/* roulang page: index */
:root {
            --bg-deep: #0A0F1A;
            --bg-card: #141B2D;
            --bg-section: #0F1A2E;
            --accent-cyan: #00F0FF;
            --accent-blue: #0052FF;
            --accent-gold: #FFB800;
            --text-primary: #F4F6FB;
            --text-secondary: #B0B8CC;
            --text-muted: #6B7394;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-cyan: rgba(0, 240, 255, 0.35);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.25);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

        button, input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* NAVIGATION */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 15, 26, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-fast);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 1.5rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .nav-logo {
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            background: linear-gradient(135deg, #00F0FF 0%, #00CFFF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }

        .nav-links a {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
            position: relative;
            padding: 0.35rem 0;
            transition: color var(--transition-fast);
        }

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

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            transition: width var(--transition-fast);
        }

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

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

        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-primary);
            padding: 0.45rem 1.2rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        .btn-signup {
            background: linear-gradient(135deg, #00F0FF 0%, #007AFF 100%);
            border: none;
            color: #08090F;
            padding: 0.45rem 1.4rem;
            border-radius: 9999px;
            font-weight: 700;
            font-size: 0.85rem;
            cursor: pointer;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
            transition: all var(--transition-fast);
        }

        .btn-signup:hover {
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.5);
            transform: translateY(-1px);
        }

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

        /* HERO */
        .hero-section {
            position: relative;
            padding: 8rem 0 5rem;
            min-height: 90vh;
            display: flex;
            align-items: center;
            background: linear-gradient(180deg, #08090F 0%, #0B1A30 50%, #0A0F1A 100%);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            mix-blend-mode: overlay;
            z-index: 0;
        }

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

        .hero-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid var(--border-cyan);
            color: var(--accent-cyan);
            padding: 0.4rem 1.1rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.02em;
            margin-bottom: 1.5rem;
        }

        .hero-label i {
            font-size: 0.7rem;
            animation: pulse-dot 1.8s infinite;
        }

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

        .hero-title {
            font-size: clamp(2rem, 5vw, 3.2rem);
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: 1.25rem;
            letter-spacing: -0.02em;
        }

        .hero-title span {
            background: linear-gradient(135deg, #00F0FF 0%, #00BFFF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 2rem;
            max-width: 520px;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, #00F0FF 0%, #0066FF 100%);
            border: none;
            color: #08090F;
            padding: 0.75rem 2rem;
            border-radius: 9999px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary:hover {
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--border-cyan);
            color: var(--accent-cyan);
            padding: 0.75rem 2rem;
            border-radius: 9999px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-outline:hover {
            background: rgba(0, 240, 255, 0.08);
        }

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

        .hero-image-wrapper {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card), 0 0 60px rgba(0, 240, 255, 0.15);
            border: 1px solid var(--border-subtle);
        }

        .hero-image-wrapper img {
            width: 100%;
            height: auto;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .hero-image-badge {
            position: absolute;
            bottom: 1rem;
            right: 1rem;
            background: rgba(0,0,0,0.75);
            backdrop-filter: blur(8px);
            color: var(--accent-cyan);
            padding: 0.5rem 1rem;
            border-radius: 9999px;
            font-weight: 700;
            font-size: 0.8rem;
            border: 1px solid var(--border-cyan);
        }

        /* SECTION STYLES */
        .section {
            padding: 5rem 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 2.5rem;
            max-width: 640px;
            line-height: 1.6;
        }

        /* INFO LIST */
        .info-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
        }

        .info-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.65rem;
        }

        .info-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.65rem;
            padding: 0.65rem 1rem;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-subtle);
            transition: border-color var(--transition-fast);
            font-weight: 500;
            font-size: 0.92rem;
            color: var(--text-primary);
        }

        .info-list li:hover {
            border-color: var(--accent-cyan);
        }

        .info-list li i {
            color: var(--accent-cyan);
            font-size: 0.9rem;
            margin-top: 0.2rem;
            flex-shrink: 0;
        }

        .info-side-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 2rem;
            border: 1px solid var(--border-subtle);
            text-align: center;
        }

        .info-side-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--accent-cyan);
        }

        .info-side-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.5;
        }

        /* CAMPAIGN BANNER */
        .campaign-section {
            background: var(--bg-section);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            margin: 0 0 5rem 0;
            border: 1px solid var(--border-subtle);
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 2rem;
            align-items: center;
        }

        .campaign-tag {
            display: inline-block;
            background: linear-gradient(135deg, #FF007F 0%, #FF4D4D 100%);
            color: #fff;
            padding: 0.3rem 1rem;
            border-radius: 9999px;
            font-weight: 700;
            font-size: 0.75rem;
            letter-spacing: 0.04em;
            margin-bottom: 1rem;
            animation: pulse-tag 2s infinite;
        }

        @keyframes pulse-tag {
            0%, 100% { box-shadow: 0 0 0 0 rgba(255, 0, 127, 0.5); }
            50% { box-shadow: 0 0 20px 6px rgba(255, 0, 127, 0); }
        }

        .campaign-title {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }

        .campaign-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
            max-width: 500px;
        }

        .campaign-visual img {
            width: 160px;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-lg);
            border: 2px solid var(--border-cyan);
            box-shadow: var(--shadow-neon);
        }

        /* USE GUIDE */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.5rem;
        }

        .guide-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 1.75rem;
            transition: all var(--transition-fast);
        }

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

        .guide-card .guide-icon {
            width: 44px;
            height: 44px;
            background: rgba(0, 240, 255, 0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.3rem;
            margin-bottom: 1rem;
        }

        .guide-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .guide-card p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.55;
        }

        /* SELLING POINTS */
        .points-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .point-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

        .point-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, #00F0FF 0%, #0052FF 100%);
        }

        .point-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }

        .point-card .point-icon {
            font-size: 1.8rem;
            color: var(--accent-cyan);
            margin-bottom: 0.75rem;
        }

        .point-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .point-card p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.55;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            max-width: 800px;
        }

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

        .faq-item summary {
            padding: 1.25rem 1.5rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            list-style: none;
            color: var(--text-primary);
        }

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

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

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

        .faq-item .faq-answer {
            padding: 0 1.5rem 1.25rem;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.6;
        }

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

        /* CTA BOTTOM */
        .cta-section {
            background: linear-gradient(180deg, var(--bg-section) 0%, #08090F 100%);
            border-radius: var(--radius-xl);
            padding: 4rem 2rem;
            text-align: center;
            border: 1px solid var(--border-subtle);
            margin-bottom: 4rem;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }

        .cta-section p {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 2rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* FOOTER */
        .site-footer {
            background: #08090F;
            border-top: 1px solid var(--border-subtle);
            padding: 3rem 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 2rem;
        }

        .footer-brand {
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 0.75rem;
        }

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

        .footer-links h4 {
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

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

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

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

        /* FAB */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 999;
            width: 54px;
            height: 54px;
            border-radius: 9999px;
            background: rgba(10, 15, 26, 0.75);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
            transition: all var(--transition-fast);
            animation: fab-float 3s ease-in-out infinite;
        }

        .fab::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 9999px;
            background: linear-gradient(135deg, #00F0FF, #0052FF, #00F0FF);
            z-index: -1;
            opacity: 0.6;
            filter: blur(4px);
        }

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

        .fab:hover {
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.5);
            transform: scale(1.08);
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-visual {
                order: -1;
                max-width: 400px;
                margin: 0 auto;
            }
            .hero-desc {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-ctas {
                justify-content: center;
            }
            .info-grid {
                grid-template-columns: 1fr;
            }
            .points-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .campaign-section {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .campaign-visual {
                display: flex;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(10, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1.25rem;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-buttons {
                gap: 0.5rem;
            }
            .btn-login, .btn-signup {
                padding: 0.4rem 1rem;
                font-size: 0.8rem;
            }
            .points-grid {
                grid-template-columns: 1fr;
            }
            .guide-grid {
                grid-template-columns: 1fr 1fr;
            }
            .campaign-section {
                padding: 2rem 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .fab {
                width: 46px;
                height: 46px;
                font-size: 1.2rem;
                left: 0.75rem;
                bottom: 5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-section {
                padding: 6rem 0 3rem;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .campaign-title {
                font-size: 1.4rem;
            }
            .section {
                padding: 3rem 0;
            }
        }

/* roulang page: article */
:root {
            --bg-deep: #0B1A30;
            --bg-base: #0F0C20;
            --bg-card: #131A2D;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --accent-pink: #FF007F;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --text-muted: #6B7280;
            --border-neon: rgba(0, 240, 255, 0.3);
            --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.4);
            --shadow-lime: 0 0 15px rgba(204, 255, 0, 0.3);
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: linear-gradient(135deg, var(--bg-deep) 0%, var(--bg-base) 100%);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 20% 20%, rgba(0, 240, 255, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(204, 255, 0, 0.03) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }

        /* Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            transition: var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            flex-wrap: wrap;
        }

        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-lime) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
            text-decoration: none;
            transition: opacity 0.3s;
        }

        .logo:hover {
            opacity: 0.85;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 0.25rem;
            align-items: center;
        }

        .nav-links li a {
            display: inline-block;
            padding: 0.6rem 1.1rem;
            border-radius: var(--radius-md);
            color: var(--text-silver);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition-base);
            position: relative;
            white-space: nowrap;
        }

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

        .nav-links li a.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.12);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
            font-weight: 600;
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .btn-login {
            padding: 0.55rem 1.3rem;
            border: 1px solid var(--border-neon);
            background: transparent;
            color: var(--accent-cyan);
            border-radius: var(--radius-md);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            font-size: 0.9rem;
            white-space: nowrap;
            text-decoration: none;
        }

        .btn-login:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.25);
        }

        .btn-signup {
            padding: 0.55rem 1.5rem;
            background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-lime) 100%);
            color: var(--bg-deep);
            border: none;
            border-radius: var(--radius-md);
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition-base);
            font-size: 0.9rem;
            white-space: nowrap;
            text-decoration: none;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
        }

        .btn-signup:hover {
            box-shadow: var(--shadow-neon);
            transform: translateY(-2px);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-neon);
            color: var(--accent-cyan);
            font-size: 1.5rem;
            padding: 0.4rem 0.7rem;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition-base);
        }

        .mobile-menu-toggle:hover {
            background: rgba(0, 240, 255, 0.1);
        }

        /* Article Content */
        .article-section {
            padding: 8rem 0 4rem;
            min-height: 60vh;
        }

        .article-header-card {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            margin-bottom: 2.5rem;
            position: relative;
            overflow: hidden;
        }

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

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

        .article-category-tag {
            display: inline-block;
            padding: 0.3rem 1rem;
            background: rgba(0, 240, 255, 0.12);
            color: var(--accent-cyan);
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            border: 1px solid rgba(0, 240, 255, 0.25);
        }

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

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

        .article-title {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--text-white) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .article-featured-img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
            border-radius: var(--radius-lg);
            margin: 2rem 0;
            border: 1px solid rgba(0, 240, 255, 0.2);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        }

        .article-body {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.1);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--text-silver);
        }

        .article-body h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 2.5rem 0 1rem;
            border-left: 4px solid var(--accent-cyan);
            padding-left: 1rem;
        }

        .article-body h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--accent-lime);
            margin: 2rem 0 0.75rem;
        }

        .article-body p {
            margin-bottom: 1.2rem;
        }

        .article-body ul, .article-body ol {
            margin: 1.2rem 0;
            padding-left: 2rem;
        }

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

        .article-body strong {
            color: var(--accent-cyan);
            font-weight: 600;
        }

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

        .article-body a:hover {
            color: var(--accent-lime);
        }

        .article-body blockquote {
            border-left: 3px solid var(--accent-lime);
            padding: 1rem 1.5rem;
            margin: 2rem 0;
            background: rgba(204, 255, 0, 0.05);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--text-silver);
        }

        .article-body img {
            max-width: 100%;
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            border: 1px solid rgba(0, 240, 255, 0.15);
        }

        .not-found-state {
            text-align: center;
            padding: 6rem 2rem;
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid rgba(0, 240, 255, 0.15);
        }

        .not-found-state .icon-big {
            font-size: 4rem;
            color: var(--accent-cyan);
            margin-bottom: 1.5rem;
            display: block;
        }

        .not-found-state h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text-white);
        }

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

        .btn-back-home {
            display: inline-block;
            padding: 0.8rem 2rem;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: var(--bg-deep);
            border-radius: var(--radius-md);
            font-weight: 700;
            text-decoration: none;
            transition: var(--transition-base);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
        }

        .btn-back-home:hover {
            box-shadow: var(--shadow-neon);
            transform: translateY(-2px);
        }

        /* CTA Section */
        .cta-section {
            padding: 4rem 0;
            margin: 3rem 0;
        }

        .cta-card {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.08), rgba(204, 255, 0, 0.05));
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            text-align: left;
            position: relative;
            overflow: hidden;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-card h3 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: var(--text-white);
        }

        .cta-card p {
            font-size: 1.1rem;
            color: var(--text-silver);
            margin-bottom: 2rem;
            max-width: 600px;
        }

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

        .btn-cta-primary {
            padding: 0.9rem 2.2rem;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: var(--bg-deep);
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: var(--shadow-lime);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 30px rgba(204, 255, 0, 0.5);
        }

        .btn-cta-secondary {
            padding: 0.85rem 2rem;
            background: transparent;
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            cursor: pointer;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-cta-secondary:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
        }

        /* Footer */
        .site-footer {
            background: rgba(11, 26, 48, 0.9);
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            padding: 4rem 0 2rem;
            margin-top: 4rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 1rem;
            display: inline-block;
        }

        .footer-desc {
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .footer-links h4 {
            color: var(--accent-cyan);
            font-weight: 700;
            margin-bottom: 1.2rem;
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

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

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

        .footer-links ul li a {
            color: var(--text-silver);
            text-decoration: none;
            transition: var(--transition-base);
            font-size: 0.9rem;
        }

        .footer-links ul li a:hover {
            color: var(--accent-cyan);
            padding-left: 5px;
        }

        .footer-bottom {
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.45);
            opacity: 0.85;
            animation: fabFloat 3s ease-in-out infinite;
        }

        .fab-left::before {
            content: '';
            position: absolute;
            top: -3px;
            left: -3px;
            right: -3px;
            bottom: -3px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            z-index: -1;
            opacity: 0.8;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.7);
        }

        .fab-left i {
            font-size: 1.6rem;
            color: var(--accent-cyan);
        }

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

        .fab-notification {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 14px;
            height: 14px;
            background: var(--accent-pink);
            border-radius: 50%;
            border: 2px solid var(--bg-deep);
            animation: pulse 1.8s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(1.3); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-title {
                font-size: 2rem;
            }
            .article-header-card, .article-body {
                padding: 2rem 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 1rem;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(15, 12, 32, 0.95);
                backdrop-filter: blur(20px);
                border-radius: var(--radius-md);
                padding: 1rem;
                border: 1px solid rgba(0, 240, 255, 0.15);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-cta-group {
                gap: 0.5rem;
            }
            .btn-login, .btn-signup {
                padding: 0.45rem 1rem;
                font-size: 0.8rem;
            }
            .article-title {
                font-size: 1.6rem;
            }
            .article-header-card, .article-body {
                padding: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .cta-card {
                padding: 2rem 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .logo {
                font-size: 1rem;
            }
            .article-title {
                font-size: 1.4rem;
            }
            .btn-login, .btn-signup {
                padding: 0.4rem 0.8rem;
                font-size: 0.75rem;
            }
            .fab-left {
                width: 48px;
                height: 48px;
                left: 1rem;
                bottom: 5rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-tertiary: #111827;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-color: rgba(0, 240, 255, 0.15);
            --border-neon: rgba(0, 240, 255, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.3);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition-smooth);
        }

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

        .logo {
            font-size: 1.15rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            background: linear-gradient(135deg, var(--accent-cyan) 0%, #00CFFF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 28px;
            align-items: center;
        }

        .nav-links li a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 0;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            transition: width var(--transition-smooth);
            border-radius: 2px;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            color: var(--accent-cyan);
        }

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

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

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition-fast);
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue) 0%, #0066FF 100%);
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: var(--shadow-electric);
            transition: var(--transition-fast);
            border: 1px solid rgba(0, 82, 255, 0.5);
        }

        .btn-signup:hover {
            box-shadow: var(--shadow-neon);
            transform: translateY(-1px);
            background: linear-gradient(135deg, #0066FF 0%, var(--accent-cyan) 100%);
        }

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

        /* Hero Section */
        .category-hero {
            padding: 140px 0 80px;
            background: linear-gradient(180deg, #0D111E 0%, #08090F 100%);
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(0, 82, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 20px;
            background: linear-gradient(135deg, #FFFFFF 0%, #CBD5E1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text .highlight {
            background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-blue) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 540px;
        }

        .hero-features {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 36px;
        }

        .hero-feature-item {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 240, 255, 0.05);
            border: 1px solid var(--border-color);
            padding: 10px 16px;
            border-radius: 100px;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .hero-feature-item i {
            color: var(--accent-cyan);
            font-size: 0.9rem;
        }

        .btn-primary-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent-blue) 0%, #0070FF 100%);
            color: #fff;
            padding: 16px 36px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: var(--shadow-electric);
            transition: var(--transition-fast);
            border: 1px solid rgba(0, 82, 255, 0.6);
        }

        .btn-primary-large:hover {
            box-shadow: var(--shadow-neon-strong);
            transform: translateY(-2px);
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-neon);
            box-shadow: var(--shadow-neon);
        }

        .hero-visual img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-xl);
        }

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

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

        .section-header {
            margin-bottom: 50px;
            max-width: 700px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
            padding: 6px 14px;
            border-radius: 100px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.3;
            margin: 0;
            color: var(--text-primary);
        }

        .section-title .highlight {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-top: 12px;
            line-height: 1.7;
        }

        /* Step Cards */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .step-card {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

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

        .step-number {
            font-size: 3.5rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-blue) 50%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
            margin-bottom: 16px;
            opacity: 0.3;
            position: absolute;
            top: 12px;
            right: 20px;
        }

        .step-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
            position: relative;
            z-index: 1;
        }

        .step-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
            position: relative;
            z-index: 1;
        }

        .step-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(0, 240, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.3rem;
            color: var(--accent-cyan);
            border: 1px solid var(--border-color);
        }

        /* Scenario List */
        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .scenario-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            transition: var(--transition-smooth);
        }

        .scenario-item:hover {
            border-color: var(--border-neon);
            box-shadow: var(--shadow-blue-glow);
        }

        .scenario-icon {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(0, 240, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-cyan);
            border: 1px solid var(--border-color);
        }

        .scenario-info h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text-primary);
        }

        .scenario-info p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

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

        .stat-card {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition-smooth);
        }

        .stat-card:hover {
            border-color: var(--border-neon);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
            margin-bottom: 8px;
        }

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

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

        .faq-item {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-smooth);
        }

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

        .faq-question {
            padding: 24px 28px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            transition: var(--transition-fast);
        }

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

        .faq-answer {
            padding: 0 28px 24px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            border-top: 1px solid var(--border-color);
            margin: 0 16px;
            padding-top: 20px;
        }

        .faq-question i {
            font-size: 1rem;
            transition: transform var(--transition-fast);
            color: var(--accent-cyan);
        }

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

        .faq-item .faq-answer {
            display: none;
        }

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

        /* CTA Section */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-box {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-xl);
            padding: 60px 40px;
            max-width: 700px;
            margin: 0 auto;
            box-shadow: var(--shadow-neon);
            position: relative;
            z-index: 1;
        }

        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .cta-box p {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        /* Bottom Conversion Bar */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(20px);
            border-top: 1px solid var(--border-neon);
            padding: 14px 0;
            z-index: 99;
            display: none;
        }

        .bottom-cta-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
        }

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

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
            margin-top: 0;
        }

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

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 400px;
        }

        .footer-links h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

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

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

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

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

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* FAB */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 100px;
            background: rgba(8, 9, 15, 0.8);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
            font-size: 1.3rem;
            color: var(--accent-cyan);
            animation: float 3s ease-in-out infinite;
        }

        .fab-support::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 100px;
            padding: 2px;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
        }

        .fab-support:hover {
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.8);
        }

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

        .notification-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 10px;
            height: 10px;
            background: #FF0055;
            border-radius: 50%;
            animation: blink 1.5s ease-in-out infinite;
        }

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

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

            .hero-text h1 {
                font-size: 2.2rem;
            }

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

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(13, 17, 30, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 24px;
                gap: 16px;
                border-bottom: 1px solid var(--border-color);
            }

            .nav-links.active {
                display: flex;
            }

            .mobile-toggle {
                display: block;
            }

            .header-actions {
                gap: 8px;
            }

            .btn-login, .btn-signup {
                padding: 8px 14px;
                font-size: 0.8rem;
            }

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

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

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

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .bottom-cta-bar {
                display: block;
            }

            .fab-support {
                bottom: 80px;
            }

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

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

            .hero-text h1 {
                font-size: 1.5rem;
            }

            .btn-primary-large {
                padding: 14px 24px;
                font-size: 0.95rem;
            }

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

            .section {
                padding: 50px 0;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0B1A30;
            --bg-secondary: #0F0C20;
            --bg-card: #132242;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --text-muted: #6B7280;
            --border-neon: #00F0FF;
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-lime: 0 0 20px rgba(204, 255, 0, 0.3);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', system-ui, -apple-system, sans-serif;
        }

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

        body {
            font-family: var(--font-body);
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

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

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            transition: all 0.3s ease;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .logo {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #00F0FF 0%, #CCFF00 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            line-height: 1.2;
        }

        .logo:hover {
            opacity: 0.85;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            align-items: center;
        }

        .nav-links li a {
            display: block;
            padding: 0.5rem 1rem;
            color: var(--text-silver);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all 0.2s ease;
            white-space: nowrap;
            position: relative;
        }

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

        .nav-links li a.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.12);
            font-weight: 600;
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-cyan);
            border-radius: 3px;
            box-shadow: var(--shadow-neon);
        }

        .nav-actions {
            display: flex;
            gap: 0.75rem;
            align-items: center;
        }

        .btn-login {
            background: transparent;
            color: var(--text-white);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
        }

        .btn-signup {
            background: linear-gradient(135deg, #CCFF00 0%, #00F0FF 100%);
            color: #0F0C20;
            border: none;
            padding: 0.5rem 1.5rem;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
            box-shadow: 0 0 12px rgba(204, 255, 0, 0.25);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(204, 255, 0, 0.4);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }

        /* Hero Section */
        .page-hero {
            padding: 140px 0 60px;
            position: relative;
            overflow: hidden;
            background: linear-gradient(180deg, rgba(0, 240, 255, 0.04) 0%, transparent 60%);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .hero-text h1 {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 1.25rem;
            background: linear-gradient(135deg, #FFFFFF 0%, #CCFF00 60%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text p {
            font-size: 1.05rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

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

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

        .hero-stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-cyan);
            text-shadow: var(--shadow-neon);
            display: block;
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--text-silver);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(0, 240, 255, 0.2);
            box-shadow: var(--shadow-neon);
        }

        .hero-visual img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-lg);
        }

        .hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.08) 0%, transparent 50%);
            pointer-events: none;
            border-radius: var(--radius-lg);
        }

        /* Section Blocks */
        .section-block {
            padding: 3rem 0;
        }

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

        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent-cyan);
            margin-bottom: 0.75rem;
            padding: 0.35rem 0.85rem;
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 20px;
            background: rgba(0, 240, 255, 0.06);
        }

        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.3;
        }

        .section-header p {
            color: var(--text-silver);
            margin-top: 0.5rem;
            font-size: 1rem;
        }

        /* Strategy Cards */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .strategy-card {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .strategy-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            transform: translateY(-6px);
            box-shadow: 0 12px 32px rgba(0, 240, 255, 0.15);
        }

        .strategy-card-icon {
            font-size: 2.2rem;
            margin-bottom: 1rem;
            display: block;
        }

        .strategy-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.75rem;
        }

        .strategy-card p {
            font-size: 0.9rem;
            color: var(--text-silver);
            line-height: 1.65;
        }

        .strategy-card-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.25rem 0.7rem;
            border-radius: 12px;
            margin-bottom: 0.75rem;
            background: rgba(204, 255, 0, 0.12);
            color: var(--accent-lime);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* Timeline / Steps */
        .steps-flow {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            max-width: 780px;
        }

        .step-item {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            transition: all 0.25s ease;
        }

        .step-item:hover {
            border-color: rgba(0, 240, 255, 0.35);
            box-shadow: 0 4px 16px rgba(0, 240, 255, 0.1);
        }

        .step-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #00F0FF 0%, #0088AA 100%);
            color: #0F0C20;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.35);
        }

        .step-body h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-white);
            margin-bottom: 0.4rem;
        }

        .step-body p {
            font-size: 0.9rem;
            color: var(--text-silver);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            max-width: 780px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.1);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.25s ease;
        }

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

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 600;
            padding: 1.15rem 1.5rem;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            transition: color 0.2s;
        }

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

        .faq-answer {
            padding: 0 1.5rem 1.25rem;
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.7;
            border-top: 1px solid rgba(0, 240, 255, 0.08);
            display: none;
        }

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

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

        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.08) 0%, rgba(204, 255, 0, 0.06) 100%);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            text-align: left;
            position: relative;
            overflow: hidden;
        }

        .cta-banner h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.75rem;
        }

        .cta-banner p {
            color: var(--text-silver);
            margin-bottom: 1.5rem;
            font-size: 1rem;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #CCFF00 0%, #00F0FF 100%);
            color: #0F0C20;
            border: none;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.25s ease;
            box-shadow: 0 4px 20px rgba(204, 255, 0, 0.3);
        }

        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(204, 255, 0, 0.5);
        }

        /* Asymmetric Layout: Text + Image */
        .info-split {
            display: grid;
            grid-template-columns: 1.15fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }

        .info-split.reverse {
            grid-template-columns: 1fr 1.15fr;
        }

        .info-split.reverse .info-split-img {
            order: -1;
        }

        .info-split-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(0, 240, 255, 0.15);
        }

        .info-split-img img {
            width: 100%;
            height: auto;
            display: block;
        }

        .info-split-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 1rem;
        }

        .info-split-text p {
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 1rem;
            font-size: 0.95rem;
        }

        .info-split-text ul {
            list-style: none;
            padding: 0;
            margin-bottom: 1rem;
        }

        .info-split-text ul li {
            padding: 0.4rem 0;
            color: var(--text-silver);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .info-split-text ul li::before {
            content: '⚡';
            color: var(--accent-cyan);
            font-size: 0.85rem;
        }

        /* Footer */
        .site-footer {
            background: rgba(15, 12, 32, 0.95);
            border-top: 1px solid rgba(0, 240, 255, 0.12);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }

        .footer-desc {
            color: var(--text-silver);
            font-size: 0.85rem;
            line-height: 1.7;
        }

        .footer-links h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.75rem;
        }

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

        .footer-links ul li {
            margin-bottom: 0.4rem;
        }

        .footer-links ul li a {
            color: var(--text-silver);
            text-decoration: none;
            font-size: 0.85rem;
            transition: color 0.2s;
        }

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

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

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 1.25rem;
            bottom: 6rem;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(12px);
            border: 2px solid #00F0FF;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.45);
            transition: all 0.3s ease;
            font-size: 1.4rem;
            color: #00F0FF;
            animation: floatBreath 3s ease-in-out infinite;
        }

        .fab-floating:hover {
            transform: scale(1.12);
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.7);
            border-color: #CCFF00;
            color: #CCFF00;
        }

        @keyframes floatBreath {
            0%, 100% { opacity: 0.7; }
            50% { opacity: 1; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .strategy-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .info-split {
                grid-template-columns: 1fr;
            }
            .info-split.reverse {
                grid-template-columns: 1fr;
            }
            .info-split.reverse .info-split-img {
                order: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(15, 12, 32, 0.98);
                flex-direction: column;
                padding: 1rem;
                border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-actions .btn-login {
                display: none;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .strategy-grid {
                grid-template-columns: 1fr;
            }
            .cta-banner {
                padding: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .hero-stats {
                gap: 1rem;
                flex-wrap: wrap;
            }
        }