header nav{display:flex;gap:1rem;flex-wrap:wrap}header nav a{color:#fff;text-decoration:none;font-weight:700}.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin:1.5rem 0}.product img,.gallery img{display:block;width:100%;height:auto;max-height:36rem;object-fit:contain;background:#eef3f5}.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}.product-detail{max-width:800px;margin:auto;background:#fff;padding:1.5rem;border-radius:1rem}select{width:100%;border:1px solid #9babb4;border-radius:9px;padding:.8rem;font:inherit}.document small{display:block;margin-top:.35rem}@media(max-width:720px){header{height:auto;align-items:flex-start;gap:.5rem;flex-direction:column}header nav{font-size:.9rem}.product-detail{padding:1rem}}