*{box-sizing:border-box;margin:0;padding:0}body{color:#333;background-color:#f5f5f5;flex-direction:column;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;line-height:1.6;display:flex}.container{max-width:1200px;margin:0 auto;padding:0 20px}header{color:#fff;text-align:center;background-color:#8e44ad;padding:20px 0}header h1{margin-bottom:5px;font-size:2rem}header h1 a{color:#fff;text-decoration:none}header h1 a:hover{opacity:.9}.tagline{opacity:.8;font-size:1rem}main{flex:1;padding:40px 0}main h2{text-align:center;color:#8e44ad;margin-bottom:30px;font-size:1.8rem}.product-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;display:grid}.product-card{background:#fff;border-radius:10px;transition:transform .2s,box-shadow .2s;overflow:hidden;box-shadow:0 2px 10px #0000001a}.product-card:hover{transform:translateY(-5px);box-shadow:0 5px 20px #00000026}.product-image{color:#fff;justify-content:center;align-items:center;height:180px;font-size:1.5rem;font-weight:700;display:flex}.product-info{padding:20px}.product-info h3{color:#8e44ad;margin-bottom:10px;font-size:1.2rem}.product-description{color:#666;margin-bottom:15px;font-size:.9rem}.product-price{color:#27ae60;margin-bottom:15px;font-size:1.4rem;font-weight:700}.btn{color:#fff;cursor:pointer;text-align:center;background-color:#9b59b6;border:none;border-radius:5px;padding:12px 24px;font-size:1rem;text-decoration:none;transition:background-color .2s;display:inline-block}.btn:hover{background-color:#8e44ad}.btn-large{width:100%;padding:15px;font-size:1.1rem}.checkout-wrapper{background:#fff;border-radius:10px;max-width:500px;margin:0 auto;padding:30px;box-shadow:0 2px 10px #0000001a}.order-summary{background:#f8f9fa;border-radius:5px;margin-bottom:30px;padding:20px}.order-summary h3{margin-bottom:10px;font-size:1.1rem}.order-summary p{margin:5px 0}.checkout-form .form-group{margin-bottom:20px}.checkout-form label{color:#555;margin-bottom:5px;font-weight:500;display:block}.checkout-form input{border:1px solid #ddd;border-radius:5px;width:100%;padding:12px;font-size:1rem}.checkout-form input:focus{border-color:#9b59b6;outline:none;box-shadow:0 0 0 2px #9b59b633}.confirmation{text-align:center;background:#fff;border-radius:10px;max-width:500px;margin:0 auto;padding:50px 30px;box-shadow:0 2px 10px #0000001a}.confirmation-icon{color:#fff;background-color:#27ae60;border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;margin:0 auto 20px;font-size:40px;display:flex}.confirmation h2{color:#27ae60;margin-bottom:15px}.confirmation p{color:#666;margin-bottom:10px}.order-details{margin:20px 0;font-size:1.2rem}.confirmation .btn{margin-top:20px}footer{color:#fff;text-align:center;background-color:#8e44ad;margin-top:auto;padding:15px 0}footer p{opacity:.8;font-size:.9rem}@media (max-width:600px){header h1{font-size:1.5rem}.product-grid{grid-template-columns:1fr}}