/* roulang page: index */
:root {
            --primary: #1A56DB;
            --accent: #06B6D4;
            --sport-orange: #F97316;
            --dark-slate: #0F172A;
            --bg-light: #F8FAFC;
        }
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
        }
        .hero-bg {
            background-image: linear-gradient(to right, rgba(15, 23, 42, 0.92), rgba(26, 86, 219, 0.85)), url('/assets/images/988965e80076f24c.jpg');
            background-size: cover;
            background-position: center;
        }
        .card-shadow {
            box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.02);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }
        .card-shadow:hover {
            transform: translateY(-3px);
            box-shadow: 0 20px 30px -10px rgba(15, 23, 42, 0.1);
        }
        .ring-circle {
            background: conic-gradient(#06B6D4 78%, rgba(255, 255, 255, 0.15) 0);
        }