.product-detail{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:35px}.product-gallery>.product-image{min-height:470px}.product-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px}.product-thumbs div{padding:20px;text-align:center;background:#111820;border:1px solid #283746}.product-info h1{font-size:clamp(36px,5vw,64px);line-height:1;margin:12px 0}.product-info form{display:flex;gap:12px;align-items:end;flex-wrap:wrap}.product-info input,.cart-qty{background:#07111b;color:white;border:1px solid #405266;border-radius:7px;padding:12px}.cart-list{display:grid;gap:12px}.cart-row{display:grid;grid-template-columns:1fr auto auto auto;align-items:center;gap:18px;padding:18px;background:#111820;border:1px solid #283746;border-radius:10px}.cart-summary{margin:22px 0 0 auto;max-width:430px;padding:22px;background:#111820;border:1px solid #34495d;border-radius:10px}@media(max-width:750px){.product-detail{grid-template-columns:1fr}.product-gallery>.product-image{min-height:300px}.cart-row{grid-template-columns:1fr}.cart-row form{display:flex;gap:8px;flex-wrap:wrap}}