:root {
            --primary-blue: #0d6efd;
            --secondary-teal: #20c997;
            --accent-gold: #ffc107;
            --dark-navy: #1a365d;
            --light-gray: #f8f9fa;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: #333;
        }
        .hero-section {
            background: linear-gradient(rgba(13, 110, 253, 0.85), rgba(26, 54, 93, 0.9)), url('https://images.unsplash.com/photo-1559757148-5c350d0d3c56?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0 80px;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            color: var(--dark-navy);
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--secondary-teal);
        }
        .text-center .section-title:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .service-card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .service-icon {
            width: 70px;
            height: 70px;
            background: var(--primary-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: -35px auto 20px;
            color: white;
            font-size: 28px;
        }
        .doctor-card {
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .doctor-card:hover {
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }
        .doctor-img {
            height: 280px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .doctor-card:hover .doctor-img {
            transform: scale(1.05);
        }
        .testimonial-card {
            background: var(--light-gray);
            border-radius: 12px;
            padding: 30px;
            height: 100%;
            border-left: 5px solid var(--secondary-teal);
        }
        .testimonial-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            object-fit: cover;
            margin-right: 15px;
        }
        .contact-info-box {
            background: white;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            text-align: center;
            height: 100%;
            transition: transform 0.3s ease;
        }
        .contact-info-box:hover {
            transform: translateY(-5px);
        }
        .contact-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary-blue), var(--secondary-teal));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 28px;
        }
        footer {
            background: var(--dark-navy);
            color: white;
            padding-top: 60px;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            display: block;
            margin-bottom: 10px;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .friendlink {
            display: inline-block;
            margin: 5px 10px;
            padding: 8px 15px;
            background: rgba(255,255,255,0.1);
            border-radius: 6px;
            color: #ccc;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .friendlink:hover {
            background: var(--primary-blue);
            color: white;
            transform: translateY(-3px);
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
        }
        .nav-link {
            font-weight: 500;
            margin: 0 5px;
            border-radius: 6px;
        }
        .nav-link:hover, .nav-link.active {
            background: rgba(13, 110, 253, 0.1);
            color: var(--primary-blue);
        }
        .btn-primary {
            background: var(--primary-blue);
            border: none;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-primary:hover {
            background: #0b5ed7;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(13, 110, 253, 0.3);
        }
        .stats-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-blue);
            display: block;
            line-height: 1;
        }
        .stats-label {
            font-size: 1rem;
            color: #666;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(13, 110, 253, 0.05);
            color: var(--dark-navy);
            font-weight: 600;
        }
        .form-control:focus, .form-select:focus {
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0 50px;
            }
            .display-4 {
                font-size: 2.2rem;
            }
            .doctor-img {
                height: 220px;
            }
        }