/* roulang page: index */
:root {
            --primary: #0F2F64;
            --primary-dark: #0B192C;
            --accent: #D97706;
            --emerald: #059669;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --bg-light: #F8FAFC;
        }
        * {
            box-sizing: border-box;
            scroll-behavior: smooth;
        }
        body {
            color: var(--text-main);
            background-color: #FFFFFF;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            margin: 0;
            padding: 0;
        }
        .hero-bg {
            background-image: linear-gradient(rgba(11, 25, 44, 0.88), rgba(15, 47, 100, 0.92)), url('/assets/images/87219d0826468092.jpg');
            background-size: cover;
            background-position: center;
        }
        .banner-deep {
            background-image: linear-gradient(rgba(11, 25, 44, 0.94), rgba(11, 25, 44, 0.94)), url('/assets/images/c1b5ab6642190e7b.jpg');
            background-size: cover;
            background-position: center;
        }
        .card-hover {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 24px -10px rgba(15, 47, 100, 0.15);
        }