/* ==========================================================================
   doc.css  ::  long-form document pages
   Layers on assets/chart.css. Uses only chart.css brand tokens, so the
   thesis, frameworks, playbook and Weigh-In pages sit in the same navy,
   gold and cream identity as the homepage, the mark and the film.
   Load order: chart.css, then this.
   ========================================================================== */

/* ---- hero band ------------------------------------------------------- */
.doc-hero {
  background: var(--shoal);
  border-bottom: 1px solid var(--line-ink);
  padding: clamp(48px, 6.5vw, 74px) 0 clamp(30px, 3.4vw, 40px);
}
.doc-hero h1 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  letter-spacing: -.024em;
  line-height: 1.1;
  color: var(--ink);
  margin: 0;
}
.doc-hero .tagline {
  font-family: var(--mono); font-size: .655rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--muted); margin: 20px 0 0;
}

/* ---- body ------------------------------------------------------------ */
.doc-body { padding: clamp(36px, 4.2vw, 56px) 0 clamp(52px, 6vw, 84px); }
.doc-body .wrap { max-width: 800px; }

.doc-body h2 {
  font-size: clamp(1.26rem, 2vw, 1.56rem);
  letter-spacing: -.018em;
  color: var(--ink);
  margin: 52px 0 16px;
  padding-top: 19px;
  border-top: 1px solid var(--line-ink);
}
.doc-body h2:first-of-type { margin-top: 6px; }
.doc-body h3 {
  font-size: 1.02rem; letter-spacing: -.01em; color: var(--ink);
  margin: 30px 0 9px;
}
.doc-body p { color: var(--ink-2); margin: 0 0 1.08em; }
.doc-body p.lead {
  font-size: 1.12rem; line-height: 1.58; color: var(--ink);
  max-width: 56ch; margin-bottom: 1.25em;
}
.doc-body ul, .doc-body ol { padding-left: 20px; margin: 0 0 1.08em; }
.doc-body li { margin-bottom: 9px; color: var(--ink-2); }
.doc-body li::marker { color: var(--signal-text); }
.doc-body strong { font-weight: 600; color: var(--ink); }
.doc-body a { color: inherit; text-decoration: none; border-bottom: 1px solid var(--line); transition: border-color .18s, color .18s; }
.doc-body a:hover { color: var(--signal-text); border-bottom-color: var(--signal-text); }
.doc-body a.btn, .doc-body a.arrow-link { border-bottom: 0; }
.doc-body a.arrow-link { border-bottom: 1px solid var(--line); }

/* ---- contents -------------------------------------------------------- */
.doc-toc {
  border-top: 1px solid var(--line-ink);
  border-bottom: 1px solid var(--line-ink);
  padding: 24px 0 22px; margin-bottom: 38px;
}
.doc-toc h2 {
  font-family: var(--mono); font-size: .595rem; font-weight: 500;
  letter-spacing: .2em; text-transform: uppercase; color: var(--signal-text);
  border: 0; margin: 0 0 16px; padding: 0;
}
.doc-toc ol {
  list-style: none; counter-reset: toc; padding: 0; margin: 0;
  columns: 2; column-gap: 38px;
}
.doc-toc li {
  counter-increment: toc; margin-bottom: 10px; break-inside: avoid;
  font-size: .92rem; color: var(--ink);
}
.doc-toc li::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--mono); font-size: .615rem; color: var(--signal-text);
  margin-right: 11px;
}
.doc-toc a { text-decoration: none; border-bottom: 1px solid transparent; }
.doc-toc a:hover { border-bottom-color: var(--ink); }
@media (max-width: 640px) { .doc-toc ol { columns: 1; } }

/* ---- callout: sand panel, gold rule ---------------------------------- */
.doc-body .callout {
  background: var(--shoal);
  border-left: 2px solid var(--signal);
  padding: 20px 24px;
  margin: 30px 0;
  font-size: .95rem;
}
.doc-body .callout p { color: var(--ink-2); }
.doc-body .callout p:last-child { margin-bottom: 0; }
.doc-body .callout strong { color: var(--ink); }

/* ---- tables: navy header band, sand rules ---------------------------- */
.table-scroll { overflow-x: auto; margin: 26px 0; }
.doc-body table {
  border-collapse: collapse; width: 100%; font-size: .87rem;
  font-variant-numeric: tabular-nums;
}
.doc-body table caption { text-align: left; }
.doc-body thead th {
  background: var(--deep); color: var(--on-deep);
  font-family: var(--mono); font-size: .6rem; font-weight: 500;
  letter-spacing: .15em; text-transform: uppercase;
  text-align: left; padding: 12px 14px;
}
.doc-body tbody td, .doc-body tbody th {
  padding: 12px 14px; border-bottom: 1px solid var(--line-soft);
  vertical-align: top; color: var(--ink-2);
}
.doc-body tbody tr:last-child td, .doc-body tbody tr:last-child th {
  border-bottom: 1px solid var(--line-ink);
}
.doc-body .criteria-table th[scope="row"] {
  font-family: var(--mono); font-size: .615rem; letter-spacing: .13em;
  text-transform: uppercase; color: var(--muted); font-weight: 500;
  white-space: nowrap; width: 32%;
}
.doc-body .criteria-table td em {
  font-family: var(--mono); font-style: normal; font-size: .62rem;
  letter-spacing: .13em; text-transform: uppercase; color: var(--signal-text);
}

/* ---- statline on doc pages ------------------------------------------- */
.doc-body .statline { margin-top: 30px; }

/* ---- closing rule ---------------------------------------------------- */
.doc-body .divider { border: 0; border-top: 1px solid var(--line-ink); margin: 0; }