* {
     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;
 }

 .book-btn {
     width: 100%;
     padding: 18px 50px;
     background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
     color: white;
     border: none;
     border-radius: 50px;
     font-size: 1.2rem;
     font-weight: bold;
     cursor: pointer;
     transition: all 0.3s ease;
     box-shadow: 0 4px 15px rgba(46, 125, 50, 0.3);
     position: relative;
     z-index: 2;
     overflow: hidden;
 }

 .book-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;
 }

 .book-btn:hover::before {
     width: 300px;
     height: 300px;
 }

 .book-btn:hover {
     background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
     transform: translateY(-2px);
     box-shadow: 0 6px 20px rgba(46, 125, 50, 0.4);
 }

 .book-btn:active {
     transform: translateY(0);
 }


 .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;
     }
 }


 /* Modal Styles */
 .modal-overlay {
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background: rgba(0, 0, 0, 0.8);
     backdrop-filter: blur(10px);
     display: flex;
     justify-content: center;
     align-items: center;
     z-index: 9999;
     opacity: 0;
     visibility: hidden;
     transition: all 0.3s ease;
 }

 .modal-overlay.active {
     opacity: 1;
     visibility: visible;
 }

 .login-modal {
     background: white;
     border-radius: 20px;
     padding: 40px;
     max-width: 450px;
     width: 90%;
     max-height: 90vh;
     overflow-y: auto;
     box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
     transform: scale(0.7) translateY(50px);
     transition: all 0.3s ease;
     position: relative;
 }

 .modal-overlay.active .login-modal {
     transform: scale(1) translateY(0);
 }

 .close-modal {
     position: absolute;
     top: 15px;
     right: 20px;
     background: none;
     border: none;
     font-size: 2rem;
     cursor: pointer;
     color: #999;
     transition: color 0.2s ease;
 }

 .close-modal:hover {
     color: #333;
 }

 .login-header {
     text-align: center;
     margin-bottom: 30px;
 }

 .login-header h2 {
     color: #333;
     margin-bottom: 10px;
     font-size: 1.8rem;
 }

 .login-header p {
     color: #666;
 }

 .form-group {
     margin-bottom: 25px;
 }

 .form-group label {
     display: block;
     margin-bottom: 8px;
     color: #333;
     font-weight: 600;
 }

 .form-group input {
     width: 100%;
     padding: 15px;
     border: 2px solid #eee;
     border-radius: 10px;
     font-size: 1rem;
     transition: border-color 0.3s ease;
 }

 .form-group input:focus {
     outline: none;
     border-color: #667eea;
     box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
 }

 .login-btn {
     width: 100%;
     background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
     color: white;
     border: none;
     padding: 15px;
     border-radius: 10px;
     font-size: 1.1rem;
     font-weight: 600;
     cursor: pointer;
     transition: all 0.3s ease;
 }

 .login-btn:hover {
     transform: translateY(-2px);
     box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
 }

 .login-btn:disabled {
     opacity: 0.7;
     cursor: not-allowed;
     transform: none;
 }

 .forgot-password {
     text-align: center;
     margin-top: 20px;
 }

 .forgot-password a {
     color: #667eea;
     text-decoration: none;
     font-weight: 500;
 }

 .forgot-password a:hover {
     text-decoration: underline;
 }

 /* Animations */
 @keyframes fadeInUp {
     from {
         opacity: 0;
         transform: translateY(30px);
     }

     to {
         opacity: 1;
         transform: translateY(0);
     }
 }

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

     to {
         transform: translateX(0);
         opacity: 1;
     }
 }

 /* Responsive Design */
 @media (max-width: 768px) {
     .header h1 {
         font-size: 2rem;
     }

     .card-header h2 {
         font-size: 1.8rem;
     }

     .price {
         font-size: 2.5rem;
     }

     .tests-grid {
         grid-template-columns: 1fr;
     }

     .login-modal {
         padding: 30px 20px;
     }
 }