:root {
            --primary-color: #0056a6;
            --secondary-color: #00a8a8;
            --accent-color: #ff6b35;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5 {
            font-weight: 700;
            color: var(--primary-color);
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-color) !important;
        }
        .navbar-brand span {
            color: var(--accent-color);
        }
        .nav-link {
            font-weight: 600;
            margin: 0 8px;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--accent-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 86, 166, 0.85), rgba(0, 168, 168, 0.85)), 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: 150px 0;
        }
        .hero-section h1 {
            color: white;
            font-size: 3.5rem;
        }
        .section-padding {
            padding: 100px 0;
        }
        .section-title {
            position: relative;
            margin-bottom: 60px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 5px;
            background: var(--accent-color);
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
        }
        .icon-box {
            background: var(--light-color);
            padding: 40px 30px;
            border-radius: 15px;
            transition: transform 0.4s, box-shadow 0.4s;
            height: 100%;
        }
        .icon-box:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .icon-box i {
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        .doctor-card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            transition: transform 0.3s;
        }
        .doctor-card:hover {
            transform: scale(1.03);
        }
        .doctor-card img {
            height: 300px;
            object-fit: cover;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 12px 30px;
            font-weight: 600;
            transition: background 0.3s;
        }
        .btn-primary:hover {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
        }
        .contact-info i {
            color: var(--primary-color);
            margin-right: 15px;
        }
        .friend-links {
            background: var(--light-color);
            padding: 40px 0;
        }
        .flink {
            display: inline-block;
            margin: 10px 20px;
            padding: 10px 20px;
            background: white;
            border-radius: 8px;
            color: var(--dark-color);
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            border: 2px solid transparent;
        }
        .flink:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
            transform: scale(1.05);
        }
        footer {
            background: var(--dark-color);
            color: white;
        }
        footer a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        footer a:hover {
            color: white;
        }
        .map-container iframe {
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .testimonial-card {
            border-left: 5px solid var(--accent-color);
            background: #f8f9fa;
            padding: 30px;
            border-radius: 0 15px 15px 0;
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .section-padding {
                padding: 60px 0;
            }
            .flink {
                display: block;
                margin: 10px auto;
                width: 80%;
            }
        }