:root {
            --primary-color: #0056a6;
            --secondary-color: #34a853;
            --accent-color: #fbbc05;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
        }
        .nav-link {
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--accent-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 84, 166, 0.85), rgba(52, 168, 83, 0.8)), url('https://images.unsplash.com/photo-1586773860418-dc22f8b874bc?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 8rem 0;
        }
        .section-title {
            color: var(--primary-color);
            border-left: 5px solid var(--accent-color);
            padding-left: 15px;
            margin-bottom: 2rem;
        }
        .card {
            border: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 0.75rem 2rem;
            font-weight: 600;
        }
        .btn-primary:hover {
            background-color: #004080;
            border-color: #004080;
        }
        .icon-box {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        footer {
            background-color: var(--dark-color);
            color: white;
        }
        .friendlink-container {
            background-color: #f1f8ff;
            border-radius: 10px;
            padding: 2rem;
        }
        .flink {
            display: inline-block;
            padding: 0.5rem 1rem;
            margin: 0.5rem;
            background: white;
            border-radius: 5px;
            text-decoration: none;
            color: var(--primary-color);
            border: 1px solid #ddd;
            transition: all 0.3s;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: scale(1.05);
        }
        .sticky-top {
            top: 20px;
        }
        .contact-info li {
            margin-bottom: 0.75rem;
        }
        .contact-info i {
            width: 30px;
            color: var(--secondary-color);
        }
        .hospital-img {
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 5rem 0;
            }
            .display-4 {
                font-size: 2.5rem;
            }
        }