:root {
            --primary-color: #1a5f2a;
            --primary-dark: #0d3d17;
            --primary-light: #2d8a42;
            --accent-color: #ffd700;
            --text-dark: #1a1a1a;
            --text-light: #666666;
            --bg-light: #f8f9fa;
            --white: #ffffff;
            --gradient-primary: linear-gradient(135deg, #1a5f2a 0%, #2d8a42 100%);
            --gradient-dark: linear-gradient(135deg, #0d3d17 0%, #1a5f2a 100%);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.16);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Noto Sans KR', sans-serif;
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }

        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 12px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            text-decoration: none;
        }

        .logo img {
            height: 32px;
            width: auto;
        }

        .logo-tag {
            font-size: 13px;
            color: var(--primary-color);
            margin-left: 12px;
            padding-left: 12px;
            border-left: 1px solid #ddd;
            font-weight: 700;
            white-space: nowrap;
            letter-spacing: -0.02em;
        }

        @media (max-width: 480px) {
            .logo-tag {
                font-size: 11px;
                margin-left: 8px;
                padding-left: 8px;
            }
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }

        nav a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            transition: color 0.3s;
        }

        nav a:hover {
            color: var(--primary-color);
        }

        .cta-button {
            display: inline-block;
            padding: 12px 28px;
            background: var(--gradient-primary);
            color: var(--white);
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            font-size: 16px;
        }

        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .cta-button.pulse {
            animation: cta-pulse 2s infinite;
        }

        @keyframes cta-pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(26, 95, 42, 0.7);
            }

            70% {
                box-shadow: 0 0 0 15px rgba(26, 95, 42, 0);
            }

            100% {
                box-shadow: 0 0 0 0 rgba(26, 95, 42, 0);
            }
        }

        /* Hero Section with Video */
        .hero {
            min-height: 100vh;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: var(--white);
            padding: 100px 20px;
            overflow: hidden;
        }

        .hero-video {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: -2;
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7));
            z-index: -1;
        }

        .hero-content {
            max-width: 900px;
            animation: fadeInUp 1s ease;
            z-index: 1;
            text-align: center;
        }

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

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

        .hero-badge {
            display: inline-block;
            padding: 10px 25px;
            background: rgba(255, 215, 0, 0.2);
            border: 2px solid var(--accent-color);
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            color: var(--accent-color);
            margin-bottom: 25px;
        }

        .hero h1 {
            font-size: clamp(36px, 6vw, 64px);
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        .hero h1 span {
            color: var(--accent-color);
        }

        .hero p {
            font-size: clamp(16px, 2vw, 22px);
            opacity: 0.95;
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
        }

        .btn-secondary {
            padding: 14px 32px;
            background: transparent;
            border: 2px solid var(--white);
            color: var(--white);
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
        }

        .btn-secondary:hover {
            background: var(--white);
            color: var(--primary-color);
        }

        /* Video Selector */
        .video-selector {
            display: flex;
            gap: 15px;
            justify-content: center;
            margin-top: 40px;
        }

        .video-btn {
            padding: 12px 25px;
            background: rgba(255, 255, 255, 0.25);
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: var(--white);
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 14px;
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }

        .video-btn:hover,
        .video-btn.active {
            background: var(--accent-color);
            border-color: var(--accent-color);
            color: var(--text-dark);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
        }

        /* Stats Section */
        .stats {
            background: var(--gradient-dark);
            padding: 70px 20px;
        }

        .stats-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            text-align: center;
        }

        .stat-item {
            color: var(--white);
        }

        .stat-number {
            font-size: 52px;
            font-weight: 900;
            color: var(--accent-color);
            display: block;
        }

        .stat-label {
            font-size: 16px;
            opacity: 0.9;
            margin-top: 5px;
        }

        /* Section Common Styles */
        section {
            padding: 100px 20px;
        }

        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 60px;
        }

        .section-header h2 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--text-dark);
        }

        .section-header p {
            color: var(--text-light);
            font-size: 18px;
        }

        .section-header .accent {
            color: var(--primary-color);
        }

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

        .about-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 60px;
            align-items: center;
        }

        .about-image {
            position: relative;
            max-width: 280px;
            margin: 0 auto;
        }

        .about-image img {
            width: 100%;
            border-radius: 50%;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
            border: 5px solid var(--white);
            outline: 3px solid var(--primary-color);
            outline-offset: 5px;
        }

        .about-image::before {
            content: '';
            position: absolute;
            top: -15px;
            left: -15px;
            right: -15px;
            bottom: -15px;
            border: 2px solid var(--accent-color);
            border-radius: 50%;
            z-index: -1;
            opacity: 0.5;
        }

        .about-content h3 {
            font-size: 32px;
            margin-bottom: 20px;
            color: var(--primary-color);
        }

        .about-content p {
            color: var(--text-light);
            margin-bottom: 20px;
            font-size: 17px;
        }

        .ceo-signature {
            margin-top: 25px;
            font-size: 18px;
            color: var(--primary-color);
        }

        .about-tech {
            max-width: 1200px;
            margin: 80px auto 0;
            display: flex;
            flex-direction: column;
            gap: 60px;
        }

        .tech-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .tech-image {
            border-radius: 15px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .tech-image img {
            width: 100%;
            display: block;
            transition: transform 0.5s ease;
        }

        .tech-image:hover img {
            transform: scale(1.03);
        }

        .tech-content h3 {
            font-size: 28px;
            margin-bottom: 20px;
            color: var(--text-dark);
            font-weight: 700;
        }

        .tech-content p {
            color: var(--text-light);
            font-size: 16px;
            line-height: 1.9;
        }

        .tech-content strong {
            color: var(--primary-color);
        }

        @media (max-width: 768px) {
            .tech-row {
                grid-template-columns: 1fr;
                gap: 25px;
            }
        }

        /* Timeline Section */
        .timeline-section {
            max-width: 1200px;
            margin: 80px auto 0;
            padding: 60px 20px;
            background: var(--bg-light);
            border-radius: 20px;
        }

        .timeline-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .timeline-header h3 {
            font-size: 36px;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 15px;
        }

        .timeline-header p {
            font-size: 18px;
            color: var(--text-light);
        }

        .timeline {
            position: relative;
            max-width: 1000px;
            margin: 0 auto;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary-color), var(--primary-light));
        }

        .timeline-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 60px;
            position: relative;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-year {
            flex: 0 0 45%;
            text-align: right;
            padding-right: 40px;
        }

        .timeline-year.right {
            order: 2;
            text-align: left;
            padding-left: 40px;
            padding-right: 0;
        }

        .timeline-year h4 {
            font-size: 48px;
            font-weight: 900;
            color: var(--primary-color);
            margin-bottom: 10px;
        }

        .timeline-content {
            flex: 0 0 45%;
            background: var(--white);
            padding: 25px;
            border-radius: 15px;
            box-shadow: var(--shadow-md);
            transition: all 0.3s ease;
        }

        .timeline-content:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .timeline-content.right {
            order: 1;
        }

        .timeline-content ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .timeline-content li {
            padding: 8px 0;
            color: var(--text-dark);
            font-size: 15px;
            line-height: 1.6;
            border-bottom: 1px solid #f0f0f0;
        }

        .timeline-content li:last-child {
            border-bottom: none;
        }

        .timeline-content li strong {
            color: var(--primary-color);
            font-weight: 600;
        }

        .timeline-dot {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 20px;
            background: var(--accent-color);
            border: 4px solid var(--white);
            border-radius: 50%;
            box-shadow: 0 0 0 4px var(--primary-color);
            z-index: 1;
        }

        @media (max-width: 768px) {
            .timeline::before {
                left: 20px;
            }

            .timeline-item {
                flex-direction: column;
                align-items: flex-start;
                padding-left: 50px;
            }

            .timeline-year {
                text-align: left;
                padding-right: 0;
                margin-bottom: 15px;
            }

            .timeline-year.right {
                order: 0;
                text-align: left;
                padding-left: 0;
            }

            .timeline-content {
                width: 100%;
            }

            .timeline-content.right {
                order: 1;
            }

            .timeline-dot {
                left: 20px;
            }

            .timeline-year h4 {
                font-size: 36px;
            }
        }

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

        .products-showcase {
            max-width: 1200px;
            margin: 0 auto;
        }

        .product-tabs {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
            flex-wrap: wrap;
        }

        .product-tab {
            padding: 15px 40px;
            background: var(--white);
            border: 2px solid #e0e0e0;
            border-radius: 50px;
            font-weight: 600;
            font-size: 18px;
            cursor: pointer;
            transition: all 0.3s;
        }

        .product-tab:hover,
        .product-tab.active {
            background: var(--gradient-primary);
            border-color: var(--primary-color);
            color: var(--white);
        }

        .product-display {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .product-video-container {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: #000;
        }

        .product-video {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .product-info {
            padding: 20px 0;
        }

        .product-info h3 {
            font-size: 36px;
            margin-bottom: 15px;
            color: var(--primary-color);
        }

        .product-info .tagline {
            font-size: 20px;
            color: var(--accent-color);
            font-weight: 600;
            margin-bottom: 20px;
        }

        .product-info p {
            color: var(--text-light);
            font-size: 17px;
            margin-bottom: 25px;
            line-height: 1.8;
        }

        .product-features-list {
            list-style: none;
            margin-bottom: 30px;
        }

        .product-features-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid #eee;
        }

        .product-features-list li i {
            color: var(--primary-color);
            font-size: 18px;
        }

        /* Gallery Section */
        .gallery {
            background: var(--white);
            padding: 100px 20px;
        }

        .gallery-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
        }

        .gallery-item {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            cursor: pointer;
            aspect-ratio: 1/1;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        }

        .gallery-item:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
        }

        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .gallery-item:hover img {
            transform: scale(1.15);
        }

        .gallery-item-overlay {
            position: absolute;
            inset: 0;
            padding: 20px;
            background: linear-gradient(to top, rgba(0, 77, 40, 0.85) 0%, transparent 60%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            color: var(--white);
            opacity: 0;
            transition: all 0.4s ease;
            transform: translateY(10px);
        }

        .gallery-item:hover .gallery-item-overlay {
            opacity: 1;
            transform: translateY(0);
        }

        .gallery-item-overlay h4 {
            font-size: 14px;
            margin-bottom: 5px;
            font-weight: 600;
        }

        .gallery-item-overlay p {
            font-size: 11px;
            opacity: 0.9;
        }

        @media (max-width: 1200px) {
            .gallery-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .gallery-item:nth-child(n+7) {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .gallery-item:nth-child(n+5) {
                display: none;
            }
        }

        @media (min-width: 1201px) {
            .gallery-item:nth-child(n+9) {
                display: none;
            }
        }

        .gallery-more {
            text-align: center;
            margin-top: 50px;
        }

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

            .gallery-item:first-child {
                grid-column: span 1;
                grid-row: span 1;
            }
        }

        /* GTR Products Section */
        .gtr-products {
            background: var(--bg-light);
            padding: 100px 20px;
        }

        .products-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .product-card {
            background: var(--white);
            padding: 40px 30px;
            border-radius: 20px;
            box-shadow: var(--shadow-md);
            transition: all 0.3s ease;
        }

        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-lg);
        }

        .product-card-icon {
            width: 60px;
            height: 60px;
            background: var(--gradient-primary);
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .product-card-icon i {
            font-size: 28px;
            color: var(--white);
        }

        .product-card h3 {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--text-dark);
        }

        .product-card h4 {
            font-size: 16px;
            color: var(--primary-color);
            margin-bottom: 10px;
            font-weight: 600;
        }

        .product-card p {
            color: var(--text-light);
            line-height: 1.8;
            font-size: 14px;
        }

        .product-card ul {
            list-style: none;
            margin-top: 15px;
        }

        .product-card ul li {
            padding: 8px 0;
            color: var(--text-light);
            font-size: 14px;
            display: flex;
            align-items: flex-start;
        }

        .product-card ul li:before {
            content: "✓";
            color: var(--primary-color);
            font-weight: bold;
            margin-right: 10px;
        }

        /* GTR Advantages Section */
        .gtr-advantages {
            background: var(--white);
            padding: 100px 20px;
        }

        .advantages-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .advantage-card {
            background: var(--bg-light);
            padding: 40px 30px;
            border-radius: 20px;
            border-top: 4px solid var(--primary-color);
            transition: all 0.3s ease;
        }

        .advantage-card:hover {
            background: var(--white);
            box-shadow: var(--shadow-lg);
            border-top-color: var(--accent-color);
        }

        .advantage-card-icon {
            width: 70px;
            height: 70px;
            background: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            box-shadow: var(--shadow-sm);
        }

        .advantage-card-icon i {
            font-size: 32px;
            color: var(--primary-color);
        }

        .advantage-card h3 {
            font-size: 20px;
            margin-bottom: 15px;
            color: var(--text-dark);
        }

        .advantage-card p {
            color: var(--text-light);
            line-height: 1.8;
            font-size: 14px;
        }

        .advantage-card.wide {
            grid-column: span 3;
        }

        .advantage-inner-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 20px;
            font-size: 14px;
            color: var(--text-dark);
            text-align: left;
        }

        .advantage-inner-grid div {
            padding: 15px;
            background: var(--white);
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid #eee;
        }

        .advantage-card ul {
            list-style: none;
            margin-top: 15px;
        }

        .advantage-card ul li {
            padding: 8px 0;
            color: var(--text-light);
            font-size: 14px;
            position: relative;
            padding-left: 20px;
        }

        .advantage-card ul li:before {
            content: "•";
            color: var(--primary-color);
            font-weight: bold;
            position: absolute;
            left: 0;
        }

        @media (max-width: 992px) {

            .products-grid,
            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .advantage-card.wide {
                grid-column: span 2;
            }

            .advantage-inner-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 576px) {

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

            .product-card {
                padding: 25px 20px;
            }

            .product-card h3 {
                font-size: 18px;
            }

            .product-card h4 {
                font-size: 14px;
            }

            .product-card p,
            .product-card ul li {
                font-size: 13px;
            }

            .product-card-icon {
                width: 50px;
                height: 50px;
            }

            .product-card-icon i {
                font-size: 22px;
            }

            .advantage-card {
                padding: 25px 20px;
            }

            .advantage-card.wide {
                grid-column: span 1;
            }

            .advantage-card h3 {
                font-size: 17px;
            }

            .advantage-card p {
                font-size: 13px;
            }

            .advantage-card-icon {
                width: 55px;
                height: 55px;
            }

            .advantage-card-icon i {
                font-size: 26px;
            }

            .advantage-inner-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .advantage-inner-grid div {
                padding: 12px;
                font-size: 13px;
            }
        }

        /* Stores Section */
        .stores {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 100px 20px;
        }

        .stores-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .stores-intro {
            text-align: center;
            margin-bottom: 60px;
        }

        .stores-intro h2 {
            font-size: clamp(28px, 4vw, 42px);
            margin-bottom: 20px;
        }

        .stores-intro p {
            color: var(--text-light);
            font-size: 18px;
            max-width: 700px;
            margin: 0 auto;
        }

        .store-filter {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 10px 20px;
            background: var(--white);
            border: 2px solid #e0e0e0;
            border-radius: 50px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 14px;
        }

        .filter-btn:hover,
        .filter-btn.active {
            background: var(--primary-color);
            border-color: var(--primary-color);
            color: var(--white);
        }

        .store-list {
            display: grid;
            gap: 15px;
            max-height: 500px;
            overflow-y: auto;
            padding: 20px;
            background: var(--white);
            border-radius: 20px;
            box-shadow: var(--shadow-sm);
        }

        .store-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px;
            background: var(--bg-light);
            border-radius: 12px;
            transition: all 0.3s;
        }

        .store-item:hover {
            background: var(--white);
            box-shadow: var(--shadow-md);
            transform: translateX(5px);
        }

        .store-number {
            width: 50px;
            height: 50px;
            background: var(--gradient-primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }

        .store-info h4 {
            font-size: 16px;
            margin-bottom: 5px;
            color: var(--text-dark);
        }

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

        .store-info p i {
            color: var(--primary-color);
            margin-right: 5px;
        }

        .store-more {
            text-align: center;
            margin-top: 40px;
        }

        .store-more p {
            color: var(--text-light);
            margin-bottom: 20px;
        }

        .btn-outline {
            display: inline-block;
            padding: 12px 30px;
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
        }

        .btn-outline:hover {
            background: var(--primary-color);
            color: var(--white);
        }

        /* Store Images Grid */
        .store-images-grid {
            max-width: 1200px;
            margin: 0 auto 40px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .store-image-item {
            border-radius: 15px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all 0.3s ease;
            cursor: pointer;
        }


        .store-image-item:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-lg);
        }

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

        @media (max-width: 768px) {
            .store-images-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }


        /* Tournament Section */
        .tournaments {
            background: var(--white);
            padding: 100px 20px;
        }

        .tournament-gallery {
            max-width: 1200px;
            margin: 0 auto 40px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .tournament-poster {
            border-radius: 15px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .tournament-poster:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-lg);
        }

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

        .tournament-more {
            text-align: center;
            margin-top: 40px;
        }

        @media (max-width: 992px) {
            .tournament-gallery {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 576px) {
            .tournament-gallery {
                display: flex;
                overflow-x: auto;
                scroll-snap-type: x mandatory;
                -webkit-overflow-scrolling: touch;
                gap: 15px;
                padding: 10px 20px 20px;
                margin: 0 -20px;
            }

            .tournament-poster {
                flex: 0 0 280px;
                scroll-snap-align: center;
            }
        }

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

        .store-card {
            background: var(--white);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all 0.3s ease;
        }

        .store-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-lg);
        }

        .store-image {
            height: 220px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .store-badge {
            position: absolute;
            top: 15px;
            left: 15px;
            padding: 8px 18px;
            background: var(--primary-color);
            color: var(--white);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
        }

        .store-content {
            padding: 25px;
        }

        .store-content h3 {
            font-size: 22px;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

        .store-content .location {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-light);
            font-size: 14px;
            margin-bottom: 15px;
        }

        .store-content .location i {
            color: var(--primary-color);
        }

        .store-specs {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .store-specs span {
            padding: 6px 14px;
            background: var(--bg-light);
            border-radius: 20px;
            font-size: 13px;
            color: var(--text-light);
        }

        /* Benefits Section */
        .benefits {
            background: linear-gradient(135deg, #f8f9fa 0%, #e3f2e1 50%, #f8f9fa 100%);
            position: relative;
            overflow: hidden;
        }

        .benefits::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(76, 175, 80, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }

        .benefits::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }

        .benefits-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            position: relative;
            z-index: 1;
        }

        .benefit-card {
            padding: 40px 30px;
            background: var(--white);
            border-radius: 20px;
            text-align: center;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
        }

        .benefit-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--gradient-primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }

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

        .benefit-card::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(76, 175, 80, 0.1) 0%, transparent 70%);
            transform: translate(-50%, -50%);
            transition: width 0.6s ease, height 0.6s ease;
        }

        .benefit-card:hover::after {
            width: 300px;
            height: 300px;
        }

        .benefit-card:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: 0 15px 40px rgba(76, 175, 80, 0.2);
        }

        .benefit-icon {
            width: 90px;
            height: 90px;
            background: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            font-size: 36px;
            color: var(--white);
            box-shadow: 0 8px 20px rgba(76, 175, 80, 0.3);
            transition: all 0.4s ease;
            position: relative;
            z-index: 2;
            animation: iconFloat 3s ease-in-out infinite;
        }

        @keyframes iconFloat {

            0%,
            100% {
                transform: translateY(0px);
            }

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

        .benefit-card:hover .benefit-icon {
            transform: scale(1.1) rotate(5deg);
            box-shadow: 0 12px 30px rgba(76, 175, 80, 0.4);
            animation: none;
        }

        .benefit-card h3 {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--text-dark);
            transition: all 0.3s;
            position: relative;
            z-index: 2;
            font-weight: 700;
        }

        .benefit-card:hover h3 {
            color: var(--primary-color);
            transform: scale(1.05);
        }

        .benefit-card p {
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.7;
            transition: color 0.3s;
            position: relative;
            z-index: 2;
        }

        .benefit-card:hover p {
            color: #555;
        }

        /* Why GTR Section */
        .why-gtr {
            background: var(--gradient-dark);
            color: var(--white);
            padding: 100px 20px;
        }

        .why-gtr-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .why-gtr .section-header h2,
        .why-gtr .section-header p {
            color: var(--white);
        }

        .why-gtr-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-top: 50px;
        }

        .why-item {
            text-align: center;
        }

        .why-item .number {
            font-size: 48px;
            font-weight: 900;
            color: var(--accent-color);
            margin-bottom: 15px;
        }

        .why-item h3 {
            font-size: 20px;
            margin-bottom: 10px;
        }

        .why-item p {
            opacity: 0.85;
            font-size: 15px;
        }

        /* Process Section */
        .process {
            background: var(--bg-light);
        }

        .process-steps {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: flex-start;
            gap: 0;
            position: relative;
        }

        .process-step {
            flex: 1;
            min-width: 200px;
            max-width: 240px;
            text-align: center;
            position: relative;
            padding: 20px;
        }

        /* 화살표 연결선 */
        .process-step:not(:last-child)::after {
            content: '→';
            position: absolute;
            right: -20px;
            top: 50px;
            font-size: 40px;
            color: var(--primary-color);
            font-weight: bold;
            z-index: 1;
        }

        .step-number {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            font-weight: 700;
            margin: 0 auto 20px;
            box-shadow: 0 8px 20px rgba(0, 102, 51, 0.3);
            position: relative;
            transition: all 0.3s ease;
        }

        .step-number::before {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            border-radius: 50%;
            border: 3px solid var(--primary-color);
            opacity: 0;
            animation: ring-pulse 2s infinite;
        }

        @keyframes ring-pulse {
            0% {
                transform: scale(1);
                opacity: 0.8;
            }

            100% {
                transform: scale(1.5);
                opacity: 0;
            }
        }

        .process-step:hover .step-number {
            transform: scale(1.1);
            box-shadow: 0 12px 30px rgba(0, 102, 51, 0.4);
        }

        .process-step h3 {
            font-size: 20px;
            margin-bottom: 12px;
            color: var(--text-dark);
            font-weight: 700;
        }

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

        /* 모바일 대응 */
        @media (max-width: 992px) {
            .process-step:not(:last-child)::after {
                content: '↓';
                right: auto;
                left: 50%;
                transform: translateX(-50%);
                top: auto;
                bottom: -30px;
            }

            .process-steps {
                flex-direction: column;
                align-items: center;
                gap: 40px;
            }

            .process-step {
                max-width: 300px;
            }
        }

        /* Contact Section */
        .contact {
            background: var(--gradient-dark);
            color: var(--white);
        }

        .contact .section-header h2,
        .contact .section-header p {
            color: var(--white);
        }

        .contact-container {
            max-width: 1000px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 50px;
        }

        .contact-info {
            padding: 20px 0;
        }

        .contact-info h3 {
            font-size: 28px;
            margin-bottom: 20px;
        }

        .contact-info p {
            opacity: 0.9;
            margin-bottom: 30px;
            font-size: 16px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .contact-item i {
            width: 50px;
            height: 50px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }

        .contact-item span {
            font-size: 16px;
        }

        /* Contact Form */
        .contact-form {
            background: var(--white);
            padding: 40px;
            border-radius: 20px;
            box-shadow: var(--shadow-lg);
        }

        .contact-form h3 {
            color: var(--text-dark);
            font-size: 24px;
            margin-bottom: 25px;
            text-align: center;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            color: var(--text-dark);
            font-weight: 500;
            margin-bottom: 8px;
            font-size: 14px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 16px;
            font-family: inherit;
            transition: border-color 0.3s;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary-color);
        }

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

        .form-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }

        .submit-btn {
            width: 100%;
            padding: 16px;
            background: var(--gradient-primary);
            color: var(--white);
            border: none;
            border-radius: 10px;
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .form-note {
            text-align: center;
            margin-top: 15px;
            font-size: 13px;
            color: var(--text-light);
        }

        /* Contact Section Mobile */
        @media (max-width: 768px) {
            .contact-container {
                grid-template-columns: 1fr;
                gap: 30px;
            }

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

        /* Footer */
        footer {
            background: #0a0a0a;
            color: var(--white);
            padding: 60px 20px 30px;
        }

        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            display: flex;
            align-items: center;
        }

        .footer-brand .logo img {
            height: 32px;
            filter: brightness(0) invert(1);
        }

        .footer-logo-container {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }

        .footer-logo-tag {
            font-size: 13px;
            color: var(--white);
            margin-left: 12px;
            padding-left: 12px;
            border-left: 1px solid rgba(255, 255, 255, 0.3);
            font-weight: 600;
            opacity: 0.9;
        }

        .footer-brand p {
            opacity: 0.7;
            font-size: 14px;
            line-height: 1.8;
        }

        .footer-links h4 {
            font-size: 16px;
            margin-bottom: 20px;
            color: var(--accent-color);
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }

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

        .footer-social {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            transition: all 0.3s;
        }

        .footer-social a:hover {
            background: var(--primary-color);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            text-align: center;
            font-size: 13px;
            opacity: 0.7;
        }

        /* Mobile Menu */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--text-dark);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .product-display {
                grid-template-columns: 1fr;
            }

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

            .gallery-item:first-child {
                grid-column: span 2;
                grid-row: span 1;
            }
        }

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

            nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--white);
                padding: 20px;
                box-shadow: var(--shadow-md);
            }

            nav.active {
                display: block;
            }

            nav ul {
                flex-direction: column;
                gap: 15px;
            }

            .header-container .cta-button {
                display: none;
            }

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

            .video-selector {
                flex-wrap: wrap;
            }

            .about-image::before {
                display: none;
            }

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

            .contact-form {
                padding: 25px;
            }

            .stats-container {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .gallery-item:first-child {
                grid-column: span 1;
            }
        }

        /* Floating CTA */
        .floating-cta {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
        }

        .floating-cta a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 15px 25px;
            background: var(--gradient-primary);
            color: var(--white);
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: var(--shadow-lg);
            transition: all 0.3s;
            animation: cta-pulse 2s infinite;
        }

        .floating-cta a:hover {
            transform: scale(1.05);
        }

        @media (max-width: 768px) {
            .floating-cta {
                bottom: 20px;
                right: 20px;
                transition: transform 0.3s ease, opacity 0.3s ease;
            }

            .floating-cta.hidden {
                transform: translateY(100px);
                opacity: 0;
                pointer-events: none;
            }

            .floating-cta a {
                padding: 10px 16px;
                font-size: 13px;
                gap: 6px;
            }

            .floating-cta a i {
                font-size: 14px;
            }
        }

        /* Lightbox */
        .lightbox {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.9);
            z-index: 2000;
            justify-content: center;
            align-items: center;
        }

        .lightbox.active {
            display: flex;
        }

        .lightbox img {
            max-width: 90%;
            max-height: 90%;
            border-radius: 10px;
        }

        .lightbox-close {
            position: absolute;
            top: 20px;
            right: 30px;
            font-size: 40px;
            color: var(--white);
            cursor: pointer;
        }