:root {
            --primary-color: #0066cc;
            --secondary-color: #003366;
            --accent-color: #ff9900;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--dark-color);
            padding-top: 76px;
        }
        .navbar-brand {
            font-weight: bold;
            font-size: 1.8rem;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 51, 102, 0.8), rgba(0, 102, 204, 0.8)), url('https://images.unsplash.com/photo-1519494026892-80bbd2d6fd0d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 150px 0;
        }
        .section-title {
            color: var(--secondary-color);
            border-bottom: 3px solid var(--accent-color);
            display: inline-block;
            padding-bottom: 10px;
            margin-bottom: 30px;
        }
        .service-card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        .doctor-card {
            text-align: center;
            padding: 20px;
            border: 1px solid #ddd;
            border-radius: 10px;
            transition: all 0.3s ease;
        }
        .doctor-card:hover {
            border-color: var(--primary-color);
            box-shadow: 0 5px 15px rgba(0,102,204,0.2);
        }
        .doctor-card img {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            object-fit: cover;
            margin-bottom: 15px;
        }
        footer {
            background-color: var(--secondary-color);
            color: white;
            padding: 40px 0;
        }
        friendlink {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
            margin-bottom: 20px;
        }
        .flink {
            display: inline-block;
            padding: 10px 20px;
            background-color: var(--light-color);
            color: var(--dark-color);
            border-radius: 5px;
            text-decoration: none;
            transition: background-color 0.3s ease, color 0.3s ease;
        }
        .flink:hover {
            background-color: var(--accent-color);
            color: white;
        }
        .contact-info p {
            margin-bottom: 10px;
        }
        .contact-info i {
            width: 25px;
            color: var(--primary-color);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2rem;
            }
            .hero-section {
                padding: 100px 0;
            }
            friendlink {
                flex-direction: column;
                align-items: center;
            }
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }
        .btn-primary:hover {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
        }
        .bg-light-custom {
            background-color: var(--light-color);
        }