/* roulang page: index */
@import url('/assets/css/vendor/9723b7396f-css2.css');
        
        :root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --accent-cyan: #00F0FF;
            --accent-lime: #CCFF00;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --border-subtle: rgba(0, 240, 255, 0.2);
            --border-hover: rgba(0, 240, 255, 0.6);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-lime: 0 0 15px rgba(204, 255, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            transition: var(--transition-base);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-cyan), #0099cc);
            color: var(--bg-primary);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            border: none;
            font-size: 1rem;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: var(--shadow-neon);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 50px;
            border: 2px solid var(--border-subtle);
            font-size: 1rem;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

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

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            margin-bottom: 1rem;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.125rem;
            color: var(--text-silver);
            margin-bottom: 2.5rem;
            max-width: 720px;
            line-height: 1.7;
        }

        .card-hover {
            transition: var(--transition-base);
        }

        .card-hover:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), var(--shadow-neon);
            border-color: var(--border-hover);
        }

        .badge-neon {
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-subtle);
            color: var(--accent-cyan);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .badge-lime {
            background: rgba(204, 255, 0, 0.1);
            border: 1px solid rgba(204, 255, 0, 0.3);
            color: var(--accent-lime);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 600;
        }

        .nav-link {
            position: relative;
            font-weight: 500;
            color: var(--text-silver);
            padding: 8px 16px;
            border-radius: 8px;
            transition: var(--transition-base);
            font-size: 0.95rem;
        }

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

        .nav-link.active {
            color: var(--accent-cyan);
            font-weight: 700;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 10px var(--accent-cyan);
        }

        .grid-pattern {
            background-image: 
                linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
        }

        .fab-neon {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(10px);
            border-radius: 50%;
            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-cyan), var(--accent-lime));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            box-shadow: var(--shadow-neon);
            transition: var(--transition-base);
            opacity: 0.6;
            cursor: pointer;
        }

        .fab-neon:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.8);
            animation: neon-flicker 0.3s ease;
        }

        @keyframes neon-flicker {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        .list-item-hover {
            transition: var(--transition-base);
        }

        .list-item-hover:hover {
            background: rgba(0, 240, 255, 0.05);
            border-color: var(--border-subtle);
            padding-left: 20px;
        }

        .divider-neon {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
            margin: 2rem 0;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.75rem;
            }
            .section-subtitle {
                font-size: 1rem;
            }
            .container {
                padding: 0 16px;
            }
            .btn-primary, .btn-secondary {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

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

/* roulang page: category1 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --accent-cyan: #00F0FF;
            --accent-lime: #CCFF00;
            --text-white: #FFFFFF;
            --text-gray: #A6ACAF;
            --border-neon: rgba(0, 240, 255, 0.2);
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.3);
            --shadow-neon-lg: 0 0 25px rgba(0, 240, 255, 0.5);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .text-gradient {
            background: linear-gradient(135deg, #00F0FF, #CCFF00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .btn-primary {
            background: linear-gradient(135deg, #00F0FF, #CCFF00);
            color: #0F0C20;
            font-weight: 700;
            padding: 0.75rem 1.5rem;
            border-radius: 9999px;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
        }
        .btn-primary:hover {
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            padding: 0.75rem 1.5rem;
            border-radius: 9999px;
            border: 1px solid var(--border-neon);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
        }
        .btn-outline:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
        }
        .nav-link {
            color: var(--text-gray);
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 0.5rem;
            transition: all 0.3s ease;
            position: relative;
        }
        .nav-link:hover {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.1);
        }
        .nav-link.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.15);
        }
        .divider-neon {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-neon), transparent);
            margin: 2rem 0;
        }
        .card-hover {
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-neon-lg);
            border-color: var(--accent-cyan);
        }
        .focus-ring:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }
        .badge-neon {
            background: rgba(0, 240, 255, 0.15);
            color: var(--accent-cyan);
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }
        .glow-icon {
            filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.6));
        }
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 9999px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(8px);
            border: 2px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            position: fixed;
            animation: neonBreath 3s infinite;
        }
        .fab-left:hover {
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
            transform: scale(1.1);
        }
        @keyframes neonBreath {
            0%, 100% { opacity: 0.7; }
            50% { opacity: 1; }
        }
        .fab-icon {
            font-size: 1.5rem;
            color: var(--accent-cyan);
            filter: drop-shadow(0 0 5px rgba(0, 240, 255, 0.8));
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
            .fab-left {
                width: 48px;
                height: 48px;
                left: 0.75rem;
                bottom: 5rem;
            }
            .fab-icon {
                font-size: 1.25rem;
            }
        }
        @media (max-width: 520px) {
            .btn-primary, .btn-outline {
                padding: 0.6rem 1.2rem;
                font-size: 0.875rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --accent-cyan: #00F0FF;
            --accent-lime: #CCFF00;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --border-neon: rgba(0, 240, 255, 0.2);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-neon-strong: 0 0 25px rgba(0, 240, 255, 0.8);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
        }

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

        body {
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Text Gradient */
        .text-gradient {
            background: linear-gradient(135deg, #00F0FF 0%, #CCFF00 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* Nav Link */
        .nav-link {
            color: var(--text-silver);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 0.9rem;
            border-radius: 9999px;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-link:hover {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.1);
        }

        .nav-link.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.15);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: var(--shadow-neon);
        }

        /* Primary Button */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #00F0FF 0%, #CCFF00 100%);
            color: var(--bg-primary);
            font-weight: 700;
            padding: 0.75rem 1.5rem;
            border-radius: 9999px;
            border: none;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-neon);
        }

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

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-neon);
        }

        /* Secondary Button */
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            padding: 0.75rem 1.5rem;
            border-radius: 9999px;
            border: 1px solid var(--border-neon);
            font-size: 0.95rem;
            transition: all 0.3s ease;
        }

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

        /* Divider */
        .divider-neon {
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, rgba(0, 240, 255, 0.4) 50%, transparent 100%);
            margin: 2rem 0;
        }

        /* Article Content Styling */
        .article-content {
            color: #E5E7EB;
            font-size: 1.05rem;
            line-height: 1.7;
        }

        .article-content h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--text-white);
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid rgba(0, 240, 255, 0.2);
        }

        .article-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }

        .article-content p {
            margin-bottom: 1.25rem;
            color: #D1D5DB;
        }

        .article-content ul,
        .article-content ol {
            margin-bottom: 1.5rem;
            padding-left: 1.75rem;
            color: #D1D5DB;
        }

        .article-content ul {
            list-style: none;
        }

        .article-content ul li {
            position: relative;
            margin-bottom: 0.75rem;
            padding-left: 1.5rem;
        }

        .article-content ul li::before {
            content: '\f0da';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--accent-cyan);
            font-size: 0.85rem;
        }

        .article-content ol {
            list-style: decimal;
        }

        .article-content ol li {
            margin-bottom: 0.75rem;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
            padding: 1.25rem 1.5rem;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 1.5rem 0;
            color: #E5E7EB;
            font-style: italic;
        }

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

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .article-content table th {
            background: rgba(0, 240, 255, 0.15);
            color: var(--accent-cyan);
            font-weight: 700;
            padding: 0.85rem 1rem;
            text-align: left;
            border-bottom: 2px solid var(--border-neon);
        }

        .article-content table td {
            padding: 0.85rem 1rem;
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
            color: #D1D5DB;
        }

        .article-content img {
            border-radius: var(--radius-lg);
            margin: 1.5rem 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
        }

        .article-content a {
            color: var(--accent-cyan);
            text-decoration: underline;
            transition: all 0.3s ease;
        }

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

        /* Article Meta Card */
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.25rem;
            background: rgba(0, 240, 255, 0.05);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-md);
            margin-bottom: 2rem;
        }

        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--text-silver);
            font-size: 0.9rem;
        }

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

        /* FAB */
        .fab-support {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 9999px;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(8px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(15, 12, 32, 0.85), rgba(15, 12, 32, 0.85)), linear-gradient(135deg, #CCFF00, #00F0FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
            transition: all 0.3s ease;
            animation: fabPulse 3s infinite ease-in-out;
            cursor: pointer;
            opacity: 0.7;
        }

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

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

        .fab-support .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 14px;
            height: 14px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: blink 1.5s infinite;
        }

        @keyframes fabPulse {
            0%, 100% { box-shadow: 0 0 20px rgba(0, 240, 255, 0.4); }
            50% { box-shadow: 0 0 35px rgba(0, 240, 255, 0.7); }
        }

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

        /* 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 var(--border-neon);
            border-radius: var(--radius-lg);
            padding: 2rem;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(204, 255, 0, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }

        /* Related Articles */
        .related-card {
            background: rgba(11, 26, 48, 0.6);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .related-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 8px 30px rgba(0, 240, 255, 0.2);
            transform: translateY(-4px);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }

            .article-content {
                font-size: 1rem;
            }

            .article-content h2 {
                font-size: 1.5rem;
            }

            .article-content h3 {
                font-size: 1.2rem;
            }

            .fab-support {
                width: 48px;
                height: 48px;
                font-size: 1.25rem;
                bottom: 5rem;
                left: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }

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

/* roulang page: category2 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --accent-cyan: #00F0FF;
            --accent-lime: #CCFF00;
            --text-white: #FFFFFF;
            --text-muted: #A6ACAF;
            --border-glow: rgba(0, 240, 255, 0.2);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-neon-strong: 0 0 25px rgba(0, 240, 255, 0.8);
            --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', system-ui, -apple-system, 'Roboto', 'Helvetica Neue', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.65;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        .text-gradient {
            background: linear-gradient(135deg, #00F0FF 0%, #CCFF00 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .font-800 {
            font-weight: 800;
        }

        .nav-link {
            position: relative;
            color: var(--text-muted);
            font-weight: 500;
            padding: 8px 16px;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            border-radius: 8px;
        }

        .nav-link:hover {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.05);
        }

        .nav-link.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
            font-weight: 600;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #00F0FF 0%, #CCFF00 100%);
            color: #0F0C20;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            text-decoration: none;
            box-shadow: var(--shadow-neon);
            font-size: 0.95rem;
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-neon-strong);
            transform: translateY(-2px);
            filter: brightness(1.05);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.4);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--accent-cyan);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 50px;
            border: 1px solid var(--border-glow);
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            font-size: 0.9rem;
        }

        .btn-ghost:hover {
            background: rgba(0, 240, 255, 0.08);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.25);
        }

        .divider-neon {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent-cyan), var(--accent-lime), transparent);
            margin: 32px 0;
            opacity: 0.6;
        }

        .card-glow {
            background: rgba(15, 12, 32, 0.7);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }

        .card-glow:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 8px 32px rgba(0, 240, 255, 0.15);
            transform: translateY(-4px);
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .tag-cyan {
            background: rgba(0, 240, 255, 0.15);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.3);
        }

        .tag-lime {
            background: rgba(204, 255, 0, 0.12);
            color: var(--accent-lime);
            border: 1px solid rgba(204, 255, 0, 0.3);
        }

        .section-heading {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-white);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

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

        @media (max-width: 768px) {
            .section-heading {
                font-size: 1.6rem;
            }
            .section-subheading {
                font-size: 0.95rem;
            }
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.6);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(15, 12, 32, 0.6), rgba(15, 12, 32, 0.6)), linear-gradient(135deg, #CCFF00, #00F0FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            opacity: 0.6;
            animation: fabBreathe 3s ease-in-out infinite;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
        }

        .fab:hover {
            opacity: 1;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
            transform: scale(1.1);
        }

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

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

        /* Step Number */
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(204, 255, 0, 0.15));
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-cyan);
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        /* List Check */
        .list-check li {
            position: relative;
            padding-left: 32px;
            margin-bottom: 12px;
            color: #D1D5DB;
            line-height: 1.7;
        }

        .list-check li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 4px;
            color: var(--accent-lime);
            font-size: 0.85rem;
        }

        /* Image container */
        .image-glow {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-glow);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
        }

        .image-glow img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        /* Focus visible */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 8px;
        }