* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            color: #333;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        .header {
            text-align: center;
            margin-bottom: 40px;
            padding: 40px 0;
        }

        .header h1 {
            font-size: 3.5rem;
            color: white;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            animation: fadeInDown 1s ease-out;
            background: linear-gradient(45deg, #fff, #f0f8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .header .badge {
            display: inline-block;
            background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
            color: white;
            padding: 8px 20px;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: bold;
            margin-bottom: 15px;
            animation: pulse 2s infinite;
        }

        .header p {
            font-size: 1.3rem;
            color: rgba(255,255,255,0.95);
            animation: fadeInUp 1s ease-out 0.3s both;
            max-width: 600px;
            margin: 0 auto;
        }

        .main-card {
            background: white;
            border-radius: 25px;
            box-shadow: 0 25px 50px rgba(0,0,0,0.15);
            overflow: hidden;
            animation: slideInUp 1s ease-out 0.6s both;
            position: relative;
        }

        .main-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
            background-size: 200% 100%;
            animation: shimmer 3s linear infinite;
        }

        .card-header {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            padding: 40px;
            text-align: center;
            color: white;
            position: relative;
            overflow: hidden;
        }

        .card-header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
            animation: sweep 4s infinite;
        }

        .card-header h2 {
            font-size: 2.5rem;
            margin-bottom: 15px;
            position: relative;
            z-index: 2;
        }

        .card-header .subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
            position: relative;
            z-index: 2;
        }

        .card-body {
            padding: 50px;
        }

        .options-section {
            margin-bottom: 40px;
        }

        .section-title {
            font-size: 1.8rem;
            color: #2c3e50;
            margin-bottom: 25px;
            position: relative;
            padding-left: 20px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 5px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 3px;
        }

        .options-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .option-card {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            color: white;
            padding: 20px;
            border-radius: 15px;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            cursor: pointer;
        }

        .option-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.2);
        }

        .option-card h3 {
            font-size: 1.1rem;
            margin-bottom: 5px;
        }

        .option-card p {
            font-size: 0.9rem;
            opacity: 0.9;
        }

        .pricing-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 40px;
            border-radius: 20px;
            text-align: center;
            margin: 30px 0;
            position: relative;
            overflow: hidden;
        }

        .pricing-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            animation: slide 3s infinite;
        }

        .price-tag {
            display: inline-block;
            background: rgba(255,255,255,0.2);
            padding: 10px 25px;
            border-radius: 50px;
            margin-bottom: 20px;
            font-size: 1rem;
            backdrop-filter: blur(10px);
        }

        .price {
            font-size: 4rem;
            font-weight: bold;
            margin: 20px 0;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            position: relative;
            z-index: 2;
        }

        .price-description {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 25px;
            position: relative;
            z-index: 2;
        }

        .add-to-cart-btn {
            background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
            color: white;
            border: none;
            padding: 18px 50px;
            font-size: 1.2rem;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 8px 25px rgba(0,0,0,0.2);
            position: relative;
            z-index: 2;
            overflow: hidden;
        }

        .add-to-cart-btn::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(255,255,255,0.3);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: all 0.3s ease;
        }

        .add-to-cart-btn:hover::before {
            width: 300px;
            height: 300px;
        }

        .add-to-cart-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.3);
        }

        .tests-section {
            margin-top: 40px;
        }

        .test-details {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 30px;
            border-radius: 20px;
            margin-bottom: 40px;
            border: 1px solid #dee2e6;
        }

        .test-details p {
            font-size: 1.1rem;
            line-height: 1.8;
            color: #495057;
            text-align: center;
        }

        .tests-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }

        .test-item {
            background: white;
            padding: 20px;
            border-radius: 10px;
            border-left: 4px solid #4facfe;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s ease;
        }

        .test-item:hover {
            transform: translateX(5px);
        }

        .test-item h4 {
            color: #2c3e50;
            margin-bottom: 8px;
            font-size: 1.1rem;
        }

        .test-item p {
            color: #666;
            font-size: 0.9rem;
            line-height: 1.5;
        }

        .icon {
            display: inline-block;
            width: 20px;
            height: 20px;
            margin-right: 10px;
            background: #4facfe;
            border-radius: 50%;
        }

        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
        }

        @keyframes shimmer {
            0% {
                background-position: -200% 0;
            }
            100% {
                background-position: 200% 0;
            }
        }

        @keyframes sweep {
            0% {
                transform: translateX(-100%);
            }
            100% {
                transform: translateX(100%);
            }
        }

        @keyframes slide {
            0% {
                left: -100%;
            }
            100% {
                left: 100%;
            }
        }

        @media (max-width: 768px) {
            .header h1 {
                font-size: 2rem;
            }
            
            .card-body {
                padding: 20px;
            }
            
            .options-grid {
                grid-template-columns: 1fr;
            }
            
            .tests-grid {
                grid-template-columns: 1fr;
            }
            
            .price {
                font-size: 2rem;
            }
        }

         * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            color: #333;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        .header {
            text-align: center;
            margin-bottom: 40px;
            padding: 40px 0;
        }

        .header h1 {
            font-size: 3.5rem;
            color: white;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            animation: fadeInDown 1s ease-out;
            background: linear-gradient(45deg, #fff, #f0f8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .header .badge {
            display: inline-block;
            background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
            color: white;
            padding: 8px 20px;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: bold;
            margin-bottom: 15px;
            animation: pulse 2s infinite;
        }

        .header p {
            font-size: 1.3rem;
            color: rgba(255,255,255,0.95);
            animation: fadeInUp 1s ease-out 0.3s both;
            max-width: 600px;
            margin: 0 auto;
        }

        .main-card {
            background: white;
            border-radius: 25px;
            box-shadow: 0 25px 50px rgba(0,0,0,0.15);
            overflow: hidden;
            animation: slideInUp 1s ease-out 0.6s both;
            position: relative;
        }

        .main-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
            background-size: 200% 100%;
            animation: shimmer 3s linear infinite;
        }

        .card-header {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            padding: 40px;
            text-align: center;
            color: white;
            position: relative;
            overflow: hidden;
        }

        .card-header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
            animation: sweep 4s infinite;
        }

        .card-header h2 {
            font-size: 2.5rem;
            margin-bottom: 15px;
            position: relative;
            z-index: 2;
        }

        .card-header .subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
            position: relative;
            z-index: 2;
        }

        .card-body {
            padding: 50px;
        }

        .pricing-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 40px;
            border-radius: 20px;
            text-align: center;
            margin-bottom: 40px;
            position: relative;
            overflow: hidden;
        }

        .pricing-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            animation: slide 3s infinite;
        }

        .price-tag {
            display: inline-block;
            background: rgba(255,255,255,0.2);
            padding: 10px 25px;
            border-radius: 50px;
            margin-bottom: 20px;
            font-size: 1rem;
            backdrop-filter: blur(10px);
        }

        .price {
            font-size: 4rem;
            font-weight: bold;
            margin: 20px 0;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            position: relative;
            z-index: 2;
        }

        .price-description {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 25px;
            position: relative;
            z-index: 2;
        }

        .add-to-cart-btn {
            background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
            color: white;
            border: none;
            padding: 18px 50px;
            font-size: 1.2rem;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 8px 25px rgba(0,0,0,0.2);
            position: relative;
            z-index: 2;
            overflow: hidden;
        }

        .add-to-cart-btn::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(255,255,255,0.3);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: all 0.3s ease;
        }

        .add-to-cart-btn:hover::before {
            width: 300px;
            height: 300px;
        }

        .add-to-cart-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.3);
        }

        .section-title {
            font-size: 1.8rem;
            color: #2c3e50;
            margin-bottom: 25px;
            position: relative;
            padding-left: 20px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 5px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 3px;
        }

        .test-details {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 30px;
            border-radius: 20px;
            margin-bottom: 40px;
            border: 1px solid #dee2e6;
        }

        .test-details p {
            font-size: 1.1rem;
            line-height: 1.8;
            color: #495057;
            text-align: center;
        }

        .tests-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 25px;
        }

        .test-category {
            background: white;
            border-radius: 15px;
            padding: 25px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.08);
            border: 1px solid #e9ecef;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .test-category::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #667eea, #764ba2);
        }

        .test-category:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }

        .category-header {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }

        .category-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            color: white;
            font-size: 1.5rem;
        }

        .category-title {
            font-size: 1.3rem;
            color: #2c3e50;
            font-weight: 600;
        }

        .test-list {
            list-style: none;
        }

        .test-item {
            background: #f8f9fa;
            padding: 12px 18px;
            margin-bottom: 8px;
            border-radius: 8px;
            border-left: 3px solid #667eea;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .test-item:hover {
            background: #e9ecef;
            transform: translateX(5px);
        }

        .test-item-name {
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 4px;
        }

        .test-item-desc {
            font-size: 0.9rem;
            color: #6c757d;
        }

        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes slideInUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
        }

        @keyframes shimmer {
            0% {
                background-position: -200% 0;
            }
            100% {
                background-position: 200% 0;
            }
        }

        @keyframes sweep {
            0% {
                transform: translateX(-100%);
            }
            100% {
                transform: translateX(100%);
            }
        }

        @keyframes slide {
            0% {
                left: -100%;
            }
            100% {
                left: 100%;
            }
        }

        @media (max-width: 768px) {
            .header h1 {
                font-size: 2.5rem;
            }
            
            .card-body {
                padding: 25px;
            }
            
            .tests-grid {
                grid-template-columns: 1fr;
            }
            
            .price {
                font-size: 2.5rem;
            }
            
            .pricing-section {
                padding: 25px;
            }
        }

         * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            color: #333;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        .header {
            text-align: center;
            margin-bottom: 40px;
            padding: 40px 0;
        }

        .header h1 {
            font-size: 3.5rem;
            color: white;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            animation: fadeInDown 1s ease-out;
            background: linear-gradient(45deg, #fff, #f0f8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .header .badge {
            display: inline-block;
            background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
            color: white;
            padding: 8px 20px;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: bold;
            margin-bottom: 15px;
            animation: pulse 2s infinite;
        }

        .header p {
            font-size: 1.3rem;
            color: rgba(255,255,255,0.95);
            animation: fadeInUp 1s ease-out 0.3s both;
            max-width: 600px;
            margin: 0 auto;
        }

        .main-card {
            background: white;
            border-radius: 25px;
            box-shadow: 0 25px 50px rgba(0,0,0,0.15);
            overflow: hidden;
            animation: slideInUp 1s ease-out 0.6s both;
            position: relative;
        }

        .main-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
            background-size: 200% 100%;
            animation: shimmer 3s linear infinite;
        }

        .card-header {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            padding: 40px;
            text-align: center;
            color: white;
            position: relative;
            overflow: hidden;
        }

        .card-header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
            animation: sweep 4s infinite;
        }

        .card-header h2 {
            font-size: 2.5rem;
            margin-bottom: 15px;
            position: relative;
            z-index: 2;
        }

        .card-header .subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
            position: relative;
            z-index: 2;
        }

        .card-body {
            padding: 50px;
        }

        .pricing-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 40px;
            border-radius: 20px;
            text-align: center;
            margin: 30px 0;
            position: relative;
            overflow: hidden;
        }

        .pricing-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            animation: slide 3s infinite;
        }

        .price-tag {
            display: inline-block;
            background: rgba(255,255,255,0.2);
            padding: 10px 25px;
            border-radius: 50px;
            margin-bottom: 20px;
            font-size: 1rem;
            backdrop-filter: blur(10px);
            position: relative;
            z-index: 2;
        }

        .price {
            font-size: 4rem;
            font-weight: bold;
            margin: 20px 0;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            position: relative;
            z-index: 2;
        }

        .add-to-cart-btn {
            background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
            color: white;
            border: none;
            padding: 18px 50px;
            font-size: 1.2rem;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 8px 25px rgba(0,0,0,0.2);
            position: relative;
            z-index: 2;
            overflow: hidden;
        }

        .add-to-cart-btn::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(255,255,255,0.3);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: all 0.3s ease;
        }

        .add-to-cart-btn:hover::before {
            width: 300px;
            height: 300px;
        }

        .add-to-cart-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.3);
        }

        .tests-section {
            margin-top: 40px;
        }

        .section-title {
            font-size: 1.8rem;
            color: #2c3e50;
            margin-bottom: 25px;
            position: relative;
            padding-left: 20px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 5px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 3px;
        }

        .test-details {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 30px;
            border-radius: 20px;
            margin-bottom: 40px;
            border: 1px solid #dee2e6;
        }

        .test-details p {
            font-size: 1.1rem;
            line-height: 1.8;
            color: #495057;
            text-align: center;
        }

        .tests-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }

        .test-item {
            background: white;
            padding: 20px;
            border-radius: 10px;
            border-left: 4px solid #4facfe;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .test-item:hover {
            transform: translateX(5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }

        .test-item h4 {
            color: #2c3e50;
            margin-bottom: 8px;
            font-size: 1.1rem;
        }

        .test-item p {
            color: #666;
            font-size: 0.9rem;
            line-height: 1.5;
        }

        .icon {
            display: inline-block;
            width: 20px;
            height: 20px;
            margin-right: 10px;
            background: #4facfe;
            border-radius: 50%;
        }

        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes slideInUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
        }

        @keyframes shimmer {
            0% {
                background-position: -200% 0;
            }
            100% {
                background-position: 200% 0;
            }
        }

        @keyframes sweep {
            0% {
                transform: translateX(-100%);
            }
            100% {
                transform: translateX(100%);
            }
        }

        @keyframes slide {
            0% {
                left: -100%;
            }
            100% {
                left: 100%;
            }
        }

        @keyframes slideInRight {
            from {
                transform: translateX(100%);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }

        @media (max-width: 768px) {
            .header h1 {
                font-size: 2rem;
            }
            
            .card-body {
                padding: 20px;
            }
            
            .tests-grid {
                grid-template-columns: 1fr;
            }
            
            .price {
                font-size: 2rem;
            }
        }

         * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            color: #333;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        .header {
            text-align: center;
            margin-bottom: 40px;
            padding: 40px 0;
        }
        .header h1 {
            font-size: 3.5rem;
            color: white;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            background: linear-gradient(45deg, #fff, #f0f8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header p {
            font-size: 1.3rem;
            color: rgba(255,255,255,0.95);
            animation: fadeInUp 1s ease-out 0.3s both;
            max-width: 600px;
            margin: 0 auto;
        }
        .main-card {
            background: white;
            border-radius: 25px;
            box-shadow: 0 25px 50px rgba(0,0,0,0.15);
            overflow: hidden;
            animation: slideInUp 1s ease-out 0.6s both;
            position: relative;
        }
        .main-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
            background-size: 200% 100%;
            animation: shimmer 3s linear infinite;
        }
        .card-header {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            padding: 40px;
            text-align: center;
            color: white;
            position: relative;
            overflow: hidden;
        }
        .card-header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
            animation: sweep 4s infinite;
        }
        .card-header h2 {
            font-size: 2.5rem;
            margin-bottom: 15px;
            position: relative;
            z-index: 2;
        }
        .card-header .subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
            position: relative;
            z-index: 2;
        }
        .card-body {
            padding: 50px;
        }
        .pricing-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 40px;
            border-radius: 20px;
            text-align: center;
            margin: 30px 0;
            position: relative;
            overflow: hidden;
        }
        .pricing-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            animation: slide 3s infinite;
        }
        .price-tag {
            display: inline-block;
            background: rgba(255,255,255,0.2);
            padding: 10px 25px;
            border-radius: 50px;
            margin-bottom: 20px;
            font-size: 1rem;
            backdrop-filter: blur(10px);
            position: relative;
            z-index: 2;
        }
        .price {
            font-size: 4rem;
            font-weight: bold;
            margin: 20px 0;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            position: relative;
            z-index: 2;
        }
        .add-to-cart-btn {
            background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
            color: white;
            border: none;
            padding: 18px 50px;
            font-size: 1.2rem;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 8px 25px rgba(0,0,0,0.2);
            position: relative;
            z-index: 2;
            overflow: hidden;
        }
        .add-to-cart-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.3);
        }
        .tests-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }
        .test-item {
            background: white;
            padding: 20px;
            border-radius: 10px;
            border-left: 4px solid #4facfe;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .test-item:hover {
            transform: translateX(5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }
        .test-item h4 {
            color: #2c3e50;
            margin-bottom: 8px;
            font-size: 1.1rem;
        }
        .icon {
            display: inline-block;
            width: 20px;
            height: 20px;
            margin-right: 10px;
            background: #4facfe;
            border-radius: 50%;
        }
        @keyframes shimmer {
            0% { background-position: -200% 0; }
            100% { background-position: 200% 0; }
        }
        @keyframes sweep {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(100%); }
        }
        @keyframes slide {
            0% { left: -100%; }
            100% { left: 100%; }
        }
         * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            color: #333;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        .header {
            text-align: center;
            margin-bottom: 40px;
            padding: 40px 0;
        }
        .header h1 {
            font-size: 3.5rem;
            color: white;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            background: linear-gradient(45deg, #fff, #f0f8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header .badge {
            display: inline-block;
            background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
            color: white;
            padding: 8px 20px;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: bold;
            margin-bottom: 15px;
            animation: pulse 2s infinite;
        }
        .header p {
            font-size: 1.3rem;
            color: rgba(255,255,255,0.95);
            animation: fadeInUp 1s ease-out 0.3s both;
            max-width: 600px;
            margin: 0 auto;
        }
        .main-card {
            background: white;
            border-radius: 25px;
            box-shadow: 0 25px 50px rgba(0,0,0,0.15);
            overflow: hidden;
            animation: slideInUp 1s ease-out 0.6s both;
            position: relative;
        }
        .main-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
            background-size: 200% 100%;
            animation: shimmer 3s linear infinite;
        }
        .card-header {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            padding: 40px;
            text-align: center;
            color: white;
            position: relative;
            overflow: hidden;
        }
        .card-header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
            animation: sweep 4s infinite;
        }
        .card-header h2 {
            font-size: 2.5rem;
            margin-bottom: 15px;
            position: relative;
            z-index: 2;
        }
        .card-header .subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
            position: relative;
            z-index: 2;
        }
        .card-body {
            padding: 50px;
        }
        .options-section {
            margin-bottom: 40px;
        }
        .section-title {
            font-size: 1.8rem;
            color: #2c3e50;
            margin-bottom: 25px;
            position: relative;
            padding-left: 20px;
        }
        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 5px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 3px;
        }
        .selection-group {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 15px;
            margin-bottom: 25px;
            border: 2px solid #e9ecef;
        }
        .selection-group h4 {
            font-size: 1.3rem;
            color: #2c3e50;
            margin-bottom: 15px;
            text-align: center;
        }
        .radio-options {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
        }
        .radio-option {
            position: relative;
        }
        .radio-option input[type="radio"] {
            position: absolute;
            opacity: 0;
            cursor: pointer;
        }
        .radio-option label {
            display: block;
            background: white;
            padding: 20px;
            border-radius: 12px;
            border: 2px solid #e9ecef;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        .radio-option label:hover {
            border-color: #667eea;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .radio-option input[type="radio"]:checked + label {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border-color: #667eea;
            transform: scale(1.02);
        }
        .radio-option-title {
            font-weight: 600;
            font-size: 1.1rem;
            margin-bottom: 5px;
        }
        .radio-option-desc {
            font-size: 0.9rem;
            opacity: 0.8;
        }
        .radio-option input[type="radio"]:checked + label .radio-option-desc {
            opacity: 0.9;
        }
        .pricing-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 40px;
            border-radius: 20px;
            text-align: center;
            margin: 30px 0;
            position: relative;
            overflow: hidden;
        }
        .pricing-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            animation: slide 3s infinite;
        }
        .price-tag {
            display: inline-block;
            background: rgba(255,255,255,0.2);
            padding: 10px 25px;
            border-radius: 50px;
            margin-bottom: 20px;
            font-size: 1rem;
            backdrop-filter: blur(10px);
            position: relative;
            z-index: 2;
        }
        .price {
            font-size: 4rem;
            font-weight: bold;
            margin: 20px 0;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            position: relative;
            z-index: 2;
        }
        .price-description {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 25px;
            position: relative;
            z-index: 2;
        }
        .add-to-cart-btn {
            background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
            color: white;
            border: none;
            padding: 18px 50px;
            font-size: 1.2rem;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 8px 25px rgba(0,0,0,0.2);
            position: relative;
            z-index: 2;
            overflow: hidden;
        }
        .add-to-cart-btn::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(255,255,255,0.3);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: all 0.3s ease;
        }
        .add-to-cart-btn:hover::before {
            width: 300px;
            height: 300px;
        }
        .add-to-cart-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.3);
        }
        .add-to-cart-btn:disabled {
            background: #ccc;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }
        .tests-section {
            margin-top: 40px;
        }
        .test-details {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 30px;
            border-radius: 20px;
            margin-bottom: 40px;
            border: 1px solid #dee2e6;
        }
        .test-details p {
            font-size: 1.1rem;
            line-height: 1.8;
            color: #495057;
            text-align: center;
        }
        .tests-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }
        .test-item {
            background: white;
            padding: 20px;
            border-radius: 10px;
            border-left: 4px solid #4facfe;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .test-item:hover {
            transform: translateX(5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }
        .test-item h4 {
            color: #2c3e50;
            margin-bottom: 8px;
            font-size: 1.1rem;
        }
        .test-item p {
            color: #666;
            font-size: 0.9rem;
            line-height: 1.5;
        }
        .icon {
            display: inline-block;
            width: 20px;
            height: 20px;
            margin-right: 10px;
            background: #4facfe;
            border-radius: 50%;
        }
        .selection-summary {
            background: linear-gradient(135deg, #e8f5e8 0%, #d4edda 100%);
            padding: 20px;
            border-radius: 15px;
            margin: 20px 0;
            border: 2px solid #c3e6cb;
            display: none;
        }
        .selection-summary.show {
            display: block;
            animation: fadeIn 0.5s ease-out;
        }
        .selection-summary h4 {
            color: #155724;
            margin-bottom: 10px;
        }
        .selection-summary p {
            color: #155724;
            margin: 5px 0;
        }
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @keyframes slideInUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
        }
        @keyframes shimmer {
            0% {
                background-position: -200% 0;
            }
            100% {
                background-position: 200% 0;
            }
        }
        @keyframes sweep {
            0% {
                transform: translateX(-100%);
            }
            100% {
                transform: translateX(100%);
            }
        }
        @keyframes slide {
            0% {
                left: -100%;
            }
            100% {
                left: 100%;
            }
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }
        @media (max-width: 768px) {
            .header h1 {
                font-size: 2rem;
            }
            .card-body {
                padding: 20px;
            }
            .radio-options {
                grid-template-columns: 1fr;
            }
            .tests-grid {
                grid-template-columns: 1fr;
            }
            .price {
                font-size: 2rem;
            }
        }