.hero-gradient {
            background: linear-gradient(135deg, rgba(0, 40, 85, 0.9) 0%, rgba(0, 20, 60, 0.8) 100%);
        }
        .hover-lift {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .hover-lift:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        .nav-link-hover::after {
            content: '';
            display: block;
            width: 0;
            height: 2px;
            background: #3b82f6;
            transition: width 0.3s ease;
            margin-top: 2px;
        }
        .nav-link-hover:hover::after {
            width: 100%;
        }
        .flink {
            border: 1px solid #e5e7eb;
            border-radius: 0.5rem;
            padding: 0.75rem 1.5rem;
            background: white;
            color: #4b5563;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        .flink:hover {
            background: #3b82f6;
            color: white;
            border-color: #3b82f6;
            transform: scale(1.05);
        }
        .sticky-nav {
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(10px);
            background-color: rgba(255, 255, 255, 0.95);
        }
        .tab-content {
            display: none;
            animation: fadeIn 0.5s ease;
        }
        .tab-content.active {
            display: block;
        }
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }