.catalogue-hero { background: var(--ink-900); color: #c9d2ea; padding: 4.5rem 0 3.5rem; }
.catalogue-hero h1 { color: #fff; font-size: clamp(2.4rem, 5vw, 4.5rem); max-width: 800px; }
.catalogue-hero p { font-size: 1.05rem; max-width: 700px; }
.catalogue-layout { display: grid; gap: 2rem; grid-template-columns: 270px minmax(0, 1fr); }
.filter-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); display: grid; gap: 1rem; padding: 1.25rem; position: sticky; top: 96px; }
.filter-card label { display: grid; font-size: .82rem; font-weight: 600; gap: .35rem; }
.filter-card .form-check { align-items: center; display: flex; gap: .55rem; }
.filter-pair { display: grid; gap: .65rem; grid-template-columns: 1fr 1fr; }
.catalogue-summary { margin-bottom: 1.25rem; }
.empty-state { background: #fff; border: 1px dashed var(--border); border-radius: var(--radius-lg); padding: 4rem 2rem; text-align: center; }
.empty-state i { color: var(--stamp); font-size: 2rem; }
.product-card-image { aspect-ratio: 16/10; display: block; object-fit: cover; width: 100%; }
.card-link { font-weight: 600; text-decoration: none; }
.product-breadcrumb { align-items: center; display: flex; flex-wrap: wrap; font-size: .85rem; gap: .5rem; margin-bottom: 2rem; }
.product-breadcrumb a { text-decoration: none; }
.product-detail-grid { align-items: start; display: grid; gap: 4rem; grid-template-columns: 1.05fr .95fr; }
.product-gallery { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.product-gallery img { display: block; width: 100%; }
.product-gallery .product-placeholder { aspect-ratio: 1; }
.product-summary h1 { font-size: clamp(2.4rem, 5vw, 4.5rem); letter-spacing: -.04em; }
.detail-prices { border-block: 1px solid var(--border); display: grid; gap: 1rem; grid-template-columns: 1fr 1fr; margin: 2rem 0; padding: 1.5rem 0; }
.detail-prices div { display: grid; gap: .35rem; }
.detail-prices span { color: var(--text-muted); font-size: .8rem; }
.detail-prices strong { font-size: 1.4rem; }
.availability { align-items: center; color: var(--due); display: flex; gap: .5rem; margin-bottom: 1.5rem; }
.availability.available { color: var(--paid); }
.plan-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.plan-grid article { background: var(--paper); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.plan-grid h3 { font-size: 1.1rem; }
.plan-grid dl, .spec-list { margin: 0; }
.plan-grid dl div, .spec-list div { align-items: center; border-top: 1px solid var(--border); display: flex; justify-content: space-between; padding: .8rem 0; }
.plan-grid dd, .spec-list dd { margin: 0; }
.indicative-note { color: var(--text-muted); font-size: .85rem; margin-top: 1rem; }
.spec-list { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 0 1.5rem; }
.product-copy { font-size: 1.05rem; line-height: 1.8; margin-top: 2rem; }
@media (max-width: 991px) { .catalogue-layout, .product-detail-grid { grid-template-columns: 1fr; } .filter-card { position: static; } }
@media (max-width: 575px) { .filter-pair, .detail-prices { grid-template-columns: 1fr; } }