:root {
  --catalog-shell: min(1320px, calc(100vw - 96px));
  --catalog-rule: rgba(var(--line-strong-rgb), 0.72);
  --catalog-soft-rule: rgba(var(--line-strong-rgb), 0.42);
  --catalog-graphite: #20272c;
  --catalog-stone: #eee4da;
  --catalog-paper: #fbf7f2;
  --catalog-highlight: rgba(var(--bronze-rgb), 0.18);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 78px;
}

.catalog-page {
  overflow-x: clip;
  background: var(--catalog-paper);
}

.catalog-page main {
  overflow: visible;
}

.catalog-page img {
  max-width: 100%;
}

.catalog-page .header-contacts a {
  display: flex;
  align-items: center;
  min-height: 24px;
}

.catalog-shell {
  width: var(--catalog-shell);
  margin-inline: auto;
}

.catalog-skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 12px 18px;
  color: var(--white);
  background: var(--catalog-graphite);
  transform: translateY(-160%);
}

.catalog-skip-link:focus {
  transform: none;
}

.catalog-top {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--catalog-rule);
  background:
    radial-gradient(circle at 76% 30%, rgba(var(--white-rgb), 0.88), transparent 30rem),
    linear-gradient(135deg, #faf4ed 0%, #f4ebe2 100%);
}

.catalog-top::after {
  content: "";
  position: absolute;
  inset: 96px 0 0 55%;
  z-index: -1;
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(var(--bronze-rgb), 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--bronze-rgb), 0.12) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, transparent, #000 28%);
}

.catalog-page .site-header {
  grid-template-columns: 240px minmax(420px, 1fr) auto 184px;
  width: 100%;
  margin-left: 0;
  padding: 0 clamp(40px, 4vw, 64px);
  background: rgba(var(--ivory-rgb), 0.86);
}

.catalog-page .header-btn {
  width: 184px;
}

.catalog-hero {
  display: grid;
  grid-template-columns: minmax(430px, 0.96fr) minmax(500px, 1.04fr);
  gap: clamp(36px, 5vw, 70px);
  align-items: center;
  min-height: 480px;
  padding: clamp(44px, 5vw, 68px) 0 54px;
}

.catalog-hero-copy {
  position: relative;
  z-index: 2;
}

.catalog-hero-copy .eyebrow {
  margin: 0 0 24px;
}

.catalog-hero h1 {
  max-width: 720px;
  margin: 0;
  color: #24313a;
  font-size: clamp(48px, 4.5vw, 66px);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.038em;
}

.catalog-hero-copy > p:not(.eyebrow) {
  max-width: 640px;
  margin: 22px 0 0;
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1.55;
}

.catalog-hero-actions {
  display: flex;
  gap: 26px;
  align-items: center;
  margin-top: 28px;
}

.catalog-text-link {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  color: var(--bronze-dark);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(var(--bronze-rgb), 0.44);
  text-underline-offset: 6px;
}

.catalog-hero-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--catalog-rule);
}

.catalog-hero-meta div {
  padding: 20px 20px 0 0;
}

.catalog-hero-meta div + div {
  padding-left: 20px;
  border-left: 1px solid var(--catalog-soft-rule);
}

.catalog-hero-meta dt {
  color: var(--bronze-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 32px;
  line-height: 1;
}

.catalog-hero-meta dd {
  margin: 8px 0 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.35;
}

.catalog-hero-visual {
  position: relative;
  min-height: 370px;
}

.catalog-hero-visual::before {
  content: "";
  position: absolute;
  inset: 8% 4% 6% 12%;
  border: 1px solid var(--catalog-rule);
  background: rgba(var(--surface-rgb), 0.48);
}

.catalog-hero-card {
  position: absolute;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--catalog-rule);
  background: rgba(var(--white-rgb), 0.82);
  box-shadow: 0 24px 70px rgba(var(--shadow-rgb), 0.13);
}

.catalog-hero-card.is-1 {
  inset: 0 22% 10% 4%;
  z-index: 2;
}

.catalog-hero-card.is-2 {
  top: 13%;
  right: 0;
  z-index: 3;
  width: 34%;
  height: 50%;
}

.catalog-hero-card.is-3 {
  right: 7%;
  bottom: 0;
  z-index: 4;
  width: 37%;
  height: 38%;
}

.catalog-hero-card picture,
.catalog-hero-card img {
  display: block;
  width: 100%;
  height: 100%;
}

.catalog-hero-card img {
  padding: 18px;
  object-fit: contain;
  background: linear-gradient(145deg, #f7f0e9, #fffaf5);
}

.catalog-hero-card figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 11px 14px;
  color: var(--text-card);
  background: rgba(var(--ivory-rgb), 0.92);
  font-size: 13px;
}

.catalog-media-skeleton {
  min-height: 500px;
  border: 1px solid var(--catalog-rule);
  background: linear-gradient(110deg, #efe4da 8%, #f8f2ec 18%, #efe4da 33%);
  background-size: 200% 100%;
  animation: catalog-skeleton 1.4s linear infinite;
}

@keyframes catalog-skeleton {
  to { background-position-x: -200%; }
}

.catalog-chapter-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  overflow: hidden;
  border-bottom: 1px solid var(--catalog-rule);
  background: rgba(251, 247, 242, 0.94);
  box-shadow: 0 12px 32px rgba(var(--shadow-rgb), 0.05);
  backdrop-filter: blur(12px);
}

.catalog-chapter-nav .catalog-shell {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.catalog-chapter-nav a {
  flex: 0 0 auto;
  padding: 20px 18px 18px;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  font-size: 14px;
  white-space: nowrap;
}

.catalog-chapter-nav a.is-active {
  color: var(--bronze-dark);
  border-color: var(--bronze);
  font-weight: 700;
}

.catalog-content {
  padding: 28px 0 10px;
  background:
    radial-gradient(circle at 88% 11%, rgba(var(--white-rgb), 0.8), transparent 31rem),
    var(--catalog-paper);
}

.catalog-load-state {
  margin: 64px 0;
  padding: 28px;
  border: 1px solid var(--catalog-rule);
  text-align: center;
}

.catalog-load-state.is-error {
  color: #762e27;
  background: #fff5f2;
}

.catalog-local-nav {
  display: flex;
  gap: 8px;
  margin: 0 0 28px;
  padding: 0 0 10px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.catalog-local-nav a {
  flex: 0 0 auto;
  padding: 10px 14px;
  color: var(--text-muted);
  border: 1px solid var(--catalog-rule);
  border-radius: 999px;
  background: rgba(var(--ivory-rgb), 0.7);
  font-size: 13px;
  line-height: 1.2;
  white-space: nowrap;
}

.catalog-local-nav a:hover,
.catalog-local-nav a:focus-visible {
  color: var(--bronze-dark);
  border-color: var(--bronze);
}

.catalog-block {
  position: relative;
  margin: 0 0 24px;
  padding: clamp(36px, 4vw, 54px);
  border: 1px solid var(--catalog-rule);
  border-radius: 12px;
  background: rgba(var(--ivory-rgb), 0.58);
  box-shadow: 0 18px 60px rgba(var(--shadow-rgb), 0.055);
}

.catalog-block::before {
  display: none;
}

.catalog-block-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 38px;
  align-items: end;
  margin-bottom: 32px;
}

.catalog-block-heading .eyebrow {
  margin: 0 0 18px;
}

.catalog-block-heading h2,
.catalog-section-heading h2,
.catalog-consultation h2,
.catalog-dialog h2 {
  margin: 0;
  color: #283640;
  font-size: clamp(38px, 3.8vw, 56px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.036em;
}

.catalog-block-heading > div > p:not(.eyebrow) {
  max-width: 760px;
  margin: 15px 0 0;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.55;
}

.catalog-source-meta {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.catalog-source-meta span {
  padding: 7px 10px;
  color: var(--text-muted);
  border: 1px solid var(--catalog-soft-rule);
  background: rgba(var(--surface-rgb), 0.56);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.catalog-source-meta .is-ready {
  color: #315e45;
  border-color: rgba(49, 94, 69, 0.26);
  background: rgba(229, 243, 233, 0.58);
}

.catalog-source-meta .is-incomplete {
  color: #845324;
  border-color: rgba(167, 103, 45, 0.28);
  background: rgba(250, 234, 214, 0.58);
}

.catalog-spread-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.72fr) minmax(330px, 0.78fr);
  gap: clamp(28px, 3vw, 46px);
  align-items: start;
}

.catalog-spread-main {
  min-width: 0;
}

.is-catalog-spread .catalog-block-heading {
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.is-catalog-spread .catalog-source-meta {
  justify-content: flex-start;
}

.catalog-model-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.catalog-model-grid.is-featured {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.catalog-model-grid.is-featured .catalog-item-media {
  aspect-ratio: 1.32 / 1;
}

.catalog-more-models {
  margin-top: 14px;
  border: 1px solid var(--catalog-soft-rule);
  background: rgba(var(--white-rgb), 0.38);
}

.catalog-more-models > summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 17px;
  color: var(--bronze-dark);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.catalog-more-models > summary::-webkit-details-marker {
  display: none;
}

.catalog-more-models > summary::after {
  content: "+";
  margin-left: auto;
  padding-left: 14px;
  font-size: 20px;
  font-weight: 400;
}

.catalog-more-models[open] > summary::after {
  content: "−";
}

.catalog-more-models > summary span {
  margin-left: 8px;
  padding: 3px 7px;
  border: 1px solid var(--catalog-soft-rule);
  border-radius: 999px;
  font-size: 10px;
}

.catalog-more-models > .catalog-dense-grid,
.catalog-more-models > .catalog-material-grid {
  padding: 0 14px 14px;
}

.catalog-model-grid.is-expanded {
  padding: 0 14px 14px;
}

.catalog-custom-note {
  display: flex;
  gap: 8px 18px;
  align-items: center;
  margin-top: 14px;
  padding: 15px 17px;
  border: 1px solid var(--catalog-soft-rule);
  background: rgba(245, 230, 214, 0.46);
}

.catalog-custom-note strong {
  color: var(--text-heading-deep);
  font-size: 13px;
}

.catalog-custom-note span {
  color: var(--text-muted);
  font-size: 12px;
}

.catalog-item {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--catalog-soft-rule);
  background: rgba(var(--surface-rgb), 0.58);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.catalog-item-media {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(var(--white-rgb), 0.78), rgba(var(--paper-rgb), 0.52)),
    var(--catalog-stone);
}

.catalog-item-media picture,
.catalog-item-media img {
  display: block;
  width: 100%;
  height: 100%;
}

.catalog-item-media img {
  padding: 10px;
  object-fit: contain;
}

.catalog-item-caption {
  display: flex;
  gap: 10px;
  justify-content: space-between;
  align-items: center;
  min-height: 54px;
  padding: 12px 13px;
  border-top: 1px solid var(--catalog-soft-rule);
}

.catalog-item-caption h3 {
  margin: 0;
  color: var(--text-card);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.catalog-debug-panel {
  max-width: 430px;
  padding: 12px 14px;
  border: 1px dashed rgba(var(--bronze-rgb), 0.54);
  background: rgba(255, 249, 239, 0.88);
}

.catalog-debug-panel dl,
.catalog-item-debug {
  display: grid;
  gap: 7px;
  margin: 0;
  font-size: 10px;
}

.catalog-debug-panel dl div,
.catalog-item-debug div {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px;
}

.catalog-debug-panel dt,
.catalog-item-debug dt {
  color: var(--text-hint);
}

.catalog-debug-panel dd,
.catalog-item-debug dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
}

.catalog-item-debug {
  flex: 1 0 100%;
  padding-top: 8px;
  border-top: 1px dashed var(--catalog-soft-rule);
}

.catalog-debug .catalog-item-caption {
  flex-wrap: wrap;
}

.catalog-debug-banner {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 120;
  padding: 8px 11px;
  color: #fff;
  border-radius: 4px;
  background: #283640;
  box-shadow: 0 8px 30px rgba(var(--shadow-rgb), 0.24);
  font: 600 11px/1.2 system-ui, sans-serif;
}

.catalog-page :where(a, button, summary, input, textarea):focus-visible {
  outline: 3px solid rgba(var(--bronze-rgb), 0.48);
  outline-offset: 3px;
}

.catalog-item-action {
  flex: 0 0 auto;
  padding: 3px 0;
  color: var(--bronze-dark);
  border: 0;
  border-bottom: 1px solid rgba(var(--bronze-rgb), 0.45);
  background: none;
  font: inherit;
  font-size: 11px;
  cursor: pointer;
}

.catalog-spec-panel {
  position: sticky;
  top: 92px;
  padding: 24px;
  border: 1px solid var(--catalog-rule);
  border-radius: 8px;
  background: rgba(var(--ivory-rgb), 0.7);
}

.catalog-spec-kicker {
  margin: 0 0 9px;
  color: var(--bronze-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.catalog-spec-panel > p:not(.catalog-spec-kicker) {
  margin: 0 0 24px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.5;
}

.catalog-spec-panel .catalog-text-link {
  margin-top: 20px;
  font-size: 13px;
}

.catalog-table-wrap {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--catalog-rule);
  background: rgba(var(--white-rgb), 0.58);
  scrollbar-width: thin;
}

.catalog-table-wrap:focus-visible {
  outline: 3px solid rgba(var(--bronze-rgb), 0.22);
  outline-offset: 3px;
}

.catalog-table-wrap table {
  width: 100%;
  min-width: 330px;
  border-collapse: collapse;
  color: var(--text-card);
  font-size: 13px;
}

.catalog-table-wrap caption {
  padding: 14px 15px;
  color: var(--text-heading-deep);
  border-bottom: 1px solid var(--catalog-rule);
  text-align: left;
  font-weight: 700;
}

.catalog-table-wrap th,
.catalog-table-wrap td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--catalog-soft-rule);
  text-align: left;
  white-space: nowrap;
}

.catalog-table-wrap thead th {
  color: var(--bronze-dark);
  background: rgba(var(--paper-rgb), 0.82);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.catalog-table-wrap tbody th {
  font-weight: 500;
}

.catalog-comparison-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.42fr) minmax(320px, 0.58fr);
  gap: clamp(36px, 5vw, 72px);
  align-items: start;
}

.catalog-comparison-media {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.catalog-comparison-media .catalog-item:first-child {
  grid-row: span 2;
}

.catalog-comparison-copy {
  display: grid;
  gap: 24px;
}

.catalog-comparison-copy > p {
  margin: 0;
  padding-left: 18px;
  color: var(--text-muted);
  border-left: 2px solid var(--bronze);
  font-size: 15px;
  line-height: 1.55;
}

.catalog-dense-grid,
.catalog-base-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}

.catalog-dense-grid.has-placeholders {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.catalog-dense-grid + .catalog-table-wrap {
  max-width: 440px;
  margin-top: 28px;
}

.catalog-placeholder {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
  justify-content: flex-end;
  width: 100%;
  height: 100%;
  min-height: 220px;
  padding: 18px;
  color: #705b49;
  background:
    linear-gradient(135deg, transparent 48%, rgba(var(--bronze-rgb), 0.12) 49%, rgba(var(--bronze-rgb), 0.12) 51%, transparent 52%),
    #f2e9e0;
}

.catalog-placeholder.is-compact {
  min-height: 150px;
  padding: 14px;
}

.catalog-placeholder-mark {
  width: 28px;
  height: 28px;
  margin-bottom: auto;
  border: 1px solid rgba(var(--bronze-dark-rgb), 0.48);
  border-radius: 50%;
}

.catalog-placeholder strong {
  font-size: 13px;
}

.catalog-placeholder > span:not(.catalog-placeholder-mark) {
  font-size: 11px;
  line-height: 1.35;
}

.catalog-placeholder small {
  max-width: 100%;
  overflow: hidden;
  color: var(--text-hint);
  font-size: 8px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.catalog-installation-layout {
  display: grid;
  grid-template-columns: minmax(230px, 0.56fr) minmax(0, 1.44fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.catalog-installation-intro .catalog-block-heading {
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: start;
}

.catalog-installation-intro .catalog-source-meta {
  justify-content: flex-start;
}

.catalog-installation-service {
  margin-top: 22px;
  padding: 18px;
  border: 1px solid var(--catalog-rule);
  border-radius: 8px;
  background: rgba(var(--white-rgb), 0.46);
}

.catalog-installation-service strong {
  color: var(--text-heading-deep);
  font-size: 14px;
}

.catalog-installation-service p {
  margin: 10px 0 15px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.catalog-source-steps {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 11px;
}

.catalog-source-steps summary {
  color: var(--bronze-dark);
  cursor: pointer;
}

.catalog-source-steps ol {
  margin: 12px 0 0;
  padding-left: 20px;
}

.catalog-source-steps li + li {
  margin-top: 7px;
}

.catalog-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.catalog-steps li {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--catalog-soft-rule);
  border-radius: 8px;
  background: rgba(var(--white-rgb), 0.42);
}

.catalog-step-number {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  color: var(--white);
  border-radius: 0 0 7px 0;
  background: var(--bronze-dark);
  font-size: 13px;
  font-weight: 700;
}

.catalog-step-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-bottom: 1px solid var(--catalog-soft-rule);
}

.catalog-step-media .catalog-placeholder {
  min-height: 100%;
}

.catalog-step-text-only {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: rgba(var(--bronze-dark-rgb), 0.44);
  background: #f2e9e0;
  font-family: Georgia, serif;
  font-size: 68px;
}

.catalog-step-copy {
  padding: 13px 14px 14px;
}

.catalog-step-copy h3 {
  margin: 0;
  color: var(--text-heading-deep);
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
}

.catalog-step-copy > p {
  margin: 7px 0 0;
  color: var(--text-card);
  font-size: 12px;
  line-height: 1.48;
}

.catalog-step-requirements {
  margin-top: 9px;
  color: var(--text-hint);
  font-size: 9px;
}

.catalog-step-requirements summary {
  cursor: pointer;
}

.catalog-step-requirements ul {
  margin: 7px 0 0;
  padding: 0;
  list-style: none;
}

.catalog-step-requirements code {
  overflow-wrap: anywhere;
  font-size: 8px;
}

.catalog-block-note {
  max-width: 880px;
  margin: 32px 0 0;
  padding: 16px 18px;
  color: #76583c;
  border-left: 3px solid var(--bronze);
  background: rgba(245, 230, 214, 0.55);
  font-size: 14px;
  line-height: 1.5;
}

.catalog-material-intro {
  display: flex;
  gap: 30px;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 30px;
}

.catalog-material-intro p {
  max-width: 770px;
  margin: 0;
  color: var(--text-muted);
  font-size: 17px;
  line-height: 1.55;
}

.catalog-material-intro span {
  flex: 0 0 auto;
  padding-bottom: 4px;
  color: var(--bronze-dark);
  border-bottom: 1px solid rgba(var(--bronze-rgb), 0.4);
  font-size: 13px;
}

.catalog-material-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}

.catalog-material-grid .catalog-item-media {
  aspect-ratio: 1 / 0.82;
}

.catalog-strip-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.catalog-strip-controls p {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
}

.catalog-strip-controls > div {
  display: flex;
  gap: 8px;
}

.catalog-strip-controls button {
  width: 42px;
  height: 42px;
  color: var(--bronze-dark);
  border: 1px solid var(--catalog-rule);
  border-radius: 50%;
  background: rgba(var(--surface-rgb), 0.7);
  cursor: pointer;
}

.catalog-artwork-strip {
  display: grid;
  grid-auto-columns: minmax(230px, 280px);
  grid-auto-flow: column;
  gap: 14px;
  overflow-x: auto;
  padding: 1px 1px 14px;
  scroll-snap-type: x mandatory;
  overscroll-behavior-inline: contain;
  scrollbar-width: thin;
}

.catalog-artwork-strip .catalog-item {
  scroll-snap-align: start;
}

.catalog-related {
  border-bottom: 1px solid var(--catalog-rule);
}

.catalog-related .catalog-block {
  border-bottom: 0;
}

.catalog-future {
  padding: clamp(76px, 8vw, 116px) 0;
  border-bottom: 1px solid var(--catalog-rule);
}

.catalog-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 0.42fr);
  column-gap: 72px;
  align-items: end;
  margin-bottom: 42px;
}

.catalog-section-heading .eyebrow {
  grid-column: 1 / -1;
  margin: 0 0 18px;
}

.catalog-section-heading p:last-child {
  margin: 0;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.55;
}

.catalog-future-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--catalog-rule);
  border-left: 1px solid var(--catalog-rule);
}

.catalog-future-grid article {
  min-height: 180px;
  padding: 26px;
  border-right: 1px solid var(--catalog-rule);
  border-bottom: 1px solid var(--catalog-rule);
  background: rgba(var(--surface-rgb), 0.35);
}

.catalog-future-grid article > span {
  color: var(--bronze-dark);
  font-family: Georgia, serif;
  font-size: 18px;
}

.catalog-future-grid h3 {
  margin: 38px 0 8px;
  color: var(--text-card);
  font-family: inherit;
  font-size: 20px;
}

.catalog-future-grid p {
  margin: 0;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.4;
}

.catalog-page .footer-bottom {
  color: var(--text-muted);
}

.catalog-consultation {
  padding: clamp(74px, 8vw, 112px) 0;
  background:
    linear-gradient(90deg, rgba(25, 31, 35, 0.95), rgba(33, 39, 43, 0.86)),
    var(--bg-calculation) center / cover no-repeat;
}

.catalog-consultation-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(480px, 0.58fr);
  gap: clamp(50px, 7vw, 100px);
  align-items: start;
}

.catalog-consultation .eyebrow {
  margin: 0 0 20px;
  color: #deb183;
}

.catalog-consultation h2 {
  color: #fff8f1;
}

.catalog-consultation-layout > div > p:not(.eyebrow) {
  max-width: 720px;
  margin: 28px 0 0;
  color: rgba(var(--white-rgb), 0.72);
  font-size: 18px;
  line-height: 1.55;
}

.catalog-phone-row {
  display: flex;
  gap: 26px;
  margin-top: 34px;
  color: #efc99f;
  font-size: 19px;
}

.catalog-lead-form,
.catalog-dialog-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 28px;
  border: 1px solid rgba(var(--white-rgb), 0.18);
  background: rgba(var(--surface-rgb), 0.1);
}

.catalog-lead-form .form-field,
.catalog-dialog-form .form-field {
  display: grid;
  gap: 7px;
}

.catalog-lead-form .form-field span,
.catalog-dialog-form .form-field span {
  color: rgba(var(--white-rgb), 0.72);
  font-size: 12px;
}

.catalog-lead-form input,
.catalog-lead-form textarea,
.catalog-dialog-form input,
.catalog-dialog-form textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  color: var(--text-field);
  border: 1px solid rgba(var(--white-rgb), 0.28);
  border-radius: var(--radius-sm);
  background: rgba(var(--white-rgb), 0.92);
  font: inherit;
}

.catalog-lead-form textarea,
.catalog-dialog-form textarea {
  min-height: 90px;
  resize: vertical;
}

.catalog-comment,
.catalog-lead-form .btn,
.catalog-lead-form .form-status,
.catalog-dialog-form .form-field,
.catalog-dialog-form .btn,
.catalog-dialog-form .form-status {
  grid-column: 1 / -1;
}

.catalog-lead-form .btn {
  width: 100%;
}

.catalog-lead-form .form-status,
.catalog-dialog-form .form-status {
  margin: 0;
  color: rgba(var(--white-rgb), 0.64);
  font-size: 11px;
  line-height: 1.45;
}

.catalog-dialog {
  width: min(680px, calc(100vw - 40px));
  max-height: calc(100vh - 40px);
  padding: 0;
  border: 0;
  background: transparent;
}

.catalog-dialog::backdrop {
  background: rgba(17, 22, 26, 0.74);
  backdrop-filter: blur(6px);
}

.catalog-dialog-panel {
  position: relative;
  display: grid;
  gap: 28px;
  padding: 38px;
  border: 1px solid var(--catalog-rule);
  background: #272f34;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.32);
}

.catalog-dialog .eyebrow {
  margin: 0 0 16px;
  color: #dfb181;
}

.catalog-dialog h2 {
  color: #fff8f1;
  font-size: 44px;
}

.catalog-dialog-panel > div > p:last-child {
  margin: 18px 0 0;
  color: rgba(var(--white-rgb), 0.7);
}

.catalog-dialog-close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  width: 40px;
  height: 40px;
  color: #fff8f1;
  border: 1px solid rgba(var(--white-rgb), 0.3);
  border-radius: 50%;
  background: transparent;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

.catalog-dialog-form {
  padding: 0;
  border: 0;
  background: transparent;
}

.is-catalog-dialog-open {
  overflow: hidden;
}

.catalog-noscript {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 100;
  padding: 16px;
  color: #fff;
  background: #712f2a;
}

.catalog-item.is-deep-linked,
.catalog-hero-card.is-deep-linked {
  border-color: var(--bronze-dark);
  box-shadow: 0 0 0 5px var(--catalog-highlight), 0 24px 70px rgba(var(--shadow-rgb), 0.15);
}

.catalog-block.is-deep-linked-block {
  animation: catalog-block-highlight 2.4s ease;
}

@keyframes catalog-block-highlight {
  0%, 100% { background: transparent; }
  20%, 70% { background: rgba(var(--bronze-rgb), 0.07); }
}

@media (hover: hover) and (pointer: fine) {
  .catalog-item:hover {
    z-index: 2;
    border-color: rgba(var(--bronze-rgb), 0.58);
    box-shadow: 0 18px 44px rgba(var(--shadow-rgb), 0.1);
    transform: translateY(-3px);
  }
}

@media (max-width: 1260px) {
  :root {
    --catalog-shell: min(1120px, calc(100vw - 56px));
  }

  .catalog-page .site-header {
    grid-template-columns: 184px minmax(0, 1fr) auto;
    padding-inline: 32px;
  }

  .catalog-page .header-btn {
    display: none;
  }

  .catalog-hero {
    grid-template-columns: minmax(380px, 0.88fr) minmax(430px, 1.12fr);
  }

  .catalog-model-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .catalog-model-grid.is-featured {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-dense-grid,
  .catalog-base-grid,
  .catalog-material-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .catalog-dense-grid.has-placeholders {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .catalog-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .catalog-steps li:not(:nth-child(5n))::after {
    display: none;
  }
}

@media (max-width: 900px) {
  :root {
    --catalog-shell: calc(100vw - 48px);
  }

  .catalog-hero {
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 58px 0 54px;
  }

  .catalog-hero-copy {
    max-width: 720px;
  }

  .catalog-hero-visual {
    min-height: 360px;
  }

  .catalog-spread-layout,
  .catalog-comparison-layout,
  .catalog-consultation-layout,
  .catalog-installation-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .catalog-spec-panel {
    position: static;
  }

  .catalog-spec-panel .catalog-table-wrap {
    max-height: 430px;
  }

  .catalog-material-grid,
  .catalog-dense-grid,
  .catalog-dense-grid.has-placeholders,
  .catalog-base-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .catalog-section-heading {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .catalog-future-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-consultation-layout {
    gap: 42px;
  }
}

@media (max-width: 820px) {
  :root {
    --catalog-shell: calc(100vw - 40px);
  }

  html {
    scroll-padding-top: 64px;
  }

  .catalog-page .site-header {
    grid-template-columns: 1fr;
    gap: 10px;
    height: auto;
    padding: 12px var(--mobile-page-gutter) 14px;
  }

  .catalog-top::after {
    inset-left: 15%;
  }

  .catalog-hero h1 {
    font-size: clamp(42px, 12vw, 58px);
  }

  .catalog-hero-copy > p:not(.eyebrow) {
    font-size: 17px;
  }

  .catalog-hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .catalog-hero-actions .btn {
    width: 100%;
  }

  .catalog-hero-visual,
  .catalog-media-skeleton {
    min-height: 400px;
  }

  .catalog-chapter-nav .catalog-shell {
    width: 100%;
    padding-inline: var(--mobile-page-gutter);
  }

  .catalog-chapter-nav a {
    padding: 16px 14px 14px;
  }

  .catalog-block {
    margin-bottom: 18px;
    padding: 34px;
  }

  .catalog-block::before {
    top: 13px;
    right: 16px;
    left: auto;
  }

  .catalog-block-heading {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 32px;
  }

  .catalog-block-heading h2,
  .catalog-section-heading h2,
  .catalog-consultation h2 {
    font-size: clamp(38px, 10vw, 52px);
  }

  .catalog-source-meta {
    justify-content: flex-start;
  }

  .catalog-model-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-material-grid,
  .catalog-dense-grid,
  .catalog-dense-grid.has-placeholders,
  .catalog-base-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-material-intro {
    align-items: flex-start;
    flex-direction: column;
  }

  .catalog-future-grid {
    grid-template-columns: 1fr;
  }

  .catalog-phone-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 520px) {
  .catalog-hero {
    padding-top: 40px;
  }

  .catalog-hero-meta {
    grid-template-columns: 1fr;
  }

  .catalog-hero-meta div,
  .catalog-hero-meta div + div {
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: 10px;
    align-items: center;
    padding: 14px 0;
    border-left: 0;
    border-bottom: 1px solid var(--catalog-soft-rule);
  }

  .catalog-hero-meta dd {
    margin: 0;
  }

  .catalog-hero-meta dt {
    font-size: 25px;
  }

  .catalog-hero-visual,
  .catalog-media-skeleton {
    min-height: 280px;
  }

  .catalog-hero-card.is-1 {
    inset: 0 14% 8% 0;
  }

  .catalog-hero-card.is-2 {
    width: 38%;
  }

  .catalog-hero-card.is-3 {
    right: 2%;
    width: 42%;
  }

  .catalog-hero-card figcaption {
    padding: 7px 9px;
    font-size: 10px;
  }

  .catalog-model-grid,
  .catalog-material-grid,
  .catalog-dense-grid,
  .catalog-dense-grid.has-placeholders,
  .catalog-base-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
  }

  .catalog-block {
    padding: 26px 18px;
    border-radius: 9px;
  }

  .catalog-block::before {
    display: none;
  }

  .catalog-custom-note {
    align-items: flex-start;
    flex-direction: column;
  }

  .catalog-item-caption {
    display: grid;
    min-height: 66px;
    padding: 9px;
  }

  .catalog-item-caption h3 {
    font-size: 12px;
  }

  .catalog-item-action {
    justify-self: start;
    font-size: 10px;
  }

  .catalog-placeholder,
  .catalog-placeholder.is-compact {
    min-height: 130px;
    padding: 10px;
  }

  .catalog-placeholder > span:not(.catalog-placeholder-mark),
  .catalog-placeholder small {
    display: none;
  }

  .catalog-comparison-media {
    grid-template-columns: 1fr;
  }

  .catalog-comparison-media .catalog-item:first-child {
    grid-row: auto;
  }

  .catalog-steps {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .catalog-steps li {
    display: block;
  }

  .catalog-step-media {
    width: auto;
  }

  .catalog-step-media .catalog-placeholder {
    min-height: 100%;
    height: 100%;
    padding: 8px;
    justify-content: space-between;
  }

  .catalog-step-media .catalog-placeholder-mark {
    width: 24px;
    height: 24px;
    margin-bottom: 0;
  }

  .catalog-placeholder strong {
    font-size: 10px;
  }

  .catalog-artwork-strip {
    grid-auto-columns: 72vw;
  }

  .catalog-strip-controls p {
    max-width: 180px;
  }

  .catalog-lead-form {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .catalog-lead-form .form-field {
    grid-column: 1;
  }

  .catalog-dialog-panel {
    padding: 30px 20px 20px;
  }

  .catalog-dialog h2 {
    padding-right: 32px;
    font-size: 36px;
  }

  .catalog-dialog-form {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .catalog-media-skeleton { animation: none; }
  .catalog-block.is-deep-linked-block { animation: none; }
}