/* roulang page: index */
:root {
            --primary: #0F2A3F;
            --accent: #FF5500;
            --cyanic: #00D084;
            --bg-light: #F4F6F9;
            --text-main: #1E293B;
            --text-muted: #64748B;
        }
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
        }
        .hero-bg {
            background-image: linear-gradient(135deg, rgba(15, 42, 63, 0.95) 0%, rgba(9, 24, 36, 0.92) 100%), url('/assets/images/2415c92cf7bbbf8c.png');
            background-size: cover;
            background-position: center;
        }
        .dark-section-bg {
            background-image: linear-gradient(180deg, rgba(9, 24, 36, 0.97) 0%, rgba(15, 42, 63, 0.98) 100%), url('/assets/images/8eb7a84dee6fc69f.png');
            background-size: cover;
            background-position: center;
        }
        .card-shadow {
            box-shadow: 0 4px 20px -2px rgba(15, 42, 63, 0.06);
            transition: all 0.25s ease-in-out;
        }
        .card-shadow:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px -4px rgba(15, 42, 63, 0.12);
        }
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .no-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }