.hero-gradient {
            background: linear-gradient(135deg, #1a365d 0%, #2d3748 50%, #4a5568 100%);
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }
        .flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px;
            background-color: #f8fafc;
            border-radius: 8px;
            color: #2d3748;
            text-decoration: none;
            border: 1px solid #e2e8f0;
            transition: all 0.3s ease;
        }
        .flink:hover {
            background-color: #4299e1;
            color: white;
            border-color: #4299e1;
        }
        .nav-link.active {
            border-bottom: 3px solid #4299e1;
            color: #4299e1;
        }
        .stats-badge {
            background: linear-gradient(90deg, #4299e1, #38b2ac);
            color: white;
        }
        .mobile-menu {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease-out;
        }
        .mobile-menu.open {
            max-height: 500px;
        }