:root {
            --iitd-blue: #003366;
            --iitd-orange: #FF6600;
            --iitd-light: #F5F7FA;
            --iitd-dark: #1A2A3A;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
        }
        .bg-iitd-primary {
            background-color: var(--iitd-blue) !important;
        }
        .text-iitd-primary {
            color: var(--iitd-blue) !important;
        }
        .bg-iitd-secondary {
            background-color: var(--iitd-orange) !important;
        }
        .text-iitd-secondary {
            color: var(--iitd-orange) !important;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
        }
        .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&auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
            color: white;
            padding: 8rem 0;
        }
        .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-color: var(--iitd-orange);
        }
        .section-title.text-center:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card {
            border: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .card-icon {
            font-size: 2.5rem;
            color: var(--iitd-blue);
            margin-bottom: 1rem;
        }
        .stats-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--iitd-blue);
        }
        .faculty-card img {
            height: 220px;
            object-fit: cover;
        }
        .news-card img {
            height: 200px;
            object-fit: cover;
        }
        .campus-life-img {
            height: 300px;
            object-fit: cover;
            border-radius: 8px;
        }
        .flink {
            display: inline-block;
            padding: 8px 15px;
            margin: 5px;
            background-color: var(--iitd-light);
            border-radius: 4px;
            color: var(--iitd-dark);
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid #dee2e6;
        }
        .flink:hover {
            background-color: var(--iitd-blue);
            color: white;
            transform: translateY(-2px);
        }
        footer a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .btn-iitd-primary {
            background-color: var(--iitd-blue);
            color: white;
            border: none;
            padding: 10px 25px;
        }
        .btn-iitd-primary:hover {
            background-color: #002244;
            color: white;
        }
        .btn-iitd-secondary {
            background-color: var(--iitd-orange);
            color: white;
            border: none;
            padding: 10px 25px;
        }
        .btn-iitd-secondary:hover {
            background-color: #e65c00;
            color: white;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 5rem 0;
            }
            .stats-number {
                font-size: 2.2rem;
            }
            .display-4 {
                font-size: 2.2rem;
            }
        }