/* Suited — briefs wiki. Branding mirrors suited-dashboard (felt green, gold, serif display). */

:root {
  --page: #103a2e;
  --ink: #e6ece7;
  --muted: #a8bcae;
  --gold: #c9a961;
  --mint: #8fc3a6;
  --ember: #d98b6a;
  --line: rgba(230, 236, 231, 0.14);
  --cream: #f3ead8;
  --panel: rgba(8, 32, 25, 0.42);
  --panel-solid: #0c2b21;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100%;
  background: var(--page);
  color: var(--ink);
  font-family: "Inter Tight", system-ui, -apple-system, sans-serif;
  font-weight: 400;
  font-size: 15.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(201, 169, 97, 0.3); }

a { color: var(--cream); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--gold); }

/* ---- felt background ---- */
.felt-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(120% 90% at 50% 30%, #1a5a45 0%, #14493a 34%, #103a2e 62%, #0a261d 100%);
}
.felt-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(80% 70% at 50% 42%, rgba(0, 0, 0, 0) 40%, rgba(0, 0, 0, 0.34) 100%);
}

/* ---- top bar ---- */
.top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 32px;
  background: rgba(10, 38, 29, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; color: var(--ink); font-weight: 500; font-size: 17px; }
.brand:hover { color: var(--ink); }
.diamond { width: 17px; height: 17px; fill: var(--gold); }
.brand-sub { color: var(--gold); font-weight: 400; font-size: 13px; letter-spacing: 0.02em; }

.top-nav { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.top-nav a { font-size: 14px; text-decoration: none; color: var(--muted); }
.top-nav a:hover { color: var(--ink); }
.top-nav a.on { color: var(--gold); }

/* ---- layout ---- */
.layout {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px 32px 96px;
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 52px;
  align-items: start;
}

/* ---- sidebar ---- */
.side { position: sticky; top: 84px; font-size: 13.5px; }
.side-head {
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 10px;
}
.side-head.toc-head { margin-top: 26px; }
.side-group {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 20px 0 7px;
}
.side-list { list-style: none; margin: 0; padding: 0; }
.side-list li { margin: 0 0 4px; }
.side-list a {
  display: block;
  padding: 5px 9px;
  border-radius: 7px;
  color: var(--ink);
  text-decoration: none;
  border-left: 2px solid transparent;
}
.side-list a:hover { background: var(--panel); color: var(--cream); }
.side-list a.on { border-left-color: var(--gold); background: var(--panel); color: var(--gold); }
.side-list.toc a { color: var(--muted); font-size: 13px; }
.side-list.toc a:hover { color: var(--cream); }

/* ---- content ---- */
.content { min-width: 0; }

.doc-head { margin-bottom: 34px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.doc-kicker { color: var(--gold); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; }
.doc-head h1 { font-family: "Instrument Serif", Georgia, serif; font-weight: 400; font-size: clamp(32px, 4.4vw, 50px); line-height: 1.06; letter-spacing: -0.02em; margin: 10px 0 14px; }
.lede { color: var(--cream); font-size: 17px; max-width: 70ch; margin: 0 0 8px; }
.doc-head .meta, .meta { color: var(--muted); font-size: 13px; margin: 8px 0 0; }

.hero { margin-bottom: 44px; }
.hero .kicker { color: var(--gold); font-size: 12.5px; letter-spacing: 0.12em; text-transform: uppercase; margin: 0 0 14px; }
.hero h1 { font-family: "Instrument Serif", Georgia, serif; font-weight: 400; font-size: clamp(34px, 5vw, 58px); line-height: 1.04; letter-spacing: -0.02em; margin: 0 0 18px; max-width: 20ch; }

/* ---- prose (markdown) ---- */
.prose { max-width: 74ch; }
.prose h1 { font-family: "Instrument Serif", Georgia, serif; font-weight: 400; font-size: clamp(30px, 4vw, 44px); line-height: 1.08; letter-spacing: -0.02em; margin: 44px 0 14px; }
.prose h2 { font-family: "Instrument Serif", Georgia, serif; font-weight: 400; font-size: clamp(24px, 3vw, 32px); line-height: 1.12; margin: 46px 0 12px; padding-top: 8px; }
.prose h3 { font-size: 17px; font-weight: 600; letter-spacing: 0.01em; margin: 30px 0 8px; color: var(--mint); }
.prose h4 { font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 24px 0 6px; }
.prose p { margin: 0 0 15px; }
.prose ul, .prose ol { margin: 0 0 16px; padding-left: 22px; }
.prose li { margin: 0 0 6px; }
.prose li::marker { color: var(--gold); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }
.prose strong { color: var(--cream); font-weight: 600; }
.prose em { color: var(--cream); }
.prose a { color: var(--mint); }
.prose a:hover { color: var(--gold); }

.prose code {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.86em;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 5px;
  color: var(--cream);
}
.prose pre {
  background: rgba(0, 0, 0, 0.34);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 18px;
  overflow-x: auto;
  margin: 0 0 18px;
}
.prose pre code { background: none; border: 0; padding: 0; font-size: 13px; }

.prose blockquote {
  margin: 0 0 18px;
  padding: 4px 0 4px 18px;
  border-left: 2px solid var(--gold);
  color: var(--cream);
}
.prose blockquote p { margin: 0 0 8px; }
.prose blockquote p:last-child { margin: 0; }
.prose blockquote code { font-size: 0.84em; }

/* ---- tables ---- */
.table-wrap, .prose .table-wrap { overflow-x: auto; margin: 0 0 22px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 13px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--gold); font-weight: 500; font-size: 11.5px; letter-spacing: 0.07em; text-transform: uppercase; border-bottom-color: rgba(201, 169, 97, 0.4); white-space: nowrap; }
tbody tr:hover { background: var(--panel); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 12.5px; }
.prose table { font-size: 13.5px; }

/* ---- cards (numbers) ---- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
  gap: 14px;
  margin: 0 0 44px;
}
.card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.card-label { color: var(--muted); font-size: 11.5px; letter-spacing: 0.07em; text-transform: uppercase; }
.card-value { color: var(--cream); font-family: "Instrument Serif", Georgia, serif; font-size: 27px; line-height: 1.1; }
.card-sub { color: var(--muted); font-size: 12px; }

.block { margin: 0 0 52px; }
.block h2 { font-family: "Instrument Serif", Georgia, serif; font-weight: 400; font-size: clamp(22px, 2.6vw, 30px); margin: 0 0 10px; }
.section-note { color: var(--muted); font-size: 13.5px; margin: 0 0 16px; max-width: 74ch; }
.section-note code { font-size: 0.84em; }

/* ---- doc list (index) ---- */
.group { margin: 0 0 44px; }
.group h2 { font-family: "Instrument Serif", Georgia, serif; font-weight: 400; font-size: 26px; margin: 0 0 14px; }
.doc-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.doc-list a {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.doc-list a:hover { border-color: rgba(201, 169, 97, 0.5); transform: translateY(-1px); }
.it-title { color: var(--cream); font-size: 16.5px; font-weight: 500; }
.it-blurb { color: var(--muted); font-size: 13.5px; }

/* ---- footer ---- */
.foot {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 32px 60px;
  color: var(--muted);
  font-size: 13px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  border-top: 1px solid var(--line);
}
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--gold); }
.foot .dot { opacity: 0.5; }

/* ---- responsive ---- */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; gap: 28px; padding: 28px 20px 72px; }
  .side { position: static; border: 1px solid var(--line); border-radius: 12px; padding: 16px; background: var(--panel); }
  .top { padding: 14px 20px; }
  .top-nav { gap: 14px; }
  .hero h1 { max-width: none; }
}

@media (max-width: 560px) {
  .card-value { font-size: 23px; }
  .top-nav a:not(.on) { display: none; }
}