:root {
            --bg: #0a0a0a;
            --text: #f5f5f5;
            --primary: #3b82f6;
            --secondary: #1e1e1e;
            --accent: #f59e0b;
        }
        body {
            font-family: 'Geist Sans', system-ui, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .container {
            max-width: 640px;
            margin: 0 auto;
            padding: 2rem;
        }
        header {
            margin-bottom: 3rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding-bottom: 1rem;
        }
        h1 {
            font-weight: 600;
            font-size: 2.5rem;
            margin: 0;
            background: linear-gradient(90deg, #8B5CF6, #EC4899);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: inline-block;
        }
        .subtitle {
            color: rgba(255,255,255,0.6);
            margin-top: 0.5rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            font-weight: 500;
            transition: all 0.2s ease;
        }
        .btn-primary {
            background: var(--primary);
            color: white;
        }
        .btn-outline {
            border: 1px solid rgba(255,255,255,0.2);
        }
        .btn:hover {
            transform: translateY(-2px);
        }
        .features {
            margin: 3rem 0;
        }
        .feature {
            background: var(--secondary);
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 1rem;
            border-left: 3px solid var(--primary);
        }
        .feature i {
            color: var(--accent);
            font-size: 1.2rem;
            margin-right: 0.5rem;
        }
        footer {
            margin-top: auto;
            text-align: center;
            padding: 2rem 0;
            color: rgba(255,255,255,0.4);
            font-size: 0.9rem;
        }
        @media (max-width: 640px) {
            .container {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
        }