/* roulang page: index */
:root {
            --primary: #0F52BA;
            --secondary: #00A896;
            --bg-light: #F8FAFC;
            --surface-dark: #0B192C;
            --text-main: #0F172A;
            --text-sub: #475569;
            --radius-box: 1rem;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            color: var(--text-main);
            background-color: var(--bg-light);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            overflow-x: hidden;
        }
        .text-gradient {
            background: linear-gradient(135deg, #0F52BA 0%, #00A896 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-pattern {
            background-image: radial-gradient(rgba(15, 82, 186, 0.08) 1px, transparent 0);
            background-size: 24px 24px;
        }
        .card-hover {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(15, 82, 186, 0.1), 0 8px 10px -6px rgba(15, 82, 186, 0.05);
        }
        .custom-scrollbar::-webkit-scrollbar {
            height: 6px;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background-color: #CBD5E1;
            border-radius: 4px;
        }