/* roulang page: index */
:root {
            --primary: #10B981;
            --primary-accent: #D2F835;
            --bg-dark: #0B0D10;
            --bg-card: #141820;
            --text-main: #0F172A;
            --text-muted: #475569;
            --border-light: #E2E8F0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-main);
            background-color: #F8FAFC;
            overflow-x: hidden;
        }
        .hero-video-mask {
            background: linear-gradient(180deg, rgba(11,13,16,0.82) 0%, rgba(11,13,16,0.95) 100%);
        }
        .glow-border {
            box-shadow: 0 0 25px -5px rgba(16, 185, 129, 0.2);
        }
        .glow-border:hover {
            box-shadow: 0 0 35px 0px rgba(16, 185, 129, 0.4);
            border-color: #10B981;
        }
        .accordion-content {
            max-height: 0;
            transition: max-height 0.3s ease-out;
            overflow: hidden;
        }
        .accordion-content.open {
            max-height: 240px;
        }