:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --ink: #1a1a17;
  --ink-soft: #4a4843;
  --muted: #8a8780;
  --line: #e7e3da;
  --line-soft: #efece4;
  --accent: #9a3412;
  --accent-soft: #c2410c;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --maxw: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16150f;
    --surface: #1d1c15;
    --ink: #f0ede4;
    --ink-soft: #c9c5b8;
    --muted: #908c7e;
    --line: #322f25;
    --line-soft: #28261d;
    --accent: #f4a06a;
    --accent-soft: #f4a06a;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }
code { font-family: var(--mono); font-size: 0.86em; }

/* Header / footer */
.site-head { border-bottom: 1px solid var(--line); position: sticky; top: 0; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); z-index: 10; }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-family: var(--serif); font-weight: 600; font-size: 1.25rem; color: var(--ink); letter-spacing: -0.01em; }
.brand span { color: var(--muted); font-weight: 400; }
.brand:hover { text-decoration: none; }
.site-head nav { display: flex; align-items: center; gap: 18px; }
.site-head nav a { color: var(--ink-soft); font-size: 0.92rem; white-space: nowrap; }
.site-head nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }
.site-foot { border-top: 1px solid var(--line); margin-top: 80px; padding: 32px 0 56px; color: var(--ink-soft); font-size: 0.9rem; }
.site-foot p { margin: 4px 0; }
.muted { color: var(--muted); }

/* Hero */
.hero { padding: 72px 0 40px; max-width: 720px; }
.hero h1 { font-family: var(--serif); font-size: clamp(2.6rem, 6vw, 3.8rem); line-height: 1.02; letter-spacing: -0.02em; font-weight: 600; margin: 0 0 18px; }
.lede { font-size: 1.18rem; color: var(--ink-soft); line-height: 1.55; margin: 0 0 28px; }
.lede code { background: var(--line-soft); padding: 1px 6px; border-radius: 4px; }

/* Search */
.search { display: flex; align-items: center; gap: 14px; }
#q {
  width: 100%; max-width: 420px;
  font-family: var(--sans); font-size: 1rem;
  padding: 11px 15px;
  border: 1px solid var(--line); border-radius: 9px;
  background: var(--surface); color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
#q:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent); }
.count { color: var(--muted); font-size: 0.9rem; font-variant-numeric: tabular-nums; white-space: nowrap; }

/* Categories + grid */
.cat { margin-top: 52px; }
.cat h2 {
  font-family: var(--serif); font-size: 1.05rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted);
  margin: 0 0 18px; padding-bottom: 10px; border-bottom: 1px solid var(--line-soft);
}
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.card {
  display: block; padding: 18px 20px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  color: var(--ink); transition: border-color .15s, transform .12s, box-shadow .15s;
}
.card:hover {
  text-decoration: none; border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  transform: translateY(-2px); box-shadow: 0 6px 20px -12px rgba(0,0,0,.25);
}
.card h3 {
  font-family: var(--mono); font-size: 0.95rem; font-weight: 500;
  margin: 0 0 7px; color: var(--ink); display: flex; align-items: baseline; gap: 8px;
}
.card p { margin: 0; font-size: 0.92rem; line-height: 1.5; color: var(--ink-soft); }
.ver { font-family: var(--mono); font-size: 0.7rem; color: var(--muted); font-weight: 400; }

/* Skill detail */
.skill { max-width: 760px; margin: 0 auto; padding-top: 40px; }
.crumb { font-size: 0.88rem; color: var(--muted); margin: 0 0 20px; }
.crumb span { margin: 0 4px; }
.skill-head { padding-bottom: 28px; border-bottom: 1px solid var(--line); margin-bottom: 36px; }
.skill-head h1 { font-family: var(--mono); font-size: 2rem; font-weight: 500; letter-spacing: -0.01em; margin: 0 0 14px; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.skill-head h1 .ver { font-size: 0.9rem; }
.desc { font-size: 1.12rem; line-height: 1.55; color: var(--ink-soft); margin: 0 0 16px; }
.arghint { margin: 0 0 16px; }
.arghint code { background: var(--line-soft); padding: 3px 9px; border-radius: 6px; color: var(--accent-soft); }
.tags { list-style: none; display: flex; flex-wrap: wrap; gap: 7px; padding: 0; margin: 0 0 22px; }
.tags li { font-family: var(--mono); font-size: 0.72rem; color: var(--ink-soft); background: var(--line-soft); padding: 3px 9px; border-radius: 20px; }
.links { display: flex; gap: 10px; flex-wrap: wrap; margin: 0; }
.btn { display: inline-block; font-size: 0.9rem; padding: 8px 15px; border-radius: 8px; background: var(--accent); color: #fff; border: 1px solid var(--accent); }
.btn:hover { text-decoration: none; background: var(--accent-soft); }
.btn.ghost { background: transparent; color: var(--ink-soft); border-color: var(--line); }
.btn.ghost:hover { background: var(--line-soft); }

/* Prose (rendered SKILL.md) */
.prose { font-size: 1.02rem; line-height: 1.72; }
.prose h1, .prose h2, .prose h3, .prose h4 { font-family: var(--serif); line-height: 1.2; letter-spacing: -0.01em; margin: 1.8em 0 0.6em; }
.prose h1 { font-size: 1.7rem; }
.prose h2 { font-size: 1.4rem; padding-bottom: 6px; border-bottom: 1px solid var(--line-soft); }
.prose h3 { font-size: 1.15rem; }
.prose h4 { font-size: 1rem; }
.prose p, .prose li { color: var(--ink); }
.prose a { text-decoration: underline; text-underline-offset: 2px; }
.prose code { background: var(--line-soft); padding: 2px 6px; border-radius: 5px; color: var(--accent-soft); }
.prose pre { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 16px; overflow-x: auto; line-height: 1.5; }
.prose pre code { background: none; padding: 0; color: var(--ink); }
.prose blockquote { margin: 1.2em 0; padding: 4px 18px; border-left: 3px solid var(--accent); color: var(--ink-soft); }
.prose table { border-collapse: collapse; width: 100%; margin: 1.2em 0; font-size: 0.94rem; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; }
.prose th { background: var(--line-soft); font-weight: 600; }
.prose hr { border: none; border-top: 1px solid var(--line); margin: 2em 0; }
.prose img { max-width: 100%; border-radius: 8px; }

.supporting { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); }
.supporting h2 { font-family: var(--serif); font-size: 1.1rem; margin: 0 0 12px; }
.supporting ul { margin: 0; padding-left: 20px; }
.supporting li { margin: 4px 0; }
.supporting a { font-family: var(--mono); font-size: 0.9rem; }

/* Production map */
.map-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
  gap: 64px;
  align-items: end;
  padding: 72px 0 56px;
}
.kicker {
  margin: 0 0 14px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.map-hero h1 {
  max-width: 760px;
  margin: 0 0 18px;
  font-family: var(--serif);
  font-size: clamp(2.7rem, 6vw, 4.6rem);
  font-weight: 600;
  letter-spacing: -.025em;
  line-height: .98;
}
.map-hero .lede { max-width: 650px; margin-bottom: 0; }
.map-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 0;
  border-top: 1px solid var(--line);
}
.map-stats div { padding: 13px 0 15px; border-bottom: 1px solid var(--line); }
.map-stats div:nth-child(odd) { padding-right: 18px; }
.map-stats div:nth-child(even) { padding-left: 18px; border-left: 1px solid var(--line); }
.map-stats dt { color: var(--muted); font-size: .78rem; }
.map-stats dd { margin: 4px 0 0; font-family: var(--mono); font-size: 1.1rem; color: var(--ink); }

.section-intro {
  max-width: 690px;
  margin: 0 0 28px;
}
.section-intro h2,
.map-principle h2 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 1.85rem;
  font-weight: 600;
  letter-spacing: -.015em;
  line-height: 1.1;
}
.section-intro p,
.map-principle p { margin: 0; color: var(--ink-soft); }

.pipeline { padding-top: 36px; }
.pipeline-stage {
  display: grid;
  grid-template-columns: minmax(230px, .78fr) minmax(0, 1.22fr);
  gap: 48px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.pipeline-stage:last-child { border-bottom: 1px solid var(--line); }
.stage-copy h3 {
  margin: 0 0 7px;
  font-family: var(--serif);
  font-size: 1.25rem;
  line-height: 1.2;
}
.stage-copy p { margin: 0; color: var(--ink-soft); font-size: .94rem; line-height: 1.55; }
.stage-tools { min-width: 0; }
.skill-tokens { display: flex; flex-wrap: wrap; gap: 7px; }
.skill-token {
  display: inline-block;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink-soft);
  background: var(--surface);
  font-family: var(--mono);
  font-size: .72rem;
  line-height: 1.4;
}
a.skill-token:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.skill-token.external { border-style: dashed; }
.skill-token.unavailable { opacity: .55; }
.gap {
  display: inline-block;
  margin: 12px 0 0;
  padding: 5px 9px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent);
  font-family: var(--mono);
  font-size: .76rem;
}
.gate { margin: 12px 0 0; color: var(--muted); font-size: .86rem; }

.map-principle {
  max-width: 780px;
  margin: 64px 0 88px;
  padding: 24px 0 24px 24px;
  border-left: 3px solid var(--accent);
}
.map-principle h2 { font-size: 1.4rem; }

.inventory-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 48px;
  align-items: end;
  max-width: none;
}
.map-search { display: block; }
.map-search span { display: block; margin-bottom: 6px; color: var(--muted); font-size: .78rem; }
.map-search input {
  width: 100%;
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: .92rem;
}
.map-search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent);
}
.category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.category-nav a { color: var(--ink-soft); font-size: .82rem; }
.category-nav a span { color: var(--muted); font-family: var(--mono); font-size: .72rem; }
.map-count { min-height: 1.5em; margin: 14px 0 0; color: var(--muted); font-size: .84rem; }
.inventory-group { margin-top: 50px; scroll-margin-top: 80px; }
.inventory-group > header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 8px;
}
.inventory-group > header h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.24rem;
  font-weight: 600;
}
.inventory-group > header span { color: var(--muted); font-family: var(--mono); font-size: .76rem; }
.inventory-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 36px;
}
.inventory-card {
  display: block;
  min-width: 0;
  padding: 16px 0 18px;
  border-top: 1px solid var(--line-soft);
  color: var(--ink);
}
a.inventory-card:hover { text-decoration: none; }
a.inventory-card:hover h3 { color: var(--accent); }
.inventory-card h3 {
  margin: 0 0 5px;
  overflow-wrap: anywhere;
  font-family: var(--mono);
  font-size: .88rem;
  font-weight: 500;
  transition: color .15s;
}
.inventory-card p { margin: 0 0 8px; color: var(--ink-soft); font-size: .86rem; line-height: 1.5; }
.inventory-card .source { color: var(--muted); font-family: var(--mono); font-size: .68rem; }
.external-card { cursor: default; }
[hidden] { display: none !important; }

@media (max-width: 860px) {
  .map-hero { grid-template-columns: 1fr; gap: 38px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero { padding: 48px 0 32px; }
  .grid { grid-template-columns: 1fr; }
  .search { flex-direction: column; align-items: flex-start; }
  #q { max-width: 100%; }
  .brand span { display: none; }
  .site-head nav { gap: 12px; }
  .site-head nav a { font-size: .82rem; }
  .site-head nav a:last-child { display: none; }
  .map-hero { grid-template-columns: 1fr; gap: 34px; padding: 48px 0 42px; }
  .map-hero h1 { font-size: clamp(2.5rem, 13vw, 3.5rem); }
  .pipeline-stage { grid-template-columns: 1fr; gap: 16px; padding: 24px 0; }
  .map-principle { margin: 48px 0 64px; padding-left: 18px; }
  .inventory-intro { grid-template-columns: 1fr; gap: 22px; }
  .inventory-grid { grid-template-columns: 1fr; }
}