/* Art Supreme – minimal layout */
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, sans-serif; line-height: 1.5; color: #222; background: #fafafa; }
.site-header { display: flex; justify-content: space-between; align-items: center; padding: 1rem 2rem; background: #111; color: #fff; }
.site-header a { color: inherit; text-decoration: none; }
.site-header nav a { margin-left: 1.5rem; }
.site-header nav a:hover, .site-header nav a.active { text-decoration: underline; }
.site-main { max-width: 1200px; margin: 0 auto; padding: 2rem; }
.site-footer { text-align: center; padding: 2rem; color: #666; font-size: 0.9rem; }
.intro { text-align: center; margin-bottom: 3rem; }
.intro h1 { font-size: 2rem; margin-bottom: 0.5rem; }
.gallery.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.5rem; }
.product-card { display: block; text-decoration: none; color: inherit; background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.08); transition: transform 0.2s; }
.product-card:hover { transform: translateY(-4px); }
.product-card img { width: 100%; height: 260px; object-fit: cover; display: block; }
.product-card .no-img { width: 100%; height: 260px; background: #eee; display: flex; align-items: center; justify-content: center; color: #999; }
.product-card .product-title { display: block; padding: 0.75rem 1rem; font-weight: 600; }
.product-card .product-price { display: block; padding: 0 1rem 0.75rem; color: #666; font-size: 0.9rem; }
.product-page { display: grid; gap: 2rem; }
@media (min-width: 768px) { .product-page { grid-template-columns: 1fr 1fr; } }
.product-gallery { display: flex; flex-direction: column; gap: 0.5rem; }
.product-gallery img { width: 100%; height: auto; border-radius: 8px; }
.product-gallery img.main { order: -1; }
.product-info h1 { margin-top: 0; }
.product-info .excerpt { color: #555; }
.product-info .content { margin: 1rem 0; }
.btn { display: inline-block; padding: 0.75rem 1.5rem; background: #111; color: #fff; text-decoration: none; border-radius: 6px; margin-top: 1rem; }
.btn:hover { background: #333; }
.back { display: inline-block; margin-bottom: 1rem; color: #666; text-decoration: none; }
.back:hover { color: #111; }
.page h1 { margin-top: 0; }