.product-grid{display:grid;grid-template-columns:220px 1fr;gap:2rem;max-width:1200px;margin:2rem auto}.product-sidebar{background:#fff;border-radius:12px;box-shadow:0 2px 12px #00000014;padding:1.5rem}.product-sidebar h2{margin-bottom:1rem;font-size:1.3rem;color:#1f1f66}.product-sidebar ul{list-style:none;padding:0}.product-sidebar li{padding:.5rem 0;color:#333;cursor:pointer;transition:color .2s}.product-sidebar li:hover{color:#1f1f66}.product-sidebar li.active{font-weight:700;color:#1f1f66}.product-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}.product-card{background:#fff;border-radius:10px;box-shadow:0 2px 10px #00000014;text-align:center;overflow:hidden;padding-bottom:1rem}.product-card img{width:100%;height:240px;object-fit:cover;display:block}.product-card h3{font-size:1rem;color:#1f1f66;margin:.5rem 0}.product-card p{font-size:.9rem;color:#555;margin:.3rem 0 1rem}.view-btn{background:#1f1f66;color:#fff;border:none;padding:.6rem 1.2rem;border-radius:6px;cursor:pointer;font-size:.9rem;transition:background .2s}.view-btn:hover{background:#339}@media (max-width: 900px){.product-grid{grid-template-columns:1fr}.product-cards{grid-template-columns:repeat(2,1fr)}}@media (max-width: 500px){.product-cards{grid-template-columns:1fr}}