/* roulang page: index */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-elevated: #242426;
            --accent-gold: #C5A059;
            --accent-gold-bright: #FFBF00;
            --accent-muted: #D4AC0D;
            --text-primary: #F5F5F7;
            --text-secondary: #B8B8BC;
            --text-muted: #8E8E93;
            --border-color: #333336;
            --border-gold: #C5A059;
            --border-radius-sm: 6px;
            --border-radius-md: 10px;
            --border-radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
            --shadow-gold: 0 4px 20px rgba(197,160,89,0.15);
            --font-body: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            --font-display: 'Playfair Display', 'Georgia', 'Times New Roman', serif;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --transition-fast: 0.15s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 600;
            line-height: 1.3;
            color: var(--text-primary);
        }

        h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: clamp(1.15rem, 2vw, 1.5rem);
            font-weight: 600;
        }

        p {
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        a {
            color: var(--accent-gold-bright);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

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

        button, .btn {
            font-family: var(--font-body);
            transition: all var(--transition-base);
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Navbar */
        .navbar-custom {
            background-color: rgba(18, 18, 18, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            padding: 12px 0;
            transition: all var(--transition-base);
            z-index: 1030;
        }

        .navbar-custom.scrolled {
            box-shadow: var(--shadow-md);
            background-color: rgba(18, 18, 18, 0.98);
        }

        .navbar-brand {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold-bright) !important;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .navbar-brand:hover {
            color: var(--accent-gold) !important;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            transition: color var(--transition-fast);
            position: relative;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--accent-gold-bright) !important;
        }

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

        .btn-login {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold-bright);
            background: transparent;
        }

        .btn-signup {
            background: var(--accent-gold-bright);
            border: 1px solid var(--accent-gold-bright);
            color: #121212;
            padding: 8px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .btn-signup:hover {
            background: var(--accent-gold);
            border-color: var(--accent-gold);
            color: #121212;
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(197,160,89,0.3);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23C5A059' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Hero */
        .hero-section {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, #121212 0%, #1C1C1E 50%, #121212 100%);
            overflow: hidden;
            min-height: 600px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.15;
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, rgba(18,18,18,0.9) 0%, rgba(18,18,18,0.7) 40%, rgba(18,18,18,0.4) 100%);
            z-index: 2;
        }

        .hero-content {
            position: relative;
            z-index: 3;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(197,160,89,0.15);
            border: 1px solid rgba(197,160,89,0.4);
            color: var(--accent-gold-bright);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }

        .hero-title {
            font-family: var(--font-display);
            font-size: clamp(2.4rem, 5vw, 3.8rem);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .hero-title .gold-text {
            color: var(--accent-gold-bright);
        }

        .hero-description {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 600px;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .btn-primary-custom {
            background: var(--accent-gold-bright);
            border: 1px solid var(--accent-gold-bright);
            color: #121212;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-base);
        }

        .btn-primary-custom:hover {
            background: var(--accent-gold);
            border-color: var(--accent-gold);
            color: #121212;
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        .btn-outline-custom {
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold-bright);
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 1rem;
            transition: all var(--transition-base);
        }

        .btn-outline-custom:hover {
            background: rgba(197,160,89,0.1);
            border-color: var(--accent-gold-bright);
            color: var(--accent-gold-bright);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 16px;
        }

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

        .hero-stat-number {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-gold-bright);
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .hero-trust {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .hero-trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .hero-trust-item i {
            color: var(--accent-gold-bright);
            font-size: 1rem;
        }

        /* Section Common */
        .section-padding {
            padding: 64px 0;
        }

        .section-padding-sm {
            padding: 48px 0;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: clamp(1.8rem, 3.5vw, 2.5rem);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.7;
        }

        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--accent-gold-bright);
            border-radius: 3px;
            margin-bottom: 20px;
        }

        /* Entry Matrix */
        .entry-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-md);
            padding: 28px;
            height: 100%;
            transition: all var(--transition-base);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

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

        .entry-card-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(197,160,89,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.5rem;
            color: var(--accent-gold-bright);
        }

        .entry-card-title {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .entry-card-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Milestone / Timeline */
        .milestone-item {
            display: flex;
            gap: 20px;
            margin-bottom: 28px;
            align-items: flex-start;
        }

        .milestone-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent-gold-bright);
            flex-shrink: 0;
            margin-top: 6px;
            position: relative;
        }

        .milestone-dot::after {
            content: '';
            position: absolute;
            top: 12px;
            left: 5px;
            width: 2px;
            height: 50px;
            background: var(--border-color);
        }

        .milestone-item:last-child .milestone-dot::after {
            display: none;
        }

        .milestone-content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .milestone-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* News List */
        .news-item {
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
            transition: all var(--transition-fast);
        }

        .news-item:first-child {
            padding-top: 0;
        }

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

        .news-item a {
            color: var(--text-primary);
            font-weight: 500;
            font-size: 1.05rem;
            transition: color var(--transition-fast);
            display: block;
            margin-bottom: 6px;
        }

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

        .news-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .news-meta i {
            font-size: 0.7rem;
            margin-right: 4px;
        }

        .news-sidebar {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-md);
            padding: 24px;
        }

        .news-sidebar-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--accent-gold-bright);
            margin-bottom: 16px;
        }

        .news-sidebar-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
        }

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

        .news-sidebar-rank {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-gold-bright);
            min-width: 36px;
        }

        .news-sidebar-item a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

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

        /* Platform Security */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .security-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-md);
            padding: 28px;
            height: 100%;
            transition: all var(--transition-base);
        }

        .security-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
        }

        .security-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(197,160,89,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.3rem;
            color: var(--accent-gold-bright);
        }

        .security-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .security-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* App Download */
        .app-section {
            background: linear-gradient(135deg, #1C1C1E 0%, #242426 100%);
            border-radius: var(--border-radius-lg);
            padding: 48px;
            position: relative;
            overflow: hidden;
        }

        .app-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(197,160,89,0.2) 0%, transparent 70%);
        }

        .app-badge {
            display: inline-block;
            background: rgba(197,160,89,0.15);
            border: 1px solid rgba(197,160,89,0.4);
            color: var(--accent-gold-bright);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            margin-bottom: 16px;
        }

        .app-title {
            font-family: var(--font-display);
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .app-description {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .app-store-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .app-store-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #121212;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 10px 20px;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .app-store-btn:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold-bright);
            transform: translateY(-2px);
        }

        .app-store-btn i {
            font-size: 1.5rem;
            color: var(--accent-gold-bright);
        }

        .app-store-btn span {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: block;
            line-height: 1.2;
        }

        .app-store-btn strong {
            font-size: 1rem;
            color: var(--text-primary);
            display: block;
        }

        /* Review Bubble */
        .review-bubble {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-md);
            padding: 24px;
            margin-bottom: 20px;
            transition: all var(--transition-base);
        }

        .review-bubble:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
        }

        .review-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }

        .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(197,160,89,0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold-bright);
            font-weight: 600;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .review-name {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
        }

        .review-stars {
            color: var(--accent-gold-bright);
            font-size: 0.8rem;
            margin-left: auto;
        }

        .review-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-md);
            margin-bottom: 16px;
            overflow: hidden;
        }

        .faq-question {
            padding: 18px 24px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

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

        .faq-question i {
            transition: transform var(--transition-base);
            color: var(--accent-gold-bright);
        }

        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            display: none;
        }

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

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

        /* Footer */
        .footer-section {
            background: #0A0A0A;
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
        }

        .footer-brand {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold-bright);
            margin-bottom: 12px;
        }

        .footer-text {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.6;
        }

        .footer-heading {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .footer-links a {
            color: var(--text-muted);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

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

        .footer-copyright {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            margin-top: 32px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        /* FAB */
        .fab-custom {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(18, 18, 18, 0.85);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 2px solid var(--accent-gold-bright);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold-bright);
            font-size: 1.4rem;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 4px 20px rgba(197,160,89,0.25);
            animation: fabBreathing 3s ease-in-out infinite;
        }

        .fab-custom:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(197,160,89,0.4);
            animation: none;
        }

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

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: #FF3B30;
            border-radius: 50%;
            border: 2px solid #121212;
            animation: blink 1.5s ease-in-out infinite;
        }

        @keyframes fabBreathing {
            0%, 100% {
                transform: scale(1);
                opacity: 0.7;
            }
            50% {
                transform: scale(1.05);
                opacity: 1;
            }
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .hero-section {
                min-height: 500px;
                padding: 60px 0 40px;
            }

            .app-section {
                padding: 32px;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
                padding: 48px 0 32px;
            }

            .hero-title {
                font-size: 2rem;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stat-number {
                font-size: 1.5rem;
            }

            .section-padding {
                padding: 40px 0;
            }

            .section-padding-sm {
                padding: 32px 0;
            }

            .app-section {
                padding: 24px;
                border-radius: var(--border-radius-md);
            }

            .navbar-brand {
                font-size: 1.1rem;
            }

            .navbar-nav .nav-link {
                padding: 10px 16px !important;
            }

            .navbar-nav .nav-link.active::after {
                display: none;
            }

            .navbar-nav .nav-link.active {
                background: rgba(197,160,89,0.1);
                border-radius: 6px;
            }

            .btn-login, .btn-signup {
                display: inline-block;
                margin: 4px 0;
                width: auto;
            }

            .navbar-collapse {
                padding: 16px 0;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }

            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }

            .hero-buttons .btn {
                width: 100%;
            }

            .hero-stats {
                gap: 16px;
            }

            .hero-stat-number {
                font-size: 1.3rem;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .app-store-buttons {
                flex-direction: column;
            }

            .app-store-btn {
                width: 100%;
            }

            .fab-custom {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 12px;
                bottom: 80px;
            }
        }

/* roulang page: article */
:root {
            --primary: #0A2E1C;
            --primary-deep: #062015;
            --forest: #123E25;
            --gold: #FFD700;
            --gold-soft: #F0E68C;
            --red-lucky: #D32F2F;
            --mint: #D1F2EB;
            --white: #FFFFFF;
            --pale-mint: #F0FDF8;
            --charcoal: #1C1C1E;
            --silver: #A6ACAF;
            --border-light: rgba(255, 215, 0, 0.25);
            --border-gold: #FFD700;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.15);
            --shadow-hover: 0 20px 45px rgba(0, 0, 0, 0.3);
            --radius-sm: 12px;
            --radius-md: 18px;
            --radius-lg: 28px;
            --radius-xl: 40px;
            --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            --line-height-body: 1.65;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a:hover {
            color: var(--gold);
        }

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

        button,
        .btn {
            cursor: pointer;
            transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), border-color var(--transition), color var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
        }

        .container {
            max-width: 1180px;
        }

        /* NAVBAR */
        .navbar-custom {
            background: rgba(6, 32, 21, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            padding: 0.85rem 0;
            z-index: 1040;
        }

        .navbar-custom .navbar-brand {
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--gold);
            white-space: nowrap;
            text-shadow: 0 0 18px rgba(255, 215, 0, 0.3);
        }

        .navbar-custom .navbar-brand:hover {
            color: var(--gold-soft);
        }

        .navbar-custom .nav-link {
            color: var(--mint);
            font-weight: 500;
            font-size: 1rem;
            padding: 0.5rem 1.1rem !important;
            border-radius: 30px;
            transition: all var(--transition);
        }

        .navbar-custom .nav-link:hover {
            color: var(--gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .navbar-custom .nav-link.active {
            color: var(--gold);
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--border-light);
        }

        .navbar-toggler {
            border: 1px solid var(--border-light);
            padding: 0.4rem 0.7rem;
            background: rgba(255, 255, 255, 0.05);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 215, 0, 0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .btn-login,
        .btn-signup {
            border: none;
            border-radius: 30px;
            padding: 0.55rem 1.3rem;
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .btn-login {
            background: transparent;
            color: var(--mint);
            border: 1px solid rgba(209, 242, 235, 0.3);
        }

        .btn-login:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--white);
            border-color: var(--mint);
        }

        .btn-signup {
            background: var(--gold);
            color: var(--primary-deep);
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.35);
        }

        .btn-signup:hover {
            background: #FFE033;
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(255, 215, 0, 0.45);
            color: var(--primary-deep);
        }

        /* ARTICLE HERO */
        .article-hero {
            padding: 8.5rem 0 4rem;
            background: radial-gradient(ellipse at 20% 10%, rgba(255, 215, 0, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 85% 85%, rgba(18, 62, 37, 0.5) 0%, transparent 70%),
                var(--primary-deep);
            border-bottom: 1px solid var(--border-light);
        }

        .article-hero .breadcrumb {
            background: transparent;
            margin: 0;
            padding: 0;
            font-size: 0.9rem;
        }

        .article-hero .breadcrumb a {
            color: var(--gold-soft);
            font-weight: 500;
        }

        .article-hero .breadcrumb a:hover {
            color: var(--gold);
        }

        .article-hero .breadcrumb .breadcrumb-item.active {
            color: var(--mint);
            opacity: 0.7;
        }

        .article-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--white);
            margin: 1.5rem 0 1rem;
            max-width: 850px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            color: var(--silver);
            font-size: 0.95rem;
            align-items: center;
        }

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

        .article-meta i {
            color: var(--gold);
            font-size: 0.9rem;
        }

        .article-category-badge {
            display: inline-block;
            background: rgba(255, 215, 0, 0.12);
            color: var(--gold);
            border: 1px solid var(--border-light);
            border-radius: 30px;
            padding: 0.4rem 1.2rem;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
        }

        /* ARTICLE CONTENT */
        .article-content-wrap {
            padding: 3.5rem 0 4rem;
            background: var(--primary-deep);
        }

        .article-content-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: var(--radius-lg);
            padding: 3rem;
            box-shadow: var(--shadow-card);
        }

        .article-content-card h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--gold);
            margin: 2rem 0 1rem;
            letter-spacing: -0.01em;
        }

        .article-content-card h3 {
            font-size: 1.35rem;
            font-weight: 650;
            color: var(--gold-soft);
            margin: 1.8rem 0 0.8rem;
        }

        .article-content-card p {
            color: var(--mint);
            font-size: 1.05rem;
            margin-bottom: 1.2rem;
            text-align: left;
        }

        .article-content-card ul,
        .article-content-card ol {
            margin-left: 1.5rem;
            margin-bottom: 1.5rem;
            color: var(--mint);
            font-size: 1.02rem;
        }

        .article-content-card li {
            margin-bottom: 0.5rem;
        }

        .article-content-card img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-card);
        }

        .article-content-card blockquote {
            border-left: 4px solid var(--gold);
            padding: 1rem 1.5rem;
            margin: 2rem 0;
            background: rgba(255, 215, 0, 0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--gold-soft);
            font-style: italic;
        }

        .article-content-card a {
            color: var(--gold);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content-card a:hover {
            color: #FFE033;
        }

        .article-not-found {
            text-align: center;
            padding: 5rem 2rem;
        }

        .article-not-found i {
            font-size: 4rem;
            color: var(--gold);
            margin-bottom: 1.5rem;
            opacity: 0.6;
        }

        .article-not-found h2 {
            color: var(--white);
            font-size: 1.8rem;
            margin-bottom: 1rem;
        }

        .article-not-found p {
            color: var(--silver);
            margin-bottom: 2rem;
        }

        /* CTA SECTION */
        .article-cta {
            padding: 4rem 0;
            background: radial-gradient(ellipse at center, rgba(255, 215, 0, 0.06) 0%, transparent 65%);
            border-top: 1px solid var(--border-light);
        }

        .cta-inner {
            background: linear-gradient(135deg, rgba(18, 62, 37, 0.85), rgba(6, 32, 21, 0.95));
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            padding: 3.5rem 3rem;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .cta-inner h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 1rem;
        }

        .cta-inner p {
            color: var(--mint);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto 2rem;
        }

        .btn-gold {
            background: var(--gold);
            color: var(--primary-deep);
            border: none;
            border-radius: 30px;
            padding: 0.9rem 2.4rem;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 6px 18px rgba(255, 215, 0, 0.35);
        }

        .btn-gold:hover {
            background: #FFE033;
            transform: translateY(-3px);
            box-shadow: 0 14px 30px rgba(255, 215, 0, 0.5);
            color: var(--primary-deep);
        }

        .btn-outline-mint {
            background: transparent;
            color: var(--mint);
            border: 1px solid rgba(209, 242, 235, 0.5);
            border-radius: 30px;
            padding: 0.9rem 2.4rem;
            font-weight: 600;
            font-size: 1.05rem;
        }

        .btn-outline-mint:hover {
            background: rgba(209, 242, 235, 0.08);
            color: var(--white);
            border-color: var(--mint);
            transform: translateY(-3px);
        }

        /* FOOTER */
        .footer-section {
            background: #040C08;
            padding: 4rem 0 2rem;
            border-top: 1px solid var(--border-light);
        }

        .footer-brand {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--gold);
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }

        .footer-text {
            color: var(--silver);
            font-size: 0.98rem;
            max-width: 400px;
            line-height: 1.7;
        }

        .footer-heading {
            color: var(--white);
            font-size: 1.1rem;
            font-weight: 650;
            margin-bottom: 1.2rem;
        }

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

        .footer-links li {
            margin-bottom: 0.7rem;
        }

        .footer-links a {
            color: var(--silver);
            font-size: 0.95rem;
            transition: color var(--transition), padding-left var(--transition);
        }

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

        .footer-copyright {
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            color: var(--silver);
            font-size: 0.88rem;
            text-align: center;
        }

        /* FAB */
        .fab-custom {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1050;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 25%, #1a4a2e, #0a2e1c);
            border: 2px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 1.5rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            transition: all var(--transition);
            animation: fab-breathe 3.2s infinite ease-in-out;
        }

        .fab-custom:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            color: #FFE033;
        }

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

        .fab-custom .notification-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: var(--red-lucky);
            border-radius: 50%;
            border: 2px solid var(--primary-deep);
            animation: blink-dot 1.4s infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3); }
            50% { box-shadow: 0 4px 32px rgba(255, 215, 0, 0.55); }
        }

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

        /* RESPONSIVE */
        @media (max-width: 992px) {
            .article-hero {
                padding: 7.5rem 0 3rem;
            }
            .article-hero h1 {
                font-size: 2.2rem;
            }
            .article-content-card {
                padding: 2rem;
            }
            .navbar-custom .nav-link {
                padding: 0.5rem 0.8rem !important;
                font-size: 0.92rem;
            }
        }

        @media (max-width: 768px) {
            .navbar-custom {
                padding: 0.6rem 0;
            }
            .navbar-custom .navbar-brand {
                font-size: 1.1rem;
            }
            .btn-login,
            .btn-signup {
                padding: 0.45rem 0.9rem;
                font-size: 0.85rem;
            }
            .article-hero {
                padding: 6.5rem 0 2.5rem;
            }
            .article-hero h1 {
                font-size: 1.8rem;
            }
            .article-meta {
                gap: 1rem;
                font-size: 0.85rem;
                flex-direction: column;
                align-items: flex-start;
            }
            .article-content-card {
                padding: 1.5rem;
                border-radius: var(--radius-md);
            }
            .article-content-card h2 {
                font-size: 1.4rem;
            }
            .article-content-card p {
                font-size: 0.98rem;
            }
            .cta-inner {
                padding: 2.5rem 1.5rem;
                border-radius: var(--radius-md);
            }
            .cta-inner h2 {
                font-size: 1.7rem;
            }
            .btn-gold,
            .btn-outline-mint {
                width: 100%;
                margin-bottom: 0.6rem;
            }
            .fab-custom {
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
                left: 0.75rem;
                bottom: 5rem;
            }
            .footer-section {
                padding: 3rem 0 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .navbar-custom .navbar-brand {
                font-size: 0.95rem;
                max-width: 200px;
                white-space: normal;
                line-height: 1.3;
            }
            .btn-login,
            .btn-signup {
                padding: 0.4rem 0.7rem;
                font-size: 0.78rem;
            }
            .article-hero h1 {
                font-size: 1.5rem;
            }
            .article-content-card {
                padding: 1.2rem;
            }
            .article-content-card h2 {
                font-size: 1.25rem;
            }
            .footer-brand {
                font-size: 1.3rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-bg-primary: #121212;
            --color-bg-secondary: #1C1C1E;
            --color-bg-card: #1A1A1A;
            --color-bg-dark: #0D0D0F;
            --color-accent-gold: #C5A059;
            --color-accent-amber: #FFBF00;
            --color-accent-bronze: #B88A44;
            --color-text-primary: #F5F5F7;
            --color-text-secondary: #D4AC0D;
            --color-text-muted: #A0A0A5;
            --color-text-light: #E8E8EA;
            --color-border: #2E2E32;
            --color-border-gold: rgba(197, 160, 89, 0.35);
            --color-shadow: rgba(0, 0, 0, 0.5);
            --color-glow-gold: rgba(197, 160, 89, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --font-primary: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-serif: 'Georgia', 'Times New Roman', serif;
            --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-primary);
            background-color: var(--color-bg-primary);
            color: var(--color-text-primary);
            line-height: 1.65;
            overflow-x: hidden;
            font-size: 16px;
            letter-spacing: 0.01em;
        }

        a {
            color: var(--color-accent-gold);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover,
        a:focus {
            color: var(--color-accent-amber);
            text-decoration: none;
            outline: none;
        }

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

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ============ NAVBAR ============ */
        .navbar-custom {
            background: rgba(18, 18, 18, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border-gold);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
            padding: 0;
            z-index: 1050;
        }

        .navbar-custom .navbar {
            padding: 12px 0;
            min-height: 68px;
        }

        .navbar-custom .navbar-brand {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-accent-gold);
            letter-spacing: -0.01em;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .navbar-custom .navbar-brand:hover {
            color: var(--color-accent-amber);
        }

        .navbar-custom .nav-link {
            color: var(--color-text-muted);
            font-weight: 500;
            font-size: 0.92rem;
            padding: 8px 14px;
            border-radius: 6px;
            transition: all var(--transition-fast);
            position: relative;
        }

        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link:focus {
            color: var(--color-accent-gold);
            background: rgba(197, 160, 89, 0.08);
        }

        .navbar-custom .nav-link.active {
            color: var(--color-accent-amber);
            font-weight: 600;
        }

        .navbar-custom .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 2px;
            background: var(--color-accent-amber);
            border-radius: 2px;
        }

        .navbar-toggler {
            border: 1px solid var(--color-border-gold);
            padding: 6px 10px;
            border-radius: 6px;
            background: transparent;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.2);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23C5A059' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--color-border-gold);
            color: var(--color-accent-gold);
            padding: 8px 18px;
            border-radius: 25px;
            font-weight: 500;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(197, 160, 89, 0.1);
            border-color: var(--color-accent-amber);
            color: var(--color-accent-amber);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--color-accent-gold), var(--color-accent-bronze));
            border: none;
            color: #121212;
            padding: 8px 22px;
            border-radius: 25px;
            font-weight: 700;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(197, 160, 89, 0.3);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, var(--color-accent-amber), var(--color-accent-gold));
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(197, 160, 89, 0.45);
            color: #121212;
        }

        /* ============ HERO ============ */
        .hero-section {
            padding: 140px 0 90px;
            background: linear-gradient(165deg, #0D0D0F 0%, #161618 35%, #1A1A1A 70%, #0D0D0F 100%);
            position: relative;
            overflow: hidden;
            min-height: 600px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(197, 160, 89, 0.08) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 191, 0, 0.05) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(197, 160, 89, 0.12);
            border: 1px solid var(--color-border-gold);
            color: var(--color-accent-amber);
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .hero-badge i {
            color: var(--color-accent-gold);
        }

        .hero-title {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: clamp(2.2rem, 4.5vw, 3.4rem);
            line-height: 1.15;
            color: var(--color-text-primary);
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .hero-title .highlight {
            color: var(--color-accent-gold);
            position: relative;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 3px;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent-gold), transparent);
            border-radius: 3px;
        }

        .hero-subtitle {
            font-size: 1.12rem;
            color: var(--color-text-muted);
            line-height: 1.75;
            max-width: 600px;
            margin-bottom: 30px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 35px;
        }

        .btn-primary-cta {
            background: linear-gradient(135deg, var(--color-accent-gold), var(--color-accent-bronze));
            border: none;
            color: #121212;
            padding: 14px 30px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-fast);
            box-shadow: 0 6px 24px rgba(197, 160, 89, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary-cta:hover {
            background: linear-gradient(135deg, var(--color-accent-amber), var(--color-accent-gold));
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(197, 160, 89, 0.5);
            color: #121212;
        }

        .btn-secondary-cta {
            background: transparent;
            border: 1px solid var(--color-border-gold);
            color: var(--color-accent-gold);
            padding: 14px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-secondary-cta:hover {
            background: rgba(197, 160, 89, 0.1);
            border-color: var(--color-accent-amber);
            color: var(--color-accent-amber);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
        }

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

        .hero-stat-number {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        .hero-image-wrapper {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
            border: 1px solid var(--color-border-gold);
        }

        .hero-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 380px;
        }

        .hero-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(180deg, transparent 0%, rgba(13, 13, 15, 0.92) 100%);
            padding: 30px 24px 20px;
        }

        .hero-image-overlay .overlay-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-accent-amber);
            margin-bottom: 6px;
        }

        .hero-image-overlay .overlay-text {
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

        .explosion-badge {
            position: absolute;
            top: -12px;
            right: -12px;
            background: linear-gradient(135deg, #FF3B30, #C0392B);
            color: #fff;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            font-weight: 800;
            font-size: 0.9rem;
            line-height: 1.2;
            box-shadow: 0 8px 28px rgba(255, 59, 48, 0.5);
            transform: rotate(12deg);
            animation: pulse-badge 2.5s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%, 100% {
                transform: rotate(12deg) scale(1);
            }
            50% {
                transform: rotate(12deg) scale(1.08);
            }
        }

        /* ============ SECTION GENERAL ============ */
        .section-block {
            padding: 70px 0;
        }

        .section-block-alt {
            background: var(--color-bg-secondary);
        }

        .section-heading {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            color: var(--color-text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
            text-align: left;
        }

        .section-subheading {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 40px;
            text-align: left;
        }

        .section-divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent-gold), var(--color-accent-amber));
            border-radius: 3px;
            margin-bottom: 20px;
        }

        /* ============ FEATURE CARDS ============ */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 22px;
        }

        .feature-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 26px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent-gold), transparent);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }

        .feature-card:hover {
            border-color: var(--color-border-gold);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5), 0 0 24px var(--color-glow-gold);
            transform: translateY(-3px);
        }

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

        .feature-icon {
            width: 52px;
            height: 52px;
            background: rgba(197, 160, 89, 0.1);
            border: 1px solid var(--color-border-gold);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            font-size: 1.4rem;
            color: var(--color-accent-gold);
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-text-primary);
            margin-bottom: 10px;
            text-align: left;
        }

        .feature-card p {
            font-size: 0.92rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
            text-align: left;
        }

        /* ============ CONTENT SHOWCASE ============ */
        .showcase-row {
            display: flex;
            align-items: center;
            gap: 50px;
            margin-bottom: 50px;
        }

        .showcase-row.reverse {
            flex-direction: row-reverse;
        }

        .showcase-content {
            flex: 1;
        }

        .showcase-content h3 {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 16px;
            text-align: left;
        }

        .showcase-content p {
            font-size: 1rem;
            color: var(--color-text-muted);
            line-height: 1.75;
            margin-bottom: 16px;
            text-align: left;
        }

        .showcase-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .showcase-list li {
            padding: 8px 0;
            color: var(--color-text-light);
            font-size: 0.95rem;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .showcase-list li i {
            color: var(--color-accent-gold);
            margin-top: 5px;
            font-size: 0.8rem;
        }

        .showcase-image {
            flex: 0 0 45%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-gold);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.55);
        }

        .showcase-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .showcase-image:hover img {
            transform: scale(1.04);
        }

        /* ============ TRUST BAR ============ */
        .trust-bar {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            justify-content: flex-start;
            margin-top: 15px;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(197, 160, 89, 0.07);
            border: 1px solid var(--color-border-gold);
            border-radius: 20px;
            padding: 8px 16px;
            font-size: 0.82rem;
            color: var(--color-text-light);
            font-weight: 500;
        }

        .trust-item i {
            color: var(--color-accent-gold);
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--color-bg-dark);
        }

        .accordion-custom .accordion-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
        }

        .accordion-custom .accordion-button {
            background: var(--color-bg-card);
            color: var(--color-text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            transition: all var(--transition-fast);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(197, 160, 89, 0.08);
            color: var(--color-accent-amber);
            box-shadow: none;
        }

        .accordion-custom .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23C5A059'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

        .accordion-custom .accordion-button:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.15);
        }

        .accordion-custom .accordion-body {
            background: var(--color-bg-card);
            color: var(--color-text-muted);
            font-size: 0.92rem;
            line-height: 1.75;
            padding: 0 22px 20px;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(135deg, #0D0D0F 0%, #1A1A1A 50%, #0D0D0F 100%);
            border-top: 1px solid var(--color-border-gold);
            border-bottom: 1px solid var(--color-border-gold);
            padding: 70px 0;
            text-align: center;
            position: relative;
            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(197, 160, 89, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.8rem, 3.5vw, 2.5rem);
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 600px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-primary-cta {
            position: relative;
            z-index: 1;
        }

        /* ============ FOOTER ============ */
        .footer-section {
            background: var(--color-bg-dark);
            padding: 60px 0 30px;
            border-top: 1px solid var(--color-border);
        }

        .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            margin-bottom: 16px;
        }

        .footer-text {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.75;
            margin-bottom: 0;
            text-align: left;
        }

        .footer-heading {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-primary);
            margin-bottom: 16px;
            text-align: left;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .footer-links a {
            color: var(--color-text-muted);
            font-size: 0.88rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a:hover {
            color: var(--color-accent-gold);
            transform: translateX(3px);
        }

        .footer-copyright {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            color: var(--color-text-muted);
            font-size: 0.82rem;
            text-align: center;
        }

        /* ============ FAB ============ */
        .fab-custom {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 1080;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(13, 13, 15, 0.92);
            backdrop-filter: blur(16px);
            border: 2px solid var(--color-accent-gold);
            color: var(--color-accent-amber);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.3), 0 0 15px rgba(255, 191, 0, 0.15);
            opacity: 0.7;
            animation: fab-float 3s ease-in-out infinite;
        }

        .fab-custom:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(197, 160, 89, 0.5), 0 0 25px rgba(255, 191, 0, 0.25);
        }

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

        .fab-custom .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: #FF3B30;
            border-radius: 50%;
            border: 2px solid #0D0D0F;
            animation: blink-dot 1.5s ease-in-out infinite;
        }

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

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

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-section {
                padding: 120px 0 70px;
                min-height: auto;
            }

            .showcase-row {
                gap: 30px;
            }

            .showcase-image {
                flex: 0 0 48%;
            }

            .showcase-image img {
                height: 280px;
            }
        }

        @media (max-width: 768px) {
            .navbar-custom .navbar {
                padding: 10px 0;
                min-height: 60px;
            }

            .navbar-custom .navbar-brand {
                font-size: 1.05rem;
            }

            .hero-section {
                padding: 110px 0 50px;
            }

            .hero-title {
                font-size: 2rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .hero-stats {
                gap: 18px;
            }

            .hero-stat-number {
                font-size: 1.5rem;
            }

            .showcase-row,
            .showcase-row.reverse {
                flex-direction: column;
            }

            .showcase-image {
                flex: 0 0 100%;
                width: 100%;
            }

            .showcase-image img {
                height: 240px;
            }

            .section-block {
                padding: 50px 0;
            }

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

            .explosion-badge {
                width: 65px;
                height: 65px;
                font-size: 0.75rem;
                top: -8px;
                right: -8px;
            }

            .navbar-custom .navbar-collapse {
                background: rgba(18, 18, 18, 0.98);
                border-radius: var(--radius-sm);
                padding: 16px;
                margin-top: 10px;
                border: 1px solid var(--color-border-gold);
            }

            .navbar-custom .nav-link {
                padding: 10px 14px;
            }

            .btn-login,
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
                flex: 1;
                text-align: center;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

            .hero-section {
                padding: 100px 0 40px;
            }

            .hero-title {
                font-size: 1.7rem;
            }

            .hero-badge {
                font-size: 0.72rem;
                padding: 6px 14px;
            }

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

            .btn-primary-cta,
            .btn-secondary-cta {
                width: 100%;
                justify-content: center;
                padding: 12px 22px;
                font-size: 0.9rem;
            }

            .hero-stats {
                flex-direction: column;
                gap: 12px;
            }

            .section-heading {
                font-size: 1.5rem;
            }

            .feature-card {
                padding: 20px 18px;
            }

            .cta-section {
                padding: 45px 0;
            }

            .fab-custom {
                width: 44px;
                height: 44px;
                font-size: 1rem;
                left: 14px;
                bottom: 80px;
            }

            .footer-section {
                padding: 40px 0 20px;
            }

            .footer-copyright {
                font-size: 0.75rem;
                line-height: 1.6;
            }
        }

/* roulang page: category2 */
:root {
            --color-bg: #121212;
            --color-bg-soft: #1C1C1E;
            --color-bg-elevated: #242426;
            --color-surface: #2A2A2D;
            --color-primary: #C5A059;
            --color-primary-strong: #FFBF00;
            --color-primary-soft: #D4AC0D;
            --color-accent: #E5E8E8;
            --color-text: #F5F5F7;
            --color-text-muted: #B0B0B5;
            --color-text-gold: #D4AC0D;
            --color-border: rgba(197, 160, 89, 0.25);
            --color-border-strong: rgba(197, 160, 89, 0.55);
            --color-shadow: rgba(0, 0, 0, 0.5);
            --color-shadow-gold: rgba(197, 160, 89, 0.25);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --spacing-xl: 6rem;
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-display: 'Playfair Display', 'Times New Roman', Georgia, serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-gold-sm: 0 2px 12px rgba(197, 160, 89, 0.2);
            --shadow-gold-md: 0 8px 32px rgba(197, 160, 89, 0.3);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.65;
            overflow-x: hidden;
            font-size: 16px;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-display);
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-text);
            letter-spacing: -0.02em;
        }

        h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            margin-bottom: 1rem;
        }

        h2 {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            margin-bottom: 1rem;
        }

        h3 {
            font-size: clamp(1.3rem, 2.5vw, 1.6rem);
            margin-bottom: 0.75rem;
        }

        p {
            color: var(--color-text-muted);
            margin-bottom: 1rem;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast);
        }

        a:hover, a:focus {
            color: var(--color-primary-strong);
            outline: none;
        }

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

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
        }

        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

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

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

        .bg-soft {
            background: var(--color-bg-soft);
        }

        .text-gold {
            color: var(--color-primary);
        }

        .text-muted-gold {
            color: var(--color-text-gold);
        }

        .lead-text {
            font-size: 1.15rem;
            line-height: 1.7;
            color: var(--color-text-muted);
        }

        .divider-gold {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-primary-strong));
            border-radius: 3px;
            margin-bottom: 1.5rem;
        }

        /* ============ NAVBAR ============ */
        .navbar-custom {
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(197, 160, 89, 0.15);
            padding: 0.75rem 0;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
            z-index: 1050;
        }

        .navbar-custom.scrolled {
            background: rgba(18, 18, 18, 0.98);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
        }

        .navbar-custom .navbar-brand {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .navbar-custom .navbar-brand:hover {
            color: var(--color-primary-strong);
        }

        .navbar-custom .nav-link {
            color: var(--color-text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem !important;
            border-radius: 20px;
            transition: color var(--transition-fast), background var(--transition-fast);
            margin: 0 0.15rem;
        }

        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link:focus {
            color: var(--color-primary);
            background: rgba(197, 160, 89, 0.08);
        }

        .navbar-custom .nav-link.active {
            color: var(--color-primary-strong);
            background: rgba(197, 160, 89, 0.12);
            font-weight: 600;
        }

        .navbar-toggler {
            border: 1px solid var(--color-border);
            padding: 0.35rem 0.65rem;
            border-radius: 8px;
            background: transparent;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.3);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(197,160,89,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--color-border-strong);
            color: var(--color-primary);
            padding: 0.45rem 1.25rem;
            border-radius: 24px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--color-primary-strong);
            background: rgba(197, 160, 89, 0.1);
            color: var(--color-primary-strong);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
            border: none;
            color: #121212;
            padding: 0.45rem 1.5rem;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: var(--shadow-gold-sm);
        }

        .btn-signup:hover {
            box-shadow: var(--shadow-gold-md);
            transform: translateY(-2px);
            color: #121212;
        }

        /* ============ HERO ============ */
        .hero-category {
            background: linear-gradient(165deg, #0D0D0F 0%, #1A1A1D 40%, #0D0D0F 100%);
            padding: 8rem 0 4.5rem;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(197, 160, 89, 0.15);
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 60%;
            height: 120%;
            background: radial-gradient(ellipse at center, rgba(197, 160, 89, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 50%;
            height: 80%;
            background: radial-gradient(ellipse at center, rgba(197, 160, 89, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(197, 160, 89, 0.12);
            border: 1px solid var(--color-border);
            color: var(--color-primary);
            padding: 0.4rem 1.25rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 1.25rem;
        }

        .hero-title {
            font-size: clamp(2.5rem, 6vw, 4rem);
            line-height: 1.15;
            margin-bottom: 1.25rem;
            color: #FFFFFF;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .hero-description {
            font-size: 1.2rem;
            line-height: 1.75;
            color: var(--color-text-muted);
            max-width: 600px;
            margin-bottom: 2rem;
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
            border: none;
            color: #121212;
            padding: 0.8rem 2rem;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-gold-sm);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-hero-primary:hover {
            box-shadow: var(--shadow-gold-md);
            transform: translateY(-2px);
            color: #121212;
        }

        .btn-hero-secondary {
            background: transparent;
            border: 1px solid var(--color-border-strong);
            color: var(--color-primary);
            padding: 0.8rem 2rem;
            border-radius: 28px;
            font-weight: 500;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-hero-secondary:hover {
            border-color: var(--color-primary-strong);
            background: rgba(197, 160, 89, 0.08);
            color: var(--color-primary-strong);
        }

        .hero-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg);
            background: var(--color-bg-elevated);
        }

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

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

        .hero-stats {
            display: flex;
            gap: 2rem;
            margin-top: 2.5rem;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            flex: 1;
            min-width: 120px;
        }

        .hero-stat-value {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.1;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 0.3rem;
        }

        /* ============ FEATURE SECTION ============ */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .feature-item {
            padding: 2rem 1.5rem;
            background: var(--color-bg-soft);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .feature-item::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-primary-strong));
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

        .feature-item:hover {
            border-color: var(--color-border-strong);
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .feature-item:hover::after {
            opacity: 1;
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(197, 160, 89, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 1.4rem;
            margin-bottom: 1.25rem;
        }

        .feature-item h3 {
            font-size: 1.3rem;
            margin-bottom: 0.75rem;
            color: #FFFFFF;
        }

        .feature-item p {
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ============ SCENARIO SECTION ============ */
        .scenario-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .scenario-item {
            display: flex;
            gap: 1.25rem;
            padding: 1.25rem 0;
            border-bottom: 1px solid rgba(197, 160, 89, 0.12);
            transition: all var(--transition-fast);
        }

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

        .scenario-number {
            font-family: var(--font-display);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            min-width: 40px;
            line-height: 1.2;
        }

        .scenario-content h4 {
            font-size: 1.1rem;
            margin-bottom: 0.4rem;
            color: #FFFFFF;
        }

        .scenario-content p {
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ============ MUSIC CARD SECTION ============ */
        .music-card {
            background: var(--color-bg-soft);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            height: 100%;
        }

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

        .music-card-image {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .music-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .music-card:hover .music-card-image img {
            transform: scale(1.06);
        }

        .music-card-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: rgba(18, 18, 18, 0.85);
            backdrop-filter: blur(8px);
            color: var(--color-primary);
            padding: 0.3rem 0.9rem;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            border: 1px solid var(--color-border);
        }

        .music-card-body {
            padding: 1.5rem;
        }

        .music-card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
            color: #FFFFFF;
        }

        .music-card-body p {
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }

        .music-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--color-bg-soft);
        }

        .accordion-item {
            background: transparent;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 0.75rem;
            overflow: hidden;
        }

        .accordion-button {
            background: var(--color-bg-elevated);
            color: var(--color-text);
            font-weight: 600;
            padding: 1.25rem 1.5rem;
            border: none;
            box-shadow: none;
            transition: all var(--transition-fast);
            font-family: var(--font-body);
            font-size: 1rem;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(197, 160, 89, 0.08);
            color: var(--color-primary);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--color-border-strong);
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23C5A059'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
        }

        .accordion-body {
            background: var(--color-bg);
            color: var(--color-text-muted);
            padding: 1.25rem 1.5rem;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(135deg, #1A1A1D 0%, #121212 50%, #1A1A1D 100%);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: var(--spacing-lg) 0;
            position: relative;
            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(197, 160, 89, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section h2 {
            color: #FFFFFF;
        }

        .cta-section p {
            color: var(--color-text-muted);
            max-width: 600px;
        }

        /* ============ FOOTER ============ */
        .footer-section {
            background: #0A0A0B;
            border-top: 1px solid rgba(197, 160, 89, 0.2);
            padding: 3rem 0 2rem;
        }

        .footer-brand {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 1rem;
        }

        .footer-text {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-heading {
            font-size: 1.05rem;
            color: #FFFFFF;
            margin-bottom: 1rem;
            font-family: var(--font-body);
            font-weight: 600;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 0.6rem;
        }

        .footer-links a {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

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

        .footer-copyright {
            text-align: center;
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(197, 160, 89, 0.12);
            color: var(--color-text-muted);
            font-size: 0.8rem;
        }

        /* ============ FAB ============ */
        .fab-custom {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1040;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(18, 18, 18, 0.85);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(#121212, #121212), linear-gradient(135deg, #C5A059, #FFBF00, #C5A059);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 24px rgba(197, 160, 89, 0.3);
            opacity: 0.7;
            transition: all var(--transition-smooth);
            animation: fabBreath 3s ease-in-out infinite;
        }

        @keyframes fabBreath {
            0%, 100% { transform: translateY(0); opacity: 0.7; }
            50% { transform: translateY(-6px); opacity: 1; }
        }

        .fab-custom:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 40px rgba(197, 160, 89, 0.5);
            animation-play-state: paused;
            color: var(--color-primary-strong);
        }

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

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #121212;
            animation: fabDotBlink 1.5s ease-in-out infinite;
        }

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

        /* ============ RESPONSIVE ============ */
        @media (max-width: 991.98px) {
            .hero-category {
                padding: 6rem 0 3.5rem;
            }

            .navbar-custom .navbar-collapse {
                background: rgba(18, 18, 18, 0.98);
                border-radius: 12px;
                padding: 1rem;
                margin-top: 0.75rem;
                border: 1px solid var(--color-border);
            }

            .navbar-custom .nav-link {
                padding: 0.75rem 1rem !important;
            }

            .navbar-custom .d-flex.align-items-center {
                flex-direction: column;
                align-items: stretch !important;
                margin-top: 0.5rem;
            }

            .btn-login, .btn-signup {
                width: 100%;
                text-align: center;
            }

            .hero-stats {
                gap: 1.5rem;
            }
        }

        @media (max-width: 767.98px) {
            .hero-title {
                font-size: clamp(2rem, 7vw, 2.8rem);
            }

            .hero-description {
                font-size: 1rem;
            }

            .feature-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }

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

            .hero-stats {
                flex-direction: column;
                gap: 1rem;
            }

            .hero-stat-item {
                min-width: auto;
            }

            .fab-custom {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                bottom: 5rem;
                left: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }

            .hero-category {
                padding: 5rem 0 2.5rem;
            }

            .hero-badge {
                font-size: 0.75rem;
                padding: 0.3rem 0.9rem;
            }

            .btn-hero-primary, .btn-hero-secondary {
                width: 100%;
                justify-content: center;
                margin-bottom: 0.5rem;
            }

            .music-card-body {
                padding: 1.25rem;
            }

            .footer-brand {
                font-size: 1.25rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #232327;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-bright: #E8C96A;
            --text-white: #F5F5F7;
            --text-muted: #B0B0B8;
            --text-gold: #D4AC0D;
            --border-subtle: #2A2A30;
            --border-gold: rgba(197, 160, 89, 0.4);
            --shadow-card: 0 8px 28px rgba(0,0,0,0.35);
            --shadow-gold: 0 4px 20px rgba(197,160,89,0.25);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, 'Roboto', 'Helvetica Neue', sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        body {
            background-color: var(--bg-primary);
            color: var(--text-white);
            font-family: var(--font-body);
            line-height: 1.6;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 600;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--text-white);
        }

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

        a:hover {
            color: var(--accent-amber);
            text-decoration: none;
        }

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

        .container {
            max-width: 1180px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* Navbar Custom */
        .navbar-custom {
            background: rgba(18,18,18,0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 0.65rem 0;
            box-shadow: 0 2px 18px rgba(0,0,0,0.25);
        }

        .navbar-custom .navbar-brand {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-white);
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .navbar-custom .navbar-brand i {
            color: var(--accent-gold);
            font-size: 1.3rem;
        }

        .navbar-custom .navbar-brand span {
            color: var(--accent-gold);
        }

        .navbar-custom .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem !important;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .navbar-custom .nav-link:hover {
            color: var(--text-white);
            background: rgba(255,255,255,0.05);
        }

        .navbar-custom .nav-link.active {
            color: var(--accent-amber);
            background: rgba(197,160,89,0.12);
            font-weight: 600;
        }

        .navbar-toggler {
            border: 1px solid var(--border-gold);
            padding: 0.35rem 0.6rem;
            border-radius: var(--radius-sm);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23C5A059' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--text-white);
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .btn-login:hover {
            background: rgba(197,160,89,0.15);
            border-color: var(--accent-gold);
            color: var(--accent-amber);
        }

        .btn-signup {
            background: var(--accent-gold);
            border: 1px solid var(--accent-gold);
            color: #121212;
            padding: 0.5rem 1.3rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .btn-signup:hover {
            background: var(--accent-amber);
            border-color: var(--accent-amber);
            color: #121212;
            transform: translateY(-1px);
            box-shadow: var(--shadow-gold);
        }

        /* FAB - Royal VIP Style */
        .fab-royal {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 1050;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #2A2A30, #121212);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(197,160,89,0.3), inset 0 1px 2px rgba(255,255,255,0.1);
            cursor: pointer;
            opacity: 0.75;
            animation: floatBreath 3s ease-in-out infinite;
            transition: var(--transition);
        }

        .fab-royal i {
            color: var(--accent-gold);
            font-size: 1.5rem;
            transition: var(--transition);
        }

        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(197,160,89,0.5), inset 0 1px 2px rgba(255,255,255,0.15);
        }

        .fab-royal:hover i {
            transform: rotate(360deg);
        }

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

        .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #121212;
            animation: blink 1.2s ease-in-out infinite;
        }

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

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

        /* Hero Section */
        .hero-section {
            padding: 8.5rem 0 4.5rem;
            background: linear-gradient(165deg, #121212 0%, #1C1C1E 55%, #1A1A20 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(197,160,89,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,191,0,0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-title {
            font-size: 2.9rem;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin-bottom: 1.25rem;
        }

        .hero-title .gold-accent {
            color: var(--accent-gold);
            border-bottom: 2px solid var(--border-gold);
            padding-bottom: 0.15rem;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 620px;
            margin-bottom: 2rem;
        }

        .hero-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0,0,0,0.5);
            border: 1px solid var(--border-subtle);
        }

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

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

        .hero-badge {
            display: inline-block;
            background: rgba(197,160,89,0.15);
            color: var(--accent-amber);
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 1.5rem;
            border: 1px solid var(--border-gold);
        }

        .hero-stats {
            display: flex;
            gap: 2.5rem;
            margin-top: 2.5rem;
            flex-wrap: wrap;
        }

        .hero-stat-item h3 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 0.2rem;
        }

        .hero-stat-item p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin: 0;
        }

        /* Buttons */
        .btn-outline-gold {
            background: transparent;
            border: 1.5px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            letter-spacing: 0.01em;
        }

        .btn-outline-gold:hover {
            background: var(--accent-gold);
            color: #121212;
            border-color: var(--accent-gold);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        .btn-gold {
            background: var(--accent-gold);
            border: 1.5px solid var(--accent-gold);
            color: #121212;
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            letter-spacing: 0.01em;
        }

        .btn-gold:hover {
            background: var(--accent-amber);
            border-color: var(--accent-amber);
            color: #121212;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,191,0,0.35);
        }

        /* Section Common */
        .section-padding {
            padding: 4.5rem 0;
        }

        .section-heading {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 0.8rem;
            line-height: 1.25;
        }

        .section-subheading {
            font-size: 1.1rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 2.8rem;
        }

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

        /* Feature Blocks */
        .feature-block {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            padding: 2rem 1.8rem;
            border: 1px solid var(--border-subtle);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .feature-block::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-amber), transparent);
            opacity: 0;
            transition: var(--transition);
        }

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

        .feature-block:hover::after {
            opacity: 1;
        }

        .feature-icon {
            width: 54px;
            height: 54px;
            background: rgba(197,160,89,0.12);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.2rem;
            border: 1px solid var(--border-gold);
        }

        .feature-icon i {
            font-size: 1.5rem;
            color: var(--accent-gold);
        }

        .feature-block h3 {
            font-size: 1.25rem;
            margin-bottom: 0.7rem;
            font-weight: 600;
        }

        .feature-block p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }

        /* Steps / Process */
        .step-card {
            background: transparent;
            border: none;
            padding: 1.5rem 0;
            position: relative;
        }

        .step-number {
            font-size: 3.5rem;
            font-weight: 800;
            color: rgba(197,160,89,0.2);
            line-height: 1;
            margin-bottom: 0.5rem;
            letter-spacing: -0.04em;
        }

        .step-card h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .step-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }

        /* Security Checklist */
        .checklist-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1rem 0;
            border-bottom: 1px solid var(--border-subtle);
        }

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

        .checklist-icon {
            width: 28px;
            height: 28px;
            min-width: 28px;
            background: rgba(197,160,89,0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-gold);
            margin-top: 0.2rem;
        }

        .checklist-icon i {
            color: var(--accent-gold);
            font-size: 0.85rem;
        }

        .checklist-content h5 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.25rem;
        }

        .checklist-content p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
            margin: 0;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 3rem;
            border: 1px solid var(--border-subtle);
        }

        .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--border-subtle);
        }

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

        .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 1.2rem 0;
            box-shadow: none;
        }

        .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--accent-gold);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }

        .accordion-button::after {
            filter: invert(0.6) sepia(0.5) saturate(2) hue-rotate(10deg);
        }

        .accordion-body {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            padding: 0 0 1.5rem 0;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #1A1A1E 0%, #1C1C1E 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 3.5rem;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(197,160,89,0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            color: var(--text-muted);
            font-size: 1.05rem;
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 600px;
        }

        /* Footer */
        .footer-section {
            background: var(--bg-secondary);
            padding: 4rem 0 2rem;
            border-top: 1px solid var(--border-subtle);
            margin-top: 3rem;
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }

        .footer-brand span {
            color: var(--accent-gold);
        }

        .footer-text {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .footer-heading {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 1.2rem;
            color: var(--text-white);
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 0.7rem;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 0.92rem;
            transition: var(--transition);
            text-decoration: none;
        }

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

        .footer-copyright {
            border-top: 1px solid var(--border-subtle);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            color: var(--text-muted);
            font-size: 0.85rem;
            text-align: center;
            letter-spacing: 0.01em;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.4rem;
            }
            
            .section-heading {
                font-size: 1.9rem;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 6.5rem 0 3rem;
            }

            .hero-title {
                font-size: 2rem;
            }

            .hero-subtitle {
                font-size: 1.05rem;
            }

            .hero-image-wrap img {
                height: 280px;
            }

            .hero-stats {
                gap: 1.5rem;
            }

            .hero-stat-item h3 {
                font-size: 1.6rem;
            }

            .section-heading {
                font-size: 1.7rem;
            }

            .section-subheading {
                font-size: 1rem;
            }

            .cta-section {
                padding: 2.5rem 1.8rem;
            }

            .cta-section h2 {
                font-size: 1.6rem;
            }

            .faq-section {
                padding: 2rem 1.5rem;
            }

            .navbar-custom .navbar-brand {
                font-size: 1rem;
            }

            .btn-login, .btn-signup {
                padding: 0.45rem 0.9rem;
                font-size: 0.82rem;
            }

            .fab-royal {
                width: 50px;
                height: 50px;
                left: 1rem;
                bottom: 5.5rem;
            }

            .fab-royal i {
                font-size: 1.25rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 15px;
                padding-right: 15px;
            }

            .hero-title {
                font-size: 1.7rem;
            }

            .hero-subtitle {
                font-size: 0.95rem;
            }

            .hero-badge {
                font-size: 0.75rem;
                padding: 0.3rem 0.9rem;
            }

            .hero-stats {
                flex-direction: column;
                gap: 1rem;
            }

            .section-heading {
                font-size: 1.5rem;
            }

            .feature-block {
                padding: 1.5rem;
            }

            .cta-section {
                padding: 2rem 1.2rem;
            }

            .btn-outline-gold, .btn-gold {
                padding: 0.6rem 1.3rem;
                font-size: 0.85rem;
                display: block;
                width: 100%;
                text-align: center;
                margin-bottom: 0.6rem;
            }

            .fab-royal {
                width: 46px;
                height: 46px;
                left: 0.8rem;
                bottom: 5rem;
            }

            .navbar-custom .d-flex.gap-2 {
                flex-direction: column;
                gap: 0.5rem !important;
            }
        }