:root {
            --primary-blue: #0056b3;
            --secondary-teal: #20c997;
            --accent-gold: #ffc107;
            --light-gray: #f8f9fa;
            --dark-gray: #343a40;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
        }
        header {
            background: linear-gradient(135deg, var(--primary-blue) 0%, #004085 100%);
            color: white;
        }
        .navbar {
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            padding: 1rem 0;
            transition: all 0.3s ease;
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 700;
            color: white !important;
        }
        .navbar-nav .nav-link {
            color: rgba(255,255,255,0.9) !important;
            font-weight: 500;
            margin: 0 0.5rem;
            padding: 0.5rem 1rem;
            border-radius: 0.25rem;
            transition: all 0.3s ease;
        }
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
            background-color: rgba(255,255,255,0.1);
            color: white !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: url('https://images.unsplash.com/photo-1519494026892-80bbd2d6fd0d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80') center center/cover no-repeat;
            min-height: 80vh;
            display: flex;
            align-items: center;
            position: relative;
        }
        .hero-overlay {
            background: rgba(0, 86, 179, 0.85);
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            color: white;
            padding: 3rem;
            border-radius: 0.5rem;
            backdrop-filter: blur(5px);
        }
        .section-title {
            color: var(--primary-blue);
            border-left: 5px solid var(--secondary-teal);
            padding-left: 1rem;
            margin-bottom: 2rem;
            font-weight: 700;
        }
        .card {
            border: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .icon-box {
            font-size: 2.5rem;
            color: var(--primary-blue);
            margin-bottom: 1rem;
        }
        .btn-primary {
            background-color: var(--primary-blue);
            border-color: var(--primary-blue);
            padding: 0.75rem 2rem;
            border-radius: 0.375rem;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-primary:hover {
            background-color: #004085;
            border-color: #004085;
            transform: scale(1.05);
        }
        .bg-light-custom {
            background-color: var(--light-gray);
        }
        footer {
            background-color: var(--dark-gray);
            color: white;
        }
        .flink {
            display: inline-block;
            padding: 0.5rem 1rem;
            margin: 0.25rem;
            background-color: rgba(255,255,255,0.1);
            color: white;
            border-radius: 0.25rem;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .flink:hover {
            background-color: var(--secondary-teal);
            color: var(--dark-gray);
            transform: translateY(-3px);
        }
        .department-card {
            border-top: 4px solid var(--secondary-teal);
        }
        .doctor-card img {
            height: 250px;
            object-fit: cover;
            border-bottom: 1px solid #dee2e6;
        }
        .contact-info li {
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
        }
        .contact-info i {
            color: var(--secondary-teal);
            margin-right: 1rem;
            font-size: 1.25rem;
            width: 30px;
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 60vh;
            }
            .hero-content {
                padding: 1.5rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }
        .sticky-top {
            top: 0;
            z-index: 1020;
        }
        .scrollspy-example {
            position: relative;
            height: 200px;
            overflow-y: scroll;
        }
        .map-container {
            height: 400px;
            border-radius: 0.5rem;
            overflow: hidden;
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(32, 201, 151, 0.1);
            color: var(--primary-blue);
        }
        .list-group-item {
            border-left: none;
            border-right: none;
            padding: 1rem 1.25rem;
        }
        .list-group-item:first-child {
            border-top: none;
        }