/* roulang page: index */
:root {
            --primary-deep: #0A2E1C;
            --primary-forest: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-dark: #1a1a1a;
            --bg-section: #0d3320;
            --bg-card: #0f3b27;
            --border-gold: #FFD700;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 8px 24px rgba(0,0,0,0.4);
            --shadow-glow: 0 4px 20px rgba(255,215,0,0.25);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --max-width: 1200px;
            --font-heading: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --font-body: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--primary-deep);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; }
        ul, ol { list-style: none; }

        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

        .section { padding: var(--spacing-xl) 0; }
        .section--dark { background-color: var(--primary-forest); }
        .section--gold-accent { border-top: 3px solid var(--accent-gold); }

        .header {
            background: linear-gradient(180deg, #0B3523 0%, #0A2E1C 100%);
            border-bottom: 2px solid var(--accent-gold);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 12px rgba(0,0,0,0.5);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: 0.5px;
            line-height: 1.3;
            max-width: 300px;
            text-shadow: 0 2px 6px rgba(0,0,0,0.6);
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
        }

        .nav-desktop a {
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: all 0.25s ease;
            position: relative;
        }

        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--accent-gold);
            background: rgba(255,215,0,0.08);
        }

        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .header-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            color: var(--accent-gold);
            border: 1px solid var(--accent-gold);
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s;
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(255,215,0,0.1);
            box-shadow: 0 0 12px rgba(255,215,0,0.3);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), #FFA000);
            color: #0A2E1C;
            border: none;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 800;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s;
            white-space: nowrap;
            box-shadow: 0 4px 12px rgba(255,215,0,0.4);
        }

        .btn-signup:hover {
            box-shadow: 0 6px 20px rgba(255,215,0,0.6);
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: var(--accent-gold);
            cursor: pointer;
            background: none;
            border: none;
            padding: 8px;
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #0B2A1A;
            border-top: 1px solid var(--accent-gold);
            padding: 16px 0;
            width: 100%;
        }

        .mobile-menu a {
            padding: 12px 20px;
            color: var(--text-mint);
            font-weight: 600;
            border-bottom: 1px solid rgba(255,215,0,0.15);
        }

        .mobile-menu .header-buttons-mobile {
            display: flex;
            padding: 16px 20px;
            gap: 12px;
        }

        .hero {
            background: linear-gradient(135deg, #0B3523 0%, #062315 100%);
            padding: var(--spacing-xl) 0;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }

        .hero .container {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .hero-content {
            flex: 1 1 500px;
        }

        .hero-badge {
            display: inline-block;
            background: var(--accent-red);
            color: white;
            padding: 6px 16px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .hero h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.25;
            margin-bottom: var(--spacing-sm);
            text-shadow: 0 3px 12px rgba(0,0,0,0.7);
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-mint);
            margin-bottom: var(--spacing-md);
            max-width: 560px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: var(--spacing-md);
        }

        .btn-cta-gold {
            background: linear-gradient(135deg, var(--accent-gold), #FFB300);
            color: #0A2E1C;
            border: none;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 800;
            font-size: 1.05rem;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 6px 20px rgba(255,215,0,0.45);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-cta-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255,215,0,0.6);
        }

        .btn-cta-outline {
            background: transparent;
            color: var(--accent-gold);
            border: 2px solid var(--accent-gold);
            padding: 13px 32px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn-cta-outline:hover {
            background: rgba(255,215,0,0.12);
        }

        .hero-stats {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .hero-stat {
            background: rgba(0,0,0,0.35);
            backdrop-filter: blur(6px);
            padding: 12px 20px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,215,0,0.35);
            text-align: center;
        }

        .hero-stat-number {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--accent-gold);
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--text-mint);
        }

        .hero-visual {
            flex: 1 1 400px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: 0 12px 40px rgba(0,0,0,0.6);
            border: 2px solid rgba(255,215,0,0.5);
            max-height: 380px;
            object-fit: cover;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
            text-align: left;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-mint);
            margin-bottom: var(--spacing-md);
            max-width: 700px;
            line-height: 1.65;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }

        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            border: 1px solid rgba(255,215,0,0.2);
            transition: all 0.3s;
        }

        .feature-card:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 8px 28px rgba(255,215,0,0.2);
            transform: translateY(-4px);
        }

        .feature-icon {
            font-size: 2.4rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-xs);
        }

        .feature-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: white;
            margin-bottom: 8px;
        }

        .feature-card p {
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.55;
        }

        .progress-section {
            background: var(--bg-section);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid rgba(255,215,0,0.3);
        }

        .progress-steps {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .progress-step {
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .step-indicator {
            background: var(--accent-gold);
            color: #0A2E1C;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(255,215,0,0.35);
        }

        .step-content h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: white;
        }

        .step-content p {
            color: var(--text-mint);
            font-size: 0.95rem;
        }

        .scenario-split {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            align-items: center;
        }

        .scenario-text {
            flex: 1 1 350px;
        }

        .scenario-text ul {
            margin-top: var(--spacing-sm);
        }

        .scenario-text li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,215,0,0.2);
            color: var(--text-mint);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .scenario-text li i {
            color: var(--accent-gold);
        }

        .scenario-image {
            flex: 1 1 350px;
        }

        .scenario-image img {
            border-radius: var(--radius-md);
            border: 2px solid var(--accent-gold);
        }

        .testimonial-wall {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
        }

        .testimonial-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            flex: 1 1 280px;
            border: 1px solid rgba(255,215,0,0.2);
        }

        .testimonial-stars { color: var(--accent-gold); font-size: 1.1rem; margin-bottom: 8px; }
        .testimonial-text { color: var(--text-mint); font-style: italic; margin-bottom: 12px; }
        .testimonial-author { font-weight: 700; color: white; }

        .news-list {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: var(--spacing-md);
        }

        .news-main-list { display: flex; flex-direction: column; gap: 16px; }

        .news-item {
            border-bottom: 1px solid rgba(255,215,0,0.2);
            padding-bottom: 12px;
            display: flex;
            align-items: baseline;
            gap: 12px;
        }

        .news-date {
            background: var(--accent-gold);
            color: #0A2E1C;
            padding: 2px 10px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            white-space: nowrap;
        }

        .news-item a {
            color: white;
            font-weight: 600;
            transition: color 0.2s;
            font-size: 0.95rem;
        }

        .news-item a:hover { color: var(--accent-gold); }

        .news-sidebar {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-sm);
            border: 1px solid rgba(255,215,0,0.25);
        }

        .news-sidebar h4 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: var(--spacing-md);
        }

        .faq-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-sm) var(--spacing-md);
            border-left: 4px solid var(--accent-gold);
        }

        .faq-card h4 { color: white; font-weight: 700; margin-bottom: 6px; }
        .faq-card p { color: var(--text-mint); font-size: 0.9rem; }

        .cta-band {
            background: linear-gradient(135deg, #1A4A2E, #0B3523);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            text-align: center;
            border: 1px solid var(--accent-gold);
        }

        .cta-band h2 { color: var(--accent-gold); font-size: 2rem; }

        .footer {
            background: #051E10;
            padding: var(--spacing-lg) 0;
            border-top: 3px solid var(--accent-gold);
            color: var(--text-mint);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--spacing-md);
        }

        .footer-col h4 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-col a, .footer-col p { color: var(--text-mint); font-size: 0.9rem; display: block; margin-bottom: 6px; }

        .footer-bottom {
            text-align: center;
            margin-top: var(--spacing-md);
            padding-top: var(--spacing-sm);
            border-top: 1px solid rgba(255,215,0,0.25);
            font-size: 0.8rem;
        }

        .fab {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 99;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 20%, #0B2A1A, #062315);
            border: 3px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1.6rem;
            color: var(--accent-gold);
            animation: pulse-float 2.5s infinite;
            transition: all 0.3s;
        }

        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255,215,0,0.55);
        }

        @keyframes pulse-float {
            0% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
            100% { transform: translateY(0); }
        }

        @media (max-width: 1024px) {
            .hero h1 { font-size: 2.2rem; }
            .section-title { font-size: 1.8rem; }
            .news-list { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .mobile-menu.active { display: flex; }
            .header-buttons { display: none; }
            .header-buttons-mobile { display: flex; }
            .hero .container { flex-direction: column; }
            .hero-visual { order: -1; }
            .section { padding: var(--spacing-lg) 0; }
        }

        @media (max-width: 520px) {
            .hero h1 { font-size: 1.8rem; }
            .btn-cta-gold, .btn-cta-outline { width: 100%; justify-content: center; }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0D3522;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A0C4B5;
            --border-gold: #FFD700;
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --spacing-2xl: 6rem;
            --transition: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
        }

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

        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* Header */
        .header {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: var(--spacing-sm) 0;
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 0.5px;
            white-space: nowrap;
            text-shadow: 0 0 10px rgba(255, 215, 0, 0.4);
        }

        .nav-desktop {
            display: flex;
            gap: var(--spacing-lg);
            align-items: center;
        }

        .nav-desktop a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 0.25rem 0;
        }

        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition);
        }

        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--accent-gold);
        }

        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 100%;
        }

        .header-buttons {
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
        }

        .btn-login,
        .btn-signup {
            padding: 0.6rem 1.4rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.4);
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            box-shadow: 0 0 12px rgba(255, 215, 0, 0.2);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-red), #B71C1C);
            color: #fff;
            box-shadow: 0 4px 16px rgba(211, 47, 47, 0.5);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(211, 47, 47, 0.7);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.6rem;
            cursor: pointer;
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: var(--bg-secondary);
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding: var(--spacing-md);
            gap: var(--spacing-sm);
        }

        .mobile-menu a {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 0.5rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

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

        .header-buttons-mobile {
            display: flex;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-sm);
        }

        @media (max-width: 1024px) {
            .nav-desktop {
                display: none;
            }

            .header-buttons {
                display: none;
            }

            .hamburger {
                display: block;
            }

            .mobile-menu.active {
                display: flex;
                width: 100%;
            }
        }

        /* Article Detail Layout */
        .article-detail {
            padding: var(--spacing-xl) 0;
        }

        .article-wrapper {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(255, 215, 0, 0.15);
            overflow: hidden;
        }

        .article-header-hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            padding: var(--spacing-xl);
        }

        .article-header-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(10, 46, 28, 0.95) 0%, rgba(10, 46, 28, 0.4) 100%);
        }

        .article-header-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .article-category-tag {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 0.3rem 1rem;
            border-radius: 50px;
            margin-bottom: var(--spacing-sm);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .article-header-content h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: var(--spacing-sm);
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
        }

        .article-meta {
            display: flex;
            gap: var(--spacing-md);
            color: var(--text-secondary);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .article-body {
            padding: var(--spacing-xl);
        }

        .article-content {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.8;
            word-wrap: break-word;
        }

        .article-content h2 {
            font-size: 1.6rem;
            color: var(--accent-gold);
            margin: var(--spacing-lg) 0 var(--spacing-sm);
            font-weight: 700;
            border-left: 4px solid var(--accent-gold);
            padding-left: var(--spacing-sm);
        }

        .article-content h3 {
            font-size: 1.3rem;
            color: var(--text-primary);
            margin: var(--spacing-md) 0 var(--spacing-xs);
            font-weight: 600;
        }

        .article-content p {
            margin-bottom: var(--spacing-md);
        }

        .article-content ul,
        .article-content ol {
            margin-left: var(--spacing-lg);
            margin-bottom: var(--spacing-md);
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: var(--spacing-md) 0;
        }

        .not-found-state {
            text-align: center;
            padding: var(--spacing-2xl);
            background: var(--bg-card);
            border-radius: var(--radius-lg);
        }

        .not-found-state i {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-md);
            display: block;
        }

        .not-found-state h2 {
            font-size: 1.8rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }

        .not-found-state p {
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--accent-gold), #DAA520);
            color: #000;
            font-weight: 700;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            transition: var(--transition);
        }

        .btn-back-home:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.4);
        }

        /* Related Section */
        .related-section {
            margin-top: var(--spacing-xl);
            padding-top: var(--spacing-lg);
            border-top: 1px solid rgba(255, 215, 0, 0.2);
        }

        .related-section h3 {
            font-size: 1.4rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-md);
            font-weight: 700;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--spacing-md);
        }

        .related-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(255, 215, 0, 0.1);
            transition: var(--transition);
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
            border-color: var(--accent-gold);
        }

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

        .related-card-body {
            padding: var(--spacing-md);
        }

        .related-card-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .related-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #1A1A1A, #0B0B0B);
            border: 3px solid var(--accent-gold);
            box-shadow: var(--shadow-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.8;
            animation: floatVertical 3s ease-in-out infinite;
        }

        .fab-left i {
            color: var(--accent-gold);
            font-size: 1.8rem;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.15);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }

        @keyframes floatVertical {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-8px);
            }
        }

        /* Footer */
        .footer {
            background: var(--bg-secondary);
            border-top: 2px solid rgba(255, 215, 0, 0.3);
            padding: var(--spacing-xl) 0;
            margin-top: var(--spacing-2xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-col h4 {
            font-size: 1.15rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
            font-weight: 700;
        }

        .footer-col p,
        .footer-col a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            display: block;
            margin-bottom: 0.4rem;
        }

        .footer-col a:hover {
            color: var(--accent-gold);
            transform: translateX(4px);
            display: inline-block;
        }

        .footer-bottom {
            text-align: center;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding-top: var(--spacing-md);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        @media (max-width: 768px) {
            .article-header-hero {
                min-height: 240px;
                padding: var(--spacing-lg);
            }

            .article-header-content h1 {
                font-size: 1.8rem;
            }

            .article-body {
                padding: var(--spacing-lg);
            }

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

            .fab-left {
                left: 1rem;
                bottom: 4rem;
                width: 48px;
                height: 48px;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0D111E;
            --secondary-bg: #131829;
            --card-bg: #1A2035;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --gold: #FFD700;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #8892B0;
            --border-color: rgba(0, 240, 255, 0.15);
            --radius-lg: 28px;
            --radius-md: 18px;
            --radius-sm: 12px;
            --shadow-glow: 0 0 18px rgba(0, 82, 255, 0.35);
            --shadow-cyan: 0 0 22px rgba(0, 240, 255, 0.3);
            --transition: all 0.25s ease;
        }

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

        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .header {
            background: rgba(13, 17, 30, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 50;
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo {
            font-weight: 700;
            font-size: 1.25rem;
            background: linear-gradient(135deg, #00F0FF 0%, #0052FF 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.3px;
        }

        .nav-desktop {
            display: flex;
            gap: 32px;
            align-items: center;
        }

        .nav-desktop a {
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 0;
            border-bottom: 2px solid transparent;
            font-size: 0.95rem;
        }

        .nav-desktop a.active,
        .nav-desktop a:hover {
            color: var(--accent-cyan);
            border-bottom-color: var(--accent-cyan);
        }

        .header-buttons {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .btn-login, .btn-signup {
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--text-secondary);
            color: var(--text-secondary);
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        .btn-signup {
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        .btn-signup:hover {
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.55);
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #0D111E;
            padding: 20px 24px;
            gap: 16px;
            border-bottom: 1px solid var(--border-color);
        }

        .header-buttons-mobile {
            display: flex;
            gap: 12px;
            margin-top: 8px;
        }

        /* Hero Section - Asking Style */
        .hero {
            padding: 80px 0 60px;
            background: radial-gradient(circle at 30% 10%, #1A2B5C, #0D111E);
        }

        .hero-grid {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .hero-content {
            flex: 1 1 500px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(0, 240, 255, 0.15);
            color: var(--accent-cyan);
            padding: 6px 16px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.8rem;
            margin-bottom: 20px;
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 24px;
        }

        .highlight {
            background: linear-gradient(135deg, #FFD700, #FFB800);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-pain {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 30px;
            font-weight: 400;
        }

        .hero-form {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 28px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            border: 1px solid var(--border-color);
            align-items: center;
        }

        .hero-form input {
            flex: 2;
            min-width: 200px;
            background: #0D111E;
            border: 1px solid var(--border-color);
            border-radius: 40px;
            padding: 14px 20px;
            color: white;
            font-size: 1rem;
        }

        .hero-form button {
            flex: 1;
            background: var(--accent-blue);
            border: none;
            border-radius: 40px;
            padding: 14px 28px;
            color: white;
            font-weight: 700;
            cursor: pointer;
            box-shadow: var(--shadow-glow);
            transition: var(--transition);
        }

        .hero-form button:hover {
            background: #0040cc;
            box-shadow: 0 0 30px #0052FF;
        }

        .hero-visual {
            flex: 1 1 400px;
            position: relative;
        }

        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: 0 15px 35px rgba(0, 240, 255, 0.15);
        }

        /* Section Titles */
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
            text-align: left;
        }

        .section-desc {
            color: var(--text-secondary);
            margin-bottom: 40px;
            font-size: 1.1rem;
            max-width: 700px;
        }

        /* Value Cards */
        .value-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
            margin-top: 30px;
        }

        .value-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .value-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-cyan);
        }

        .value-icon {
            font-size: 2rem;
            color: var(--accent-cyan);
            margin-bottom: 18px;
        }

        .value-card h3 {
            font-size: 1.4rem;
            margin-bottom: 12px;
        }

        /* Steps */
        .steps-section {
            background: var(--secondary-bg);
            border-radius: var(--radius-lg);
            padding: 50px 36px;
            margin: 60px 0;
        }

        .step-list {
            display: flex;
            flex-direction: column;
            gap: 36px;
        }

        .step-item {
            display: flex;
            gap: 24px;
            align-items: flex-start;
        }

        .step-num {
            background: var(--accent-blue);
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 20px 0;
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.15rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-answer {
            color: var(--text-secondary);
            padding-top: 12px;
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* CTA */
        .cta-bar {
            background: linear-gradient(135deg, #0052FF, #0A1C4A);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
            margin: 60px 0;
        }

        .btn-cta {
            background: white;
            color: #0052FF;
            padding: 16px 36px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.1rem;
        }

        /* Footer */
        .footer {
            background: #0A0D18;
            padding: 60px 0 24px;
            margin-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 32px;
        }

        .footer h4 {
            color: var(--accent-cyan);
            margin-bottom: 18px;
        }

        .footer a, .footer p {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: block;
            margin-bottom: 8px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            margin-top: 40px;
            padding-top: 20px;
            text-align: center;
            color: var(--text-muted);
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(13,17,30,0.8);
            backdrop-filter: blur(8px);
            border-radius: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--accent-cyan);
            border: 1px solid var(--accent-cyan);
            box-shadow: 0 0 18px rgba(0,240,255,0.5);
            transition: var(--transition);
            cursor: pointer;
        }

        .fab-left:hover {
            transform: scale(1.08);
            box-shadow: 0 0 30px #00F0FF;
        }

        @media (max-width: 1024px) {
            .hero h1 { font-size: 2.2rem; }
        }

        @media (max-width: 768px) {
            .nav-desktop, .header-buttons { display: none; }
            .hamburger { display: block; }
            .mobile-menu.active { display: flex; }
            .hero-grid { flex-direction: column; }
            .cta-bar { flex-direction: column; text-align: center; }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0B1A30;
            --bg-secondary: #0F0C20;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --card-bg: rgba(15, 12, 32, 0.9);
            --border-neon: 1px solid #00F0FF;
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.4);
            --radius-lg: 1.25rem;
            --radius-md: 0.75rem;
            --radius-sm: 0.5rem;
            --transition-base: all 0.25s ease;
            --font-heading: 'Segoe UI', 'Inter', system-ui, sans-serif;
            --font-body: 'Segoe UI', 'Inter', system-ui, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            font-family: var(--font-body);
            background: linear-gradient(145deg, var(--bg-primary) 0%, var(--bg-secondary) 85%);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }

        button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            outline: none;
            transition: var(--transition-base);
        }

        /* Header */
        .header {
            background: rgba(11, 26, 48, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.25);
            position: sticky;
            top: 0;
            z-index: 90;
            padding: 0.75rem 0;
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--accent-cyan);
            text-shadow: 0 0 8px rgba(0,240,255,0.5);
            letter-spacing: -0.3px;
            line-height: 1.2;
            max-width: 260px;
        }

        .nav-desktop {
            display: flex;
            gap: 1.5rem;
            align-items: center;
        }

        .nav-desktop a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-silver);
            position: relative;
            padding: 0.4rem 0;
        }

        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-lime);
            transition: width 0.3s ease;
        }

        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--accent-lime);
        }
        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 100%;
        }

        .header-buttons {
            display: flex;
            gap: 0.75rem;
            align-items: center;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 0.5rem 1.2rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.3px;
            transition: var(--transition-base);
        }
        .btn-login:hover {
            background: rgba(0,240,255,0.12);
            box-shadow: 0 0 12px rgba(0,240,255,0.3);
        }

        .btn-signup {
            background: var(--accent-lime);
            color: #0B1A30;
            padding: 0.5rem 1.2rem;
            border-radius: 2rem;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 0 15px rgba(204,255,0,0.4);
            transition: var(--transition-base);
        }
        .btn-signup:hover {
            background: #e0ff33;
            box-shadow: 0 0 22px rgba(204,255,0,0.6);
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            background: transparent;
            color: var(--accent-cyan);
            font-size: 1.6rem;
            border: none;
        }

        .mobile-menu {
            display: none;
            background: rgba(11, 26, 48, 0.98);
            backdrop-filter: blur(12px);
            padding: 1.5rem;
            flex-direction: column;
            gap: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            border-bottom: 1px solid var(--accent-cyan);
            z-index: 80;
        }
        .mobile-menu a {
            color: var(--text-silver);
            font-weight: 600;
        }
        .header-buttons-mobile {
            display: flex;
            gap: 0.75rem;
            margin-top: 0.5rem;
        }

        /* Hero */
        .hero {
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 4rem 0 5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 480px;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11,26,48,0.92) 0%, rgba(15,12,32,0.7) 60%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 2.5rem;
        }
        .hero-text {
            flex: 1 1 500px;
        }
        .hero-text h1 {
            font-size: 2.85rem;
            font-weight: 800;
            color: var(--accent-lime);
            text-shadow: 0 0 18px rgba(204,255,0,0.5);
            line-height: 1.2;
            margin-bottom: 1.25rem;
        }
        .hero-text p {
            font-size: 1.25rem;
            color: var(--text-silver);
            margin-bottom: 2rem;
        }
        .coupon-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
        }
        .coupon {
            background: linear-gradient(135deg, #1C1C3D, #0F1D35);
            border: 1px solid var(--accent-cyan);
            border-radius: var(--radius-md);
            padding: 1.25rem 1.8rem;
            box-shadow: 0 0 14px rgba(0,240,255,0.25);
            transition: var(--transition-base);
        }
        .coupon:hover {
            box-shadow: var(--shadow-neon);
            transform: translateY(-3px);
        }
        .coupon .amount {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-lime);
        }
        .coupon .label {
            color: var(--text-silver);
            font-size: 0.9rem;
        }
        .hero-image {
            flex: 0 0 300px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-neon);
        }

        .btn-primary {
            background: var(--accent-lime);
            color: #0B1A30;
            font-weight: 800;
            padding: 0.85rem 2.2rem;
            border-radius: 3rem;
            font-size: 1.1rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: 0 0 18px rgba(204,255,0,0.5);
        }
        .btn-primary:hover {
            background: #e5ff4d;
        }

        /* Sections */
        .section {
            padding: 4.5rem 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-lime);
            margin-bottom: 0.8rem;
        }
        .section-sub {
            color: var(--text-silver);
            font-size: 1.1rem;
            margin-bottom: 2.5rem;
        }

        /* Benefits grid */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.8rem;
        }
        .benefit-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            border: 1px solid rgba(0,240,255,0.25);
            transition: var(--transition-base);
        }
        .benefit-card:hover {
            border-color: var(--accent-lime);
            box-shadow: 0 0 18px rgba(204,255,0,0.2);
        }
        .benefit-icon {
            font-size: 2.5rem;
            color: var(--accent-cyan);
            margin-bottom: 1rem;
        }
        .benefit-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
        }

        /* App showcase */
        .app-showcase {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            align-items: center;
            background: rgba(15,12,32,0.7);
            border-radius: var(--radius-lg);
            padding: 2rem;
            border: 1px solid var(--accent-cyan);
        }
        .app-showcase img {
            border-radius: var(--radius-md);
            max-width: 300px;
        }
        .app-details {
            flex: 1;
        }

        .badge-platform {
            background: var(--accent-lime);
            color: #0B1A30;
            padding: 0.3rem 0.9rem;
            border-radius: 2rem;
            font-weight: 700;
            font-size: 0.85rem;
            display: inline-block;
            margin-right: 0.5rem;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid rgba(0,240,255,0.3);
            padding: 1.25rem 0;
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--accent-cyan);
            cursor: pointer;
        }
        .faq-answer {
            color: var(--text-silver);
            margin-top: 0.5rem;
        }

        /* Footer */
        .footer {
            background: #0A1525;
            padding: 3rem 0 1.5rem;
            border-top: 1px solid rgba(0,240,255,0.2);
            color: var(--text-silver);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            color: var(--accent-lime);
            margin-bottom: 1rem;
            font-weight: 700;
        }
        .footer-bottom {
            text-align: center;
            font-size: 0.85rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.5rem;
        }

        @media (max-width: 768px) {
            .nav-desktop, .header-buttons {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .hero-image {
                flex: 0 0 100%;
            }
            .logo {
                font-size: 1.2rem;
                max-width: 200px;
            }
        }