/* roulang page: index */
:root {
            --bg-dark: #0A0F1C;
            --accent-green: #00FF9D;
            --accent-purple: #8A2BE2;
            --card-border: rgba(0, 255, 157, 0.15);
        }
        body {
            background-color: var(--bg-dark);
            color: #E2E8F0;
            overflow-x: hidden;
        }
        .code-font {
            font-family: 'JetBrains Mono', monospace;
        }
        .cyber-border {
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 8px;
            transition: all 0.3s ease;
        }
        .cyber-border:hover {
            border-color: rgba(0, 255, 157, 0.4);
            box-shadow: 0 10px 25px -5px rgba(0, 255, 157, 0.1);
            transform: translateY(-2px);
        }
        .cyber-btn-primary {
            background: #00FF9D;
            color: #0A0F1C;
            font-weight: 600;
            border-radius: 8px;
            padding: 0.75rem 1.75rem;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .cyber-btn-primary:hover {
            background: #00e08b;
            box-shadow: 0 0 15px rgba(0, 255, 157, 0.4);
        }
        .cyber-btn-primary:active {
            transform: scale(0.97);
        }
        .cyber-btn-outline {
            border: 1px solid rgba(0, 255, 157, 0.5);
            color: #00FF9D;
            font-weight: 600;
            border-radius: 8px;
            padding: 0.75rem 1.75rem;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .cyber-btn-outline:hover {
            background: rgba(0, 255, 157, 0.1);
            border-color: #00FF9D;
        }
        .cyber-btn-outline:active {
            transform: scale(0.97);
        }
        .metric-glow {
            text-shadow: 0 0 10px rgba(0, 255, 157, 0.3);
        }
        .purple-glow {
            text-shadow: 0 0 10px rgba(138, 43, 226, 0.3);
        }