*{box-sizing:border-box;margin:0;padding:0}.body{font-family:Arial,sans-serif;line-height:1.6;color:#333}.container{max-width:1200px;margin:0 auto;padding:20px}.heading-1{font-size:2rem;font-weight:700;margin-bottom:1.5rem;color:#1a1a1a}.product-detail{display:grid;grid-template-columns:1fr;gap:2rem}@media (min-width: 768px){.product-detail{grid-template-columns:1fr 1fr}}.gallery{display:flex;flex-direction:column;gap:1rem}.main-image{position:relative;width:100%;aspect-ratio:1;overflow:hidden;cursor:zoom-in}.main-image img{width:100%;height:100%;object-fit:cover;display:block}.zoom-lens{position:absolute;width:100px;height:100px;border:1px solid #ccc;background:#ffffff4d;display:none;pointer-events:none}.thumbnail-grid{display:flex;gap:.5rem}.thumbnail{border:1px solid #ddd;background:none;padding:0;cursor:pointer;transition:border-color .2s}.thumbnail img{width:100%;aspect-ratio:1;object-fit:cover}.thumbnail.active,.thumbnail:hover{border-color:#000}.product-info{display:flex;flex-direction:column;gap:1.5rem}.price{font-size:1.5rem;font-weight:600;color:#1a1a1a}.color-selector{display:flex;flex-direction:column;gap:.5rem}.color-label{font-size:1rem;font-weight:500}.color-options{display:flex;gap:.5rem}.color-option{border:2px solid transparent;padding:2px;cursor:pointer;background:none}.color-option.selected{border:2px solid #000;border-radius:4px}.color-option img{width:40px;height:40px;object-fit:cover}.size-options{display:flex;flex-wrap:wrap;gap:8px}.size-options input[type=radio]{display:none}.size-options label{cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.size-options span{display:inline-block;padding:5px 10px;border:2px solid #ccc;border-radius:4px;font-weight:700;text-align:center;line-height:36px;transition:all .2s;-webkit-user-select:none;user-select:none}.size-options input[type=radio]:checked+span{border-color:#000;background-color:#f0f0f0}.size-options input[type=radio]:disabled+span{opacity:.4;cursor:not-allowed}.add-to-cart{background:#1a1a1a;color:#fff;padding:.75rem 1.5rem;border:none;font-size:1rem;cursor:pointer;transition:background .2s}.add-to-cart:hover{background:#333}.description,.details{font-size:1rem;color:#555}.description h3,.details h3{font-size:1.25rem;margin-bottom:.5rem}.footer{text-align:center;padding:1rem;background:#f8f8f8;margin-top:2rem}@media (max-width: 767px){.main-image{aspect-ratio:4/5}.thumbnail-grid{grid-template-columns:repeat(4,1fr)}.thumbnail img{width:60px}}