/* roulang page: index */
:root {
            --bg-main: #080B10;
            --surface-card: #0F141C;
            --border-line: #1C2533;
            --primary: #00DC82;
            --secondary: #6366F1;
            --accent: #F59E0B;
            --text-main: #F1F5F9;
            --text-muted: #94A3B8;
        }
        body {
            background-color: var(--bg-main);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            overflow-x: hidden;
        }
        .text-gradient {
            background: linear-gradient(135deg, #00DC82 0%, #6366F1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-diagonal-wrap {
            clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
        }
        .card-glow:hover {
            border-color: rgba(0, 220, 130, 0.4);
            box-shadow: 0 10px 25px -5px rgba(0, 220, 130, 0.12);
        }
        details summary::-webkit-details-marker {
            display: none;
        }