/* Homepage-only presentation. Article styles and content remain unchanged. */
body.home-page {
  --home-surface: #fff;
  --home-border: #d5e9e0;
  --home-ink: #203333;
  --home-muted: #5f7477;
  --home-accent: #0f766e;
  background:
    radial-gradient(ellipse 1100px 720px at 2% 0, rgb(151 231 201 / 43%), transparent 74%),
    radial-gradient(ellipse 850px 650px at 100% 100px, rgb(190 239 221 / 48%), transparent 76%),
    linear-gradient(180deg, #f0fcf6 0, #f7fcf9 1000px, #fbfdfc 2000px);
  color: var(--home-ink);
}
body.home-page .content-wrap { max-width: 1500px; grid-template-columns: minmax(0, 1020px) 236px; gap: 48px; padding-top: 56px; }
body.home-page h1 { margin-bottom: 20px; padding-bottom: 0; border: 0; color: var(--home-ink); font-size: clamp(2rem, 3vw, 2.8rem); letter-spacing: -0.025em; }
body.home-page .lead { max-width: none; margin-bottom: 32px; color: var(--home-muted); font-size: 0.95rem; line-height: 1.9; text-indent: 0; }
body.home-page .doc-section > p { color: #526c70; line-height: 1.85; }
body.home-page .doc-section + .doc-section { margin-top: 84px; padding-top: 44px; border-top-color: #d7eae2; }
body.home-page .doc-section > h2 { margin-bottom: 20px; color: var(--home-ink); font-size: clamp(1.4rem, 1.8vw, 1.8rem); line-height: 1.4; }
body.home-page .doc-section > h2::before { width: 24px; height: 2px; margin-bottom: 14px; border-radius: 2px; background: var(--home-accent); }
body.home-page .project-grid,
body.home-page .sitemap-grid { margin-top: 36px; margin-bottom: 50px; gap: 24px; }
body.home-page #top :is(.project-grid, .sitemap-grid) { gap: 24px; }

/* Collapsible collection index; the existing content and destinations stay intact. */
body.home-page .collection-overview { margin: 0 0 40px; overflow: hidden; border: 1px solid var(--home-border); border-radius: 8px; background: rgb(255 255 255 / 78%); }
body.home-page .collection-overview[open] { background: #eaf7f0; }
body.home-page .collection-overview[open] > summary { border-bottom: 1px solid #c6e3d4; background: #fafffc; }
body.home-page .collection-overview > summary { padding: 16px 20px; color: #28665a; font-weight: 650; cursor: pointer; }
body.home-page .collection-overview > summary::marker { color: var(--home-accent); }
body.home-page .collection-overview > summary > span { float: right; margin-left: 12px; color: #68837c; font-size: 0.83rem; font-weight: 400; }
body.home-page .collection-overview .overview-collapse,
body.home-page .collection-overview[open] .overview-expand { display: none; }
body.home-page .collection-overview[open] .overview-collapse { display: inline; }
body.home-page .collection-overview .home-panels { margin: 0; padding: 20px; gap: 20px; }
body.home-page .home-panel { border: 1px solid #b5d5c7; border-radius: 8px; padding: 22px; background: #fff; box-shadow: 0 2px 5px rgb(15 118 110 / 5%); }
body.home-page .home-panel h2 { color: var(--home-ink); font-size: 1.05rem; line-height: 1.5; }
body.home-page .home-panel p { color: var(--home-muted); font-size: 0.88rem; line-height: 1.8; }
body.home-page .home-panel:hover { transform: none; border-color: #8ccdb8; box-shadow: 0 4px 14px rgb(15 118 110 / 6%); }

/* Shared small-radius, photo-focused article cards. */
body.home-page #top :is(.project-card, .sitemap-card, .competition-card, .latest-post-card) {
  position: relative;
  min-height: 0;
  overflow: hidden;
  padding: 0 0 22px;
  border: 1px solid #d9eae3;
  border-radius: 8px;
  background: #fff;
  color: var(--home-ink);
  text-decoration: none;
  box-shadow: 0 6px 20px rgb(15 118 110 / 7%);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
body.home-page #top a:is(.project-card, .sitemap-card, .competition-card, .latest-post-card):hover {
  transform: none;
  border-color: #75c5ae;
  box-shadow: 0 10px 26px rgb(15 118 110 / 12%);
}
body.home-page #top article:is(.project-card, .sitemap-card):hover { transform: none; }
body.home-page #top :is(.project-card, .sitemap-card, .competition-card) > .sitemap-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  min-width: 36px;
  height: 36px;
  padding: 0;
  margin: 22px 22px 18px;
  border: 1px solid #cde7dc;
  border-radius: 4px;
  background: #f0fbf6;
  color: #4f776a;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0;
  box-shadow: none;
}
body.home-page #top :is(.project-card, .sitemap-card, .competition-card) > :is(h2, h4) {
  margin: 0 22px 12px;
  padding: 0;
  border: 0;
  color: var(--home-ink);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
body.home-page #top :is(.project-card, .sitemap-card, .competition-card) > :is(h2, h4)::before,
body.home-page #top :is(.project-card, .sitemap-card, .competition-card) > :is(h2, h4)::after,
body.home-page #top .latest-post-copy h3::before,
body.home-page #top .latest-post-copy h3::after { display: none; content: none; }
body.home-page #top :is(.project-card, .sitemap-card, .competition-card) > p {
  margin: 0 22px;
  color: var(--home-muted);
  font-size: 0.875rem;
  line-height: 1.8;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
body.home-page #top :is(.project-card, .sitemap-card) > :is(.project-thumb, .calibration-card-thumb) {
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  margin: 0;
  border: 0;
  box-shadow: none;
}
body.home-page #top :is(img.project-thumb, img.calibration-card-thumb) { display: block; }
body.home-page #top :is(.project-card, .sitemap-card):has(> :is(.project-thumb, .calibration-card-thumb)) > .sitemap-number {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 1;
  margin: 0;
}
body.home-page #top :is(.project-card, .sitemap-card):has(> :is(.project-thumb, .calibration-card-thumb)) > h2 { margin-top: 20px; }
body.home-page #top .project-thumb.model-preview { object-fit: contain; background: #f6fbf8; }

/* Recent posts share the selected card surface and typography. */
body.home-page .latest-posts > h2 { margin: 0 0 22px; }
body.home-page .latest-posts { position: relative; }
body.home-page .latest-posts > h2 { padding-right: 150px; }
body.home-page .latest-post-controls { display: flex; align-items: center; justify-content: flex-end; gap: 8px; position: absolute; top: 21px; right: 0; }
body.home-page .latest-post-controls[hidden] { display: none; }
body.home-page .latest-post-position { margin-right: 6px; color: var(--home-muted); font-size: 0.78rem; font-variant-numeric: tabular-nums; }
body.home-page .latest-post-controls button { width: 34px; height: 34px; padding: 0; border: 1px solid #cde7dc; border-radius: 4px; background: #fff; color: var(--home-accent); font: inherit; cursor: pointer; }
body.home-page .latest-post-controls button:hover:not(:disabled) { background: #e2faee; border-color: #75c5ae; }
body.home-page .latest-post-controls button:disabled { opacity: 0.35; cursor: default; }
body.home-page .latest-post-grid { display: grid; grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: calc((100% - 44px) / 3); gap: 22px; overflow-x: auto; scroll-snap-type: x mandatory; overscroll-behavior-x: contain; padding: 2px 0 14px; scrollbar-width: thin; scrollbar-color: #a0cdbb #eaf6ef; }
body.home-page .latest-post-grid > .latest-post-card { min-width: 0; scroll-snap-align: start; }
body.home-page #top .latest-post-card { display: block; padding: 0; border-color: #e5eee9; }
body.home-page #top a.latest-post-card:hover { border-color: #bad8cb; }
body.home-page .latest-post-thumb { width: 100%; aspect-ratio: 2 / 1; overflow: hidden; border: 0; background: #f6fbf8; }
body.home-page .latest-post-thumb > img { width: 100%; height: 100%; object-fit: cover; }
body.home-page .latest-post-thumb.dataset-rig-preview { background: #f2f4f7; }
body.home-page .latest-post-thumb.dataset-rig-preview > img { object-fit: contain; }
body.home-page .latest-post-copy { padding: 16px 18px 18px; background: #fff; }
body.home-page #top .latest-post-copy h3 { margin: 0 0 8px; padding: 0; border: 0; color: var(--home-ink); font-size: 1rem; font-weight: 700; line-height: 1.5; word-break: keep-all; overflow-wrap: anywhere; }
body.home-page .latest-post-copy p { margin: 0; color: var(--home-muted); font-size: 0.8125rem; line-height: 1.75; word-break: keep-all; overflow-wrap: anywhere; }
body.home-page .latest-posts + .doc-section { margin-top: 76px; }

/* The split launch preview must keep its own grid and source crop. */
body.home-page #top .project-thumb.launch-preview,
body.home-page #top .latest-post-thumb.launch-preview { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
body.home-page #top .launch-preview-panel img {
  position: absolute; top: -25.151515%; left: 50%;
  width: auto; max-width: none; height: 148.787879%; max-height: none;
  transform: translateX(-25.4%);
}
body.home-page #top .launch-preview-cis img { transform: translateX(-75.6%); }

/* Secondary navigation and project groups share the light mint palette. */
body.home-page .home-page-toc {
  top: 28px;
  margin-top: 134px;
  padding: 20px 14px;
  border: 1px solid var(--home-border);
  border-radius: 8px;
  background: rgb(255 255 255 / 82%);
  box-shadow: 0 4px 18px rgb(15 118 110 / 5%);
}
body.home-page .home-page-toc strong { margin: 0 10px 12px; color: var(--home-accent); font-size: 1rem; font-weight: 700; }
body.home-page .home-page-toc a { margin: 3px 0; padding: 10px 12px; border: 0; border-radius: 4px; color: #607972; font-size: 0.84rem; line-height: 1.5; }
body.home-page .home-page-toc a:hover,
body.home-page .home-page-toc a.current { border: 0; background: #e2faee; color: var(--home-accent); }
body.home-page .competition-home .competition-group { border: 1px solid #ccebdc; border-radius: 10px; padding: 30px; background: linear-gradient(160deg, #e7faf0, #f5fcf8 70%); }
body.home-page .competition-project-intro { padding-bottom: 12px; }
body.home-page .competition-project-intro h3 { color: var(--home-ink); }
body.home-page .competition-project-intro h3::before { display: none; }
body.home-page .competition-home .competition-collection { gap: 28px; }

body.home-page #top a:is(.project-card, .sitemap-card, .competition-card, .latest-post-card, .home-panel):focus-visible,
body.home-page .collection-overview > summary:focus-visible,
body.home-page .home-page-toc a:focus-visible { outline: 3px solid #0f766e; outline-offset: 4px; }
body.home-page .latest-post-controls button:focus-visible { outline: 2px solid #4f9483; outline-offset: 3px; }
body.home-page .latest-post-grid:focus-visible { outline: 1px solid #4f9483; outline-offset: 3px; }
body.home-page #top .latest-post-card:focus-visible { outline-color: #4f9483; outline-offset: -3px; }
@media (prefers-reduced-motion: reduce) {
  body.home-page #top :is(.project-card, .sitemap-card, .competition-card, .latest-post-card) { transition: none; }
}
@media (max-width: 1400px) {
  body.home-page .content-wrap { max-width: 1120px; grid-template-columns: minmax(0, 1020px); gap: 0; }
}
@media (max-width: 700px) {
  body.home-page .content-wrap { padding-top: 32px; padding-inline: 24px; }
  body.home-page .collection-overview > summary { padding: 14px 16px; font-size: 0.9rem; }
  body.home-page .doc-section + .doc-section { margin-top: 64px; padding-top: 32px; }
  body.home-page .latest-post-grid { grid-auto-columns: 100%; gap: 16px; }
  body.home-page #top .latest-post-card { display: grid; grid-template-columns: 32% minmax(0, 1fr); }
  body.home-page .latest-post-thumb { min-height: 110px; aspect-ratio: auto; }
  body.home-page .latest-post-copy { padding: 12px 14px; }
  body.home-page #top .latest-post-copy h3 { font-size: 0.9rem; margin-bottom: 6px; }
  body.home-page .latest-post-copy p { font-size: 0.78rem; line-height: 1.75; }
  body.home-page .competition-home .competition-group { padding: 20px 16px; }
}