/* =============================================================================
   Kopek catalogue system
   Data-driven product index and category pages.
   ============================================================================= */

.catalogue-hero {
  position: relative;
  min-height: 720px;
  padding: 176px 40px 72px;
  overflow: hidden;
  background: var(--surface-tint);
}
.catalogue-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: linear-gradient(to right, rgba(11,78,82,.07) 1px, transparent 1px);
  background-size: min(16vw, 220px) 100%;
  pointer-events: none;
}
.catalogue-hero::after {
  content: '';
  position: absolute; right: 0; bottom: 0;
  width: min(42vw, 620px); aspect-ratio: 1;
  border: 1px solid rgba(11,78,82,.14);
  transform: translate(20%, 42%) rotate(45deg);
  pointer-events: none;
}
.catalogue-hero-inner { position: relative; z-index: 1; max-width: 1320px; margin: 0 auto; }
.catalogue-breadcrumb {
  display: flex; gap: 8px; align-items: center;
  margin-bottom: 48px;
  font-family: var(--font-heading); font-size: 10px; font-weight: 700;
  letter-spacing: .15em; text-transform: uppercase; color: var(--text-muted);
}
.catalogue-breadcrumb a:hover { color: var(--brand-accent-hover); }
.catalogue-breadcrumb .sep { color: var(--brand-accent); }
.catalogue-kicker {
  margin-bottom: 18px;
  font-family: var(--font-heading); font-size: 10px; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase; color: var(--brand-accent-text);
}
.catalogue-title {
  max-width: 980px;
  font-family: var(--font-heading); font-size: clamp(3.5rem, 7vw, 7.5rem);
  font-weight: 200; letter-spacing: -.06em; line-height: .95; color: var(--brand-primary);
}
.catalogue-title em { font-family: 'Cormorant Garamond', Georgia, serif; font-weight: 300; }
.catalogue-title .accent-word { color: var(--brand-accent); }
.catalogue-lead {
  max-width: 680px; margin-top: 32px;
  font-size: 17px; font-weight: 300; line-height: 1.75; color: var(--text-muted);
}
.catalogue-hero-bottom {
  display: grid; grid-template-columns: repeat(4, 1fr) minmax(220px, auto);
  gap: 24px; align-items: end; margin-top: 104px;
  border-top: 1px solid rgba(11,78,82,.16); padding-top: 28px;
}
.catalogue-stat-val {
  font-family: 'Cormorant Garamond', Georgia, serif; font-size: 3.5rem;
  font-weight: 300; font-style: italic; line-height: .9; color: var(--brand-primary);
}
.catalogue-stat-label {
  margin-top: 9px; font-family: var(--font-heading); font-size: 9px; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase; color: var(--text-muted);
}
.catalogue-actions { display: flex; justify-content: flex-end; gap: 12px; flex-wrap: wrap; }

.range-index { max-width: 1400px; margin: 0 auto; padding: 112px 40px 128px; }
.range-index-head {
  display: grid; grid-template-columns: 1fr minmax(280px, 420px);
  gap: 48px; align-items: end; margin-bottom: 56px;
}
.range-index-title {
  font-family: var(--font-heading); font-size: clamp(2.6rem, 5vw, 5rem);
  font-weight: 200; line-height: 1; letter-spacing: -.045em; color: var(--brand-primary);
}
.range-index-title em { font-family: 'Cormorant Garamond', Georgia, serif; font-weight: 300; }
.range-index-note { font-size: 15px; font-weight: 300; line-height: 1.7; color: var(--text-muted); }
.range-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--border); }
.range-card {
  position: relative; min-height: 270px; padding: 30px 32px 28px;
  border-bottom: 1px solid var(--border);
  transition: background 220ms var(--ease-standard), padding-left 220ms var(--ease-standard);
  overflow: hidden;
}
.range-card:nth-child(odd) { border-right: 1px solid var(--border); }
.range-card:hover { background: var(--surface-tint); padding-left: 40px; }
.range-card-num {
  display: block; margin-bottom: 46px;
  font-family: var(--font-heading); font-size: 10px; font-weight: 700;
  letter-spacing: .18em; color: var(--brand-accent-text);
}
.range-card-name {
  max-width: 540px; font-family: var(--font-heading); font-size: clamp(1.5rem, 2.8vw, 2.6rem);
  font-weight: 300; letter-spacing: -.035em; line-height: 1.04; color: var(--brand-primary);
}
.range-card-families {
  max-width: 560px; margin-top: 14px; font-size: 13px; font-weight: 300;
  line-height: 1.6; color: var(--text-muted);
}
.range-card-count {
  position: absolute; right: 30px; top: 28px;
  font-family: 'Cormorant Garamond', Georgia, serif; font-size: 2rem; font-style: italic;
  color: var(--brand-primary); opacity: .6;
}
.range-card-arrow {
  position: absolute; right: 30px; bottom: 28px;
  color: var(--brand-accent); transition: transform 220ms var(--ease-standard);
}
.range-card:hover .range-card-arrow { transform: translateX(8px); }
.range-card-arrow svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.5; }

.catalogue-note {
  display: grid; grid-template-columns: 1fr 1fr; min-height: 520px;
  background: var(--brand-primary); color: #fff;
}
.catalogue-note-copy { padding: 96px max(40px, calc((100vw - 1320px) / 2)); padding-right: 72px; }
.catalogue-note-copy .catalogue-kicker { color: #E5C693; }
.catalogue-note-title {
  max-width: 620px; font-family: var(--font-heading); font-size: clamp(2.6rem, 4vw, 4.8rem);
  font-weight: 200; letter-spacing: -.045em; line-height: 1; color: #fff;
}
.catalogue-note-title em { font-family: 'Cormorant Garamond', Georgia, serif; font-weight: 300; }
.catalogue-note-copy p { max-width: 560px; margin: 26px 0 34px; font-weight: 300; line-height: 1.75; color: rgba(255,255,255,.72); }
.catalogue-note-visual {
  display: flex; align-items: center; justify-content: center;
  background: var(--brand-primary-hover); overflow: hidden;
}
.catalogue-note-mark {
  font-family: 'Cormorant Garamond', Georgia, serif; font-size: clamp(12rem, 28vw, 28rem);
  font-style: italic; line-height: .8; letter-spacing: -.08em; color: rgba(255,255,255,.12);
}
.catalogue-note-mark::before { content: '14'; }

/* Category pages */
.category-hero { min-height: 610px; }
.category-hero .catalogue-title { max-width: 1080px; font-size: clamp(3.4rem, 6.5vw, 7rem); }
.category-nav {
  position: sticky; top: 68px; z-index: 30;
  background: rgba(255,255,255,.96); border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.category-nav-inner {
  max-width: 1400px; margin: 0 auto; padding: 0 40px;
  display: flex; gap: 26px; align-items: center; overflow-x: auto;
}
.category-nav a {
  flex: 0 0 auto; padding: 17px 0 15px;
  border-bottom: 2px solid transparent;
  font-family: var(--font-heading); font-size: 9px; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; color: var(--text-muted);
}
.category-nav a:hover, .category-nav a.active { color: var(--brand-primary); border-color: var(--brand-accent); }

.catalogue-browser { max-width: 1400px; margin: 0 auto; padding: 88px 40px 128px; }
.catalogue-browser-head {
  display: grid; grid-template-columns: 1fr auto; gap: 36px; align-items: end;
  padding-bottom: 30px; border-bottom: 1px solid var(--border);
}
.catalogue-browser-title {
  font-family: var(--font-heading); font-size: clamp(2.3rem, 4vw, 4.3rem);
  font-weight: 200; letter-spacing: -.045em; line-height: 1; color: var(--brand-primary);
}
.catalogue-browser-title em { font-family: 'Cormorant Garamond', Georgia, serif; font-weight: 300; }
.catalogue-result-count {
  font-family: var(--font-heading); font-size: 10px; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; color: var(--brand-accent-text);
}
.catalogue-controls {
  display: grid; grid-template-columns: minmax(0, 1fr) 280px auto; gap: 12px; align-items: end;
  padding: 22px 0 38px;
}
.catalogue-field { display: grid; gap: 9px; }
.catalogue-control-label {
  font-family: var(--font-heading); font-size: 9px; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; color: var(--brand-primary);
}
.catalogue-control {
  width: 100%; min-height: 52px; padding: 0 16px;
  border: 1px solid var(--border); background: var(--surface); color: var(--brand-primary);
  font-family: var(--font-body); font-size: 14px; font-weight: 400;
}
.catalogue-control:focus-visible { outline: 0; border-color: var(--brand-accent); box-shadow: var(--shadow-focus); }
.catalogue-clear-filters {
  min-height: 52px; padding: 0 16px; border: 1px solid var(--border); background: var(--surface-tint);
  color: var(--brand-primary); cursor: pointer; white-space: nowrap;
  font-family: var(--font-heading); font-size: 9px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  transition: border-color 180ms var(--ease-standard), background 180ms var(--ease-standard), transform 180ms var(--ease-standard);
}
.catalogue-clear-filters:hover { border-color: var(--brand-accent); background: var(--surface-alt); }
.catalogue-clear-filters:active, .catalogue-load-more:active { transform: translateY(1px); }
.catalogue-clear-filters:focus-visible, .catalogue-clear-link:focus-visible, .catalogue-load-more:focus-visible {
  outline: 0; box-shadow: var(--shadow-focus);
}
.catalogue-shown-status {
  margin: -20px 0 18px; font-family: var(--font-heading); font-size: 9px; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; color: var(--text-muted);
}
.instrument-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.instrument-card { min-width: 0; background: var(--surface); transition: background 200ms var(--ease-standard); }
.instrument-card:hover { background: var(--surface-tint); }
.instrument-card-art {
  position: relative; display: flex; align-items: center; justify-content: center;
  min-height: 238px; padding: 24px; overflow: hidden; background: var(--surface-alt);
}
.instrument-card-art::after {
  content: ''; position: absolute; inset: 16px; border: 1px solid rgba(11,78,82,.08);
}
.instrument-card-art img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; padding: 18px; z-index: 1; }
.instrument-art-copy { position: relative; z-index: 2; text-align: center; }
.instrument-code {
  display: block; margin-bottom: 16px;
  font-family: var(--font-heading); font-size: 9px; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase; color: var(--brand-accent-text);
}
.instrument-pattern {
  font-family: 'Cormorant Garamond', Georgia, serif; font-size: 2.1rem;
  font-weight: 300; font-style: italic; line-height: .95; color: var(--brand-primary);
}
.instrument-rule { display: block; width: 26px; height: 1px; margin: 16px auto 0; background: var(--brand-accent); opacity: .7; }
.instrument-body { display: flex; min-height: 174px; flex-direction: column; padding: 18px 18px 20px; }
.instrument-name {
  min-height: 44px; font-family: var(--font-heading); font-size: 13px;
  font-weight: 600; letter-spacing: .02em; line-height: 1.35; color: var(--brand-primary);
}
.instrument-meta { margin-top: 10px; font-size: 12px; font-weight: 300; line-height: 1.5; color: var(--text-muted); }
.instrument-card-footer {
  display: flex; gap: 12px; justify-content: space-between; align-items: end;
  margin-top: auto; padding-top: 18px; border-top: 1px solid var(--border);
  font-family: var(--font-heading); font-size: 9px; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--text-muted);
}
.instrument-card-footer strong { color: var(--brand-accent-text); font: inherit; white-space: nowrap; }
.catalogue-empty {
  padding: 72px 24px; border: 1px solid var(--border);
  text-align: center; color: var(--text-muted);
}
.catalogue-empty[hidden] { display: none; }
.catalogue-empty strong {
  display: block; margin-bottom: 10px; font-family: var(--font-heading); font-size: 22px;
  font-weight: 400; color: var(--brand-primary);
}
.catalogue-empty span { display: block; font-size: 14px; font-weight: 300; line-height: 1.6; }
.catalogue-clear-link {
  margin-top: 20px; padding: 7px 0 6px; border: 0; border-bottom: 1px solid var(--brand-accent);
  background: transparent; color: var(--brand-primary); cursor: pointer;
  font-family: var(--font-heading); font-size: 9px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
}
.catalogue-clear-link:hover { color: var(--brand-accent-hover); }
.catalogue-load-wrap { display: flex; justify-content: center; padding-top: 36px; }
.catalogue-load-more {
  border: 1px solid var(--brand-primary); background: var(--surface); color: var(--brand-primary);
  padding: 14px 24px; cursor: pointer;
  font-family: var(--font-heading); font-size: 10px; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase;
  transition: background 180ms, color 180ms;
}
.catalogue-load-more:hover { background: var(--brand-primary); color: #fff; }
.catalogue-load-more[hidden] { display: none; }

/* Product detail pages */
.product-detail { padding: 156px 40px 84px; background: var(--surface-tint); }
.product-detail-inner, .product-information-inner { max-width: 1400px; margin: 0 auto; }
.product-breadcrumb { margin-bottom: 34px; }
.product-detail-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(400px, .92fr); gap: 72px; align-items: start; }
.product-image-stage {
  position: relative; display: flex; min-height: 650px; align-items: center; justify-content: center;
  overflow: hidden; border: 1px solid rgba(11,78,82,.13); background: var(--surface-alt);
}
.product-image-stage::before {
  content: ''; position: absolute; inset: 22px;
  border: 1px solid rgba(11,78,82,.11);
  background-image: linear-gradient(rgba(11,78,82,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(11,78,82,.06) 1px, transparent 1px);
  background-size: 52px 52px;
}
.product-image-stage::after {
  content: ''; position: absolute; width: 42%; aspect-ratio: 1;
  border: 1px solid rgba(11,78,82,.16); transform: rotate(45deg);
}
.product-image { position: relative; z-index: 3; width: 88%; height: 88%; object-fit: contain; }
.product-placeholder-mark { position: relative; z-index: 2; display: flex; gap: 17px; align-items: center; transform: rotate(-38deg); }
.product-placeholder-mark span { display: block; width: 9px; height: 220px; border: 1px solid rgba(11,78,82,.33); border-radius: 999px; }
.product-placeholder-mark span:nth-child(2) { height: 310px; }
.product-placeholder-label {
  position: absolute; z-index: 4; bottom: 28px; left: 32px; margin: 0;
  font-family: var(--font-heading); font-size: 9px; font-weight: 700; letter-spacing: .18em;
  text-transform: uppercase; color: var(--brand-accent-text);
}
.product-image-code {
  position: absolute; z-index: 4; top: 28px; right: 32px;
  font-family: 'Cormorant Garamond', Georgia, serif; font-size: 2rem; font-style: italic; color: rgba(11,78,82,.58);
}
.product-gallery-note {
  display: flex; gap: 14px; align-items: center; margin-top: 12px; padding: 14px 16px;
  border: 1px solid var(--border); background: var(--surface);
  font-family: var(--font-heading); font-size: 9px; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--text-muted);
}
.product-gallery-note span { color: var(--brand-accent); }
.product-gallery-note strong { font: inherit; color: var(--brand-primary); }
.product-summary { padding-top: 10px; }
.product-title {
  max-width: 680px; font-family: 'Cormorant Garamond', Georgia, serif; font-size: clamp(3.2rem, 5vw, 5.7rem);
  font-weight: 300; line-height: .91; letter-spacing: -.055em; color: var(--brand-primary);
}
.product-code {
  margin-top: 26px; font-family: var(--font-heading); font-size: 10px; font-weight: 700;
  letter-spacing: .15em; text-transform: uppercase; color: var(--text-muted);
}
.product-code strong { margin-left: 10px; color: var(--brand-accent-text); }
.product-status { display: flex; gap: 8px; margin-top: 18px; }
.product-status span {
  padding: 7px 10px 6px; border: 1px solid rgba(11,78,82,.2); color: var(--brand-primary);
  font-family: var(--font-heading); font-size: 9px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
}
.product-intro { max-width: 590px; margin-top: 26px; font-size: 16px; font-weight: 300; line-height: 1.75; color: var(--text-muted); }
.product-actions { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; margin-top: 28px; }
.product-secondary-action {
  display: inline-block; padding: 8px 0 7px; border-bottom: 1px solid var(--brand-accent);
  font-family: var(--font-heading); font-size: 10px; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--brand-primary);
}
.product-secondary-action:hover { color: var(--brand-accent-hover); }
.product-specs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 42px; border-top: 1px solid var(--border); }
.product-spec { min-width: 0; padding: 16px 14px 16px 0; border-bottom: 1px solid var(--border); }
.product-spec:nth-child(odd) { border-right: 1px solid var(--border); }
.product-spec:nth-child(even) { padding-left: 16px; }
.product-spec dt {
  margin-bottom: 7px; font-family: var(--font-heading); font-size: 9px; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; color: var(--brand-accent-text);
}
.product-spec dd { overflow-wrap: anywhere; font-size: 14px; font-weight: 400; line-height: 1.45; color: var(--brand-primary); }
.product-information { padding: 108px 40px 128px; background: var(--surface); }
.product-information-inner { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 96px; }
.product-information h2 {
  font-family: var(--font-heading); font-size: clamp(2.5rem, 4vw, 4.7rem); font-weight: 200;
  letter-spacing: -.05em; line-height: .98; color: var(--brand-primary);
}
.product-information h2 em { font-family: 'Cormorant Garamond', Georgia, serif; font-weight: 300; }
.product-information-block { max-width: 780px; margin-top: 58px; padding-top: 24px; border-top: 1px solid var(--border); }
.product-information-block h3 {
  margin-bottom: 14px; font-family: var(--font-heading); font-size: 11px; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase; color: var(--brand-primary);
}
.product-information-block p { font-size: 16px; font-weight: 300; line-height: 1.8; color: var(--text-muted); }
.product-documents { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 24px; background: var(--border); border: 1px solid var(--border); }
.product-document { display: block; min-height: 112px; padding: 18px; background: var(--surface-tint); }
.product-document span {
  display: block; margin-bottom: 20px; font-family: var(--font-heading); font-size: 9px; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; color: var(--brand-accent-text);
}
.product-document strong { overflow-wrap: anywhere; font-size: 13px; font-weight: 400; line-height: 1.45; color: var(--brand-primary); }
a.product-document:hover { background: var(--surface-alt); }
.product-document.unavailable { opacity: .72; }
.related-products { padding-top: 4px; }
.related-products h2 { font-size: clamp(2.3rem, 3.4vw, 3.8rem); }
.related-product-list { margin: 32px 0 26px; border-top: 1px solid var(--border); }
.related-product {
  display: block; padding: 18px 0 19px; border-bottom: 1px solid var(--border);
  transition: padding-left 180ms var(--ease-standard), color 180ms var(--ease-standard);
}
.related-product:hover { padding-left: 8px; }
.related-code, .related-product span:last-child {
  display: block; font-family: var(--font-heading); font-size: 9px; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; color: var(--brand-accent-text);
}
.related-product strong { display: block; margin: 7px 0; font-size: 14px; font-weight: 400; line-height: 1.45; color: var(--brand-primary); }
.related-product span:last-child { color: var(--text-muted); }

@media (max-width: 1024px) {
  .catalogue-hero-bottom { grid-template-columns: repeat(4, 1fr); }
  .catalogue-actions { grid-column: 1 / -1; justify-content: flex-start; margin-top: 12px; }
  .instrument-grid { grid-template-columns: repeat(3, 1fr); }
  .product-detail-grid { gap: 44px; }
  .product-image-stage { min-height: 560px; }
  .product-information-inner { grid-template-columns: minmax(0, 1fr) 300px; gap: 64px; }
}
@media (max-width: 760px) {
  .catalogue-hero { min-height: auto; padding: 144px 20px 56px; }
  .catalogue-hero-bottom { grid-template-columns: repeat(2, 1fr); margin-top: 72px; }
  .catalogue-stat-val { font-size: 3rem; }
  .range-index { padding: 72px 20px 88px; }
  .range-index-head { grid-template-columns: 1fr; gap: 20px; margin-bottom: 36px; }
  .range-grid { grid-template-columns: 1fr; }
  .range-card:nth-child(odd) { border-right: 0; }
  .range-card { min-height: 220px; padding: 24px 20px; }
  .range-card:hover { padding-left: 24px; }
  .range-card-num { margin-bottom: 36px; }
  .range-card-count, .range-card-arrow { right: 20px; }
  .catalogue-note { grid-template-columns: 1fr; min-height: auto; }
  .catalogue-note-copy { padding: 72px 20px; }
  .catalogue-note-visual { min-height: 280px; }
  .category-nav { top: 68px; }
  .category-nav-inner { padding: 0 20px; }
  .catalogue-browser { padding: 64px 20px 88px; }
  .catalogue-browser-head { grid-template-columns: 1fr; gap: 16px; }
  .catalogue-controls { grid-template-columns: 1fr; }
  .catalogue-clear-filters { justify-self: start; }
  .instrument-grid { grid-template-columns: repeat(2, 1fr); }
  .instrument-card-art { min-height: 190px; padding: 18px; }
  .instrument-pattern { font-size: 1.75rem; }
  .product-detail { padding: 132px 20px 64px; }
  .product-detail-grid { grid-template-columns: 1fr; gap: 46px; }
  .product-image-stage { min-height: 440px; }
  .product-placeholder-mark span { height: 150px; }
  .product-placeholder-mark span:nth-child(2) { height: 210px; }
  .product-title { font-size: clamp(3rem, 15vw, 4.7rem); }
  .product-specs { grid-template-columns: 1fr; }
  .product-spec:nth-child(odd) { border-right: 0; }
  .product-spec:nth-child(even) { padding-left: 0; }
  .product-information { padding: 76px 20px 88px; }
  .product-information-inner { grid-template-columns: 1fr; gap: 72px; }
  .product-documents { grid-template-columns: 1fr; }
}
@media (max-width: 420px) {
  .instrument-grid { grid-template-columns: 1fr; }
  .instrument-card-art { min-height: 220px; }
}