/* roulang page: index */
:root { --primary: #6366f1; --dark: #0f172a; --accent: #22d3ee; }
        body { font-family: 'Inter', 'PingFang SC', sans-serif; background-color: #f8fafc; color: #334155; }
        .gradient-bg { background: linear-gradient(135deg, #0f172a 0%, #312e81 100%); }
        .nav-link { transition: all 0.3s ease; }
        .nav-link:hover { color: var(--accent); }
        .card-hover:hover { transform: translateY(-5px); transition: all 0.3s ease; }