.page-products {
  background: var(--color-surface);
}

.page-products .catalog-hero {
  padding: var(--space-8) 0 var(--space-6);
}

.page-products .catalog-hero-inner {
  position: relative;
}

.page-products .hero-head {
  max-width: 34ch;
}

.page-products .hero-h1 {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  letter-spacing: 0.03em;
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  margin: var(--space-2) 0 var(--space-4);
}

.page-products .hero-lead {
  max-width: 46ch;
  margin: 0;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-products .hero-layout {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.page-products .hero-col-main,
.page-products .hero-col-side {
  min-width: 0;
}

.page-products .hero-panel--families {
  background: var(--color-surface-alt);
  padding: var(--space-4);
}

.page-products .hero-panel-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-3);
}

.page-products .family-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-products .family-list > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  column-gap: var(--space-3);
}

.page-products .family-code {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: 1.1;
  color: var(--color-primary);
}

.page-products .family-name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: 1.3;
  color: var(--color-ink);
}

.page-products .family-count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  white-space: nowrap;
}

.page-products .hero-figure {
  margin: var(--space-6) 0 0;
}

.page-products .hero-panel--count {
  padding: var(--space-4);
}

.page-products .count-main {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.page-products .count-unit {
  font-size: var(--text-base);
  letter-spacing: 0.12em;
}

.page-products .count-sub {
  margin: var(--space-2) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-contrast-accent);
}

.page-products .hero-panel--count .contrast-rule {
  margin: var(--space-4) 0 var(--space-3);
}

.page-products .num-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin-top: var(--space-8);
  padding-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}

.page-products .catalog-filter {
  background: var(--color-surface-alt);
  padding: var(--space-3) 0;
}

.page-products .catalog-filter .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
}

.page-products .filter-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
  margin-right: var(--space-1);
}

.page-products .catalog-filter .filter-status {
  margin: 0 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-products .family-section,
.page-products .rules-section,
.page-products .next-section {
  padding-top: var(--section-y);
}

.page-products .family-section--alt {
  background: var(--color-surface-alt);
}

.page-products .family-section--deep {
  background: var(--color-surface-deep);
}

.page-products .family-head {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.page-products .family-head-text {
  min-width: 0;
}

.page-products .family-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  margin: var(--space-2) 0 var(--space-3);
}

.page-products .family-lead {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-products .family-figure {
  margin: 0;
  width: 100%;
  max-width: 300px;
}

.page-products .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .index-item {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  column-gap: var(--space-3);
  padding: var(--space-4) var(--space-2);
  transition: background-color 220ms ease;
}

.page-products .index-item + .index-item {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-products .index-item:hover {
  background: var(--color-primary-soft);
}

.page-products .index-num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  padding-top: 0.5em;
}

.page-products .index-body {
  min-width: 0;
}

.page-products .index-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

.page-products .index-desc {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-products .index-meta {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-muted);
}

.page-products .index-meta .badge {
  margin-right: var(--space-1);
}

.page-products .rules-grid {
  display: grid;
  gap: var(--space-6);
}

.page-products .rules-head {
  min-width: 0;
}

.page-products .rule-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.page-products .rule-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  column-gap: var(--space-3);
  padding: var(--space-4) 0;
}

.page-products .rule-item + .rule-item {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-products .rule-num {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: 1.3;
  color: var(--color-primary);
}

.page-products .rule-body {
  min-width: 0;
}

.page-products .rule-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

.page-products .rule-desc {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-products .next-head {
  max-width: 52ch;
}

.page-products .next-list {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}

.page-products .next-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  column-gap: var(--space-4);
  row-gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-surface-alt);
  color: inherit;
  text-decoration: none;
  transition: background-color 220ms ease;
}

.page-products .next-link:hover,
.page-products .next-link:focus-visible {
  background: var(--color-primary-soft);
}

.page-products .next-label {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  grid-column: 1;
}

.page-products .next-desc {
  grid-column: 1;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-products .next-go {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-primary);
  white-space: nowrap;
}

.page-products .next-note {
  margin: var(--space-6) 0 var(--section-y);
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink-muted);
}

.page-products .next-note a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-products .next-note a:hover {
  color: var(--color-accent);
}

.page-products a:focus-visible,
.page-products button:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

@media (min-width: 900px) {
  .page-products .hero-layout {
    grid-template-columns: repeat(12, 1fr);
    column-gap: var(--gutter);
    align-items: start;
  }

  .page-products .hero-col-main {
    grid-column: 1 / span 7;
  }

  .page-products .hero-col-side {
    grid-column: 9 / span 4;
    margin-top: var(--space-8);
  }

  .page-products .family-head {
    grid-template-columns: minmax(0, 1fr) 300px;
    column-gap: var(--space-8);
    align-items: end;
  }

  .page-products .family-figure {
    justify-self: end;
  }

  .page-products .index-item {
    grid-template-columns: 84px minmax(0, 1fr);
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }

  .page-products .rules-grid {
    grid-template-columns: repeat(12, 1fr);
    column-gap: var(--gutter);
    align-items: start;
  }

  .page-products .rules-head {
    grid-column: 1 / span 4;
    position: sticky;
    top: var(--space-6);
  }

  .page-products .rule-list {
    grid-column: 6 / span 7;
  }

  .page-products .next-list {
    grid-template-columns: repeat(12, 1fr);
    column-gap: var(--gutter);
  }

  .page-products .next-item:nth-child(1) {
    grid-column: 1 / span 6;
  }

  .page-products .next-item:nth-child(2) {
    grid-column: 8 / span 5;
    margin-top: var(--space-6);
  }

  .page-products .next-item:nth-child(3) {
    grid-column: 3 / span 6;
  }
}

@media (max-width: 620px) {
  .page-products .hero-head {
    max-width: none;
  }

  .page-products .hero-lead {
    font-size: var(--text-base);
  }

  .page-products .index-item {
    grid-template-columns: minmax(0, 1fr);
    row-gap: var(--space-1);
    padding-left: 0;
    padding-right: 0;
  }

  .page-products .index-num {
    padding-top: 0;
  }

  .page-products .rule-item {
    grid-template-columns: minmax(0, 1fr);
    row-gap: var(--space-1);
  }

  .page-products .catalog-filter .filter-status {
    margin-left: 0;
    flex-basis: 100%;
  }

  .page-products .num-strip {
    gap: var(--space-2) var(--space-3);
  }

  .page-products .next-link {
    grid-template-columns: minmax(0, 1fr);
    padding: var(--space-3);
  }

  .page-products .next-go {
    grid-column: 1;
    grid-row: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .index-item,
  .page-products .next-link {
    transition: none;
  }
}