:root {
            --dtu-blue: #0056a6;
            --dtu-orange: #f58220;
            --dtu-light: #f8f9fa;
            --dtu-dark: #212529;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
        }
        .dtu-blue { color: var(--dtu-blue) !important; }
        .bg-dtu-blue { background-color: var(--dtu-blue) !important; }
        .dtu-orange { color: var(--dtu-orange) !important; }
        .bg-dtu-orange { background-color: var(--dtu-orange) !important; }
        .hero-section {
            background: linear-gradient(rgba(0, 86, 166, 0.85), rgba(0, 86, 166, 0.9)), url('https://images.unsplash.com/photo-1562774053-701939374585?ixlib=rb-4.0.3&auto=format&fit=crop&w=2064&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 8rem 0;
            min-height: 90vh;
            display: flex;
            align-items: center;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 3rem;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--dtu-orange);
        }
        .text-center .section-title:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .card-img-top {
            height: 220px;
            object-fit: cover;
        }
        .flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px;
            background: #f8f9fa;
            border-radius: 50px;
            text-decoration: none;
            color: var(--dtu-blue);
            border: 1px solid #dee2e6;
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .flink:hover {
            background: var(--dtu-blue);
            color: white;
            transform: scale(1.05);
        }
        .friendlink-section {
            background: #f8f9fa;
            padding: 60px 0;
            border-top: 1px solid #eee;
            border-bottom: 1px solid #eee;
        }
        .stats-box {
            text-align: center;
            padding: 30px 20px;
            border-radius: 10px;
            background: white;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .stats-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .stats-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--dtu-blue);
            line-height: 1;
        }
        .footer {
            background: #1a1a1a;
            color: #ccc;
            padding: 60px 0 20px;
        }
        .footer a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer a:hover {
            color: white;
            padding-left: 5px;
        }
        .footer-bottom {
            border-top: 1px solid #444;
            padding-top: 20px;
            margin-top: 40px;
        }
        .btn-dtu {
            background: var(--dtu-orange);
            color: white;
            padding: 12px 30px;
            border-radius: 50px;
            border: none;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-dtu:hover {
            background: #d96c0f;
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(245, 130, 32, 0.2);
        }
        .nav-link {
            font-weight: 500;
            padding: 10px 20px !important;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--dtu-orange) !important;
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(0, 86, 166, 0.1);
            color: var(--dtu-blue);
        }
        .research-highlight {
            border-left: 4px solid var(--dtu-orange);
            padding-left: 20px;
            margin: 25px 0;
        }
        .campus-life-img {
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 20px;
            height: 250px;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 5rem 0;
                min-height: 70vh;
                text-align: center;
            }
            .navbar-nav {
                text-align: center;
                padding: 10px 0;
            }
            .stats-number {
                font-size: 2.5rem;
            }
        }