/* roulang page: index */
:root {
            --bg-main: #0D1117;
            --bg-card: #161B22;
            --accent-green: #10B981;
            --accent-teal: #06D6A0;
            --accent-blue: #0EA5E9;
            --text-title: #F1F5F9;
            --text-body: #94A3B8;
        }
        html { scroll-behavior: smooth; }
        body { background-color: var(--bg-main); color: var(--text-body); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
        .hero-glow {
            background: radial-gradient(circle at 50% 30%, rgba(6, 214, 160, 0.15), transparent 70%);
        }
        .text-glow {
            text-shadow: 0 0 20px rgba(6, 214, 160, 0.4);
        }
        .btn-glow:hover {
            box-shadow: 0 0 25px rgba(6, 214, 160, 0.5);
            transform: translateY(-2px);
        }