/* roulang page: index */
:root {
            --primary: #1e3a8a;
            --primary-accent: #2563eb;
            --orange: #f97316;
            --cyan: #06b6d4;
            --dark-surface: #0f172a;
            --light-bg: #f8fafc;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            background-color: var(--light-bg);
            color: #334155;
            line-height: 1.6;
        }
        .text-gradient {
            background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-banner {
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.85) 0%, rgba(30, 58, 138, 0.8) 100%), url('/assets/images/5129b9e8bcf50135.jpg') center/cover no-repeat;
        }
        .shadow-soft {
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
        }
        .shadow-hover {
            transition: all 0.25s ease;
        }
        .shadow-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(30, 58, 138, 0.1), 0 10px 10px -5px rgba(30, 58, 138, 0.04);
        }