/* roulang page: index */
@import url('/assets/css/vendor/9723b7396f-css2.css');
        
        :root {
            --color-bg-primary: #0A2E1C;
            --color-bg-secondary: #123E25;
            --color-accent-gold: #FFD700;
            --color-accent-red: #D32F2F;
            --color-text-white: #FFFFFF;
            --color-text-mint: #D1F2EB;
            --color-border-gold: rgba(255, 215, 0, 0.4);
            --radius-card: 16px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 30px rgba(255, 215, 0, 0.15);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Be Vietnam Pro', 'Segoe UI', sans-serif;
            background-color: var(--color-bg-primary);
            color: var(--color-text-white);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border-gold);
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10, 46, 28, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--color-text-white);
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-accent-gold), #FFA500);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-bg-primary);
            font-size: 20px;
            font-weight: 900;
            box-shadow: var(--shadow-gold-glow);
        }

        .logo-text {
            font-size: 16px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            max-width: 200px;
        }

        .logo-text span {
            display: block;
            font-size: 10px;
            font-weight: 500;
            color: var(--color-accent-gold);
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }

        .nav-menu li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            color: var(--color-text-mint);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .nav-menu li a:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--color-accent-gold);
        }

        .nav-menu li a.active {
            background: var(--color-accent-gold);
            color: var(--color-bg-primary);
            font-weight: 700;
            box-shadow: var(--shadow-gold-glow);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 8px 16px;
            border-radius: 20px;
            color: var(--color-text-white);
            text-decoration: none;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .btn-signup {
            padding: 8px 20px;
            border-radius: 20px;
            background: linear-gradient(135deg, var(--color-accent-gold), #FFA500);
            color: var(--color-bg-primary);
            text-decoration: none;
            font-size: 14px;
            font-weight: 700;
            box-shadow: var(--shadow-gold-glow);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-text-white);
            font-size: 24px;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition-base);
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            padding: 80px 0 100px;
            background: linear-gradient(180deg, #0A2E1C 0%, #0E3A24 50%, #0A2E1C 100%);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            pointer-events: none;
        }

        .hero-grid {
            position: relative;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            z-index: 1;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--color-border-gold);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent-gold);
            margin-bottom: 24px;
        }

        .hero-badge i {
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        .hero-title {
            font-size: 48px;
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: 24px;
            letter-spacing: -0.03em;
            color: var(--color-text-white);
        }

        .hero-title .highlight {
            color: var(--color-accent-gold);
            text-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
        }

        .hero-description {
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text-mint);
            margin-bottom: 32px;
            max-width: 540px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }

        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--color-accent-gold), #FFA500);
            color: var(--color-bg-primary);
            font-size: 16px;
            font-weight: 800;
            text-decoration: none;
            box-shadow: 0 8px 25px rgba(255, 215, 0, 0.35);
            transition: var(--transition-base);
        }

        .btn-primary-hero:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(255, 215, 0, 0.5);
        }

        .btn-secondary-hero {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 30px;
            background: transparent;
            border: 2px solid var(--color-accent-gold);
            color: var(--color-accent-gold);
            font-size: 16px;
            font-weight: 700;
            text-decoration: none;
            transition: var(--transition-base);
        }

        .btn-secondary-hero:hover {
            background: rgba(255, 215, 0, 0.1);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-number {
            font-size: 32px;
            font-weight: 900;
            color: var(--color-accent-gold);
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 13px;
            color: var(--color-text-mint);
            margin-top: 4px;
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-wheel-preview {
            position: relative;
            width: 100%;
            max-width: 480px;
            aspect-ratio: 1;
        }

        .hero-wheel-preview img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
            box-shadow: 0 0 60px rgba(255, 215, 0, 0.25);
            border: 6px solid var(--color-accent-gold);
            animation: slow-spin 30s linear infinite;
        }

        @keyframes slow-spin {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .hero-wheel-preview::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 80px;
            height: 80px;
            background: var(--color-accent-gold);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            box-shadow: 0 0 30px rgba(255, 215, 0, 0.6);
            z-index: 2;
        }

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

        .section-header {
            text-align: left;
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent-gold);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 36px;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: var(--color-text-white);
        }

        .section-description {
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text-mint);
            max-width: 720px;
        }

        /* Feature Cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-card);
            padding: 32px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent-gold), transparent);
            opacity: 0;
            transition: var(--transition-base);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            border-color: var(--color-border-gold);
            box-shadow: var(--shadow-hover);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            background: rgba(255, 215, 0, 0.1);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--color-accent-gold);
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-text-white);
        }

        .feature-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-mint);
        }

        /* Comparison Table */
        .comparison-section {
            background: var(--color-bg-secondary);
            border-radius: 24px;
            padding: 48px;
            position: relative;
            overflow: hidden;
        }

        .comparison-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.1), transparent);
            border-radius: 50%;
        }

        .comparison-table-wrapper {
            overflow-x: auto;
            position: relative;
            z-index: 1;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .comparison-table th {
            text-align: left;
            padding: 16px 20px;
            font-size: 14px;
            font-weight: 700;
            color: var(--color-accent-gold);
            border-bottom: 2px solid var(--color-border-gold);
        }

        .comparison-table td {
            padding: 16px 20px;
            font-size: 14px;
            color: var(--color-text-mint);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .comparison-table .highlight-cell {
            color: var(--color-accent-gold);
            font-weight: 700;
        }

        .comparison-table .check-icon {
            color: #4CAF50;
            font-size: 18px;
        }

        .comparison-table .cross-icon {
            color: #F44336;
            font-size: 18px;
        }

        /* Guest Highlights */
        .guest-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .guest-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .guest-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-border-gold);
        }

        .guest-card-image {
            aspect-ratio: 1;
            overflow: hidden;
            position: relative;
        }

        .guest-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .guest-card:hover .guest-card-image img {
            transform: scale(1.05);
        }

        .guest-card-content {
            padding: 20px;
        }

        .guest-card-content h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text-white);
        }

        .guest-card-content p {
            font-size: 13px;
            color: var(--color-text-mint);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .guest-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-accent-gold);
            text-decoration: none;
            font-size: 13px;
            font-weight: 600;
            transition: var(--transition-base);
        }

        .guest-card-link:hover {
            gap: 10px;
        }

        /* Category Tags */
        .category-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .category-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 24px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 215, 0, 0.2);
            color: var(--color-text-mint);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-base);
        }

        .category-tag:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--color-accent-gold);
            color: var(--color-accent-gold);
            transform: translateY(-2px);
        }

        .category-tag i {
            font-size: 16px;
            color: var(--color-accent-gold);
        }

        /* News List */
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

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

        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            text-decoration: none;
            transition: var(--transition-base);
        }

        .news-item:hover {
            background: rgba(255, 215, 0, 0.05);
            border-color: var(--color-border-gold);
            transform: translateX(4px);
        }

        .news-item-content {
            flex: 1;
        }

        .news-item-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-item-meta {
            display: flex;
            gap: 16px;
            font-size: 12px;
            color: var(--color-text-mint);
            margin-bottom: 8px;
        }

        .news-item-excerpt {
            font-size: 13px;
            color: var(--color-text-mint);
            line-height: 1.6;
        }

        .news-sidebar {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-card);
            padding: 28px;
            height: fit-content;
        }

        .news-sidebar h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--color-text-white);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-sidebar h3 i {
            color: var(--color-accent-gold);
        }

        .news-sidebar-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            text-decoration: none;
            transition: var(--transition-base);
        }

        .news-sidebar-item:last-child {
            border-bottom: none;
        }

        .news-sidebar-item:hover {
            padding-left: 8px;
        }

        .news-sidebar-item i {
            color: var(--color-accent-gold);
            font-size: 14px;
        }

        .news-sidebar-item span {
            font-size: 13px;
            color: var(--color-text-mint);
            font-weight: 500;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 800px;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--color-border-gold);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-white);
            transition: var(--transition-base);
            user-select: none;
        }

        .faq-question:hover {
            color: var(--color-accent-gold);
        }

        .faq-question i {
            transition: transform 0.3s ease;
            color: var(--color-accent-gold);
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-mint);
        }

        /* CTA Section */
        .cta-section {
            position: relative;
            background: linear-gradient(135deg, #123E25 0%, #0A2E1C 100%);
            border-radius: 24px;
            padding: 60px;
            text-align: center;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.15), transparent);
            border-radius: 50%;
        }

        .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-content h2 {
            font-size: 36px;
            font-weight: 900;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .cta-content p {
            font-size: 16px;
            color: var(--color-text-mint);
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 16px 40px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--color-accent-gold), #FFA500);
            color: var(--color-bg-primary);
            font-size: 18px;
            font-weight: 800;
            text-decoration: none;
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.4);
            transition: var(--transition-base);
        }

        .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(255, 215, 0, 0.5);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A1A1A, #0D0D0D);
            border: 3px solid var(--color-accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition-base);
            animation: fab-float 3s ease-in-out infinite;
            opacity: 0.7;
        }

        .fab:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }

        .fab:active {
            transform: scale(0.95);
        }

        .fab i {
            font-size: 24px;
            color: var(--color-accent-gold);
        }

        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #FF0000;
            border-radius: 50%;
            border: 2px solid #1A1A1A;
            animation: blink 2s infinite;
        }

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

        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Footer */
        .site-footer {
            background: #071F13;
            border-top: 1px solid var(--color-border-gold);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            max-width: 320px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
            text-decoration: none;
            color: var(--color-text-white);
        }

        .footer-logo .logo-icon {
            width: 36px;
            height: 36px;
            font-size: 18px;
        }

        .footer-logo .logo-text {
            font-size: 14px;
        }

        .footer-description {
            font-size: 13px;
            color: var(--color-text-mint);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-mint);
            text-decoration: none;
            transition: var(--transition-base);
        }

        .footer-social a:hover {
            background: var(--color-accent-gold);
            color: var(--color-bg-primary);
            transform: translateY(-2px);
        }

        .footer-column h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

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

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

        .footer-column ul li a {
            color: var(--color-text-mint);
            text-decoration: none;
            font-size: 13px;
            transition: var(--transition-base);
        }

        .footer-column ul li a:hover {
            color: var(--color-accent-gold);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-bottom p {
            font-size: 12px;
            color: var(--color-text-mint);
        }

        .footer-bottom a {
            color: var(--color-accent-gold);
            text-decoration: none;
        }

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

            .hero-title {
                font-size: 38px;
            }

            .hero-visual {
                order: -1;
            }

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

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

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

            .news-layout {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: 20px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border-gold);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-menu li a {
                width: 100%;
                padding: 12px 16px;
            }

            .mobile-toggle {
                display: block;
            }

            .nav-actions {
                gap: 4px;
            }

            .btn-login,
            .btn-signup {
                padding: 6px 12px;
                font-size: 12px;
            }

            .hero-section {
                padding: 60px 0 70px;
            }

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

            .hero-description {
                font-size: 14px;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stat-number {
                font-size: 24px;
            }

            .section-padding {
                padding: 60px 0;
            }

            .section-title {
                font-size: 28px;
            }

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

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

            .comparison-section {
                padding: 24px;
            }

            .cta-section {
                padding: 40px 24px;
            }

            .cta-content h2 {
                font-size: 28px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .fab {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }

            .fab i {
                font-size: 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .logo-text {
                font-size: 13px;
                max-width: 150px;
            }

            .logo-text span {
                font-size: 8px;
            }

            .hero-title {
                font-size: 26px;
            }

            .hero-cta-group {
                flex-direction: column;
            }

            .btn-primary-hero,
            .btn-secondary-hero {
                width: 100%;
                justify-content: center;
            }

            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }

            .section-title {
                font-size: 24px;
            }

            .news-item {
                flex-direction: column;
                gap: 12px;
            }

            .category-tag {
                font-size: 12px;
                padding: 8px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #7C3AED;
            --primary-dark: #6D28D9;
            --primary-light: #A78BFA;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg-dark: #0F0A1E;
            --bg-card: #1A1333;
            --bg-card-hover: #221A40;
            --text-white: #FFFFFF;
            --text-light: #D1C7E8;
            --text-muted: #9D8FB8;
            --border: #3B2D5E;
            --border-light: #52426E;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.3);
            --shadow-lg: 0 16px 40px rgba(0,0,0,0.4);
            --shadow-glow: 0 0 20px rgba(124,58,237,0.3);
            --transition: all 0.3s ease;
            --font-family: 'Be Vietnam Pro', 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-dark);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

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

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== HEADER / NAVBAR ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(15,10,30,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(124,58,237,0.2);
            transition: var(--transition);
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 24px;
            max-width: 1200px;
            margin: 0 auto;
            gap: 20px;
            flex-wrap: wrap;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            box-shadow: var(--shadow-glow);
            transition: var(--transition);
        }

        .logo-link:hover .logo-icon {
            transform: rotate(10deg) scale(1.05);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text strong {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.3px;
        }

        .logo-text span {
            font-size: 11px;
            color: var(--accent);
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
        }

        .nav-menu li a {
            display: block;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            border-radius: 50px;
            transition: var(--transition);
            position: relative;
        }

        .nav-menu li a:hover {
            color: #fff;
            background: rgba(124,58,237,0.15);
        }

        .nav-menu li a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 12px rgba(124,58,237,0.35);
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            color: var(--text-light);
            padding: 9px 18px;
            font-size: 14px;
            font-weight: 500;
            border-radius: 50px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .btn-login:hover {
            border-color: var(--primary-light);
            color: #fff;
            background: rgba(124,58,237,0.1);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #1a1a1a;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 700;
            border-radius: 50px;
            box-shadow: 0 4px 16px rgba(245,158,11,0.35);
            transition: var(--transition);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245,158,11,0.45);
        }

        /* ===== HERO ===== */
        .hero-education {
            position: relative;
            padding: 80px 0 70px;
            background: radial-gradient(ellipse at 30% 20%, rgba(124,58,237,0.18) 0%, transparent 55%),
                        radial-gradient(ellipse at 70% 80%, rgba(245,158,11,0.1) 0%, transparent 50%),
                        var(--bg-dark);
            overflow: hidden;
        }

        .hero-education::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(124,58,237,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(124,58,237,0.15);
            border: 1px solid rgba(124,58,237,0.3);
            color: var(--primary-light);
            padding: 7px 16px;
            font-size: 13px;
            font-weight: 600;
            border-radius: 50px;
            margin-bottom: 22px;
            letter-spacing: 0.3px;
        }

        .hero-badge i {
            font-size: 12px;
        }

        .hero-content h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #fff 40%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content .hero-subtitle {
            font-size: 17px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 30px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 14px 30px;
            font-size: 16px;
            font-weight: 700;
            border-radius: 50px;
            box-shadow: 0 6px 24px rgba(124,58,237,0.4);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(124,58,237,0.55);
        }

        .btn-secondary {
            background: transparent;
            color: #fff;
            padding: 14px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 50px;
            border: 2px solid var(--border-light);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-secondary:hover {
            border-color: var(--primary-light);
            background: rgba(124,58,237,0.08);
            transform: translateY(-3px);
        }

        .hero-visual {
            position: relative;
        }

        .hero-image-wrapper {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(124,58,237,0.25);
        }

        .hero-image-wrapper img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }

        .hero-image-wrapper::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(124,58,237,0.15) 0%, rgba(245,158,11,0.1) 100%);
            pointer-events: none;
        }

        .hero-stats-float {
            position: absolute;
            bottom: -20px;
            left: -20px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 22px;
            display: flex;
            gap: 14px;
            align-items: center;
            box-shadow: var(--shadow-md);
        }

        .hero-stats-float i {
            font-size: 28px;
            color: var(--accent);
        }

        .hero-stats-float div strong {
            font-size: 22px;
            font-weight: 800;
            display: block;
            line-height: 1.2;
        }

        .hero-stats-float div span {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== SECTION COMMON ===== */
        .section {
            padding: 70px 0;
            position: relative;
        }

        .section-header {
            margin-bottom: 45px;
            text-align: left;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 34px;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 14px;
            color: #fff;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 640px;
        }

        /* ===== FEATURES ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            border-color: var(--primary-light);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-md);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            background: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(245,158,11,0.15));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary-light);
            margin-bottom: 18px;
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            color: var(--accent);
            transform: scale(1.08);
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* ===== STEPS / HOW TO ===== */
        .how-to-section {
            background: rgba(26,19,51,0.5);
            border-top: 1px solid rgba(124,58,237,0.15);
            border-bottom: 1px solid rgba(124,58,237,0.15);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            position: relative;
            transition: var(--transition);
            counter-increment: step;
        }

        .step-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .step-number {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            box-shadow: 0 4px 12px rgba(124,58,237,0.3);
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

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

        /* ===== USE CASES ===== */
        .usecases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .usecase-card {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition);
            align-items: flex-start;
        }

        .usecase-card:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .usecase-icon {
            width: 56px;
            height: 56px;
            min-width: 56px;
            background: linear-gradient(135deg, rgba(124,58,237,0.18), rgba(245,158,11,0.12));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary-light);
        }

        .usecase-content h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .usecase-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* ===== SOCIAL PROOF ===== */
        .social-proof {
            background: linear-gradient(135deg, rgba(124,58,237,0.08) 0%, rgba(245,158,11,0.05) 100%);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(124,58,237,0.2);
            padding: 45px 40px;
            margin-top: 20px;
        }

        .proof-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .proof-stat strong {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            display: block;
            letter-spacing: -1px;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .proof-stat span {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
            display: block;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--primary-light);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            gap: 16px;
            user-select: none;
        }

        .faq-question i {
            font-size: 14px;
            color: var(--accent);
            transition: var(--transition);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 24px 20px;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, #4C1D95 100%);
            border-radius: var(--radius-lg);
            padding: 55px 45px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245,158,11,0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            color: #fff;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255,255,255,0.85);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-cta-light {
            background: #fff;
            color: var(--primary-dark);
            padding: 15px 34px;
            font-size: 16px;
            font-weight: 700;
            border-radius: 50px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.25);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-cta-light:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.35);
            background: #f5f5f5;
        }

        .btn-cta-outline {
            background: transparent;
            color: #fff;
            padding: 15px 30px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 50px;
            border: 2px solid rgba(255,255,255,0.5);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-cta-outline:hover {
            background: rgba(255,255,255,0.1);
            border-color: #fff;
            transform: translateY(-3px);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: #0B0717;
            border-top: 1px solid rgba(124,58,237,0.2);
            padding: 60px 0 30px;
            margin-top: 70px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand .footer-logo .logo-icon {
            width: 40px;
            height: 40px;
            font-size: 18px;
        }

        .footer-brand .footer-logo .logo-text strong {
            font-size: 15px;
        }

        .footer-brand .footer-logo .logo-text span {
            font-size: 10px;
        }

        .footer-description {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 360px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .footer-column h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-column ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-column ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .footer-column ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
        }

        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== FAB ===== */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
            width: 52px;
            height: 52px;
            background: rgba(15,10,30,0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(15,10,30,0.7), rgba(15,10,30,0.7)), linear-gradient(135deg, #00F0FF, #0052FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #00F0FF;
            box-shadow: 0 0 15px rgba(0,240,255,0.4);
            transition: var(--transition);
            opacity: 0.65;
            cursor: pointer;
        }

        .fab:hover {
            opacity: 1;
            box-shadow: 0 0 28px rgba(0,240,255,0.7);
            transform: scale(1.1);
            color: #fff;
        }

        .fab:active {
            transform: scale(0.95);
            border-color: #FF007F;
            color: #FF007F;
        }

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid #0F0A1E;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }

        /* ===== BOTTOM STICKY CTA ===== */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(15,10,30,0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(124,58,237,0.3);
            padding: 14px 24px;
            z-index: 95;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            transform: translateY(100%);
            transition: transform 0.4s ease;
        }

        .sticky-cta-bar.visible {
            transform: translateY(0);
        }

        .sticky-cta-text {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
        }

        .sticky-cta-text strong {
            color: var(--accent);
        }

        .sticky-cta-actions {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .btn-sticky-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 700;
            border-radius: 50px;
            transition: var(--transition);
        }

        .btn-sticky-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(124,58,237,0.4);
        }

        .btn-sticky-secondary {
            background: transparent;
            color: #fff;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: 50px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .btn-sticky-secondary:hover {
            border-color: var(--primary-light);
            background: rgba(124,58,237,0.1);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .hero-content h1 {
                font-size: 36px;
            }
            
            .hero-image-wrapper img {
                height: 320px;
            }
            
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            
            .proof-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .navbar {
                padding: 12px 16px;
                gap: 12px;
            }
            
            .nav-menu {
                order: 3;
                width: 100%;
                justify-content: center;
                gap: 4px;
                padding-top: 8px;
                border-top: 1px solid rgba(124,58,237,0.15);
            }
            
            .nav-menu li a {
                padding: 6px 12px;
                font-size: 12px;
            }
            
            .nav-auth {
                gap: 6px;
            }
            
            .btn-login {
                padding: 7px 14px;
                font-size: 12px;
            }
            
            .btn-signup {
                padding: 8px 16px;
                font-size: 12px;
            }
            
            .hero-education {
                padding: 50px 0 45px;
            }
            
            .hero-content h1 {
                font-size: 30px;
            }
            
            .hero-content .hero-subtitle {
                font-size: 15px;
            }
            
            .hero-image-wrapper img {
                height: 250px;
            }
            
            .hero-stats-float {
                bottom: -15px;
                left: -10px;
                padding: 12px 16px;
            }
            
            .hero-stats-float i {
                font-size: 22px;
            }
            
            .hero-stats-float div strong {
                font-size: 18px;
            }
            
            .hero-stats-float div span {
                font-size: 11px;
            }
            
            .section {
                padding: 45px 0;
            }
            
            .section-header h2 {
                font-size: 26px;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            
            .usecases-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            
            .social-proof {
                padding: 30px 20px;
            }
            
            .proof-stat strong {
                font-size: 28px;
            }
            
            .cta-section {
                padding: 35px 22px;
            }
            
            .cta-section h2 {
                font-size: 24px;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 25px;
            }
            
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            
            .fab {
                left: 12px;
                bottom: 80px;
                width: 46px;
                height: 46px;
                font-size: 18px;
            }
            
            .sticky-cta-bar {
                padding: 10px 14px;
                gap: 8px;
            }
            
            .sticky-cta-text {
                font-size: 12px;
            }
            
            .btn-sticky-primary,
            .btn-sticky-secondary {
                padding: 8px 14px;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .navbar {
                padding: 10px 12px;
            }
            
            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }
            
            .logo-text strong {
                font-size: 13px;
            }
            
            .logo-text span {
                font-size: 9px;
            }
            
            .nav-menu {
                gap: 2px;
            }
            
            .nav-menu li a {
                padding: 5px 9px;
                font-size: 10px;
            }
            
            .btn-login {
                padding: 6px 10px;
                font-size: 10px;
            }
            
            .btn-signup {
                padding: 7px 12px;
                font-size: 10px;
            }
            
            .hero-content h1 {
                font-size: 24px;
            }
            
            .hero-content .hero-subtitle {
                font-size: 14px;
            }
            
            .hero-image-wrapper img {
                height: 200px;
            }
            
            .hero-actions {
                gap: 8px;
            }
            
            .btn-primary,
            .btn-secondary {
                padding: 11px 18px;
                font-size: 13px;
            }
            
            .section-header h2 {
                font-size: 22px;
            }
            
            .feature-card {
                padding: 20px 16px;
            }
            
            .feature-card h3 {
                font-size: 16px;
            }
            
            .step-item {
                padding: 20px 16px;
            }
            
            .step-item h3 {
                font-size: 15px;
            }
            
            .usecase-card {
                padding: 18px 14px;
                flex-direction: column;
                gap: 12px;
            }
            
            .usecase-icon {
                width: 44px;
                height: 44px;
                min-width: 44px;
                font-size: 20px;
            }
            
            .faq-question {
                padding: 16px 18px;
                font-size: 14px;
            }
            
            .faq-answer {
                font-size: 13px;
            }
            
            .cta-section h2 {
                font-size: 20px;
            }
            
            .cta-actions {
                flex-direction: column;
                gap: 10px;
            }
            
            .btn-cta-light,
            .btn-cta-outline {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 14px;
            }
            
            .sticky-cta-bar {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
            }
            
            .sticky-cta-actions {
                justify-content: center;
            }
        }

/* roulang page: article */
:root {
            --primary: #D32F2F;
            --primary-dark: #A02020;
            --accent: #FFD700;
            --accent-soft: #FFF3CD;
            --bg-dark: #0A2E1C;
            --bg-deep: #123E25;
            --bg-card: #1B4A30;
            --text-main: #FFFFFF;
            --text-soft: #D1F2EB;
            --text-muted: #A8C9BC;
            --border-gold: #FFD700;
            --border-soft: rgba(255, 215, 0, 0.35);
            --shadow-gold: 0 8px 24px rgba(255, 215, 0, 0.15);
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --font-body: 'Inter', 'Segoe UI', 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .section {
            padding: var(--spacing-xl) 0;
        }

        /* Navbar */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-soft);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: var(--spacing-md);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), #FFC107);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0A2E1C;
            font-size: 20px;
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.4);
            transition: transform var(--transition);
        }

        .logo:hover .logo-icon {
            transform: rotate(15deg) scale(1.05);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text strong {
            font-size: 16px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
        }

        .logo-text span {
            font-size: 11px;
            color: var(--accent);
            font-weight: 600;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }

        .nav-menu a {
            display: block;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-soft);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-menu a.active {
            color: #0A2E1C;
            background: linear-gradient(135deg, var(--accent), #FFC107);
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.35);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 9px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 700;
            color: var(--text-soft);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        .btn-signup {
            padding: 10px 24px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 700;
            color: #0A2E1C;
            background: linear-gradient(135deg, var(--accent), #FFC107);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.4);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.55);
        }

        .mobile-toggle {
            display: none;
            font-size: 24px;
            color: #fff;
            padding: 8px;
        }

        /* Article body */
        .article-wrapper {
            max-width: 820px;
            margin: 0 auto;
            padding: var(--spacing-xl) var(--spacing-md);
        }

        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }

        .article-breadcrumb a {
            color: var(--accent);
            font-weight: 600;
        }

        .article-breadcrumb a:hover {
            text-decoration: underline;
        }

        .article-header {
            margin-bottom: var(--spacing-lg);
        }

        .article-category-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
            border: 1px solid var(--border-soft);
        }

        .article-header h1 {
            font-size: clamp(2rem, 5vw, 3rem);
            line-height: 1.25;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: var(--spacing-sm);
            color: #fff;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            color: var(--text-muted);
            font-size: 14px;
        }

        .article-meta i {
            color: var(--accent);
        }

        .article-cover {
            margin: var(--spacing-lg) 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
        }

        .article-cover img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .article-content {
            font-size: 17px;
            line-height: 1.75;
            color: var(--text-soft);
        }

        .article-content h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin: var(--spacing-lg) 0 var(--spacing-sm);
            letter-spacing: -0.3px;
        }

        .article-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin: var(--spacing-md) 0 var(--spacing-sm);
        }

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

        .article-content ul,
        .article-content ol {
            margin: var(--spacing-sm) 0 var(--spacing-md);
            padding-left: 24px;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content strong {
            color: var(--accent);
            font-weight: 700;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            padding: var(--spacing-sm) var(--spacing-md);
            margin: var(--spacing-md) 0;
            background: rgba(255, 215, 0, 0.06);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: #fff;
        }

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

        .article-cta {
            margin-top: var(--spacing-xl);
            padding: var(--spacing-lg);
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(210, 47, 47, 0.1));
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            text-align: left;
        }

        .article-cta h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--spacing-xs);
        }

        .article-cta p {
            color: var(--text-soft);
            margin-bottom: var(--spacing-md);
        }

        .article-cta .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            color: #0A2E1C;
            background: linear-gradient(135deg, var(--accent), #FFC107);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.4);
        }

        .article-cta .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.55);
        }

        .not-found {
            text-align: center;
            padding: var(--spacing-xl) 0;
        }

        .not-found i {
            font-size: 64px;
            color: var(--accent);
            margin-bottom: var(--spacing-md);
        }

        .not-found h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
        }

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

        /* Footer */
        .site-footer {
            background: #051A10;
            border-top: 1px solid var(--border-soft);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: var(--spacing-sm);
        }

        .footer-logo .logo-icon {
            width: 40px;
            height: 40px;
            font-size: 18px;
        }

        .footer-logo .logo-text strong {
            font-size: 15px;
        }

        .footer-logo .logo-text span {
            font-size: 10px;
        }

        .footer-description {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
            max-width: 360px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-soft);
            transition: all var(--transition);
        }

        .footer-social a:hover {
            background: var(--accent);
            color: #0A2E1C;
            border-color: var(--accent);
            transform: translateY(-3px);
        }

        .footer-column h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.3px;
        }

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

        .footer-column li {
            margin-bottom: 8px;
        }

        .footer-column a {
            color: var(--text-muted);
            font-size: 14px;
            transition: all var(--transition);
        }

        .footer-column a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            padding-top: var(--spacing-md);
            text-align: center;
            color: var(--text-muted);
            font-size: 13px;
        }

        .footer-bottom a {
            color: var(--accent);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0A2E1C, #123E25);
            border: 2px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 24px;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            transition: all var(--transition);
            animation: fab-float 3s ease-in-out infinite;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }

        .fab:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 2px solid #fff;
            animation: fab-blink 1.5s ease-in-out infinite;
        }

        @keyframes fab-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                height: 68px;
            }

            .nav-menu {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(18px);
                padding: var(--spacing-md);
                gap: 4px;
                border-bottom: 1px solid var(--border-soft);
                transform: translateY(-110%);
                transition: transform var(--transition);
                z-index: 99;
            }

            .nav-menu.open {
                transform: translateY(0);
            }

            .nav-menu a {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: var(--radius-sm);
            }

            .mobile-toggle {
                display: block;
            }

            .btn-login {
                padding: 7px 14px;
                font-size: 13px;
            }

            .btn-signup {
                padding: 8px 16px;
                font-size: 13px;
            }

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

            .section {
                padding: var(--spacing-lg) 0;
            }

            .fab {
                width: 48px;
                height: 48px;
                font-size: 20px;
                bottom: 80px;
                left: 12px;
            }
        }

        @media (max-width: 520px) {
            .logo-text strong {
                font-size: 13px;
            }

            .logo-text span {
                font-size: 9px;
            }

            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }

            .nav-cta {
                gap: 6px;
            }

            .btn-login {
                padding: 6px 10px;
                font-size: 12px;
            }

            .btn-signup {
                padding: 7px 12px;
                font-size: 12px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .article-header h1 {
                font-size: 1.6rem;
            }

            .article-content {
                font-size: 15px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #FF4500;
            --primary-dark: #E03E00;
            --secondary: #FFD700;
            --dark: #0B0B0B;
            --charcoal: #161616;
            --charcoal-light: #1E1E1E;
            --warm-gray: #CCCCCC;
            --text-white: #FFFFFF;
            --text-muted: #A0A0A0;
            --border-dark: #2A2A2A;
            --border-light: #333333;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
            --shadow-orange: 0 0 15px rgba(255,69,0,0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            background-color: var(--dark);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(11, 11, 11, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-dark);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0,0,0,0.5);
            background: rgba(11, 11, 11, 0.98);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), #FF8C00);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 18px;
            box-shadow: 0 0 20px rgba(255,69,0,0.4);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text strong {
            font-size: 16px;
            font-weight: 700;
            color: white;
            letter-spacing: -0.3px;
        }

        .logo-text span {
            font-size: 11px;
            color: var(--secondary);
            font-weight: 500;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }

        .nav-menu a {
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            color: var(--warm-gray);
            white-space: nowrap;
            position: relative;
            transition: var(--transition);
        }

        .nav-menu a:hover {
            color: white;
            background: rgba(255,255,255,0.05);
        }

        .nav-menu a.active {
            color: white;
            background: rgba(255,69,0,0.15);
            border: 1px solid rgba(255,69,0,0.3);
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            color: var(--warm-gray);
            background: transparent;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            color: white;
            border-color: #555;
            background: rgba(255,255,255,0.05);
        }

        .btn-signup {
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            color: white;
            background: linear-gradient(135deg, var(--primary), #FF8C00);
            box-shadow: 0 2px 12px rgba(255,69,0,0.4);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 20px rgba(255,69,0,0.6);
            background: linear-gradient(135deg, #FF5500, #FF9F00);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 24px;
            padding: 8px;
            cursor: pointer;
        }

        /* Hero Section */
        .hero-section {
            padding: 140px 0 80px;
            position: relative;
            overflow: hidden;
            min-height: 600px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(11,11,11,0.92) 0%, rgba(22,22,22,0.85) 50%, rgba(11,11,11,0.95) 100%);
            z-index: 1;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 50px;
            background: rgba(255,69,0,0.15);
            border: 1px solid rgba(255,69,0,0.3);
            color: #FF8C5A;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .hero-badge i {
            font-size: 14px;
        }

        .hero-content h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 20px;
            color: white;
        }

        .hero-content h1 .highlight {
            background: linear-gradient(135deg, var(--secondary), #FFA500);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-description {
            font-size: 18px;
            color: var(--warm-gray);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 600px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .btn-primary {
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 700;
            color: white;
            background: linear-gradient(135deg, var(--primary), #FF8C00);
            box-shadow: 0 4px 20px rgba(255,69,0,0.5);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(255,69,0,0.7);
            background: linear-gradient(135deg, #FF5500, #FF9F00);
        }

        .btn-secondary {
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 700;
            color: white;
            background: rgba(255,255,255,0.05);
            border: 2px solid var(--border-light);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            background: rgba(255,215,0,0.05);
            transform: translateY(-3px);
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Main Section Styles */
        .main-content {
            padding: 80px 0;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header.left {
            text-align: left;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(255,69,0,0.1);
            border: 1px solid rgba(255,69,0,0.25);
            color: #FF8C5A;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: white;
        }

        .section-description {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 700px;
        }

        /* Feature Cards */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .feature-card {
            padding: 32px;
            border-radius: var(--radius-lg);
            background: var(--charcoal);
            border: 1px solid var(--border-dark);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            border-color: rgba(255,69,0,0.3);
            box-shadow: var(--shadow-lg);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(255,69,0,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: white;
        }

        .feature-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Process Section */
        .process-section {
            padding: 80px 0;
            background: var(--charcoal);
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 32px;
            margin-top: 40px;
        }

        .process-step {
            position: relative;
            padding-left: 20px;
        }

        .process-step-number {
            font-size: 48px;
            font-weight: 800;
            color: rgba(255,69,0,0.15);
            line-height: 1;
            margin-bottom: 12px;
        }

        .process-step h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: white;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Scenario / Showcase */
        .showcase-section {
            padding: 80px 0;
        }

        .showcase-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .showcase-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-dark);
            position: relative;
        }

        .showcase-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            transition: var(--transition);
        }

        .showcase-image:hover img {
            transform: scale(1.05);
        }

        .showcase-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50%;
            background: linear-gradient(to top, rgba(11,11,11,0.8), transparent);
            pointer-events: none;
        }

        .showcase-content h3 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 16px;
            color: white;
            line-height: 1.3;
        }

        .showcase-content p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .showcase-list {
            list-style: none;
            padding: 0;
        }

        .showcase-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 15px;
            color: var(--warm-gray);
        }

        .showcase-list li i {
            color: var(--secondary);
            font-size: 16px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* Testimonial / Social Proof */
        .testimonial-section {
            padding: 80px 0;
            background: var(--charcoal);
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .testimonial-card {
            padding: 28px;
            border-radius: var(--radius-lg);
            background: var(--dark);
            border: 1px solid var(--border-dark);
            transition: var(--transition);
        }

        .testimonial-card:hover {
            border-color: rgba(255,69,0,0.3);
            box-shadow: var(--shadow-md);
        }

        .testimonial-stars {
            color: var(--secondary);
            font-size: 14px;
            margin-bottom: 16px;
            letter-spacing: 2px;
        }

        .testimonial-text {
            font-size: 15px;
            color: var(--warm-gray);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), #FF8C00);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
            font-size: 16px;
        }

        .testimonial-name {
            font-size: 14px;
            font-weight: 700;
            color: white;
        }

        .testimonial-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-section {
            padding: 80px 0;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-dark);
            padding: 20px 0;
            cursor: pointer;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-bottom-color: rgba(255,69,0,0.4);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 17px;
            font-weight: 600;
            color: white;
            gap: 16px;
        }

        .faq-question i {
            color: var(--primary);
            font-size: 14px;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding-top: 12px;
        }

        /* CTA Section */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(255,69,0,0.1), rgba(255,215,0,0.05));
            border-top: 1px solid rgba(255,69,0,0.2);
            border-bottom: 1px solid rgba(255,69,0,0.2);
        }

        .cta-box {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-box h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
            color: white;
            line-height: 1.3;
        }

        .cta-box p {
            font-size: 17px;
            color: var(--warm-gray);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        /* Floating Action Button */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(11, 11, 11, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(11,11,11,0.7), rgba(11,11,11,0.7)), linear-gradient(135deg, #00F0FF, #FF007F);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 22px;
            cursor: pointer;
            box-shadow: 0 0 15px rgba(255,0,127,0.5);
            transition: var(--transition);
            opacity: 0.6;
            animation: fabBreath 3s ease-in-out infinite;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0,240,255,0.7);
            animation-play-state: paused;
        }

        .fab:active {
            transform: scale(0.95);
            border-color: #FF007F;
        }

        .fab .notification-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #FF007F;
            border: 2px solid var(--dark);
            animation: blink 2s ease-in-out infinite;
        }

        @keyframes fabBreath {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Bottom Fixed CTA Bar */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(11, 11, 11, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid rgba(255,69,0,0.3);
            padding: 12px 24px;
            display: none;
            align-items: center;
            justify-content: center;
            gap: 16px;
        }

        .bottom-cta-bar.visible {
            display: flex;
        }

        .bottom-cta-bar .btn-primary {
            padding: 10px 24px;
            font-size: 14px;
        }

        /* Footer */
        .site-footer {
            background: var(--dark);
            border-top: 1px solid var(--border-dark);
            padding: 60px 0 40px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-description {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 400px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--charcoal);
            border: 1px solid var(--border-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--warm-gray);
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: rgba(255,69,0,0.15);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .footer-column h4 {
            font-size: 15px;
            font-weight: 700;
            color: white;
            margin-bottom: 16px;
        }

        .footer-column ul {
            list-style: none;
            padding: 0;
        }

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

        .footer-column ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .footer-column ul li a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content h1 {
                font-size: 40px;
            }
            
            .showcase-grid {
                gap: 32px;
            }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-wrapper {
                height: 64px;
            }
            
            .nav-menu {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(11, 11, 11, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border-dark);
                transform: translateY(-150%);
                transition: var(--transition);
                z-index: 99;
            }
            
            .nav-menu.open {
                transform: translateY(0);
            }
            
            .nav-menu a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                font-size: 16px;
            }
            
            .nav-toggle {
                display: block;
            }
            
            .nav-auth {
                display: flex;
            }
            
            .btn-login {
                padding: 6px 12px;
                font-size: 12px;
            }
            
            .btn-signup {
                padding: 6px 16px;
                font-size: 12px;
            }
            
            .hero-section {
                padding: 120px 0 60px;
                min-height: auto;
            }
            
            .hero-content h1 {
                font-size: 32px;
            }
            
            .hero-description {
                font-size: 16px;
            }
            
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            
            .hero-stats {
                gap: 24px;
            }
            
            .hero-stat-number {
                font-size: 24px;
            }
            
            .section-title {
                font-size: 28px;
            }
            
            .showcase-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            
            .showcase-image img {
                height: 280px;
            }
            
            .process-steps {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            
            .fab {
                width: 48px;
                height: 48px;
                font-size: 18px;
                left: 12px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            
            .logo-text strong {
                font-size: 13px;
            }
            
            .logo-text span {
                font-size: 10px;
            }
            
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            
            .hero-content h1 {
                font-size: 26px;
            }
            
            .hero-description {
                font-size: 14px;
            }
            
            .hero-badge {
                font-size: 11px;
                padding: 6px 12px;
            }
            
            .btn-primary, .btn-secondary {
                padding: 12px 20px;
                font-size: 14px;
            }
            
            .section-title {
                font-size: 24px;
            }
            
            .feature-card {
                padding: 24px;
            }
            
            .testimonial-card {
                padding: 20px;
            }
            
            .cta-box h2 {
                font-size: 26px;
            }
            
            .bottom-cta-bar {
                padding: 10px 16px;
                gap: 8px;
            }
            
            .bottom-cta-bar .btn-primary {
                padding: 8px 16px;
                font-size: 12px;
            }
        }

/* roulang page: category3 */
@import url('/assets/css/vendor/9723b7396f-css2.css');
        
        :root {
            --primary: #FFD700;
            --secondary: #D32F2F;
            --dark: #0A2E1C;
            --forest: #123E25;
            --mint: #D1F2EB;
            --golddark: #B8860B;
            --white: #FFFFFF;
            --gray: #A6ACAF;
            --border: rgba(255, 215, 0, 0.25);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.15);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.25);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.35);
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 32px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            background: var(--dark);
            color: var(--white);
            line-height: 1.65;
            overflow-x: hidden;
        }

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0,0,0,0.4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 46px;
            height: 46px;
            background: linear-gradient(135deg, #FFD700, #B8860B);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark);
            font-size: 22px;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
            transition: var(--transition);
        }

        .logo:hover .logo-icon {
            transform: rotate(15deg) scale(1.05);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.55);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text strong {
            font-size: 18px;
            font-weight: 800;
            color: var(--white);
            letter-spacing: -0.3px;
        }

        .logo-text span {
            font-size: 12px;
            font-weight: 500;
            color: var(--mint);
            letter-spacing: 0.3px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            flex: 1;
            justify-content: center;
        }

        .nav-menu li a {
            display: inline-block;
            padding: 10px 18px;
            font-size: 15px;
            font-weight: 600;
            color: var(--mint);
            border-radius: 100px;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-menu li a:hover {
            color: var(--white);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-menu li a.active {
            color: var(--primary);
            background: rgba(255, 215, 0, 0.12);
        }

        .nav-menu li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            color: var(--white);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 100px;
            transition: var(--transition);
        }

        .btn-login:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 215, 0, 0.05);
        }

        .btn-signup {
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
            background: linear-gradient(135deg, #FFD700, #FFA500);
            border-radius: 100px;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.4);
            transition: var(--transition);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.55);
        }

        .mobile-toggle {
            display: none;
            width: 46px;
            height: 46px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: 12px;
            color: var(--primary);
            font-size: 20px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(255, 215, 0, 0.2);
        }

        /* Mobile Menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 76px;
            left: 0;
            right: 0;
            background: rgba(10, 46, 28, 0.98);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            padding: 20px 24px 32px;
            z-index: 99;
            transform: translateY(-100%);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .mobile-menu.open {
            transform: translateY(0);
        }

        .mobile-menu ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-menu ul li a {
            display: block;
            padding: 14px 18px;
            font-size: 16px;
            font-weight: 600;
            color: var(--mint);
            border-radius: 12px;
            transition: var(--transition);
        }

        .mobile-menu ul li a:hover,
        .mobile-menu ul li a.active {
            color: var(--primary);
            background: rgba(255, 215, 0, 0.08);
        }

        .mobile-menu-actions {
            display: flex;
            gap: 12px;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .mobile-menu-actions .btn-login,
        .mobile-menu-actions .btn-signup {
            flex: 1;
            text-align: center;
        }

        /* Hero Section */
        .hero {
            position: relative;
            padding: 160px 0 80px;
            background: linear-gradient(180deg, #0A2E1C 0%, #123E25 50%, #0A2E1C 100%);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at center, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            z-index: 0;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 24px;
        }

        .hero-badge i {
            font-size: 14px;
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 20px;
            max-width: 800px;
            background: linear-gradient(135deg, #FFFFFF 0%, #D1F2EB 50%, #FFD700 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 18px;
            font-weight: 400;
            color: var(--mint);
            max-width: 650px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 48px;
        }

        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 32px;
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            background: linear-gradient(135deg, #FFD700, #FFA500);
            border-radius: 100px;
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.45);
            transition: var(--transition);
        }

        .btn-primary-hero:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(255, 215, 0, 0.6);
        }

        .btn-secondary-hero {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--white);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 100px;
            transition: var(--transition);
        }

        .btn-secondary-hero:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.4);
            transform: translateY(-3px);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
        }

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

        .hero-stat strong {
            font-size: 28px;
            font-weight: 900;
            color: var(--primary);
        }

        .hero-stat span {
            font-size: 13px;
            font-weight: 500;
            color: var(--mint);
        }

        /* Section Common */
        .section {
            padding: 80px 0;
            position: relative;
        }

        .section-alt {
            background: var(--forest);
        }

        .section-header {
            margin-bottom: 48px;
            max-width: 700px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--secondary);
            background: rgba(211, 47, 47, 0.1);
            border: 1px solid rgba(211, 47, 47, 0.25);
            border-radius: 100px;
            margin-bottom: 16px;
        }

        .section-header h2 {
            font-size: 36px;
            font-weight: 900;
            letter-spacing: -0.5px;
            line-height: 1.2;
            color: var(--white);
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--mint);
            line-height: 1.7;
        }

        /* Category Hero Card */
        .category-hero-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-top: 48px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-lg);
            padding: 48px;
            position: relative;
            overflow: hidden;
        }

        .category-hero-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero-content h3 {
            font-size: 28px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .category-hero-content p {
            font-size: 16px;
            color: var(--mint);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .category-hero-image {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .category-hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        /* Feature Cards */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 16px;
        }

        .feature-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(255, 215, 0, 0.35);
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.15), rgba(255, 215, 0, 0.05));
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.25), rgba(255, 215, 0, 0.1));
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
        }

        .feature-card p {
            font-size: 15px;
            color: var(--mint);
            line-height: 1.65;
        }

        /* Scenario Section */
        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .scenario-visual {
            position: sticky;
            top: 100px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .scenario-visual img {
            width: 100%;
            height: 500px;
            object-fit: cover;
            transition: var(--transition);
        }

        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .scenario-item {
            display: flex;
            gap: 20px;
            padding: 24px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .scenario-item:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 215, 0, 0.25);
            transform: translateX(4px);
        }

        .scenario-number {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            background: linear-gradient(135deg, #FFD700, #FFA500);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            color: var(--dark);
        }

        .scenario-content h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 8px;
        }

        .scenario-content p {
            font-size: 14px;
            color: var(--mint);
            line-height: 1.6;
        }

        /* Steps Process */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .step-item {
            position: relative;
            padding: 28px 24px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .step-item:hover {
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #FFD700, #B8860B);
            border-radius: 50%;
            font-size: 16px;
            font-weight: 900;
            color: var(--dark);
            margin-bottom: 16px;
        }

        .step-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--mint);
            line-height: 1.6;
        }

        /* Social Proof */
        .proof-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .proof-card {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .proof-card:hover {
            border-color: rgba(255, 215, 0, 0.25);
            background: rgba(255, 255, 255, 0.05);
        }

        .proof-number {
            font-size: 40px;
            font-weight: 900;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1;
        }

        .proof-label {
            font-size: 14px;
            font-weight: 500;
            color: var(--mint);
        }

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

        .testimonial-card {
            padding: 28px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }

        .testimonial-stars {
            display: flex;
            gap: 4px;
            color: var(--primary);
            margin-bottom: 16px;
            font-size: 16px;
        }

        .testimonial-text {
            font-size: 15px;
            color: var(--mint);
            line-height: 1.7;
            margin-bottom: 20px;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700, #B8860B);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--dark);
            font-size: 16px;
        }

        .testimonial-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--white);
        }

        .testimonial-role {
            font-size: 12px;
            color: var(--gray);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.25);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            background: transparent;
            color: var(--white);
            font-size: 16px;
            font-weight: 600;
            text-align: left;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question i {
            font-size: 16px;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--mint);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 50%, #0A2E1C 100%);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 900;
            color: var(--white);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 16px;
            color: var(--mint);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: #071F13;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            padding: 64px 0 32px;
            margin-top: 80px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .footer-logo .logo-icon {
            width: 42px;
            height: 42px;
            font-size: 20px;
        }

        .footer-logo .logo-text strong {
            font-size: 16px;
        }

        .footer-logo .logo-text span {
            font-size: 11px;
        }

        .footer-description {
            font-size: 14px;
            color: var(--mint);
            line-height: 1.7;
            max-width: 350px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: var(--mint);
            font-size: 16px;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: rgba(255, 215, 0, 0.12);
            border-color: rgba(255, 215, 0, 0.3);
            color: var(--primary);
            transform: translateY(-3px);
        }

        .footer-column h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .footer-column ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-column ul li a {
            font-size: 14px;
            color: var(--mint);
            transition: var(--transition);
        }

        .footer-column ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--gray);
        }

        .footer-bottom a {
            color: var(--primary);
            font-weight: 600;
        }

        /* Bottom Fixed CTA Bar */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(16px);
            border-top: 1px solid rgba(255, 215, 0, 0.25);
            padding: 12px 24px;
            display: none;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transform: translateY(100%);
            transition: transform 0.4s ease;
        }

        .bottom-cta-bar.visible {
            transform: translateY(0);
        }

        .bottom-cta-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--mint);
        }

        .bottom-cta-text strong {
            color: var(--primary);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 80;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, #FFD700, #B8860B);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--dark);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
            animation: fabFloat 3s ease-in-out infinite;
            transition: var(--transition);
            opacity: 0.7;
            border: 2px solid rgba(255, 215, 0, 0.5);
        }

        .fab:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.6);
            animation-play-state: paused;
        }

        .fab:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: #FF0000;
            border-radius: 50%;
            border: 2px solid var(--dark);
            animation: blink 1.5s ease-in-out infinite;
        }

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

        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-menu {
                gap: 4px;
            }
            .nav-menu li a {
                padding: 8px 14px;
                font-size: 14px;
            }
            .hero h1 {
                font-size: 40px;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .proof-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-hero-card {
                grid-template-columns: 1fr;
                padding: 32px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .scenario-visual {
                position: static;
            }
            .scenario-visual img {
                height: 350px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }
            .nav-menu {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .mobile-menu {
                display: block;
                top: 64px;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                display: none;
            }
            .hero {
                padding: 120px 0 60px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat strong {
                font-size: 24px;
            }
            .section {
                padding: 60px 0;
            }
            .section-header h2 {
                font-size: 28px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .proof-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .category-hero-card {
                padding: 24px;
                gap: 24px;
            }
            .category-hero-content h3 {
                font-size: 22px;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .bottom-cta-bar {
                display: flex;
            }
            .fab {
                bottom: 160px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero h1 {
                font-size: 26px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .btn-primary-hero,
            .btn-secondary-hero {
                width: 100%;
                justify-content: center;
            }
            .proof-grid {
                grid-template-columns: 1fr;
            }
            .proof-number {
                font-size: 32px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .feature-card {
                padding: 24px 20px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-answer-inner {
                padding: 0 18px 16px;
                font-size: 14px;
            }
            .cta-buttons {
                flex-direction: column;
            }
            .cta-buttons .btn-primary-hero,
            .cta-buttons .btn-secondary-hero {
                width: 100%;
                justify-content: center;
            }
            .bottom-cta-text {
                font-size: 12px;
            }
        }