:root {
            --primary-color: #0056b3;
            --secondary-color: #17a2b8;
            --accent-color: #28a745;
            --dark-color: #343a40;
            --light-color: #f8f9fa;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: bold;
            font-size: 1.8rem;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 84, 179, 0.8), rgba(0, 84, 179, 0.9)), url('https://images.unsplash.com/photo-1532094349884-543bc11b234d?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
            color: white;
            padding: 8rem 0;
        }
        .section-title {
            color: var(--primary-color);
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 10px;
            margin-bottom: 2rem;
        }
        .card {
            border: none;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 10px 25px;
            border-radius: 30px;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            background-color: #004494;
            border-color: #004494;
            transform: scale(1.05);
        }
        .flink {
            display: inline-block;
            margin: 5px 10px;
            padding: 8px 15px;
            background: var(--light-color);
            border-radius: 5px;
            text-decoration: none;
            color: var(--dark-color);
            transition: all 0.3s;
            border: 1px solid #dee2e6;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        footer {
            background-color: var(--dark-color);
            color: white;
        }
        .social-icons a {
            color: white;
            margin: 0 10px;
            font-size: 1.5rem;
            transition: color 0.3s;
        }
        .social-icons a:hover {
            color: var(--secondary-color);
        }
        .research-area-icon {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 15px;
        }
        .news-item {
            border-left: 4px solid var(--accent-color);
            padding-left: 15px;
            margin-bottom: 20px;
        }
        .contact-info i {
            color: var(--primary-color);
            margin-right: 10px;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 5rem 0;
            }
            .display-4 {
                font-size: 2.5rem;
            }
        }