/* Custom Fonts */
@font-face {
    font-family: 'Paperlogy';
    src: url('fonts/Paperlogy-3Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Paperlogy';
    src: url('fonts/Paperlogy-6SemiBold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Pretendard';
    src: url('fonts/Pretendard-Light.otf') format('opentype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

/* What We Do + Trust Strip (hero sub-section) */
.what-we-do {
    padding: 80px 0;
}

.what-title {
    font-size: 32px;
    line-height: 1.3;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin: 8px 0 12px;
    text-align: center;
}

.what-desc {
    color: rgba(255, 255, 255, 0.75);
    text-align: center;
    margin: 0 auto 28px;
    max-width: 840px;
}

.what-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.what-card {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    position: relative;
    overflow: hidden;
    transition: transform 220ms ease, background 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.what-card:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.what-card:focus-visible {
    outline: 2px solid #60a5fa;
    outline-offset: 2px;
}

.what-label {
    font-size: 18px;
    font-weight: 700;
}

.what-cta {
    margin-top: 20px;
    display: flex;
    justify-content: center;
}

@media (max-width: 1024px) {
    .what-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .what-title {
        font-size: 26px;
    }

    .what-grid {
        grid-template-columns: 1fr;
    }

    /* Vehicle LED Gallery - 모바일 반응형 */
    .vehicle-led-gallery-section {
        padding: 0 15px;
    }

    .vehicle-led-container {
        max-width: 100%;
        padding: 0 20px;
    }

    .vehicle-led-grid {
        grid-template-columns: 1fr;
        row-gap: 50px;
    }

    .vehicle-led-image {
        height: 220px;
    }

    .vehicle-led-content {
        padding: 20px;
    }

    .vehicle-led-content h3 {
        font-size: 1.125rem;
        margin-bottom: 12px;
    }

    .vehicle-led-features li {
        font-size: 0.875rem;
        padding: 5px 0;
        padding-left: 18px;
    }
}

.trust-strip {
    padding: 1px 0 18px;
    background: rgba(255, 255, 255, 0.04);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.trust-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 20px;
    align-items: center;
    justify-content: center;
}

.trust-list li {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
    position: relative;
}

.trust-list li+li {
    padding-left: 20px;
}

.trust-list li+li::before {
    content: "";
    position: absolute;
    left: 6px;
    top: 50%;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-50%);
}

/* Business Intro Section */
.business-intro {
    position: relative;
    padding: 220px 0 160px;
    background: #ffffff;
    text-align: center;
    overflow: hidden;
}

.business-kicker {
    position: absolute;
    top: 35%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: clamp(70px, 10vw, 140px);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #F1F5F9;
    margin: 0;
    z-index: 1;
    pointer-events: none;
}

.business-intro-title {
    position: relative;
    font-size: clamp(32px, 4vw, 56px);
    font-weight: normal;
    line-height: 1.4;
    color: var(--text-dark);
    letter-spacing: -0.02em;
    max-width: 1100px;
    margin: 0 auto;
    z-index: 2;
    opacity: 0;
    transform: translate3d(0, 30px, 0);
    transition: opacity 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: opacity, transform;
}

.business-intro-title.animate-in {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    will-change: auto;
}

.business-intro-title .bold-text {
    font-weight: 700;
}

@media (max-width: 768px) {
    .business-intro {
        padding: 160px 0 120px;
    }

    .business-kicker {
        font-size: clamp(60px, 15vw, 100px);
    }

    .business-intro-title {
        font-size: clamp(24px, 6vw, 36px);
    }
}

/* Business Verticals Intro */
.business-verticals-intro {
    background: #F5F7FB;
    text-align: center;
    padding: 100px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.verticals-intro-inner {
    max-width: 920px;
    width: 100%;
}

.verticals-eyebrow {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: var(--primary-color);
    margin-bottom: 20px;
    text-transform: uppercase;
    font-family: 'Noto Sans', sans-serif;
}

.verticals-title {
    font-size: clamp(42px, 4.8vw, 68px);
    font-weight: 700;
    color: #111827;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.verticals-desc {
    font-size: 18px;
    color: #4B5563;
    line-height: 1.7;
    letter-spacing: -0.01em;
    margin-bottom: 0;
}

/* Business Vertical Sections */
.business-verticals {
    display: flex;
    width: 100%;
    height: calc(100vh - var(--nav-height));
    min-height: calc(100vh - var(--nav-height));
    margin: 0;
    padding: 0;
    position: relative;
    isolation: isolate;
    --vertical-bg-default: url('images/bg/heatseat.webp');
    --vertical-bg-active: var(--vertical-bg-default);
    scroll-margin-top: var(--nav-height);
}

/* 섹션 전체를 덮는 기본 배경 */
.business-verticals::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: var(--vertical-bg-default);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 1;
    pointer-events: none;
    z-index: 0;
}

/* hover 이미지 레이어 */
.business-verticals::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: var(--vertical-bg-active);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    z-index: 1;
}

.vertical-section {
    position: relative;
    flex: 1;
    overflow: hidden;
    transition: flex 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    z-index: 2;
    border-left: 1px solid rgba(255, 255, 255, 0.25);
    display: block;
    text-decoration: none;
    color: inherit;
}

.vertical-section:hover {
    flex: 1.4 !important;
}

.vertical-section:first-child {
    border-left: none;
}

/* hover 시 활성 배경 전환 */
.business-verticals:has(.vertical-section:hover)::after,
.business-verticals:has(.vertical-section:focus-within)::after {
    opacity: 1;
}

.vertical-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.4) 0%, rgba(15, 23, 42, 0.5) 100%);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

.vertical-section:hover .vertical-overlay {
    opacity: 0.2;
}

.vertical-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0 10px;
    z-index: 3;
    width: 100%;
    word-break: keep-all;
}

.vertical-content h2 {
    font-size: clamp(28px, 3.5vw, 48px);
    font-weight: 600;
    color: #ffffff;
    text-align: center;
    margin-bottom: 32px;
    letter-spacing: -0.02em;
    line-height: 1.3;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), filter 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
    filter: blur(0);
}

.vertical-section:hover .vertical-content h2 {
    transform: translateY(-8px);
}

/* 다른 섹션 hover 시, hover되지 않은 섹션의 타이틀 흐릿하게 */
.business-verticals:has(.vertical-section:hover) .vertical-section:not(:hover) .vertical-content h2 {
    opacity: 0.3;
    filter: blur(2px);
}

.vertical-arrow {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
}

.vertical-arrow svg {
    width: 28px;
    height: 28px;
}

.vertical-section:hover .vertical-arrow {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(255, 255, 255, 0.95);
    transform: scale(1.15);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.vertical-section:hover .vertical-arrow svg {
    color: var(--primary-color);
}

.vertical-arrow:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.8);
    outline-offset: 4px;
}

/* Responsive */
@media (max-width: 1024px) {
    .business-verticals-intro {
        padding: 80px 20px;
    }

    .business-verticals {
        flex-direction: column;
        height: auto;
    }

    .vertical-section {
        min-height: 400px;
    }

    .vertical-content h2 {
        font-size: clamp(24px, 5vw, 36px);
    }
}

@media (max-width: 768px) {
    .business-verticals-intro {
        padding: 60px 20px;
    }

    .verticals-eyebrow {
        font-size: 12px;
        letter-spacing: 0.18em;
    }

    .verticals-title {
        font-size: clamp(32px, 8vw, 48px);
    }

    .verticals-desc {
        font-size: 16px;
    }

    .vertical-section {
        min-height: 350px;
    }

    .vertical-arrow {
        width: 56px;
        height: 56px;
    }

    .vertical-arrow svg {
        width: 24px;
        height: 24px;
    }
}

@media (prefers-reduced-motion: reduce) {

    .vertical-section,
    .vertical-section::before,
    .vertical-overlay,
    .vertical-content h2,
    .vertical-arrow {
        transition: none !important;
    }
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Paperlogy', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1E293B;
    background-color: #ffffff;
    font-weight: 300;
    letter-spacing: -0.01em;
}

/* Heading Styles - Use SemiBold Font */
h1,
h2,
h3,
h4,
h5,
h6,
.hero-title,
.hero-title-text,
.split-title,
.detail-title,
.about-title,
.cta-title,
.what-title,
.kicker,
.nav-menu a,
.btn-primary,
.btn-secondary,
.btn-primary-galaxy {
    font-family: 'Paperlogy', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 600;
}

/* Color Variables */
:root {
    --primary-color: #C2554D;
    --secondary-color: #D97454;
    --accent-color: #E8915B;
    --success-color: #10B981;
    --warning-color: #E8915B;
    --error-color: #C2554D;
    --text-dark: #1E293B;
    --text-light: #475569;
    --text-muted: #94A3B8;
    --white: #FFFFFF;
    --bg-light: #F8FAFC;
    --bg-dark: #000000;
    --border-color: #E2E8F0;
    --shadow-light: rgba(15, 23, 42, 0.05);
    --shadow-medium: rgba(15, 23, 42, 0.1);
    --shadow-strong: rgba(15, 23, 42, 0.15);
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, #D97454 100%);
    --nav-height: 80px;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation - Default (for all pages except home) */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

/* Home page - transparent navigation at start */
.home-page .nav {
    background: transparent;
    border-bottom: none;
    box-shadow: none;
}

/* Home page scrolled OR default pages - white background with shadow */
.home-page .nav.scrolled,
.nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* 수직 중앙 정렬 */
}

.nav-logo-img {
    height: 52px;
    width: 158px;
    /* Standardize width to prevent header layout shift (512:168 ratio) */
    transition: all 0.3s ease;
}

.nav-logo-img:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    align-items: center;
    /* 항목 수직 정렬 */
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 0;
    font-family: 'Pretendard', sans-serif;
    letter-spacing: -0.01em;
    text-shadow: none;
}

/* Home page - white text at start */
.home-page .nav-menu a {
    color: #ffffff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Home page scrolled - dark text */
.home-page .nav.scrolled .nav-menu a {
    color: var(--text-dark);
    text-shadow: none;
}

.nav-menu a.nav-cta {
    background: transparent;
    color: var(--text-dark);
    font-weight: 700;
    padding: 2px 28px 0 28px;
    height: 44px;
    border-radius: 999px;
    margin-left: 15px;
    border: 2px solid var(--text-dark);
    box-shadow: none;
    text-shadow: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* Home page - white CTA at start */
.home-page .nav-menu a.nav-cta {
    color: var(--white);
    border-color: var(--white);
}

/* Home page scrolled - dark CTA */
.home-page .nav.scrolled .nav-menu a.nav-cta {
    color: var(--text-dark);
    border-color: var(--text-dark);
}

/* CTA는 밑줄 효과 제거 */
.nav-menu a.nav-cta::after {
    content: none;
}

.nav-menu a.nav-cta:hover {
    background-color: var(--text-dark);
    color: var(--white);
    border-color: var(--text-dark);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Home page - white CTA hover at start */
.home-page .nav-menu a.nav-cta:hover {
    background-color: #ffffff;
    color: var(--text-dark);
    border-color: #ffffff;
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

/* Home page scrolled - dark CTA hover */
.home-page .nav.scrolled .nav-menu a.nav-cta:hover {
    background-color: var(--text-dark);
    color: var(--white);
    border-color: var(--text-dark);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Main menu items (회사소개, 사업분야, 설치사례 등) hover - dark black */
.nav-menu>li>a:hover:not(.nav-cta),
.nav-dropdown>a:hover {
    color: #000000 !important;
    font-weight: 700 !important;
    text-shadow: none;
}

/* Home page - white hover at start */
.home-page .nav-menu>li>a:hover:not(.nav-cta),
.home-page .nav-dropdown>a:hover {
    color: #ffffff !important;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

/* Home page scrolled - dark black hover */
.home-page .nav.scrolled .nav-menu>li>a:hover:not(.nav-cta),
.home-page .nav.scrolled .nav-dropdown>a:hover {
    color: #000000 !important;
    font-weight: 700 !important;
    text-shadow: none;
}

/* Subpages - current page link hover (orange) */
body:not(.home-page) .nav-menu a.current-page:hover:not(.nav-cta),
body:not(.home-page) .dropdown-menu a.current-page:hover {
    color: #FF8C00;
    text-shadow: none;
}

/* Removed underline hover effect */
.nav-menu a::after {
    content: none;
}

/* Home page - white underline on hover (스크롤 전에만) */
.home-page .nav-menu>li>a:not(.nav-cta)::after,
.home-page .nav-dropdown>a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #ffffff;
    transition: width 0.3s ease;
}

.home-page .nav-menu>li>a:hover:not(.nav-cta)::after,
.home-page .nav-dropdown>a:hover::after {
    width: 100%;
}

/* 스크롤 후에는 밑줄 효과 제거 */
.home-page .nav.scrolled .nav-menu>li>a:not(.nav-cta)::after,
.home-page .nav.scrolled .nav-dropdown>a::after {
    content: none;
}


/* Small spacer after fixed nav when hero is removed */
.after-nav-gap {
    height: 50px;
}


/* Nav Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown>a {
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    padding: 12px 0;
    min-width: 180px;
    display: none;
    z-index: 1100;
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 10px 16px;
    color: var(--text-dark);
    font-size: 14px;
    text-shadow: none;
}

.dropdown-menu a:hover {
    background: rgba(255, 255, 255, 0.5);
    color: var(--accent-color);
}

/* Subpages - current page link in dropdown (orange, always visible when dropdown is open) */
body:not(.home-page) .dropdown-menu a.current-page {
    color: #FF6600 !important;
    text-shadow: none !important;
    font-weight: 600;
}

body:not(.home-page) .dropdown-menu a.current-page:hover {
    background: rgba(255, 255, 255, 0.5);
    color: #FF6600 !important;
    text-shadow: none !important;
}

/* Subpages - current page link in main navigation (orange) */
body:not(.home-page) .nav-menu>li>a.current-page {
    color: #FF6600 !important;
    text-shadow: none !important;
    font-weight: 600;
}

body:not(.home-page) .nav-menu>li>a.current-page:hover {
    color: #FF6600 !important;
    text-shadow: none !important;
}

/* Subpages - dropdown parent link when child is active (orange) */
body:not(.home-page) .nav-dropdown>a.current-page {
    color: #FF6600 !important;
    text-shadow: none !important;
    font-weight: 600;
}

body:not(.home-page) .nav-dropdown>a.current-page:hover {
    color: #FF6600 !important;
    text-shadow: none !important;
}

/* Subpages - current page CTA button (orange active state) */
body:not(.home-page) .nav-menu a.nav-cta.current-page {
    background: linear-gradient(135deg, #C2410C 0%, #EA580C 100%);
    color: #ffffff !important;
    border-color: #C2410C;
    box-shadow: 0 4px 15px rgba(194, 65, 12, 0.25);
    text-shadow: none;
    position: relative;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    z-index: 1;
}

body:not(.home-page) .nav-menu a.nav-cta.current-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #DC2626 0%, #F97316 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
    border-radius: 999px;
}

body:not(.home-page) .nav-menu a.nav-cta.current-page:hover::before {
    opacity: 1;
}

body:not(.home-page) .nav-menu a.nav-cta.current-page:hover {
    color: #ffffff !important;
    border-color: #DC2626;
    box-shadow: 0 6px 20px rgba(194, 65, 12, 0.35);
}

/* Home page - dropdown menu always dark text */
.home-page .dropdown-menu a {
    color: var(--text-dark) !important;
    text-shadow: none !important;
}

.home-page .dropdown-menu a:hover {
    background: rgba(255, 255, 255, 0.5);
    color: var(--accent-color) !important;
    text-shadow: none !important;
}

.nav-dropdown:hover .dropdown-menu {
    display: block;
}

/* 회사소개 드롭다운 - 너비 줄이기 */
.nav-menu>li.nav-dropdown:first-child .dropdown-menu {
    min-width: 160px;
}

/* 사업분야 드롭다운 - 너비 늘리기 */
.nav-menu>li.nav-dropdown:nth-child(2) .dropdown-menu {
    min-width: 220px;
}

/* Nested Submenu Styles */
.nav-dropdown-item {
    position: relative;
    width: 100%;
}

.dropdown-submenu {
    position: absolute;
    top: -12px;
    /* Align with parent list spacing */
    left: 100%;
    /* Position to the right */
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    padding: 12px 0;
    min-width: 220px;
    display: none;
    z-index: 1101;
    margin-left: 5px;
}

/* Invisible bridge to prevent submenu from closing when moving mouse across gap */
.dropdown-submenu::before {
    content: "";
    position: absolute;
    top: 0;
    left: -15px;
    /* Covers the margin and slightly overlaps parent */
    width: 15px;
    height: 100%;
    background: transparent;
}

/* Ensure list items inside submenu don't inherit weird styles if any */
.dropdown-submenu li {
    list-style: none;
    position: relative;
}

.dropdown-submenu a {
    display: block;
    padding: 10px 16px;
    color: var(--text-dark) !important;
    font-size: 14px;
    text-shadow: none !important;
    text-decoration: none;
    white-space: nowrap;
}

.dropdown-submenu a:hover {
    background: rgba(255, 255, 255, 0.5);
    color: var(--accent-color) !important;
    font-weight: 600;
}

/* Force black for nested submenu even if it's the current page (high specificity required) */
body:not(.home-page) .dropdown-menu .dropdown-submenu a.current-page {
    color: var(--text-dark) !important;
    font-weight: 500;
}

/* Ensure hover still works over current-page state */
body .dropdown-menu .dropdown-submenu a.current-page:hover {
    color: var(--accent-color) !important;
}

/* Home page and other cases - allow orange on hover */
.home-page .dropdown-submenu a:hover {
    color: var(--accent-color) !important;
}

/* Arrow indicator for items with submenu */
.has-submenu {
    display: flex !important;
    justify-content: space-between;
    align-items: center;
}

.has-submenu::after {
    content: "›";
    font-size: 18px;
    line-height: 1;
    color: inherit;
    margin-left: 8px;
    font-weight: 400;
}

/* Show submenu on hover */
.nav-dropdown-item:hover>.dropdown-submenu {
    display: block;
    animation: fadeInSubmenu 0.2s ease-out;
}

@keyframes fadeInSubmenu {
    from {
        opacity: 0;
        transform: translateX(-5px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}


/* Hero Section */
.hero {
    background: #0a0e1a;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(59, 130, 246, 0.2) 0%, transparent 50%),
        linear-gradient(180deg, rgba(10, 14, 26, 0.9) 0%, rgba(10, 14, 26, 1) 100%);
    width: 100%;
    height: 100vh;
    position: relative;
    z-index: 1;
    margin-top: 0;
    overflow: hidden;
    transform-style: preserve-3d;
}

/* Hero Background Video */
.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 25%;
    z-index: 1;
    opacity: 0.01;
    /* 사파리 호환: 완전히 0이면 "보이지 않는 비디오"로 인식하여 pause시킴 */
    filter: brightness(0);
    transition: opacity 2s ease-in-out, filter 2s ease-in-out;
}

.hero-video.fade-in {
    opacity: 1;
    filter: brightness(1);
}

/* LED Lights Container */
.led-lights-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    perspective: 800px;
    perspective-origin: center center;
    transform-style: preserve-3d;
}

/* Individual LED Lines */
.led-line-stream {
    position: absolute;
    width: 3px;
    height: 150%;
    top: 50%;
    left: calc(50% + var(--offset, 0px));
    transform-origin: center;
    transform: translateX(calc(-50% + var(--offset, 0px))) translateZ(var(--z-depth, -500px)) scale(var(--scale, 1)) rotateX(var(--rotation, 0deg));
    animation: ledStreamFlow var(--duration, 4s) var(--timing, linear) infinite;
    opacity: 0.6;
    filter: blur(1px);
}

/* Create curved tunnel effect */
.led-lights-container .led-line-stream:nth-child(odd) {
    --z-depth: -400px;
}

.led-lights-container .led-line-stream:nth-child(even) {
    --z-depth: -600px;
}

/* Horizontal positioning for dense lines - PERFECT SYMMETRIC SPREAD */
.led-lights-container .led-line-stream:nth-child(1) {
    --offset: -380px;
    --scale: 0.2;
    --rotation: 0deg;
}

.led-lights-container .led-line-stream:nth-child(2) {
    --offset: -350px;
    --scale: 0.25;
    --rotation: 0deg;
}

.led-lights-container .led-line-stream:nth-child(3) {
    --offset: -320px;
    --scale: 0.3;
    --rotation: 0deg;
}

.led-lights-container .led-line-stream:nth-child(4) {
    --offset: -290px;
    --scale: 0.35;
    --rotation: 0deg;
}

.led-lights-container .led-line-stream:nth-child(5) {
    --offset: -260px;
    --scale: 0.4;
    --rotation: 0deg;
}

.led-lights-container .led-line-stream:nth-child(6) {
    --offset: -230px;
    --scale: 0.45;
    --rotation: 0deg;
}

.led-lights-container .led-line-stream:nth-child(7) {
    --offset: -200px;
    --scale: 0.5;
    --rotation: 0deg;
    animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
}

.led-lights-container .led-line-stream:nth-child(8) {
    --offset: -170px;
    --scale: 0.55;
    --rotation: 0deg;
    animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
}

.led-lights-container .led-line-stream:nth-child(9) {
    --offset: -140px;
    --scale: 0.6;
    --rotation: 0deg;
    animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
}

.led-lights-container .led-line-stream:nth-child(10) {
    --offset: -110px;
    --scale: 0.65;
    --rotation: 0deg;
    animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
}

.led-lights-container .led-line-stream:nth-child(11) {
    --offset: -80px;
    --scale: 0.7;
    --rotation: 0deg;
    animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
}

.led-lights-container .led-line-stream:nth-child(12) {
    --offset: -50px;
    --scale: 0.8;
    --rotation: 0deg;
    animation: ledStreamFlowShort var(--duration, 4s) var(--timing, linear) infinite;
}

.led-lights-container .led-line-stream:nth-child(13) {
    --offset: 0px;
    --scale: 0.9;
    --rotation: 0deg;
    animation: ledStreamFlowShort var(--duration, 4s) var(--timing, linear) infinite;
}

.led-lights-container .led-line-stream:nth-child(14) {
    --offset: 50px;
    --scale: 0.8;
    --rotation: 0deg;
    animation: ledStreamFlowShort var(--duration, 4s) var(--timing, linear) infinite;
}

.led-lights-container .led-line-stream:nth-child(15) {
    --offset: 80px;
    --scale: 0.7;
    --rotation: 0deg;
    animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
}

.led-lights-container .led-line-stream:nth-child(16) {
    --offset: 110px;
    --scale: 0.65;
    --rotation: 0deg;
    animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
}

.led-lights-container .led-line-stream:nth-child(17) {
    --offset: 140px;
    --scale: 0.6;
    --rotation: 0deg;
    animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
}

.led-lights-container .led-line-stream:nth-child(18) {
    --offset: 170px;
    --scale: 0.55;
    --rotation: 0deg;
    animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
}

.led-lights-container .led-line-stream:nth-child(19) {
    --offset: 200px;
    --scale: 0.5;
    --rotation: 0deg;
    animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
}

.led-lights-container .led-line-stream:nth-child(20) {
    --offset: 380px;
    --scale: 0.2;
    --rotation: 0deg;
}

.led-lights-container .led-line-stream:nth-child(21) {
    --offset: -450px;
    --scale: 0.15;
    --rotation: 0deg;
}

.led-lights-container .led-line-stream:nth-child(22) {
    --offset: -420px;
    --scale: 0.18;
    --rotation: 0deg;
}

.led-lights-container .led-line-stream:nth-child(23) {
    --offset: 420px;
    --scale: 0.18;
    --rotation: 0deg;
}

.led-lights-container .led-line-stream:nth-child(24) {
    --offset: 450px;
    --scale: 0.15;
    --rotation: 0deg;
}

.led-lights-container .led-line-stream:nth-child(25) {
    --offset: 480px;
    --scale: 0.12;
    --rotation: 0deg;
}

.led-lights-container .led-line-stream:nth-child(26) {
    --offset: 510px;
    --scale: 0.1;
    --rotation: 0deg;
}

/* Randomize animation duration for LED streams */
.led-line-stream:nth-child(1) {
    --duration: 2.8s;
}

.led-line-stream:nth-child(2) {
    --duration: 3.1s;
}

.led-line-stream:nth-child(3) {
    --duration: 2.9s;
}

.led-line-stream:nth-child(4) {
    --duration: 3.3s;
}

.led-line-stream:nth-child(5) {
    --duration: 2.7s;
}

.led-line-stream:nth-child(6) {
    --duration: 3.2s;
}

.led-line-stream:nth-child(7) {
    --duration: 2.6s;
}

.led-line-stream:nth-child(8) {
    --duration: 3.4s;
}

.led-line-stream:nth-child(9) {
    --duration: 2.5s;
}

.led-line-stream:nth-child(10) {
    --duration: 3.0s;
}

.led-line-stream:nth-child(11) {
    --duration: 2.8s;
}

.led-line-stream:nth-child(12) {
    --duration: 3.1s;
}

.led-line-stream:nth-child(13) {
    --duration: 2.9s;
}

.led-line-stream:nth-child(14) {
    --duration: 3.3s;
}

.led-line-stream:nth-child(15) {
    --duration: 2.7s;
}

.led-line-stream:nth-child(16) {
    --duration: 3.2s;
}

.led-line-stream:nth-child(17) {
    --duration: 2.6s;
}

.led-line-stream:nth-child(18) {
    --duration: 3.4s;
}

.led-line-stream:nth-child(19) {
    --duration: 2.5s;
}

.led-line-stream:nth-child(20) {
    --duration: 3.0s;
}

.led-line-stream:nth-child(21) {
    --duration: 2.9s;
}

.led-line-stream:nth-child(22) {
    --duration: 3.2s;
}

.led-line-stream:nth-child(23) {
    --duration: 2.7s;
}

.led-line-stream:nth-child(24) {
    --duration: 3.3s;
}

.led-line-stream:nth-child(25) {
    --duration: 2.8s;
}

.led-line-stream:nth-child(26) {
    --duration: 3.1s;
}

/* Blue LED Stream Lines */
.led-line-stream[data-color="blue"] {
    background: linear-gradient(to bottom,
            transparent 0%,
            rgba(59, 130, 246, 0.5) 5%,
            rgba(59, 130, 246, 0.9) 10%,
            rgba(96, 165, 250, 1) 15%,
            rgba(147, 197, 253, 1) 25%,
            rgba(191, 219, 254, 1) 35%,
            rgba(239, 246, 255, 1) 45%,
            rgba(191, 219, 254, 1) 55%,
            rgba(147, 197, 253, 1) 65%,
            rgba(96, 165, 250, 1) 75%,
            rgba(59, 130, 246, 0.9) 85%,
            rgba(59, 130, 246, 0.5) 95%,
            transparent 100%);
    box-shadow:
        0 0 10px rgba(59, 130, 246, 0.9),
        0 0 30px rgba(96, 165, 250, 0.6),
        0 0 50px rgba(147, 197, 253, 0.4),
        0 0 70px rgba(191, 219, 254, 0.2);
    animation: ledStreamFlow var(--duration, 3s) linear infinite,
        ledGlowBlue 2s ease-in-out infinite alternate;
}

/* Green LED Stream Lines */
.led-line-stream[data-color="green"] {
    background: linear-gradient(to bottom,
            transparent 0%,
            rgba(34, 197, 94, 0.5) 5%,
            rgba(34, 197, 94, 0.9) 10%,
            rgba(74, 222, 128, 1) 15%,
            rgba(134, 239, 172, 1) 25%,
            rgba(187, 247, 208, 1) 35%,
            rgba(240, 253, 244, 1) 45%,
            rgba(187, 247, 208, 1) 55%,
            rgba(134, 239, 172, 1) 65%,
            rgba(74, 222, 128, 1) 75%,
            rgba(34, 197, 94, 0.9) 85%,
            rgba(34, 197, 94, 0.5) 95%,
            transparent 100%);
    box-shadow:
        0 0 10px rgba(34, 197, 94, 0.9),
        0 0 30px rgba(74, 222, 128, 0.6),
        0 0 50px rgba(134, 239, 172, 0.4),
        0 0 70px rgba(187, 247, 208, 0.2);
    animation: ledStreamFlow var(--duration, 3s) linear infinite,
        ledGlowGreen 2s ease-in-out infinite alternate;
}

/* Orange LED Stream Lines */
.led-line-stream[data-color="orange"] {
    background: linear-gradient(to bottom,
            transparent 0%,
            rgba(249, 115, 22, 0.5) 5%,
            rgba(249, 115, 22, 0.9) 10%,
            rgba(251, 146, 60, 1) 15%,
            rgba(253, 186, 116, 1) 25%,
            rgba(254, 215, 170, 1) 35%,
            rgba(255, 247, 237, 1) 45%,
            rgba(254, 215, 170, 1) 55%,
            rgba(253, 186, 116, 1) 65%,
            rgba(251, 146, 60, 1) 75%,
            rgba(249, 115, 22, 0.9) 85%,
            rgba(249, 115, 22, 0.5) 95%,
            transparent 100%);
    box-shadow:
        0 0 10px rgba(249, 115, 22, 0.9),
        0 0 30px rgba(251, 146, 60, 0.6),
        0 0 50px rgba(253, 186, 116, 0.4),
        0 0 70px rgba(254, 215, 170, 0.2);
    animation: ledStreamFlow var(--duration, 3s) linear infinite,
        ledGlowOrange 2s ease-in-out infinite alternate;
}


/* LED Stream Flow Animation - Creating tunnel effect */
@keyframes ledStreamFlow {
    0% {
        transform: translateX(calc(-50% + var(--offset, 0px))) translateY(60vh) translateZ(var(--z-depth, -500px)) scale(var(--scale, 1)) rotateX(var(--rotation, 0deg));
        opacity: 0;
    }

    15% {
        opacity: 0.9;
    }

    85% {
        opacity: 0.9;
    }

    100% {
        transform: translateX(calc(-50% + var(--offset, 0px))) translateY(-100vh) translateZ(var(--z-depth, -500px)) scale(calc(var(--scale, 1) * 1.5)) rotateX(var(--rotation, 0deg));
        opacity: 0;
    }
}

/* LED Stream Flow Animation - Short version for center lines (to -30vh) */
@keyframes ledStreamFlowShort {
    0% {
        transform: translateX(calc(-50% + var(--offset, 0px))) translateY(60vh) translateZ(var(--z-depth, -500px)) scale(var(--scale, 1)) rotateX(var(--rotation, 0deg));
        opacity: 0;
    }

    15% {
        opacity: 0.9;
    }

    85% {
        opacity: 0.9;
    }

    100% {
        transform: translateX(calc(-50% + var(--offset, 0px))) translateY(-30vh) translateZ(var(--z-depth, -500px)) scale(calc(var(--scale, 1) * 1.2)) rotateX(var(--rotation, 0deg));
        opacity: 0;
    }
}

/* LED Stream Flow Animation - Medium version for 200px range (to -30vh) */
@keyframes ledStreamFlowMedium {
    0% {
        transform: translateX(calc(-50% + var(--offset, 0px))) translateY(60vh) translateZ(var(--z-depth, -500px)) scale(var(--scale, 1)) rotateX(var(--rotation, 0deg));
        opacity: 0;
    }

    15% {
        opacity: 0.9;
    }

    85% {
        opacity: 0.9;
    }

    100% {
        transform: translateX(calc(-50% + var(--offset, 0px))) translateY(-30vh) translateZ(var(--z-depth, -500px)) scale(calc(var(--scale, 1) * 1.2)) rotateX(var(--rotation, 0deg));
        opacity: 0;
    }
}

/* LED Pulse Animation - Random brightness variation */
@keyframes ledPulse {

    0%,
    100% {
        opacity: 0.7;
        filter: brightness(1) blur(1px);
    }

    25% {
        opacity: 1;
        filter: brightness(1.5) blur(0.5px);
    }

    50% {
        opacity: 0.6;
        filter: brightness(0.8) blur(1.5px);
    }

    75% {
        opacity: 0.95;
        filter: brightness(1.2) blur(0.8px);
    }
}

/* LED Glow Animations for Different Colors */
@keyframes ledGlowBlue {

    0%,
    100% {
        box-shadow:
            0 0 10px rgba(59, 130, 246, 0.9),
            0 0 30px rgba(96, 165, 250, 0.6),
            0 0 50px rgba(147, 197, 253, 0.4),
            0 0 70px rgba(191, 219, 254, 0.2);
    }

    50% {
        box-shadow:
            0 0 15px rgba(59, 130, 246, 1),
            0 0 40px rgba(96, 165, 250, 0.8),
            0 0 65px rgba(147, 197, 253, 0.6),
            0 0 90px rgba(191, 219, 254, 0.4);
    }
}

@keyframes ledGlowGreen {

    0%,
    100% {
        box-shadow:
            0 0 10px rgba(34, 197, 143, 0.9),
            0 0 30px rgba(74, 222, 192, 0.6),
            0 0 50px rgba(134, 239, 172, 0.4),
            0 0 70px rgba(187, 247, 208, 0.2);
    }

    50% {
        box-shadow:
            0 0 15px rgb(37, 202, 224),
            0 0 40px rgba(79, 214, 207, 0.8),
            0 0 65px rgba(134, 239, 172, 0.6),
            0 0 90px rgba(187, 247, 208, 0.4);
    }
}

@keyframes ledGlowOrange {

    0%,
    100% {
        box-shadow:
            0 0 10px rgba(249, 115, 22, 0.9),
            0 0 30px rgba(251, 146, 60, 0.6),
            0 0 50px rgba(253, 186, 116, 0.4),
            0 0 70px rgba(254, 215, 170, 0.2);
    }

    50% {
        box-shadow:
            0 0 15px rgba(249, 115, 22, 1),
            0 0 40px rgba(251, 146, 60, 0.8),
            0 0 65px rgba(253, 186, 116, 0.6),
            0 0 90px rgba(254, 215, 170, 0.4);
    }
}


/* Alternate intensity for LED streams */
.led-lights-container .led-line-stream:nth-child(odd) {
    animation-delay: calc(var(--index) * 0.05s);
}

.led-lights-container .led-line-stream:nth-child(even) {
    animation-delay: calc(var(--index) * 0.07s);
}


/* Animated Light Sweep Effect */
.hero-light-sweep {
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
    transform: translateX(-50%) rotate(15deg);
    animation: lightSweep 4s ease-in-out infinite;
    pointer-events: none;
    filter: blur(60px);
}

@keyframes lightSweep {

    0%,
    100% {
        left: -100%;
    }

    50% {
        left: 100%;
    }
}

/* Radial Light Effect */
.hero-light-radial {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
    animation: pulse 6s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

/* Spotlight Effects - Beams of light from bottom corners */
.hero-spotlight-left {
    position: absolute;
    bottom: 0;
    left: 0px;
    width: 50%;
    height: 60%;
    background:
        linear-gradient(135deg,
            transparent 45%,
            rgba(255, 255, 255, 0.2) 48%,
            rgba(255, 255, 255, 0.8) 50%,
            rgba(255, 255, 255, 0.9) 52%,
            rgba(255, 255, 255, 0.8) 55%,
            rgba(255, 255, 255, 0.2) 58%,
            transparent 62%);
    pointer-events: none;
    z-index: 2;
    filter: blur(80px);
    opacity: 0.7;
}

.hero-spotlight-right {
    position: absolute;
    bottom: 0;
    right: 0px;
    width: 50%;
    height: 60%;
    background:
        linear-gradient(45deg,
            transparent 45%,
            rgba(255, 255, 255, 0.2) 48%,
            rgba(255, 255, 255, 0.8) 50%,
            rgba(255, 255, 255, 0.9) 52%,
            rgba(255, 255, 255, 0.8) 55%,
            rgba(255, 255, 255, 0.2) 58%,
            transparent 62%);
    pointer-events: none;
    z-index: 2;
    filter: blur(80px);
    opacity: 0.7;
}

@keyframes spotlightPulse {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }
}

/* Hero Content Wrapper */
.hero-content-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

/* Hero Text Styling */
.hero-text {
    text-align: center;
    max-width: 1100px;
    padding: 3rem 4rem;
    margin: 0 auto;
    width: 100%;
    position: relative;
}

.hero-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(3.5px);
    -webkit-backdrop-filter: blur(3.5px);
    border-radius: 20px;
    z-index: -1;
}

.hero-title-text {
    font-size: 4.5rem;
    font-weight: 400;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.9) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-shadow: none;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1)) drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
    font-family: 'Montserrat', sans-serif;
    white-space: normal;
    text-align: center;
    width: 100%;
    max-width: 100%;
    position: relative;
    animation: fadeInUp 0.8s ease-out;
    font-feature-settings: 'liga' off;
    text-transform: none;
}

/* Future fade-in animation */
.hero-title-text .future-fade-in {
    opacity: 0;
    animation: futureFadeIn 0.3s ease-in 0.9s forwards;
    /* Override parent's transparent text fill to ensure visibility */
    -webkit-text-fill-color: #ffffff;
    color: #ffffff;
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
    /* Apply Quintessential font */
    font-family: 'Quintessential', cursive;
}

@keyframes futureFadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Rotating Text (hero main text) */
.text-rotate {
    display: inline-flex;
    flex-wrap: wrap;
    white-space: pre-wrap;
    position: relative;
    gap: 0px;
}

.text-rotate-word {
    display: inline-flex;
    overflow: hidden;
}

.text-rotate-element {
    display: inline-block;
    opacity: 0;
    will-change: opacity;
}

.text-rotate-space {
    white-space: pre;
}

/* Enter/exit animations (simple fade in/out) */
.text-rotate-enter {
    opacity: 0;
}

.text-rotate-enter-active {
    opacity: 1;
    transition: opacity 600ms ease-in-out;
}

.text-rotate-exit {
    opacity: 1;
}

.text-rotate-exit-active {
    opacity: 0;
    transition: opacity 500ms ease-in-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Typing Effect Styles */
.typing-text {
    display: inline-block;
    white-space: pre-wrap;
    /* allow \n to render as line breaks */
}

.typing-cursor {
    margin-left: 0.25rem;
    display: inline-block;
    opacity: 1;
    animation: blinkCursor 0.5s ease-in-out infinite;
}

@keyframes blinkCursor {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.hero-title-text .typing-text,
.hero-title-text .typing-cursor {
    /* Override gradient title's transparent fill */
    -webkit-text-fill-color: #ffffff;
    color: #ffffff;
    background: none;
}

/* Ensure rotating text is visible over gradient title */
.hero-title-text .text-rotate,
.hero-title-text .text-rotate * {
    -webkit-text-fill-color: #ffffff;
    color: #ffffff;
    background: none;
}

.hero-subtitle-text {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.5rem;
    line-height: 1.6;
    font-weight: 400;
    text-align: center;
    width: 100%;
    animation: fadeInUp 1s ease-out 0.2s both;
}

/* Subtle white glow around hero buttons */
.hero .hero-buttons .btn-secondary,
.hero .hero-buttons .btn-primary-galaxy {
    box-shadow: 0 0 22px rgba(255, 255, 255, 0.22);
    transition: box-shadow 0.35s ease;
}

.hero .hero-buttons .btn-secondary:hover,
.hero .hero-buttons .btn-primary-galaxy:hover {
    box-shadow: 0 0 48px rgba(255, 255, 255, 0.60), 0 0 72px rgba(255, 255, 255, 0.35);
}

/* Keep '사례 보기' (.btn-secondary) colors the same on hover within hero */
.hero .hero-buttons .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.95);
    color: #1E293B;
    backdrop-filter: blur(10px);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    font-family: 'Noto Sans', sans-serif;
    animation: bounceIndicator 2s ease-in-out infinite;
    pointer-events: none;
}

.scroll-indicator span {
    display: block;
    margin-bottom: 8px;
}

@keyframes bounceIndicator {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

/* Responsive Hero Styles */
@media (max-width: 1024px) {
    .hero-title-text {
        font-size: 3.5rem;
    }

    .hero-subtitle-text {
        font-size: 1.25rem;
    }
}

@media (max-width: 768px) {
    .hero-title-text {
        font-size: 2.2rem;
        white-space: normal;
    }

    .hero-subtitle-text {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 280px;
    }

    /* LED Streams adjustments for mobile */
    .led-line-stream {
        width: 2px;
        filter: blur(0.8px);
    }

    /* Adjust symmetric wide spread for mobile */
    .led-lights-container .led-line-stream:nth-child(1) {
        --offset: -220px;
    }

    .led-lights-container .led-line-stream:nth-child(2) {
        --offset: -200px;
    }

    .led-lights-container .led-line-stream:nth-child(3) {
        --offset: -180px;
    }

    .led-lights-container .led-line-stream:nth-child(4) {
        --offset: -160px;
    }

    .led-lights-container .led-line-stream:nth-child(5) {
        --offset: -140px;
    }

    .led-lights-container .led-line-stream:nth-child(6) {
        --offset: -120px;
    }

    .led-lights-container .led-line-stream:nth-child(7) {
        --offset: -100px;
        animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
    }

    .led-lights-container .led-line-stream:nth-child(8) {
        --offset: -80px;
        animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
    }

    .led-lights-container .led-line-stream:nth-child(9) {
        --offset: -60px;
        animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
    }

    .led-lights-container .led-line-stream:nth-child(10) {
        --offset: -40px;
        animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
    }

    .led-lights-container .led-line-stream:nth-child(11) {
        --offset: -20px;
        animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
    }

    .led-lights-container .led-line-stream:nth-child(12) {
        --offset: -10px;
        animation: ledStreamFlowShort var(--duration, 4s) var(--timing, linear) infinite;
    }

    .led-lights-container .led-line-stream:nth-child(13) {
        --offset: 0px;
        animation: ledStreamFlowShort var(--duration, 4s) var(--timing, linear) infinite;
    }

    .led-lights-container .led-line-stream:nth-child(14) {
        --offset: 10px;
        animation: ledStreamFlowShort var(--duration, 4s) var(--timing, linear) infinite;
    }

    .led-lights-container .led-line-stream:nth-child(15) {
        --offset: 20px;
        animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
    }

    .led-lights-container .led-line-stream:nth-child(16) {
        --offset: 40px;
        animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
    }

    .led-lights-container .led-line-stream:nth-child(17) {
        --offset: 60px;
        animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
    }

    .led-lights-container .led-line-stream:nth-child(18) {
        --offset: 80px;
        animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
    }

    .led-lights-container .led-line-stream:nth-child(19) {
        --offset: 100px;
        animation: ledStreamFlowMedium var(--duration, 4s) var(--timing, linear) infinite;
    }

    .led-lights-container .led-line-stream:nth-child(20) {
        --offset: 120px;
    }

    .led-lights-container .led-line-stream:nth-child(21) {
        --offset: -140px;
    }

    .led-lights-container .led-line-stream:nth-child(22) {
        --offset: -130px;
    }

    .led-lights-container .led-line-stream:nth-child(23) {
        --offset: 130px;
    }

    .led-lights-container .led-line-stream:nth-child(24) {
        --offset: 140px;
    }

    .led-lights-container .led-line-stream:nth-child(25) {
        --offset: 150px;
    }

    .led-lights-container .led-line-stream:nth-child(26) {
        --offset: 160px;
    }

    .led-line-stream[data-color="blue"] {
        box-shadow:
            0 0 8px rgba(59, 130, 246, 0.8),
            0 0 20px rgba(96, 165, 250, 0.5);
    }
}

.hero-container {
    max-width: 1400px !important;
    margin: 0 auto !important;
    padding: 0 2rem !important;
    display: grid !important;
    grid-template-columns: 1.2fr 0.8fr !important;
    gap: 3rem !important;
    align-items: center !important;
    min-height: 80vh !important;
    z-index: 2 !important;
    position: relative !important;
}

/* 기존 hero-animation-area - 사용 안함 */

.hero-animation-only .hero-animation {
    width: 1700px;
    /* 1480px에서 15% 더 증가 (1480 * 1.15 = 1702) */
    height: auto;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    position: relative;
    transform: scale(1);
    /* hover 효과 제거 */
    transition: none;
    /* hover 전환 효과 제거 */
    margin: 0 auto;
    padding: 0;
    margin-top: 0;
    /* 5px에서 0으로 상단 위치 올림 */
}

.hero-animation-only .hero-animation:hover {
    transform: none;
    /* hover 효과 완전 제거 */
}

.hero-animation-only .hero-animation lottie-player {
    filter: drop-shadow(0 30px 60px rgba(194, 85, 77, 0.2));
    transition: all 0.4s ease;
    border-radius: 30px;
    margin: 0;
    padding: 0;
    display: block;
    height: 800px !important;
    /* 높이 700px에서 800px로 더 증가 */
    width: 100% !important;
    max-width: 1700px;
    /* 너비 증가에 맞춰 조정 */
}

/* 힙한 오버레이 텍스트 */
.hero-overlay-text {
    position: absolute;
    top: calc(50% + 20px);
    left: 50%;
    transform: translate(-50%, -25%);
    text-align: center;
    z-index: 20;
    pointer-events: none;
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.hero-main-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: #0f172a;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1.25;
    letter-spacing: -0.02em;
    position: relative;
    white-space: nowrap;
    display: inline-block;
    text-shadow: none;
    -webkit-text-stroke: 1px #ffffff;
}

/* 브랜드명 강조 (절제된 포인트) */
.hero-brand {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 900;
    letter-spacing: -0.01em;
    position: relative;
}

.hero-brand::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -4px;
    height: 3px;
    background: linear-gradient(90deg, rgba(194, 85, 77, 0.25), rgba(217, 116, 84, 0.25));
    border-radius: 999px;
}





/* 오른쪽: 텍스트 + 버튼 영역 */
.hero-content {
    text-align: left;
    padding: 0.5rem 0;
    max-width: 500px;
    margin-left: auto;
    align-self: start;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.highlight {
    background: linear-gradient(135deg, #C2554D, #D97454);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #5a6c7d;
    margin-bottom: 2rem;
    font-weight: 400;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    animation: fadeInUp 1.2s ease-out 0.4s both;
}

.hero-buttons a {
    min-width: 150px;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary,
.btn-secondary {
    padding: 14px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-block;
    font-family: 'Noto Sans', sans-serif;
}

.btn-primary {
    background: rgba(255, 255, 255, 0.95);
    color: #1E293B;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15), 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2), 0 3px 10px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.95);
    color: #1E293B;
    border: none;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15), 0 2px 8px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    /* 심플한 회색 계열로 변경 (가시성 향상) */
    background: #9ca3af;
    /* gray-400 */
    color: #111827;
    /* gray-900 */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15), 0 2px 8px rgba(0, 0, 0, 0.1);
    backdrop-filter: none;
    /* 유리효과 제거로 색 차이 명확 */
}



/* Section Styles */
section {
    padding: 80px 0;
}

/* Hero Section - 기본 section 패딩 무효화 */
section#hero.hero-animation-only {
    margin: 0 !important;
    border: 0 !important;
}

/* About Section - 기술력 통계 오른쪽 배치 */
.tech-stats-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem;
    background: rgba(194, 85, 77, 0.05);
    border-radius: 20px;
    margin-top: 2rem;
}

.tech-stats-section h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 2rem;
}

.tech-stats-section .tech-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
    width: 100%;
    max-width: 400px;
}

.tech-stats-section .tech-stat {
    background: #ffffff;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(194, 85, 77, 0.1);
    transition: transform 0.3s ease;
}

.tech-stats-section .tech-stat:hover {
    transform: translateY(-5px);
}

.tech-stats-section .tech-number {
    font-size: 2rem;
    font-weight: 800;
    color: #C2554D;
    margin-bottom: 0.5rem;
}

.tech-stats-section .tech-label {
    font-size: 0.9rem;
    color: #5a6c7d;
    font-weight: 600;
}

.tech-stats-section .company-logo {
    margin-top: 1rem;
}

.tech-stats-section .company-image {
    max-width: 300px;
    /* 150px에서 200px로 확대 */
    height: auto;
    opacity: 0.8;
}

/* Technology Features Section */
.tech-features-section {
    background-color: #ffffff;
}

.tech-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tech-features-grid .tech-feature {
    background: #ffffff;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.tech-features-grid .tech-feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(194, 85, 77, 0.15);
}

.tech-feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.tech-features-grid .tech-feature h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.tech-features-grid .tech-feature p {
    color: #5a6c7d;
    line-height: 1.6;
}

/* 모바일 반응형 */
@media (max-width: 768px) {
    .tech-stats-section .tech-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }

    .tech-stats-section .tech-stat {
        padding: 1rem;
    }

    .tech-stats-section .tech-number {
        font-size: 1.5rem;
    }

    .tech-stats-section .company-image {
        max-width: 120px;
        /* 모바일에서도 적절한 크기 */
    }

    .tech-features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    font-family: 'Pretendard', sans-serif;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
    font-family: 'Pretendard', sans-serif;
    font-weight: 400;
    letter-spacing: -0.01em;
    line-height: 1.5;
}

/* Global kicker label */
.kicker {
    color: var(--primary-color);
    font-weight: 800;
    letter-spacing: 0.08em;
    font-size: 16px;
    text-transform: uppercase;
    margin-bottom: 8px;
    font-family: 'Noto Sans', sans-serif;
}

/* 하단: 통계 컨테이너 */
.hero-stats-container {
    max-width: 1400px !important;
    margin: 0 auto !important;
    padding: 4rem 2rem 2rem 2rem !important;
    position: relative !important;
    z-index: 2 !important;
    width: 100% !important;
    display: block !important;
}

/* Hero Stats */
.hero-stats {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 2rem !important;
    text-align: center !important;
    max-width: 800px !important;
    margin: 0 auto !important;
    width: 100% !important;
}

.hero-stats .stat-item {
    background: rgba(255, 255, 255, 0.95);
    padding: 2.5rem 1.5rem;
    border-radius: 24px;
    box-shadow:
        0 20px 40px rgba(194, 85, 77, 0.1),
        0 8px 16px rgba(194, 85, 77, 0.05);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(194, 85, 77, 0.2);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    /* 떨림 방지: 고정 크기 설정 */
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero-stats .stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #C2554D 0%, #D97454 50%, #E8915B 100%);
    border-radius: 24px 24px 0 0;
}

.hero-stats .stat-item::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(194, 85, 77, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.4s ease;
    z-index: 1;
}

.hero-stats .stat-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow:
        0 25px 50px rgba(194, 85, 77, 0.2),
        0 12px 24px rgba(194, 85, 77, 0.1);
    border-color: rgba(194, 85, 77, 0.4);
}

.hero-stats .stat-item:hover::after {
    width: 120px;
    height: 120px;
}

.hero-stats .stat-item:hover .stat-number {
    transform: scale(1.05);
    text-shadow: 0 4px 12px rgba(194, 85, 77, 0.3);
}

.hero-stats .stat-item:hover .stat-label {
    color: #2c3e50;
    transform: translateY(-2px);
}

.hero-stats .stat-number {
    /* 떨림 방지: 고정 크기와 중앙 정렬 */
    font-size: 2.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #C2554D 0%, #D97454 50%, #E8915B 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.8rem;
    font-family: 'Space Grotesk', 'Pretendard', sans-serif;
    letter-spacing: -0.02em;
    position: relative;
    z-index: 2;
    /* 떨림 완전 방지 */
    min-width: 120px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 60px;
    text-shadow: 0 2px 8px rgba(194, 85, 77, 0.2);
}

.hero-stats .stat-label {
    font-size: 1.1rem;
    color: #34495e;
    font-weight: 600;
    font-family: 'Pretendard', sans-serif;
    letter-spacing: -0.01em;
    position: relative;
    z-index: 2;
    /* 떨림 방지 */
    min-height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

/* 모바일 반응형 */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
        padding: 0 1rem;
        min-height: auto;
    }

    .hero-animation-area {
        min-height: 300px;
        order: 1;
    }

    .hero-animation {
        width: 300px;
        height: 300px;
    }

    .hero-content {
        order: 2;
        text-align: center;
        padding: 1rem 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats-container {
        padding: 3rem 1rem 1rem 1rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        max-width: 400px;
    }

    .hero-stats .stat-item {
        min-height: 120px;
        padding: 2rem 1rem;
    }

    .hero-stats .stat-number {
        font-size: 2.4rem;
        min-width: 100px;
        height: 50px;
    }

    .hero-stats .stat-label {
        font-size: 1rem;
    }
}

/* 태블릿 반응형 */
@media (max-width: 1024px) and (min-width: 769px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
        min-height: auto;
    }

    .hero-animation-area {
        min-height: 350px;
        order: 1;
    }

    /* .hero-animation - 기존 CSS 비활성화 (hero-animation-only와 충돌) */
    /* .hero-animation {
        width: 350px;
        height: 350px;
    } */

    .hero-content {
        order: 2;
        text-align: center;
        padding: 1.5rem 0;
    }

    .hero-stats-container {
        padding: 3rem 2rem 2rem 2rem;
    }

    .hero-stats {
        max-width: 600px;
    }

    .hero-stats .stat-item {
        padding: 2rem 1rem;
    }

    .hero-stats .stat-number {
        font-size: 2.6rem;
        min-width: 110px;
        height: 55px;
    }
}

/* 대형 화면 최적화 */
@media (min-width: 1440px) {
    .hero-animation-only {
        padding-top: 50px;
        /* 70px에서 50px로 줄임 */
        padding-bottom: 2rem;
        min-height: auto;
    }

    .hero-animation-only .hero-animation {
        width: 1955px;
        /* 1700px에서 15% 더 증가 (1700 * 1.15 = 1955) */
        height: auto;
        margin-top: 0;
        /* 상단 위치 올림 */
    }

    .hero-main-title {
        font-size: 4rem;
        padding: 0 !important;
    }

    .hero-animation-only .hero-animation lottie-player {
        height: 800px !important;
        /* 대형 화면 높이 더 증가 */
        max-width: 1955px;
    }
}

/* Hero Section 강제 적용 */
section#hero .hero-container {
    display: grid !important;
    grid-template-columns: 1.2fr 0.8fr !important;
    grid-template-rows: auto !important;
}

section#hero .hero-stats-container {
    grid-column: 1 / -1 !important;
    width: 100% !important;
    display: block !important;
}

section#hero .hero-stats {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    max-width: 800px !important;
    margin: 0 auto !important;
}

/* 애니메이션만 있는 초간단 Hero */
.hero-animation-only {
    background: #ffffff;
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 40px;
    /* 50px에서 40px로 더 줄임 */
    padding-bottom: 1rem;
    min-height: auto;
    margin: 0;
}

.hero-animation-only .hero-animation {
    width: 1530px;
    /* 1700px에서 10% 줄임 (1700 * 0.9 = 1530) */
    height: auto;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    position: relative;
    transform: scale(1);
    transition: none;
    margin: 0 auto;
    padding: 0;
    margin-top: -35px;
    /* 0에서 -35px로 위로 더 올림 (내비바와 겹침) */
}

.hero-animation-only .hero-animation lottie-player {
    filter: drop-shadow(0 30px 60px rgba(194, 85, 77, 0.2));
    transition: all 0.4s ease;
    border-radius: 30px;
    margin: 0;
    padding: 0;
    display: block;
    height: 720px !important;
    /* 800px에서 10% 줄임 (800 * 0.9 = 720) */
    width: 100% !important;
    max-width: 1530px;
    /* 너비 감소에 맞춰 조정 */
}

/* 새로운 Hero 레이아웃 반응형 */
@media (max-width: 768px) {
    .hero-animation-only {
        padding-top: 40px;
        /* 50px에서 40px로 줄임 */
        padding-bottom: 1rem;
        min-height: auto;
    }

    .hero-animation-only .hero-animation {
        width: 445px;
        /* 495px에서 10% 줄임 (495 * 0.9 = 445.5) */
        height: auto;
        margin-top: -25px;
        /* 0에서 -25px로 위로 올림 */
    }

    .hero-animation-only .hero-animation lottie-player {
        height: 315px !important;
        /* 350px에서 10% 줄임 (350 * 0.9 = 315) */
        max-width: 445px;
    }
}

@media (max-width: 1024px) and (min-width: 769px) {
    .hero-animation-only {
        padding-top: 40px;
        /* 50px에서 40px로 줄임 */
        padding-bottom: 1.5rem;
        min-height: auto;
    }

    .hero-animation-only .hero-animation {
        width: 765px;
        /* 850px에서 10% 줄임 (850 * 0.9 = 765) */
        height: auto;
        margin-top: -30px;
        /* 0에서 -30px로 위로 올림 */
    }

    .hero-animation-only .hero-animation lottie-player {
        height: 396px !important;
        /* 440px에서 10% 줄임 (440 * 0.9 = 396) */
        max-width: 765px;
    }
}

/* 대형 화면 최적화 */
@media (min-width: 1440px) {
    .hero-animation-only {
        padding-top: 40px;
        /* 50px에서 40px로 줄임 */
        padding-bottom: 2rem;
        min-height: auto;
    }

    .hero-animation-only .hero-animation {
        width: 1760px;
        /* 1955px에서 10% 줄임 (1955 * 0.9 = 1759.5) */
        height: auto;
        margin-top: -40px;
        /* 0에서 -40px로 위로 더 올림 */
    }

    .hero-animation-only .hero-animation lottie-player {
        height: 720px !important;
        /* 800px에서 10% 줄임 */
        max-width: 1760px;
    }
}

/* 기존 hero-main-content - 사용 안함 */

/* Layer: ensure hero animation appears above fixed navbar */
.hero-animation-only .hero-animation lottie-player {
    position: relative;
    z-index: 1101;
}

/* 통계 관련 CSS 제거됨 */

/* About Section */
.about {
    background-color: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text h3 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 30px;
    font-family: 'Pretendard', sans-serif;
    letter-spacing: -0.01em;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.7;
    font-family: 'Pretendard', sans-serif;
    font-weight: 400;
    font-size: 17px;
    letter-spacing: -0.01em;
}

.core-values {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

.value-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.value-item:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 20px var(--shadow-light);
}

.value-icon {
    font-size: 28px;
    margin-top: 0;
    flex-shrink: 0;
    line-height: 1;
}

.value-text {
    flex: 1;
}

.value-item h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 8px 0;
    font-family: 'Pretendard', sans-serif;
    letter-spacing: -0.01em;
}

.value-item p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
    font-family: 'Pretendard', sans-serif;
    line-height: 1.5;
    letter-spacing: -0.01em;
}

.about-image {
    display: flex;
    justify-content: center;
}

.company-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    object-fit: contain;
    border-radius: 16px;
    box-shadow: 0 15px 50px var(--shadow-medium);
    transition: transform 0.3s ease;
    background-color: var(--white);
    padding: 20px;
}

.company-image:hover {
    transform: translateY(-5px) scale(1.02);
}

/* Products Section */
.products {
    background: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-item {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 25px var(--shadow-light);
    border: 1px solid var(--border-color);
}

.product-item.featured {
    border: 2px solid var(--accent-color);
    transform: scale(1.02);
}

.product-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px var(--shadow-medium);
}

.product-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.product-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-icon {
    font-size: 64px;
    opacity: 0.9;
}

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--gradient-accent);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-info {
    padding: 30px;
}

.product-info h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-family: 'Pretendard', sans-serif;
}

.product-category {
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-info p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 15px;
    margin-bottom: 20px;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.product-features span {
    background: var(--bg-light);
    color: var(--text-dark);
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

/* Technology Section */
.technology {
    background: var(--white);
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    align-items: start;
}

.tech-stats {
    display: grid;
    gap: 30px;
}

.tech-stat {
    text-align: center;
    padding: 30px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(30, 64, 175, 0.3);
}

.tech-number {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 10px;
    font-family: 'Space Grotesk', sans-serif;
}

.tech-label {
    font-size: 14px;
    font-weight: 500;
    opacity: 0.9;
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.tech-feature {
    padding: 25px;
    background: var(--bg-light);
    border-radius: 12px;
    border-left: 4px solid var(--accent-color);
    transition: all 0.3s ease;
}

.tech-feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-light);
}

.tech-feature h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.tech-feature p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
}

/* Cases Section */
.cases {
    background: var(--bg-light);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.case-item {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 25px var(--shadow-light);
}

.case-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px var(--shadow-medium);
}

.case-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.case-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-icon {
    font-size: 64px;
    opacity: 0.9;
}

.case-overlay {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.8);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-align: center;
}

.case-overlay h4 {
    margin: 0;
    font-size: 11px;
    margin-bottom: 2px;
}

.case-overlay p {
    margin: 0;
    font-size: 10px;
    opacity: 0.9;
}

.case-info {
    padding: 30px;
}

.case-info h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.case-details {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.case-type,
.case-scale {
    background: var(--accent-color);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.case-scale {
    background: var(--accent-color);
}

.case-info p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 14px;
}

/* Coverage Section */
.coverage {
    background: var(--white);
}

.coverage-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.coverage-info h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 30px;
}

.location-details {
    display: grid;
    gap: 25px;
    margin-bottom: 40px;
}

.location-item {
    padding: 25px;
    background: var(--bg-light);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.location-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.location-item p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
}

.service-areas h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.service-areas ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
}

.service-areas li {
    color: var(--text-light);
    padding: 12px 15px;
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 3px solid var(--secondary-color);
    font-size: 14px;
}

.coverage-visual {
    display: flex;
    align-items: center;
}

.map-placeholder {
    width: 100%;
    background: var(--bg-light);
    border-radius: 16px;
    border: 2px dashed var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    text-align: center;
}

.map-content h4 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.map-content p {
    color: var(--text-light);
    margin-bottom: 10px;
    font-size: 14px;
}

.map-content small {
    font-size: 12px;
    color: var(--text-muted);
}

/* Contact Section */
.contact {
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info {
    display: grid;
    gap: 25px;
}

.contact-item {
    padding: 25px;
    background: var(--white);
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px var(--shadow-light);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-medium);
}

.contact-item h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.contact-detail {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.contact-item small {
    color: var(--text-muted);
    font-size: 12px;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 40px var(--shadow-light);
}

.contact-form h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 30px;
    text-align: center;
}

.inquiry-form {
    display: grid;
    gap: 20px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--white);
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.btn-submit {
    padding: 16px 32px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(30, 64, 175, 0.4);
}

/* Loading Optimization - content-visibility for off-screen sections */
.detail-section,
.about-collage-section,
.cta-inquiry,
.footer,
.heated-overview-gallery,
.cases-stats-section {
    content-visibility: auto;
    contain-intrinsic-size: auto 500px;
}

/* Footer - 강화된 흰색 텍스트 스타일 */
.footer {
    background: #FFFFFF;
    color: #000000;
    padding: 40px 0 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
    max-width: 1400px;
    margin: 0 auto;
}

/* Left Side - Logo & Company Name */
.footer-left {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
}

.footer-logo-section {
    display: flex;
    align-items: center;
    gap: 20px;
}

.footer-logo-img {
    width: 130px;
    height: 130px;
    object-fit: contain;
}

.footer-company-name {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.company-name-ko {
    font-size: 21px;
    font-weight: 700;
    color: #000000;
    letter-spacing: 1px;
}

.company-name-en {
    font-size: 11px;
    font-weight: 500;
    color: rgba(0, 0, 0, 0.6);
    letter-spacing: 0;
    text-align-last: justify;
}

/* Right Side - Company Info */
.footer-right {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px 40px;
    text-align: right;
    flex: 1;
    justify-content: flex-end;
}

.footer-info-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    white-space: nowrap;
}

.footer-address,
.footer-factory {
    font-size: 13px;
    color: rgba(0, 0, 0, 0.9);
    line-height: 1.5;
    font-weight: 500;
}

.footer-detail {
    font-size: 13px;
    color: rgba(0, 0, 0, 0.85);
    line-height: 1.5;
    font-weight: 500;
}

.footer-contact {
    font-size: 13px;
    color: rgba(0, 0, 0, 0.85);
    line-height: 1.5;
    font-weight: 500;
}

.footer-copyright {
    font-size: 12px;
    color: rgba(0, 0, 0, 0.6);
    width: 100%;
    text-align: right;
    margin-top: 8px;
    font-weight: 400;
}

/* Responsive Design for Footer */
@media (max-width: 968px) {
    .footer-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 30px;
    }

    .footer-right {
        width: 100%;
        justify-content: flex-start;
        text-align: left;
    }

    .footer-copyright {
        text-align: left;
    }
}

@media (max-width: 640px) {
    .footer {
        padding: 30px 0 20px;
    }

    .footer-left {
        gap: 15px;
    }

    .footer-logo-section {
        gap: 15px;
    }

    .footer-logo-img {
        width: 90px;
        height: 90px;
    }

    .company-name-ko {
        font-size: 16px;
    }

    .company-name-en {
        font-size: 9px;
    }

    .footer-right {
        gap: 15px 20px;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-stats .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .nav-menu {
        display: none;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
        padding: 0 20px 80px 20px;
    }

    .hero-content {
        text-align: center;
    }

    .hero-animation {
        justify-content: center;
        margin-bottom: 25px;
    }

    .hero-title {
        font-size: 42px;
    }

    .hero-stats .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .about-content,
    .coverage-content,
    .contact-content,
    .tech-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .products-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-secondary {
        width: 200px;
    }

    section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 32px;
    }

    .tech-features {
        grid-template-columns: 1fr;
    }

    .service-areas ul {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-stats .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .container {
        padding: 0 15px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 0 15px 60px 15px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-stats .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .contact-form {
        padding: 30px 20px;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .product-info {
        padding: 20px;
    }
}

/* Animation Classes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.section-header {
    animation: fadeInUp 0.8s ease-out;
}

/* Smooth scrolling */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* 테스트 CSS 제거됨 - 이제 모든 미디어쿼리에서 padding-top: 0 설정됨 */

/* Trust Highlights */
.trust-section {
    background: var(--bg-light);
    padding-top: 40px;
    padding-bottom: 40px;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* Special Section */
.special-section {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
    padding: 60px 0 90px 0;
}

.special-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(194, 85, 77, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(217, 116, 84, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.special-title {
    font-size: 6rem;
    font-weight: 900;
    text-align: center;
    color: #000000;
    margin: 0;
    line-height: 1.1;
    letter-spacing: -0.03em;
    position: relative;
    z-index: 2;
    font-family: 'Inter', 'Pretendard', sans-serif;
    max-width: 100%;
    width: 100%;
    white-space: nowrap;
}

.special-title::after {
    content: '';
    position: absolute;
    bottom: -30px;
    left: calc(50% - 100px);
    width: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    box-shadow: 0 4px 20px rgba(194, 85, 77, 0.4);
    transition: width 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.special-title.line-drawn::after {
    width: 200px;
}

/* Special Section 반응형 */
@media (max-width: 768px) {
    .special-section {
        min-height: 50vh;
        padding: 40px 20px 70px 20px;
    }

    .special-title {
        font-size: 3rem;
        line-height: 1.2;
        max-width: 100%;
        width: 100%;
        white-space: normal;
    }

    .special-title::after {
        left: calc(50% - 60px);
        height: 3px;
        bottom: -20px;
    }

    .special-title.line-drawn::after {
        width: 120px;
    }
}

@media (max-width: 1024px) and (min-width: 769px) {
    .special-section {
        min-height: 55vh;
        padding: 50px 40px 80px 40px;
    }

    .special-title {
        font-size: 4.5rem;
        line-height: 1.1;
        max-width: 100%;
        width: 100%;
        white-space: normal;
    }

    .special-title::after {
        left: calc(50% - 75px);
        height: 4px;
        bottom: -25px;
    }

    .special-title.line-drawn::after {
        width: 150px;
    }
}

@media (min-width: 1440px) {
    .special-section {
        min-height: 65vh;
        padding: 80px 0 110px 0;
    }

    .special-title {
        font-size: 7rem;
        line-height: 1.1;
        max-width: 100%;
        width: 100%;
        white-space: normal;
    }

    .special-title::after {
        left: calc(50% - 420px);
        height: 5px;
        bottom: -35px;
    }

    .special-title.line-drawn::after {
        width: 840px;
    }
}

/* Detail Sections */
.detail-section {
    background: #ffffff;
    padding: 140px 0;
    border-top: 1px solid var(--border-color);
}

.detail-section.alt {
    background: #ffffff;
    color: #000000;
}

.detail-section.alt .detail-title {
    color: #000000;
}

.detail-section.alt .detail-title .text-outline {
    color: #000000;
    background: linear-gradient(180deg, transparent 70%, #FFE066 70%, #FFE066 90%, transparent 90%);
    background-size: 0% 100%;
    background-repeat: no-repeat;
    background-position: left center;
    font-weight: 600;
    padding: 0 2px;
    display: inline-block;
}

.detail-section.alt .detail-title .text-outline.animate-highlight {
    animation: highlightSlide 0.8s cubic-bezier(0.65, 0, 0.85, 0) forwards;
}

@keyframes highlightSlide {
    0% {
        background-size: 0% 100%;
        background-position: left center;
    }

    100% {
        background-size: 100% 100%;
        background-position: left center;
    }
}

.detail-section.alt .detail-desc {
    color: var(--text-light);
}

/* Remove separators around the Legacy section */
#detail-legacy.detail-section {
    border-top: none;
    padding-top: 200px;
}

#detail-references.detail-section {
    border-top: none;
    background: #ffffff;
}

/* Bottom Inquiry CTA */
.cta-inquiry {
    padding: 0;
    background: #ffffff;
    position: relative;
    overflow: hidden;
}

.cta-hero-wrapper {
    position: relative;
    min-height: calc(100vh - var(--nav-height));
    display: flex;
    align-items: center;
    overflow: hidden;
}

.cta-hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #87CEEB 0%, #4A90E2 50%, #2E5C8A 100%);
    background-image: url('images/bg/main_last.webp');
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
    z-index: 0;
}



.cta-inquiry .container {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    width: 100%;
    padding: 0 80px;
}

.cta-hero-content {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--nav-height));
    padding: 120px 0;
}

.cta-hero-text {
    position: relative;
    z-index: 3;
    max-width: 60%;
    color: #ffffff;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 60px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    text-align: center;
    margin: 0 auto;
}

.cta-hero-kicker {
    font-size: clamp(14px, 1.2vw, 18px);
    font-weight: 300;
    letter-spacing: 0.05em;
    margin: 0 0 24px;
    color: rgba(255, 255, 255, 0.95);
    text-transform: uppercase;
}

.cta-hero-title {
    font-size: clamp(36px, 5.5vw, 72px);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin: 0 0 48px;
    color: #ffffff;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.cta-title-line {
    display: block;
}

.cta-title-line:first-child {
    margin-bottom: 8px;
}

.cta-hero-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 8px;
    font-size: clamp(16px, 1.5vw, 20px);
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease, opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    font-weight: 600;
    line-height: 1;
    vertical-align: middle;
    padding-top: 17px;
    padding-bottom: 15px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.2),
        0 0 30px rgba(255, 255, 255, 0.1);
    opacity: 0;
    transform: translate3d(0, 30px, 0);
    will-change: opacity, transform;
}

.cta-hero-button.animate-in {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    will-change: auto;
}

/* 테두리 빛나는 효과 - 애니메이션 */
.cta-hero-button::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: 8px;
    background: linear-gradient(45deg,
            transparent 30%,
            rgba(255, 255, 255, 0.8) 50%,
            transparent 70%);
    background-size: 200% 200%;
    animation: borderGlow 3s linear infinite;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cta-hero-button:hover::before {
    opacity: 1;
}

@keyframes borderGlow {
    0% {
        background-position: 0% 50%;
    }

    100% {
        background-position: 200% 50%;
    }
}

.cta-hero-button:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.4),
        0 0 50px rgba(255, 255, 255, 0.2),
        0 8px 24px rgba(0, 0, 0, 0.2);
}

@media (max-width: 1024px) {
    .cta-inquiry .container {
        padding: 0 48px;
    }

    .cta-hero-text {
        max-width: 70%;
        padding: 48px;
    }

    .cta-hero-background {
        background-size: cover;
        background-position: center center;
    }
}

@media (max-width: 768px) {
    .cta-hero-wrapper {
        min-height: 80vh;
    }

    .cta-hero-content {
        padding: 80px 0;
        min-height: 80vh;
    }

    .cta-hero-text {
        max-width: 85%;
        padding: 40px;
    }

    .cta-hero-title {
        font-size: clamp(28px, 8vw, 48px);
        margin-bottom: 32px;
    }

    .cta-hero-kicker {
        font-size: 14px;
        margin-bottom: 16px;
    }

    .cta-hero-background {
        background-size: cover;
        background-position: center center;
    }
}

@media (max-width: 640px) {
    .cta-inquiry .container {
        padding: 0 24px;
    }

    .cta-hero-wrapper {
        min-height: 70vh;
    }

    .cta-hero-content {
        padding: 60px 0;
        min-height: 70vh;
    }

    .cta-hero-text {
        max-width: 100%;
        padding: 24px;
        border-radius: 16px;
    }

    .cta-hero-title {
        font-size: clamp(24px, 10vw, 36px);
        margin-bottom: 24px;
    }

    .cta-hero-button {
        font-size: 16px;
        padding: 14px 28px;
    }
}

.detail-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
    align-items: center;
}

.detail-title {
    font-size: 44px;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.detail-desc {
    color: var(--text-light);
    font-size: 18px;
    line-height: 1.7;
}

/* Keep 18년 업력 base sizes (36/18) */

.detail-media img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 50px var(--shadow-light);
}

.detail-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 36px auto;
}

#detail-references .detail-header {
    text-align: left;
    margin: 0 0 36px 0;
}

.detail-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.detail-gallery img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 16px 40px var(--shadow-light);
}

/* 두 장 배치용 변형 */
.detail-gallery.two {
    grid-template-columns: repeat(2, 1fr);
}

/* 세로 나열용 변형 */
.detail-gallery.stack {
    grid-template-columns: 1fr;
    max-width: 1400px;
    margin: 0 auto;
    gap: 24px;
}

.detail-gallery.stack img {
    height: auto;
    max-height: 800px;
    width: 100%;
}

/* References section: remove gap between stacked images */
#detail-references .detail-gallery.stack {
    gap: 0;
}

/* References section: remove rounded corners on images */
#detail-references .detail-gallery img {
    border-radius: 0;
    opacity: 0;
    transition: opacity 2s ease-in-out;
}

/* References section: fade in animation */
#detail-references .detail-gallery img.fade-in-visible {
    opacity: 1;
}

/* ===============================
   Home: Business Showcase (carousel)
   =============================== */
.business-showcase {
    background: #ffffff;
    padding: 90px 0;
    overflow-x: hidden;
    /* prevent page-level horizontal scroll */
}

.business-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    /* cards left, text right */
    grid-template-areas: 'cards intro';
    gap: 40px;
    align-items: center;
}

.business-cards {
    grid-area: cards;
}

.business-intro {
    grid-area: intro;
}

.business-intro .kicker {
    color: var(--primary-color);
    font-weight: 800;
    letter-spacing: 0.08em;
    font-size: 16px;
    text-transform: uppercase;
    margin-bottom: 8px;
    font-family: 'Noto Sans', sans-serif;
}

.business-intro .intro-title {
    font-size: 36px;
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 10px;
}

.business-intro .intro-desc {
    color: var(--text-light);
    margin-bottom: 18px;
    font-size: 18px;
}

.carousel-controls {
    display: flex;
    gap: 10px;
}

.carousel-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: #fff;
    box-shadow: 0 6px 18px var(--shadow-light);
    cursor: pointer;
    font-weight: 700;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.carousel-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px var(--shadow-medium);
    background: var(--bg-light);
}

.business-showcase .container {
    overflow-x: hidden;
}

.business-cards {
    position: relative;
    overflow: hidden;
}

.business-cards .cards-stage {
    position: absolute;
    inset: 0;
    border-radius: 28px;
    background: #2B2B2B;
    opacity: .95;
    z-index: 0;
}

.cards-track {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 22px;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 22px 20px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    mask-image: linear-gradient(to right, transparent 0, black 6%, black 94%, transparent 100%);
    width: 100%;
    contain: content;
}

.cards-track:focus {
    outline: none;
}

.cards-track::-webkit-scrollbar {
    height: 10px;
}

.cards-track::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.25);
    border-radius: 10px;
}

.cards-track.auto-scroll {
    scroll-snap-type: none;
}

.business-card {
    flex: 0 0 320px;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
    border: 1px solid var(--border-color);
    scroll-snap-align: start;
    text-decoration: none;
    color: inherit;
    transition: transform .25s ease, box-shadow .25s ease;
}

.business-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.18);
}

.business-card .card-media {
    height: 190px;
    overflow: hidden;
}

.business-card .card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.business-card .card-body {
    background: #fff;
    padding: 14px 16px 18px;
}

.card-eyebrow {
    color: #9CA3AF;
    font-size: 12px;
    display: block;
    margin-bottom: 6px;
    font-family: 'Noto Sans', sans-serif;
}

.card-title {
    font-size: 16px;
    font-weight: 800;
    color: #111827;
}

@media (max-width: 1024px) {
    .business-grid {
        grid-template-columns: 1fr;
        gap: 28px;
        grid-template-areas: 'intro' 'cards';
    }

    .business-cards .cards-stage {
        inset: 0;
    }

    .cards-track {
        padding-left: 20px;
    }
}

/* ===============================
   Home: About Collage CTA
   =============================== */
.about-collage-section {
    background: #ffffff;
    padding: 140px 0 230px;
}

.about-collage-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
}

.collage {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 18px;
}

.collage-item.small {
    height: 220px;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 16px 40px var(--shadow-light);
}

.collage-item.large {
    grid-row: span 2;
    height: 460px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 18px 48px var(--shadow-medium);
}

.collage-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Collage Animation */
.collage-item.slide-from-top {
    opacity: 0;
}

.collage-item.slide-from-left {
    opacity: 0;
}

.collage-item.slide-from-right {
    opacity: 0;
}

.collage-item.slide-from-top.animate {
    animation: slideFromTop 0.8s ease-out forwards;
}

.collage-item.slide-from-left.animate {
    animation: slideFromLeft 0.8s ease-out forwards;
    animation-delay: 0.7s;
}

.collage-item.slide-from-right.animate {
    animation: slideFromRight 0.8s ease-out forwards;
    animation-delay: 0.4s;
}

@keyframes slideFromTop {
    from {
        opacity: 0;
        transform: translateY(-300px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideFromLeft {
    from {
        opacity: 0;
        transform: translateX(-200px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideFromRight {
    from {
        opacity: 0;
        transform: translateX(500px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.stat-chip {
    position: absolute;
    background: #fff;
    border-radius: 10px;
    padding: 10px 14px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.stat-chip strong {
    font-size: 22px;
    font-weight: 900;
    color: #111827;
}

.stat-chip span {
    font-size: 11px;
    color: #6B7280;
    font-weight: 700;
    letter-spacing: .06em;
}

.chip-a {
    left: -10px;
    top: -12px;
}

.chip-b {
    right: -10px;
    bottom: -14px;
}

.about-copy .kicker {
    color: var(--primary-color);
    font-weight: 800;
    letter-spacing: .08em;
    font-size: 16px;
    text-transform: uppercase;
    margin-bottom: 8px;
    font-family: 'Noto Sans', sans-serif;
}

.about-copy .about-title {
    font-size: 44px;
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1.25;
    margin-bottom: 14px;
}

.about-copy .about-desc {
    color: var(--text-light);
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 18px;
}

.feature-list {
    list-style: none;
    display: grid;
    gap: 10px;
    margin: 0 0 22px 0;
    padding: 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #1F2937;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1.2s ease, transform 1.2s ease;
}

.feature-list li.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.feature-list li::before {
    content: '✓';
    color: var(--success-color);
    font-weight: 900;
}

.about-cta {
    display: inline-block;
    margin-top: 6px;
}

/* ====================================
   ABOUT SPLIT (shared layout for sub pages)
   ==================================== */
.about-split {
    background: #ffffff;
    padding: 80px 0 120px 0;
}

.about-split .split-grid {
    display: grid;
    grid-template-columns: 0.9fr 0.6fr;
    gap: 80px;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.about-split.alt {
    background: var(--bg-light);
}

.about-pill {
    display: inline-block;
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .08em;
    color: var(--text-dark);
    background: #fff;
}

.about-heading {
    font-size: 42px;
    font-weight: 900;
    letter-spacing: -0.02em;
    margin: 12px 0 10px 0;
}

.about-desc {
    color: var(--text-light);
    font-size: 18px;
    line-height: 1.7;
    max-width: 640px;
}

.about-cta-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.stat-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 28px;
    padding-top: 22px;
    border-top: 1px solid var(--border-color);
}

.stat-row.two {
    grid-template-columns: repeat(2, 1fr);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat .num {
    font-size: 36px;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: var(--text-dark);
}

.stat .label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: .06em;
}

.about-photo {
    background: #fff;
    padding: 0;
    border: none;
    border-radius: 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15), 0 16px 64px rgba(0, 0, 0, 0.12);
}

.about-photo img {
    width: 100%;
    height: auto;
    border-radius: 0;
    display: block;
    object-fit: cover;
    aspect-ratio: 3/4;
}

.split-grid.reverse {
    grid-template-columns: 0.85fr 1.15fr;
}

.split-grid.reverse .split-media {
    order: 1;
}

.split-grid.reverse .split-text {
    order: 2;
}

.bullets-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 24px;
    margin-top: 14px;
}

.bullet {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-dark);
}

.bullet .icon {
    width: 22px;
    height: 22px;
    border-radius: 999px;
    background: #e6f1ff;
    color: #2563eb;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 14px;
    line-height: 1;
    margin-top: 2px;
}

.bullet span {
    font-size: 14px;
    color: var(--text-dark);
}

/* Greeting page letter style */
.greeting-letter {
    line-height: 1.95;
    letter-spacing: -0.005em;
    word-break: keep-all;
    overflow-wrap: break-word;
    font-size: 19px;
    color: var(--text-dark);
    margin-top: 12px;
}

.greeting-letter p {
    margin: 10px 0 18px 0;
}

.greeting-letter p.signature {
    margin-top: 24px;
    font-weight: 600;
}

@media (max-width: 1024px) {

    .about-split .split-grid,
    .split-grid.reverse {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .stat-row {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .about-heading {
        font-size: 32px;
    }

    .about-copy .about-title {
        font-size: 32px;
    }

    .detail-title {
        font-size: 32px;
    }

    .stat-row {
        grid-template-columns: 1fr;
    }

    .bullets-grid {
        grid-template-columns: 1fr;
    }

    .about-split.alt {
        padding: 50px 0 80px 0;
    }

    .about-split {
        padding: 60px 0 80px 0;
    }
}

@media (max-width: 1024px) {
    .about-collage-grid {
        grid-template-columns: 1fr;
    }

    .collage-item.small {
        height: 180px;
    }

    .collage-item.large {
        height: 360px;
    }
}

.detail-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.detail-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-light);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.detail-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px var(--shadow-medium);
}

.detail-card-media img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.detail-card-body {
    padding: 18px;
}

.detail-card-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.detail-card-body p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .detail-grid {
        grid-template-columns: 1fr;
    }

    .detail-gallery {
        grid-template-columns: 1fr;
    }
}

.trust-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 16px;
    align-items: center;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 6px 20px var(--shadow-light);
}

.trust-media img {
    width: 100%;
    height: 90px;
    object-fit: cover;
    border-radius: 8px;
}

.trust-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.trust-content p {
    font-size: 14px;
    color: var(--text-light);
}

@media (max-width: 1024px) {
    .trust-grid {
        grid-template-columns: 1fr;
    }

    .trust-item {
        grid-template-columns: 100px 1fr;
    }
}

/* ====================================
   HISTORY INTRO GRID STYLES
   ==================================== */

.history-intro-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 60px;
    align-items: center;
    padding: 0 0 20px 0;
}

.history-intro-text {
    max-width: 100%;
}

.history-intro-centered {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 0;
}

.history-intro-centered .about-pill {
    margin-bottom: 8px;
}

.history-intro-centered .about-heading {
    margin-top: 8px;
}

.history-intro-centered .about-desc {
    margin: 0 auto;
}

/* 연혁 페이지 섹션 패딩 조정 */
.about-split.alt {
    padding: 80px 0 120px 0;
}

.history-intro-bullets {
    display: flex;
    align-items: center;
    justify-content: center;
}

.history-intro-bullets .bullets-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    width: 100%;
}

/* Responsive */
@media (max-width: 1024px) {
    .history-intro-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 0 0 15px 0;
    }

    .history-intro-bullets .bullets-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
}

@media (max-width: 768px) {
    .history-intro-grid {
        padding: 0 0 10px 0;
    }

    .history-intro-bullets .bullets-grid {
        grid-template-columns: 1fr;
    }
}

/* ====================================
   HISTORY SECTION STYLES
   ==================================== */

.history-section {
    background: #ffffff;
    padding: 10px 0 120px 0;
    position: relative;
    overflow: hidden;
}

.history-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.02) 0%, rgba(59, 130, 246, 0.01) 100%);
    pointer-events: none;
}

.history-header {
    text-align: center;
    padding: 20px 0 30px 0;
    position: relative;
    z-index: 1;
}

.history-main-title {
    font-size: 64px;
    font-weight: 900;
    letter-spacing: -0.03em;
    color: #000000;
    margin: 0;
    font-family: 'Space Grotesk', 'Pretendard', sans-serif;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
}

.history-main-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color) 0%, #fb923c 100%);
    border-radius: 2px;
}

.timeline {
    position: relative;
    max-width: 1100px;
    margin: 40px auto 0;
    padding: 40px 0;
}

/* Timeline vertical line - Minimal design */
.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(180deg,
            transparent 0%,
            #d1d5db 5%,
            #d1d5db 95%,
            transparent 100%);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 100%;
    margin-bottom: 100px;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.timeline-item.timeline-hidden {
    opacity: 0;
    transform: translateY(60px);
}

.timeline-item.fade-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* Alternate left-right layout */
.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: auto;
    padding-right: 80px;
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
    margin-right: 0;
    padding-left: 80px;
    text-align: left;
}

.timeline-content {
    position: relative;
    width: 48%;
    background: #ffffff;
    padding: 45px 38px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid #000000;
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.timeline-item:hover .timeline-content {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    border-color: #000000;
}

/* Timeline marker - Minimal circle */
.timeline-marker {
    position: absolute;
    left: 50%;
    top: 50px;
    width: 32px;
    height: 32px;
    background: var(--white);
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.08);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.marker-icon {
    display: none;
}

.timeline-item:hover .timeline-marker {
    width: 36px;
    height: 36px;
    box-shadow: 0 0 0 6px rgba(245, 158, 11, 0.12);
}

/* Timeline period badge - Minimal */
.timeline-period {
    display: inline-block;
    background: transparent;
    color: var(--primary-color);
    padding: 0;
    border-radius: 0;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: none;
}

.timeline-period::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background: var(--primary-color);
    margin-top: 8px;
}

.timeline-item:nth-child(even) .timeline-period::after {
    margin-left: 0;
}

.timeline-title {
    font-size: 26px;
    font-weight: 700;
    color: #1f2937;
    margin: 16px 0 18px 0;
    font-family: 'Pretendard', sans-serif;
    letter-spacing: -0.01em;
    line-height: 1.35;
}

/* Highlights list styling */
.timeline-highlights {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 18px 0 22px 0;
}

.timeline-highlights .highlight {
    font-size: 18px;
    color: #4b5563 !important;
    font-weight: 500;
    padding: 6px 0 !important;
    background: transparent !important;
    border-left: none !important;
    border-radius: 0 !important;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 0 !important;
    -webkit-background-clip: unset !important;
    background-clip: unset !important;
    -webkit-text-fill-color: #4b5563 !important;
}

.timeline-highlights .highlight::before {
    content: '';
    display: none;
}

.timeline-item:hover .timeline-highlights .highlight {
    color: #1f2937 !important;
    padding-left: 4px;
    -webkit-text-fill-color: #1f2937 !important;
}

.timeline-desc {
    font-size: 17px;
    color: #6b7280;
    line-height: 1.7;
    font-family: 'Pretendard', sans-serif;
    letter-spacing: -0.003em;
    font-weight: 400;
    margin-top: 12px;
}

/* Responsive Timeline */
@media (max-width: 1024px) {
    .history-header {
        padding: 50px 0 35px 0;
    }

    .history-main-title {
        font-size: 52px;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-marker {
        left: 30px;
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        width: calc(100% - 80px);
        margin-left: 80px;
        padding: 35px 28px;
        text-align: left;
        padding-left: 30px;
    }

    .timeline-item:nth-child(odd) .timeline-content {
        margin-right: 0;
        padding-right: auto;
    }
}

@media (max-width: 768px) {
    .history-section {
        padding: 30px 0 60px 0;
    }

    .history-header {
        padding: 20px 0 20px 0;
    }

    .history-main-title {
        font-size: 42px;
    }

    .timeline {
        margin: 40px auto 0;
        padding: 10px 0;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-marker {
        left: 20px;
        width: 28px;
        height: 28px;
        top: 44px;
    }

    .timeline-item:hover .timeline-marker {
        width: 32px;
        height: 32px;
    }

    .timeline-item {
        margin-bottom: 60px;
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px;
        padding: 28px 20px;
        text-align: left;
    }

    .timeline-period {
        font-size: 12px;
    }

    .timeline-title {
        font-size: 22px;
    }

    .highlight {
        font-size: 13px;
    }

    .timeline-desc {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .history-header {
        padding: 30px 0 20px 0;
    }

    .history-main-title {
        font-size: 32px;
    }

    .timeline::before {
        left: 15px;
    }

    .timeline-marker {
        left: 15px;
        width: 24px;
        height: 24px;
        top: 40px;
    }

    .timeline-item:hover .timeline-marker {
        width: 28px;
        height: 28px;
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        width: calc(100% - 45px);
        margin-left: 45px;
        padding: 24px 16px;
    }

    .timeline-title {
        font-size: 20px;
    }

    .timeline-desc {
        font-size: 15px;
    }
}


/* ====================================
   CASES PAGE STYLES
   ==================================== */

/* Cases Hero Section */
.cases-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 140px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cases-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)" /></svg>');
    opacity: 0.3;
}

.cases-hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.cases-hero-title {
    font-size: 56px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
    font-family: 'Pretendard', sans-serif;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.cases-hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 50px;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.cases-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 900px;
    margin: 25px auto 0;
}

.cases-stat-item {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 30px 20px;
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.cases-stat-item:hover {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(0, 0, 0, 0.25);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.cases-stat-number {
    font-size: 42px;
    font-weight: 800;
    color: #000;
    margin-bottom: 10px;
    font-family: 'Space Grotesk', sans-serif;
}

.cases-stat-label {
    font-size: 16px;
    color: #000;
    font-weight: 500;
}

/* Gallery Section */
.gallery-section {
    padding: 130px 0 100px 0;
    background: var(--white);
}

.gallery-section .section-header {
    margin-bottom: 50px;
}

.gallery-section .container {
    max-width: 1600px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 10px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 0;
    box-shadow:
        0 8px 24px rgba(0, 0, 0, 0.15),
        0 4px 12px rgba(0, 0, 0, 0.1),
        0 2px 6px rgba(0, 0, 0, 0.08);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    background: var(--white);
    cursor: pointer;
    will-change: transform;
}

.gallery-item:hover {
    transform: translateY(-10px) translateZ(0);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.25),
        0 12px 24px rgba(0, 0, 0, 0.18),
        0 6px 12px rgba(0, 0, 0, 0.15);
    will-change: auto;
}

.gallery-image-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 75%;
    /* 4:3 Aspect Ratio */
    overflow: hidden;
}

.gallery-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
    will-change: transform;
    transform: translateZ(0);
}

.gallery-item:hover .gallery-image {
    transform: scale(1.1) translateZ(0);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.4) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    display: flex;
    align-items: flex-end;
    padding: 30px;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay-content {
    color: var(--white);
    transform: translateY(20px) translateZ(0);
    transition: transform 0.4s ease, opacity 0.4s ease;
    will-change: transform, opacity;
}

.gallery-item:hover .gallery-overlay-content {
    transform: translateY(0) translateZ(0);
    will-change: auto;
}

.gallery-overlay-content h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    font-family: 'Pretendard', sans-serif;
}

.gallery-overlay-content p {
    font-size: 14px;
    margin-bottom: 15px;
    opacity: 0.9;
    line-height: 1.6;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.gallery-view-btn {
    background: var(--white);
    color: #000000;
    border: none;
    padding: 10px 24px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Pretendard', sans-serif;
}

.gallery-view-btn:hover {
    background: var(--accent-color);
    color: var(--white);
    transform: scale(1.05);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: 30px;
    right: 40px;
    color: var(--white);
    font-size: 48px;
    font-weight: 300;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10001;
    line-height: 1;
}

.modal-close:hover {
    color: var(--accent-color);
    transform: rotate(90deg);
}

.modal-content-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 1400px;
    padding: 0 100px;
}

.modal-content {
    max-width: 1200px;
    width: 100%;
    text-align: center;
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-content img {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transition: opacity 0.3s ease;
}

.modal-info {
    margin-top: 30px;
    color: var(--white);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.modal-info h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
    font-family: 'Pretendard', sans-serif;
}

.modal-info p {
    font-size: 16px;
    line-height: 1.6;
    opacity: 0.9;
}

.modal-nav {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    font-size: 32px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    z-index: 10002;
}

.modal-prev {
    left: 20px;
}

.modal-next {
    right: 20px;
}

.modal-nav:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: scale(1.1);
}

/* Project Stats Section */
.project-stats-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.project-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.project-stat-card {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 30px var(--shadow-light);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.project-stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px var(--shadow-medium);
    border-color: var(--primary-color);
}

.project-stat-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.project-stat-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
    font-family: 'Pretendard', sans-serif;
}

.project-stat-detail {
    color: var(--text-light);
    font-size: 16px;
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-stat-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* CTA Section */
.cases-cta-section {
    padding: 140px 0;
    background: url('images/bg/opt3_3.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cases-cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid2" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid2)" /></svg>');
}

.cases-cta-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.cases-cta-content h2 {
    font-size: 52px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 24px;
    font-family: 'Pretendard', sans-serif;
    letter-spacing: -0.02em;
}

.cases-cta-content p {
    font-size: 22px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 48px;
    line-height: 1.6;
}

.cases-cta-btn {
    display: inline-block;
    background: var(--white);
    color: var(--primary-color);
    padding: 22px 60px;
    border-radius: 50px;
    font-size: 20px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    font-family: 'Pretendard', sans-serif;
}

.cases-cta-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    background: var(--accent-color);
    color: var(--white);
}

/* Responsive Design for Cases Page */
@media (max-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 25px;
    }

    .modal-content-wrapper {
        padding: 0 80px;
    }

    .cases-hero-title {
        font-size: 48px;
    }

    .cases-cta-section {
        padding: 120px 0;
    }

    .cases-cta-content h2 {
        font-size: 46px;
    }

    .cases-cta-content p {
        font-size: 21px;
    }

    .cases-cta-btn {
        padding: 20px 55px;
        font-size: 19px;
    }
}

@media (max-width: 768px) {
    .cases-hero {
        padding: 120px 0 60px;
    }

    .cases-hero-title {
        font-size: 36px;
    }

    .cases-hero-subtitle {
        font-size: 16px;
    }

    .cases-stats {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 400px;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .gallery-section {
        padding: 90px 0 60px 0;
    }

    .project-stats-section {
        padding: 60px 0;
    }

    .project-stats-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .cases-cta-section {
        padding: 100px 0;
    }

    .cases-cta-content h2 {
        font-size: 40px;
    }

    .cases-cta-content p {
        font-size: 20px;
    }

    .modal-content-wrapper {
        padding: 0 60px;
    }

    .modal-nav {
        width: 50px;
        height: 50px;
        font-size: 24px;
    }

    .modal-close {
        top: 20px;
        right: 20px;
        font-size: 36px;
    }

    .modal-info h3 {
        font-size: 24px;
    }

    .modal-info p {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .cases-hero-title {
        font-size: 28px;
    }

    .cases-hero-subtitle {
        font-size: 14px;
        margin-bottom: 30px;
    }

    .cases-stat-number {
        font-size: 32px;
    }

    .cases-stat-label {
        font-size: 14px;
    }

    .modal-content-wrapper {
        padding: 0 20px;
    }

    .modal-nav {
        display: none;
    }

    .gallery-overlay {
        opacity: 1;
        background: linear-gradient(to top, rgba(30, 64, 175, 0.95) 0%, rgba(30, 64, 175, 0.5) 50%, transparent 100%);
    }

    .gallery-overlay-content {
        transform: translateY(0);
    }

    .cases-cta-content h2 {
        font-size: 26px;
    }

    .cases-cta-btn {
        padding: 15px 40px;
        font-size: 16px;
    }
}

/* Business Pages Specific Styles */
.business-hero {
    background-image: url('images/bg/banner/business.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 120px 0 20px 0;
    text-align: center;
    margin-top: 76px;
    position: relative;
}

.business-hero .container {
    position: relative;
}

.business-hero-label {
    position: absolute;
    top: -60px;
    left: 40px;
    font-size: 5rem;
    font-weight: 900;
    color: rgba(176, 25, 15, 0.25);
    letter-spacing: -0.03em;
    line-height: 1;
    pointer-events: none;
    user-select: none;
    font-family: 'Pretendard', sans-serif;
    font-style: italic;
}

.business-hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: #1E293B;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    position: relative;
    z-index: 1;
}

.business-hero p {
    font-size: 1.375rem;
    color: #64748B;
    font-weight: 400;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.business-section {
    padding: 20px 20px 100px 20px;
    background-color: #ffffff;
}

.business-category {
    max-width: 1400px;
    margin: 0 auto;
}

/* New Product Card Layout - Inspired by ABELTY Design */
.business-items {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.business-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 500px;
    background-color: #fff;
    border-radius: 0;
    overflow: hidden;
    box-shadow: none;
    transition: all 0.4s ease;
}

.business-item:nth-child(even) {
    direction: rtl;
}

.business-item:nth-child(even)>* {
    direction: ltr;
}

.business-item-image {
    background: linear-gradient(135deg, #A8D5E2 0%, #8BC6DB 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
    position: relative;
    overflow: visible;
}

.business-item-image::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: -100px;
    right: -100px;
}

.business-item-image img {
    /* 대표 이미지: 왼쪽/오른쪽 경계에 걸쳐 겹치도록 배치 */
    position: absolute;
    top: 50%;
    right: -60px;
    /* 기본(이미지 컬럼이 좌측일 때) 경계 쪽으로 겹침 */
    transform: translateY(-50%);
    width: clamp(240px, 55%, 360px);
    max-width: 360px;
    height: auto;
    object-fit: contain;
    z-index: 1;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
    transition: transform 0.5s ease;
}

/* 짝수 항목(이미지 컬럼이 오른쪽)에선 왼쪽 경계로 겹치도록 */
.business-item:nth-child(even) .business-item-image img {
    right: auto;
    left: -60px;
}

.business-item:hover .business-item-image img {
    transform: scale(1.05);
}

.business-item-content {
    background: linear-gradient(135deg, #FFF9F5 0%, #FFF5EE 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 80px 70px;
    position: relative;
}

.business-item-label {
    display: inline-block;
    color: #EF4444;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.business-item h3 {
    font-size: 2.25rem;
    font-weight: 700;
    color: #1E293B;
    margin-bottom: 24px;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.business-item-description {
    font-size: 1rem;
    color: #64748B;
    line-height: 1.7;
    margin-bottom: 30px;
}

.business-item-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: #2D2D2D;
    border-radius: 4px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.business-item-button svg {
    width: 20px;
    height: 20px;
    stroke: white;
    stroke-width: 2;
    fill: none;
}

.business-item-button:hover {
    background-color: #1E293B;
    transform: translateX(5px);
}

/* Heated Seat Detail Page */
.heated-main {
    padding: 60px 20px 140px 20px;
    background-color: #ffffff;
}

.heated-main .container {
    max-width: 1200px;
}

.section-label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #1D4ED8;
    margin-bottom: 16px;
}

.lead {
    font-size: 1.125rem;
    color: #475569;
    line-height: 1.7;
    margin-bottom: 36px;
}

.heated-overview {
    padding: 120px 0 60px 0;
    border-bottom: 1px solid #E2E8F0;
}

/* RAMP BUS 섹션 위아래 라인 제거 */
#ramp-bus.heated-overview {
    border-top: none;
    border-bottom: none;
}

/* Bus Stop Solutions - BIT Section 상단 여백 줄이기 */
.heated-main #bit-overview.heated-overview {
    padding-top: 10px;
}

/* Child Safety Zone - 상하단 여백 줄이기 */
#child-safety.heated-overview {
    padding-top: 30px;
    padding-bottom: 10px;
}

/* System Features - 상단 여백 줄이기 */
#system-features.heated-overview {
    padding-top: 30px;
}

/* LED Signs - 스마트 안내 전광판(SID) 상단 간격 줄이기 */
#smart-sid {
    padding-top: 0 !important;
    margin-top: 0 !important;
}

/* LED Signs - Child Safety 섹션 뒤 간격 줄이기 */
#smart-led + section {
    padding-top: 10px;
}

/* LED Signs - 어린이보호구역 스마트 전광판 타이틀 폰트 크기 줄이기 */
#smart-led h2 {
    font-size: 2.6rem;
}

/* Voice Guidance - product-line-section과 heated-main 사이 간격 줄이기 */
body:has(.voice-guide-gallery) .product-line-section {
    padding-bottom: 60px;
}

body:has(.voice-guide-gallery) .heated-main {
    padding-top: 20px;
}

/* Voice Guidance - 모든 가로 라인 제거 */
body:has(.voice-guide-gallery) .heated-overview {
    border-bottom: none;
}

body:has(.voice-guide-gallery) .heated-feature-point {
    border-bottom: none;
}

/* 온열의자 페이지 - 원격관제 시스템 섹션 위의 줄 제거 */
.heated-seat-page #heated-features.heated-overview {
    border-bottom: none;
}

/* 온열의자 페이지 - 원격관제 시스템 섹션 아래의 줄 제거 */
.heated-seat-page .heated-remote {
    border-bottom: none;
}

/* Top Section: Left Text, Right Image */
.heated-overview-top {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 100px;
}

.heated-overview-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.heated-overview-text .heated-gallery-label {
    margin-bottom: 0;
}

.heated-overview-text .heated-gallery-label+.heated-overview-features {
    margin-top: 20px;
}

.heated-overview-text h2 {
    font-size: 3rem;
    font-weight: 700;
    color: #0F172A;
    margin-bottom: 16px;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

/* Child Safety Section - 타이틀 한 줄 유지 */
#child-safety .heated-overview-text h2 {
    white-space: nowrap;
}

.heated-overview-text p {
    font-size: 1.25rem;
    line-height: 1.8;
    color: #475569;
    max-width: 100%;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: keep-all;
    margin-bottom: 0;
}

.heated-overview-features {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-top: 20px;
    padding: 0;
}

.heated-feature-point {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 24px 0;
    border-bottom: 1px solid #E2E8F0;
    transition: border-color 0.2s ease;
}

.heated-feature-point:last-child {
    border-bottom: none;
}

.heated-feature-point:hover {
    border-bottom-color: #CBD5E1;
}

.heated-feature-point strong {
    font-size: 1.25rem;
    font-weight: 600;
    color: #0F172A;
    letter-spacing: -0.02em;
    line-height: 1.4;
}

.heated-feature-point span {
    font-size: 1rem;
    color: #64748B;
    line-height: 1.6;
    font-weight: 400;
}

.heated-overview-image {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.heated-overview-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 0;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25), 0 6px 16px rgba(0, 0, 0, 0.15);
}

/* Child Safety Section - 이미지 사이즈 조정 및 우측 정렬 */
#child-safety .heated-overview-image {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

#child-safety .heated-overview-image img {
    max-width: 105%;
    width: 105%;
    margin-left: auto;
}

/* Accessible Stop - 이미지 세로 배치 */
#accessible-stop .heated-overview-top {
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
}

#accessible-stop .heated-overview-image {
    flex-direction: column;
    gap: 15px;
}

#accessible-stop .heated-overview-image img {
    width: 80%;
    max-width: 80%;
    margin: 0 auto;
}

/* Voice Guide Section - 자연스러운 줄바꿈 및 레이아웃 최적화 */
#voice-guide .heated-overview-text p {
    max-width: 100%;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    line-height: 1.75;
    text-align: justify;
    text-justify: inter-word;
}

#voice-guide .heated-overview-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

#voice-guide .heated-overview-image img {
    width: 100%;
    max-width: 90%;
    height: auto;
    object-fit: contain;
}

/* Voice Guide - Gallery 섹션 상단 간격 줄이기 */
#voice-guide + .voice-guide-gallery {
    margin-top: -80px;
}

/* Shuttle System - 메인 이미지 크기 조정 */
#shuttle-system .heated-overview-image img {
    width: 100%;
    max-width: 95%;
    height: auto;
    object-fit: cover;
    object-position: center 20%;
}

/* Shuttle System - 본문 내용 임팩트 및 줄바꿈 */
#shuttle-system .heated-overview-text p {
    font-size: 1.25rem;
    line-height: 1.8;
    color: #475569;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: keep-all;
    white-space: normal;
    text-align: left;
}

/* Voice Guide 메인 이미지 영역 - 두 이미지 배치 */
.voice-main-images {
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
    width: 100%;
}

.voice-main-img {
    width: 100%;
    max-width: 70%;
    height: auto;
    object-fit: contain;
    border-radius: 0;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25), 0 6px 16px rgba(0, 0, 0, 0.15);
}

.voice-sub-img {
    width: 100%;
    max-width: 60%;
    height: auto;
    object-fit: contain;
    border-radius: 0;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.2), 0 4px 12px rgba(0, 0, 0, 0.12);
    margin-top: -8px;
}

/* Voice Guide Gallery - 최적화된 레이아웃 */
.voice-guide-gallery .bit-case-card {
    display: flex;
    flex-direction: row;
    gap: 40px;
    align-items: center;
    background: #ffffff;
    border-radius: 16px;
    padding: 0;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.voice-guide-gallery .bit-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.voice-guide-gallery .heated-gallery-item {
    flex: 0 0 50%;
    max-width: 50%;
    border-radius: 0;
    overflow: hidden;
}

.voice-guide-gallery .heated-gallery-item img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
}

/* Voice Guide Detail Images - 두 이미지 가로 배치 */
.voice-detail-card {
    display: flex;
    flex-direction: row;
    gap: 40px;
    align-items: center;
}

.voice-detail-images {
    flex: 0 0 40%;
    max-width: 40%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.voice-detail-images .heated-gallery-item {
    flex: 1;
    max-width: 100%;
    width: 100%;
}

.voice-detail-images .heated-gallery-item img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
}

.voice-guide-gallery .bit-case-info {
    flex: 1;
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.voice-guide-gallery .bit-case-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0F172A;
    margin-bottom: 32px;
    letter-spacing: -0.02em;
    text-align: center;
}

/* Shuttle System - 제목과 아래 줄 간격 */
.shuttle-system-section .bit-case-info h3 {
    margin-bottom: 32px !important;
}

.voice-guide-gallery .bit-case-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.voice-guide-gallery .bit-case-features li {
    font-size: 1.125rem;
    line-height: 1.8;
    color: #475569;
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: keep-all;
    hyphens: auto;
    white-space: normal;
    text-align: left;
}

.voice-guide-gallery .bit-case-features li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #1e3a8a;
    font-weight: bold;
    font-size: 1.2rem;
}

.voice-guide-gallery .bit-case-features li:first-child {
    padding-top: 0;
}

/* Voice Guide 시스템 구성 섹션 */
.voice-guide-gallery .heated-gallery-section-system {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 40px;
}

.voice-guide-gallery .voice-system-card {
    display: flex;
    flex-direction: row;
    gap: 40px;
    align-items: center;
}

.voice-guide-gallery .voice-system-image {
    flex: 0 0 40%;
    max-width: 40%;
}

.voice-guide-gallery .voice-system-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
}

/* Voice Guide 시스템 구성 섹션 텍스트 자연스러운 줄바꿈 */
.voice-guide-gallery .voice-system-card .bit-case-info h3 {
    word-wrap: break-word;
    overflow-wrap: break-word;
    text-align: center;
    margin-bottom: 32px !important;
}

.voice-guide-gallery .voice-system-card .bit-case-features li {
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: keep-all;
    hyphens: auto;
    white-space: normal;
    text-align: left;
}

/* Shuttle System - 섹션 간격 */
.shuttle-features-section {
    margin-top: 60px;
}

.shuttle-system-section {
    margin-top: 80px;
}

.shuttle-software-section {
    margin-top: 80px;
}

.shuttle-benefits-section {
    margin-top: 80px;
}

/* Shuttle System - 기능 2열 그리드 */
.shuttle-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 120px !important;
    margin-top: 24px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    align-items: stretch;
}

.shuttle-feature-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 100%;
    height: 100%;
}

.shuttle-feature-card .heated-gallery-label {
    margin-bottom: 0;
    min-height: 48px;
    display: flex;
    align-items: center;
}

.shuttle-feature-card:not(:has(.heated-gallery-label))::before {
    content: "";
    display: block;
    min-height: 48px;
}

.shuttle-feature-card .bit-case-card {
    flex-direction: column !important;
    height: 100%;
    width: 100%;
    flex: 1;
}

.shuttle-feature-card .voice-detail-card {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0 !important;
}

.shuttle-feature-card .heated-gallery-item {
    flex: 0 0 auto;
    max-width: 100%;
    width: 100%;
}

.shuttle-feature-card .bit-case-card {
    flex-direction: column !important;
    align-items: stretch !important;
}

.shuttle-feature-card .bit-case-info {
    flex: 1;
    padding: 24px;
    text-align: left !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    justify-content: flex-start !important;
}

.shuttle-feature-card .bit-case-features {
    text-align: left !important;
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
    width: 100% !important;
    display: block !important;
}

.shuttle-feature-card .bit-case-features li {
    text-align: left !important;
    font-size: 1.125rem !important;
    line-height: 1.7 !important;
    color: #475569 !important;
    padding: 8px 0 !important;
    padding-left: 24px !important;
    position: relative !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
    word-break: keep-all !important;
    white-space: normal !important;
    display: block !important;
    width: 100% !important;
    margin: 0 !important;
}

.shuttle-feature-card .bit-case-features li::before {
    content: "•" !important;
    position: absolute !important;
    left: 0 !important;
    color: #1e3a8a !important;
    font-weight: bold !important;
    font-size: 1.2rem !important;
}

/* Shuttle System - 관리 소프트웨어 그리드 */
.shuttle-software-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 0;
}

.shuttle-software-item {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.shuttle-software-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.shuttle-software-item img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

.shuttle-software-info {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.shuttle-software-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #0F172A;
    margin: 0 0 8px 0;
    line-height: 1.4;
}

.shuttle-software-info p {
    font-size: 0.9375rem;
    color: #475569;
    line-height: 1.6;
    margin: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: keep-all;
}

/* Shuttle System - 솔루션 타이틀 스타일 */
.shuttle-solution-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #0F172A;
    margin: 0 0 12px 0;
    line-height: 1.4;
}

/* Shuttle System - 셔틀버스 안내시스템 섹션 본문 줄바꿈 */
.shuttle-system-section .bit-case-features li {
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: keep-all;
    white-space: normal;
}

/* Shuttle System - 장점 이미지 섹션 */
.shuttle-benefits-image {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.shuttle-benefits-image img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    object-fit: contain;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* RAMP BUS 메인 이미지 크기 조정 */
#ramp-bus .rampbus-main-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

#ramp-bus .rampbus-main-image img {
    max-width: 85%;
    width: 85%;
    height: auto;
    object-fit: contain;
}

/* RAMP BUS 텍스트 줄바꿈 자연스럽게 */
#ramp-bus .heated-overview-text p {
    word-wrap: break-word;
    word-break: keep-all;
    line-height: 1.8;
}

/* RAMP BUS 결선도 이미지 */
.rampbus-wiring-image {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    text-align: center;
}

.rampbus-wiring-image img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    object-fit: contain;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* RAMP BUS 결선도 섹션 타이틀 아래 여백 */
.rampbus-wiring-section .heated-gallery-label {
    margin-bottom: 1px;
}

/* RAMP BUS 시스템 결선도 제목과 리스트 사이 간격 */
.rampbus-wiring-section .bit-case-info h3 {
    margin-bottom: 32px !important;
}

/* Bottom Gallery Section */
.heated-overview-gallery {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* RAMP BUS 키패드 섹션 여백 줄이기 */
.rampbus-features-section {
    margin-top: 0;
    margin-bottom: 0;
    padding-top: 0;
    padding-bottom: 0;
}

.rampbus-features-section .heated-gallery-section-features {
    margin-top: 0;
    margin-bottom: 0;
}

.rampbus-features-section .shuttle-features-grid {
    margin-top: 0;
}

.heated-gallery-section-features,
.heated-gallery-section-options {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.heated-gallery-label {
    display: inline-block;
    background: #0F172A;
    color: #FFFFFF;
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    width: fit-content;
    margin-bottom: 0;
}

/* 관리 소프트웨어와 장점 섹션 - 라벨과 이미지 간격 제거 */
.shuttle-software-section .heated-gallery-label+.shuttle-software-grid,
.shuttle-benefits-section .heated-gallery-label+.shuttle-benefits-image {
    margin-top: 0;
}

.heated-gallery-item {
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
    background: #FFFFFF;
}

.heated-gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Vehicle LED Gallery - 3열 그리드 레이아웃 */
.vehicle-led-gallery-section {
    margin: 0 0 60px 0;
    width: 100%;
    padding: 0 20px;
}

/* 차량 LED 섹션 하단 여백 줄이기 - 다른 섹션에 영향 없도록 특정 타겟팅 */
.heated-main #vehicle-led.heated-overview {
    padding-top: 130px;
    /* 60px에서 90px로 늘려 무정차 방지시스템과의 간격 확대 */
    padding-bottom: 0 !important;
    margin-bottom: 0 !important;
    border-bottom: none;
}

/* Vehicle LED Section의 마지막 feature-point 하단 여백 제거 */
#vehicle-led .heated-overview-features {
    margin-bottom: 0;
    padding-bottom: 0;
}

#vehicle-led .heated-feature-point:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
}

/* 차량 LED 갤러리 섹션 상단 여백 제거 */
.vehicle-led-gallery-section {
    margin-top: -50px !important;
    margin-bottom: 60px;
    padding-top: 0;
}

/* Vehicle LED Section 다음 갤러리 여백 제거 */
.heated-main:has(#vehicle-led) {
    padding-bottom: 0;
}

.vehicle-led-container {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    padding: 0 60px;
    padding-top: 0;
}

.vehicle-led-container .heated-gallery-label {
    margin-top: 100px;
    margin-bottom: 40px;
}

.vehicle-led-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    column-gap: 40px;
    row-gap: 50px;
    width: 100%;
    margin-top: 0;
    padding-top: 0;
}

.vehicle-led-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: all 0.3s ease;
}

.vehicle-led-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.vehicle-led-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vehicle-led-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.vehicle-led-content {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.vehicle-led-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #0F172A;
    margin: 0 0 16px 0;
    line-height: 1.4;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: keep-all;
}

.vehicle-led-features {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.vehicle-led-features li {
    font-size: 0.9375rem;
    color: #475569;
    line-height: 1.7;
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: keep-all;
    hyphens: auto;
}

.vehicle-led-features li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #1e3a8a;
    font-weight: bold;
    font-size: 1rem;
}

.heated-options-column {
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
}

.heated-options-column {
    width: 100%;
}

.heated-options-column .heated-gallery-item:first-child {
    width: 55%;
    margin: 0 auto;
}

.heated-gallery-arrow {
    display: flex;
    justify-content: center;
    align-items: center;
    color: #64748B;
    flex-shrink: 0;
    margin: -8px 0;
}

.heated-gallery-arrow svg {
    width: 40px;
    height: 40px;
}

.heated-remote,
.heated-safety,
.heated-use {
    padding: 100px 0;
    border-bottom: 1px solid #E2E8F0;
}

.heated-use {
    border-bottom: none;
}

.heated-section-head {
    max-width: 720px;
    margin-bottom: 48px;
}

.heated-section-head h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: #0F172A;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.heated-section-head p {
    font-size: 1.25rem;
    color: #4B5563;
    line-height: 1.7;
}

.heated-remote-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.heated-remote-images {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 100px;
}

.heated-remote-image {
    width: 100%;
}

.heated-remote-image img {
    width: 100%;
    height: auto;
}

.heated-remote-full-image {
    width: calc(100% + 80px);
    margin-left: -40px;
    margin-right: -40px;
    margin-top: 60px;
}

.heated-remote-full-image img {
    width: 100%;
    height: auto;
}

.heated-remote-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 40px;
}

.heated-card {
    background-color: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.heated-card h3 {
    font-size: 1.375rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 16px;
}

.heated-card p {
    font-size: 1rem;
    color: #4B5563;
    line-height: 1.7;
}

.heated-remote-list {
    margin-top: 40px;
    padding-left: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    color: #455468;
    line-height: 1.7;
}

.heated-remote-list strong {
    color: #1E293B;
    font-weight: 600;
}

.heated-safety-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.heated-safety-image {
    position: sticky;
    top: 100px;
}

.heated-safety-image img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.heated-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.heated-feature {
    background-color: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.06);
}

.heated-feature h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 12px;
}

.heated-feature p {
    font-size: 0.995rem;
    color: #4B5563;
    line-height: 1.6;
}

.heated-use-content {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.heated-use-images {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
    margin-bottom: 20px;
}

.heated-use-image-item {
    background-color: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.heated-use-image-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
}

.heated-use-image-item img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    margin-bottom: 20px;
}

.heated-use-image-item h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 8px;
}

.heated-use-image-item p {
    font-size: 0.9375rem;
    color: #6B7280;
    line-height: 1.6;
    margin: 0;
}

.heated-split {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px;
    background-color: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 20px;
    padding: 48px;
    box-shadow: 0 18px 44px rgba(15, 23, 42, 0.08);
}

.heated-split-block h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 16px;
}

.heated-split-block ul {
    list-style: disc;
    padding-left: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    color: #475569;
    line-height: 1.7;
    margin: 0;
}

/* Responsive Design for Business Items */
@media (max-width: 1024px) {
    .business-item {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .business-item:nth-child(even) {
        direction: ltr;
    }

    .business-item-image {
        padding: 50px;
        min-height: 400px;
    }

    /* 모바일/태블릿에서는 일반 흐름으로 복귀 */
    .business-item-image img {
        position: relative;
        top: auto;
        right: auto;
        left: auto;
        transform: none;
        width: 100%;
        max-width: 520px;
    }

    .business-item-content {
        padding: 50px 40px;
    }

    .business-item h3 {
        font-size: 1.875rem;
    }
}

@media (max-width: 1200px) {
    .heated-overview-top {
        gap: 60px;
    }

    .heated-overview-text h2 {
        font-size: 2.5rem;
    }
}

@media (max-width: 1024px) {
    .heated-overview-top {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .heated-overview-gallery {
        gap: 32px;
    }

    /* Voice Guide Gallery - 태블릿 반응형 */
    .voice-guide-gallery .bit-case-card {
        flex-direction: column;
        gap: 0;
    }

    .voice-guide-gallery .heated-gallery-item {
        flex: 1;
        max-width: 100%;
    }

    .voice-guide-gallery .bit-case-info {
        padding: 24px;
    }

    /* Voice Guide Detail Images 태블릿 */
    .voice-detail-card {
        flex-direction: column;
        gap: 0;
    }

    .voice-detail-images {
        flex: 1;
        max-width: 100%;
        gap: 16px;
    }

    /* Voice Guide 메인 이미지 태블릿 */
    .voice-main-images {
        gap: 20px;
    }

    .voice-main-img {
        max-width: 65%;
    }

    .voice-sub-img {
        max-width: 55%;
    }

    /* Voice Guide 시스템 섹션 태블릿 */
    .voice-guide-gallery .voice-system-card {
        flex-direction: column;
        gap: 0;
    }

    .voice-guide-gallery .voice-system-image {
        flex: 1;
        max-width: 100%;
    }

    /* Shuttle System - 섹션 간격 태블릿 */
    .shuttle-features-section,
    .shuttle-system-section,
    .shuttle-software-section,
    .shuttle-benefits-section {
        margin-top: 60px;
    }

    /* Shuttle System - 메인 이미지 태블릿 */
    #shuttle-system .heated-overview-image img {
        max-width: 80%;
    }

    /* Shuttle System - 기능 그리드 태블릿 */
    .shuttle-features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 100px !important;
        max-width: 100%;
    }

    /* Shuttle System - 관리 소프트웨어 그리드 태블릿 */
    .shuttle-software-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .heated-remote-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .heated-remote-images {
        position: relative;
        top: auto;
    }

    .heated-remote-full-image {
        width: calc(100% + 80px);
        margin-left: -40px;
        margin-right: -40px;
        margin-top: 40px;
    }

    .heated-option-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .heated-remote-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .heated-safety-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .heated-safety-image {
        position: relative;
        top: auto;
    }

    .heated-feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .heated-use-images {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 24px;
    }

    .heated-split {
        gap: 32px;
        padding: 40px;
    }
}

@media (max-width: 820px) {
    .heated-main {
        padding: 40px 16px 100px 16px;
    }

    .heated-overview {
        padding: 80px 0 70px 0;
    }

    .heated-overview-top {
        margin-bottom: 60px;
        gap: 40px;
    }

    .heated-overview-gallery {
        gap: 24px;
    }

    .heated-section-head {
        margin-bottom: 32px;
    }

    .heated-remote-full-image {
        width: calc(100% + 32px);
        margin-left: -16px;
        margin-right: -16px;
        margin-top: 32px;
    }
}

@media (max-width: 768px) {
    .heated-overview-text h2 {
        font-size: 2.25rem;
    }

    .heated-overview-features {
        margin-top: 20px;
    }

    /* Vehicle LED Gallery - 태블릿 반응형 */
    .vehicle-led-gallery-section {
        padding: 0 15px;
    }

    .vehicle-led-container {
        max-width: 100%;
        padding: 0 50px;
    }

    .vehicle-led-grid {
        grid-template-columns: repeat(2, 1fr);
        column-gap: 24px;
        row-gap: 40px;
    }

    .vehicle-led-image {
        height: 240px;
    }

    .heated-feature-point {
        padding: 20px 0;
    }

    .heated-feature-point strong {
        font-size: 1.125rem;
    }

    .heated-feature-point span {
        font-size: 0.9375rem;
    }

    .heated-overview-image img {
        border-radius: 0;
    }

    .heated-overview-gallery {
        gap: 20px;
    }

    .heated-gallery-section-features,
    .heated-gallery-section-options {
        gap: 20px;
    }

    /* Voice Guide Gallery - 모바일 반응형 */
    .voice-guide-gallery .bit-case-card {
        flex-direction: column;
        gap: 0;
        border-radius: 12px;
    }

    .voice-guide-gallery .heated-gallery-item {
        flex: 1;
        max-width: 100%;
    }

    .voice-guide-gallery .heated-gallery-item img {
        max-height: 250px;
        object-fit: contain;
    }

    .voice-guide-gallery .bit-case-info {
        padding: 20px;
    }

    .voice-guide-gallery .bit-case-info h3 {
        font-size: 1.25rem;
        margin-bottom: 12px;
    }

    .voice-guide-gallery .bit-case-features li {
        font-size: 1rem;
        line-height: 1.6;
        padding: 6px 0;
        padding-left: 20px;
        word-wrap: break-word;
        overflow-wrap: break-word;
        word-break: keep-all;
        white-space: normal;
    }

    /* Voice Guide Detail Images 모바일 */
    .voice-detail-card {
        flex-direction: column;
        gap: 0;
    }

    .voice-detail-images {
        flex: 1;
        max-width: 100%;
        gap: 12px;
    }

    .voice-detail-images .heated-gallery-item img {
        max-height: 200px;
    }

    /* Voice Guide 텍스트 줄바꿈 모바일 최적화 */
    #voice-guide .heated-overview-text p {
        text-align: left;
        font-size: 1.125rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    /* Voice Guide 리스트 항목 모바일 줄바꿈 */
    .voice-guide-gallery .bit-case-features li {
        word-wrap: break-word;
        overflow-wrap: break-word;
        word-break: keep-all;
        hyphens: auto;
        white-space: normal;
        font-size: 1rem;
    }

    /* Voice Guide 시스템 구성 모바일 줄바꿈 */
    .voice-guide-gallery .voice-system-card .bit-case-features li {
        word-wrap: break-word;
        overflow-wrap: break-word;
        word-break: keep-all;
        hyphens: auto;
        white-space: normal;
    }

    /* Voice Guide 메인 이미지 모바일 */
    .voice-main-images {
        gap: 16px;
    }

    .voice-main-img {
        max-width: 100%;
    }

    .voice-sub-img {
        max-width: 85%;
        margin-top: -4px;
    }

    /* Voice Guide 시스템 섹션 모바일 */
    .voice-guide-gallery .heated-gallery-section-system {
        margin-top: 32px;
    }

    .voice-guide-gallery .voice-system-card {
        flex-direction: column;
        gap: 0;
    }

    .voice-guide-gallery .voice-system-image {
        flex: 1;
        max-width: 100%;
    }

    /* Shuttle System - 섹션 간격 모바일 */
    .shuttle-features-section,
    .shuttle-system-section,
    .shuttle-software-section,
    .shuttle-benefits-section {
        margin-top: 48px;
    }

    /* Shuttle System - 메인 이미지 모바일 */
    #shuttle-system .heated-overview-image img {
        max-width: 90%;
    }

    /* Shuttle System - 본문 모바일 */
    #shuttle-system .heated-overview-text p {
        font-size: 1.125rem;
    }

    /* Shuttle System - 기능 그리드 모바일 */
    .shuttle-features-grid {
        grid-template-columns: 1fr;
        gap: 60px !important;
        max-width: 100%;
    }

    /* Shuttle System - 장점 이미지 모바일 */
    .shuttle-benefits-image {
        margin-top: 0;
    }

    /* RAMP BUS 메인 이미지 모바일 */
    #ramp-bus .rampbus-main-image img {
        max-width: 95%;
        width: 95%;
    }

    /* RAMP BUS 결선도 이미지 모바일 */
    .rampbus-wiring-image {
        width: 100%;
        max-width: 100%;
    }

    .rampbus-wiring-image img {
        width: 100%;
        max-width: 100%;
    }

    /* Shuttle System - 관리 소프트웨어 그리드 모바일 */
    .shuttle-software-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .heated-options-column {
        gap: 20px;
    }

    .heated-options-column .heated-gallery-item:first-child {
        width: 100%;
    }

    .heated-gallery-arrow {
        margin: -8px 0;
    }

    .heated-remote-grid {
        grid-template-columns: 1fr;
    }

    .heated-feature-grid {
        grid-template-columns: 1fr;
    }

    .heated-option-grid {
        grid-template-columns: 1fr;
    }

    .heated-use-images {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .heated-split {
        grid-template-columns: 1fr;
        padding: 32px;
    }

    .heated-section-head h2 {
        font-size: 2rem;
    }
}

@media (max-width: 560px) {
    .heated-overview-top {
        margin-bottom: 40px;
        gap: 32px;
    }

    .heated-overview-text h2 {
        font-size: 2rem;
    }

    .heated-overview-text .lead {
        font-size: 1rem;
    }

    .heated-overview-gallery {
        gap: 24px;
    }

    .heated-card,
    .heated-feature {
        padding: 24px;
    }

    .heated-split {
        padding: 28px;
    }
}

@media (max-width: 768px) {
    .business-hero {
        padding: 100px 0 20px 0;
    }

    .business-hero-label {
        font-size: 3rem;
        top: -40px;
        left: 35px;
    }

    .business-hero h1 {
        font-size: 2.5rem;
    }

    .business-hero p {
        font-size: 1.125rem;
    }

    .business-items {
        gap: 50px;
    }

    .business-item-image {
        padding: 40px;
        min-height: 350px;
    }

    .business-item-content {
        padding: 40px 30px;
    }

    .business-item h3 {
        font-size: 1.5rem;
    }
}

.overview-section {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    text-align: center;
}

.overview-card {
    background-color: #fff;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.overview-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
}

.overview-card h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
}

.overview-card p {
    font-size: 1rem;
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 25px;
}

.overview-card .card-link {
    display: inline-block;
    font-weight: 600;
    color: #3182ce;
    text-decoration: none;
    transition: color 0.3s ease;
}

.overview-card .card-link:hover {
    color: #2b6cb0;
}

/* Galaxy Button Effect */
:root {
    --galaxy-transition: 0.25s;
    --galaxy-spark: 1.8s;
    --galaxy-hue: 220;
}

body {
    --galaxy-active: 0;
}


.btn-primary-galaxy {
    --cut: 0.1em;
    --active: 0;
    --bg:
        radial-gradient(120% 120% at 126% 126%,
            hsl(var(--galaxy-hue) calc(var(--active) * 97%) 98% / calc(var(--active) * 0.9)) 40%,
            transparent 50%) calc(100px - (var(--active) * 100px)) 0 / 100% 100% no-repeat,
        radial-gradient(120% 120% at 120% 120%,
            hsl(var(--galaxy-hue) calc(var(--active) * 97%) 70% / calc(var(--active) * 1)) 30%,
            transparent 70%) calc(100px - (var(--active) * 100px)) 0 / 100% 100% no-repeat,
        hsl(var(--galaxy-hue) calc(var(--active) * 100%) calc(12% - (var(--active) * 8%)));
    background: var(--bg);
    font-size: 1.1rem;
    font-weight: 600;
    border: 0;
    cursor: pointer;
    padding: 14px 36px;
    display: inline-flex;
    align-items: center;
    gap: 0.25em;
    white-space: nowrap;
    border-radius: 50px;
    position: relative;
    box-shadow:
        0 0 calc(var(--active) * 3em) calc(var(--active) * 1.5em) hsl(var(--galaxy-hue) 97% 61% / 0.5),
        0 0.05em 0 0 hsl(var(--galaxy-hue) calc(var(--active) * 97%) calc((var(--active) * 50%) + 30%)) inset,
        0 -0.05em 0 0 hsl(var(--galaxy-hue) calc(var(--active) * 97%) calc(var(--active) * 10%)) inset;
    transition: box-shadow var(--galaxy-transition), transform var(--galaxy-transition), opacity var(--galaxy-transition);
    scale: calc(1 + (var(--active) * 0.1));
    transform-style: preserve-3d;
    perspective: 100vmin;
    overflow: hidden;
    text-decoration: none;
    color: hsl(0 0% calc(60% + (var(--active) * 26%)));
    will-change: transform, box-shadow, opacity;
    transform: translateZ(0);
}

.btn-primary-galaxy:active {
    scale: 1;
}

.btn-primary-galaxy .star {
    height: calc(var(--size) * 1px);
    aspect-ratio: 1;
    background: white;
    border-radius: 50%;
    position: absolute;
    opacity: var(--alpha);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(10deg) rotate(0deg) translateY(calc(var(--distance) * 1px));
    animation: galaxy-orbit calc(var(--duration) * 1s) calc(var(--delay) * -1s) infinite linear;
}

@keyframes galaxy-orbit {
    to {
        transform: translate(-50%, -50%) rotate(10deg) rotate(360deg) translateY(calc(var(--distance) * 1px));
    }
}

.btn-primary-galaxy .galaxy {
    position: absolute;
    width: 100%;
    aspect-ratio: 1;
    top: 50%;
    left: 50%;
    translate: -50% -50%;
    overflow: hidden;
    opacity: var(--active);
    transition: opacity var(--galaxy-transition);
}

.btn-primary-galaxy .galaxy__ring {
    height: 200%;
    width: 200%;
    position: absolute;
    top: 50%;
    left: 50%;
    border-radius: 50%;
    transform: translate(-28%, -40%) rotateX(-24deg) rotateY(-30deg) rotateX(90deg);
    transform-style: preserve-3d;
}

.btn-primary-galaxy .galaxy__container {
    position: absolute;
    inset: 0;
    opacity: var(--active);
    transition: opacity var(--galaxy-transition);
    mask: radial-gradient(white, transparent);
}

.btn-primary-galaxy .star--static {
    animation: none;
    top: 50%;
    left: 50%;
    transform: translate(0, 0);
    max-height: 4px;
    filter: brightness(4);
    opacity: 0.9;
    animation:
        galaxy-move-x calc(var(--duration) * 0.1s) calc(var(--delay) * -0.1s) infinite linear,
        galaxy-move-y calc(var(--duration) * 0.2s) calc(var(--delay) * -0.2s) infinite linear;
}

.btn-primary-galaxy:hover .star--static {
    animation-play-state: paused;
}

@keyframes galaxy-move-x {
    0% {
        translate: -100px 0;
    }

    100% {
        translate: 100px 0;
    }
}

@keyframes galaxy-move-y {
    0% {
        transform: translate(0, -50px);
    }

    100% {
        transform: translate(0, 50px);
    }
}

.btn-primary-galaxy .spark {
    position: absolute;
    inset: 0;
    border-radius: 50px;
    rotate: 0deg;
    overflow: hidden;
    mask: linear-gradient(white, transparent 50%);
    /* run animation only on hover to reduce idle cost */
    will-change: transform;
}

@keyframes galaxy-flip {
    to {
        rotate: 360deg;
    }
}

.btn-primary-galaxy .spark::before {
    content: "";
    position: absolute;
    width: 200%;
    aspect-ratio: 1;
    top: 0%;
    left: 50%;
    z-index: -1;
    translate: -50% -15%;
    rotate: 0;
    transform: rotate(-90deg);
    opacity: calc((var(--active)) + 0.4);
    background: conic-gradient(from 0deg,
            transparent 0 340deg,
            white 360deg);
    transition: opacity var(--galaxy-transition);
}

.btn-primary-galaxy .spark::after {
    content: "";
    position: absolute;
    inset: var(--cut);
    border-radius: 50px;
}

.btn-primary-galaxy .backdrop {
    position: absolute;
    inset: var(--cut);
    background: var(--bg);
    border-radius: 50px;
    transition: background var(--galaxy-transition);
}

@keyframes galaxy-rotate {
    to {
        transform: rotate(90deg);
    }
}

.btn-primary-galaxy:hover .spark {
    animation: galaxy-flip calc(var(--galaxy-spark) * 2) infinite steps(2, end);
}

.btn-primary-galaxy:hover .spark::before {
    animation: galaxy-rotate var(--galaxy-spark) linear infinite both;
}

.btn-primary-galaxy:hover {
    --active: 1;
}

.btn-primary-galaxy .text {
    translate: 2% calc(-6% + 1px);
    letter-spacing: 0.01ch;
    position: relative;
    z-index: 2;
    color: #ffffff;
    pointer-events: none;
}

/* Split Intro (text left, image right) */
.split-intro {
    padding: 140px 0 120px;
}

.split-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 40px;
    align-items: center;
}

.split-title {
    font-size: 44px;
    line-height: 1.2;
    font-weight: 900;
    letter-spacing: -0.01em;
    margin: 0 0 18px;
    color: #000;
}

.split-lead {
    color: var(--text-light);
    font-size: 18px;
    line-height: 1.7;
    margin: 0 0 12px;
    max-width: 56ch;
}

.split-paragraph {
    color: #000;
    margin: 0 0 12px;
}

.split-who {
    margin-top: 22px;
}

.split-who .who-kicker {
    font-weight: 800;
    letter-spacing: 0.08em;
    opacity: 0.9;
    margin: 0 0 6px;
}

.split-who .who-desc {
    color: rgba(255, 255, 255, 0.75);
}

.split-media {
    position: relative;
}

.split-media .media-main img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
}

.split-media .media-overlay {
    position: absolute;
    right: 2%;
    bottom: -6%;
    width: 48%;
    max-width: 520px;
}

.split-media .media-overlay img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

/* LED 섹션 전용 튜닝: 대표이미지 80% 정사각, 서브이미지 왼쪽 중앙 겹침 */
#split-led .split-grid .split-media {
    justify-self: end;
}

#split-led .split-media {
    width: fit-content;
}

#split-led .split-media .media-main {
    position: relative;
    display: flex;
    justify-content: flex-end;
}

#split-led .split-media .media-main img {
    width: 80%;
    aspect-ratio: 1 / 1;
    height: auto;
    object-fit: cover;
}

#split-led.split-intro.large-images .split-media .media-main img {
    max-width: 80%;
}

#split-led .split-media .media-overlay {
    left: calc(-6% + 20px);
    right: auto;
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
    width: 38%;
}

/* 버스 솔루션 섹션: 대표이미지 80% 정사각, 서브이미지 우측 중앙 겹침 */
#split-bus .split-media {
    width: fit-content;
}

#split-bus .split-media .media-main {
    position: relative;
    display: flex;
    justify-content: flex-start;
}

#split-bus .split-media .media-main img {
    width: 80%;
    aspect-ratio: 1 / 1;
    height: auto;
    object-fit: cover;
}

#split-bus.split-intro.large-images .split-media .media-main img {
    max-width: 80%;
}

#split-bus .split-media .media-overlay {
    right: calc(-6% + 30px);
    left: auto;
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
    width: 38%;
}

@media (max-width: 1024px) {
    .split-grid {
        grid-template-columns: 1fr;
    }

    .split-media .media-overlay {
        position: absolute;
        right: 4%;
        bottom: -10%;
        width: 52%;
    }

    #split-led .split-media .media-overlay {
        left: 4%;
        right: auto;
        top: auto;
        bottom: -10%;
        transform: none;
        width: 52%;
    }

    #split-bus .split-media .media-main img {
        width: 100%;
        max-width: 100%;
        aspect-ratio: auto;
    }

    #split-bus .split-media .media-overlay {
        right: 4%;
        left: auto;
        top: auto;
        bottom: -10%;
        transform: none;
        width: 52%;
    }
}

@media (max-width: 640px) {
    .split-intro {
        padding: 116px 0 100px;
    }

    .split-title {
        font-size: 32px;
    }

    .split-lead {
        font-size: 16px;
    }

    .split-media .media-overlay {
        position: static;
        width: 88%;
        margin: -24px auto 0;
    }

    #split-led .split-media .media-main img {
        width: 100%;
        max-width: 100%;
        aspect-ratio: auto;
        object-fit: cover;
    }

    #split-led .split-media .media-overlay {
        position: static;
        width: 88%;
        margin: -24px auto 0;
        transform: none;
    }

    #split-bus .split-media .media-main img {
        width: 100%;
        max-width: 100%;
        aspect-ratio: auto;
        object-fit: cover;
    }

    #split-bus .split-media .media-overlay {
        position: static;
        width: 88%;
        margin: -24px auto 0;
        transform: none;
    }
}

/* Large image variant for split sections */
.split-intro.large-images .split-media {
    margin-right: 0;
}

.split-intro.large-images .split-media .media-main img {
    width: 100%;
    max-width: 100%;
}

.split-intro.large-images .split-media .media-overlay {
    right: 2%;
    bottom: -6%;
    width: 46%;
    max-width: 520px;
}

@media (max-width: 1024px) {
    .split-intro.large-images .split-media {
        margin-right: 0;
    }

    .split-intro.large-images .split-media .media-main img {
        width: 100%;
        max-width: 100%;
    }

    .split-intro.large-images .split-media .media-overlay {
        right: 4%;
        bottom: -8%;
        width: 50%;
        max-width: 500px;
    }
}

@media (max-width: 640px) {
    .split-intro.large-images .split-media .media-overlay {
        position: static;
        width: 92%;
        margin: -20px auto 0;
    }
}

/* Reverse layout (media left, text right) */
.split-grid.reverse .split-media {
    order: 1;
}

.split-grid.reverse .split-copy {
    order: 2;
}

.split-grid.reverse .split-media .media-overlay {
    left: 2%;
    right: auto;
}

@media (max-width: 1024px) {
    .split-grid.reverse .split-media .media-overlay {
        left: 4%;
        right: auto;
    }
}

/* Portfolio strip under split sections */
.split-portfolio {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.split-portfolio img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
}

@media (max-width: 1024px) {
    .split-portfolio {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 640px) {
    .split-portfolio {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Legacy outline title */
.legacy-outline {
    width: 100%;
    margin: 0 0 20px;
    font-weight: 900;
    letter-spacing: 0.02em;
    line-height: 1;
    white-space: nowrap;
    overflow: hidden;
    font-size: clamp(36px, 14vw, 140px);
    position: relative;
    opacity: 0;
    transform: translate3d(0, 30px, 0);
    transition: opacity 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: opacity, transform;
}

.legacy-outline.animate-in {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    will-change: auto;
}

/* Glow effect behind text */
.legacy-outline::before {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    color: transparent;
    -webkit-text-stroke: 2px rgba(0, 0, 0, 0.15);
    z-index: -1;
    opacity: 0;
    transition: opacity 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.2s;
    filter: blur(4px);
    pointer-events: none;
    will-change: opacity;
    transform: translateZ(0);
}

.legacy-outline.animate-in::before {
    opacity: 1;
    animation: legacyGlow 4.5s ease-in-out infinite;
}

/* Letter-by-letter animation wrapper */
.legacy-outline span {
    display: inline-block;
    opacity: 0;
    transform: translate3d(0, 20px, 0) rotateX(90deg);
    transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        filter 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    filter: blur(3px);
    color: transparent;
    -webkit-text-stroke: 2px rgba(0, 0, 0, 0.25);
    position: relative;
    z-index: 1;
    will-change: opacity, transform, filter;
    backface-visibility: hidden;
    perspective: 1000px;
}

/* CSS transition-delay를 활용한 순차 애니메이션 */
.legacy-outline.animate-in span {
    opacity: 1 !important;
    transform: translate3d(0, 0, 0) rotateX(0deg) !important;
    filter: blur(0) !important;
    will-change: auto;
    -webkit-text-stroke: 2px rgba(0, 0, 0, 0.25);
    animation: legacyStrokePulse 4.5s ease-in-out infinite;
}

.legacy-outline.animate-in span:nth-child(odd) {
    animation-delay: 0s;
}

.legacy-outline.animate-in span:nth-child(even) {
    animation-delay: 0.25s;
}

/* Stroke pulse animation */
@keyframes legacyStrokePulse {

    0%,
    100% {
        -webkit-text-stroke: 2px rgba(0, 0, 0, 0.25);
    }

    50% {
        -webkit-text-stroke: 2px rgba(0, 0, 0, 0.35);
    }
}

/* Glow animation */
@keyframes legacyGlow {

    0%,
    100% {
        opacity: 0.4;
        filter: blur(3px);
        transform: scale(1.02);
    }

    50% {
        opacity: 0.7;
        filter: blur(5px);
        transform: scale(1.05);
    }
}

/* Enhanced stroke animation */
@keyframes legacyStrokeDraw {
    0% {
        stroke-dasharray: 0 1000;
        stroke-dashoffset: 0;
    }

    100% {
        stroke-dasharray: 1000 0;
        stroke-dashoffset: 0;
    }
}

@media (max-width: 640px) {
    .legacy-outline {
        -webkit-text-stroke: 1.5px rgba(0, 0, 0, 0.25);
        transform: translateY(30px);
    }

    .legacy-outline span {
        transform: translateY(20px) rotateX(90deg);
    }
}

/* ========================================
   Business Category Hero Banner (All Business Pages)
   ======================================== */
.business-category-hero {
    background: url('images/bg/banner/business.webp') center/cover no-repeat;
    padding: 140px 0 60px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.business-category-hero .container {
    position: relative;
    z-index: 2;
}

.business-category-hero .business-label {
    display: inline-block;
    font-size: 1rem;
    font-weight: 600;
    color: #ef4444;
    opacity: 0.85;
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}

.business-category-hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -1px;
    color: #ffffff;
}

.business-category-hero p {
    font-size: 1.3rem;
    color: #ffffff;
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
}

@media (max-width: 1024px) {
    .business-category-hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .business-category-hero {
        padding: 120px 0 50px;
    }

    .business-category-hero h1 {
        font-size: 2.5rem;
    }

    .business-category-hero p {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .business-category-hero h1 {
        font-size: 2rem;
    }

    .business-category-hero .business-label {
        font-size: 0.9rem;
    }
}

/* ========================================
   Product Line Section (Heated Seat Page)
   ======================================== */
.product-line-section {
    position: relative;
    width: 100%;
    padding: 80px 0 140px;
    background: #ffffff;
    overflow: hidden;
}

/* 온열의자 페이지만 하단 여백 증가 */
body.heated-seat-page .product-line-section {
    padding-bottom: 250px;
}

.product-line-watermark {
    position: absolute;
    top: 25%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: clamp(100px, 18vw, 350px);
    font-weight: 900;
    color: rgba(0, 0, 0, 0.02);
    letter-spacing: -0.05em;
    white-space: nowrap;
    pointer-events: none;
    z-index: 0;
}

.product-line-container {
    max-width: 1920px;
    /* 1800px에서 1920px로 증가하여 더 넓게 */
    margin: 0 auto;
    padding: 0 60px;
}

.product-line-layout {
    position: relative;
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 100px;
    align-items: center;
    z-index: 1;
}

/* product-cards-triple이 있을 때 6.5:3.5 비율로 조절 */
.product-line-layout:has(.product-cards-triple) {
    grid-template-columns: 6.5fr 3.5fr;
    /* 이미지 6.5, 텍스트 3.5 */
    gap: 100px;
}

/* Left Side: Overlapping Product Cards */
.product-cards-area {
    position: relative;
    height: auto;
    aspect-ratio: 1.4;
    padding: 20px;
}

/* product-cards-quintuple이 있을 때 flex 레이아웃으로 변경 - 위 3개, 아래 2개 배치 */
.product-cards-area.product-cards-quintuple {
    height: auto;
    min-height: 880px;
    padding: 20px;
    /* 30px에서 20px로 줄여서 공간 확보 */
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: flex-start;
    align-content: flex-start;
    gap: 15px;
    /* 30px에서 25px로 더 줄여서 첫 줄에 3개가 확실히 들어가도록 */
    width: 100%;
    max-width: 100%;
    /* max-width 제한 제거하고 100% 사용 */
    margin: 0 auto;
    position: relative;
    aspect-ratio: auto;
}

.product-card-large {
    position: absolute;
    width: 42%;
    height: auto;
    aspect-ratio: 4 / 5;
    background: #fff;
    border-radius: 0;
    overflow: visible;
    /* 강하게 보이는 3중 그림자 (카드 전체에 적용) */
    box-shadow:
        0 32px 90px rgba(0, 0, 0, 0.45),
        0 16px 48px rgba(0, 0, 0, 0.32),
        0 4px 18px rgba(0, 0, 0, 0.22);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.product-card-large:hover {
    transform: scale(1.05) rotate(-1deg);
    box-shadow:
        0 40px 110px rgba(0, 0, 0, 0.5),
        0 20px 60px rgba(0, 0, 0, 0.35),
        0 6px 22px rgba(0, 0, 0, 0.25);
    z-index: 10;
}

.product-card-large.card-primary {
    top: 0;
    left: 0;
    z-index: 2;
}

.product-card-large.card-secondary {
    top: 15%;
    left: 35%;
    right: auto;
    z-index: 1;
}

.product-card-large.card-secondary .product-card-overlay {
    text-align: right;
}

.product-card-large.card-tertiary .product-card-overlay {
    text-align: right;
}

.product-card-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    aspect-ratio: 4 / 5;
    /* Explicit ratio for space reservation */
}

.product-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.6) 60%, transparent 100%);
    color: #fff;
    transform: translateY(0);
    transition: all 0.3s ease;
}

.product-card-large:hover .product-card-overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.75) 60%, transparent 100%);
}

.product-card-overlay h3 {
    font-size: 26px;
    font-weight: 700;
    margin: 0 0 24px;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.product-more-btn {
    display: inline-block;
    padding: 12px 28px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 8px;
    color: #fff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
}

.product-more-btn:hover {
    background: rgba(255, 255, 255, 0.35);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateX(4px);
}

/* Right Side: Title & Description */
.product-line-text {
    padding: 40px 40px 40px 0;
}

/* systems.html과 cleaning_vehicle.html에만 적용: 텍스트 섹션 중앙 정렬 및 오른쪽 여백 확보 */
.systems-page .product-line-section {
    padding-bottom: 80px;
}

.systems-page .product-line-container {
    padding-right: 100px;
}

.systems-page .product-line-text {
    padding-left: 0;
    padding-right: 100px;
}

.product-line-title {
    font-size: clamp(32px, 7vw, 88px);
    font-weight: 900;
    line-height: 1.1;
    margin: 0 0 20px;
    color: #1a2b5e;
    letter-spacing: -0.03em;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.product-line-subtitle {
    font-size: clamp(18px, 2.5vw, 26px);
    font-weight: 600;
    margin: 0 0 32px;
    color: #6b7280;
    letter-spacing: 0.05em;
}

.product-line-desc {
    font-size: clamp(14px, 2.2vw, 18px);
    line-height: 1.8;
    color: #4b5563;
    margin: 0;
    font-weight: 400;
    letter-spacing: -0.01em;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.desktop-br {
    display: block;
}

@media (max-width: 768px) {
    .desktop-br {
        display: none;
    }
}

/* ========================================
   Patent Section (Heated Seat Page)
   ======================================== */
.heated-patent-section {
    position: relative;
    padding: 100px 0;
    background: #f8f9fa;
    overflow: hidden;
}

.heated-patent-watermark {
    position: absolute;
    top: 25%;
    left: 0;
    right: 0;
    width: 100%;
    transform: translate3d(-50px, -50%, 0);
    font-size: clamp(140px, 25vw, 500px);
    font-weight: 900;
    color: rgba(150, 150, 150, 0.07);
    letter-spacing: -0.05em;
    white-space: nowrap;
    pointer-events: none;
    z-index: 0;
    font-family: 'Pretendard', sans-serif;
    text-align: center;
    padding: 0 20px;
    box-sizing: border-box;
    -webkit-font-smoothing: subpixel-antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    backface-visibility: hidden;
    -webkit-transform: translate3d(-50px, -50%, 0);
    will-change: transform;
}

.heated-patent-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 80px;
    align-items: start;
    max-width: 1400px;
    margin: 0 auto;
}

.heated-patent-main {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.heated-patent-title {
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 700;
    color: #1a2b5e;
    margin: 0 0 40px 0;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.heated-patent-gradient {
    background: linear-gradient(135deg, #E65100 0%, #FF6F00 50%, #FF8F00 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.heated-patent-info {
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 24px 0;
    border-bottom: 1px solid #e2e8f0;
}

.heated-patent-label {
    font-size: 24px;
    font-weight: 600;
    color: #4b5563;
    min-width: 240px;
}

.heated-patent-number {
    font-size: 28px;
    font-weight: 700;
    color: #1a2b5e;
    font-family: 'Courier New', monospace;
    letter-spacing: 0.05em;
}

.heated-patent-images {
    display: flex;
    gap: 12px;
    justify-content: center;
    max-width: 100%;
    margin: 0 auto;
}

.heated-patent-image-item {
    flex: 1;
    min-width: 0;
    background: #ffffff;
    border-radius: 0;
    padding: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}


.heated-patent-image-item img {
    width: 100%;
    height: auto;
    border-radius: 0;
    display: block;
    max-width: 100%;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .heated-patent-content {
        gap: 60px;
    }
}

@media (max-width: 1024px) {
    .heated-patent-section {
        padding: 80px 0;
    }

    .heated-patent-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .heated-patent-main {
        order: 2;
    }

    .heated-patent-images {
        order: 1;
    }
}

@media (max-width: 768px) {
    .heated-patent-section {
        padding: 60px 0;
    }

    .heated-patent-title {
        font-size: clamp(32px, 6vw, 48px);
        margin-bottom: 32px;
    }

    .heated-patent-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .heated-patent-label {
        min-width: auto;
        font-size: 20px;
    }

    .heated-patent-number {
        font-size: 24px;
    }

    .heated-patent-images {
        max-width: 100%;
    }
}

@media (max-width: 1600px) {
    .product-line-container {
        max-width: 1500px;
        padding: 0 50px;
    }

    .product-card-large {
        width: 450px;
        height: 550px;
    }

    .product-cards-area {
        height: 650px;
    }

    .product-card-large.card-secondary {
        top: 110px;
        right: -25px;
    }
}

@media (max-width: 1400px) {
    .product-line-container {
        padding: 0 40px;
    }

    .product-line-layout {
        gap: 80px;
    }

    /* product-cards-triple이 있을 때 6.5:3.5 비율 유지 */
    .product-line-layout:has(.product-cards-triple) {
        grid-template-columns: 6.5fr 3.5fr;
        /* 이미지 6.5, 텍스트 3.5 */
        gap: 90px;
    }

    .product-card-large {
        width: 400px;
        height: 500px;
    }

    /* 1400px 이하에서도 product-cards-triple은 250px 유지 (1800px 규칙 유지) */
    .product-cards-triple .product-card-large {
        width: 250px !important;
        height: 310px !important;
    }

    .product-cards-area {
        height: 600px;
    }

    .product-card-large.card-secondary {
        top: 100px;
        right: -20px;
    }

    .product-card-overlay h3 {
        font-size: 24px;
    }
}

@media (max-width: 1200px) {
    .product-line-container {
        padding: 0 30px;
    }

    .product-line-layout {
        gap: 70px;
    }

    /* product-cards-triple이 있을 때 6.5:3.5 비율 유지 */
    .product-line-layout:has(.product-cards-triple) {
        grid-template-columns: 6.5fr 3.5fr;
        /* 이미지 6.5, 텍스트 3.5 */
        gap: 80px;
    }

    .product-card-large {
        width: 350px;
        height: 450px;
    }

    /* 1200px 이하에서도 product-cards-triple은 250px 유지 (1800px 규칙 유지) */
    .product-cards-triple .product-card-large {
        width: 250px !important;
        height: 310px !important;
    }

    .product-cards-area {
        height: 550px;
    }

    .product-card-large.card-secondary {
        top: 90px;
        right: -15px;
    }

    .product-card-overlay {
        padding: 32px;
    }

    .product-card-overlay h3 {
        font-size: 22px;
        margin-bottom: 20px;
    }
}

@media (max-width: 1024px) {
    .product-line-section {
        padding: 70px 0 120px;
    }

    .product-line-container {
        padding: 0 30px;
    }

    .product-line-layout {
        grid-template-columns: 1fr;
        gap: 80px;
    }

    .product-line-text {
        padding: 20px 15px;
        text-align: center;
        order: -1;
        max-width: 100%;
        box-sizing: border-box;
    }

    .product-line-title {
        font-size: clamp(32px, 5vw, 56px);
    }

    .product-line-subtitle {
        font-size: clamp(14px, 2.2vw, 22px);
    }

    .product-line-desc {
        font-size: clamp(13px, 2vw, 18px);
    }

    .product-line-container {
        padding: 0 20px;
    }

    .product-cards-area {
        height: 520px;
        margin: 0 auto;
        max-width: 550px;
    }

    .product-card-large {
        width: 320px;
        height: 420px;
    }

    .product-card-large.card-secondary {
        top: 80px;
        right: -20px;
    }

    .product-card-overlay h3 {
        font-size: 20px;
    }

    /* product-cards-triple 반응형 수정 */
    .product-cards-triple {
        height: auto;
        gap: 20px;
        justify-content: center;
        flex-wrap: wrap;
        min-height: 300px;
    }

    /* 1024px 이하에서 product-cards-triple은 200px 적용 (위의 1024px 미디어 쿼리에서 설정) */

    .product-cards-triple .product-card-large.card-secondary {
        top: 15px;
    }

    .product-cards-triple .product-card-large.card-tertiary {
        top: 30px;
    }
}

@media (max-width: 768px) {
    .product-line-section {
        padding: 50px 0 80px;
    }

    .product-line-watermark {
        font-size: clamp(60px, 20vw, 150px);
    }

    .product-cards-area {
        height: 400px;
        padding: 10px;
    }

    .product-card-large {
        width: 240px;
        height: 320px;
        border-radius: 0;
    }

    .product-card-large.card-secondary {
        top: 30px;
        right: 20px;
    }

    .product-card-overlay {
        padding: 20px;
    }

    .product-card-overlay h3 {
        font-size: 16px;
        margin-bottom: 15px;
    }

    .product-more-btn {
        padding: 8px 18px;
        font-size: 11px;
    }

    .product-line-title {
        font-size: clamp(28px, 6vw, 48px);
    }

    .product-line-subtitle {
        font-size: clamp(14px, 2.5vw, 20px);
    }

    .product-line-desc {
        font-size: clamp(13px, 2.2vw, 17px);
        line-height: 1.6;
    }

    .product-line-text {
        padding: 20px 15px;
        max-width: 100%;
        box-sizing: border-box;
    }

    .product-line-container {
        padding: 0 20px;
    }
}

@media (max-width: 640px) {
    .product-line-section {
        padding: 50px 0 60px;
    }

    .product-line-layout {
        gap: 50px;
    }

    .product-cards-area {
        height: 350px;
        max-width: 100%;
    }

    .product-card-large {
        width: 200px;
        height: 280px;
        border-radius: 0;
    }

    .product-card-large.card-primary {
        left: 10px;
    }

    .product-card-large.card-secondary {
        top: 25px;
        right: 15px;
    }

    .product-card-overlay {
        padding: 15px;
    }

    .product-card-overlay h3 {
        font-size: 14px;
        margin-bottom: 12px;
    }

    .product-more-btn {
        padding: 6px 14px;
        font-size: 10px;
    }

    .product-line-text {
        padding: 10px;
    }

    .product-line-title {
        font-size: 40px;
        margin-bottom: 16px;
    }

    .product-line-subtitle {
        font-size: 16px;
        margin-bottom: 24px;
    }

    .product-line-desc {
        font-size: 16px;
        line-height: 1.7;
    }

    /* product-cards-triple 반응형 수정 */
    .product-cards-triple {
        height: auto;
        min-height: 330px;
        gap: 15px;
        justify-content: center;
        flex-wrap: wrap;
        padding: 10px 5px;
    }

    .product-cards-triple .product-card-large {
        width: calc(50% - 8px);
        min-width: 150px;
        max-width: 180px;
        height: 270px;
        flex-shrink: 1;
    }

    .product-cards-triple .product-card-large.card-secondary {
        top: 8px;
    }

    .product-cards-triple .product-card-large.card-tertiary {
        top: 16px;
        width: calc(100% - 10px);
        max-width: 200px;
    }
}

/* Solution Navigation Tabs */
.solution-nav-tabs {
    position: sticky;
    top: 80px;
    z-index: 100;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    padding: 16px 0;
    transition: all 0.3s ease;
    margin-top: 0;
}

.solution-nav-tabs .container {
    display: flex;
    justify-content: center;
    gap: 8px;
}

.solution-tab {
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 500;
    color: rgba(0, 0, 0, 0.6);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.solution-tab:hover {
    color: rgba(0, 0, 0, 0.9);
    background: rgba(0, 0, 0, 0.04);
}

.solution-tab.active {
    color: #000;
    background: rgba(0, 0, 0, 0.06);
    font-weight: 600;
}

.solution-tab.active::after {
    content: '';
    position: absolute;
    bottom: -17px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: #000;
}

/* Triple Product Cards Layout - LED 전광판처럼 flex-wrap 사용 */
.product-cards-triple {
    height: auto;
    min-height: 490px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 25px;
    padding: 20px;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    position: relative;
}

.product-cards-triple .product-card-large {
    position: relative;
    width: 310px;
    height: 385px;
    flex-shrink: 1;
}

.product-cards-triple .product-card-large.card-primary {
    top: 0;
    left: 0;
    z-index: 3;
}

.product-cards-triple .product-card-large.card-secondary {
    top: 15px;
    left: 0;
    z-index: 2;
}

.product-cards-triple .product-card-large.card-tertiary {
    top: 30px;
    left: 0;
    z-index: 1;
}

/* 1024px ~ 1800px: 카드 크기 250px */
@media (max-width: 1800px) {
    .product-cards-triple .product-card-large {
        width: 250px !important;
        height: 310px !important;
        /* 비율 유지: 410 * 250 / 330 ≈ 310px */
    }

    .product-cards-triple {
        gap: 25px;
        min-height: 350px;
    }

    .product-cards-triple .product-card-large.card-secondary {
        top: 18px;
    }

    .product-cards-triple .product-card-large.card-tertiary {
        top: 35px;
    }
}

/* 1024px ~ 1800px: 카드 타이틀 줄바꿈 */
.responsive-br {
    display: none;
}

@media (min-width: 1024px) and (max-width: 1800px) {
    .responsive-br {
        display: block;
    }
}

/* 1024px 이하: 카드 크기 200px */
@media (max-width: 1024px) {
    .product-cards-triple .product-card-large {
        width: 200px !important;
        height: 248px !important;
        /* 비율 유지: 410 * 200 / 330 ≈ 248px */
    }

    .product-cards-triple {
        gap: 20px;
        min-height: 300px;
    }

    .product-cards-triple .product-card-large.card-secondary {
        top: 15px;
    }

    .product-cards-triple .product-card-large.card-tertiary {
        top: 30px;
    }
}

@media (max-width: 768px) {
    .solution-nav-tabs {
        padding: 12px 0;
    }

    .solution-nav-tabs .container {
        flex-wrap: wrap;
        gap: 6px;
    }

    .solution-tab {
        padding: 10px 16px;
        font-size: 14px;
    }

    .solution-tab.active::after {
        display: none;
    }

    /* 768px 이하에서도 1024px 규칙(200px) 유지 */
    .product-cards-triple {
        gap: 20px;
        max-width: 100%;
        padding: 20px;
        min-height: 300px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .product-cards-triple .product-card-large.card-secondary {
        top: 15px;
    }

    .product-cards-triple .product-card-large.card-tertiary {
        top: 30px;
    }
}

@media (max-width: 576px) {
    .solution-tab {
        padding: 8px 12px;
        font-size: 13px;
    }

    /* 576px 이하에서도 1024px 규칙(200px) 유지 */
    .product-cards-triple {
        gap: 20px;
        padding: 15px;
        min-height: 300px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .product-cards-triple .product-card-large.card-secondary {
        top: 15px;
    }

    .product-cards-triple .product-card-large.card-tertiary {
        top: 30px;
    }
}

/* Quintuple Product Cards Layout - LED 전광판 페이지 전용 */
/* 위 3개, 아래 2개 배치 + 자연스러운 오르락 내리락 */
/* 3개 카드와 동일한 크기로 설정 */
.product-cards-quintuple .product-card-large {
    position: relative !important;
    width: 330px !important;
    /* 3개 카드와 동일: 330px */
    height: 410px !important;
    /* 3개 카드와 동일: 410px */
    flex-shrink: 0;
}

/* 첫 번째 행: 3개 카드 - 정렬된 배치 */
.product-cards-area.product-cards-quintuple .product-card-large.card-primary,
.product-cards-quintuple .product-card-large.card-primary {
    top: 0;
    left: 0;
    z-index: 5;
    order: 1;
}

.product-cards-area.product-cards-quintuple .product-card-large.card-secondary,
.product-cards-quintuple .product-card-large.card-secondary {
    top: 15px;
    left: 0;
    z-index: 4;
    order: 2;
}

.product-cards-area.product-cards-quintuple .product-card-large.card-tertiary,
.product-cards-quintuple .product-card-large.card-tertiary {
    top: 30px;
    left: 0;
    z-index: 3;
    order: 3;
}

/* 두 번째 행: 2개 카드 - 첫 번째 행 아래에 정렬된 배치 */
.product-cards-area.product-cards-quintuple .product-card-large.card-quaternary,
.product-cards-quintuple .product-card-large.card-quaternary {
    top: 15px;
    left: 0;
    margin-left: 172px;
    /* (330*3 + 15*2 - 330*2 - 15) / 2 = (1020 - 675) / 2 = 172.5 -> 172px */
    z-index: 2;
    order: 4;
    width: 330px !important;
    /* 3개 카드와 동일 */
}

.product-cards-area.product-cards-quintuple .product-card-large.card-quinary,
.product-cards-quintuple .product-card-large.card-quinary {
    top: 30px;
    left: 0;
    margin-left: 0;
    z-index: 1;
    order: 5;
    width: 330px !important;
    /* 3개 카드와 동일 */
}

/* 1024px ~ 1800px: 3개 카드와 동일하게 250px */
@media (max-width: 1800px) {

    .product-cards-area.product-cards-quintuple .product-card-large,
    .product-cards-quintuple .product-card-large {
        width: 250px !important;
        height: 310px !important;
        /* 3개 카드와 동일 */
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quaternary,
    .product-cards-quintuple .product-card-large.card-quaternary {
        width: 250px !important;
        margin-left: 132px;
        /* (250*3 + 15*2 - 250*2 - 15) / 2 = (780 - 515) / 2 = 132.5 -> 132px */
        /* 3개 카드와 동일 */
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quinary,
    .product-cards-quintuple .product-card-large.card-quinary {
        width: 250px !important;
        /* 3개 카드와 동일 */
    }
}

@media (max-width: 1400px) {
    .product-cards-area.product-cards-quintuple {
        gap: 25px;
        max-width: 100%;
        padding: 20px;
        min-height: 830px;
    }

    /* 1400px 이하: 220px로 축소 */
    .product-cards-area.product-cards-quintuple .product-card-large,
    .product-cards-quintuple .product-card-large {
        width: 220px !important;
        height: 273px !important;
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quaternary,
    .product-cards-quintuple .product-card-large.card-quaternary {
        width: 220px !important;
        top: -12px;
        margin-left: 118px;
        /* (220*3 + 15*2 - 220*2 - 15) / 2 = (690 - 455) / 2 = 117.5 -> 118px */
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quinary,
    .product-cards-quintuple .product-card-large.card-quinary {
        width: 220px !important;
        top: 0px;
        margin-left: 0;
    }
}

/* 1024px 이하: 3개 카드와 동일하게 200px */
@media (max-width: 1024px) {

    .product-cards-area.product-cards-quintuple .product-card-large,
    .product-cards-quintuple .product-card-large {
        width: 200px !important;
        height: 248px !important;
        /* 3개 카드와 동일 */
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quaternary,
    .product-cards-quintuple .product-card-large.card-quaternary {
        width: 200px !important;
        /* 3개 카드와 동일 */
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quinary,
    .product-cards-quintuple .product-card-large.card-quinary {
        width: 200px !important;
        /* 3개 카드와 동일 */
    }
}

@media (max-width: 1200px) {
    .product-cards-area.product-cards-quintuple {
        gap: 25px;
        max-width: 100%;
        padding: 20px;
        min-height: 780px;
    }

    /* 1200px 이하에서도 1400px 규칙(220px) 유지 */
    .product-cards-area.product-cards-quintuple .product-card-large,
    .product-cards-quintuple .product-card-large {
        width: 220px !important;
        height: 273px !important;
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quaternary,
    .product-cards-quintuple .product-card-large.card-quaternary {
        width: 220px !important;
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quinary,
    .product-cards-quintuple .product-card-large.card-quinary {
        width: 220px !important;
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-secondary,
    .product-cards-quintuple .product-card-large.card-secondary {
        top: 22px;
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-tertiary,
    .product-cards-quintuple .product-card-large.card-tertiary {
        top: 8px;
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quaternary,
    .product-cards-quintuple .product-card-large.card-quaternary {
        top: -12px;
        margin-left: 118px;
        /* 우측으로 110px 이동 (왼쪽으로 10px 이동) */
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quinary,
    .product-cards-quintuple .product-card-large.card-quinary {
        width: 220px !important;
        top: 0px;
        margin-left: 0;
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quinary,
    .product-cards-quintuple .product-card-large.card-quinary {
        top: -2px;
        /* 10px에서 -2px로 변경 (위로 12px 이동) */
        margin-left: 110px;
        /* 우측으로 110px 이동 (왼쪽으로 10px 이동) */
    }
}

@media (max-width: 992px) {
    .product-cards-area.product-cards-quintuple {
        gap: 22px;
        max-width: 920px;
        min-height: 720px;
    }

    /* 992px 이하에서도 200px 유지 (1024px 규칙 유지) */
    .product-cards-area.product-cards-quintuple .product-card-large,
    .product-cards-quintuple .product-card-large {
        width: 200px !important;
        height: 248px !important;
        /* 3개 카드와 동일 */
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quaternary,
    .product-cards-quintuple .product-card-large.card-quaternary {
        width: 200px !important;
        /* 3개 카드와 동일 */
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quinary,
    .product-cards-quintuple .product-card-large.card-quinary {
        width: 200px !important;
        /* 3개 카드와 동일 */
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-secondary,
    .product-cards-quintuple .product-card-large.card-secondary {
        top: 18px;
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-tertiary,
    .product-cards-quintuple .product-card-large.card-tertiary {
        top: 5px;
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quaternary,
    .product-cards-quintuple .product-card-large.card-quaternary {
        top: -8px;
        margin-left: 110px;
        /* 우측으로 110px 이동 (왼쪽으로 10px 이동) */
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quinary,
    .product-cards-quintuple .product-card-large.card-quinary {
        top: -4px;
        /* 8px에서 -4px로 변경 (위로 12px 이동) */
        margin-left: 110px;
        /* 우측으로 110px 이동 (왼쪽으로 10px 이동) */
    }
}

@media (max-width: 768px) {
    .product-cards-area.product-cards-quintuple {
        gap: 18px;
        max-width: 100%;
        padding: 20px;
        min-height: 660px;
        flex-wrap: wrap;
        justify-content: center;
    }

    /* 768px 이하에서도 200px 유지 (1024px 규칙 유지) */
    .product-cards-area.product-cards-quintuple .product-card-large,
    .product-cards-quintuple .product-card-large {
        width: 200px !important;
        height: 248px !important;
        /* 3개 카드와 동일 */
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quaternary,
    .product-cards-quintuple .product-card-large.card-quaternary {
        width: 200px !important;
        /* 3개 카드와 동일 */
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quinary,
    .product-cards-quintuple .product-card-large.card-quinary {
        width: 200px !important;
        /* 3개 카드와 동일 */
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-secondary,
    .product-cards-quintuple .product-card-large.card-secondary {
        top: 15px;
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-tertiary,
    .product-cards-quintuple .product-card-large.card-tertiary {
        top: 4px;
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quaternary,
    .product-cards-quintuple .product-card-large.card-quaternary {
        top: -6px;
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quinary,
    .product-cards-quintuple .product-card-large.card-quinary {
        top: -6px;
        /* 6px에서 -6px로 변경 (위로 12px 이동) */
    }
}

@media (max-width: 576px) {
    .product-cards-area.product-cards-quintuple {
        gap: 15px;
        padding: 15px;
        min-height: 600px;
    }

    /* 576px 이하에서도 200px 유지 (1024px 규칙 유지) */
    .product-cards-area.product-cards-quintuple .product-card-large,
    .product-cards-quintuple .product-card-large {
        width: 200px !important;
        height: 248px !important;
        /* 3개 카드와 동일 */
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quaternary,
    .product-cards-quintuple .product-card-large.card-quaternary {
        width: 200px !important;
        /* 3개 카드와 동일 */
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quinary,
    .product-cards-quintuple .product-card-large.card-quinary {
        width: 200px !important;
        /* 3개 카드와 동일 */
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-secondary,
    .product-cards-quintuple .product-card-large.card-secondary {
        top: 12px;
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-tertiary,
    .product-cards-quintuple .product-card-large.card-tertiary {
        top: 3px;
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quaternary,
    .product-cards-quintuple .product-card-large.card-quaternary {
        top: -5px;
    }

    .product-cards-area.product-cards-quintuple .product-card-large.card-quinary,
    .product-cards-quintuple .product-card-large.card-quinary {
        top: -7px;
        /* 5px에서 -7px로 변경 (위로 12px 이동) */
    }
}

/* BIT Installation Cases Section */
.bit-installation-cases {
    padding: 20px 0 60px 0;
}

.bit-installation-cases .heated-overview-gallery {
    gap: 60px !important;
}

.bit-installation-cases .heated-gallery-section-options {
    margin-top: 60px !important;
}

.bit-installation-cases .heated-gallery-section-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    row-gap: 24px;
    column-gap: 150px;
    max-width: 1000px;
    margin: 0 auto;
}

.bit-installation-cases .heated-gallery-section-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    row-gap: 24px;
    column-gap: 72px;
    max-width: 1600px;
    margin: 0 auto;
}

.bit-installation-cases .heated-gallery-section-features .heated-gallery-label,
.bit-installation-cases .heated-gallery-section-options .heated-gallery-label {
    grid-column: 1 / -1;
    margin-bottom: 0;
}

.bit-installation-cases .bit-case-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.bit-installation-cases .bit-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.bit-installation-cases .bit-case-card .heated-gallery-item {
    width: 100%;
    max-width: 100%;
    margin: 0;
    border-radius: 0;
}

.bit-installation-cases .bit-case-card .heated-gallery-item img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    display: block;
}

.bit-installation-cases .bit-case-info {
    padding: 24px;
    flex: 1;
}

.bit-installation-cases .bit-case-info h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #000;
}

.bit-installation-cases .bit-case-subtitle {
    font-size: 14px;
    color: rgba(0, 0, 0, 0.5);
    margin-bottom: 16px;
    font-weight: 500;
}

.bit-installation-cases .bit-case-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.bit-installation-cases .bit-case-features li {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(0, 0, 0, 0.7);
    padding-left: 20px;
    position: relative;
    margin-bottom: 8px;
}

.bit-installation-cases .bit-case-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #1e3a8a;
    font-weight: 600;
    font-size: 16px;
}

@media (max-width: 768px) {
    .bit-installation-cases .heated-overview-gallery {
        gap: 40px !important;
    }

    .bit-installation-cases .heated-gallery-section-options {
        margin-top: 40px;
    }

    .bit-installation-cases .heated-gallery-section-features,
    .bit-installation-cases .heated-gallery-section-options {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 100%;
    }

    .bit-installation-cases .bit-case-card .heated-gallery-item img {
        max-height: 300px;
    }

    .bit-installation-cases .bit-case-info {
        padding: 20px;
    }

    .bit-installation-cases .bit-case-info h3 {
        font-size: 18px;
    }

    .bit-installation-cases .bit-case-features li {
        font-size: 13px;
    }
}

/* ========================================
   Accessible Stop Section Styles
   ======================================== */
.accessible-stop-gallery {
    padding: 20px 0 60px 0;
}

.accessible-stop-gallery .heated-gallery-section-features {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 40px;
}

.accessible-stop-gallery .heated-gallery-section-features .heated-gallery-label {
    margin-bottom: 1px;
}

.bit-display-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.accessible-stop-gallery .bit-case-card {
    display: flex;
    flex-direction: column;
}

.accessible-stop-gallery .bit-case-card .heated-gallery-item {
    width: 100%;
    margin-bottom: 20px;
}

.accessible-stop-gallery .bit-case-card .heated-gallery-item img {
    width: 100%;
    max-height: 450px;
    object-fit: contain;
}

.accessible-stop-gallery .bit-case-card .bit-case-info {
    text-align: center;
}

.accessible-stop-gallery .bit-case-card .bit-case-info h3 {
    font-size: 16px;
    font-weight: 500;
    color: #334155;
    margin: 0;
}

.accessible-stop-sw {
    padding: 20px 0 60px 0;
}

.accessible-stop-sw .heated-gallery-section-features {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 40px;
    box-sizing: border-box;
}

.accessible-stop-sw .heated-gallery-section-features .heated-gallery-label {
    margin-bottom: 1px !important;
}

.accessible-sw-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 0;
    margin-bottom: 40px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.accessible-sw-grid .heated-gallery-item {
    width: 100%;
}

.accessible-sw-grid .heated-gallery-item img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
}

.accessible-sw-features {
    padding: 30px;
    background: #f8f9fa;
    border-radius: 12px;
    max-width: 1200px;
    margin: 0 auto;
}

.accessible-sw-features h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #000;
}

.accessible-sw-features>p {
    font-size: 16px;
    line-height: 1.7;
    color: #475569;
    margin-bottom: 24px;
}

.accessible-sw-features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.accessible-sw-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.accessible-sw-features ul>li {
    font-size: 15px;
    line-height: 1.8;
    color: #334155;
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
}

.accessible-sw-features ul>li::before {
    content: '▷';
    position: absolute;
    left: 0;
    color: #1e3a8a;
    font-weight: 600;
}

.accessible-sw-features ul>li ul {
    margin-top: 8px;
    margin-left: 20px;
}

.accessible-sw-features ul>li ul li {
    font-size: 14px;
    color: #64748b;
    padding-left: 20px;
    position: relative;
}

.accessible-sw-features ul>li ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #1e3a8a;
}

@media (max-width: 1200px) {
    .accessible-stop-gallery .heated-gallery-section-features {
        padding: 0 30px;
    }

    .bit-display-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .accessible-stop-gallery .bit-case-card .heated-gallery-item img {
        max-height: 350px;
    }
}

@media (max-width: 768px) {
    .accessible-stop-gallery .heated-gallery-section-features {
        padding: 0 20px;
    }

    .bit-display-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .accessible-stop-gallery .bit-case-card .heated-gallery-item img {
        max-height: 300px;
    }

    .accessible-stop-sw .heated-gallery-section-features {
        width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 0 30px;
    }

    .accessible-sw-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }


    .accessible-sw-features {
        padding: 20px;
        max-width: 100%;
    }

    .accessible-sw-features h3 {
        font-size: 20px;
    }

    .accessible-sw-features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

.bit-cases-header {
    text-align: center;
    margin-bottom: 60px;
}

.bit-cases-header .section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(0, 0, 0, 0.5);
    margin-bottom: 12px;
}

.bit-cases-header h2 {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    color: #000;
}

.bit-cases-header p {
    font-size: 18px;
    color: rgba(0, 0, 0, 0.6);
    max-width: 600px;
    margin: 0 auto;
}

.bit-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.bit-case-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.bit-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.bit-case-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    background: #f5f5f5;
}

.bit-case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.bit-case-card:hover .bit-case-image img {
    transform: scale(1.05);
}

.bit-case-content {
    padding: 32px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.bit-case-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #000;
}

.bit-case-location {
    font-size: 15px;
    color: rgba(0, 0, 0, 0.5);
    margin-bottom: 20px;
    font-weight: 500;
}

.bit-case-features {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.bit-case-features li {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(0, 0, 0, 0.7);
    padding-left: 24px;
    position: relative;
    margin-bottom: 12px;
}

.bit-case-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #1e3a8a;
    font-weight: 600;
    font-size: 16px;
}

@media (max-width: 992px) {
    .bit-cases-section {
        padding: 80px 0;
    }

    .bit-cases-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .bit-case-image {
        height: 250px;
    }

    .bit-case-content {
        padding: 24px;
    }

    .bit-cases-header h2 {
        font-size: 36px;
    }
}

@media (max-width: 768px) {
    .bit-cases-section {
        padding: 60px 0;
    }

    .bit-cases-header {
        margin-bottom: 40px;
    }

    .bit-cases-header h2 {
        font-size: 32px;
    }

    .bit-cases-header p {
        font-size: 16px;
    }

    .bit-case-image {
        height: 200px;
    }

    .bit-case-content h3 {
        font-size: 20px;
    }

    .bit-case-features li {
        font-size: 14px;
        margin-bottom: 10px;
    }
}

/* ========================================
   Safety Shelter Section Styles
   ======================================== */
.safety-shelter-features {
    padding: 30px 0 60px 0;
}

.safety-shelter-features .heated-gallery-section-features {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 40px;
}

.safety-shelter-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    column-gap: 120px;
    margin-top: 40px;
}

.safety-shelter-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.safety-shelter-card .heated-gallery-item {
    width: 100%;
    aspect-ratio: 4 / 3;
    margin-bottom: 0;
    border-radius: 0;
    overflow: hidden;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.safety-shelter-card .heated-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    padding: 0;
    background: #f8f9fa;
}

.safety-shelter-info {
    padding: 24px;
    flex: 1;
}

.safety-shelter-info h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #0F172A;
}

.safety-shelter-features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.safety-shelter-features-list li {
    font-size: 14px;
    line-height: 1.7;
    color: #334155;
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
}

.safety-shelter-features-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #1e3a8a;
    font-weight: 600;
    font-size: 16px;
}

.safety-shelter-features-list li:last-child {
    margin-bottom: 0;
}

@media (max-width: 1200px) {
    .safety-shelter-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
        column-gap: 80px;
    }
}

@media (max-width: 768px) {
    .safety-shelter-features {
        padding: 20px 0 40px 0;
    }

    .safety-shelter-features .heated-gallery-section-features {
        padding: 0 20px;
    }

    .safety-shelter-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-top: 30px;
    }

    .safety-shelter-card .heated-gallery-item {
        aspect-ratio: 4 / 3;
    }

    .safety-shelter-card .heated-gallery-item img {
        padding: 0;
    }

    .safety-shelter-info {
        padding: 20px;
    }

    .safety-shelter-info h3 {
        font-size: 18px;
    }

    .safety-shelter-features-list li {
        font-size: 13px;
    }
}

/* Child Safety Video Section */
.heated-main .container .child-safety-video {
    width: 100vw;
    max-width: 100vw;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    padding: 0;
    background: #F9FAFB;
    margin-left: 0;
    margin-right: 0;
}

.child-safety-video {
    padding: 0;
    background: #F9FAFB;
    width: 100%;
}

.child-safety-video .video-section-inner {
    width: 100%;
    max-width: 100%;
    padding: 80px 0;
}

.child-safety-video .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.video-wrapper-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.video-section-header {
    text-align: left;
    margin-bottom: 40px;
}

.video-header-content {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.video-header-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0F172A;
    letter-spacing: -0.02em;
}

.video-header-image {
    flex-shrink: 0;
}

.video-header-image img {
    max-width: 120px;
    height: auto;
    display: block;
}

.video-section-header .section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #64748B;
    margin-bottom: 12px;
}

.video-section-header .section-label-icon {
    width: 24px;
    height: auto;
    display: block;
}

.video-section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #0F172A;
    letter-spacing: -0.02em;
    line-height: 1.3;
    margin: 0;
    white-space: nowrap;
}

.video-wrapper {
    position: relative;
    width: 60%;
    max-width: 60%;
    margin: 0 auto;
    padding-bottom: 35%;
    /* 21:9 Aspect Ratio (더 넓은 비율) */
    height: 0;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
    background: #000;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Child Safety Gallery Layout */
.child-safety-gallery .heated-gallery-section-features,
.child-safety-gallery .heated-gallery-section-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 1400px;
    margin: 0 auto;
}

.child-safety-gallery .heated-gallery-section-options {
    margin-top: 60px;
}

.child-safety-gallery .heated-gallery-label {
    grid-column: 1 / -1;
    margin-bottom: 0;
}

.child-safety-gallery .bit-case-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.child-safety-gallery .bit-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.child-safety-gallery .heated-gallery-item {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 0;
    overflow: hidden;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.child-safety-gallery .heated-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.child-safety-gallery .bit-case-info {
    padding: 24px;
}

.child-safety-gallery .bit-case-info h3 {
    font-size: 24px;
    font-weight: 600;
    color: #0F172A;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.child-safety-gallery .bit-case-subtitle {
    font-size: 16px;
    color: #64748B;
    margin-bottom: 16px;
    font-weight: 500;
}

.child-safety-gallery .bit-case-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.child-safety-gallery .bit-case-features li {
    font-size: 16px;
    color: #475569;
    line-height: 1.7;
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.child-safety-gallery .bit-case-features li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #1e3a8a;
    font-weight: bold;
}

.child-safety-gallery .voice-label {
    text-decoration: underline;
    text-decoration-color: #FCD34D;
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
    font-weight: 600;
}

.child-safety-gallery .led-label {
    text-decoration: underline;
    text-decoration-color: #EF4444;
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
    font-weight: 600;
}

/* Responsive Design for Child Safety Section */
@media (max-width: 1024px) {
    #child-safety .heated-overview-text h2 {
        white-space: normal;
    }

    #child-safety .heated-overview-image {
        justify-content: center;
    }

    #child-safety .heated-overview-image img {
        max-width: 90%;
        width: 90%;
        margin-left: 0;
    }

    .heated-main .container .child-safety-video {
        width: 100vw;
        max-width: 100vw;
    }

    .child-safety-video .video-section-inner {
        padding: 60px 0;
    }

    .child-safety-video .container {
        padding: 0 30px;
    }

    .video-wrapper-container {
        padding: 0 30px;
    }

    .video-section-header {
        margin-bottom: 32px;
    }

    .video-section-header h2 {
        font-size: 2rem;
    }

    .video-wrapper {
        max-width: 100%;
        padding-bottom: 50%;
        /* 태블릿에서는 18:9 비율 */
    }

    .child-safety-gallery .heated-gallery-section-features,
    .child-safety-gallery .heated-gallery-section-options {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .child-safety-gallery .heated-gallery-item {
        aspect-ratio: 16 / 9;
    }
}

@media (max-width: 768px) {
    #child-safety .heated-overview-image img {
        max-width: 95%;
        width: 95%;
    }

    .heated-main .container .child-safety-video {
        width: 100vw;
        max-width: 100vw;
    }

    .child-safety-video .video-section-inner {
        padding: 40px 0;
    }

    .child-safety-video .container {
        padding: 0 20px;
    }

    .video-wrapper-container {
        padding: 0 20px;
    }

    .video-section-header {
        margin-bottom: 32px;
    }

    .video-section-header h2 {
        font-size: 1.75rem;
    }

    .video-wrapper {
        max-width: 100%;
        padding-bottom: 56.25%;
        /* 모바일에서는 16:9 비율 유지 */
        border-radius: 12px;
    }

    .child-safety-gallery .heated-gallery-section-features,
    .child-safety-gallery .heated-gallery-section-options {
        gap: 20px;
    }

    .child-safety-gallery .bit-case-info {
        padding: 20px;
    }

    .child-safety-gallery .bit-case-info h3 {
        font-size: 22px;
    }

    .child-safety-gallery .bit-case-features li {
        font-size: 15px;
    }

    .child-safety-gallery .heated-gallery-item {
        aspect-ratio: 16 / 9;
    }
}

@media (max-width: 640px) {
    #child-safety .heated-overview-image img {
        max-width: 100%;
        width: 100%;
    }

    .heated-main .container .child-safety-video {
        width: 100vw;
        max-width: 100vw;
    }

    .child-safety-video .video-section-inner {
        padding: 32px 0;
    }

    .child-safety-video .container {
        padding: 0 16px;
    }

    .video-wrapper-container {
        padding: 0 16px;
    }

    .video-section-header {
        margin-bottom: 24px;
    }

    .video-section-header h2 {
        font-size: 1.5rem;
    }

    .child-safety-gallery .bit-case-info {
        padding: 16px;
    }

    .child-safety-gallery .bit-case-info h3 {
        font-size: 20px;
    }

    .child-safety-gallery .bit-case-features li {
        font-size: 14px;
    }
}

/* ========================================
   Smart Traffic LED Section Styles
   ======================================== */

/* Smart Traffic Main Images - case3와 case1 세로 배치 */
.smart-traffic-main-images {
    display: flex;
    flex-direction: column;
    gap: 24px;
    width: 100%;
}

.smart-traffic-main-images img {
    width: 85%;
    height: auto;
    display: block;
    object-fit: contain;
    border-radius: 0;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25), 0 6px 16px rgba(0, 0, 0, 0.15);
}

.smart-traffic-main-images .case1-below-case3 {
    margin-top: 0;
}

/* Smart Traffic Systems - 두 시스템 이미지 가로 배치 */
.smart-traffic-systems {
    display: flex;
    gap: 40px;
    margin: 60px 0;
    padding: 0 40px;
    justify-content: center;
    align-items: flex-start;
}

.smart-system-card {
    flex: 1;
    max-width: 50%;
    display: flex;
    flex-direction: column;
}

.smart-system-card .heated-gallery-item {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    background: #FFFFFF;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    margin-bottom: 16px;
}

.smart-system-card .heated-gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

.smart-system-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0F172A;
    text-align: center;
    margin: 0;
    padding: 0;
    letter-spacing: -0.01em;
}

/* Smart Traffic Gallery - 자연스러운 줄바꿈 */
.smart-traffic-gallery {
    margin-top: 60px;
}

.smart-traffic-gallery .heated-gallery-section-features {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* VMS, SID, BUS STOP 섹션 라벨 위에 20px 여백 추가 */
.smart-traffic-gallery .heated-gallery-section-features:has(.vms-intro),
.smart-traffic-gallery .heated-gallery-section-features:has(.sid-intro),
.smart-traffic-gallery .heated-gallery-section-features:has(.bus-stop-system) {
    margin-top: 80px;
}

/* VMS Section */
.vms-intro {
    font-size: 1.125rem;
    line-height: 1.8;
    color: #475569;
    margin: 20px 0 40px 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
    text-align: left;
}

.main-components-section .heated-gallery-section-features,
.smart-traffic-gallery .heated-gallery-section-features {
    gap: 8px;
}

.smart-traffic-gallery .heated-gallery-label {
    margin-bottom: 0;
}

.smart-traffic-gallery .heated-gallery-label+.vms-intro {
    margin-top: 0;
}

.smart-traffic-gallery .heated-gallery-label+.installation-cases-grid,
.smart-traffic-gallery .heated-gallery-label+.sid-system-architecture,
.smart-traffic-gallery .heated-gallery-label+.bus-stop-system {
    margin-top: 0;
}

.smart-traffic-gallery .vms-intro+.vms-cases-grid {
    margin-top: 0;
}

.smart-traffic-gallery .sid-intro+.sid-main-card {
    margin-top: 0;
}

.smart-traffic-gallery .sid-main-card {
    margin-bottom: 0;
}

.smart-traffic-gallery .sid-main-card+.sid-detail-cards {
    margin-top: 0;
}

/* VMS Installation Grid */
.vms-installation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 20px;
}

.vms-installation-item {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
}

.vms-installation-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    aspect-ratio: 4/3;
}

/* VMS Cases Grid - 이미지만 크게 나란히 배치 */
.vms-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 0;
}

.vms-case-item {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vms-case-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.vms-case-item img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    min-height: 400px;
}

/* SID Section */
.sid-intro {
    font-size: 1.125rem;
    line-height: 1.8;
    color: #475569;
    margin: 20px 0 40px 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
    text-align: left;
}

.smart-traffic-gallery .heated-gallery-label+.sid-intro {
    margin-top: 0;
}

.sid-intro strong {
    color: #0F172A;
    font-weight: 700;
    font-size: 1.125rem;
}

/* SID Detail Images - 3개 이미지 나란히 */
.sid-detail-images {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 0;
    margin-bottom: 32px;
}

.sid-detail-item {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
}

.sid-detail-item img {
    width: 100%;
    height: 500px;
    display: block;
    object-fit: cover;
    flex-shrink: 0;
}

.sid-detail-caption {
    padding: 16px;
    background: #F8FAFC;
    border-top: 1px solid #E2E8F0;
    font-size: 0.9375rem;
    color: #475569;
    line-height: 1.7;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    text-align: justify;
    text-justify: inter-word;
}

.sid-detail-caption strong {
    font-weight: 700;
    color: #0F172A;
}

/* SID Down Arrow */
.sid-arrow-down {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 32px 0;
    color: #64748B;
}

.sid-arrow-down svg {
    width: 40px;
    height: 40px;
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-10px);
    }

    60% {
        transform: translateY(-5px);
    }
}

/* SID Main Layout - 이미지 왼쪽, 설명 오른쪽 */
.sid-main-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: flex-start;
    margin-top: 0;
}

.sid-main-image {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.sid-main-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

.sid-main-description {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0;
}

.sid-main-description h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0F172A;
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}

.sid-description-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sid-description-list li {
    font-size: 1rem;
    color: #475569;
    line-height: 1.8;
    padding: 12px 0;
    padding-left: 24px;
    position: relative;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.sid-description-list li strong {
    color: #0F172A;
    font-weight: 600;
}

.sid-description-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #3B82F6;
    font-weight: bold;
    font-size: 1.25rem;
}

/* SID System Components in Main Description */
.sid-system-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0F172A;
    margin-top: 40px;
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}

.sid-system-components {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.sid-system-item {
    background: #F8FAFC;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid #E2E8F0;
}

.sid-system-item h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #0F172A;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.sid-system-item ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sid-system-item ul li {
    font-size: 0.875rem;
    color: #475569;
    line-height: 1.6;
    padding: 4px 0;
    padding-left: 16px;
    position: relative;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.sid-system-item ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #1e3a8a;
    font-weight: bold;
    font-size: 0.875rem;
}

/* Bus Stop No-Stop Prevention System */
.bus-stop-system {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-top: 0;
}

.bus-stop-image {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.bus-stop-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

.bus-stop-description {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0;
}

.bus-stop-description p {
    font-size: 1.125rem;
    color: #475569;
    line-height: 1.8;
    word-wrap: break-word;
    overflow-wrap: break-word;
    margin: 0;
}

/* SID System Architecture */
.sid-system-architecture {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 0;
    padding: 40px;
    background: #F8FAFC;
    border-radius: 16px;
}

.system-component {
    background: #FFFFFF;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.system-component:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.system-component h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: #0F172A;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.system-component ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.system-component ul li {
    font-size: 0.9375rem;
    color: #475569;
    line-height: 1.7;
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.system-component ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #3B82F6;
    font-weight: bold;
    font-size: 1rem;
}

/* Installation Cases Grid */
.installation-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 0;
}

.installation-cases-grid .bit-case-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.installation-cases-grid .bit-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.installation-cases-grid .heated-gallery-item {
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: 0;
    overflow: hidden;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
}

.installation-cases-grid .heated-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* Responsive Design for Smart Traffic Section */
@media (max-width: 1024px) {
    .smart-traffic-main-images {
        gap: 20px;
    }

    .smart-traffic-systems {
        flex-direction: column;
        gap: 32px;
        padding: 0 20px;
    }

    .smart-system-card {
        max-width: 100%;
    }

    .vms-cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .sid-detail-images {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .sid-main-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .sid-system-components {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .bus-stop-system {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .sid-system-architecture {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 32px 24px;
    }

    .installation-cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .smart-traffic-main-images {
        gap: 16px;
    }

    .smart-traffic-systems {
        margin: 40px 0;
        padding: 0 16px;
    }

    .smart-system-title {
        font-size: 1.125rem;
    }

    .smart-traffic-gallery .heated-gallery-section-features {
        padding: 0 16px;
    }

    .vms-intro,
    .sid-intro {
        font-size: 1rem;
        margin: 20px 0 32px 0;
    }

    .vms-cases-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .vms-case-item img {
        min-height: 300px;
    }

    .sid-detail-images {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .sid-detail-item img {
        height: 350px;
    }

    .sid-detail-caption {
        font-size: 0.875rem;
        padding: 12px;
        text-align: left;
    }

    .sid-main-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .sid-main-description h3 {
        font-size: 1.25rem;
    }

    .sid-description-list li {
        font-size: 0.9375rem;
    }

    .bus-stop-system {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .bus-stop-description p {
        font-size: 1rem;
    }

    .sid-system-architecture {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 24px 20px;
    }

    .system-component h4 {
        font-size: 1rem;
    }

    .system-component ul li {
        font-size: 0.875rem;
    }

    .installation-cases-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* ========================================
   Large LED Gallery Layout
   ======================================== */
.large-led-gallery {
    width: 100%;
    padding: 0 0 80px 0;
    margin-top: -60px;
}

.large-led-gallery .large-led-products {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

.large-led-gallery .large-led-products {
    gap: 0;
}

.large-led-gallery .large-led-products .heated-gallery-label {
    margin-bottom: 40px;
}

.large-led-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 0;
    padding-top: 0;
}

.large-led-gallery .bit-case-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.large-led-gallery .bit-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.large-led-gallery .heated-gallery-item {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 0;
    overflow: hidden;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.large-led-gallery .heated-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.large-led-gallery .bit-case-info {
    padding: 24px;
}

.large-led-gallery .bit-case-info h3 {
    font-size: 22px;
    font-weight: 600;
    color: #0F172A;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.large-led-gallery .bit-case-subtitle {
    font-size: 15px;
    color: #64748B;
    margin-bottom: 16px;
    font-weight: 500;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.large-led-gallery .bit-case-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.large-led-gallery .bit-case-features li {
    font-size: 15px;
    color: #475569;
    line-height: 1.7;
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.large-led-gallery .bit-case-features li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #1e3a8a;
    font-weight: bold;
}

/* 설치 사례 섹션 - 물류센터 전광판 이미지 그리드 */
.large-led-cases {
    max-width: 1400px;
    margin: 60px auto 0;
    padding: 0 60px;
}

.large-led-cases .heated-gallery-label {
    margin-bottom: 10px;
}

.delivery-images-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.delivery-image-item {
    width: 100%;
    border-radius: 0;
    overflow: hidden;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
}

.delivery-image-item img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
}

/* Large Scale Display 섹션 이미지 크기 줄이기 */
#large-led .heated-overview-image img {
    max-width: 105%;
    width: 105%;
}

/* Large Scale Display 섹션 여백 줄이기 */
#large-led.heated-overview {
    padding-top: 60px;
    padding-bottom: 0 !important;
    margin-bottom: 0 !important;
}

/* LED Signs 페이지 - 모든 라인 제거 */
body:has(#dynamic-display) .heated-overview,
body:has(#large-led) .heated-overview,
body:has(#child-safety) .heated-overview,
body:has(#smart-traffic) .heated-overview,
body:has(#vehicle-led) .heated-overview,
body:has(#dynamic-display-features) .heated-overview,
body:has(#system-concept) .heated-overview {
    border-bottom: none !important;
    border-top: none !important;
}

/* Bus Stop Solutions 페이지 - 모든 라인 제거 */
body:has(#bit-overview) .heated-overview,
body:has(#accessible-stop) .heated-overview,
body:has(#safety-shelter) .heated-overview,
#bit-overview.heated-overview,
#accessible-stop.heated-overview,
#safety-shelter.heated-overview {
    border-bottom: none !important;
    border-top: none !important;
}

/* Dynamic Display 섹션 - 여백 조정 */
#dynamic-display.heated-overview {
    padding: 60px 0 20px 0;
    /* 상단 여백을 30px에서 60px로 늘려 물류센터 전광판과의 간격 확대 */
}

/* 동적 호차표시기 특징 섹션 - 간격 줄이기 */
#dynamic-display-features.heated-overview {
    padding: 20px 0;
}

/* 시스템 개념도 섹션 - 여백 줄이기 */
#system-concept.heated-overview {
    padding: 20px 0 30px 0;
}

/* Vehicle LED Display 섹션 - 여백 조정 */
#vehicle-led.heated-overview {
    padding-top: 90px;
    /* 60px에서 90px로 늘려 무정차 방지시스템과의 간격 확대 */
    padding-bottom: 20px !important;
}

/* 동적 호차표시기 특징 섹션 - 이미지 세로 배치 */
.dynamic-display-images {
    flex-direction: column;
    gap: 40px;
}

.dynamic-display-images img {
    width: 80%;
    max-width: 80%;
    height: auto;
    object-fit: contain;
}

/* main 태그 다음 large-led-gallery 여백 줄이기 */
.heated-main+.large-led-gallery {
    margin-top: -100px;
}

/* Responsive Design for Large LED Gallery */
@media (max-width: 1400px) {
    .large-led-gallery .large-led-products {
        padding: 0 50px;
    }

    .large-led-grid {
        gap: 32px;
    }

    .large-led-cases {
        padding: 0 50px;
    }

    .vehicle-led-container {
        padding: 0 50px;
    }
}

@media (max-width: 1024px) {
    .large-led-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .large-led-gallery .large-led-products {
        padding: 0 20px;
    }

    .large-led-cases {
        padding: 0 20px;
    }

    .vehicle-led-container {
        padding: 0 20px;
    }

    .delivery-images-grid {
        gap: 30px;
    }

    #large-led .heated-overview-image img {
        max-width: 90%;
        width: 90%;
    }
}

@media (max-width: 768px) {
    .large-led-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .large-led-gallery .large-led-products {
        padding: 0 20px;
    }

    .large-led-gallery .large-led-products .heated-gallery-label {
        margin-bottom: 30px;
    }

    .vehicle-led-container .heated-gallery-label {
        margin-bottom: 30px;
    }

    .large-led-cases {
        padding: 0 20px;
        margin-top: 40px;
    }

    .large-led-cases .heated-gallery-label {
        margin-bottom: 10px;
    }

    .delivery-images-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    #large-led .heated-overview-image img {
        max-width: 95%;
        width: 95%;
    }
}

/* ========================================
   Web Solution Section
   ======================================== */
.web-solution-section {
    padding: 100px 0 120px;
    background: #ffffff;
}

.web-solution-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 80px;
    padding: 0 40px;
}

.web-solution-intro-text {
    font-size: 1.2rem;
    color: #64748B;
    line-height: 1.8;
    font-weight: 400;
}

.web-solution-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 50px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.web-solution-card {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.web-solution-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.15);
    border-color: rgba(0, 0, 0, 0.1);
}

.web-solution-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 70%;
    /* 더 큰 이미지 영역 */
    overflow: hidden;
    background: #f8f9fa;
}

.web-solution-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.web-solution-card:hover .web-solution-image {
    transform: scale(1.1);
}

.web-solution-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0) 100%);
    padding: 50px 35px 35px;
    transform: translateY(0);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.web-solution-card:hover .web-solution-overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.4) 100%);
    padding-bottom: 40px;
}

.web-solution-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.4;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

.web-solution-content {
    padding: 32px 35px 35px;
    background: #fff;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.web-solution-description {
    font-size: 1rem;
    color: #64748B;
    line-height: 1.7;
    margin-bottom: 20px;
    font-weight: 400;
}

.web-solution-link {
    font-size: 0.95rem;
    color: #1E293B;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
}

.web-solution-card:hover .web-solution-link {
    color: #EF4444;
    transform: translateX(4px);
}

@media (max-width: 1024px) {
    .web-solution-section {
        padding: 80px 0 100px;
    }

    .web-solution-intro {
        margin-bottom: 60px;
    }

    .web-solution-intro-text {
        font-size: 1.1rem;
    }

    .web-solution-grid {
        gap: 40px;
        padding: 0 30px;
    }

    .web-solution-image-wrapper {
        padding-top: 65%;
    }

    .web-solution-title {
        font-size: 1.5rem;
    }

    .web-solution-content {
        padding: 28px 30px 30px;
    }

    .web-solution-description {
        font-size: 0.95rem;
    }
}

@media (max-width: 768px) {
    .web-solution-section {
        padding: 60px 0 80px;
    }

    .web-solution-intro {
        margin-bottom: 50px;
        padding: 0 20px;
    }

    .web-solution-intro-text {
        font-size: 1rem;
    }

    .web-solution-grid {
        grid-template-columns: 1fr;
        gap: 35px;
        padding: 0 20px;
    }

    .web-solution-image-wrapper {
        padding-top: 60%;
    }

    .web-solution-overlay {
        padding: 40px 25px 25px;
    }

    .web-solution-title {
        font-size: 1.4rem;
    }

    .web-solution-content {
        padding: 25px 25px 28px;
    }

    .web-solution-description {
        font-size: 0.95rem;
        margin-bottom: 18px;
    }
}

@media (max-width: 480px) {
    .web-solution-section {
        padding: 40px 0 60px;
    }

    .web-solution-intro {
        margin-bottom: 40px;
        padding: 0 15px;
    }

    .web-solution-intro-text {
        font-size: 0.95rem;
        line-height: 1.7;
    }

    .web-solution-grid {
        padding: 0 15px;
        gap: 28px;
    }

    .web-solution-image-wrapper {
        padding-top: 56.25%;
    }

    .web-solution-overlay {
        padding: 35px 20px 20px;
    }

    .web-solution-title {
        font-size: 1.25rem;
    }

    .web-solution-content {
        padding: 22px 20px 25px;
    }

    .web-solution-description {
        font-size: 0.9rem;
        margin-bottom: 16px;
    }

    .web-solution-link {
        font-size: 0.9rem;
    }
}

/* Systems Page - Product Line Section 이미지 중앙 배치 및 크기 조정 (가로형 이미지 최적화) */
body:has(#traffic-control) .product-line-layout {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 80px;
    justify-items: center;
}

body:has(#traffic-control) .product-cards-area {
    display: flex;
    justify-content: center;
    align-items: center;
    height: auto;
    min-height: 350px;
}

body:has(#traffic-control) .product-card-large.card-primary {
    position: relative;
    width: 550px;
    height: auto;
    aspect-ratio: auto;
    top: auto;
    left: auto;
    transform: none;
}

body:has(#traffic-control) .product-card-large.card-primary img {
    width: 100%;
    height: auto;
    object-fit: contain;
    margin: auto;
    display: block;
}

body:has(#traffic-control) .product-card-large.card-primary:hover {
    transform: scale(1.05) rotate(-1deg);
    box-shadow:
        0 40px 110px rgba(0, 0, 0, 0.5),
        0 20px 60px rgba(0, 0, 0, 0.35),
        0 6px 22px rgba(0, 0, 0, 0.25);
    z-index: 10;
}

body:has(#traffic-control) .product-card-large.card-primary:hover img {
    width: 100%;
    height: auto;
}

@media (max-width: 1400px) {
    body:has(#traffic-control) .product-card-large.card-primary {
        width: 500px;
        height: auto;
    }
}

@media (max-width: 1200px) {
    body:has(#traffic-control) .product-card-large.card-primary {
        width: 480px;
        height: auto;
    }
}

@media (max-width: 992px) {
    body:has(#traffic-control) .product-line-layout {
        grid-template-columns: 1fr;
    }

    body:has(#traffic-control) .product-cards-area {
        min-height: 300px;
    }

    body:has(#traffic-control) .product-card-large.card-primary {
        width: 450px;
        height: auto;
    }
}

@media (max-width: 768px) {
    body:has(#traffic-control) .product-cards-area {
        min-height: 280px;
    }

    body:has(#traffic-control) .product-card-large.card-primary {
        width: 400px;
        height: auto;
    }
}

@media (max-width: 576px) {
    body:has(#traffic-control) .product-cards-area {
        min-height: 220px;
    }

    body:has(#traffic-control) .product-card-large.card-primary {
        width: 100%;
        max-width: 350px;
        height: auto;
    }
}

/* Cleaning Vehicle Page - Product Line Section 이미지 중앙 배치 및 크기 조정 (가로형 이미지 최적화) */
body:has(#vehicle-management) .product-line-layout {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 80px;
    justify-items: center;
}

/* Cleaning Vehicle Page - 텍스트 영역 우측 여백 증가 */
.cleaning-vehicle-page .product-line-section {
    padding-bottom: 80px;
}

.cleaning-vehicle-page .product-line-container {
    padding-right: 100px;
}

.cleaning-vehicle-page .product-line-text {
    padding-left: 0;
    padding-right: 100px;
}

body:has(#vehicle-management) .product-cards-area {
    display: flex;
    justify-content: center;
    align-items: center;
    height: auto;
    min-height: 400px;
}

body:has(#vehicle-management) .product-card-large.card-primary {
    position: relative;
    width: 700px;
    height: auto;
    aspect-ratio: auto;
    top: auto;
    left: auto;
    transform: none;
}

body:has(#vehicle-management) .product-card-large.card-primary img {
    width: 100%;
    height: auto;
    object-fit: contain;
    margin: auto;
    display: block;
}

body:has(#vehicle-management) .product-card-large.card-primary:hover {
    transform: scale(1.05) rotate(-1deg);
    box-shadow:
        0 40px 110px rgba(0, 0, 0, 0.5),
        0 20px 60px rgba(0, 0, 0, 0.35),
        0 6px 22px rgba(0, 0, 0, 0.25);
    z-index: 10;
}

body:has(#vehicle-management) .product-card-large.card-primary:hover img {
    width: 100%;
    height: auto;
}

@media (max-width: 1400px) {
    body:has(#vehicle-management) .product-card-large.card-primary {
        width: 650px;
        height: auto;
    }
}

@media (max-width: 1200px) {
    body:has(#vehicle-management) .product-card-large.card-primary {
        width: 600px;
        height: auto;
    }
}

@media (max-width: 992px) {
    body:has(#vehicle-management) .product-line-layout {
        grid-template-columns: 1fr;
    }

    body:has(#vehicle-management) .product-cards-area {
        min-height: 350px;
    }

    body:has(#vehicle-management) .product-card-large.card-primary {
        width: 550px;
        height: auto;
    }
}

@media (max-width: 768px) {
    body:has(#vehicle-management) .product-cards-area {
        min-height: 300px;
    }

    body:has(#vehicle-management) .product-card-large.card-primary {
        width: 500px;
        height: auto;
    }
}

@media (max-width: 576px) {
    body:has(#vehicle-management) .product-cards-area {
        min-height: 250px;
    }

    body:has(#vehicle-management) .product-card-large.card-primary {
        width: 100%;
        max-width: 450px;
        height: auto;
    }
}

/* Cleaning Vehicle - Monitor Grid (세로 배치) */
.cleaning-vehicle-monitor-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 32px;
    align-items: start;
    max-width: 1400px;
    margin: 0 auto;
}

.cleaning-vehicle-monitor-item {
    display: flex;
    flex-direction: column;
}

.cleaning-vehicle-monitor-item .heated-gallery-item {
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: 16px;
    overflow: hidden;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.cleaning-vehicle-monitor-item .heated-gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.cleaning-vehicle-monitor-item .heated-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    padding: 16px;
}

.cleaning-vehicle-monitor-info {
    grid-column: 1 / -1;
    padding: 24px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    margin-top: 24px;
}

.cleaning-vehicle-monitor-info .bit-case-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.cleaning-vehicle-monitor-info .bit-case-features li {
    font-size: 16px;
    color: #475569;
    line-height: 1.8;
    padding: 12px 0;
    padding-left: 24px;
    position: relative;
}

.cleaning-vehicle-monitor-info .bit-case-features li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #3B82F6;
    font-weight: bold;
    font-size: 20px;
}

/* Cleaning Vehicle - Vehicle Management Section 이미지 세로 배치 */
#vehicle-management .heated-overview-image {
    display: flex !important;
    flex-direction: column !important;
    gap: 32px !important;
    align-items: flex-end !important;
    justify-content: flex-start !important;
}

#vehicle-management .heated-overview-image img {
    width: 100% !important;
    max-width: 90% !important;
    height: auto !important;
    object-fit: contain !important;
    display: block !important;
}

/* Cleaning Vehicle - Screen Logic Section */
.cleaning-vehicle-screen-logic {
    margin-top: 20px;
}

.cleaning-vehicle-screen-logic h3 {
    font-size: 24px;
    font-weight: 600;
    color: #0F172A;
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}

.cleaning-vehicle-features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: feature-counter;
}

.cleaning-vehicle-features-list li {
    font-size: 16px;
    color: #475569;
    line-height: 1.8;
    padding: 12px 0;
    padding-left: 36px;
    position: relative;
    counter-increment: feature-counter;
}

.cleaning-vehicle-features-list li::before {
    content: counter(feature-counter) ".";
    position: absolute;
    left: 0;
    color: #1e3a8a;
    font-weight: 600;
    font-size: 16px;
}

/* Cleaning Vehicle - Screen Logic Section 라인 제거 및 여백 조정 */
#screen-logic.heated-overview {
    padding: 60px 0 40px 0;
    border-bottom: none !important;
    border-top: none !important;
}

/* Cleaning Vehicle - 이전 섹션 하단 라인 제거 */
#vehicle-management.heated-overview {
    border-bottom: none !important;
}

/* Cleaning Vehicle - Screen Logic 이미지 크기 키우기 */
#screen-logic .heated-overview-image img {
    max-width: 110% !important;
    width: 110% !important;
}

/* Cleaning Vehicle - 메인 섹션 하단 여백 줄이기 */
/* Cleaning Vehicle - 메인 섹션 하단 여백 (footer 위쪽 여백) */
.cleaning-vehicle-page .heated-main {
    padding-bottom: 120px !important;
}

/* Cleaning Vehicle - 첫 번째 섹션 상단 여백 줄이기 */
.cleaning-vehicle-page #vehicle-management.heated-overview {
    padding-top: 40px !important;
}

@media (max-width: 992px) {
    .cleaning-vehicle-monitor-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .cleaning-vehicle-monitor-info {
        grid-column: 1;
        margin-top: 0;
    }

    .cleaning-vehicle-monitor-item .heated-gallery-item {
        aspect-ratio: 16 / 9;
    }
}

/* Systems Page - 교통관제시스템 및 과속경보시스템 카드 한 줄 배치 */
.traffic-control-cards,
.speed-warning-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 24px;
}

.speed-warning-cards {
    grid-template-columns: repeat(2, 1fr);
}

/* Systems Page - 과속경보시스템 좌우 분할 레이아웃 */
.speed-warning-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    margin-top: 24px;
}

.speed-warning-text {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.speed-warning-item h3 {
    font-size: 22px;
    font-weight: 700;
    color: #0F172A;
    margin: 0 0 16px 0;
    letter-spacing: -0.01em;
}

.speed-warning-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.speed-warning-features li {
    font-size: 16px;
    color: #475569;
    line-height: 1.8;
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.speed-warning-features li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color, #3B82F6);
    font-weight: bold;
    font-size: 20px;
}

.speed-warning-images {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.speed-warning-image-item {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    background: #ffffff;
}

.speed-warning-image-item img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

@media (max-width: 992px) {
    .speed-warning-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .speed-warning-images {
        order: -1;
    }
}

/* Systems Page - 교통관제시스템(과속경보시스템) 좌우 분할 레이아웃 */
.traffic-speed-warning-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    margin-top: 24px;
    margin-bottom: 60px;
}

.traffic-speed-warning-text {
    display: flex;
    flex-direction: column;
}

.traffic-speed-warning-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.traffic-speed-warning-features li {
    font-size: 16px;
    color: #475569;
    line-height: 1.9;
    padding: 12px 0;
    padding-left: 32px;
    position: relative;
}

.traffic-speed-warning-features li::before {
    content: "▶";
    position: absolute;
    left: 0;
    color: var(--primary-color, #3B82F6);
    font-weight: bold;
    font-size: 14px;
}

.traffic-speed-warning-image {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.traffic-speed-warning-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

/* Systems Page - 과속경보시스템 타입 카드 (2열) */
.speed-warning-type-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(300px, 450px));
    gap: 48px;
    margin-top: 0;
    justify-content: center;
}

.speed-warning-type-cards .bit-case-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    max-width: 450px;
}

.speed-warning-type-cards .bit-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.speed-warning-type-cards .heated-gallery-item {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 0;
    overflow: hidden;
    background: #FFFFFF;
    display: flex;
    align-items: stretch;
    justify-content: stretch;
    position: relative;
}

.speed-warning-type-cards .heated-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    padding: 0;
}

.speed-warning-type-cards .bit-case-info {
    padding: 24px;
    flex: 1;
}

.speed-warning-type-cards .bit-case-info h3 {
    font-size: 20px;
    font-weight: 700;
    color: #0F172A;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.speed-warning-type-cards .bit-case-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.speed-warning-type-cards .bit-case-features li {
    font-size: 14px;
    color: #475569;
    line-height: 1.7;
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.speed-warning-type-cards .bit-case-features li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #1e3a8a;
    font-weight: bold;
}

@media (max-width: 992px) {
    .traffic-speed-warning-layout {
        grid-template-columns: 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }

    .traffic-speed-warning-image {
        order: -1;
    }

    .speed-warning-type-cards {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* Systems Page - child-safety-gallery 스타일 적용 */
.systems-gallery .heated-gallery-section-features,
.systems-gallery .heated-gallery-section-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 1400px;
    margin: 0 auto;
}

.systems-gallery .heated-gallery-section-options {
    margin-top: 60px;
}

.systems-gallery .heated-gallery-label {
    grid-column: 1 / -1;
    margin-bottom: 0;
}

.systems-gallery-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(300px, 450px));
    gap: 32px;
    max-width: 1400px;
    margin: 0 auto;
    justify-content: center;
}

.systems-gallery .bit-case-card,
.systems-gallery-cards .bit-case-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    max-width: 450px;
}

.systems-gallery .bit-case-card:hover,
.systems-gallery-cards .bit-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.systems-gallery .heated-gallery-item,
.systems-gallery-cards .heated-gallery-item {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 0;
    overflow: hidden;
    background: #FFFFFF;
    display: flex;
    align-items: stretch;
    justify-content: stretch;
    position: relative;
}

.systems-gallery .heated-gallery-item img,
.systems-gallery-cards .heated-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    padding: 0;
}

.systems-gallery .bit-case-info,
.systems-gallery-cards .bit-case-info {
    padding: 24px;
}

.systems-gallery .bit-case-info h3,
.systems-gallery-cards .bit-case-info h3 {
    font-size: 24px;
    font-weight: 600;
    color: #0F172A;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.systems-gallery .bit-case-info p {
    font-size: 16px;
    line-height: 1.7;
    color: #475569;
    margin-bottom: 16px;
}

.systems-gallery .bit-case-features,
.systems-gallery-cards .bit-case-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.systems-gallery .bit-case-features li,
.systems-gallery-cards .bit-case-features li {
    font-size: 16px;
    color: #475569;
    line-height: 1.7;
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.systems-gallery .bit-case-features li::before,
.systems-gallery-cards .bit-case-features li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #1e3a8a;
    font-weight: bold;
}

/* Systems Page - 3열 카드 레이아웃 (교통관제시스템) */
.traffic-control-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 1400px;
    margin: 0 auto;
}

@media (max-width: 1200px) {
    .traffic-control-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {

    .systems-gallery .heated-gallery-section-features,
    .systems-gallery .heated-gallery-section-options,
    .systems-gallery-cards,
    .traffic-control-cards {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .systems-gallery .heated-gallery-item,
    .systems-gallery-cards .heated-gallery-item {
        aspect-ratio: 16 / 9;
    }
}

@media (max-width: 768px) {

    .systems-gallery .heated-gallery-section-features,
    .systems-gallery .heated-gallery-section-options,
    .systems-gallery-cards,
    .traffic-control-cards {
        gap: 20px;
    }

    .systems-gallery .bit-case-info,
    .systems-gallery-cards .bit-case-info {
        padding: 20px;
    }

    .systems-gallery .bit-case-info h3,
    .systems-gallery-cards .bit-case-info h3 {
        font-size: 22px;
    }

    .systems-gallery .bit-case-features li,
    .systems-gallery-cards .bit-case-features li {
        font-size: 15px;
    }

    .systems-gallery .heated-gallery-item,
    .systems-gallery-cards .heated-gallery-item {
        aspect-ratio: 16 / 9;
    }
}

@media (max-width: 640px) {

    .systems-gallery .bit-case-info,
    .systems-gallery-cards .bit-case-info {
        padding: 16px;
    }

    .systems-gallery .bit-case-info h3,
    .systems-gallery-cards .bit-case-info h3 {
        font-size: 20px;
    }

    .systems-gallery .bit-case-features li,
    .systems-gallery-cards .bit-case-features li {
        font-size: 14px;
    }
}

.traffic-control-cards .bit-case-card,
.speed-warning-cards .bit-case-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.traffic-control-cards .bit-case-card:hover,
.speed-warning-cards .bit-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.traffic-control-cards .heated-gallery-item,
.speed-warning-cards .heated-gallery-item {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 0;
    overflow: hidden;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.traffic-control-cards .heated-gallery-item img,
.speed-warning-cards .heated-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    padding: 16px;
}

.traffic-control-cards .bit-case-info,
.speed-warning-cards .bit-case-info {
    padding: 24px;
    flex: 1;
}

.traffic-control-cards .bit-case-info h3,
.speed-warning-cards .bit-case-info h3 {
    font-size: 20px;
    font-weight: 700;
    color: #0F172A;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.traffic-control-cards .bit-case-info p {
    font-size: 14px;
    line-height: 1.7;
    color: #475569;
    margin-bottom: 16px;
}

.traffic-control-cards .bit-case-features,
.speed-warning-cards .bit-case-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.traffic-control-cards .bit-case-features li,
.speed-warning-cards .bit-case-features li {
    font-size: 14px;
    color: #475569;
    line-height: 1.7;
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.traffic-control-cards .bit-case-features li::before,
.speed-warning-cards .bit-case-features li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #1e3a8a;
    font-weight: bold;
}

@media (max-width: 1200px) {
    .traffic-control-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .traffic-control-cards .bit-case-card:last-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {

    .traffic-control-cards,
    .speed-warning-cards {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .traffic-control-cards .bit-case-card:last-child {
        grid-column: 1;
    }
}

/* Systems Page - 과속경보시스템 섹션 여백 및 라인 조정 */
#speed-warning.heated-overview,
#traffic-control.heated-overview {
    padding-top: 40px;
    padding-bottom: 20px;
    border-bottom: none !important;
    border-top: none !important;
}

#speed-warning .heated-overview-top,
#traffic-control .heated-overview-top {
    margin-bottom: 30px;
}

/* Speed Warning - Gallery 섹션 상단 여백 줄이기 */
#speed-warning+.heated-overview-gallery {
    margin-top: 0;
    padding-top: 0;
}

#speed-warning+.heated-overview-gallery .heated-gallery-section-features {
    margin-top: 0;
    padding-top: 0;
}

#speed-warning .heated-feature-point span,
#traffic-control .heated-feature-point span {
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: keep-all;
    white-space: normal;
    line-height: 1.7;
}

/* Systems Page - 구성도 헤더 및 이미지 */
.system-diagram-header {
    margin-bottom: 24px;
    text-align: center;
}

.system-diagram-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: #0F172A;
    margin: 0 0 8px 0;
    letter-spacing: -0.01em;
}

.system-diagram-header p {
    font-size: 16px;
    color: #64748B;
    margin: 0;
    line-height: 1.6;
}

.system-diagram-container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

.system-diagram-image {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.system-diagram-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

/* Cleaning Vehicle - Structure Layout (왼쪽 텍스트, 오른쪽 이미지) */
.cleaning-vehicle-structure-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.cleaning-vehicle-structure-text {
    display: flex;
    flex-direction: column;
}

.cleaning-vehicle-structure-text .heated-gallery-label {
    margin-bottom: 0;
}

.cleaning-vehicle-structure-text .heated-overview-features {
    margin-top: 20px;
}

.cleaning-vehicle-structure-image {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cleaning-vehicle-structure-image .system-diagram-image {
    width: 100%;
    max-width: 120%;
    transform: scale(1.1);
}

@media (max-width: 992px) {
    .cleaning-vehicle-structure-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .cleaning-vehicle-structure-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .system-diagram-header {
        margin-bottom: 20px;
    }

    .system-diagram-header h3 {
        font-size: 20px;
    }

    .system-diagram-header p {
        font-size: 14px;
    }
}

/* Update for Smart Traffic Removal: Center 4th card in Quintuple layout when it is the last child */
.product-cards-quintuple .product-card-large.card-quaternary:last-child {
    margin-left: 345px;
}

@media (max-width: 1800px) {
    .product-cards-quintuple .product-card-large.card-quaternary:last-child {
        margin-left: 265px;
    }
}

@media (max-width: 1400px) {
    .product-cards-quintuple .product-card-large.card-quaternary:last-child {
        margin-left: 245px;
    }
}

@media (max-width: 992px) {
    .product-cards-quintuple .product-card-large.card-quaternary:last-child {
        margin-left: 222px;
    }
}

@media (max-width: 768px) {
    .product-cards-quintuple .product-card-large.card-quaternary:last-child {
        margin-left: 0;
    }
}