/* roulang page: index */
:root {
            --bg-deep: #07070D;
            --bg-section: #0A0A15;
            --bg-card: rgba(15, 15, 30, 0.7);
            --bg-card-hover: rgba(25, 25, 50, 0.85);
            --glass-bg: rgba(8, 8, 25, 0.65);
            --glass-border: rgba(6, 182, 212, 0.25);
            --glass-border-hover: rgba(6, 182, 212, 0.6);
            --neon-cyan: #06B6D4;
            --neon-cyan-dim: #0891B2;
            --neon-lime: #A3E635;
            --neon-lime-dim: #84CC16;
            --neon-pink: #F43F5E;
            --neon-pink-dim: #E11D48;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --text-dark: #020617;
            --btn-gradient-cyan: linear-gradient(135deg, #06B6D4 0%, #38BDF8 50%, #06B6D4 100%);
            --btn-gradient-lime: linear-gradient(135deg, #A3E635 0%, #BEF264 50%, #A3E635 100%);
            --btn-gradient-pink: linear-gradient(135deg, #F43F5E 0%, #FB7185 50%, #F43F5E 100%);
            --shadow-neon-cyan: 0 4px 25px rgba(6, 182, 212, 0.35);
            --shadow-neon-lime: 0 4px 25px rgba(163, 230, 53, 0.35);
            --shadow-neon-pink: 0 4px 25px rgba(244, 63, 94, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 16px 48px rgba(6, 182, 212, 0.15);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.02em;
        }

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

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

        button, .btn {
            cursor: pointer;
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 600;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            position: relative;
            overflow: hidden;
        }

        .container {
            width: 100%;
            max-width: 1320px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width: 1200px) {
            .container {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* ==================== HEADER & NAVIGATION ==================== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(7, 7, 13, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(6, 182, 212, 0.18);
            transition: background var(--transition-smooth), border-color var(--transition-smooth);
            padding: 0.75rem 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.03em;
            flex-shrink: 0;
        }

        .logo i {
            font-size: 1.6rem;
            color: var(--neon-cyan);
            filter: drop-shadow(0 0 10px rgba(6, 182, 212, 0.7));
        }

        .logo span {
            background: linear-gradient(135deg, #06B6D4 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 1.8rem;
            list-style: none;
            font-weight: 600;
            font-size: 0.95rem;
        }

        .main-nav a {
            color: var(--text-secondary);
            padding: 0.45rem 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--text-primary);
            border-bottom-color: var(--neon-cyan);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            color: var(--neon-cyan);
            border: 1.5px solid rgba(6, 182, 212, 0.4);
            padding: 0.55rem 1.4rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
        }

        .btn-login:hover {
            background: rgba(6, 182, 212, 0.1);
            border-color: var(--neon-cyan);
            color: #38BDF8;
            box-shadow: var(--shadow-neon-cyan);
        }

        .btn-signup {
            background: var(--btn-gradient-lime);
            color: var(--text-dark);
            padding: 0.55rem 1.5rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-neon-lime);
            transition: all var(--transition-smooth);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 35px rgba(163, 230, 53, 0.5);
            filter: brightness(1.1);
        }

        .btn-signup:active {
            transform: translateY(0);
            filter: brightness(0.95);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.7rem;
            cursor: pointer;
            padding: 0.3rem;
            line-height: 1;
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 1.2rem;
                font-size: 0.88rem;
            }
            .header-actions .btn-login,
            .header-actions .btn-signup {
                padding: 0.5rem 1.1rem;
                font-size: 0.83rem;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(7, 7, 13, 0.96);
                backdrop-filter: blur(22px);
                -webkit-backdrop-filter: blur(22px);
                flex-direction: column;
                align-items: stretch;
                padding: 1.5rem 2rem;
                gap: 1rem;
                border-bottom: 2px solid rgba(6, 182, 212, 0.3);
                box-shadow: 0 20px 40px rgba(0,0,0,0.5);
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                font-size: 1.1rem;
                padding: 0.6rem 0;
                border-bottom: 1px solid rgba(148, 163, 184, 0.15);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .mobile-toggle {
                display: block;
            }
            .header-actions {
                gap: 0.5rem;
            }
            .header-actions .btn-login,
            .header-actions .btn-signup {
                padding: 0.5rem 1rem;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 480px) {
            .logo {
                font-size: 1.1rem;
            }
            .logo i {
                font-size: 1.3rem;
            }
            .header-actions .btn-login,
            .header-actions .btn-signup {
                padding: 0.45rem 0.8rem;
                font-size: 0.75rem;
            }
        }

        /* ==================== HERO ==================== */
        .hero-section {
            padding: 9rem 0 5rem;
            position: relative;
            background: radial-gradient(ellipse at 30% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 80%, rgba(163, 230, 53, 0.06) 0%, transparent 50%);
            overflow: hidden;
        }

        .hero-cards-stack {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0;
            position: relative;
            flex-wrap: wrap;
        }

        .hero-card-main {
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            max-width: 620px;
            width: 100%;
            z-index: 3;
            box-shadow: var(--shadow-neon-cyan), 0 20px 60px rgba(0,0,0,0.4);
            position: relative;
        }

        .hero-card-main::before {
            content: '';
            position: absolute;
            inset: -1px;
            border-radius: var(--radius-xl);
            padding: 1px;
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.5), transparent 40%, transparent 70%, rgba(163, 230, 53, 0.4));
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(163, 230, 53, 0.12);
            border: 1px solid rgba(163, 230, 53, 0.3);
            color: var(--neon-lime);
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.85rem;
            margin-bottom: 1.5rem;
            letter-spacing: 0.01em;
        }

        .hero-card-main h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 1.2rem;
            background: linear-gradient(to bottom, #FFFFFF 0%, #CBD5E1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }

        .btn-hero-primary {
            background: var(--btn-gradient-cyan);
            color: var(--text-dark);
            padding: 0.85rem 2.2rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-neon-cyan);
        }

        .btn-hero-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 40px rgba(6, 182, 212, 0.5);
            filter: brightness(1.1);
        }

        .btn-hero-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid rgba(148, 163, 184, 0.4);
            padding: 0.85rem 2rem;
            border-radius: 50px;
            font-weight: 600;
        }

        .btn-hero-secondary:hover {
            border-color: var(--neon-lime);
            color: var(--neon-lime);
            background: rgba(163, 230, 53, 0.05);
        }

        .hero-side-card {
            background: rgba(12, 12, 28, 0.55);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(148, 163, 184, 0.12);
            border-radius: var(--radius-lg);
            padding: 1.5rem 1.8rem;
            max-width: 280px;
            width: 100%;
            position: absolute;
            z-index: 2;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }

        .hero-side-left {
            left: 2%;
            top: 50%;
            transform: translateY(-50%) rotate(-3deg);
        }

        .hero-side-right {
            right: 2%;
            top: 50%;
            transform: translateY(-50%) rotate(3deg);
        }

        .hero-side-card h4 {
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .hero-side-card p {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.5;
        }

        .hero-side-card .stat {
            font-size: 2rem;
            font-weight: 800;
            color: var(--neon-cyan);
            margin-bottom: 0.25rem;
        }

        @media (max-width: 1200px) {
            .hero-side-left {
                left: -1%;
            }
            .hero-side-right {
                right: -1%;
            }
            .hero-side-card {
                max-width: 240px;
                padding: 1.2rem 1.4rem;
            }
        }

        @media (max-width: 992px) {
            .hero-cards-stack {
                flex-direction: column;
                gap: 2rem;
            }
            .hero-side-card {
                position: static;
                transform: none;
                max-width: 500px;
            }
            .hero-card-main h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 600px) {
            .hero-section {
                padding: 7.5rem 0 3rem;
            }
            .hero-card-main {
                padding: 2rem 1.5rem;
            }
            .hero-card-main h1 {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .btn-hero-primary, .btn-hero-secondary {
                width: 100%;
                justify-content: center;
                padding: 0.8rem 1.5rem;
            }
        }

        /* ==================== COMMON SECTION STYLES ==================== */
        .section {
            padding: 4.5rem 0;
            position: relative;
        }

        .section-label {
            display: inline-block;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--neon-cyan);
            margin-bottom: 0.6rem;
        }

        .section-heading {
            font-size: 2.2rem;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.65;
            max-width: 700px;
            margin-bottom: 3rem;
        }

        @media (max-width: 768px) {
            .section-heading {
                font-size: 1.7rem;
            }
            .section {
                padding: 3rem 0;
            }
        }

        /* ==================== CAPABILITY OVERVIEW ==================== */
        .cap-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.8rem;
            align-items: start;
        }

        .cap-item {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(148, 163, 184, 0.08);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            transition: all var(--transition-smooth);
        }

        .cap-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--glass-border);
        }

        .cap-icon {
            font-size: 2.2rem;
            color: var(--neon-lime);
            margin-bottom: 1.2rem;
            display: inline-block;
        }

        .cap-item h3 {
            font-size: 1.3rem;
            margin-bottom: 0.5rem;
        }

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

        /* ==================== INDUSTRY SCENARIOS ==================== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .scenario-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(148, 163, 184, 0.08);
            transition: all var(--transition-smooth);
        }

        .scenario-card:hover {
            border-color: var(--glass-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .scenario-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .scenario-tag {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: rgba(244, 63, 94, 0.9);
            color: white;
            padding: 0.25rem 0.9rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        .scenario-body {
            padding: 1.5rem;
        }

        .scenario-body h3 {
            font-size: 1.2rem;
            margin-bottom: 0.4rem;
        }

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

        /* ==================== SOLUTION MATRIX ==================== */
        .solution-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            max-width: 900px;
            margin: 0 auto;
        }

        .solution-row {
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid rgba(148, 163, 184, 0.06);
            border-radius: var(--radius-md);
            padding: 1.5rem 2rem;
            transition: all var(--transition-smooth);
            gap: 1.5rem;
        }

        .solution-row:hover {
            border-color: var(--glass-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateX(5px);
        }

        .solution-index {
            font-size: 2rem;
            font-weight: 800;
            color: var(--neon-cyan);
            opacity: 0.8;
            min-width: 50px;
        }

        .solution-info h4 {
            font-size: 1.15rem;
            margin-bottom: 0.25rem;
        }

        .solution-info p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        @media (max-width: 600px) {
            .solution-row {
                flex-direction: column;
                text-align: center;
                padding: 1.5rem;
            }
        }

        /* ==================== CREDENTIALS WALL ==================== */
        .creds-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .cred-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 2rem 1rem;
            text-align: center;
            border: 1px solid rgba(148, 163, 184, 0.06);
        }

        .cred-item i {
            font-size: 2.5rem;
            color: var(--neon-lime);
            margin-bottom: 0.8rem;
        }

        .cred-item span {
            display: block;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
        }

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

        /* ==================== DELIVERY PROCESS ==================== */
        .process-track {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .process-step {
            flex: 1;
            min-width: 160px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            text-align: center;
            border: 1px solid rgba(148, 163, 184, 0.06);
            position: relative;
        }

        .process-step .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--btn-gradient-cyan);
            color: var(--text-dark);
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 0.8rem;
        }

        .process-step h4 {
            font-size: 1rem;
            margin-bottom: 0.3rem;
        }

        .process-step p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .process-arrow {
            color: var(--neon-cyan);
            font-size: 1.5rem;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .process-arrow {
                display: none;
            }
            .process-track {
                flex-direction: column;
            }
        }

        /* ==================== SUCCESS STORIES / EVIDENCE ==================== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
        }

        .testimonial-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 2rem;
            border: 1px solid rgba(148, 163, 184, 0.06);
            transition: all var(--transition-smooth);
        }

        .testimonial-card:hover {
            border-color: var(--glass-border);
            box-shadow: var(--shadow-card-hover);
        }

        .testimonial-card .quote {
            font-style: italic;
            color: var(--text-secondary);
            margin-bottom: 1.2rem;
            line-height: 1.6;
        }

        .testimonial-card .author {
            font-weight: 700;
            color: var(--neon-lime);
        }

        /* ==================== CMS NEWS SECTION ==================== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            align-items: start;
        }

        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }

        .news-item {
            display: flex;
            gap: 1.2rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 1.2rem;
            border: 1px solid rgba(148, 163, 184, 0.06);
            transition: all var(--transition-smooth);
            align-items: center;
        }

        .news-item:hover {
            border-color: var(--glass-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateX(4px);
        }

        .news-thumb {
            width: 90px;
            height: 70px;
            border-radius: var(--radius-sm);
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
            background-color: #1A1A2E;
        }

        .news-info h4 {
            font-size: 1rem;
            margin-bottom: 0.25rem;
            color: var(--text-primary);
        }

        .news-info .news-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .news-sidebar {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            border: 1px solid rgba(148, 163, 184, 0.08);
            position: sticky;
            top: 120px;
        }

        .news-sidebar h4 {
            margin-bottom: 1rem;
            font-size: 1.2rem;
            color: var(--neon-cyan);
        }

        .sidebar-item {
            padding: 0.7rem 0;
            border-bottom: 1px solid rgba(148, 163, 184, 0.1);
        }

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

        .sidebar-item a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: color var(--transition-fast);
        }

        .sidebar-item a:hover {
            color: var(--neon-lime);
        }

        @media (max-width: 900px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                position: static;
            }
        }

        /* ==================== INQUIRY FORM ==================== */
        .inquiry-section {
            background: radial-gradient(ellipse at center, rgba(6, 182, 212, 0.08) 0%, transparent 70%);
        }

        .form-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            max-width: 750px;
            margin: 0 auto;
            box-shadow: 0 20px 50px rgba(0,0,0,0.35);
        }

        .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            margin-bottom: 1.2rem;
        }

        .form-group {
            flex: 1;
            min-width: 220px;
        }

        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.4rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(148, 163, 184, 0.25);
            border-radius: var(--radius-sm);
            padding: 0.8rem 1rem;
            color: var(--text-primary);
            font-family: 'Plus Jakarta Sans', sans-serif;
            transition: all var(--transition-fast);
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--neon-cyan);
            box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
        }

        .btn-submit {
            background: var(--btn-gradient-pink);
            color: white;
            padding: 0.9rem 2.5rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-neon-pink);
            width: 100%;
            justify-content: center;
            margin-top: 0.5rem;
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(244, 63, 94, 0.5);
        }

        .privacy-note {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.8rem;
            margin-top: 1rem;
        }

        /* ==================== FOOTER ==================== */
        .site-footer {
            background: rgba(3, 3, 12, 0.9);
            border-top: 1px solid rgba(6, 182, 212, 0.2);
            padding: 3.5rem 0 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h5 {
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

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

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

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

        .footer-col ul li a:hover {
            color: var(--neon-lime);
        }

        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            border-top: 1px solid rgba(148, 163, 184, 0.12);
            padding-top: 1.5rem;
        }

        /* ==================== FAB ==================== */
        .fab-container {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
        }

        .fab-btn {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(7, 7, 13, 0.8);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 2px solid transparent;
            background-clip: padding-box;
            position: relative;
            color: var(--neon-cyan);
            font-size: 1.6rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 25px rgba(6, 182, 212, 0.3);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .fab-btn::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 18px;
            padding: 2px;
            background: linear-gradient(135deg, #06B6D4, #A3E635);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
        }

        .fab-btn:hover {
            transform: scale(1.08);
            box-shadow: 0 8px 35px rgba(6, 182, 212, 0.5);
        }

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

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: #F43F5E;
            border-radius: 50%;
            border: 2px solid white;
            animation: pulse-dot 1.5s infinite;
        }

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

        /* ==================== UTILS ==================== */
        .text-left { text-align: left; }
        .text-center { text-align: center; }
        .mb-0 { margin-bottom: 0; }
        .mt-2 { margin-top: 2rem; }
        .bg-darker { background-color: rgba(5, 5, 18, 0.7); }
        .px-2 { padding-left: 2rem; padding-right: 2rem; }

        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .hero-card-main h1 {
                font-size: 1.6rem;
            }
        }

/* roulang page: article */
:root {
            --bg-deep: #07070D;
            --bg-section: #0A0A15;
            --bg-card: rgba(15, 15, 30, 0.7);
            --bg-card-hover: rgba(25, 25, 50, 0.85);
            --glass-bg: rgba(8, 8, 25, 0.65);
            --glass-border: rgba(6, 182, 212, 0.25);
            --glass-border-hover: rgba(6, 182, 212, 0.6);
            --neon-cyan: #06B6D4;
            --neon-cyan-dim: #0891B2;
            --neon-lime: #A3E635;
            --neon-lime-dim: #84CC16;
            --neon-pink: #F43F5E;
            --neon-pink-dim: #E11D48;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --text-dark: #020617;
            --btn-gradient-cyan: linear-gradient(135deg, #06B6D4 0%, #38BDF8 50%, #06B6D4 100%);
            --btn-gradient-lime: linear-gradient(135deg, #A3E635 0%, #BEF264 50%, #A3E635 100%);
            --btn-gradient-pink: linear-gradient(135deg, #F43F5E 0%, #FB7185 50%, #F43F5E 100%);
            --shadow-neon-cyan: 0 4px 25px rgba(6, 182, 212, 0.35);
            --shadow-neon-lime: 0 4px 25px rgba(163, 230, 53, 0.35);
            --shadow-neon-pink: 0 4px 25px rgba(244, 63, 94, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 16px 48px rgba(6, 182, 212, 0.15);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: 80px;
        }

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

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

        button, .btn {
            cursor: pointer;
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 600;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-sm);
            padding: 0.75rem 1.8rem;
            font-size: 0.95rem;
        }

        .btn-primary {
            background: var(--btn-gradient-cyan);
            color: var(--text-dark);
            box-shadow: var(--shadow-neon-cyan);
            font-weight: 700;
        }

        .btn-primary:hover {
            box-shadow: 0 6px 30px rgba(6, 182, 212, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--neon-cyan);
            color: var(--neon-cyan);
        }

        .btn-outline:hover {
            background: rgba(6, 182, 212, 0.1);
            border-color: var(--text-primary);
            color: var(--text-primary);
        }

        .container {
            width: 100%;
            max-width: 1320px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width: 1200px) {
            .container {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(6, 182, 212, 0.18);
            transition: background var(--transition-smooth), border-color var(--transition-smooth);
            padding: 0.75rem 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.03em;
            flex-shrink: 0;
        }

        .logo i {
            font-size: 1.6rem;
            color: var(--neon-cyan);
            filter: drop-shadow(0 0 10px rgba(6, 182, 212, 0.7));
        }

        .logo span {
            background: linear-gradient(135deg, #06B6D4 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            font-weight: 600;
            font-size: 0.95rem;
        }

        .main-nav a {
            color: var(--text-secondary);
            padding: 0.45rem 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--text-primary);
            border-bottom-color: var(--neon-cyan);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.85rem;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            color: var(--neon-cyan);
            border: 1.5px solid rgba(6, 182, 212, 0.5);
            padding: 0.55rem 1.3rem;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
        }

        .btn-login:hover {
            background: rgba(6, 182, 212, 0.1);
            border-color: var(--neon-cyan);
            color: var(--text-primary);
        }

        .btn-signup {
            background: var(--btn-gradient-lime);
            color: var(--text-dark);
            padding: 0.55rem 1.5rem;
            font-size: 0.9rem;
            font-weight: 700;
            box-shadow: var(--shadow-neon-lime);
        }

        .btn-signup:hover {
            box-shadow: 0 6px 30px rgba(163, 230, 53, 0.5);
            transform: translateY(-2px);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 1.6rem;
            padding: 0.4rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--glass-border);
        }

        @media (max-width: 1024px) {
            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 300px;
                height: 100vh;
                background: rgba(7, 7, 13, 0.98);
                backdrop-filter: blur(24px);
                flex-direction: column;
                padding: 6rem 2rem 2rem;
                gap: 1.5rem;
                border-left: 1px solid var(--glass-border);
                transition: right var(--transition-smooth);
                z-index: 999;
            }
            .main-nav.active {
                right: 0;
            }
            .mobile-toggle {
                display: flex;
            }
            .header-actions {
                gap: 0.5rem;
            }
            .btn-login, .btn-signup {
                padding: 0.5rem 1rem;
                font-size: 0.85rem;
            }
        }

        /* Article Header */
        .article-header {
            padding: 3rem 0 2rem;
            background: linear-gradient(180deg, rgba(6, 182, 212, 0.08) 0%, transparent 100%);
            border-bottom: 1px solid var(--glass-border);
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
        }

        .article-meta .category {
            background: rgba(6, 182, 212, 0.15);
            color: var(--neon-cyan);
            padding: 0.3rem 1rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
        }

        .article-title {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2.5rem;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.02em;
        }

        .article-featured-image {
            margin-top: 2.5rem;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
        }

        @media (max-width: 768px) {
            .article-title {
                font-size: 1.8rem;
            }
        }

        /* Article Content */
        .article-body {
            padding: 4rem 0;
            background: var(--bg-section);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            align-items: start;
        }

        .article-content {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            border: 1px solid var(--glass-border);
        }

        .article-content h2 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            color: var(--text-primary);
        }

        .article-content h3 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.4rem;
            margin: 1.8rem 0 0.8rem;
            color: var(--text-secondary);
        }

        .article-content p {
            color: var(--text-secondary);
            margin-bottom: 1.2rem;
            line-height: 1.7;
        }

        .article-content ul, .article-content ol {
            margin: 1rem 0 1.5rem 1.5rem;
            color: var(--text-secondary);
        }

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

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 100px;
        }

        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 2rem;
            border: 1px solid var(--glass-border);
            margin-bottom: 2rem;
        }

        .sidebar-card h4 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
            color: var(--text-primary);
        }

        .sidebar-list {
            list-style: none;
        }

        .sidebar-list li {
            padding: 0.8rem 0;
            border-bottom: 1px solid rgba(148, 163, 184, 0.1);
        }

        .sidebar-list li:last-child {
            border-bottom: none;
        }

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

        .sidebar-list a:hover {
            color: var(--neon-cyan);
        }

        .cta-sidebar {
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(163, 230, 53, 0.1) 100%);
            text-align: center;
        }

        .cta-sidebar h4 {
            color: var(--neon-lime);
        }

        @media (max-width: 968px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                position: static;
            }
        }

        /* Related Articles */
        .related-section {
            padding: 4rem 0;
        }

        .section-title {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 2.5rem;
            color: var(--text-primary);
        }

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

        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--glass-border);
            transition: all var(--transition-smooth);
        }

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

        .related-card-img {
            height: 180px;
            overflow: hidden;
        }

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

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

        .related-card-body h4 {
            font-weight: 600;
            margin-bottom: 0.5rem;
            font-size: 1.05rem;
        }

        .related-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }

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

        /* CTA Section */
        .cta-section {
            padding: 4rem 0;
            background: linear-gradient(180deg, transparent 0%, rgba(6, 182, 212, 0.05) 100%);
        }

        .cta-box {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-xl);
            padding: 3rem;
            text-align: center;
        }

        .cta-box h3 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.8rem;
            margin-bottom: 1rem;
        }

        .cta-box p {
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }

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

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

        .footer-col h5 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.1rem;
            margin-bottom: 1.2rem;
            color: var(--text-primary);
        }

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

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

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

        .footer-col a:hover {
            color: var(--neon-cyan);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(148, 163, 184, 0.1);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

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

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAB */
        .fab-button {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 2px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 0 22px rgba(6, 182, 212, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-smooth);
            color: var(--neon-cyan);
            font-size: 1.6rem;
            animation: fabPulse 2.5s infinite ease-in-out;
        }

        @keyframes fabPulse {
            0%, 100% { box-shadow: 0 0 22px rgba(6, 182, 212, 0.5); }
            50% { box-shadow: 0 0 40px rgba(163, 230, 53, 0.7); }
        }

        .fab-button:hover {
            transform: scale(1.1);
            color: var(--neon-lime);
            border-color: var(--neon-lime);
        }

/* roulang page: category1 */
:root {
            --bg-deep: #07070D;
            --bg-section: #0A0A15;
            --bg-card: rgba(15, 15, 30, 0.7);
            --bg-card-hover: rgba(25, 25, 50, 0.85);
            --glass-bg: rgba(8, 8, 25, 0.65);
            --glass-border: rgba(6, 182, 212, 0.25);
            --glass-border-hover: rgba(6, 182, 212, 0.6);
            --neon-cyan: #06B6D4;
            --neon-cyan-dim: #0891B2;
            --neon-lime: #A3E635;
            --neon-lime-dim: #84CC16;
            --neon-pink: #F43F5E;
            --neon-pink-dim: #E11D48;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --text-dark: #020617;
            --btn-gradient-cyan: linear-gradient(135deg, #06B6D4 0%, #38BDF8 50%, #06B6D4 100%);
            --btn-gradient-lime: linear-gradient(135deg, #A3E635 0%, #BEF264 50%, #A3E635 100%);
            --btn-gradient-pink: linear-gradient(135deg, #F43F5E 0%, #FB7185 50%, #F43F5E 100%);
            --shadow-neon-cyan: 0 4px 25px rgba(6, 182, 212, 0.35);
            --shadow-neon-lime: 0 4px 25px rgba(163, 230, 53, 0.35);
            --shadow-neon-pink: 0 4px 25px rgba(244, 63, 94, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 16px 48px rgba(6, 182, 212, 0.15);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s 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: 'Plus Jakarta Sans', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, .btn {
            cursor: pointer;
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 600;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            position: relative;
            overflow: hidden;
        }
        .container {
            width: 100%;
            max-width: 1320px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }
        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(7, 7, 13, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(6, 182, 212, 0.18);
            transition: background var(--transition-smooth), border-color var(--transition-smooth);
            padding: 0.75rem 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.03em;
            flex-shrink: 0;
        }
        .logo i {
            font-size: 1.6rem;
            color: var(--neon-cyan);
            filter: drop-shadow(0 0 10px rgba(6, 182, 212, 0.7));
        }
        .logo span {
            background: linear-gradient(135deg, #06B6D4 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 1.8rem;
            list-style: none;
            font-weight: 600;
            font-size: 0.95rem;
        }
        .main-nav a {
            color: var(--text-secondary);
            padding: 0.45rem 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--text-primary);
            border-bottom-color: var(--neon-cyan);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }
        .btn-login {
            background: transparent;
            color: var(--neon-cyan);
            border: 1.5px solid var(--neon-cyan);
            padding: 0.55rem 1.2rem;
            border-radius: 999px;
            font-size: 0.9rem;
        }
        .btn-login:hover {
            background: rgba(6, 182, 212, 0.1);
            color: var(--text-primary);
            box-shadow: 0 0 15px rgba(6, 182, 212, 0.3);
        }
        .btn-signup {
            background: var(--btn-gradient-lime);
            color: var(--text-dark);
            padding: 0.55rem 1.4rem;
            border-radius: 999px;
            font-size: 0.9rem;
            box-shadow: var(--shadow-neon-lime);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 30px rgba(163, 230, 53, 0.5);
        }
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 1.8rem;
            padding: 0.25rem;
        }
        @media (max-width: 1024px) {
            .main-nav {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(10, 10, 21, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 1.5rem 2rem;
                gap: 1rem;
                border-bottom: 1px solid var(--glass-border);
                transform: translateY(-150%);
                opacity: 0;
                transition: transform 0.4s ease, opacity 0.3s ease;
                z-index: 999;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
            }
            .mobile-menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .header-actions {
                gap: 0.5rem;
            }
        }
        /* Page Hero */
        .page-hero {
            padding: 8rem 0 4rem;
            background: linear-gradient(180deg, #0A0A1E 0%, var(--bg-deep) 100%);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 40%, rgba(6, 182, 212, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .flash-deal-bar {
            background: linear-gradient(90deg, var(--neon-pink) 0%, #EA580C 100%);
            padding: 0.75rem 1.5rem;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
            animation: pulse 2s infinite;
            color: white;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(244, 63, 94, 0.7); }
            70% { box-shadow: 0 0 0 12px rgba(244, 63, 94, 0); }
            100% { box-shadow: 0 0 0 0 rgba(244, 63, 94, 0); }
        }
        .flash-deal-bar i {
            font-size: 1rem;
        }
        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        .hero-text h1 {
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 800;
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 1.25rem;
            background: linear-gradient(135deg, #FFFFFF 0%, #A3E635 70%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-text p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 1.5rem;
            line-height: 1.7;
        }
        .hero-text .btn-group {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .btn-cta-cyan {
            background: var(--btn-gradient-cyan);
            color: var(--text-dark);
            padding: 0.8rem 2rem;
            border-radius: 999px;
            font-size: 1rem;
            box-shadow: var(--shadow-neon-cyan);
        }
        .btn-cta-cyan:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 35px rgba(6, 182, 212, 0.55);
        }
        .btn-cta-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid var(--glass-border);
            padding: 0.8rem 2rem;
            border-radius: 999px;
            font-size: 1rem;
        }
        .btn-cta-outline:hover {
            border-color: var(--neon-cyan);
            background: rgba(6, 182, 212, 0.08);
        }
        .hero-visual {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .hero-visual img {
            border-radius: var(--radius-md);
            width: 100%;
            object-fit: cover;
        }
        .qr-download-box {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 1.25rem;
            display: flex;
            align-items: center;
            gap: 1.25rem;
            border: 1px solid var(--glass-border);
        }
        .qr-download-box i {
            font-size: 2.8rem;
            color: var(--neon-lime);
        }
        .qr-download-box p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
        }
        @media (max-width: 768px) {
            .hero-content {
                grid-template-columns: 1fr;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .flash-deal-bar {
                font-size: 0.8rem;
                padding: 0.5rem 1rem;
            }
        }
        /* Section Styles */
        .section {
            padding: 3.5rem 0;
        }
        .section-title {
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 700;
            font-size: 2rem;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }
        .section-sub {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 2.5rem;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }
        .card {
            background: var(--bg-card);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.75rem;
            transition: all var(--transition-smooth);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .card:hover {
            background: var(--bg-card-hover);
            border-color: var(--glass-border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .card-icon {
            font-size: 2rem;
            color: var(--neon-cyan);
            margin-bottom: 1rem;
        }
        .card h4 {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
        }
        .card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .card-img {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 1.25rem;
        }
        .process-list {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }
        .process-item {
            display: flex;
            align-items: flex-start;
            gap: 1.25rem;
            padding: 1.25rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--glass-border);
        }
        .process-num {
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--neon-lime);
            flex-shrink: 0;
        }
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .compare-col {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 2rem;
        }
        .compare-col h5 {
            font-size: 1.2rem;
            margin-bottom: 1.25rem;
        }
        .compare-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .compare-col ul li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--text-secondary);
        }
        .compare-col ul li i.fa-check {
            color: var(--neon-lime);
        }
        .compare-col ul li i.fa-times {
            color: var(--neon-pink);
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            transition: var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--neon-cyan);
        }
        .faq-q {
            font-weight: 700;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-a {
            color: var(--text-secondary);
            margin-top: 0.75rem;
            display: none;
        }
        .faq-item.active .faq-a {
            display: block;
        }
        /* CTA Strip */
        .cta-strip {
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(163, 230, 53, 0.05) 100%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
        }
        .cta-strip h3 {
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 700;
            font-size: 1.5rem;
        }
        /* Content List */
        .content-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .content-card {
            background: var(--bg-card);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-smooth);
        }
        .content-card:hover {
            border-color: var(--neon-cyan);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .content-card-img {
            height: 180px;
            overflow: hidden;
        }
        .content-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .content-card-body {
            padding: 1.25rem;
        }
        .content-card-body h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 0.5rem;
        }
        .content-card-body p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        /* Footer */
        .site-footer {
            background: var(--bg-section);
            border-top: 1px solid var(--glass-border);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h5 {
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-col ul li a:hover {
            color: var(--neon-cyan);
        }
        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.8rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--glass-border);
        }
        /* FAB */
        .fab-float {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(7, 7, 13, 0.8);
            backdrop-filter: blur(10px);
            border: 2px solid #A3E635;
            border-radius: 999px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #A3E635;
            font-size: 1.5rem;
            box-shadow: 0 0 20px rgba(163, 230, 53, 0.45);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .fab-float:hover {
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(163, 230, 53, 0.7);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .content-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-strip {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 640px) {
            .grid-3, .grid-2, .content-list, .comparison-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-hero {
                padding: 6rem 0 2.5rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #07070D;
            --bg-section: #0A0A15;
            --bg-card: rgba(15, 15, 30, 0.7);
            --bg-card-hover: rgba(25, 25, 50, 0.85);
            --glass-bg: rgba(8, 8, 25, 0.65);
            --glass-border: rgba(6, 182, 212, 0.25);
            --glass-border-hover: rgba(6, 182, 212, 0.6);
            --neon-cyan: #06B6D4;
            --neon-cyan-dim: #0891B2;
            --neon-lime: #A3E635;
            --neon-lime-dim: #84CC16;
            --neon-pink: #F43F5E;
            --neon-pink-dim: #E11D48;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --text-dark: #020617;
            --btn-gradient-cyan: linear-gradient(135deg, #06B6D4 0%, #38BDF8 50%, #06B6D4 100%);
            --btn-gradient-lime: linear-gradient(135deg, #A3E635 0%, #BEF264 50%, #A3E635 100%);
            --btn-gradient-pink: linear-gradient(135deg, #F43F5E 0%, #FB7185 50%, #F43F5E 100%);
            --shadow-neon-cyan: 0 4px 25px rgba(6, 182, 212, 0.35);
            --shadow-neon-lime: 0 4px 25px rgba(163, 230, 53, 0.35);
            --shadow-neon-pink: 0 4px 25px rgba(244, 63, 94, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 16px 48px rgba(6, 182, 212, 0.15);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        button, .btn {
            cursor: pointer;
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 600;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            position: relative;
            overflow: hidden;
        }

        .container {
            width: 100%;
            max-width: 1320px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(7, 7, 13, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(6, 182, 212, 0.18);
            transition: background var(--transition-smooth), border-color var(--transition-smooth);
            padding: 0.75rem 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.03em;
            flex-shrink: 0;
        }

        .logo i {
            font-size: 1.6rem;
            color: var(--neon-cyan);
            filter: drop-shadow(0 0 10px rgba(6, 182, 212, 0.7));
        }

        .logo span {
            background: linear-gradient(135deg, #06B6D4 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 1.8rem;
            list-style: none;
            font-weight: 600;
            font-size: 0.95rem;
        }

        .main-nav a {
            color: var(--text-secondary);
            padding: 0.45rem 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--text-primary);
            border-bottom-color: var(--neon-cyan);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            color: var(--neon-cyan);
            border: 1.5px solid var(--neon-cyan);
            padding: 0.55rem 1.4rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
        }

        .btn-login:hover {
            background: rgba(6, 182, 212, 0.1);
            box-shadow: 0 0 15px rgba(6, 182, 212, 0.3);
        }

        .btn-signup {
            background: var(--btn-gradient-cyan);
            color: var(--text-dark);
            padding: 0.55rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4);
        }

        .btn-signup:hover {
            box-shadow: 0 6px 25px rgba(6, 182, 212, 0.6);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.25rem;
        }

        /* Main */
        .page-main {
            padding-top: 5.5rem;
            padding-bottom: 3rem;
        }

        /* Hero */
        .hero-category {
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(163, 230, 53, 0.04) 100%);
            border-bottom: 1px solid var(--glass-border);
            padding: 4rem 0 3rem;
            text-align: left;
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-text h1 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1.2rem;
            background: linear-gradient(135deg, #06B6D4 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        .hero-stats {
            display: flex;
            gap: 2rem;
        }

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

        .stat-number {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            color: var(--neon-cyan);
        }

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

        .hero-visual {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 2rem;
            backdrop-filter: blur(12px);
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            align-items: center;
        }

        .hero-visual img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-neon-cyan);
        }

        .hero-visual .btn-primary {
            background: var(--btn-gradient-lime);
            color: var(--text-dark);
            padding: 0.9rem 2.5rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            box-shadow: var(--shadow-neon-lime);
            width: fit-content;
        }

        .hero-visual .btn-primary:hover {
            box-shadow: 0 8px 30px rgba(163, 230, 53, 0.5);
            transform: translateY(-2px);
        }

        /* Sections */
        .section {
            padding: 3.5rem 0;
        }

        .section-header {
            margin-bottom: 2.5rem;
        }

        .section-header h2 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 700px;
            line-height: 1.6;
        }

        /* Tips Grid */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .tip-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 2rem 1.5rem;
            backdrop-filter: blur(12px);
            transition: all var(--transition-smooth);
            text-align: left;
        }

        .tip-card:hover {
            border-color: var(--glass-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            background: var(--bg-card-hover);
        }

        .tip-icon {
            width: 55px;
            height: 55px;
            background: rgba(6, 182, 212, 0.15);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.2rem;
            font-size: 1.6rem;
            color: var(--neon-cyan);
            border: 1px solid rgba(6, 182, 212, 0.3);
        }

        .tip-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }

        .tip-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.65;
        }

        .tip-card .read-more {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--neon-cyan);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 1.2rem;
            transition: gap var(--transition-fast);
        }

        .tip-card .read-more:hover {
            gap: 0.8rem;
            color: var(--neon-lime);
        }

        /* Strategy Flow */
        .strategy-flow {
            background: var(--bg-section);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            align-items: start;
        }

        .flow-step {
            text-align: center;
            position: relative;
        }

        .flow-step::after {
            content: '';
            position: absolute;
            top: 30px;
            right: -25%;
            width: 50%;
            height: 2px;
            background: linear-gradient(90deg, rgba(6, 182, 212, 0.5), rgba(163, 230, 53, 0.5));
        }

        .flow-step:last-child::after {
            display: none;
        }

        .step-number {
            width: 60px;
            height: 60px;
            background: var(--btn-gradient-cyan);
            color: var(--text-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            margin: 0 auto 1rem;
            box-shadow: var(--shadow-neon-cyan);
        }

        .flow-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .flow-step p {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.5;
        }

        /* Comparison Table */
        .comparison-block {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }

        .compare-col {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 2.5rem 2rem;
            backdrop-filter: blur(12px);
        }

        .compare-col.best {
            border-color: var(--neon-lime);
            box-shadow: 0 0 30px rgba(163, 230, 53, 0.15);
            position: relative;
        }

        .best-badge {
            position: absolute;
            top: -12px;
            left: 2rem;
            background: var(--neon-lime);
            color: var(--text-dark);
            padding: 0.3rem 1.2rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        .compare-col h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
        }

        .compare-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .compare-col li {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .compare-col li i.fa-check-circle {
            color: var(--neon-lime);
        }

        .compare-col li i.fa-times-circle {
            color: var(--neon-pink-dim);
        }

        /* FAQ */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            backdrop-filter: blur(12px);
            transition: all var(--transition-smooth);
        }

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

        .faq-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }

        .faq-item p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(163, 230, 53, 0.05) 100%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 3.5rem 2rem;
            text-align: center;
        }

        .cta-section h2 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .cta-section p {
            color: var(--text-secondary);
            margin-bottom: 2rem;
            font-size: 1.05rem;
        }

        .btn-cta-large {
            background: var(--btn-gradient-pink);
            color: var(--text-primary);
            padding: 1rem 3rem;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 700;
            box-shadow: var(--shadow-neon-pink);
        }

        .btn-cta-large:hover {
            box-shadow: 0 8px 30px rgba(244, 63, 94, 0.5);
            transform: translateY(-2px);
        }

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

        .article-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .article-card:hover {
            border-color: var(--glass-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .article-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .article-body {
            padding: 1.5rem;
        }

        .article-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .article-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.55;
            margin-bottom: 1rem;
        }

        .article-meta {
            display: flex;
            justify-content: space-between;
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        .article-link {
            color: var(--neon-cyan);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }

        .article-link:hover {
            color: var(--neon-lime);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-section);
            border-top: 1px solid var(--glass-border);
            padding: 3.5rem 0 2rem;
            margin-top: 3rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-col h5 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
            color: var(--text-primary);
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }

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

        .footer-col a:hover {
            color: var(--neon-cyan);
        }

        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            border-top: 1px solid var(--glass-border);
            padding-top: 2rem;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: var(--bg-card);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(8, 8, 25, 0.9), rgba(8, 8, 25, 0.9)), linear-gradient(135deg, #A3E635, #06B6D4);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-cyan);
            font-size: 1.5rem;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            cursor: pointer;
            transition: all var(--transition-smooth);
            animation: fab-pulse 2.5s infinite;
        }

        @keyframes fab-pulse {
            0%, 100% { box-shadow: 0 0 20px rgba(6, 182, 212, 0.45); }
            50% { box-shadow: 0 0 35px rgba(6, 182, 212, 0.7); }
        }

        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 0 40px rgba(163, 230, 53, 0.6);
        }

        .fab .badge-dot {
            position: absolute;
            top: 8px;
            right: 8px;
            width: 14px;
            height: 14px;
            background: var(--neon-pink);
            border-radius: 50%;
            border: 2px solid var(--bg-deep);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .tips-grid, .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .strategy-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-step::after {
                display: none;
            }
            .comparison-block {
                grid-template-columns: 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .hero-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .hero-text h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(7, 7, 13, 0.96);
                backdrop-filter: blur(20px);
                padding: 1.5rem;
                gap: 1.2rem;
                border-bottom: 1px solid var(--glass-border);
            }
            .main-nav.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .header-actions {
                gap: 0.5rem;
            }
            .tips-grid, .articles-grid {
                grid-template-columns: 1fr;
            }
            .strategy-flow {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 480px) {
            .btn-login, .btn-signup {
                padding: 0.45rem 1rem;
                font-size: 0.8rem;
            }
            .logo {
                font-size: 1.1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #07070D;
            --bg-section: #0A0A15;
            --bg-card: rgba(15, 15, 30, 0.7);
            --bg-card-hover: rgba(25, 25, 50, 0.85);
            --glass-bg: rgba(8, 8, 25, 0.65);
            --glass-border: rgba(6, 182, 212, 0.25);
            --glass-border-hover: rgba(6, 182, 212, 0.6);
            --neon-cyan: #06B6D4;
            --neon-cyan-dim: #0891B2;
            --neon-lime: #A3E635;
            --neon-lime-dim: #84CC16;
            --neon-pink: #F43F5E;
            --neon-pink-dim: #E11D48;
            --neon-yellow: #FACC15;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --text-dark: #020617;
            --btn-gradient-cyan: linear-gradient(135deg, #06B6D4 0%, #38BDF8 50%, #06B6D4 100%);
            --btn-gradient-lime: linear-gradient(135deg, #A3E635 0%, #BEF264 50%, #A3E635 100%);
            --btn-gradient-pink: linear-gradient(135deg, #F43F5E 0%, #FB7185 50%, #F43F5E 100%);
            --btn-gradient-gold: linear-gradient(135deg, #FACC15 0%, #FDE68A 50%, #FACC15 100%);
            --shadow-neon-cyan: 0 4px 25px rgba(6, 182, 212, 0.35);
            --shadow-neon-lime: 0 4px 25px rgba(163, 230, 53, 0.35);
            --shadow-neon-pink: 0 4px 25px rgba(244, 63, 94, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 16px 48px rgba(6, 182, 212, 0.15);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
        }

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

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

        button,
        .btn {
            cursor: pointer;
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 600;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-md);
            padding: 0.75rem 1.75rem;
            font-size: 0.95rem;
        }

        .container {
            width: 100%;
            max-width: 1320px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(7, 7, 13, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(6, 182, 212, 0.18);
            transition: background var(--transition-smooth), border-color var(--transition-smooth);
            padding: 0.75rem 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.03em;
            flex-shrink: 0;
        }

        .logo i {
            font-size: 1.6rem;
            color: var(--neon-cyan);
            filter: drop-shadow(0 0 10px rgba(6, 182, 212, 0.7));
        }

        .logo span {
            background: linear-gradient(135deg, #06B6D4 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 1.8rem;
            list-style: none;
            font-weight: 600;
            font-size: 0.95rem;
            margin: 0;
            padding: 0;
        }

        .main-nav a {
            color: var(--text-secondary);
            padding: 0.45rem 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--text-primary);
            border-bottom-color: var(--neon-cyan);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            color: var(--neon-cyan);
            border: 1.5px solid var(--neon-cyan);
            padding: 0.55rem 1.4rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.9rem;
        }

        .btn-login:hover {
            background: rgba(6, 182, 212, 0.1);
            border-color: #38BDF8;
            color: #38BDF8;
        }

        .btn-signup {
            background: var(--btn-gradient-cyan);
            color: var(--text-dark);
            padding: 0.55rem 1.4rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-neon-cyan);
        }

        .btn-signup:hover {
            box-shadow: 0 6px 32px rgba(6, 182, 212, 0.5);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 0.25rem;
        }

        /* Hero */
        .hero-section {
            padding: 8rem 0 4rem;
            position: relative;
            background: radial-gradient(ellipse at 20% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 60%);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-text h1 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1.25rem;
            background: linear-gradient(135deg, #FFFFFF 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text .subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(250, 204, 21, 0.12);
            border: 1px solid rgba(250, 204, 21, 0.3);
            color: var(--neon-yellow);
            padding: 0.5rem 1.25rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
        }

        .hero-cta-group {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn-primary-gold {
            background: var(--btn-gradient-gold);
            color: var(--text-dark);
            font-weight: 700;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-md);
            box-shadow: 0 4px 24px rgba(250, 204, 21, 0.25);
        }

        .btn-primary-gold:hover {
            box-shadow: 0 8px 36px rgba(250, 204, 21, 0.45);
            transform: translateY(-2px);
        }

        .btn-outline-cyan {
            background: transparent;
            border: 1.5px solid var(--neon-cyan);
            color: var(--neon-cyan);
            padding: 0.85rem 2rem;
            border-radius: var(--radius-md);
            font-weight: 600;
        }

        .btn-outline-cyan:hover {
            background: rgba(6, 182, 212, 0.08);
        }

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

        .hero-doc-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            box-shadow: var(--shadow-card);
            width: 100%;
            max-width: 440px;
        }

        .doc-cover {
            width: 100%;
            border-radius: var(--radius-md);
            margin-bottom: 1.5rem;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(6, 182, 212, 0.2);
        }

        .doc-features {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .doc-features li {
            color: var(--text-secondary);
            font-size: 0.9rem;
            padding: 0.4rem 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .doc-features li i {
            color: var(--neon-lime);
            font-size: 0.75rem;
        }

        /* Stats Bar */
        .stats-bar {
            background: var(--bg-section);
            border-top: 1px solid rgba(6, 182, 212, 0.12);
            border-bottom: 1px solid rgba(6, 182, 212, 0.12);
            padding: 2.5rem 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }

        .stat-item .stat-number {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--neon-cyan);
            margin-bottom: 0.25rem;
        }

        .stat-item .stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
            font-weight: 500;
        }

        /* Promo Cards */
        .section-promos {
            padding: 5rem 0;
        }

        .section-header {
            text-align: left;
            margin-bottom: 3rem;
        }

        .section-header h2 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 600px;
        }

        .promo-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
        }

        .promo-card {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 2rem 1.75rem;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .promo-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--glass-border-hover);
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }

        .promo-card.hot {
            border-color: rgba(244, 63, 94, 0.4);
        }

        .promo-card.hot::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #F43F5E, #FACC15, #F43F5E);
        }

        .promo-tag {
            display: inline-block;
            padding: 0.3rem 0.9rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 1.25rem;
        }

        .tag-hot {
            background: rgba(244, 63, 94, 0.15);
            color: var(--neon-pink);
            border: 1px solid rgba(244, 63, 94, 0.3);
        }

        .tag-new {
            background: rgba(6, 182, 212, 0.15);
            color: var(--neon-cyan);
            border: 1px solid rgba(6, 182, 212, 0.3);
        }

        .tag-gold {
            background: rgba(250, 204, 21, 0.12);
            color: var(--neon-yellow);
            border: 1px solid rgba(250, 204, 21, 0.3);
        }

        .promo-card h3 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
        }

        .promo-card .promo-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 1.25rem;
            min-height: 4.5rem;
        }

        .promo-highlight {
            background: rgba(6, 182, 212, 0.08);
            border-radius: var(--radius-sm);
            padding: 0.75rem 1rem;
            margin-bottom: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .highlight-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .highlight-value {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--neon-cyan);
            font-family: 'Space Grotesk', sans-serif;
        }

        .btn-card-cta {
            width: 100%;
            background: var(--btn-gradient-cyan);
            color: var(--text-dark);
            font-weight: 700;
            border-radius: var(--radius-sm);
            padding: 0.7rem;
            font-size: 0.9rem;
        }

        .btn-card-cta:hover {
            box-shadow: var(--shadow-neon-cyan);
        }

        /* Event Timeline */
        .section-events {
            padding: 5rem 0;
            background: var(--bg-section);
        }

        .event-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            max-width: 900px;
            margin: 0 auto;
        }

        .event-item {
            display: flex;
            gap: 1.5rem;
            background: var(--bg-card);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 1.75rem 2rem;
            transition: all var(--transition-smooth);
            align-items: flex-start;
        }

        .event-item:hover {
            border-color: var(--glass-border-hover);
            background: var(--bg-card-hover);
        }

        .event-date {
            flex-shrink: 0;
            text-align: center;
            min-width: 70px;
        }

        .event-date .day {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            color: var(--neon-cyan);
            line-height: 1;
        }

        .event-date .month {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        .event-info h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 0.35rem;
        }

        .event-info p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin: 0;
        }

        .event-status {
            padding: 0.3rem 0.8rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-top: 0.5rem;
            display: inline-block;
        }

        .status-ongoing {
            background: rgba(163, 230, 53, 0.15);
            color: var(--neon-lime);
            border: 1px solid rgba(163, 230, 53, 0.3);
        }

        .status-upcoming {
            background: rgba(250, 204, 21, 0.1);
            color: var(--neon-yellow);
            border: 1px solid rgba(250, 204, 21, 0.3);
        }

        /* Vouchers */
        .section-vouchers {
            padding: 5rem 0;
        }

        .voucher-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .voucher-card {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
        }

        .voucher-card:hover {
            border-color: var(--neon-cyan);
            box-shadow: 0 0 28px rgba(6, 182, 212, 0.15);
            transform: translateY(-4px);
        }

        .voucher-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .voucher-amount {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--neon-yellow);
            margin-bottom: 0.4rem;
        }

        .voucher-name {
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 0.35rem;
        }

        .voucher-condition {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* FAQ */
        .section-faq {
            padding: 5rem 0;
            background: var(--bg-section);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

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

        .faq-question {
            width: 100%;
            background: transparent;
            color: var(--text-primary);
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border: none;
            cursor: pointer;
            border-radius: 0;
            gap: 1rem;
        }

        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            display: none;
        }

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

        .faq-item.active {
            border-color: var(--neon-cyan);
            box-shadow: 0 0 18px rgba(6, 182, 212, 0.12);
        }

        .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--neon-cyan);
        }

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

        /* CTA */
        .section-cta {
            padding: 5rem 0;
            text-align: center;
        }

        .cta-box {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-xl);
            padding: 3.5rem 2rem;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-box h2 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .cta-box p {
            color: var(--text-secondary);
            margin-bottom: 2rem;
            font-size: 1.05rem;
        }

        /* Sticky CTA */
        .sticky-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 990;
            background: rgba(7, 7, 13, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-top: 1px solid rgba(6, 182, 212, 0.25);
            padding: 0.85rem 0;
        }

        .sticky-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
        }

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

        .sticky-text span {
            color: var(--neon-yellow);
        }

        .btn-sticky-cta {
            background: var(--btn-gradient-pink);
            color: #fff;
            font-weight: 700;
            padding: 0.75rem 2.2rem;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            box-shadow: var(--shadow-neon-pink);
        }

        .btn-sticky-cta:hover {
            box-shadow: 0 6px 36px rgba(244, 63, 94, 0.55);
            transform: scale(1.03);
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 1.25rem;
            bottom: 6.5rem;
            z-index: 1100;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid rgba(6, 182, 212, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--neon-cyan);
            box-shadow: 0 0 22px rgba(6, 182, 212, 0.4);
            cursor: pointer;
            transition: all var(--transition-smooth);
            animation: floatPulse 3s ease-in-out infinite;
        }

        .fab-left:hover {
            box-shadow: 0 0 36px rgba(6, 182, 212, 0.65);
            transform: scale(1.1);
            border-color: var(--neon-lime);
            color: var(--neon-lime);
        }

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

        /* Footer */
        .site-footer {
            background: var(--bg-section);
            border-top: 1px solid rgba(6, 182, 212, 0.15);
            padding: 3.5rem 0 2rem;
            margin-bottom: 4rem;
        }

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

        .footer-col h5 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

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

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

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

        .footer-col ul li a:hover {
            color: var(--neon-cyan);
        }

        .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-visual {
                order: -1;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .promo-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .voucher-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(7, 7, 13, 0.95);
                backdrop-filter: blur(20px);
                padding: 1.5rem;
                gap: 1rem;
                border-bottom: 1px solid rgba(6, 182, 212, 0.2);
            }
            .main-nav.show {
                display: flex;
            }
            .mobile-toggle {
                display: flex;
            }
            .promo-grid {
                grid-template-columns: 1fr;
            }
            .voucher-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .event-item {
                flex-direction: column;
                gap: 0.5rem;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .sticky-inner {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .voucher-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-text h1 {
                font-size: 1.7rem;
            }
            .btn-login,
            .btn-signup {
                padding: 0.45rem 0.9rem;
                font-size: 0.8rem;
            }
            .fab-left {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                bottom: 7rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-deep: #07070D;
            --bg-section: #0A0A15;
            --bg-card: rgba(15, 15, 30, 0.7);
            --bg-card-hover: rgba(25, 25, 50, 0.85);
            --glass-bg: rgba(8, 8, 25, 0.65);
            --glass-border: rgba(6, 182, 212, 0.25);
            --glass-border-hover: rgba(6, 182, 212, 0.6);
            --neon-cyan: #06B6D4;
            --neon-cyan-dim: #0891B2;
            --neon-lime: #A3E635;
            --neon-lime-dim: #84CC16;
            --neon-pink: #F43F5E;
            --neon-pink-dim: #E11D48;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --text-dark: #020617;
            --btn-gradient-cyan: linear-gradient(135deg, #06B6D4 0%, #38BDF8 50%, #06B6D4 100%);
            --btn-gradient-lime: linear-gradient(135deg, #A3E635 0%, #BEF264 50%, #A3E635 100%);
            --btn-gradient-pink: linear-gradient(135deg, #F43F5E 0%, #FB7185 50%, #F43F5E 100%);
            --shadow-neon-cyan: 0 4px 25px rgba(6, 182, 212, 0.35);
            --shadow-neon-lime: 0 4px 25px rgba(163, 230, 53, 0.35);
            --shadow-neon-pink: 0 4px 25px rgba(244, 63, 94, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 16px 48px rgba(6, 182, 212, 0.15);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
            background-image: radial-gradient(ellipse at 20% 20%, rgba(6, 182, 212, 0.06) 0%, transparent 50%),
                              radial-gradient(ellipse at 80% 80%, rgba(163, 230, 53, 0.03) 0%, transparent 50%);
            padding-top: 80px;
        }

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

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

        button,
        .btn {
            cursor: pointer;
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 600;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            position: relative;
            overflow: hidden;
        }

        .container {
            width: 100%;
            max-width: 1320px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(7, 7, 13, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(6, 182, 212, 0.18);
            transition: background var(--transition-smooth), border-color var(--transition-smooth);
            padding: 0.75rem 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.03em;
            flex-shrink: 0;
        }

        .logo i {
            font-size: 1.6rem;
            color: var(--neon-cyan);
            filter: drop-shadow(0 0 10px rgba(6, 182, 212, 0.7));
        }

        .logo span {
            background: linear-gradient(135deg, #06B6D4 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 1.8rem;
            list-style: none;
            font-weight: 600;
            font-size: 0.95rem;
            margin-left: auto;
            margin-right: 1rem;
        }

        .main-nav a {
            color: var(--text-secondary);
            padding: 0.45rem 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--text-primary);
            border-bottom-color: var(--neon-cyan);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            color: var(--neon-cyan);
            border: 1.5px solid rgba(6, 182, 212, 0.5);
            padding: 0.55rem 1.2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
            box-shadow: var(--shadow-neon-cyan);
        }

        .btn-signup {
            background: var(--btn-gradient-cyan);
            color: var(--text-dark);
            padding: 0.55rem 1.4rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-neon-cyan);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 35px rgba(6, 182, 212, 0.5);
        }

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

        .section {
            padding: 4.5rem 0;
        }

        .section-sm {
            padding: 3rem 0;
        }

        .page-hero {
            position: relative;
            padding: 5rem 0 4rem;
            background: linear-gradient(180deg, rgba(10, 10, 21, 0.95) 0%, var(--bg-deep) 100%);
            border-bottom: 1px solid rgba(6, 182, 212, 0.1);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-5.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }

        .page-hero-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            align-items: center;
        }

        @media (min-width: 768px) {
            .page-hero-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        .page-hero-content h1 {
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 800;
            font-size: 2.6rem;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: 1.2rem;
            background: linear-gradient(135deg, #FFFFFF 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero-content .subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2rem;
        }

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

        .page-hero-visual img {
            border-radius: var(--radius-lg);
            max-height: 340px;
            object-fit: cover;
            box-shadow: var(--shadow-neon-cyan);
            border: 1px solid rgba(6, 182, 212, 0.2);
        }

        .btn-glow {
            background: var(--btn-gradient-lime);
            color: var(--text-dark);
            padding: 0.85rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-neon-lime);
        }

        .btn-glow:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 40px rgba(163, 230, 53, 0.5);
        }

        .promo-card-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .promo-card {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 2rem;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .promo-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--neon-cyan), var(--neon-lime));
            opacity: 0;
            transition: opacity var(--transition-fast);
        }

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

        .promo-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--glass-border-hover);
            transform: translateY(-5px);
            box-shadow: var(--shadow-card-hover);
        }

        .promo-badge {
            display: inline-flex;
            align-items: center;
            padding: 0.35rem 0.9rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
            width: fit-content;
        }

        .badge-hot {
            background: rgba(244, 63, 94, 0.15);
            color: var(--neon-pink);
            border: 1px solid rgba(244, 63, 94, 0.35);
        }

        .badge-new {
            background: rgba(6, 182, 212, 0.15);
            color: var(--neon-cyan);
            border: 1px solid rgba(6, 182, 212, 0.35);
        }

        .badge-exclusive {
            background: rgba(163, 230, 53, 0.12);
            color: var(--neon-lime);
            border: 1px solid rgba(163, 230, 53, 0.3);
        }

        .promo-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }

        .promo-card .promo-value {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--neon-lime);
            margin: 0.5rem 0;
        }

        .promo-card .promo-desc {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 1.5rem;
            flex-grow: 1;
        }

        .promo-card .promo-meta {
            font-size: 0.8rem;
            color: var(--text-secondary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: auto;
        }

        .comparison-section {
            background: var(--bg-section);
            border-top: 1px solid rgba(6, 182, 212, 0.12);
            border-bottom: 1px solid rgba(6, 182, 212, 0.12);
        }

        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

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

        .compare-box {
            background: var(--bg-card);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 2.2rem;
            position: relative;
        }

        .compare-box.best {
            border-color: rgba(163, 230, 53, 0.5);
            box-shadow: 0 0 30px rgba(163, 230, 53, 0.08);
        }

        .compare-box h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

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

        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.7rem;
            font-size: 0.95rem;
            color: var(--text-secondary);
        }

        .compare-list li i {
            margin-top: 0.2rem;
        }

        .icon-check {
            color: var(--neon-lime);
        }

        .icon-cross {
            color: var(--neon-pink);
        }

        .section-title {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 700px;
            margin-bottom: 2.5rem;
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }

        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            transition: all var(--transition-smooth);
        }

        .testimonial-card:hover {
            border-color: var(--glass-border-hover);
        }

        .testimonial-card .stars {
            color: #FBBF24;
            margin-bottom: 0.8em;
            letter-spacing: 2px;
        }

        .testimonial-card .quote {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            font-style: italic;
            margin-bottom: 1.2rem;
        }

        .testimonial-card .author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-primary);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            max-width: 850px;
            margin: 0 auto;
        }

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

        .faq-item summary {
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary i {
            transition: transform var(--transition-fast);
            color: var(--neon-cyan);
        }

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

        .faq-item .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .site-footer {
            background: var(--bg-section);
            border-top: 1px solid rgba(6, 182, 212, 0.15);
            padding: 3.5rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        .footer-col h5 {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
        }

        .footer-col a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--neon-cyan);
        }

        .footer-bottom {
            border-top: 1px solid rgba(6, 182, 212, 0.1);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 1.2rem;
                font-size: 0.88rem;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10, 10, 21, 0.97);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 1.2rem;
                gap: 0.3rem;
                border-bottom: 1px solid rgba(6, 182, 212, 0.15);
            }

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

            .mobile-toggle {
                display: block;
            }

            .page-hero-content h1 {
                font-size: 2rem;
            }
            .promo-card-list {
                grid-template-columns: 1fr;
            }
        }