.page-home {
  --home-split: 4fr 6fr;
  --home-rule: 4px;
}

/* ---------- hero ---------- */
.page-home .hero {
  border-bottom: var(--border-thick) solid var(--color-line);
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  align-items: stretch;
}

.page-home .hero-narrative {
  padding: var(--space-6) var(--space-4) var(--space-8);
  background: var(--color-surface);
  border-bottom: var(--home-rule) solid var(--color-primary);
}

.page-home .hero-title {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 0.94;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  margin: var(--space-3) 0 var(--space-4);
  text-transform: none;
}

.page-home .hero-lede {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--color-ink-soft);
  max-width: 40ch;
  margin: 0 0 var(--space-4);
}

.page-home .hero-meta {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  border-top: var(--border-thin) solid var(--color-line);
  padding-top: var(--space-2);
  margin: 0;
}

.page-home .hero-board {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: var(--space-6) var(--space-4);
  border-bottom: var(--border-thick) solid var(--color-contrast-line);
}

.page-home .hero-board-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  filter: saturate(0.5) brightness(0.7);
}

.page-home .hero-board-scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
  z-index: -1;
}

.page-home .hero-board-label {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-contrast-ink);
  opacity: 0.72;
  margin: 0 0 var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .hero-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-home .hero-stat {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num unit"
    "note note";
  align-items: baseline;
  column-gap: var(--space-2);
  row-gap: var(--space-1);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .hero-stat:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .hero-stat-num {
  grid-area: num;
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: var(--color-contrast-ink);
  text-align: right;
  border-bottom: var(--home-rule) solid var(--color-contrast-accent);
  padding-bottom: 2px;
}

.page-home .hero-stat-unit {
  grid-area: unit;
  font-size: var(--text-sm);
  color: var(--color-contrast-accent);
  letter-spacing: 0.04em;
}

.page-home .hero-stat-note {
  grid-area: note;
  font-size: var(--text-xs);
  line-height: 1.7;
  color: var(--color-contrast-ink);
  opacity: 0.76;
  max-width: 36ch;
}

/* ---------- shared section bits ---------- */
.page-home .section-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--color-ink);
  margin: var(--space-2) 0 var(--space-4);
  max-width: 22ch;
}

.page-home .section-title--dark {
  color: var(--color-contrast-ink);
}

.page-home .eyebrow {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0;
}

.page-home .eyebrow--dark {
  color: var(--color-contrast-accent);
}

.page-home .inline-link {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
  transition: color 140ms ease, border-color 140ms ease;
}

.page-home .inline-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.page-home .inline-link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.page-home .uline,
.page-home .uline-primary {
  background-image: linear-gradient(var(--color-accent), var(--color-accent));
  background-repeat: no-repeat;
  background-size: 100% 2px;
  background-position: 0 100%;
  transition: background-size 160ms ease;
}

.page-home .uline-primary {
  background-image: linear-gradient(var(--color-primary), var(--color-primary));
}

.page-home .hero-lede:hover .uline,
.page-home .hero-lede:hover .uline-primary {
  background-size: 100% 3px;
}

.page-home .media-frame {
  position: relative;
  margin: 0;
  background: var(--color-surface-deep);
}

.page-home .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-home .media-caption {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  padding: var(--space-1) var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
}

.page-home .media-credit {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-primary-ink);
  background: color-mix(in srgb, var(--color-contrast-surface) 78%, transparent);
  padding: 2px var(--space-1);
}

/* ---------- stages ---------- */
.page-home .stages {
  background: var(--color-surface);
  border-bottom: var(--border-thick) solid var(--color-line);
}

.page-home .stages-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-home .stages-figure {
  border-top: var(--border-thick) solid var(--color-ink);
}

.page-home .season-rail {
  margin-top: var(--space-4);
  border-top: var(--border-thick) solid var(--color-ink);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .rail-track {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-home .rail-node {
  flex: 1 0 68%;
  scroll-snap-align: start;
  display: grid;
  gap: var(--space-1);
  text-align: left;
  padding: var(--space-3) var(--space-3) var(--space-3) 0;
  background: transparent;
  border: 0;
  border-right: var(--border-thin) solid var(--color-line);
  border-radius: 0;
  color: inherit;
  font: inherit;
  cursor: pointer;
  transition: background-color 140ms ease;
}

.page-home .rail-node:last-child {
  border-right: 0;
}

.page-home .rail-node:hover,
.page-home .rail-node.is-active {
  background: var(--color-primary-soft);
}

.page-home .rail-node:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: -2px;
}

.page-home .rail-idx {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
  letter-spacing: 0.08em;
}

.page-home .rail-name {
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .rail-label {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-home .rail-readout {
  margin: 0;
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* ---------- dims ---------- */
.page-home .dims {
  background: var(--color-surface-alt);
  border-bottom: var(--border-thick) solid var(--color-line);
}

.page-home .dims-head {
  display: grid;
  gap: var(--space-3);
  border-bottom: var(--border-thick) solid var(--color-ink);
  padding-bottom: var(--space-3);
}

.page-home .dim-switcher {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
}

.page-home .dim-switcher-label {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-right: var(--space-1);
}

.page-home .dim-btn {
  font: inherit;
  font-size: var(--text-sm);
  padding: 6px var(--space-2);
  background: var(--color-surface);
  color: var(--color-ink-soft);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: background-color 140ms ease, color 140ms ease, border-color 140ms ease;
}

.page-home .dim-btn:hover {
  background: var(--color-primary-soft);
  color: var(--color-ink);
}

.page-home .dim-btn.is-active {
  background: var(--color-primary);
  color: var(--color-primary-ink);
  border-color: var(--color-primary);
}

.page-home .dim-btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.page-home .dim-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.page-home .dim-card {
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-top: var(--home-rule) solid var(--color-primary);
  padding: var(--space-3);
  transition: background-color 150ms ease, border-color 150ms ease;
}

.page-home .dim-card:hover {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
}

.page-home .dim-num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin: 0 0 var(--space-2);
}

.page-home .dim-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: 1.2;
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

.page-home .dim-stat {
  font-size: var(--text-base);
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  padding-bottom: var(--space-2);
}

.page-home .dim-stat .num {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  margin-right: 4px;
}

.page-home .dim-desc {
  font-size: var(--text-sm);
  line-height: 1.72;
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-2);
}

.page-home .dim-media {
  margin: var(--space-2) 0;
}

.page-home .dim-note {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-2);
  padding-left: var(--space-2);
  border-left: var(--border-thick) solid var(--color-primary-soft);
}

.page-home .dim-link {
  display: inline-block;
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
  transition: color 140ms ease, border-color 140ms ease;
}

.page-home .dim-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.page-home .dim-link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- samples ---------- */
.page-home .samples {
  background: var(--color-surface);
  border-bottom: var(--border-thick) solid var(--color-line);
}

.page-home .samples-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-home .samples-foot {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  border-top: var(--border-thin) solid var(--color-line);
  padding-top: var(--space-2);
  margin: var(--space-4) 0 0;
}

.page-home .samples-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-thick) solid var(--color-ink);
}

.page-home .samples-list .index-item {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  transition: background-color 140ms ease;
}

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

.page-home .samples-list .index-item-title {
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .samples-list .index-item-meta {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  line-height: 1.7;
}

/* ---------- portals ---------- */
.page-home .portals {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-bottom: var(--border-thick) solid var(--color-contrast-line);
}

.page-home .portal-list {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .portal-item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "idx body"
    "link link";
  gap: var(--space-2);
  align-items: start;
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
  transition: background-color 150ms ease;
}

.page-home .portal-item:hover {
  background: color-mix(in srgb, var(--color-contrast-accent) 14%, transparent);
}

.page-home .portal-idx {
  grid-area: idx;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-contrast-accent);
  padding-top: 4px;
}

.page-home .portal-body {
  grid-area: body;
}

.page-home .portal-name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-contrast-ink);
  margin: 0 0 var(--space-1);
}

.page-home .portal-desc {
  font-size: var(--text-sm);
  line-height: 1.72;
  color: var(--color-contrast-ink);
  opacity: 0.8;
  margin: 0;
  max-width: 56ch;
}

.page-home .portal-link {
  grid-area: link;
  justify-self: start;
  font-size: var(--text-sm);
  color: var(--color-contrast-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-contrast-accent);
  transition: color 140ms ease, border-color 140ms ease;
}

.page-home .portal-link:hover {
  color: var(--color-contrast-ink);
  border-bottom-color: var(--color-contrast-ink);
}

.page-home .portal-link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

/* ---------- about strip ---------- */
.page-home .about-strip {
  background: var(--color-surface);
  border-bottom: var(--border-thick) double var(--color-line);
}

.page-home .about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  border-top: var(--border-thick) solid var(--color-ink);
  border-bottom: var(--border-thin) solid var(--color-line);
  padding-top: var(--space-4);
}

.page-home .about-body .prose + .prose {
  margin-top: var(--space-3);
}

.page-home .about-body .prose {
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- responsive ---------- */
@media (min-width: 720px) {
  .page-home .hero-grid {
    grid-template-columns: var(--home-split);
  }

  .page-home .hero-narrative {
    padding: var(--space-8) var(--space-6) var(--section-y);
    border-bottom: 0;
    border-right: var(--home-rule) solid var(--color-primary);
  }

  .page-home .hero-board {
    padding: var(--space-8) var(--space-6);
    border-bottom: 0;
  }

  .page-home .hero-stat {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "num unit"
      "note note";
  }

  .page-home .stages-grid {
    grid-template-columns: 3fr 2fr;
    gap: var(--space-8);
    align-items: start;
  }

  .page-home .dim-grid {
    grid-template-columns: repeat(12, 1fr);
    gap: var(--space-4) var(--gutter);
  }

  .page-home .dim-card--a { grid-column: 1 / span 5; }
  .page-home .dim-card--b { grid-column: 7 / span 6; margin-top: var(--space-6); }
  .page-home .dim-card--c { grid-column: 1 / span 4; margin-top: calc(var(--space-6) * -1 + var(--space-4)); }
  .page-home .dim-card--d { grid-column: 6 / span 4; margin-top: var(--space-4); }
  .page-home .dim-card--e { grid-column: 10 / span 3; margin-top: calc(var(--space-8) + var(--space-2)); }

  .page-home .samples-grid {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-8);
    align-items: start;
  }

  .page-home .portal-item {
    grid-template-columns: 4rem minmax(0, 1fr) auto;
    grid-template-areas: "idx .page-home link";
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) 0;
  }

  .page-home .portal-link {
    justify-self: end;
  }

  .page-home .about-grid {
    grid-template-columns: 4fr 7fr;
    gap: var(--space-8);
  }
}

@media (min-width: 1100px) {
  .page-home .rail-node {
    flex: 1 1 0;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>