:root {
            --primary-blue: #0d6efd;
            --secondary-teal: #20c997;
            --accent-green: #198754;
            --dark-gray: #212529;
            --light-gray: #f8f9fa;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            color: #333;
        }
        .navbar {
            background: rgba(255,255,255,0.98) !important;
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            box-shadow: var(--shadow);
        }
        .hero {
            background: linear-gradient(135deg, #0d6efd 0%, #20c997 100%);
            color: white;
            padding: 120px 0 80px;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800" opacity="0.05"><path d="M0 0h1200v800H0z" fill="none"/><path d="M600 200l100 200-100 100-100-100z" fill="white"/><circle cx="300" cy="400" r="80" fill="white"/><rect x="800" y="300" width="120" height="120" fill="white"/></svg>');
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--primary-blue);
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 24px rgba(0,0,0,0.12);
        }
        .service-icon {
            width: 70px;
            height: 70px;
            background: var(--primary-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: white;
            font-size: 28px;
        }
        .doctor-card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .doctor-card:hover .doctor-img {
            transform: scale(1.05);
        }
        .doctor-img {
            height: 280px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .emergency-banner {
            background: linear-gradient(90deg, #dc3545 0%, #c82333 100%);
            color: white;
            padding: 30px;
            border-radius: 12px;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.5); }
            70% { box-shadow: 0 0 0 15px rgba(220, 53, 69, 0); }
            100% { box-shadow: 0 0 0 0 rgba(220, 53, 69, 0); }
        }
        .flink {
            display: inline-block;
            padding: 8px 16px;
            margin: 5px;
            background: var(--light-gray);
            border-radius: 6px;
            color: var(--dark-gray);
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid #dee2e6;
        }
        .flink:hover {
            background: var(--primary-blue);
            color: white;
            transform: translateY(-3px);
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(13, 110, 253, 0.1);
            color: var(--primary-blue);
        }
        footer {
            background: var(--dark-gray);
            color: white;
            padding-top: 60px;
        }
        footer a {
            color: #adb5bd;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        footer a:hover {
            color: white;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary-blue);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 1000;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        @media (max-width: 768px) {
            .hero {
                padding: 100px 0 60px;
            }
            .display-4 {
                font-size: 2.5rem;
            }
        }