:root {
  --bg: #0c0d0b;
  --bg-raise: #141510;
  --paper: #1c1d16;
  --line: #34362c;
  --ink: #f4f1e8;
  --muted: #c8c1b0;
  --faint: #9c9686;
  --brass: #e4b15a;
  --brass-deep: #8a6424;
  --skill: #9ddeb8;
  --mcp: #a9c0f5;
  --prompt: #f0b4c6;
  --usecase: #e6d3a1;
  --warn: #f0b09a;
  --danger: #e07a68;
  --serif: "Iowan Old Style", Palatino, "Palatino Linotype", "DejaVu Serif", Georgia, serif;
  --sans: "Segoe UI", "DejaVu Sans", system-ui, sans-serif;
  --mono: "DejaVu Sans Mono", ui-monospace, "Cascadia Code", Consolas, monospace;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.28);
  --max: 1120px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(228, 177, 90, 0.08), transparent 55%),
    var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.55;
  min-height: 100vh;
}
img { max-width: 100%; }
a { color: var(--brass); text-underline-offset: 0.18em; }
a:hover { color: var(--ink); }
code, .mono { font-family: var(--mono); font-size: 0.86em; }
:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}
.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--brass);
  color: #1a1408;
  padding: 0.5rem 0.8rem;
  z-index: 20;
}
.skip:focus { top: 0.5rem; }
.vh {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sponsor-bar {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: #10110d;
  min-height: 46px;
}
.sponsor-kicker {
  margin: 0;
  padding-left: 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
}
.ticker { overflow: hidden; }
.ticker-track {
  display: flex;
  gap: 0.6rem;
  width: max-content;
  animation: ticker 42s linear infinite;
  padding: 0.45rem 0;
}
.logo-slot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 9.5rem;
  height: 1.8rem;
  padding: 0 0.8rem;
  border: 1px dashed var(--brass-deep);
  color: var(--faint);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-decoration: none;
}
.logo-slot img { height: 1.2rem; width: auto; display: block; }
@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
  padding: 0.85rem 1.25rem;
  background: rgba(12, 13, 11, 0.94);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--ink);
}
.brand-mark {
  width: 0.7rem;
  height: 0.7rem;
  background: var(--brass);
  transform: rotate(45deg);
  display: inline-block;
}
.brand-name {
  font-family: var(--serif);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}
.brand-name span { color: var(--brass); }
.nav { display: flex; flex-wrap: wrap; gap: 0.35rem 0.9rem; }
.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }

.wrap { width: min(var(--max), calc(100% - 2rem)); margin: 0 auto; }
main { padding-bottom: 4rem; }

.hero { padding: 3.2rem 0 1.5rem; }
.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--brass);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.75rem;
}
h1, h2, h3 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.02em; line-height: 1.12; }
h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); margin: 0 0 1rem; max-width: 16ch; }
.lede { font-size: 1.2rem; max-width: 42rem; color: var(--muted); margin: 0 0 1.5rem; }
.search {
  display: flex;
  gap: 0.5rem;
  max-width: 40rem;
  background: var(--bg-raise);
  border: 1px solid var(--line);
  padding: 0.35rem;
}
.search input, .filters input {
  flex: 1;
  background: transparent;
  border: 0;
  color: var(--ink);
  font: inherit;
  padding: 0.65rem 0.8rem;
  min-width: 0;
}
.search button, .btn {
  background: var(--brass);
  color: #1b1408;
  border: 0;
  font: inherit;
  font-weight: 650;
  padding: 0.7rem 1rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.btn.quiet, button[disabled], fieldset[disabled] .btn {
  background: transparent;
  color: var(--faint);
  border: 1px solid var(--line);
  cursor: not-allowed;
}
.hint { color: var(--faint); font-size: 0.85rem; margin: 0.45rem 0 0; }

.counts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.count {
  padding: 1rem 0.2rem;
  text-decoration: none;
  color: inherit;
}
.count strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 500;
}
.count span { color: var(--muted); font-size: 0.92rem; }

.section { padding: 2.6rem 0 0.4rem; }
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  margin-bottom: 0.4rem;
}
.section-head h2 { margin: 0; font-size: 2rem; }
.section-head a { font-size: 0.95rem; }
.section p.note { color: var(--muted); max-width: 46rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.8rem;
}
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 1rem 1rem 0.9rem;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.card h3 { margin: 0; font-size: 1.35rem; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { color: var(--brass); }
.card .summary { margin: 0; color: var(--muted); flex: 1; }
.card-kicker, .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.55rem;
  align-items: center;
  margin: 0;
  color: var(--faint);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; display: inline-block; }
.dot.skill { background: var(--skill); }
.dot.mcp { background: var(--mcp); }
.dot.prompt { background: var(--prompt); }
.dot.use-case { background: var(--usecase); }
.badge {
  border: 1px solid var(--line);
  padding: 0.05rem 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.72rem;
}
.badge.warn { color: var(--warn); border-color: #6a463c; }
.meta { text-transform: none; letter-spacing: 0; font-size: 0.86rem; }

.split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
}
.panel {
  border: 1px solid var(--line);
  background: var(--bg-raise);
  padding: 1.1rem 1.15rem 1.2rem;
}
.panel.stack { margin-top: 1.2rem; }
.panel h2 { margin: 0 0 0.4rem; font-size: 1.7rem; }
.shelf {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
  margin-top: 1rem;
}
.frame {
  aspect-ratio: 16 / 10;
  border: 1px dashed var(--line);
  display: grid;
  place-items: center;
  color: var(--faint);
  text-decoration: none;
  font-size: 0.8rem;
  text-align: center;
  padding: 0.4rem;
}
.letter fieldset {
  border: 0;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.letter label { display: grid; gap: 0.3rem; color: var(--muted); font-size: 0.92rem; }
.letter input {
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--ink);
  font: inherit;
  padding: 0.7rem 0.75rem;
}
.chips { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 1rem 0; }
.chip {
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 0.45rem 0.7rem;
  background: var(--bg-raise);
}
.chip:hover { border-color: var(--brass); color: var(--brass); }

.crumb { color: var(--faint); font-size: 0.9rem; margin: 1.4rem 0 0.6rem; }
.crumb a { color: var(--muted); text-decoration: none; }
.detail-title { max-width: 20ch; margin-bottom: 0.6rem; }
.detail-summary { font-size: 1.2rem; max-width: 44rem; color: var(--muted); }
.callout {
  border-left: 3px solid var(--warn);
  background: #221814;
  padding: 0.8rem 1rem;
  margin: 1rem 0;
  max-width: 46rem;
}
.callout strong { color: var(--warn); }
.actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1rem 0; }
.actions a.btn { background: var(--brass); color: #1b1408; }
.actions a.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
pre, .prose pre {
  background: #0a0b09;
  border: 1px solid var(--line);
  padding: 0.9rem 1rem;
  overflow: auto;
  max-width: 100%;
  line-height: 1.45;
}
.prose { max-width: 44rem; }
.prose h2 { font-size: 1.6rem; margin: 1.6rem 0 0.4rem; }
.prose h3 { font-size: 1.25rem; }
.prose li { margin: 0.25rem 0; }
.facts {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: 0.35rem 0.8rem;
  max-width: 46rem;
  margin: 1rem 0 0.4rem;
}
.facts dt { color: var(--faint); }
.facts dd { margin: 0; }
.faq details {
  border-top: 1px solid var(--line);
  padding: 0.7rem 0;
}
.faq summary { cursor: pointer; font-weight: 650; }
.faq p { color: var(--muted); margin: 0.4rem 0 0.2rem; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.7rem 0.6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--faint); font-weight: 600; font-size: 0.82rem; letter-spacing: 0.06em; text-transform: uppercase; }

.filters { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; margin: 0.8rem 0 1rem; }
.filters input {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  min-width: min(100%, 22rem);
}
.empty {
  border: 1px dashed var(--line);
  padding: 1.2rem;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 3rem;
  color: var(--muted);
}
.site-footer .wrap { display: grid; gap: 0.8rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; }
.footer-links a { color: var(--muted); }
.owner { color: var(--ink); }

@media (max-width: 800px) {
  .counts, .split, .facts { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; }
  .sponsor-bar { grid-template-columns: 1fr; padding-top: 0.4rem; }
  .sponsor-kicker { padding-bottom: 0; }
  h1 { max-width: none; }
}
@media (max-width: 560px) {
  .counts, .facts, .shelf { grid-template-columns: 1fr; }
  .search { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation: none; }
  html { scroll-behavior: auto; }
}