@import url("/static-pages.css");

/* Editorial guides: reading atlas. Self-hosted Source Serif 4 (OFL 1.1,
   license: docs/font-licenses/source-serif-4-OFL-1.1.txt). */
@font-face {
  font-family: "Source Serif 4";
  src: url("/fonts/source-serif-4-latin-wght-normal.woff2") format("woff2");
  font-weight: 200 900;
  font-display: swap;
}

:root { --reading-serif: "Source Serif 4", Georgia, "Times New Roman", serif; --ui-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }

::selection { background: var(--ink); color: var(--paper); }

summary:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }

/* Reading surfaces use Source Serif 4 (decks, article passages and lists,
   hub feature/topic and source/end headings). Chrome — brand, nav, meta,
   captions, tables, TOC, figure equivalents, footer — stays system sans via
   explicit font shorthands or by living outside <main>. */
.guide-page main { font-family: var(--reading-serif); }

.guide-page .page-frame { width: min(100% - 96px, 1280px); }
.site-header .guide-nav { display: flex; flex-wrap: wrap; gap: 4px 26px; }
.site-header .guide-nav a { min-height: 44px; display: inline-flex; align-items: center; }
.site-header .guide-nav a[aria-current="page"], .site-header .guide-nav a.section-active { color: var(--ink); text-decoration-color: var(--gold); text-decoration-thickness: 2px; text-underline-offset: 7px; }

.hero { display: grid; grid-template-columns: 1.25fr 1fr; gap: 48px; align-items: center; padding: 72px 0 54px; }
.guide-page h1 { max-width: none; margin: 0 0 28px; font: 600 clamp(2.5rem, 5.1vw, 4.75rem)/1.05 var(--reading-serif); letter-spacing: -0.025em; text-wrap: balance; }
.dek { margin: 0 0 26px; font-size: 1.375rem; line-height: 1.5; }
.meta { border-top: 1px solid var(--line); padding-top: 18px; }
.meta, .note, figcaption { font: 0.9375rem/1.55 var(--ui-sans); color: var(--ink-soft); }

.reader { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 72px; align-items: start; }
.reader article { grid-column: 1; grid-row: 1; min-width: 0; max-width: 70ch; }
.toc { grid-column: 2; grid-row: 1; position: sticky; top: 20px; padding-top: 20px; border-top: 1px solid var(--line); font: 1rem/1.6 var(--ui-sans); }
.toc summary { min-height: 44px; font-weight: bold; cursor: pointer; }
.toc a { display: block; margin: 12px 0; }

article h2 { margin: 52px 0 18px; font: 600 2rem/1.2 var(--reading-serif); letter-spacing: -0.01em; scroll-margin-top: 22px; }
article p { margin: 0 0 24px; font-size: 1.125rem; line-height: 1.7; }
article ul:not(.figure-equivalent) { padding-left: 1.4em; }
article li { margin: 12px 0; font-size: 1.125rem; line-height: 1.65; }
article figure { margin: 44px 0; }
figure { margin: 0 0 30px; }
figure img { display: block; max-width: 100%; height: auto; }
figcaption { margin-top: 10px; }

.figure-equivalent { display: none; }

article table { width: 100%; margin: 30px 0; border-collapse: collapse; font: 1rem/1.55 var(--ui-sans); }
article th, article td { padding: 18px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
article th { background: var(--paper-deep); }

.hero-art { margin: 0; }
.hero-art picture, .editorial-art { display: block; }
.hero-art img, .editorial-art img { display: block; width: 100%; height: auto; }

.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; padding: 40px 0 60px; border-bottom: 1px solid var(--line); }
.feature h2 { margin-top: 12px; font-size: 2.75rem; }
.guide-row { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1fr); gap: 56px; align-items: center; padding: 46px 0; border-bottom: 1px solid var(--line); }
.guide-row:nth-of-type(even) .editorial-art { grid-column: 2; grid-row: 1; }
.guide-row:nth-of-type(even) > div { grid-column: 1; grid-row: 1; }
.guide-row .editorial-art { width: 100%; max-width: none; }
.guide-row h2 { margin: 0 0 10px; font-size: 2.375rem; }
.guide-row p { margin-bottom: 12px; font-size: 1.25rem; max-width: 40ch; }
.source-desk { max-width: 76ch; margin: 70px 0; }
.source-desk ul { display: grid; gap: 0; margin: 9px 0 0; padding: 0; list-style: none; }
.source-desk li { display: grid; gap: 4px; padding: 15px 0; border-top: 1px solid var(--line); }
.source-desk li a { width: fit-content; color: var(--route-dark); font-weight: 650; }
.source-desk li span { color: var(--ink-soft); font-size: 0.96rem; }
.end { max-width: 70ch; margin: 70px 0; }

.guide-footer { margin-top: 80px; padding: 30px 0 42px; }
.guide-footer nav { display: flex; flex-wrap: wrap; gap: 24px; margin-bottom: 10px; }
.guide-footer p { max-width: none; margin: 0 0 6px; font: 0.9375rem/1.6 var(--ui-sans); color: var(--ink-soft); }

@media (max-width: 760px) {
  .guide-page .page-frame { width: calc(100% - 40px); }
  .site-header { align-items: flex-start; flex-direction: column; gap: 4px; padding: 14px 0; }
  .site-header .guide-nav { gap: 4px 20px; }
  .hero { grid-template-columns: 1fr; gap: 20px; padding: 36px 0 28px; }
  .hero figure { max-width: 580px; }
  figure > img { display: none; }
  .figure-equivalent { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 0; padding: 0; list-style: none; }
  .figure-equivalent li { min-height: 72px; margin: 0; padding: 14px; border: 1px solid var(--line); background: var(--paper); font: 1rem/1.45 var(--ui-sans); }
  .figure-equivalent li:last-child { color: var(--route-dark); }
  .hero .figure-equivalent { margin-top: 8px; }
  .guide-page h1 { font-size: 2.75rem; }
  article h2, .guide-row h2 { font-size: 1.8125rem; }
  .dek { font-size: 1.25rem; }
  .reader { display: flex; flex-direction: column; gap: 20px; }
  .reader article { order: 2; width: 100%; }
  .toc { order: 1; position: static; width: 100%; padding-top: 10px; }
  .feature { grid-template-columns: 1fr; gap: 10px; padding: 20px 0 36px; }
  .feature h2 { font-size: 2.25rem; }
  .guide-row { grid-template-columns: 1fr; gap: 24px; padding: 32px 0; }
  .guide-row:nth-of-type(even) .editorial-art, .guide-row:nth-of-type(even) > div { grid-column: auto; grid-row: auto; }
  .guide-row h2 { font-size: 1.875rem; }
  .guide-row p { font-size: 1.125rem; }
  article th, article td { padding: 12px 8px; font-size: 0.9375rem; }
  article figure { margin: 32px 0; }
}

@media (max-width: 360px) {
  .guide-page .page-frame { width: calc(100% - 32px); }
  .figure-equivalent { grid-template-columns: 1fr; }
  .guide-page h1 { font-size: 2.375rem; }
  article table, article tbody, article tr, article th, article td { display: block; }
  article thead { display: none; }
  article td { padding: 8px 0; }
  article td:first-child { border: 0; font-weight: bold; }
  article tr { padding: 10px 0; border-bottom: 1px solid var(--line); }
  article td:last-child { border: 0; }
}

@media print {
  .site-header .guide-nav, .toc, .skip-link { display: none; }
  .reader { display: block; }
  .hero { padding-top: 0; }
}