/* roulang page: index */
:root {
            --primary: #0F2C2E;
            --accent: #10B981;
            --text-main: #0F172A;
            --text-muted: #475569;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            color: var(--text-main);
            background-color: #F8FAFC;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            text-rendering: optimizeLegibility;
            -webkit-font-smoothing: antialiased;
        }
        .hero-diagonal {
            clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
        }
        @media (max-width: 768px) {
            .hero-diagonal {
                clip-path: none;
            }
        }
        .glass-header {
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .faq-content {
            transition: max-height 0.35s ease, opacity 0.3s ease;
        }