:root {
            --du-blue: #003366;
            --du-gold: #FFD700;
            --du-light-blue: #0066CC;
            --du-dark: #1A1A1A;
            --du-light: #F8F9FA;
            --du-gray: #6C757D;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', sans-serif;
            line-height: 1.6;
            color: var(--du-dark);
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Playfair Display', serif;
            font-weight: 600;
            color: var(--du-blue);
        }
        .navbar-brand {
            font-family: 'Playfair Display', serif;
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--du-blue) !important;
        }
        .navbar-brand span {
            color: var(--du-gold);
        }
        .hero-section {
            background: linear-gradient(rgba(0, 51, 102, 0.85), rgba(0, 51, 102, 0.9)), url('https://images.unsplash.com/photo-1523050854058-8df90110c9f1?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0;
            position: relative;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
        }
        .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(--du-gold);
        }
        .section-title.text-center::after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card-hover {
            transition: all 0.3s ease;
            border: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            height: 100%;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .btn-du {
            background-color: var(--du-blue);
            color: white;
            padding: 10px 25px;
            border-radius: 4px;
            font-weight: 600;
            transition: all 0.3s ease;
            border: 2px solid var(--du-blue);
        }
        .btn-du:hover {
            background-color: transparent;
            color: var(--du-blue);
        }
        .btn-du-outline {
            background-color: transparent;
            color: var(--du-blue);
            border: 2px solid var(--du-blue);
            padding: 10px 25px;
            border-radius: 4px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-du-outline:hover {
            background-color: var(--du-blue);
            color: white;
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            background: rgba(0, 102, 204, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            font-size: 1.8rem;
            color: var(--du-light-blue);
        }
        .flink {
            display: inline-block;
            padding: 8px 15px;
            margin: 5px;
            background: var(--du-light);
            border-radius: 4px;
            color: var(--du-blue);
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid #dee2e6;
        }
        .flink:hover {
            background: var(--du-blue);
            color: white;
            transform: translateY(-3px);
        }
        .faculty-card {
            border-left: 4px solid var(--du-blue);
            transition: all 0.3s ease;
        }
        .faculty-card:hover {
            border-left-color: var(--du-gold);
            background-color: rgba(0, 51, 102, 0.03);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--du-blue);
            display: block;
            line-height: 1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--du-gray);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        footer {
            background-color: var(--du-dark);
            color: white;
        }
        footer a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        footer a:hover {
            color: var(--du-gold);
        }
        .footer-bottom {
            background-color: rgba(0, 0, 0, 0.2);
            padding: 20px 0;
            font-size: 0.9rem;
        }
        .news-card {
            border-top: 3px solid var(--du-blue);
            transition: all 0.3s ease;
        }
        .news-card:hover {
            border-top-color: var(--du-gold);
        }
        .timeline {
            position: relative;
            padding-left: 30px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--du-blue);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 30px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -36px;
            top: 5px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--du-gold);
            border: 3px solid var(--du-blue);
        }
        .campus-life-card {
            overflow: hidden;
            border-radius: 8px;
            position: relative;
        }
        .campus-life-card img {
            transition: transform 0.5s ease;
        }
        .campus-life-card:hover img {
            transform: scale(1.05);
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(0, 51, 102, 0.05);
            color: var(--du-blue);
            font-weight: 600;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 0.25rem rgba(0, 51, 102, 0.25);
        }
        .sticky-nav {
            position: sticky;
            top: 0;
            z-index: 1020;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--du-blue);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 1000;
        }
        .scroll-top.active {
            opacity: 1;
            visibility: visible;
        }
        .scroll-top:hover {
            background-color: var(--du-light-blue);
        }