/* roulang page: index */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: rgba(255, 215, 0, 0.4);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button:focus, a:focus, input:focus {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        /* Header & Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-gold);
            transition: background 0.3s ease;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--accent-gold);
            letter-spacing: -0.01em;
            line-height: 1.2;
            max-width: 280px;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), #B8860B);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0A2E1C;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-mint);
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.3s ease;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--accent-gold);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(255, 215, 0, 0.1);
        }
        .btn-signup {
            background: var(--accent-gold);
            border: none;
            color: #0A2E1C;
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.35);
        }
        .btn-signup:hover {
            background: #FFE44D;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 215, 0, 0.5);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 1.2rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-gold);
            padding: 16px 20px;
            gap: 8px;
        }
        .mobile-menu a {
            color: var(--text-mint);
            font-weight: 500;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        /* Hero */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.92) 0%, rgba(18, 62, 37, 0.88) 50%, rgba(10, 46, 28, 0.95) 100%);
            padding-top: 100px;
            padding-bottom: 80px;
            overflow: hidden;
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10,46,28,0.7) 0%, rgba(10,46,28,0.85) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-content {
            max-width: 720px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(211, 47, 47, 0.85);
            color: var(--text-white);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 24px;
        }
        .hero-badge i {
            color: var(--accent-gold);
        }
        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-white);
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        .hero h1 .highlight {
            color: var(--accent-gold);
            position: relative;
        }
        .hero-sub {
            font-size: 1.15rem;
            color: var(--text-mint);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 640px;
        }
        .hero-ctas {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 32px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-gold), #E6A800);
            color: #0A2E1C;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.4);
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(255, 215, 0, 0.55);
        }
        .btn-secondary {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .btn-secondary:hover {
            background: rgba(255, 215, 0, 0.1);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-gold);
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-mint);
        }
        .hero-countdown {
            display: flex;
            gap: 12px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .countdown-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 12px 18px;
            text-align: center;
            min-width: 70px;
        }
        .countdown-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.1;
        }
        .countdown-label {
            font-size: 0.75rem;
            color: var(--text-mint);
        }
        /* Section */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--secondary-bg);
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-block;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-mint);
            line-height: 1.7;
            max-width: 680px;
        }
        /* Trust badges */
        .trust-badges {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .trust-badge {
            display: flex;
            align-items: center;
            gap: 14px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: all 0.3s ease;
        }
        .trust-badge:hover {
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
            transform: translateY(-4px);
        }
        .trust-badge-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        .trust-badge-text h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 2px;
        }
        .trust-badge-text p {
            font-size: 0.85rem;
            color: var(--text-mint);
        }
        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            position: relative;
            transition: all 0.3s ease;
        }
        .step-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-6px);
            box-shadow: var(--shadow-gold);
        }
        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            margin-bottom: 16px;
        }
        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
        }
        .step-card p {
            font-size: 0.92rem;
            color: var(--text-mint);
            line-height: 1.6;
        }
        /* Reward preview */
        .reward-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .reward-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .reward-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-6px);
        }
        .reward-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .reward-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent-red);
            color: white;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
        }
        .reward-body {
            padding: 20px;
        }
        .reward-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .reward-body p {
            font-size: 0.9rem;
            color: var(--text-mint);
        }
        /* Progress */
        .progress-wrapper {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-xl);
            padding: 36px;
        }
        .progress-steps {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .progress-step {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .progress-dot {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--secondary-bg);
            border: 2px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-weight: 700;
        }
        .progress-dot.done {
            background: var(--accent-gold);
            color: #0A2E1C;
            border-color: var(--accent-gold);
        }
        .progress-bar-bg {
            height: 8px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            overflow: hidden;
            margin-bottom: 16px;
        }
        .progress-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-gold), #FFE44D);
            border-radius: 50px;
            width: 65%;
            transition: width 0.6s ease;
        }
        .progress-info {
            display: flex;
            justify-content: space-between;
            font-size: 0.9rem;
            color: var(--text-mint);
        }
        /* Info list */
        .info-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .info-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: all 0.3s ease;
        }
        .info-item:hover {
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.05);
        }
        .info-item i {
            color: var(--accent-gold);
            font-size: 1.1rem;
            width: 24px;
        }
        .info-item a {
            font-weight: 600;
            color: var(--text-white);
        }
        .info-item a:hover {
            color: var(--accent-gold);
        }
        .info-item span {
            font-size: 0.85rem;
            color: var(--text-mint);
            margin-left: auto;
        }
        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary-bg), #0A2E1C);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 14px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-mint);
            max-width: 560px;
            margin: 0 auto 28px;
        }
        /* Footer */
        .site-footer {
            background: #061C12;
            border-top: 1px solid var(--border-gold);
            padding: 60px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-mint);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--text-mint);
            padding: 6px 0;
        }
        .footer-col a:hover {
            color: var(--accent-gold);
            transform: translateX(4px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-mint);
        }
        .footer-bottom a {
            color: var(--accent-gold);
        }
        .footer-bottom a:hover {
            text-decoration: underline;
        }
        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #0A2E1C;
            border: 3px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            cursor: pointer;
            opacity: 0.7;
            transition: all 0.3s ease;
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }
        .fab:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--accent-red);
            border: 2px solid #0A2E1C;
            animation: blink 1.5s ease-in-out infinite;
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero h1 { font-size: 2.4rem; }
            .trust-badges { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .reward-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-toggle { display: flex; }
            .mobile-menu.open { display: flex; }
            .hero h1 { font-size: 1.9rem; }
            .hero-sub { font-size: 1rem; }
            .section { padding: 56px 0; }
            .section-title { font-size: 1.7rem; }
            .trust-badges { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .reward-grid { grid-template-columns: 1fr; }
            .info-list { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .cta-section { padding: 32px 20px; }
            .hero-countdown { gap: 8px; }
            .countdown-item { min-width: 56px; padding: 10px 12px; }
        }
        @media (max-width: 520px) {
            .header-inner { min-height: 60px; }
            .logo-link { font-size: 0.95rem; max-width: 200px; }
            .btn-login, .btn-signup { padding: 7px 14px; font-size: 0.8rem; }
            .hero { padding-top: 80px; padding-bottom: 56px; }
            .hero h1 { font-size: 1.6rem; }
            .hero-ctas { flex-direction: column; }
            .btn-primary, .btn-secondary { justify-content: center; width: 100%; }
            .hero-stats { gap: 16px; }
            .hero-stat-num { font-size: 1.3rem; }
        }

/* roulang page: article */
:root {
            --bg-deep: #08090F;
            --bg-card: #0D111E;
            --bg-elevated: #131A2A;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-hotpink: #FF007F;
            --accent-yellow: #FFFF00;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #64748B;
            --border-subtle: #1E293B;
            --border-active: #0052FF;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.15);
            --shadow-elevated: 0 12px 30px rgba(0, 0, 0, 0.45);
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(30, 41, 59, 0.7);
            transition: all 0.3s ease;
        }

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

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text-primary);
            flex-shrink: 0;
            max-width: 420px;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.35);
        }

        .logo-text {
            font-weight: 700;
            font-size: 15px;
            line-height: 1.3;
            letter-spacing: -0.01em;
            background: linear-gradient(135deg, #FFFFFF 0%, #CBD5E1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            margin: 0 auto;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: color 0.25s ease;
            position: relative;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            transition: width 0.3s ease;
            border-radius: 2px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #fff;
        }

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

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .btn-login {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
            transition: color 0.25s ease;
        }

        .btn-login:hover {
            color: #fff;
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), #0040C8);
            color: #fff;
            padding: 10px 22px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            box-shadow: 0 4px 14px rgba(0, 82, 255, 0.35);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-signup:hover {
            box-shadow: 0 6px 22px rgba(0, 82, 255, 0.55);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 24px;
            cursor: pointer;
            padding: 6px;
        }

        /* Mobile Menu */
        .mobile-menu {
            display: none;
            background: rgba(8, 9, 15, 0.98);
            border-top: 1px solid var(--border-subtle);
            padding: 16px 24px;
            flex-direction: column;
            gap: 14px;
        }

        .mobile-menu a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            border-bottom: 1px solid rgba(30, 41, 59, 0.5);
            transition: color 0.25s;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent-cyan);
        }

        /* Article Hero */
        .article-hero {
            padding: 48px 0 32px;
            background: linear-gradient(180deg, rgba(0, 82, 255, 0.08) 0%, transparent 100%);
            border-bottom: 1px solid var(--border-subtle);
        }

        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-cyan);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 16px;
        }

        .article-title {
            font-size: clamp(28px, 4.5vw, 44px);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 16px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            color: var(--text-muted);
            font-size: 14px;
            flex-wrap: wrap;
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            color: var(--accent-cyan);
            font-size: 13px;
        }

        /* Pull Quote */
        .pull-quote {
            background: var(--bg-card);
            border-left: 4px solid var(--accent-blue);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 22px 28px;
            margin: 28px 0;
            font-size: 18px;
            font-style: italic;
            color: var(--text-secondary);
            line-height: 1.7;
            position: relative;
        }

        .pull-quote::before {
            content: '\201C';
            position: absolute;
            top: -12px;
            left: 16px;
            font-size: 60px;
            color: rgba(0, 240, 255, 0.25);
            font-family: Georgia, serif;
            line-height: 1;
        }

        /* Article Body */
        .article-body {
            padding: 40px 0 64px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 36px;
            max-width: 820px;
        }

        .article-content {
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin: 36px 0 16px;
            line-height: 1.35;
        }

        .article-content h3 {
            font-size: 21px;
            font-weight: 600;
            color: #fff;
            margin: 28px 0 12px;
            line-height: 1.4;
        }

        .article-content p {
            margin-bottom: 18px;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .article-content li {
            position: relative;
            padding-left: 4px;
        }

        .article-content ul li::marker {
            color: var(--accent-cyan);
        }

        .article-content ol li::marker {
            color: var(--accent-blue);
            font-weight: 600;
        }

        .article-content a {
            color: var(--accent-cyan);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.25s;
        }

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

        .article-content img {
            max-width: 100%;
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-elevated);
        }

        .article-content blockquote {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin: 24px 0;
            font-style: italic;
            color: var(--text-primary);
            border: 1px solid var(--border-subtle);
        }

        .article-content code {
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-cyan);
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 14px;
            font-family: 'JetBrains Mono', 'Fira Code', monospace;
        }

        /* Not Found State */
        .not-found {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
        }

        .not-found i {
            font-size: 52px;
            color: var(--text-muted);
            margin-bottom: 20px;
            display: block;
        }

        .not-found h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-blue), #0040C8);
            color: #fff;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 4px 14px rgba(0, 82, 255, 0.35);
        }

        .btn-back-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 82, 255, 0.5);
        }

        /* CTA Section */
        .cta-section {
            padding: 64px 0;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.12) 0%, rgba(0, 240, 255, 0.06) 100%);
            border-radius: var(--radius-lg);
            margin: 0 0 64px;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-section p {
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 16px;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent-blue), #0040C8);
            color: #fff;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 15px;
            text-decoration: none;
            box-shadow: 0 6px 20px rgba(0, 82, 255, 0.4);
            transition: all 0.3s ease;
        }

        .btn-primary-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 82, 255, 0.55);
        }

        .btn-secondary-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            border: 1px solid var(--border-active);
            color: var(--accent-cyan);
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .btn-secondary-cta:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
        }

        /* Floating Action Button */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(8, 9, 15, 0.75);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid;
            border-image: linear-gradient(135deg, var(--accent-cyan), var(--accent-hotpink)) 1;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 22px;
            cursor: pointer;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4);
            opacity: 0.6;
            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            text-decoration: none;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.65);
        }

        .fab:active {
            transform: scale(0.95);
            border-image: linear-gradient(135deg, var(--accent-hotpink), var(--accent-yellow)) 1;
            box-shadow: 0 0 30px rgba(255, 0, 127, 0.55);
        }

        /* Footer */
        .site-footer {
            background: rgba(8, 9, 15, 0.95);
            border-top: 1px solid var(--border-subtle);
            padding: 56px 0 28px;
            margin-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.4;
        }

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

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            text-decoration: none;
            font-size: 14px;
            padding: 5px 0;
            transition: color 0.25s;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.25s;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 18px;
            }
            .nav-links a {
                font-size: 13px;
            }
            .logo-text {
                font-size: 13px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
                gap: 12px;
            }
            .nav-links {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .mobile-menu.open {
                display: flex;
            }
            .logo-text {
                font-size: 12px;
                max-width: 240px;
            }
            .btn-signup {
                padding: 8px 16px;
                font-size: 13px;
            }
            .btn-login {
                font-size: 13px;
            }
            .article-title {
                font-size: 26px;
            }
            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
            .pull-quote {
                font-size: 16px;
                padding: 18px 20px;
            }
            .article-content {
                font-size: 15px;
            }
            .article-content h2 {
                font-size: 22px;
            }
            .article-content h3 {
                font-size: 18px;
            }
            .cta-section {
                padding: 40px 20px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .fab {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 18px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .logo-text {
                font-size: 11px;
            }
            .nav-auth {
                gap: 8px;
            }
            .btn-signup {
                padding: 7px 12px;
                font-size: 12px;
            }
            .btn-login {
                font-size: 12px;
            }
            .article-title {
                font-size: 22px;
            }
            .article-category-badge {
                font-size: 11px;
                padding: 5px 12px;
            }
            .pull-quote {
                font-size: 14px;
                padding: 14px 16px;
            }
            .btn-primary-cta,
            .btn-secondary-cta {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0A2E1C;
            --secondary: #123E25;
            --gold: #FFD700;
            --luckyred: #D32F2F;
            --mint: #D1F2EB;
            --white: #FFFFFF;
            --text-strong: #FFFFFF;
            --text-soft: #D1F2EB;
            --border-gold: rgba(255, 215, 0, 0.4);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.15);
            --radius: 14px;
            --radius-sm: 8px;
            --space: 1rem;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background: var(--primary);
            color: var(--text-strong);
            line-height: 1.65;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, opacity 0.2s ease;
        }
        button, input, textarea, select {
            font: inherit;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        /* Header / Navigation */
        .site-header {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-gold);
            position: sticky;
            top: 0;
            z-index: 60;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 1.5rem;
        }
        .brand {
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.01em;
            color: var(--gold);
            line-height: 1.2;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            max-width: 360px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: var(--mint);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.5rem 0.25rem;
            position: relative;
            transition: color 0.2s ease;
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--gold);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--gold);
            color: var(--gold);
            padding: 0.5rem 1.25rem;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all 0.2s ease;
        }
        .btn-outline:hover {
            background: rgba(255, 215, 0, 0.1);
        }
        .btn-solid {
            background: var(--gold);
            color: var(--primary);
            padding: 0.5rem 1.4rem;
            border-radius: 30px;
            font-weight: 800;
            font-size: 0.9rem;
            transition: all 0.2s ease;
            box-shadow: var(--shadow-gold);
        }
        .btn-solid:hover {
            background: #ffe14d;
            transform: translateY(-1px);
        }
        .menu-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--gold);
            font-size: 1.8rem;
            cursor: pointer;
        }
        /* Hero */
        .hero {
            background: linear-gradient(135deg, #0A2E1C 0%, #0F3B25 50%, #123E25 100%);
            padding: 4rem 0 3rem;
            border-bottom: 1px solid var(--border-gold);
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255,215,0,0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 3rem;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-title {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--white);
            margin-bottom: 1rem;
        }
        .hero-title span {
            color: var(--gold);
        }
        .hero-sub {
            font-size: 1.15rem;
            color: var(--mint);
            margin-bottom: 1.8rem;
            max-width: 560px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255,215,0,0.12);
            border: 1px solid var(--gold);
            color: var(--gold);
            padding: 0.4rem 1rem;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            margin-bottom: 1.2rem;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-top: 1.5rem;
        }
        .btn-lg {
            padding: 0.85rem 2rem;
            font-size: 1rem;
            border-radius: 30px;
        }
        .data-panel {
            background: rgba(10, 46, 28, 0.75);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius);
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
            box-shadow: var(--shadow-gold);
        }
        .data-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255,215,0,0.15);
        }
        .data-row:last-child {
            border-bottom: none;
        }
        .data-label {
            color: var(--mint);
            font-size: 0.9rem;
        }
        .data-value {
            color: var(--gold);
            font-weight: 800;
            font-size: 1.1rem;
        }
        .data-badge {
            background: var(--luckyred);
            color: white;
            padding: 0.2rem 0.6rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 800;
        }
        /* Sections */
        .section {
            padding: 3.5rem 0;
        }
        .section-alt {
            background: var(--secondary);
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 2rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 900;
            color: var(--white);
            letter-spacing: -0.01em;
            line-height: 1.25;
        }
        .section-title span {
            color: var(--gold);
        }
        .section-desc {
            color: var(--mint);
            max-width: 600px;
            font-size: 1rem;
        }
        .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: rgba(18, 62, 37, 0.7);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius);
            padding: 1.75rem;
            transition: all 0.25s ease;
            box-shadow: 0 2px 8px rgba(0,0,0,0.2);
        }
        .card:hover {
            border-color: var(--gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }
        .card-icon {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: var(--gold);
        }
        .card h3 {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            color: var(--white);
        }
        .card p {
            color: var(--mint);
            font-size: 0.95rem;
            margin-bottom: 1rem;
        }
        .card-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        .card-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
            color: var(--mint);
            font-size: 0.9rem;
        }
        .card-list li::before {
            content: '✓';
            color: var(--gold);
            font-weight: 900;
            flex-shrink: 0;
        }
        .tag {
            display: inline-block;
            background: var(--luckyred);
            color: white;
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-left: 0.5rem;
        }
        /* Steps */
        .steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
            counter-reset: step;
        }
        .step-item {
            background: rgba(18, 62, 37, 0.7);
            border-left: 3px solid var(--gold);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            padding: 1.25rem 1.25rem 1.25rem 1.5rem;
            position: relative;
        }
        .step-item::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: -0.8rem;
            left: 1rem;
            background: var(--gold);
            color: var(--primary);
            width: 2rem;
            height: 2rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1rem;
        }
        .step-item h4 {
            margin-top: 0.5rem;
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--white);
        }
        .step-item p {
            color: var(--mint);
            font-size: 0.85rem;
            margin-top: 0.4rem;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            max-width: 800px;
        }
        .faq-item {
            background: rgba(18, 62, 37, 0.7);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .faq-item:hover {
            border-color: var(--gold);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--white);
            gap: 1rem;
        }
        .faq-question .icon {
            color: var(--gold);
            font-size: 1.4rem;
            flex-shrink: 0;
            transition: transform 0.2s ease;
        }
        .faq-item.open .faq-question .icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            color: var(--mint);
            font-size: 0.95rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            margin-top: 0.8rem;
        }
        /* CTA */
        .cta-band {
            background: linear-gradient(135deg, #0F3B25, #123E25);
            border: 1px solid var(--gold);
            border-radius: var(--radius);
            padding: 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,215,0,0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-band h2 {
            font-size: 1.9rem;
            font-weight: 900;
            color: var(--white);
            margin-bottom: 1rem;
            position: relative;
        }
        .cta-band p {
            color: var(--mint);
            margin-bottom: 1.5rem;
            position: relative;
        }
        /* Footer */
        .site-footer {
            background: #071f13;
            border-top: 1px solid var(--border-gold);
            padding: 2.5rem 0 1.5rem;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand h3 {
            color: var(--gold);
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            line-height: 1.4;
        }
        .footer-brand p {
            color: var(--mint);
            font-size: 0.85rem;
        }
        .footer-col h4 {
            color: var(--gold);
            font-weight: 800;
            margin-bottom: 0.75rem;
            font-size: 0.95rem;
        }
        .footer-col a {
            display: block;
            color: var(--mint);
            font-size: 0.85rem;
            margin-bottom: 0.5rem;
        }
        .footer-col a:hover {
            color: var(--gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,215,0,0.2);
            padding-top: 1.25rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 0.75rem;
            color: var(--mint);
            font-size: 0.8rem;
        }
        .footer-bottom a {
            color: var(--gold);
        }
        /* FAB */
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: #0A2E1C;
            border: 2px solid var(--gold);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            cursor: pointer;
            opacity: 0.7;
            transition: all 0.25s ease;
            animation: floatPulse 2.5s ease-in-out infinite;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
        }
        .fab-left:active {
            transform: scale(0.95);
        }
        @keyframes floatPulse {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid { grid-template-columns: 1fr; gap: 2rem; }
            .hero-title { font-size: 2.1rem; }
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
            .steps { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-wrap { flex-wrap: wrap; padding: 0.75rem 0; }
            .brand { max-width: 100%; font-size: 1rem; }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 0.25rem;
                background: rgba(10,46,28,0.98);
                padding: 1rem;
                border-radius: 0 0 var(--radius) var(--radius);
                border: 1px solid var(--border-gold);
                margin-top: 0.5rem;
            }
            .nav-links.open { display: flex; }
            .nav-actions { margin-left: auto; }
            .menu-toggle { display: block; }
            .hero { padding: 2.5rem 0 2rem; }
            .hero-title { font-size: 1.8rem; }
            .grid-3 { grid-template-columns: 1fr; }
            .grid-2 { grid-template-columns: 1fr; }
            .steps { grid-template-columns: 1fr; }
            .section-header { flex-direction: column; align-items: flex-start; }
            .section-title { font-size: 1.6rem; }
            .cta-band { padding: 1.8rem 1.25rem; }
            .cta-band h2 { font-size: 1.4rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
            .footer-bottom { flex-direction: column; }
            .fab-left { bottom: 4.5rem; width: 46px; height: 46px; font-size: 1.2rem; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 1rem; }
            .hero-title { font-size: 1.5rem; }
            .hero-sub { font-size: 1rem; }
            .btn-lg { padding: 0.7rem 1.5rem; font-size: 0.9rem; }
            .section { padding: 2.5rem 0; }
            .card { padding: 1.25rem; }
            .nav-actions .btn-outline { padding: 0.4rem 0.9rem; font-size: 0.8rem; }
            .nav-actions .btn-solid { padding: 0.4rem 1rem; font-size: 0.8rem; }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #0F0C20;
            --secondary-bg: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --border-glow: rgba(0, 240, 255, 0.4);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-lime: 0 0 15px rgba(204, 255, 0, 0.4);
            --radius-card: 16px;
            --radius-btn: 12px;
            --spacing-section: 5rem;
            --spacing-container: 2rem;
            --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

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

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all 0.3s ease;
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 12, 32, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0;
            gap: 1.5rem;
        }

        .navbar .logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
            line-height: 1.2;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            flex-wrap: wrap;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-silver);
            padding: 0.5rem 0.75rem;
            border-radius: 8px;
            transition: all 0.3s ease;
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
        }

        .nav-links a.active {
            color: var(--accent-lime);
            font-weight: 700;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0.75rem;
            right: 0.75rem;
            height: 2px;
            background: var(--accent-lime);
            box-shadow: 0 0 8px var(--accent-lime);
            border-radius: 2px;
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            white-space: nowrap;
        }

        .btn-login {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            padding: 0.6rem 1.25rem;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: all 0.3s ease;
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: var(--primary-bg);
            font-weight: 700;
            padding: 0.6rem 1.5rem;
            border-radius: var(--radius-btn);
            box-shadow: 0 4px 20px rgba(0, 240, 255, 0.3);
            transition: all 0.3s ease;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 240, 255, 0.5);
        }

        /* Mobile Nav Toggle */
        .nav-toggle {
            display: none;
            background: transparent;
            color: var(--text-white);
            font-size: 1.5rem;
            padding: 0.5rem;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .nav-toggle:hover {
            color: var(--accent-cyan);
        }

        /* Hero Section */
        .hero {
            padding: 4rem 0 3.5rem;
            background: radial-gradient(ellipse at 30% 20%, rgba(0, 240, 255, 0.15) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 80%, rgba(204, 255, 0, 0.1) 0%, transparent 60%),
                        var(--primary-bg);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: linear-gradient(rgba(0, 240, 255, 0.05) 1px, transparent 1px),
                              linear-gradient(90deg, rgba(0, 240, 255, 0.05) 1px, transparent 1px);
            background-size: 50px 50px;
            pointer-events: none;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(0, 240, 255, 0.15);
            border: 1px solid rgba(0, 240, 255, 0.4);
            color: var(--accent-cyan);
            padding: 0.5rem 1.25rem;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
        }

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

        @keyframes pulse-icon {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(1.15); }
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 1.25rem;
            background: linear-gradient(135deg, #FFFFFF 30%, var(--accent-cyan) 70%, var(--accent-lime) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 650px;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: var(--primary-bg);
            font-weight: 800;
            padding: 0.9rem 2rem;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            box-shadow: 0 6px 25px rgba(0, 240, 255, 0.35);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 240, 255, 0.55);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            padding: 0.9rem 2rem;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-secondary:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }

        .hero-image-wrapper {
            position: relative;
            z-index: 2;
            margin-top: 3rem;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 240, 255, 0.15);
            border: 1px solid rgba(0, 240, 255, 0.3);
        }

        .hero-image-wrapper img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }

        .hero-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1.5rem;
            background: linear-gradient(transparent, rgba(15, 12, 32, 0.95));
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .hero-image-overlay h2 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
        }

        .hero-image-overlay span {
            color: var(--accent-lime);
            font-weight: 600;
            font-size: 0.9rem;
        }

        /* Stats Section */
        .stats-section {
            padding: 3.5rem 0;
            background: var(--secondary-bg);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            text-align: center;
        }

        .stat-item {
            padding: 1.5rem;
            border-radius: var(--radius-card);
            background: rgba(15, 12, 32, 0.6);
            border: 1px solid rgba(0, 240, 255, 0.2);
            transition: all 0.3s ease;
        }

        .stat-item:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: var(--shadow-neon);
            transform: translateY(-4px);
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: block;
            margin-bottom: 0.5rem;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-silver);
            font-weight: 500;
        }

        /* Section Styles */
        .section {
            padding: var(--spacing-section) 0;
        }

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

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 0.75rem;
            color: var(--text-white);
        }

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

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

        /* Service Matrix */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }

        .service-card {
            background: rgba(15, 12, 32, 0.8);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-card);
            padding: 2rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .service-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 10px 40px rgba(0, 240, 255, 0.2);
            transform: translateY(-4px);
        }

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

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid rgba(0, 240, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-cyan);
            margin-bottom: 1.25rem;
            transition: all 0.3s ease;
        }

        .service-card:hover .service-icon {
            background: rgba(0, 240, 255, 0.2);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
        }

        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-white);
        }

        .service-card p {
            font-size: 0.95rem;
            color: var(--text-silver);
            line-height: 1.7;
        }

        .service-tag {
            display: inline-block;
            background: rgba(204, 255, 0, 0.15);
            color: var(--accent-lime);
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 700;
            margin-top: 1rem;
        }

        /* Comparison Section */
        .comparison-section {
            background: var(--secondary-bg);
            border-radius: var(--radius-card);
            padding: 3rem;
            margin: 0 auto;
            max-width: 1000px;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

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

        .comparison-col {
            padding: 2rem;
            border-radius: 12px;
            background: rgba(15, 12, 32, 0.6);
        }

        .comparison-col h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .comparison-col.problem h3 {
            color: #FF6B6B;
        }

        .comparison-col.solution h3 {
            color: var(--accent-lime);
        }

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

        .comparison-col li {
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.95rem;
            color: var(--text-silver);
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
        }

        .comparison-col li:last-child {
            border-bottom: none;
        }

        .comparison-col li i {
            margin-top: 0.2rem;
            font-size: 1rem;
        }

        .comparison-col.problem li i {
            color: #FF6B6B;
        }

        .comparison-col.solution li i {
            color: var(--accent-lime);
        }

        /* Steps Section */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
            max-width: 850px;
        }

        .step-item {
            display: flex;
            gap: 1.5rem;
            align-items: flex-start;
            padding: 1.5rem;
            background: rgba(15, 12, 32, 0.7);
            border-radius: var(--radius-card);
            border: 1px solid rgba(0, 240, 255, 0.2);
            transition: all 0.3s ease;
        }

        .step-item:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 6px 30px rgba(0, 240, 255, 0.15);
        }

        .step-number {
            flex-shrink: 0;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: var(--primary-bg);
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.4);
        }

        .step-content h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-white);
        }

        .step-content p {
            font-size: 0.95rem;
            color: var(--text-silver);
            line-height: 1.7;
        }

        /* FAQ Section */
        .faq-section {
            background: var(--secondary-bg);
            border-radius: var(--radius-card);
            padding: 3rem;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .faq-item {
            background: rgba(15, 12, 32, 0.6);
            border-radius: 12px;
            border: 1px solid rgba(0, 240, 255, 0.15);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.4);
        }

        .faq-question {
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-white);
            transition: all 0.3s ease;
        }

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

        .faq-question i {
            transition: transform 0.3s ease;
            color: var(--accent-cyan);
            font-size: 0.9rem;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.5rem;
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 1.5rem;
        }

        /* CTA Section */
        .cta-section {
            padding: 4rem 0;
            background: radial-gradient(ellipse at center, rgba(0, 240, 255, 0.15) 0%, transparent 70%),
                        var(--primary-bg);
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
        }

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

        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: var(--text-white);
        }

        .cta-box p {
            font-size: 1.05rem;
            color: var(--text-silver);
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: #0A0818;
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            padding: 3rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.3;
        }

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

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text-white);
        }

        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--text-silver);
            margin-bottom: 0.6rem;
            transition: all 0.3s ease;
        }

        .footer-col a:hover {
            color: var(--accent-cyan);
            padding-left: 0.3rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-silver);
        }

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

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

        /* FAB - Cyber & Neon Style */
        .fab-cyber {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), 
                              linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-cyan);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            opacity: 0.6;
            transition: all 0.3s ease;
            animation: fab-breathing 3s infinite;
        }

        .fab-cyber:hover {
            opacity: 1;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.8), 0 0 60px rgba(0, 240, 255, 0.3);
            transform: scale(1.1);
            color: var(--accent-lime);
        }

        .fab-cyber:active {
            transform: scale(0.95);
            border-color: var(--accent-lime);
        }

        .fab-cyber .notification-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #FF007F;
            border: 2px solid var(--primary-bg);
            animation: blink-dot 1.5s infinite;
        }

        @keyframes fab-breathing {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 0.8; }
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 3.5rem;
                --spacing-container: 1.25rem;
            }

            .nav-toggle {
                display: block;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(15, 12, 32, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                align-items: stretch;
                padding: 1rem 1.25rem;
                gap: 0.5rem;
                border-bottom: 1px solid rgba(0, 240, 255, 0.2);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }

            .nav-links.mobile-open {
                display: flex;
            }

            .nav-links a {
                padding: 0.75rem 1rem;
                font-size: 1rem;
            }

            .nav-auth {
                margin-left: auto;
            }

            .btn-login, .btn-signup {
                padding: 0.5rem 1rem;
                font-size: 0.85rem;
            }

            .hero h1 {
                font-size: 1.8rem;
            }

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

            .hero-image-wrapper img {
                height: 200px;
            }

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

            .comparison-section, .faq-section {
                padding: 1.5rem;
            }

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

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

            .fab-cyber {
                width: 50px;
                height: 50px;
                left: 0.75rem;
                bottom: 5rem;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.5rem;
            }

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

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

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

            .stat-number {
                font-size: 1.6rem;
            }

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

            .step-item {
                flex-direction: column;
                gap: 0.75rem;
            }

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

/* roulang page: category3 */
:root {
            --primary-bg: #0F0C20;
            --secondary-bg: #0B1A30;
            --accent-1: #CCFF00;
            --accent-2: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --border-color: #1E293B;
            --card-bg: #111827;
            --card-hover: #1A2438;
            --danger: #FF3366;
            --success: #22C55E;
            --warning: #F59E0B;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
            --shadow-neon: 0 0 20px rgba(0,240,255,0.5);
            --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
        }

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

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

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

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(15, 12, 32, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(15, 12, 32, 0.98);
            box-shadow: 0 4px 24px rgba(0,0,0,0.5);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            gap: 24px;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .logo .highlight {
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .nav-links a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
            transition: var(--transition);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
            transition: var(--transition);
            border-radius: 2px;
        }

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

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
        }

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

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            color: #0F0C20;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 12px rgba(0,240,255,0.3);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0,240,255,0.5);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 4px;
        }

        /* Hero Section */
        .hero {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, #0F0C20 0%, #0B1A30 50%, #1E0B36 100%);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0,240,255,0.1), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(204,255,0,0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0,240,255,0.1);
            border: 1px solid rgba(0,240,255,0.3);
            color: var(--accent-2);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 20px;
        }

        .hero-badge i {
            font-size: 0.7rem;
        }

        .hero h1 {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero h1 .gradient-text {
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 540px;
            line-height: 1.7;
        }

        .countdown-ring {
            display: flex;
            align-items: center;
            gap: 24px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .ring-progress {
            position: relative;
            width: 100px;
            height: 100px;
            flex-shrink: 0;
        }

        .ring-progress svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }

        .ring-progress circle {
            fill: none;
            stroke-width: 8;
            stroke-linecap: round;
        }

        .ring-progress .ring-bg {
            stroke: rgba(255,255,255,0.1);
        }

        .ring-progress .ring-fg {
            stroke: url(#gradient-ring);
            stroke-dasharray: 283;
            stroke-dashoffset: 70;
            animation: ringPulse 2s ease-in-out infinite;
        }

        @keyframes ringPulse {
            0%, 100% { stroke-dashoffset: 70; }
            50% { stroke-dashoffset: 80; }
        }

        .ring-center {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-2);
        }

        .ring-center span {
            font-size: 0.6rem;
            color: var(--text-secondary);
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .countdown-info {
            flex: 1;
        }

        .countdown-info h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .countdown-info p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }

        .hero-points {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .hero-point {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--text-secondary);
            transition: var(--transition);
            cursor: pointer;
        }

        .hero-point.active {
            background: var(--accent-2);
            box-shadow: 0 0 10px rgba(0,240,255,0.6);
            width: 24px;
            border-radius: 4px;
        }

        .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            color: #0F0C20;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(0,240,255,0.4);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(0,240,255,0.6);
        }

        .btn-secondary {
            background: rgba(255,255,255,0.08);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.2);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-secondary:hover {
            background: rgba(255,255,255,0.15);
            border-color: rgba(255,255,255,0.4);
            transform: translateY(-2px);
        }

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

        .hero-visual img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(0,240,255,0.2);
            max-width: 100%;
            height: auto;
        }

        .hero-visual::before {
            content: '';
            position: absolute;
            inset: -20px;
            background: linear-gradient(135deg, rgba(0,240,255,0.05), rgba(204,255,0,0.05));
            border-radius: 40px;
            z-index: -1;
        }

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

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

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

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
        }

        /* Stats Dashboard */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

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

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
            opacity: 0;
            transition: var(--transition);
        }

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

        .stat-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0,240,255,0.3);
            box-shadow: var(--shadow-md);
        }

        .stat-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            margin-bottom: 16px;
            background: rgba(0,240,255,0.1);
            color: var(--accent-2);
        }

        .stat-value {
            font-size: 2.25rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 4px;
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        .stat-change {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--success);
            margin-top: 8px;
        }

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

        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            transition: var(--transition);
            position: relative;
        }

        .service-card:hover {
            border-color: rgba(0,240,255,0.4);
            box-shadow: var(--shadow-neon);
            transform: translateY(-4px);
        }

        .service-card .service-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
            background: linear-gradient(135deg, rgba(204,255,0,0.1), rgba(0,240,255,0.1));
            color: var(--accent-1);
        }

        .service-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .service-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .service-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .service-card ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .service-card ul li i {
            color: var(--accent-2);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* Comparison Section */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

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

        .comparison-card.before {
            border-left: 4px solid var(--danger);
        }

        .comparison-card.after {
            border-left: 4px solid var(--success);
        }

        .comparison-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .comparison-card.before h3 i {
            color: var(--danger);
        }

        .comparison-card.after h3 i {
            color: var(--success);
        }

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

        .comparison-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 14px;
            line-height: 1.5;
        }

        .comparison-card.before .comparison-list li i {
            color: var(--danger);
            margin-top: 4px;
        }

        .comparison-card.after .comparison-list li i {
            color: var(--success);
            margin-top: 4px;
        }

        /* Process Steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .process-step {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px 16px;
            text-align: center;
            transition: var(--transition);
            position: relative;
        }

        .process-step:hover {
            border-color: rgba(0,240,255,0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            color: #0F0C20;
            font-weight: 800;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }

        .process-step h3 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

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

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

        .faq-item:hover {
            border-color: rgba(0,240,255,0.3);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 700;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            text-align: left;
            transition: var(--transition);
        }

        .faq-question:hover {
            background: rgba(255,255,255,0.03);
        }

        .faq-question i {
            color: var(--accent-2);
            font-size: 0.9rem;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer p {
            padding: 0 24px 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary-bg), var(--primary-bg));
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0,240,255,0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        .cta-section .hero-cta {
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-bg);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 24px;
            margin-top: 80px;
        }

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

        .footer-brand h3 {
            font-size: 1rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.4;
        }

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

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 12px;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent-2);
            transform: translateX(4px);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .footer-bottom a {
            color: var(--text-secondary);
            text-decoration: underline;
        }

        .footer-bottom a:hover {
            color: var(--accent-2);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0,0,0,0.7);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), linear-gradient(135deg, var(--accent-1), var(--accent-2));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 15px rgba(0,240,255,0.3);
            animation: fabBreathing 3s ease-in-out infinite;
        }

        @keyframes fabBreathing {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 1; }
        }

        .fab:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 0 25px rgba(0,240,255,0.6);
            animation: none;
        }

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

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

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .hero h1 {
                font-size: 2.25rem;
            }
            
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
            }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--primary-bg);
                border-bottom: 1px solid var(--border-color);
                padding: 16px 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
                box-shadow: var(--shadow-md);
            }
            
            .nav-links.open {
                display: flex;
            }
            
            .mobile-toggle {
                display: block;
            }
            
            .nav-actions {
                margin-left: auto;
            }
            
            .hero {
                padding: 60px 0 40px;
            }
            
            .hero h1 {
                font-size: 1.75rem;
            }
            
            .hero-subtitle {
                font-size: 1rem;
            }
            
            .countdown-ring {
                gap: 16px;
            }
            
            .ring-progress {
                width: 80px;
                height: 80px;
            }
            
            .section {
                padding: 60px 0;
            }
            
            .section-header h2 {
                font-size: 1.5rem;
            }
            
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            
            .services-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            
            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            
            .cta-section {
                padding: 48px 24px;
            }
            
            .cta-section h2 {
                font-size: 1.5rem;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            
            .nav-wrapper {
                padding: 12px 0;
                gap: 12px;
            }
            
            .logo {
                font-size: 1rem;
            }
            
            .btn-login {
                font-size: 0.8rem;
                padding: 6px 12px;
            }
            
            .btn-signup {
                font-size: 0.8rem;
                padding: 8px 16px;
            }
            
            .hero h1 {
                font-size: 1.5rem;
            }
            
            .hero-cta {
                flex-direction: column;
                align-items: stretch;
            }
            
            .btn-primary,
            .btn-secondary {
                justify-content: center;
                text-align: center;
            }
            
            .process-steps {
                grid-template-columns: 1fr;
            }
            
            .stat-value {
                font-size: 1.75rem;
            }
            
            .faq-question {
                font-size: 0.9rem;
                padding: 16px 20px;
            }
            
            .fab {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1rem;
            }
        }