:root {
            --iitb-blue: #00447c;
            --iitb-orange: #f68d2e;
            --iitb-light-blue: #e1f0fa;
            --iitb-dark-gray: #333333;
            --iitb-light-gray: #f8f9fa;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--iitb-dark-gray);
            line-height: 1.7;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            color: var(--iitb-blue);
        }
        .navbar-brand img {
            height: 60px;
            transition: transform 0.3s;
        }
        .navbar-brand:hover img {
            transform: scale(1.05);
        }
        .nav-link {
            font-weight: 600;
            color: var(--iitb-blue) !important;
            padding: 0.5rem 1rem !important;
            margin: 0 0.2rem;
            border-radius: 5px;
            transition: all 0.3s;
        }
        .nav-link:hover, .nav-link.active {
            background-color: var(--iitb-blue);
            color: white !important;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 68, 124, 0.85), rgba(0, 68, 124, 0.9)), url('https://images.unsplash.com/photo-1523050854058-8df90110c9f1?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0;
            margin-bottom: 50px;
        }
        .hero-title {
            font-size: 3.2rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        @media (max-width: 768px) {
            .hero-title { font-size: 2.5rem; }
        }
        .section-padding {
            padding: 80px 0;
        }
        .bg-light-custom {
            background-color: var(--iitb-light-gray);
        }
        .card {
            border: none;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.08);
            transition: transform 0.4s, box-shadow 0.4s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .card-title {
            color: var(--iitb-blue);
            border-bottom: 2px solid var(--iitb-orange);
            padding-bottom: 10px;
        }
        .icon-box {
            width: 70px;
            height: 70px;
            background-color: var(--iitb-light-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 28px;
            color: var(--iitb-blue);
            transition: all 0.3s;
        }
        .card:hover .icon-box {
            background-color: var(--iitb-blue);
            color: white;
        }
        .btn-primary {
            background-color: var(--iitb-blue);
            border-color: var(--iitb-blue);
            padding: 10px 25px;
            font-weight: 600;
            border-radius: 6px;
            transition: all 0.3s;
        }
        .btn-primary:hover, .btn-primary:focus {
            background-color: var(--iitb-orange);
            border-color: var(--iitb-orange);
            transform: translateY(-3px);
        }
        .btn-outline-primary {
            color: var(--iitb-blue);
            border-color: var(--iitb-blue);
            font-weight: 600;
        }
        .btn-outline-primary:hover {
            background-color: var(--iitb-blue);
            border-color: var(--iitb-blue);
        }
        .campus-img {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            transition: transform 0.5s;
        }
        .campus-img:hover {
            transform: scale(1.02);
        }
        .stats-box {
            text-align: center;
            padding: 25px 15px;
            border-radius: 10px;
            background-color: white;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s;
        }
        .stats-box:hover {
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            transform: translateY(-5px);
        }
        .stats-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--iitb-blue);
            display: block;
            line-height: 1;
        }
        .stats-label {
            font-size: 1rem;
            color: var(--iitb-dark-gray);
            margin-top: 10px;
            font-weight: 600;
        }
        footer {
            background-color: var(--iitb-blue);
            color: white;
            padding-top: 60px;
        }
        footer a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s;
        }
        footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .footer-bottom {
            background-color: rgba(0,0,0,0.2);
            padding: 20px 0;
            margin-top: 40px;
        }
        .friendlink-container {
            background-color: white;
            border-radius: 10px;
            padding: 25px;
            margin: 30px 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .flink {
            display: inline-block;
            background-color: var(--iitb-light-gray);
            color: var(--iitb-blue);
            padding: 8px 20px;
            margin: 5px 8px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            border: 1px solid #ddd;
            transition: all 0.3s;
        }
        .flink:hover {
            background-color: var(--iitb-blue);
            color: white;
            border-color: var(--iitb-blue);
            transform: translateY(-3px);
        }
        .news-item {
            border-left: 4px solid var(--iitb-orange);
            padding-left: 15px;
            margin-bottom: 25px;
            transition: all 0.3s;
        }
        .news-item:hover {
            border-left-width: 8px;
            padding-left: 11px;
        }
        .accordion-button:not(.collapsed) {
            background-color: var(--iitb-light-blue);
            color: var(--iitb-blue);
            font-weight: 600;
        }
        .contact-info-box {
            padding: 25px;
            border-radius: 10px;
            background-color: white;
            box-shadow: 0 8px 20px rgba(0,0,0,0.06);
            height: 100%;
            border-top: 5px solid var(--iitb-orange);
        }
        .social-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: rgba(255,255,255,0.1);
            border-radius: 50%;
            margin-right: 10px;
            color: white;
            font-size: 18px;
            transition: all 0.3s;
        }
        .social-icon:hover {
            background-color: var(--iitb-orange);
            transform: scale(1.1);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--iitb-blue);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background-color: var(--iitb-orange);
            transform: translateY(-5px);
        }
        .highlight-orange {
            color: var(--iitb-orange);
            font-weight: 700;
        }
        .department-logo {
            height: 80px;
            margin-bottom: 15px;
            object-fit: contain;
        }