        :root {
            --primary-dark: #0a1628;
            --primary-blue: #0d47a1;
            --accent-blue: #1565c0;
            --accent-orange: #ff6d00;
            --eco-green: #2e7d32;
            --eco-green-light: #4caf50;
            --eco-green-dark: #1b5e20;
            --light-gray: #f5f7fa;
            --text-dark: #1a1a2e;
            --text-light: #ffffff;
            --gradient-dark: linear-gradient(135deg, #0a1628 0%, #1a237e 100%);
            --gradient-accent: linear-gradient(135deg, #1565c0 0%, #0d47a1 100%);
            --gradient-eco: linear-gradient(135deg, #2e7d32 0%, #1b5e20 100%);
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 0;
            background: var(--primary-blue);
            color: #fff;
            padding: 0.8rem 1.5rem;
            z-index: 10000;
            font-size: 1rem;
            text-decoration: none;
            border-radius: 0 0 8px 0;
        }
        .skip-link:focus {
            top: 0;
        }
        *:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html {
            scroll-behavior: smooth;
            overflow-x: hidden;
        }
        body {
            font-family: 'Noto Sans KR', sans-serif;
            background: var(--light-gray);
            color: var(--text-dark);
            overflow-x: hidden;
            width: 100%;
        }

        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 1.2rem 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.4s ease;
            background: transparent;
        }

        .navbar.scrolled {
            background: rgba(10, 22, 40, 0.95);
            -webkit-backdrop-filter: blur(20px);
            backdrop-filter: blur(20px);
            padding: 0.8rem 5%;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
        }

        .logo {
            font-family: 'Outfit', sans-serif;
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-light);
            text-decoration: none;
        }
        .logo span { color: var(--accent-orange); }

        .logo img {
            display: block;
            height: 0.7em;
            width: auto;
        }

        .loader-logo img {
            display: block;
            width: min(408px, 70vw);
            height: auto;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .nav-links > li { position: relative; }

        .nav-links > li > a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 0;
            transition: color 0.3s ease;
        }

        .nav-links > li:hover > a { color: var(--accent-orange); }

        .dropdown {
            position: absolute;
            top: 100%;
            left: -20px;
            background: white;
            min-width: 180px;
            border-radius: 12px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s ease;
            padding: 0.5rem 0;
            z-index: 100;
        }

        .nav-links > li:hover .dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .dropdown a {
            display: block;
            padding: 0.7rem 1.5rem;
            color: var(--text-dark);
            text-decoration: none;
            font-size: 0.9rem;
            transition: all 0.2s ease;
        }

        .dropdown a:hover {
            background: var(--light-gray);
            color: var(--accent-orange);
        }

        .nav-cta {
            background: var(--accent-orange);
            color: white;
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(255, 109, 0, 0.3);
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(255, 109, 0, 0.4);
        }

        .lang-switch {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-left: 1rem;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
        }

        .lang-btn {
            background: transparent;
            border: none;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            padding: 0.3rem 0.5rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }

        .lang-btn:hover { color: white; }
        .lang-btn.active {
            color: var(--accent-orange);
            background: rgba(255, 109, 0, 0.1);
        }

        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 5px;
            z-index: 1001;
        }

        .mobile-menu-btn span {
            width: 28px;
            height: 3px;
            background: white;
            border-radius: 3px;
            transition: all 0.3s ease;
        }

        .mobile-menu-btn.active span:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }
        .mobile-menu-btn.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-btn.active span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }

        /* Mobile Menu Overlay */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 22, 40, 0.98);
            z-index: 999;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 2rem;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-menu-overlay.active {
            display: flex;
            opacity: 1;
        }

        .mobile-menu-overlay a {
            color: white;
            text-decoration: none;
            font-size: 1.5rem;
            font-weight: 600;
            padding: 0.5rem 1rem;
            transition: color 0.3s ease;
        }

        .mobile-menu-overlay a:hover {
            color: var(--accent-orange);
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: flex;
            }
        }

        /* Hero */
        .hero {
            width: 100%;
            height: 100vh;
            min-height: 800px;
            position: relative;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        /* Hero Slideshow */
        .hero-slideshow {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            width: 100%;
            height: 100%;
        }

        .hero-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            opacity: 0;
            visibility: hidden;
            transform: scale(1.05);
            transition: opacity 1.2s ease-in-out, visibility 1.2s ease-in-out;
            transform-origin: center center;
            z-index: 1;
        }

        .hero-slide.active {
            opacity: 1;
            visibility: visible;
            z-index: 2;
            animation: slideZoom 5.5s ease-out forwards;
        }

        .hero-slide.prev {
            opacity: 0;
            visibility: visible;
            z-index: 1;
        }

        @keyframes slideZoom {
            0% { transform: scale(1); }
            100% { transform: scale(1.1); }
        }

        .hero-slide:nth-child(1) {
            background-image: url('/images/catalog/hero-hq1.webp');
            background-position: 88% center;
        }
        .hero-slide:nth-child(2) {
            background-image: url('/images/catalog/hero-hq2.webp');
            background-position: 78% center;
        }
        .hero-slide:nth-child(3) {
            background-image: url('/images/catalog/hero-hq3.webp');
        }
        .hero-slide:nth-child(4) {
            background-image: url('/images/catalog/hero-line.webp');
        }
        .hero-slide:nth-child(5) {
            background-image: url('/images/catalog/hero-site.webp');
        }
        .hero-slide:nth-child(6) {
            background-image: url('/images/catalog/hero-zinc.webp');
        }
        .hero-slide:nth-child(7) {
            background-image: url('/images/catalog/hero-coil.webp');
        }

        /* Slide Indicators */
        .slide-indicators {
            position: absolute;
            bottom: 120px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 12px;
            z-index: 20;
        }

        .slide-indicator {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.4);
            border: 2px solid rgba(255, 255, 255, 0.6);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .slide-indicator:hover {
            background: rgba(255, 255, 255, 0.6);
        }

        .slide-indicator.active {
            background: var(--accent-orange);
            border-color: var(--accent-orange);
            transform: scale(1.2);
        }

        /* Slide Navigation Arrows */
        .slide-nav {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 50px;
            height: 50px;
            background: rgba(255, 255, 255, 0.15);
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 20;
            transition: all 0.3s ease;
            color: white;
            font-size: 1.2rem;
        }

        .slide-nav:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: translateY(-50%) scale(1.1);
        }

        .slide-nav.prev { left: 30px; }
        .slide-nav.next { right: 30px; }

        @media (max-width: 768px) {
            .slide-nav {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            .slide-nav.prev { left: 15px; }
            .slide-nav.next { right: 15px; }
            .slide-indicators {
                bottom: 100px;
            }
        }

        .hero-bg {
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            transform-origin: center center;
        }

        @keyframes heroZoom {
            0% { transform: scale(1); }
            100% { transform: scale(1.1); }
        }

        .hero-overlay {
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: linear-gradient(135deg, rgba(10, 22, 40, 0.85) 0%, rgba(13, 71, 161, 0.7) 50%, rgba(10, 22, 40, 0.85) 100%);
            z-index: 5;
        }

        .hero-content {
            position: relative;
            z-index: 10;
            padding: 0 5%;
            max-width: 1400px;
            margin: 0 auto;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 3rem;
        }

        .hero-left {
            flex: 1;
            max-width: 700px;
        }

        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            animation: fadeInRight 0.8s ease 0.6s forwards;
            opacity: 0;
        }

        @keyframes fadeInRight {
            from { opacity: 0; transform: translateX(30px); }
            to { opacity: 1; transform: translateX(0); }
        }

        .hero-quick-item-side {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.5rem;
            background: rgba(255, 255, 255, 0.1);
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 16px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            min-width: 180px;
        }

        .hero-quick-item-side:hover {
            background: rgba(255, 109, 0, 0.9);
            border-color: var(--accent-orange);
            transform: translateX(-10px);
            box-shadow: 0 10px 30px rgba(255, 109, 0, 0.3);
        }

        .hero-quick-item-side .hero-quick-icon {
            font-size: 1.5rem;
            line-height: 1;
        }

        .hero-quick-item-side .hero-quick-label {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-light);
            white-space: nowrap;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 0.6rem 1.2rem;
            border-radius: 50px;
            color: var(--text-light);
            font-size: 0.9rem;
            margin-top: 0;
            margin-bottom: 2rem;
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
            animation: fadeInUp 0.8s ease forwards;
            opacity: 0;
        }

        .hero-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--accent-orange);
            border-radius: 50%;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.2); }
        }

        .hero h1 {
            font-family: 'Outfit', sans-serif;
            font-size: clamp(3rem, 8vw, 6rem);
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.1;
            margin-bottom: 1.5rem;
            animation: fadeInUp 0.8s ease 0.2s forwards;
            opacity: 0;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--accent-orange) 0%, #ff9100 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.3rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 650px;
            line-height: 1.8;
            margin-bottom: 2.5rem;
            animation: fadeInUp 0.8s ease 0.4s forwards;
            opacity: 0;
        }

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            animation: fadeInUp 0.8s ease 0.6s forwards;
            opacity: 0;
        }

        .btn-primary {
            background: var(--accent-orange);
            color: white;
            padding: 1.1rem 2.8rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(255, 109, 0, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(255, 109, 0, 0.4);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.1);
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
            color: white;
            padding: 1.1rem 2.8rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: all 0.3s ease;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.5);
        }

        .hero-stats {
            display: flex;
            gap: 4rem;
            margin-top: 5rem;
            padding-top: 3rem;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            animation: fadeInUp 0.8s ease 0.8s forwards;
            opacity: 0;
        }

        .stat-item { text-align: left; }

        .stat-number {
            font-family: 'Outfit', sans-serif;
            font-size: 3rem;
            font-weight: 700;
            color: var(--text-light);
            line-height: 1;
        }

        .stat-number span { color: var(--accent-orange); }

        /* Hero Quick Navigation */
        .hero-quick-nav {
            display: flex;
            gap: 1rem;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            animation: fadeInUp 0.8s ease 0.8s forwards;
            opacity: 0;
            flex-wrap: wrap;
            justify-content: center;
        }

        .hero-quick-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
            padding: 1rem 1.2rem;
            background: rgba(255, 255, 255, 0.1);
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 16px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            min-width: 90px;
        }

        .hero-quick-item:hover {
            background: rgba(255, 109, 0, 0.9);
            border-color: var(--accent-orange);
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(255, 109, 0, 0.3);
        }

        .hero-quick-icon {
            font-size: 1.8rem;
            line-height: 1;
        }

        .hero-quick-label {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-light);
            white-space: nowrap;
        }

        .stat-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            margin-top: 0.5rem;
        }

        .scroll-indicator {
            position: absolute;
            bottom: 3rem;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.8rem;
            animation: bounce 2s ease-in-out infinite;
        }

        .scroll-indicator .mouse {
            width: 26px;
            height: 42px;
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: 13px;
            position: relative;
        }

        .scroll-indicator .mouse::before {
            content: '';
            width: 4px;
            height: 10px;
            background: var(--accent-orange);
            border-radius: 2px;
            position: absolute;
            top: 6px;
            left: 50%;
            transform: translateX(-50%);
            animation: scrollDown 2s ease-in-out infinite;
        }

        @keyframes bounce {
            0%, 100% { transform: translateX(-50%) translateY(0); }
            50% { transform: translateX(-50%) translateY(10px); }
        }

        @keyframes scrollDown {
            0%, 100% { opacity: 0; top: 6px; }
            50% { opacity: 1; top: 18px; }
        }

        /* Section Common */
        .section-container {
            max-width: 1400px;
            margin: 0 auto;
        }

        .section-header {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-label {
            display: inline-block;
            background: rgba(255, 109, 0, 0.1);
            color: var(--accent-orange);
            padding: 0.5rem 1.5rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 1rem;
            border: 1px solid rgba(255, 109, 0, 0.2);
        }

        .section-title {
            font-family: 'Outfit', sans-serif;
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 1rem;
        }

        .section-title.light { color: var(--text-light); }

        .section-subtitle {
            font-size: 1.1rem;
            color: #666;
            max-width: 600px;
            margin: 0 auto;
        }

        .section-subtitle.light { color: rgba(255, 255, 255, 0.7); }

        /* Value Props */
        .value-props {
            padding: 6rem 5%;
            background: white;
        }

        .value-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .value-card {
            background: var(--light-gray);
            padding: 3rem 2rem;
            border-radius: 20px;
            text-align: center;
            position: relative;
            overflow: hidden;
            transition: all 0.4s ease;
            border: 1px solid transparent;
        }

        .value-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 4px;
            background: var(--gradient-accent);
            transform: scaleX(0);
            transition: transform 0.4s ease;
        }

        .value-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 60px rgba(13, 71, 161, 0.15);
            border-color: rgba(13, 71, 161, 0.1);
        }

        .value-card:hover::before { transform: scaleX(1); }

        .value-icon {
            width: 80px;
            height: 80px;
            background: var(--gradient-accent);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            font-size: 2rem;
            color: white;
            transition: transform 0.4s ease;
        }

        .value-card:hover .value-icon { transform: scale(1.1) rotate(5deg); }

        .value-card h3 {
            font-family: 'Outfit', sans-serif;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--primary-dark);
        }

        .value-card p {
            color: #666;
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* CEO Message */
        .ceo-message {
            padding: 8rem 5%;
            background: var(--light-gray);
        }

        .ceo-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 4rem;
            align-items: center;
        }

        .ceo-photo {
            width: 100%;
            max-width: 350px;
            aspect-ratio: 3/4;
            background: var(--gradient-accent);
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 6rem;
            color: rgba(255, 255, 255, 0.3);
            box-shadow: 0 20px 60px rgba(13, 71, 161, 0.2);
            overflow: hidden;
        }

        /* 대표 사진 대신 회사 로고 — 사진으로 돌아가면 about.astro 의 is-logo 만 뺀다 */
        .ceo-photo.is-logo {
            aspect-ratio: 4/3;
            height: auto;
            margin: 0 auto;
            background-color: #fff;
            background-size: contain;
            background-repeat: no-repeat;
            background-position: center;
            background-origin: content-box;
            padding: 1.25rem;
            box-shadow: 0 12px 40px rgba(13, 71, 161, 0.12);
        }

        .ceo-content h2 {
            font-family: 'Outfit', sans-serif;
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 2rem;
        }

        .ceo-content .greeting {
            font-size: 1.2rem;
            color: var(--accent-orange);
            font-weight: 600;
            margin-bottom: 1.5rem;
        }

        .ceo-content p {
            color: #555;
            line-height: 2;
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
        }

        .ceo-signature {
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid #ddd;
        }

        .ceo-signature .position {
            color: #888;
            font-size: 0.9rem;
            margin-bottom: 0.3rem;
        }

        .ceo-signature .name {
            font-family: 'Outfit', sans-serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: #555;
        }

        /* Organization */
        .organization {
            padding: 8rem 5%;
            background: white;
        }

        .org-chart {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4rem;
        }

        .org-level {
            display: flex;
            justify-content: center;
            gap: 2rem;
            position: relative;
        }

        .org-level::before {
            content: '';
            position: absolute;
            top: -2rem;
            left: 50%;
            width: 2px;
            height: 2rem;
            background: var(--primary-blue);
        }

        .org-level:first-child::before { display: none; }

        .org-card {
            background: var(--light-gray);
            padding: 1.5rem 2.5rem;
            border-radius: 16px;
            text-align: center;
            position: relative;
            transition: all 0.3s ease;
            min-width: 180px;
        }

        .org-card.ceo {
            background: var(--gradient-accent);
            color: white;
            padding: 0.8rem 1.5rem;
            box-shadow: 0 6px 20px rgba(13, 71, 161, 0.25);
            min-width: auto;
        }

        .org-card.ceo .org-icon { font-size: 1.2rem; margin-bottom: 0.2rem; }
        .org-card.ceo .org-title { color: rgba(255, 255, 255, 0.8); font-size: 0.7rem; }
        .org-card.ceo .org-name { color: white; font-size: 0.9rem; }

        .org-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
        }

        .org-icon { font-size: 2rem; margin-bottom: 0.5rem; }

        .org-title {
            font-size: 0.85rem;
            color: #888;
            margin-bottom: 0.3rem;
        }

        .org-name {
            font-family: 'Outfit', sans-serif;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary-dark);
        }

        .org-departments {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            position: relative;
            flex-wrap: wrap;
        }

        .org-departments::before {
            content: '';
            position: absolute;
            top: -2rem;
            left: 10%; right: 10%;
            height: 2px;
            background: var(--primary-blue);
        }

        .org-departments .org-card::before {
            content: '';
            position: absolute;
            top: -2rem;
            left: 50%;
            width: 2px;
            height: 2rem;
            background: var(--primary-blue);
        }

        .org-departments-with-teams {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            width: 100%;
            max-width: 1200px;
            position: relative;
        }

        .org-departments-with-teams::before {
            content: '';
            position: absolute;
            top: -2rem;
            left: calc((100% - 6rem) / 8);
            right: calc((100% - 6rem) / 8);
            height: 2px;
            background: var(--primary-blue);
        }

        .org-departments-with-teams::after {
            content: '';
            position: absolute;
            top: -4rem;
            left: 50%;
            transform: translateX(-50%);
            width: 2px;
            height: 2rem;
            background: var(--primary-blue);
        }

        .org-dept-column {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0;
        }

        .org-dept-column .org-card {
            position: relative;
            z-index: 2;
        }

        .org-dept-column .org-card::before {
            content: '';
            position: absolute;
            top: -2rem;
            left: 50%;
            transform: translateX(-50%);
            width: 2px;
            height: 2rem;
            background: var(--primary-blue);
        }

        .dept-teams {
            display: flex;
            flex-direction: row;
            flex-wrap: nowrap;
            justify-content: center;
            align-items: center;
            gap: 0.4rem;
            margin-top: 1rem;
        }

        .team-tag {
            background: white;
            padding: 0.35rem 0.7rem;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--primary-dark);
            border: 1px solid #e0e0e0;
            text-align: center;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .team-tag:hover {
            background: var(--primary-blue);
            color: white;
            border-color: var(--primary-blue);
        }

        @media (max-width: 1024px) {
            .org-departments-with-teams {
                grid-template-columns: repeat(2, 1fr);
                gap: 2.5rem 2rem;
            }
            .org-departments-with-teams::before {
                display: none;
            }
            .org-dept-column .org-card::before {
                display: none;
            }
        }

        @media (max-width: 600px) {
            .org-departments-with-teams {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }

        /* Eco Section - 친환경 섹션 */
        .eco-section {
            padding: 8rem 5%;
            background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
            position: relative;
            overflow: hidden;
        }

        .eco-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            opacity: 0.08;
        }

        .eco-section .section-container {
            position: relative;
            z-index: 1;
        }

        .eco-section .section-label {
            background: var(--gradient-eco);
            color: white;
        }

        .eco-section .section-title {
            color: var(--eco-green-dark);
        }

        .eco-intro {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 4rem;
        }

        .eco-intro p {
            font-size: 1.1rem;
            color: #333;
            line-height: 1.8;
        }

        .eco-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 4rem;
        }

        .eco-stat-card {
            background: white;
            border-radius: 20px;
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: 0 10px 40px rgba(46, 125, 50, 0.15);
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }

        .eco-stat-card:hover {
            transform: translateY(-8px);
            border-color: var(--eco-green-light);
        }

        .eco-stat-icon {
            width: 70px;
            height: 70px;
            background: var(--gradient-eco);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem;
            font-size: 2rem;
        }

        .eco-stat-number {
            font-family: 'Outfit', sans-serif;
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--eco-green);
            margin-bottom: 0.3rem;
        }

        .eco-stat-unit {
            font-size: 1rem;
            color: var(--eco-green);
        }

        .eco-stat-label {
            font-size: 0.9rem;
            color: #666;
            margin-top: 0.5rem;
        }

        .eco-flow {
            background: white;
            border-radius: 24px;
            padding: 3rem;
            box-shadow: 0 15px 50px rgba(46, 125, 50, 0.1);
        }

        .eco-flow-title {
            text-align: center;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--eco-green-dark);
            margin-bottom: 2.5rem;
        }

        .eco-flow-steps {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .eco-flow-step {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 1.5rem;
            min-width: 160px;
        }

        .eco-flow-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.2rem;
            margin-bottom: 1rem;
            border: 3px solid var(--eco-green-light);
        }

        .eco-flow-step-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--eco-green-dark);
            margin-bottom: 0.3rem;
        }

        .eco-flow-step-desc {
            font-size: 0.85rem;
            color: #666;
        }

        .eco-flow-arrow {
            font-size: 2rem;
            color: var(--eco-green);
        }

        .eco-certifications {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-top: 3rem;
            flex-wrap: wrap;
        }

        .eco-cert {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            background: white;
            padding: 1rem 1.5rem;
            border-radius: 50px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
        }

        .eco-cert-icon {
            font-size: 1.5rem;
        }

        .eco-cert-text {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--eco-green-dark);
        }

        @media (max-width: 1024px) {
            .eco-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .eco-flow-steps {
                gap: 0.5rem;
            }
            .eco-flow-step {
                min-width: 140px;
                padding: 1rem;
            }
            .eco-flow-arrow {
                display: none;
            }
        }

        @media (max-width: 600px) {
            .eco-stats {
                grid-template-columns: 1fr;
            }
            .eco-flow {
                padding: 2rem 1.5rem;
            }
            .eco-flow-steps {
                flex-direction: column;
            }
        }

        /* CI Section */
        .ci-section,
        .family-section {
            padding: 8rem 5%;
            background: var(--light-gray);
        }

        .ci-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
        }

        .ci-logo-area {
            background: white;
            padding: 4rem;
            border-radius: 24px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
        }

        .ci-logo-main {
            font-family: 'Outfit', sans-serif;
            font-size: 5rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 1rem;
        }

        .ci-logo-main span { color: var(--accent-orange); }

        .ci-main-logo-img {
            width: 100%;
            max-width: 350px;
            max-height: 150px;
            object-fit: contain;
        }

        .ci-logo-text {
            font-family: 'Outfit', sans-serif;
            font-size: 5rem;
            font-weight: 800;
            color: var(--primary-dark);
        }

        .ci-logo-text span { color: var(--accent-orange); }

        .ci-var-img {
            display: block;
            max-width: 150px;
            height: 46px;
            object-fit: contain;
            margin: 0 auto 0.5rem;
        }

        .ci-logo-sub {
            color: #888;
            font-size: 1rem;
            letter-spacing: 2px;
        }

        .ci-logo-variations {
            display: flex;
            gap: 2rem;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid #eee;
            flex-wrap: wrap;
            justify-content: center;
        }

        .ci-variation { text-align: center; }

        .ci-variation-logo {
            width: 100px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            margin-bottom: 0.5rem;
            font-family: 'Outfit', sans-serif;
            font-weight: 800;
            font-size: 1.2rem;
        }

        .ci-variation-logo.dark {
            background: var(--primary-dark);
            color: white;
        }
        .ci-variation-logo.dark span { color: var(--accent-orange); }

        .ci-variation-logo.light {
            background: #f0f0f0;
            color: var(--primary-dark);
        }
        .ci-variation-logo.light span { color: var(--accent-orange); }

        .ci-variation-logo.orange {
            background: var(--accent-orange);
            color: white;
        }

        .ci-variation p { font-size: 0.8rem; color: #888; }

        .ci-info {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .ci-info-card,
        .family-card {
            background: white;
            padding: 2rem;
            border-radius: 16px;
        }

        .ci-info-card h4,
        .family-card h4 {
            font-family: 'Outfit', sans-serif;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 1rem;
        }

        .ci-info-card p,
        .family-card p {
            color: #666;
            line-height: 1.8;
            font-size: 0.95rem;
        }

        .ci-colors {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
            flex-wrap: wrap;
        }

        .ci-color { text-align: center; }

        .ci-color-box {
            width: 80px;
            height: 80px;
            border-radius: 12px;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: flex-end;
            justify-content: center;
            padding-bottom: 0.5rem;
            color: white;
            font-size: 0.7rem;
            font-weight: 600;
        }

        .ci-color-box.primary { background: var(--primary-dark); }
        .ci-color-box.blue { background: var(--primary-blue); }
        .ci-color-box.orange { background: var(--accent-orange); }
        .ci-color-box.gray { background: var(--light-gray); color: #666; }

        .ci-color span { font-size: 0.75rem; color: #888; }

        /* History */
        .history {
            padding: 8rem 5%;
            background: white;
        }

        .timeline {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 100%;
            background: var(--gradient-accent);
            border-radius: 2px;
        }

        .timeline-item {
            display: flex;
            justify-content: flex-end;
            padding-right: 50%;
            position: relative;
            margin-bottom: 3rem;
        }

        .timeline-item:nth-child(even) {
            justify-content: flex-start;
            padding-right: 0;
            padding-left: 50%;
        }

        .timeline-content {
            background: var(--light-gray);
            padding: 2rem;
            border-radius: 16px;
            width: calc(100% - 40px);
            transition: all 0.3s ease;
        }

        .timeline-content:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 20px;
            background: var(--accent-orange);
            border: 4px solid white;
            border-radius: 50%;
            box-shadow: 0 4px 10px rgba(255, 109, 0, 0.3);
        }

        .timeline-year {
            font-family: 'Outfit', sans-serif;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-orange);
            margin-bottom: 0.5rem;
        }

        .timeline-desc {
            color: #666;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .timeline-desc + .timeline-desc {
            margin-top: 0.4rem;
        }

        /* 회사소개 상단 배너 — 메인 히어로(전체 화면·좌우 배치)를 물려받지 않게 */
        #about-hero {
            height: auto;
            min-height: 360px;
            background: url('/images/catalog/company-hq-wide.webp') center/cover;
        }

        #about-hero .hero-content {
            flex-direction: column;
            justify-content: center;
            text-align: center;
            gap: 1rem;
            padding-top: 120px;
            padding-bottom: 60px;
        }

        /* 경영이념 */
        .ceo-values {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin: 1.5rem 0;
        }

        .ceo-values span {
            padding: 0.4rem 1rem;
            border: 1px solid var(--accent-orange);
            border-radius: 999px;
            color: var(--accent-orange);
            font-weight: 700;
            font-size: 0.95rem;
        }

        /* 관계사 */
        .family-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 2rem;
        }

        .family-card h4 {
            margin-bottom: 0.5rem;
        }

        .family-link {
            margin-top: 2rem;
            text-align: center;
            font-weight: 600;
        }

        .family-link a {
            color: var(--accent-orange);
        }

        .family-card .family-since {
            color: var(--accent-orange);
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 0.75rem;
        }

        /* Partners Section */
        .partners-section {
            padding: 4rem 5%;
            background: white;
            overflow: hidden;
        }

        .partners-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .partners-header h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 0.5rem;
        }

        .partners-header p {
            font-size: 1rem;
            color: #666;
        }

        .partners-header .trust-count {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--light-gray);
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            margin-top: 1rem;
        }

        .partners-header .trust-count strong {
            color: var(--primary-blue);
            font-size: 1.3rem;
        }

        .partners-slider-wrapper {
            position: relative;
            width: 100%;
            overflow: hidden;
            mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
            -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
        }

        .partners-slider {
            display: flex;
            gap: 4rem;
            animation: slidePartners 25s linear infinite;
            width: max-content;
        }

        .partners-slider:hover {
            animation-play-state: paused;
        }

        @keyframes slidePartners {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        .partner-logo {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-width: 160px;
            height: 90px;
            padding: 1rem 2rem;
            background: white;
            border-radius: 12px;
            transition: all 0.3s ease;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .partner-logo:hover {
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            transform: translateY(-5px);
        }

        .partner-logo-text {
            font-family: 'Outfit', sans-serif;
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        .partner-logo-sub {
            font-size: 0.65rem;
            color: #999;
            margin-top: 0.15rem;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        /* 개별 브랜드 컬러 */
        .partner-logo.kcc .partner-logo-text { color: #003087; }
        .partner-logo.byucksan .partner-logo-text { color: #0066b3; }
        .partner-logo.kgsteel .partner-logo-text { color: #e31837; }
        .partner-logo.posco .partner-logo-text { color: #00548e; }
        .partner-logo.hyundai .partner-logo-text { color: #002c5f; }
        .partner-logo.dongkuk .partner-logo-text { color: #003366; }
        .partner-logo.hanwha .partner-logo-text { color: #ff6600; }

        /* Products */
        .products {
            padding: 8rem 5%;
            background: var(--gradient-dark);
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 2rem;
        }

        .product-card {
            background: white;
            border-radius: 24px;
            overflow: hidden;
            transition: all 0.4s ease;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        }

        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
        }

        /* 제품 렌더·도면이 잘리지 않게 */
        .product-image {
            height: 220px;
            padding: 12px;
            background-color: #fff;
            position: relative;
        }

        .product-image img {
            display: block;
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .product-content { padding: 1.5rem; }

        .product-group-title {
            grid-column: 1 / -1;
            margin-top: 1.5rem;
            padding-bottom: 0.6rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.25);
            color: white;
            font-size: 1.25rem;
            font-weight: 700;
        }

        .product-spec-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
        }

        .product-spec-table th,
        .product-spec-table td {
            padding: 0.65rem 0.75rem;
            border-bottom: 1px solid #e5e7eb;
            text-align: left;
            vertical-align: top;
            line-height: 1.6;
        }

        .product-spec-table th {
            width: 34%;
            color: var(--primary-dark);
            font-weight: 600;
            background: var(--light-gray);
        }

        .product-spec-note {
            margin-top: 0.75rem;
            color: #888;
            font-size: 0.82rem;
            line-height: 1.6;
        }

        .product-tag {
            display: inline-block;
            background: rgba(255, 109, 0, 0.1);
            color: var(--accent-orange);
            padding: 0.4rem 1rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .product-card h3 {
            font-family: 'Outfit', sans-serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 0.8rem;
        }

        .product-card p {
            color: #666;
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .product-features {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 1.5rem;
        }

        .feature-tag {
            background: var(--light-gray);
            color: var(--primary-dark);
            padding: 0.4rem 0.8rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
        }

        .product-link {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--primary-blue);
            text-decoration: none;
            font-weight: 600;
            transition: gap 0.3s ease;
        }

        .product-link:hover {
            gap: 1rem;
            color: var(--accent-orange);
        }

        /* Portfolio */
        .portfolio {
            padding: 8rem 5%;
            background: var(--gradient-dark);
        }

        .portfolio .section-title,
        .portfolio .section-subtitle,
        .portfolio .section-label {
            color: white;
        }

        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }

        .portfolio-item {
            background: white;
            border-radius: 24px;
            overflow: hidden;
            transition: all 0.4s ease;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
            display: flex;
            flex-direction: column;
            height: 450px;
        }

        .portfolio-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
        }

        .portfolio-image {
            height: 60%;
            flex-shrink: 0;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .portfolio-content {
            height: 40%;
            padding: 0.8rem 1rem;
            background: white;
            display: flex;
            flex-direction: column;
            justify-content: center;
            overflow: hidden;
        }

        .portfolio-tag {
            display: inline-block;
            background: rgba(255, 109, 0, 0.1);
            color: var(--accent-orange);
            padding: 0.2rem 0.6rem;
            border-radius: 12px;
            font-size: 0.6rem;
            font-weight: 600;
            margin-bottom: 0.4rem;
        }

        .portfolio-content h4 {
            font-family: 'Outfit', sans-serif;
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 0.3rem;
        }

        .portfolio-content p {
            color: #666;
            font-size: 0.75rem;
            line-height: 1.4;
            margin-bottom: 0.5rem;
        }

        .portfolio-features {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem;
            margin-bottom: 0.5rem;
        }

        .portfolio-feature-tag {
            background: var(--light-gray);
            color: var(--primary-dark);
            padding: 0.2rem 0.5rem;
            border-radius: 12px;
            font-size: 0.6rem;
            font-weight: 500;
        }

        .portfolio-link {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            color: var(--primary-blue);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.75rem;
            transition: gap 0.3s ease;
        }

        .portfolio-link:hover {
            gap: 0.6rem;
            color: var(--accent-orange);
        }

        .portfolio-tags {
            display: flex;
            gap: 0.5rem;
            margin-top: 0.8rem;
        }

        .portfolio-tags span {
            background: rgba(255, 109, 0, 0.8);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 500;
        }

        /* Certifications */
        .certifications {
            padding: 8rem 5%;
            background: var(--light-gray);
        }

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

        .cert-card {
            background: white;
            padding: 2rem;
            border-radius: 20px;
            text-align: center;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }

        .cert-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
            border-color: var(--accent-orange);
        }

        .cert-icon {
            width: 80px;
            height: 80px;
            background: var(--light-gray);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            font-size: 2.5rem;
        }

        .cert-card h4 {
            font-family: 'Outfit', sans-serif;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 0.5rem;
        }

        .cert-card p {
            color: #666;
            font-size: 0.9rem;
        }

        .cert-card[data-action] {
            cursor: zoom-in;
        }

        .cert-card .cert-view {
            display: inline-block;
            margin-top: 0.75rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-orange);
        }

        .cert-card p.cert-valid {
            margin-top: 0.5rem;
            font-size: 0.8rem;
            color: #888;
        }

        /* Downloads */
        .downloads {
            padding: 8rem 5%;
            background: white;
        }

        .download-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }

        .download-card {
            background: var(--light-gray);
            padding: 2rem;
            border-radius: 16px;
            display: flex;
            align-items: center;
            gap: 1.5rem;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .download-card:hover {
            background: white;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transform: translateX(10px);
        }

        .download-icon {
            width: 60px;
            height: 60px;
            background: var(--gradient-accent);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            flex-shrink: 0;
        }

        .download-info h4 {
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 0.3rem;
        }

        .download-info p {
            color: #888;
            font-size: 0.85rem;
        }

        .download-info .file-size {
            color: var(--accent-orange);
            font-weight: 600;
            font-size: 0.8rem;
            margin-top: 0.3rem;
        }

        /* Video */
        .video-section {
            padding: 8rem 5%;
            background: var(--gradient-dark);
        }

        .video-container {
            max-width: 1100px;
            margin: 0 auto;
        }

        .video-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }
        .video-item { margin: 0; min-width: 0; }
        .video-item video { display: block; width: 100%; aspect-ratio: 16 / 9; background: #000; border-radius: 12px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3); }
        .video-item figcaption { margin-top: 0.8rem; text-align: center; color: #fff; font-weight: 600; }
        @media (max-width: 768px) {
            .video-list { grid-template-columns: 1fr; }
            /* 작업자 사진: 세로 화면에서 얼굴이 잘리지 않게 */
            .hero-slide:nth-child(5) { background-position: 74% center; }
        }

        .video-wrapper {
            position: relative;
            padding-bottom: 56.25%;
            height: 0;
            overflow: hidden;
            border-radius: 24px;
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
        }

        .play-btn {
            width: 100px;
            height: 100px;
            background: var(--accent-orange);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 10px 40px rgba(255, 109, 0, 0.4);
        }

        .play-btn:hover { transform: scale(1.1); }

        /* Notice */
        .notice {
            padding: 8rem 5%;
            background: var(--light-gray);
        }

        .notice-grid {
            display: block;
            max-width: 900px;
            margin: 0 auto;
        }

        .notice-list {
            background: white;
            border-radius: 20px;
            overflow: hidden;
        }

        .notice-header {
            background: var(--gradient-accent);
            color: white;
            padding: 1.5rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .notice-header h3 {
            font-family: 'Outfit', sans-serif;
            font-weight: 700;
        }

        .notice-header a {
            color: white;
            text-decoration: none;
            font-size: 0.9rem;
            opacity: 0.8;
        }

        .notice-header a:hover { opacity: 1; }

        .notice-item {
            padding: 1.2rem 2rem;
            border-bottom: 1px solid #eee;
            display: block;
            transition: background 0.3s ease;
            cursor: pointer;
        }

        .notice-item:last-child { border-bottom: none; }
        .notice-item:hover { background: var(--light-gray); }

        .notice-item .title {
            font-weight: 500;
            color: var(--primary-dark);
        }

        .notice-item .date {
            color: #888;
            font-size: 0.85rem;
        }

        .notice-item .notice-header-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }

        .notice-item .notice-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            background: #f9f9f9;
            border-radius: 8px;
            margin-top: 0;
            padding: 0 1rem;
            font-size: 0.95rem;
            color: #555;
            line-height: 1.8;
        }

        .notice-item.active .notice-content {
            max-height: 500px;
            padding: 1rem;
            margin-top: 1rem;
        }

        .quick-links {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .quick-link {
            background: white;
            padding: 1.5rem 2rem;
            border-radius: 16px;
            display: flex;
            align-items: center;
            gap: 1rem;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .quick-link:hover {
            transform: translateX(10px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .quick-link .icon {
            width: 50px;
            height: 50px;
            background: var(--gradient-accent);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.3rem;
        }

        .quick-link .text h4 {
            color: var(--primary-dark);
            font-weight: 600;
            margin-bottom: 0.2rem;
        }

        .quick-link .text p {
            color: #888;
            font-size: 0.85rem;
        }

        /* Careers */
        .careers {
            padding: 8rem 5%;
            background: white;
        }

        .careers-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .careers-content h2 {
            font-family: 'Outfit', sans-serif;
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
        }

        .careers-content p {
            color: #666;
            line-height: 1.9;
            margin-bottom: 2rem;
        }

        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }

        .benefit-item {
            background: var(--light-gray);
            padding: 1.2rem 1.5rem;
            border-radius: 12px;
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .benefit-item .icon { font-size: 1.5rem; }

        .benefit-item span {
            font-weight: 500;
            color: var(--primary-dark);
        }

        .careers-image {
            height: 400px;
            border-radius: 24px;
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .careers-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 71, 161, 0.3) 0%, rgba(21, 101, 192, 0.1) 100%);
        }

        /* About */
        .about {
            padding: 8rem 5%;
            background: var(--light-gray);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .about-text {
            color: #555;
            line-height: 1.9;
            margin: 1.5rem 0;
            font-size: 1.05rem;
        }

        .about-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .about-feature {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
        }

        .about-feature-icon {
            width: 48px;
            height: 48px;
            background: var(--gradient-accent);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .about-feature-text h4 {
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: var(--primary-dark);
        }

        .about-feature-text p {
            color: #666;
            font-size: 0.9rem;
        }

        .about-visual { position: relative; }

        .about-image-main {
            width: 100%;
            aspect-ratio: 1060 / 614;
            border-radius: 24px;
            background-image: url('/images/catalog/company-hq.webp');
            background-size: cover;
            background-position: center;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
        }

        .about-floating-card {
            position: absolute;
            bottom: -30px;
            right: -30px;
            background: white;
            padding: 2rem;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
            text-align: center;
        }

        .about-floating-card .number {
            font-family: 'Outfit', sans-serif;
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent-orange);
            line-height: 1;
        }

        .about-floating-card .label {
            color: #666;
            font-size: 0.9rem;
            margin-top: 0.5rem;
        }

        /* Contact */
        .contact {
            padding: 8rem 5%;
            background: white;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 4rem;
        }

        .contact-info h2 {
            font-family: 'Outfit', sans-serif;
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 1rem;
        }

        .contact-info > p {
            color: #666;
            line-height: 1.8;
            margin-bottom: 2rem;
        }

        .contact-details {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
        }

        .contact-icon {
            width: 50px;
            height: 50px;
            background: var(--gradient-accent);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .contact-text h4 {
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 0.3rem;
        }

        .contact-text p {
            color: #666;
            font-size: 0.95rem;
        }

        .contact-form-wrapper {
            background: var(--light-gray);
            padding: 3rem;
            border-radius: 24px;
        }

        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .form-group label {
            font-weight: 500;
            color: var(--primary-dark);
            font-size: 0.9rem;
        }

        .required-mark {
            color: #e53935;
            font-weight: bold;
        }

        /* 입력을 시도한 뒤에만 빨갛게. :invalid 는 빈 칸도 처음부터 오류처럼 보인다 */
        .form-group input:user-invalid,
        .form-group textarea:user-invalid,
        .form-group select:user-invalid {
            border-color: #e53935;
        }

        .form-group input:valid,
        .form-group textarea:valid,
        .form-group select:valid:not([value=""]) {
            border-color: #4caf50;
        }

        .form-error-message {
            background: #ffebee;
            border: 1px solid #ef5350;
            border-radius: 8px;
            padding: 1rem;
            margin-bottom: 1rem;
            color: #c62828;
            font-size: 0.9rem;
        }

        .form-error-message ul {
            margin: 0.5rem 0 0 1.2rem;
            padding: 0;
        }

        .form-error-message li {
            margin: 0.3rem 0;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 1rem 1.2rem;
            border: 2px solid #e0e0e0;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            transition: all 0.3s ease;
            background: white;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
            border-color: var(--primary-blue);
        }
        .form-group input:focus:not(:focus-visible),
        .form-group textarea:focus:not(:focus-visible),
        .form-group select:focus:not(:focus-visible) {
            outline: none;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 120px;
        }

        .submit-btn {
            background: var(--accent-orange);
            color: white;
            padding: 1.2rem 2rem;
            border: none;
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .submit-btn:hover {
            background: #e65100;
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(255, 109, 0, 0.3);
        }

        /* 라디오 버튼 스타일 */
        .radio-group {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 8px;
        }

        .radio-label {
            display: flex;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            padding: 15px 20px;
            background: #f8f9fa;
            border: 2px solid #e9ecef;
            border-radius: 10px;
            transition: all 0.3s ease;
        }

        .radio-label:hover {
            border-color: var(--primary-blue);
            background: #f0f7ff;
        }

        .radio-label input[type="radio"] {
            display: none;
        }

        .radio-custom {
            width: 22px;
            height: 22px;
            border: 2px solid #adb5bd;
            border-radius: 50%;
            position: relative;
            transition: all 0.3s ease;
            flex-shrink: 0;
        }

        .radio-custom::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) scale(0);
            width: 12px;
            height: 12px;
            background: var(--primary-blue);
            border-radius: 50%;
            transition: transform 0.2s ease;
        }

        .radio-label input[type="radio"]:checked + .radio-custom {
            border-color: var(--primary-blue);
        }

        .radio-label input[type="radio"]:checked + .radio-custom::after {
            transform: translate(-50%, -50%) scale(1);
        }

        .radio-label input[type="radio"]:checked ~ .radio-text {
            color: var(--primary-blue);
            font-weight: 600;
        }

        .radio-text {
            font-size: 0.95rem;
            color: #495057;
        }

        /* Map */
        .map-section {
            padding: 5rem 5%;
            background: var(--light-gray);
        }

        .map-content {
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 2rem;
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        }

        .map-iframe {
            height: 350px;
        }

        .map-iframe iframe {
            width: 100%;
            height: 100%;
            border: none;
        }

        .map-info {
            padding: 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .map-info-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1rem 0;
            border-bottom: 1px solid #eee;
        }

        .map-info-item:last-child {
            border-bottom: none;
        }

        .map-info-icon {
            width: 40px;
            height: 40px;
            background: var(--light-gray);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .map-info-text h4 {
            font-size: 0.85rem;
            color: #999;
            font-weight: 500;
            margin-bottom: 0.3rem;
        }

        .map-info-text p {
            font-size: 1rem;
            color: var(--text-dark);
            font-weight: 600;
        }

        @media (max-width: 900px) {
            .map-content {
                grid-template-columns: 1fr;
            }
            .map-info {
                padding: 1.5rem;
            }
        }

        /* Footer */
        .footer {
            background: var(--primary-dark);
            padding: 5rem 5% 2rem;
            color: var(--text-light);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 4rem;
        }

        .footer-brand .logo {
            font-size: 2rem;
            margin-bottom: 1rem;
            display: inline-block;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }

        .footer-social {
            display: flex;
            gap: 1rem;
        }

        .social-link {
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .social-link:hover {
            background: var(--accent-orange);
            transform: translateY(-3px);
        }

        .footer-links h4 {
            font-family: 'Outfit', sans-serif;
            font-weight: 700;
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color 0.3s ease;
            font-size: 0.95rem;
        }

        .footer-links a:hover { color: var(--accent-orange); }

        .footer-bottom {
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footer-bottom p {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
        }

        /* Animations */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .about-grid, .contact-grid, .ceo-grid, .careers-grid, .notice-grid, .ci-grid {
                grid-template-columns: 1fr;
            }
            .about-visual, .ceo-image { order: -1; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .timeline::before { left: 20px; }
            .timeline-item, .timeline-item:nth-child(even) {
                padding-left: 60px;
                padding-right: 0;
                justify-content: flex-start;
            }
            .timeline-item::after { left: 20px; }
        }

        @media (max-width: 768px) {
            .nav-links, .nav-cta { display: none; }
            .mobile-menu-btn { display: flex; }
            .value-grid { grid-template-columns: 1fr; }
            .hero-stats { flex-wrap: wrap; gap: 2rem; }
            .hero-quick-nav { gap: 0.6rem; margin-top: 2rem; padding-top: 1.5rem; }
            .hero-quick-item { padding: 0.7rem 0.8rem; min-width: 70px; border-radius: 12px; }
            .hero-quick-icon { font-size: 1.4rem; }
            .hero-quick-label { font-size: 0.7rem; }
            .form-row { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .about-features, .benefits-grid { grid-template-columns: 1fr; }
            .products-grid, .portfolio-grid { grid-template-columns: 1fr; }
            .ceo-photo { margin: 0 auto; }
            .about-floating-card {
                position: relative;
                bottom: 0; right: 0;
                margin: -50px auto 0;
                width: fit-content;
            }
        }

        /* Quote Calculator */
        .calculator-section {
            padding: 6rem 5%;
            background: var(--gradient-dark);
            position: relative;
            overflow: hidden;
        }

        .calculator-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 109, 0, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .calculator-container {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .calculator-header {
            text-align: center;
            margin-bottom: 3rem;
            color: white;
        }

        .calculator-header h2 {
            font-family: 'Outfit', sans-serif;
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }

        .calculator-header p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
        }

        .calculator-box {
            background: white;
            border-radius: 20px;
            padding: 3rem;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        .calc-form-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .calc-field {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .calc-field.full-width {
            grid-column: 1 / -1;
        }

        .calc-field label {
            font-weight: 600;
            color: var(--text-dark);
            font-size: 0.95rem;
        }

        .calc-field input,
        .calc-field select {
            padding: 1rem 1.2rem;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 1rem;
            transition: all 0.3s ease;
            font-family: inherit;
        }

        .calc-field input:focus,
        .calc-field select:focus {
            outline: 2px solid var(--accent-orange);
            outline-offset: 2px;
            border-color: var(--accent-orange);
            box-shadow: 0 0 0 4px rgba(255, 109, 0, 0.1);
        }
        .calc-field input:focus:not(:focus-visible),
        .calc-field select:focus:not(:focus-visible) {
            outline: none;
        }

        .calc-result {
            background: var(--light-gray);
            border-radius: 15px;
            padding: 2rem;
            text-align: center;
            margin-bottom: 2rem;
        }

        .calc-result-label {
            font-size: 0.95rem;
            color: #666;
            margin-bottom: 0.5rem;
        }

        .calc-result-value {
            font-family: 'Outfit', sans-serif;
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-orange);
        }

        .calc-result-note {
            font-size: 0.85rem;
            color: #999;
            margin-top: 0.5rem;
        }

        .calc-btn-group {
            display: flex;
            gap: 1rem;
            margin-top: 0.5rem;
        }

        .calc-btn {
            flex: 1;
            padding: 1.2rem;
            background: var(--accent-orange);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            text-decoration: none;
        }

        .calc-btn:hover {
            background: #e65c00;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 109, 0, 0.35);
        }

        .calc-contact-btn {
            background: var(--primary-blue);
        }

        .calc-contact-btn:hover {
            background: var(--accent-blue);
            box-shadow: 0 8px 25px rgba(13, 71, 161, 0.35);
        }

        @media (max-width: 768px) {
            .calc-form-grid {
                grid-template-columns: 1fr;
            }
            .calculator-box {
                padding: 1.5rem;
            }
            .calc-result-value {
                font-size: 2rem;
            }
            .calc-btn-group {
                flex-direction: column;
            }
        }

        /* Tech Blog Section */
        .blog-section {
            padding: 6rem 5%;
            background: white;
        }

        .blog-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .blog-card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .blog-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }

        .blog-image {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .blog-category {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--accent-orange);
            color: white;
            padding: 0.4rem 1rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .blog-content {
            padding: 1.5rem;
        }

        .blog-content h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 0.8rem;
            line-height: 1.4;
        }

        .blog-content p {
            font-size: 0.9rem;
            color: #666;
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .blog-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 1rem;
            border-top: 1px solid #eee;
            font-size: 0.85rem;
            color: #999;
        }

        .blog-read-more {
            color: var(--accent-orange);
            font-weight: 600;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .blog-read-more:hover {
            color: var(--primary-blue);
        }

        .blog-more-btn {
            display: block;
            width: fit-content;
            margin: 3rem auto 0;
            padding: 1rem 2.5rem;
            background: transparent;
            border: 2px solid var(--primary-blue);
            color: var(--primary-blue);
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
        }

        .blog-more-btn:hover {
            background: var(--primary-blue);
            color: white;
        }

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

        @media (max-width: 768px) {
            .blog-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Portfolio Enhanced */
        .portfolio-filter {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 3rem;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 0.8rem 1.8rem;
            border: 2px solid #ddd;
            background: white;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #666;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .filter-btn:hover {
            border-color: var(--accent-orange);
            color: var(--accent-orange);
        }

        .filter-btn.active {
            background: var(--accent-orange);
            border-color: var(--accent-orange);
            color: white;
        }

        .portfolio-item {
            position: relative;
            height: 350px;
            border-radius: 20px;
            overflow: hidden;
            cursor: pointer;
        }

        .portfolio-item::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.3) 50%, transparent 100%);
            z-index: 1;
        }

        .portfolio-content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 2rem;
            z-index: 2;
            color: white;
        }

        /* Free Sample Request */
        .sample-section {
            padding: 6rem 5%;
            background: linear-gradient(135deg, #fff5eb 0%, #fff 100%);
        }

        .sample-container {
            max-width: 1000px;
            margin: 0 auto;
        }

        .sample-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .sample-content h2 {
            font-family: 'Outfit', sans-serif;
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 1.5rem;
        }

        .sample-content h2 span {
            color: var(--accent-orange);
        }

        .sample-content p {
            color: #666;
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }

        .sample-benefits {
            list-style: none;
            margin-bottom: 2rem;
        }

        .sample-benefits li {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            padding: 0.6rem 0;
            color: #555;
        }

        .sample-benefits li::before {
            content: '✓';
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background: var(--accent-orange);
            color: white;
            border-radius: 50%;
            font-size: 12px;
            font-weight: bold;
        }

        .sample-form-box {
            background: white;
            border-radius: 20px;
            padding: 2.5rem;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        }

        .sample-form-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 1.5rem;
            text-align: center;
        }

        .sample-form-grid {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .sample-field input,
        .sample-field select {
            width: 100%;
            padding: 1rem 1.2rem;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 1rem;
            transition: all 0.3s ease;
            font-family: inherit;
        }

        .sample-field input:focus,
        .sample-field select:focus {
            outline: 2px solid var(--accent-orange);
            outline-offset: 2px;
            border-color: var(--accent-orange);
        }
        .sample-field input:focus:not(:focus-visible),
        .sample-field select:focus:not(:focus-visible) {
            outline: none;
        }

        .sample-field input::placeholder {
            color: #aaa;
        }

        .sample-checkbox {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: #666;
        }

        .privacy-view { color: inherit; text-decoration: underline; white-space: nowrap; }
        .contact-consent { margin: 0.25rem 0 1rem; }
        .footer-privacy { color: inherit; font-weight: 700; text-decoration: underline; }
        .notice[hidden] { display: none; }
        .mobile-more { display: none; }
        .product-group-toggle { all: unset; }
        .product-group-toggle:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }

        /* 개인정보 처리방침 */
        /* 배너 없는 흰 페이지라 위에서도 상단 바를 어둡게 둔다 (글자가 흰색) */
        body:has(.privacy-page) .navbar { background: rgba(10, 22, 40, 0.95); }
        .privacy-page { padding: 7rem 0 4rem; background: #fff; color: #333; }
        .privacy-body { max-width: 860px; line-height: 1.8; }
        .privacy-body h1 { font-size: 2rem; margin-bottom: 1rem; color: var(--primary-dark); }
        .privacy-body h2 { font-size: 1.15rem; margin: 2rem 0 0.6rem; color: var(--primary-dark); }
        .privacy-note { color: #777; font-size: 0.9rem; }
        .privacy-body ul { padding-left: 1.2rem; }
        .privacy-table { overflow-x: auto; margin-bottom: 0.8rem; }
        .privacy-table table { width: 100%; min-width: 480px; border-collapse: collapse; }
        .privacy-table th, .privacy-table td { border: 1px solid #ddd; padding: 0.6rem 0.8rem; text-align: left; vertical-align: top; }
        .privacy-table th { background: #f5f6f8; }

        /* 휴대폰: 제품은 구분별로 접고, 긴 목록은 앞 4건만 */
        @media (max-width: 768px) {
            .product-card.group-closed { display: none; }
            .product-group-toggle { display: flex; justify-content: space-between; align-items: center; width: 100%; cursor: pointer; }
            .product-group-toggle::after { content: '＋'; font-weight: 700; margin-left: 0.5rem; }
            .product-group-toggle[aria-expanded="true"]::after { content: '－'; }
            .is-clipped > :nth-child(n+5) { display: none; }
            .mobile-more { display: block; width: 100%; margin-top: 1.25rem; padding: 0.9rem; background: var(--accent-orange); color: #fff; border: 0; border-radius: 10px; font-size: 1rem; font-weight: 700; cursor: pointer; }
        }

        .sample-checkbox input[type="checkbox"] {
            width: 18px;
            height: 18px;
            accent-color: var(--accent-orange);
        }

        .sample-submit {
            width: 100%;
            padding: 1.2rem;
            background: var(--accent-orange);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 0.5rem;
        }

        .sample-submit:hover {
            background: #e65c00;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 109, 0, 0.35);
        }

        .sample-note {
            text-align: center;
            font-size: 0.85rem;
            color: #999;
            margin-top: 1rem;
        }

        @media (max-width: 768px) {
            .sample-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .sample-form-box {
                padding: 1.5rem;
            }
        }

        /* FAQ Section */
        .faq-section {
            padding: 6rem 5%;
            background: var(--light-gray);
        }

        .faq-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-categories {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 3rem;
            flex-wrap: wrap;
        }

        .faq-cat-btn {
            padding: 0.8rem 1.5rem;
            border: 2px solid #ddd;
            background: white;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #666;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .faq-cat-btn:hover {
            border-color: var(--primary-blue);
            color: var(--primary-blue);
        }

        .faq-cat-btn.active {
            background: var(--primary-blue);
            border-color: var(--primary-blue);
            color: white;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .faq-item {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 2rem;
            cursor: pointer;
            gap: 1rem;
        }

        .faq-question h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .faq-question h4::before {
            content: 'Q';
            display: flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--accent-orange);
            color: white;
            border-radius: 8px;
            font-family: 'Outfit', sans-serif;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .faq-toggle {
            width: 36px;
            height: 36px;
            background: var(--light-gray);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #666;
            transition: all 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-toggle {
            background: var(--primary-blue);
            color: white;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
        }

        .faq-answer-content {
            padding: 0 2rem 1.5rem 4.5rem;
            color: #555;
            line-height: 1.8;
            font-size: 0.95rem;
        }

        .faq-answer-content p {
            margin-bottom: 0.5rem;
        }

        .faq-answer-content ul {
            margin: 0.5rem 0;
            padding-left: 1.2rem;
        }

        .faq-answer-content li {
            margin-bottom: 0.3rem;
        }

        .faq-contact {
            text-align: center;
            margin-top: 3rem;
            padding: 2rem;
            background: white;
            border-radius: 16px;
        }

        .faq-contact p {
            color: #666;
            margin-bottom: 1rem;
        }

        .faq-contact a {
            display: inline-block;
            padding: 1rem 2rem;
            background: var(--accent-orange);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .faq-contact a:hover {
            background: #e65c00;
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .faq-question {
                padding: 1.2rem 1.5rem;
            }
            .faq-question h4 {
                font-size: 0.95rem;
            }
            .faq-answer-content {
                padding: 0 1.5rem 1.5rem 1.5rem;
            }
        }

        /* Promotion Popup */
        .popup-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.7);
            z-index: 10000;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .popup-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .popup-box {
            background: white;
            border-radius: 20px;
            max-width: 500px;
            width: 90%;
            overflow: hidden;
            transform: scale(0.8) translateY(20px);
            transition: all 0.4s ease;
            position: relative;
        }

        .popup-overlay.active .popup-box {
            transform: scale(1) translateY(0);
        }

        .popup-close {
            position: absolute;
            top: 15px;
            right: 15px;
            width: 36px;
            height: 36px;
            background: rgba(0, 0, 0, 0.1);
            border: none;
            border-radius: 50%;
            font-size: 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            z-index: 10;
        }

        .popup-close:hover {
            background: rgba(0, 0, 0, 0.2);
        }

        .popup-header {
            background: var(--gradient-dark);
            padding: 2.5rem 2rem;
            text-align: center;
            color: white;
        }

        .popup-badge {
            display: inline-block;
            background: var(--accent-orange);
            color: white;
            padding: 0.4rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 1rem;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        .popup-header h3 {
            font-family: 'Outfit', sans-serif;
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
        }

        .popup-header p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
        }

        .popup-content {
            padding: 2rem;
        }

        .popup-benefits {
            list-style: none;
            margin-bottom: 1.5rem;
        }

        .popup-benefits li {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            padding: 0.6rem 0;
            color: #444;
            font-size: 0.95rem;
        }

        .popup-benefits li::before {
            content: '✓';
            display: flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            background: #e8f5e9;
            color: #4caf50;
            border-radius: 50%;
            font-size: 12px;
            font-weight: bold;
        }

        .popup-cta {
            display: block;
            width: 100%;
            padding: 1.2rem;
            background: var(--accent-orange);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            text-decoration: none;
        }

        .popup-cta:hover {
            background: #e65c00;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 109, 0, 0.35);
        }

        .popup-skip {
            display: block;
            width: 100%;
            text-align: center;
            margin-top: 1rem;
            color: #999;
            font-size: 0.85rem;
            background: none;
            border: none;
            cursor: pointer;
        }

        .popup-skip:hover {
            color: #666;
        }

        .popup-timer {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 0.5rem;
        }

        /* Exit Intent Popup (different style) */
        .popup-overlay.exit-intent .popup-header {
            background: linear-gradient(135deg, #ff6d00 0%, #ff8f00 100%);
        }

        .popup-overlay.exit-intent .popup-badge {
            background: white;
            color: var(--accent-orange);
        }

        /* Success Popup (폼 제출 완료) */
        .popup-overlay.success-popup .popup-header {
            background: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
            text-align: center;
        }

        .popup-overlay.success-popup .success-icon {
            width: 70px;
            height: 70px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 2.5rem;
            color: #4CAF50;
            font-weight: bold;
        }

        .popup-overlay.success-popup .popup-header h3 {
            font-size: 1.6rem;
        }

        .popup-overlay.success-popup .success-desc {
            text-align: center;
            color: #666;
            margin-bottom: 1.5rem;
            font-size: 0.95rem;
        }

        .popup-overlay.success-popup .popup-cta {
            width: 100%;
            text-align: center;
            display: block;
        }

        /* Scroll Progress Bar */
        .scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            width: 0%;
            height: 4px;
            background: linear-gradient(90deg, var(--eco-green), var(--primary-blue), var(--accent-orange));
            z-index: 10000;
            transition: width 0.1s ease-out;
        }

        /* 책갈피 형태 사이드 버튼 */
        .side-bookmark-btns {
            position: fixed;
            right: 0;
            bottom: 10px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            z-index: 999;
        }

        .bookmark-btn {
            display: flex;
            align-items: center;
            justify-content: flex-start;
            padding: 12px 15px;
            background: var(--primary-blue);
            color: white;
            text-decoration: none;
            border: none;
            cursor: pointer;
            border-radius: 25px 0 0 25px;
            box-shadow: -3px 3px 10px rgba(0, 0, 0, 0.2);
            transition: all 0.3s ease;
            transform: translateX(calc(100% - 50px));
            min-width: 160px;
            font-size: 14px;
            font-weight: 500;
        }

        .bookmark-btn:hover {
            transform: translateX(0);
            box-shadow: -5px 5px 20px rgba(0, 0, 0, 0.3);
        }

        .bookmark-btn .bookmark-icon {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .bookmark-btn .bookmark-icon svg {
            width: 20px;
            height: 20px;
            fill: currentColor;
        }

        .bookmark-btn .bookmark-text {
            margin-left: 12px;
            white-space: nowrap;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .bookmark-btn:hover .bookmark-text {
            opacity: 1;
        }

        /* 개별 버튼 색상 */
        .bookmark-btn.youtube {
            background: #FF0000;
        }

        .bookmark-btn.kakao {
            background: #FEE500;
            color: #3C1E1E;
        }

        .bookmark-btn.top {
            background: #34495e;
        }

        .bookmark-btn.quote {
            background: var(--accent-orange);
        }

        @media (max-width: 768px) {
            .side-bookmark-btns {
                top: auto;
                bottom: 20px;
                transform: none;
            }
            .bookmark-btn {
                padding: 10px 12px;
                min-width: 140px;
                font-size: 13px;
                transform: translateX(calc(100% - 42px));
            }
            .bookmark-btn .bookmark-icon {
                width: 20px;
                height: 20px;
                font-size: 14px;
            }
            .bookmark-btn .bookmark-icon svg {
                width: 18px;
                height: 18px;
            }
        }

        /* ========== 통합 반응형 스타일 ========== */

        /* 노트북/작은 데스크톱 (1280px 이하) */
        @media (max-width: 1280px) {
            .section-container {
                padding: 0 3%;
            }
            .hero h1 {
                font-size: clamp(2.5rem, 6vw, 4.5rem);
            }
            .hero-subtitle {
                font-size: 1.1rem;
            }
        }

        /* 태블릿 (1024px 이하) */
        @media (max-width: 1024px) {
            .navbar .nav-menu {
                gap: 1.5rem;
            }
            .navbar .nav-menu a {
                font-size: 0.85rem;
            }
            .hero {
                min-height: 700px;
            }
            .hero h1 {
                font-size: clamp(2rem, 5vw, 3.5rem);
            }
            .hero-subtitle {
                font-size: 1rem;
                max-width: 500px;
            }
            .btn-primary, .btn-secondary {
                padding: 0.9rem 2rem;
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .ceo-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .partners-header h3 {
                font-size: 1.5rem;
            }
        }

        /* 태블릿 세로 / 큰 모바일 (768px 이하) */
        @media (max-width: 768px) {
            /* 네비게이션 */
            .navbar {
                padding: 0.8rem 4%;
            }
            .navbar .nav-menu {
                display: none;
            }
            .navbar .logo,
            .navbar.scrolled .logo {
                font-size: 1.5rem;
            }
            .lang-switch {
                gap: 0.3rem;
            }
            .lang-btn {
                padding: 0.3rem 0.6rem;
                font-size: 0.75rem;
            }

            /* 히어로 */
            .hero {
                min-height: 600px;
            }
            .hero-content {
                padding: 0 4%;
                flex-direction: column;
                text-align: center;
            }
            .hero-left {
                max-width: 100%;
            }
            .hero-right {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
                gap: 0.5rem;
                margin-top: 1.5rem;
            }
            .hero-quick-item-side {
                padding: 0.7rem 1rem;
                min-width: auto;
                gap: 0.6rem;
            }
            .hero-quick-item-side .hero-quick-icon {
                font-size: 1.2rem;
            }
            .hero-quick-item-side .hero-quick-label {
                font-size: 0.8rem;
            }
            .hero-quick-item-side:hover {
                transform: translateY(-5px);
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
                line-height: 1.7;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
                padding: 1rem 1.5rem;
            }

            /* 섹션 공통 */
            .section-header {
                margin-bottom: 2rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }

            /* Value Props */
            .value-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            /* 파트너사 */
            .partners-section {
                padding: 3rem 4%;
            }
            .partners-header h3 {
                font-size: 1.3rem;
            }
            .partner-logo {
                min-width: 120px;
                height: 70px;
                padding: 0.8rem 1rem;
            }
            .partner-logo-text {
                font-size: 1.1rem;
            }

            /* CEO */
            .ceo-photo {
                height: 300px;
            }

            /* 조직도 */
            .org-card {
                padding: 1rem 1.5rem;
                min-width: 140px;
            }
            .org-icon {
                font-size: 1.5rem;
            }

            /* 친환경 */
            .eco-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .eco-stat-card {
                padding: 1.5rem 1rem;
            }
            .eco-stat-number {
                font-size: 2rem;
            }
            .eco-flow {
                padding: 2rem 1rem;
            }
            .eco-flow-step {
                min-width: 120px;
                padding: 1rem;
            }
            .eco-flow-icon {
                width: 60px;
                height: 60px;
                font-size: 1.8rem;
            }

            /* 제품 */
            .product-card {
                padding: 1.5rem;
            }

            /* 포트폴리오 */
            .portfolio-filters {
                gap: 0.5rem;
            }
            .filter-btn {
                padding: 0.5rem 1rem;
                font-size: 0.8rem;
            }

            /* FAQ */
            .faq-question {
                padding: 1rem;
                font-size: 0.95rem;
            }

            /* 문의/지도 */
            .contact-grid {
                grid-template-columns: 1fr;
            }

            /* 푸터 */
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 2rem;
            }

            /* 문의하기 폼 */
            .contact-grid {
                grid-template-columns: 1fr;
            }
            .contact-form-wrapper {
                padding: 1.5rem;
                width: 100%;
                box-sizing: border-box;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .form-group input,
            .form-group textarea,
            .form-group select {
                width: 100%;
                box-sizing: border-box;
            }
            .form-error-message {
                padding: 0.9rem;
                font-size: 0.85rem;
            }
            .radio-group {
                flex-direction: column;
                gap: 0.8rem;
            }

            /* CI 소개 */
            .ci-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .ci-logo-area {
                padding: 2rem;
            }
            .ci-logo-main {
                font-size: 3rem;
            }
            .ci-logo-variations {
                gap: 1rem;
            }
            .ci-info {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .ci-info-card {
                padding: 1.2rem;
            }
            .ci-colors {
                flex-wrap: wrap;
                justify-content: center;
            }
        }

        /* 모바일 (480px 이하) */
        @media (max-width: 480px) {
            /* 네비게이션 */
            .navbar {
                padding: 0.7rem 3%;
            }
            .navbar .logo,
            .navbar.scrolled .logo {
                font-size: 1.3rem;
            }

            /* 히어로 */
            .hero {
                min-height: 550px;
            }
            .hero-badge {
                font-size: 0.8rem;
                padding: 0.5rem 1rem;
            }
            .hero h1 {
                font-size: 1.7rem;
                margin-bottom: 1rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
                margin-bottom: 1.5rem;
            }

            /* 섹션 */
            section {
                padding: 4rem 4%;
            }
            .section-title {
                font-size: 1.4rem;
            }

            /* 파트너사 */
            .partner-logo {
                min-width: 100px;
                height: 60px;
            }
            .partner-logo-text {
                font-size: 0.9rem;
            }
            .partner-logo-sub {
                font-size: 0.55rem;
            }

            /* CEO */
            .ceo-photo {
                height: 250px;
            }
            .ceo-content h2 {
                font-size: 1.4rem;
            }

            /* 조직도 */
            .org-card.ceo {
                padding: 0.6rem 1rem;
            }
            .org-departments-with-teams {
                gap: 1rem;
            }
            .org-card {
                padding: 0.8rem 1rem;
                min-width: 100px;
            }
            .org-title {
                font-size: 0.7rem;
            }
            .org-name {
                font-size: 0.85rem;
            }
            .team-tag {
                padding: 0.25rem 0.5rem;
                font-size: 0.65rem;
            }

            /* 친환경 */
            .eco-stats {
                grid-template-columns: 1fr;
            }
            .eco-certifications {
                flex-direction: column;
                align-items: center;
            }

            /* 제품 */
            .products-grid {
                grid-template-columns: 1fr;
            }

            /* 블로그 */
            .blog-grid {
                grid-template-columns: 1fr;
            }

            /* 간편견적/샘플 */
            .calculator-section, .sample-section {
                padding: 1.5rem;
            }

            /* 문의하기 폼 */
            .contact-form-wrapper {
                padding: 1.2rem;
                margin: 0;
                width: 100%;
                box-sizing: border-box;
            }
            .contact-form {
                width: 100%;
            }
            .form-row {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .form-group input,
            .form-group textarea,
            .form-group select {
                width: 100%;
                max-width: 100%;
                padding: 0.8rem;
                font-size: 0.9rem;
                box-sizing: border-box;
            }
            .form-group label {
                font-size: 0.85rem;
            }
            .required-mark {
                font-size: 0.9rem;
            }
            .form-error-message {
                padding: 0.8rem;
                font-size: 0.8rem;
                margin-bottom: 0.8rem;
            }
            .form-error-message ul {
                margin: 0.4rem 0 0 1rem;
            }
            .form-error-message li {
                margin: 0.2rem 0;
            }
            .radio-group {
                flex-direction: column;
                gap: 0.8rem;
            }
            .radio-label {
                font-size: 0.85rem;
            }
            .submit-btn {
                width: 100%;
                padding: 1rem;
                font-size: 0.95rem;
            }
            .contact-info h2 {
                font-size: 1.3rem;
            }
            .contact-grid {
                gap: 1.5rem;
            }

            /* CI 소개 */
            .ci-section,
            .family-section {
                padding: 3rem 3%;
            }
            .ci-grid {
                gap: 1.5rem;
            }
            .ci-logo-area {
                padding: 1rem;
                border-radius: 16px;
            }
            .ci-logo-main {
                font-size: 1.8rem;
            }
            .ci-logo-sub {
                font-size: 0.9rem;
                letter-spacing: 1px;
            }
            .ci-logo-variations {
                gap: 0.5rem;
                margin-top: 1.5rem;
                padding-top: 1rem;
            }
            .ci-variation-logo {
                width: 60px;
                height: 38px;
                font-size: 0.75rem;
                border-radius: 6px;
            }
            .ci-variation p {
                font-size: 0.6rem;
            }
            .ci-info-card {
                padding: 0.8rem;
                border-radius: 12px;
            }
            .ci-info-card h4 {
                font-size: 0.8rem;
            }
            .ci-info-card p {
                font-size: 0.75rem;
            }
            .ci-colors {
                gap: 0.5rem;
            }
            .ci-color-box {
                width: 38px;
                height: 38px;
                font-size: 0.5rem;
                border-radius: 8px;
                padding-bottom: 0.3rem;
            }
            .ci-color span {
                font-size: 0.55rem;
            }

            /* 푸터 */
            .footer-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }
        }

        /* ========== Loading Animation ========== */
        .page-loader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--primary-dark);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 99999;
            transition: opacity 0.5s ease, visibility 0.5s ease;
        }

        .page-loader.hidden {
            opacity: 0;
            visibility: hidden;
        }

        .loader-logo {
            font-family: 'Outfit', sans-serif;
            font-size: 5rem;
            font-weight: 800;
            color: white;
            margin-bottom: 2rem;
            animation: logoPulse 1.5s ease-in-out infinite;
        }

        .loader-logo span {
            color: var(--accent-orange);
        }

        @keyframes logoPulse {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.05); opacity: 0.8; }
        }

        .loader-spinner {
            width: 50px;
            height: 50px;
            border: 3px solid rgba(255, 255, 255, 0.1);
            border-top-color: var(--accent-orange);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        .loader-text {
            margin-top: 1.5rem;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            letter-spacing: 3px;
            text-transform: uppercase;
        }

        /* ========== Enhanced Sticky Header ========== */
        .navbar {
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .navbar.scrolled {
            padding: 0.6rem 5%;
        }

        .navbar.scrolled .nav-links > li > a {
            font-size: 0.88rem;
            transition: font-size 0.4s ease;
        }

        .navbar.scrolled .nav-cta {
            padding: 0.6rem 1.4rem;
            font-size: 0.88rem;
            transition: all 0.4s ease;
        }

        .navbar.scrolled .lang-btn {
            font-size: 0.8rem;
        }

        /* ========== Scroll Animations ========== */
        .scroll-animate {
            opacity: 0;
            transform: translateY(50px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .scroll-animate.animate-left {
            transform: translateX(-50px);
        }

        .scroll-animate.animate-right {
            transform: translateX(50px);
        }

        .scroll-animate.animate-scale {
            transform: scale(0.9);
        }

        .scroll-animate.visible {
            opacity: 1;
            transform: translateY(0) translateX(0) scale(1);
        }

        /* Staggered animation delays */
        .scroll-animate.delay-1 { transition-delay: 0.1s; }
        .scroll-animate.delay-2 { transition-delay: 0.2s; }
        .scroll-animate.delay-3 { transition-delay: 0.3s; }
        .scroll-animate.delay-4 { transition-delay: 0.4s; }

        /* ========== 3D Card Hover Effects ========== */
        .hover-3d {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            transform-style: preserve-3d;
            perspective: 1000px;
        }

        .hover-3d:hover {
            transform: translateY(-10px) rotateX(5deg) rotateY(-5deg);
            box-shadow:
                0 20px 40px rgba(0, 0, 0, 0.15),
                0 0 0 1px rgba(255, 109, 0, 0.1);
        }

        /* Glow Effect */
        .hover-glow {
            position: relative;
            transition: all 0.3s ease;
        }

        .hover-glow::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: linear-gradient(45deg, var(--accent-orange), var(--primary-blue), var(--eco-green), var(--accent-orange));
            background-size: 400% 400%;
            border-radius: inherit;
            z-index: -1;
            opacity: 0;
            transition: opacity 0.3s ease;
            filter: blur(10px);
        }

        .hover-glow:hover::before {
            opacity: 0.7;
            animation: glowRotate 3s linear infinite;
        }

        @keyframes glowRotate {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        /* Button Hover Enhancement */
        .btn-primary, .btn-secondary, .nav-cta {
            position: relative;
            overflow: hidden;
        }

        .btn-primary::after, .nav-cta::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: width 0.6s ease, height 0.6s ease;
        }

        .btn-primary:hover::after, .nav-cta:hover::after {
            width: 300px;
            height: 300px;
        }

        /* Card shine effect on hover */
        .value-card, .product-card, .blog-card, .cert-card {
            position: relative;
            overflow: hidden;
        }

        .value-card::after, .product-card::after, .blog-card::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(
                45deg,
                transparent 40%,
                rgba(255, 255, 255, 0.1) 50%,
                transparent 60%
            );
            transform: translateX(-100%) rotate(45deg);
            transition: transform 0.6s ease;
        }

        .value-card:hover::after, .product-card:hover::after, .blog-card:hover::after {
            transform: translateX(100%) rotate(45deg);
        }

        /* ========== Counter Animation ========== */
        .counter-animate {
            display: inline-block;
        }

        /* ========== Parallax Effect ========== */
        .hero-bg {
            will-change: transform;
            transition: transform 0.1s ease-out;
        }

        .parallax-active .hero-bg {
            transform: translateY(var(--parallax-offset, 0));
        }

        /* Floating animation for hero elements */
        .hero-badge {
            animation: floatBadge 3s ease-in-out infinite;
        }

        @keyframes floatBadge {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        .hero-stats .stat-item {
            transition: transform 0.3s ease;
        }

        .hero-stats .stat-item:hover {
            transform: translateY(-5px) scale(1.05);
        }

        /* Enhanced section headers */
        .section-header {
            position: relative;
        }

        .section-label {
            display: inline-block;
            animation: pulse-label 2s ease-in-out infinite;
        }

        @keyframes pulse-label {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        /* Product Detail Modal */
        .product-modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.85);
            z-index: 10000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            overflow-y: auto;
            padding: 40px 20px;
        }

        .product-modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .product-modal {
            max-width: 1200px;
            margin: 0 auto;
            background: #fff;
            border-radius: 20px;
            overflow: hidden;
            transform: translateY(30px);
            transition: transform 0.3s ease;
        }

        .product-modal-overlay.active .product-modal {
            transform: translateY(0);
        }

        /* 포트폴리오 갤러리 모달 */
        .portfolio-gallery-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.9);
            z-index: 10000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .portfolio-gallery-modal.active {
            opacity: 1;
            visibility: visible;
        }

        .gallery-modal-content {
            background: #fff;
            border-radius: 20px;
            max-width: 900px;
            width: 100%;
            max-height: 90vh;
            overflow-y: auto;
            position: relative;
        }

        .gallery-close-btn {
            position: absolute;
            top: 15px;
            right: 15px;
            background: rgba(0,0,0,0.5);
            border: none;
            color: #fff;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            font-size: 1.5rem;
            cursor: pointer;
            z-index: 10;
            transition: all 0.3s ease;
        }

        .gallery-close-btn:hover {
            background: rgba(0,0,0,0.8);
        }

        .gallery-header {
            padding: 30px;
            text-align: center;
            border-bottom: 1px solid #eee;
        }

        .gallery-header h3 {
            font-size: 1.8rem;
            color: #1a1a2e;
            margin-bottom: 10px;
        }

        .gallery-header p {
            color: #666;
            font-size: 1rem;
            margin-bottom: 15px;
        }

        .gallery-info {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .gallery-info span {
            background: #f0f4f8;
            padding: 6px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            color: #333;
        }

        .gallery-images {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            padding: 20px;
        }

        .gallery-image-item {
            aspect-ratio: 4/3;
            border-radius: 12px;
            overflow: hidden;
            cursor: pointer;
            transition: transform 0.3s ease;
        }

        .gallery-image-item:hover {
            transform: scale(1.02);
        }

        .gallery-image-item.main {
            grid-column: span 2;
            aspect-ratio: 16/9;
        }

        .gallery-image-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        @media (max-width: 600px) {
            .gallery-images {
                grid-template-columns: 1fr;
            }
            .gallery-image-item.main {
                grid-column: span 1;
            }
            .gallery-header h3 {
                font-size: 1.4rem;
            }
        }

        /* 블로그 상세 모달 */
        .blog-detail-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.9);
            z-index: 10000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            overflow-y: auto;
        }

        .blog-detail-modal.active {
            opacity: 1;
            visibility: visible;
        }

        .blog-detail-container {
            max-width: 900px;
            margin: 40px auto;
            background: #fff;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        .blog-detail-header {
            position: relative;
            height: 350px;
            overflow: hidden;
        }

        .blog-detail-header img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .blog-detail-header::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 150px;
            background: linear-gradient(transparent, rgba(0,0,0,0.7));
        }

        .blog-detail-category {
            position: absolute;
            top: 20px;
            left: 20px;
            background: var(--primary);
            color: #fff;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            z-index: 1;
        }

        .blog-detail-close {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 45px;
            height: 45px;
            background: rgba(255,255,255,0.2);
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
            border: none;
            border-radius: 50%;
            font-size: 1.5rem;
            color: #fff;
            cursor: pointer;
            z-index: 1;
            transition: all 0.3s ease;
        }

        .blog-detail-close:hover {
            background: rgba(255,255,255,0.4);
            transform: rotate(90deg);
        }

        .blog-detail-title-area {
            position: absolute;
            bottom: 20px;
            left: 30px;
            right: 30px;
            z-index: 1;
            color: #fff;
        }

        .blog-detail-title-area h2 {
            font-size: 1.8rem;
            margin-bottom: 10px;
            text-shadow: 0 2px 10px rgba(0,0,0,0.3);
        }

        .blog-detail-meta {
            display: flex;
            gap: 15px;
            font-size: 0.9rem;
            opacity: 0.9;
        }

        .blog-detail-body {
            padding: 40px;
        }

        .blog-detail-body h3 {
            color: var(--primary);
            font-size: 1.4rem;
            margin: 30px 0 15px 0;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
        }

        .blog-detail-body h3:first-child {
            margin-top: 0;
        }

        .blog-detail-body p {
            line-height: 1.8;
            color: #555;
            margin-bottom: 15px;
            font-size: 1.05rem;
        }

        .blog-detail-body strong {
            color: #333;
        }

        .blog-detail-footer {
            padding: 20px 40px 40px;
            border-top: 1px solid #eee;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .blog-detail-share {
            display: flex;
            gap: 10px;
        }

        .blog-detail-share button {
            padding: 10px 20px;
            border: 1px solid #ddd;
            border-radius: 8px;
            background: #fff;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .blog-detail-share button:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .blog-detail-cta {
            background: var(--primary);
            color: #fff;
            padding: 12px 30px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .blog-detail-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .blog-detail-container {
                margin: 20px;
                border-radius: 15px;
            }
            .blog-detail-header {
                height: 250px;
            }
            .blog-detail-title-area h2 {
                font-size: 1.4rem;
            }
            .blog-detail-body {
                padding: 25px;
            }
            .blog-detail-footer {
                flex-direction: column;
                gap: 15px;
                padding: 20px 25px 30px;
            }
        }

        .product-modal-header {
            background: linear-gradient(135deg, #1a1a2e, #16213e);
            color: #fff;
            padding: 30px 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .product-modal-header h2 {
            font-size: 1.8rem;
            margin: 0;
        }

        .product-modal-header .modal-subtitle {
            font-size: 0.95rem;
            opacity: 0.8;
            margin-top: 5px;
        }

        .modal-close-btn {
            background: rgba(255,255,255,0.1);
            border: none;
            color: #fff;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            font-size: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .modal-close-btn:hover {
            background: rgba(255,255,255,0.2);
            transform: rotate(90deg);
        }

        .product-modal-body {
            padding: 40px;
        }

        .modal-section {
            margin-bottom: 50px;
        }

        .modal-section:last-child {
            margin-bottom: 0;
        }

        .modal-section-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: #1a1a2e;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e0e0e0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .modal-section-title::before {
            content: '';
            width: 4px;
            height: 24px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 2px;
        }

        /* Main Product Image */
        .product-main-image {
            display: block;
            width: 100%;
            max-height: 480px;
            object-fit: contain;
            background: #fff;
            border-radius: 12px;
        }

        .product-detail-images {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1rem;
            align-items: center;
        }

        .product-detail-images img {
            display: block;
            width: 100%;
            height: auto;
            cursor: zoom-in;
            background: #fff;
            border-radius: 8px;
        }

        /* Color Chart */
        .color-chart-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
            gap: 15px;
        }

        .color-chip {
            text-align: center;
            cursor: pointer;
            transition: transform 0.3s ease;
        }

        .color-chip:hover {
            transform: translateY(-5px);
        }

        .color-chip-sample {
            width: 100%;
            height: 60px;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.15);
            margin-bottom: 8px;
            border: 2px solid transparent;
            transition: border-color 0.3s ease;
        }

        .color-chip:hover .color-chip-sample {
            border-color: #667eea;
        }

        .color-chip-name {
            font-size: 0.8rem;
            color: #666;
            font-weight: 500;
        }

        /* Cross Section Diagram */
        .cross-section-container {
            position: relative;
            text-align: center;
        }

        .cross-section-image {
            max-width: 100%;
            max-height: 350px;
            border-radius: 12px;
            cursor: zoom-in;
            transition: transform 0.3s ease;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }

        .cross-section-image:hover {
            transform: scale(1.02);
        }

        .zoom-hint {
            margin-top: 10px;
            font-size: 0.85rem;
            color: #888;
        }

        /* Portfolio Gallery */
        .portfolio-gallery {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }

        .portfolio-gallery-item {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            aspect-ratio: 4/3;
            cursor: pointer;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }

        .portfolio-gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .portfolio-gallery-item:hover img {
            transform: scale(1.1);
        }

        .portfolio-gallery-item .overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(transparent, rgba(0,0,0,0.8));
            color: #fff;
            transform: translateY(100%);
            transition: transform 0.3s ease;
        }

        .portfolio-gallery-item:hover .overlay {
            transform: translateY(0);
        }

        .portfolio-gallery-item .overlay h4 {
            margin: 0 0 5px 0;
            font-size: 1rem;
        }

        .portfolio-gallery-item .overlay p {
            margin: 0;
            font-size: 0.85rem;
            opacity: 0.8;
        }

        /* Image Zoom Modal */
        .image-zoom-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.95);
            z-index: 10001;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            cursor: zoom-out;
        }

        .image-zoom-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .image-zoom-overlay img {
            max-width: 90%;
            max-height: 90%;
            object-fit: contain;
            border-radius: 8px;
        }

        .zoom-close-btn {
            position: absolute;
            top: 20px;
            right: 20px;
            background: rgba(255,255,255,0.1);
            border: none;
            color: #fff;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            font-size: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .zoom-close-btn:hover {
            background: rgba(255,255,255,0.2);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .product-modal-header {
                padding: 20px;
            }

            .product-modal-header h2 {
                font-size: 1.4rem;
            }

            .product-modal-body {
                padding: 20px;
            }

            .color-chart-grid {
                grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
                gap: 10px;
            }

            .color-chip-sample {
                height: 45px;
            }

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

        /* Quick Overview Section - 한눈에 보기 */
        .quick-overview {
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
            padding: 4rem 5%;
            position: relative;
        }

        .quick-overview::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-orange), var(--primary-blue), var(--eco-green));
        }

        .quick-overview-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .quick-overview-header h2 {
            font-family: 'Outfit', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 0.5rem;
        }

        .quick-overview-header p {
            color: #64748b;
            font-size: 1rem;
        }

        .quick-overview-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 1.5rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .quick-card {
            background: white;
            border-radius: 20px;
            padding: 2rem 1.5rem;
            text-align: center;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
            border: 2px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .quick-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent-orange);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .quick-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
            border-color: var(--accent-orange);
        }

        .quick-card:hover::before {
            transform: scaleX(1);
        }

        .quick-card-icon {
            width: 70px;
            height: 70px;
            margin: 0 auto 1.2rem;
            background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            transition: all 0.3s ease;
        }

        .quick-card:hover .quick-card-icon {
            transform: scale(1.1) rotate(5deg);
            background: linear-gradient(135deg, var(--accent-orange) 0%, #f97316 100%);
        }

        .quick-card:hover .quick-card-icon span {
            filter: brightness(0) invert(1);
        }

        .quick-card-title {
            font-family: 'Outfit', sans-serif;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 0.5rem;
        }

        .quick-card-desc {
            font-size: 0.85rem;
            color: #64748b;
            line-height: 1.5;
        }

        .quick-card-arrow {
            display: inline-block;
            margin-top: 1rem;
            color: var(--accent-orange);
            font-weight: 600;
            font-size: 0.9rem;
            opacity: 0;
            transform: translateY(10px);
            transition: all 0.3s ease;
        }

        .quick-card:hover .quick-card-arrow {
            opacity: 1;
            transform: translateY(0);
        }

        /* 반응형 - 태블릿 */
        @media (max-width: 1200px) {
            .quick-overview-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        /* 반응형 - 모바일 */
        @media (max-width: 768px) {
            .quick-overview {
                padding: 3rem 5%;
            }

            .quick-overview-header h2 {
                font-size: 1.5rem;
            }

            .quick-overview-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }

            .quick-card {
                padding: 1.5rem 1rem;
            }

            .quick-card-icon {
                width: 55px;
                height: 55px;
                font-size: 1.5rem;
            }

            .quick-card-title {
                font-size: 0.95rem;
            }

            .quick-card-desc {
                font-size: 0.8rem;
            }
        }

        /* Toast Notification */
        .toast-notification {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%) translateY(-100px);
            background: rgba(10, 22, 40, 0.95);
            color: #fff;
            padding: 0.9rem 1.8rem;
            border-radius: 10px;
            font-size: 0.95rem;
            z-index: 100000;
            transition: transform 0.3s ease;
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
            border: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            max-width: 90vw;
        }
        .toast-notification.toast-error {
            border-color: rgba(244,67,54,0.5);
        }
        .toast-notification.toast-visible {
            transform: translateX(-50%) translateY(0);
        }

        /* CLS Prevention: aspect-ratio hints for image containers */
        .portfolio-gallery-item {
            aspect-ratio: 4/3;
        }

        .portfolio-item img,
        .product-card img {
            aspect-ratio: 16/9;
            width: 100%;
            object-fit: cover;
        }

        .modal-header-image img,
        .product-modal-image img {
            aspect-ratio: 16/9;
            width: 100%;
            object-fit: cover;
        }

        /* Accessibility: Reduce motion for users who prefer it */
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* 문의 폼: 상담문의를 누르면 입력칸과 제출 버튼까지 한 화면에 들어오게 (2026-11-08) */
.contact { padding-top: 3.5rem; padding-bottom: 3rem; }
.contact-grid { align-items: start; }
.contact-form-wrapper { padding: 1.25rem 1.5rem; }
.contact-form { gap: 0.7rem; }
.contact-form .form-row { gap: 0.8rem; }
.contact-form .form-group { gap: 0.25rem; }
.contact-form .form-group input,
.contact-form .form-group select,
.contact-form .form-group textarea { padding: 0.55rem 0.8rem; }
.contact-form .form-group textarea { min-height: 72px; height: 72px; }
.contact-form .radio-group { flex-direction: row; gap: 0.6rem; margin-top: 0; }
.contact-form .radio-label { flex: 1; min-width: 0; padding: 0.5rem 0.7rem; gap: 0.5rem; font-size: 0.85rem; }
.contact-form .submit-btn { padding: 0.75rem 1rem; }
.contact-consent { margin: 0; }
.form-heading { display: none; margin: 0; font-size: 1.1rem; font-weight: 700; color: var(--primary-dark); }

@media (max-width: 1024px) {
    /* 안내 글보다 입력 폼을 먼저 */
    .contact-form-wrapper { order: -1; }
    .form-heading { display: block; }
}

@media (max-width: 768px) {
    .contact { padding: 3.75rem 4% 2rem; }
    .contact-form-wrapper { padding: 0.8rem; border-radius: 14px; }
    .contact-form { gap: 0.5rem; }
    .contact-form .form-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.5rem; }
    .contact-form .form-group label { font-size: 0.8rem; }
    /* 글자를 16px 아래로 내리면 아이폰이 입력할 때 화면을 확대한다 */
    .contact-form .form-group input,
    .contact-form .form-group select,
    .contact-form .form-group textarea { padding: 0.4rem 0.6rem; font-size: 16px; }
    .contact-form .form-group textarea { min-height: 58px; height: 58px; }
    .contact-form .radio-label { padding: 0.35rem 0.5rem; font-size: 0.75rem; line-height: 1.25; }
    .contact-form .submit-btn { padding: 0.6rem; }
    .contact-consent { font-size: 0.8rem; }
    /* 코너 버튼이 입력칸을 가리지 않게 이 구역에서는 숨긴다 */
    .side-bookmark-btns.is-hidden { display: none; }
}

/* 메뉴로 도착하면 그 구역만 화면에 보이게: 구역마다 최소 화면 높이, 짧은 내용은 가운데 (2026-11-08) */
main > section[id]:not(.hero):not(.notice) {
    box-sizing: border-box;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
main > section[id]:not(.hero):not(.notice) > * { width: 100%; }
.about, .video-section, .products, .portfolio, .certifications, .downloads, .map-section,
.ceo-message, .history, .family-section, .ci-section { padding-top: 5rem; padding-bottom: 3rem; }

/* 높이가 낮은 노트북 화면: 머리글을 줄여 내용이 첫 화면에 들어오게 */
@media (min-width: 769px) and (max-height: 760px) {
    .video-section, .map-section { padding-top: 3.75rem; padding-bottom: 1rem; }
    .video-section .section-header, .map-section .section-header { margin-bottom: 1rem; }
    .video-section .section-title, .map-section .section-title { font-size: 2rem; margin-bottom: 0.25rem; }
    .video-section .section-label, .map-section .section-label { margin-bottom: 0.4rem; padding-top: 0.2rem; padding-bottom: 0.2rem; }
    .map-section .map-iframe, .map-section .map-iframe iframe { height: 390px; min-height: 0; }
    .map-section .map-info { padding-top: 1rem; padding-bottom: 1rem; gap: 0.6rem; }
    .map-section .map-info-item { padding-top: 0; padding-bottom: 0; margin-bottom: 0; }
    .video-section .video-container { max-width: 880px; }
}

/* 전화번호 링크 */
.tel-link { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.footer-contact { font-size: 0.9rem; line-height: 1.7; }

/* 제품 상세: 사양을 내려 보는 중에도 상담 버튼이 보이게 (.product-modal 의 overflow:hidden 은 sticky 를 막는다) */
.product-modal { overflow: clip; }
/* bottom: 오버레이의 padding 40px 만큼 내려야 버튼 아래로 본문이 비치지 않는다 */
.product-modal-cta { position: sticky; bottom: -40px; padding: 0.75rem 40px; background: #fff; border-top: 1px solid #e5e7eb; text-align: center; }
.product-modal-cta-btn { width: 100%; max-width: 420px; min-height: 48px; border: none; border-radius: 10px; background: var(--accent-orange); color: #fff; font: inherit; font-weight: 700; cursor: pointer; }
.product-modal-cta-btn:hover { filter: brightness(1.08); }
.product-modal-cta-btn:focus-visible { outline: 2px solid var(--primary-blue); outline-offset: 2px; }

/* 휴대폰 하단 고정 바: 전화·카카오톡·상담문의 */
.mobile-action-bar { display: none; }
@media (max-width: 768px) {
    .mobile-action-bar {
        position: fixed; left: 0; right: 0; bottom: 0; z-index: 998;
        display: grid; grid-template-columns: repeat(3, 1fr);
        padding-bottom: env(safe-area-inset-bottom);
        background: #0a1628; box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.25);
    }
    .mobile-action-bar a {
        display: flex; align-items: center; justify-content: center; gap: 0.4rem;
        min-height: 54px; color: #fff; font-size: 0.9rem; font-weight: 700; text-decoration: none;
    }
    .mobile-action-bar svg { width: 18px; height: 18px; fill: currentColor; }
    .mobile-action-bar .is-kakao { background: #fee500; color: #3c1e1e; }
    .mobile-action-bar .is-quote { background: var(--accent-orange); }
    .mobile-action-bar.is-hidden, body.is-typing .mobile-action-bar { display: none; }
    body:has(.mobile-action-bar) { padding-bottom: calc(54px + env(safe-area-inset-bottom)); }

    /* 하단 바와 겹치는 코너 버튼은 내리고 맨 위로만 남긴다 */
    .side-bookmark-btns { bottom: calc(64px + env(safe-area-inset-bottom)); }
    .bookmark-btn.youtube, .bookmark-btn.kakao, .bookmark-btn.quote { display: none; }
    .scroll-indicator { display: none !important; }
    /* 메뉴를 펼치면 맨 위로 버튼이 메뉴 위에 뜨지 않게 */
    body:has(.mobile-menu-btn.active) .side-bookmark-btns { display: none; }

    /* 누르기 쉬운 크기 (높이 44px 안팎). 메뉴 줄 높이는 그대로 둔다 */
    .mobile-menu-btn { padding: 13px 8px; margin: -8px -8px -8px 0; }
    .lang-btn { min-width: 40px; min-height: 44px; margin: -8px 0; }
    .product-link { min-height: 44px; }
    .product-group-toggle { min-height: 44px; }
    .footer-links ul { gap: 0; }
    .footer-links a, .footer-privacy, .footer-phone { display: inline-block; padding: 0.7rem 0; }
    .social-link { min-width: 44px; min-height: 44px; }
    .product-modal-cta { padding: 0.6rem 16px calc(0.6rem + env(safe-area-inset-bottom)); }
}

/* 첫 화면 제목 3단: 위 모토(작게) → Better Panel, HD패널(크게) → 아래 고객가치 문구(.hero-subtitle) */
.hero h1 .hero-title-pre { display: block; font-size: 0.42em; line-height: 1.3; margin-bottom: 0.3em; letter-spacing: 0; }
@media (max-width: 768px) { .hero h1 .hero-title-pre { font-size: 0.55em; } }
.hero h1 .hero-title-main { white-space: nowrap; }

/* 첫 화면 부제목: 넓은 화면에선 한 줄로 (대표 지시 2026-11-08). 휴대폰은 화면보다 길어 줄바꿈 */
@media (min-width: 769px) { .hero .hero-subtitle { max-width: none; white-space: nowrap; } }
