/* roulang page: index */
:root {
            --primary: #1A56DB;
            --primary-dark: #0E2A5C;
            --surface: #FFFFFF;
            --bg-page: #F8FAFC;
            --text-main: #0F172A;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-page);
            color: var(--text-main);
            overflow-x: hidden;
        }
        .section-header {
            position: relative;
            margin-bottom: 3.5rem;
        }
        .hero-clip {
            clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
        }
        @media (max-width: 768px) {
            .hero-clip {
                clip-path: none;
            }
        }