/* roulang page: index */
:root {
            --primary: #0077B6;
            --primary-deep: #0B132B;
            --accent: #10B981;
            --bg-base: #F8FAFC;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            background-color: var(--bg-base);
            color: #334155;
            overflow-x: hidden;
        }
        .hero-mesh {
            background-image: radial-gradient(at 100% 0%, rgba(72, 202, 228, 0.18) 0px, transparent 50%),
                              radial-gradient(at 0% 100%, rgba(0, 119, 182, 0.15) 0px, transparent 50%);
        }
        .text-gradient {
            background: linear-gradient(135deg, #0B132B 0%, #0077B6 60%, #48CAE4 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .card-halo {
            position: relative;
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .card-halo:hover {
            transform: translateY(-4px);
        }
