/* recursioninstitute.org relaunch — shared styles.
   Holding-page restraint: serif display, generous whitespace, quiet palette.
   Consistent with the Guardian app's calm aesthetic. Respects light/dark.
   — C1n, 2026-06-12. */

:root {
  --bg: #f4f1ea; --panel: #fbfaf6; --ink: #20262e; --ink-soft: #4a535e;
  --line: #ddd6c8; --accent: #2f4858; --accent-soft: #e7eced; --accent-ink: #1d2733;
  --crisis-bg: #f7ece8; --crisis-ink: #6e2a1e; --crisis-line: #e3c4ba;
  --flag: #8a4b2a;
  --shadow: 0 1px 3px rgba(30,30,30,.06), 0 6px 24px rgba(30,30,30,.05);
  --serif: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --maxw: 760px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161b21; --panel: #1d242c; --ink: #e7e3d8; --ink-soft: #a9b1ba;
    --line: #2c353f; --accent: #8fb3c4; --accent-soft: #233038; --accent-ink: #cfe0ea;
    --crisis-bg: #2a1f1c; --crisis-ink: #f0c6b8; --crisis-line: #4a322b; --flag: #d39b76;
    --shadow: 0 1px 3px rgba(0,0,0,.3), 0 6px 24px rgba(0,0,0,.25);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans);
  font-size: 17px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--accent-ink); }

/* header / nav */
.topbar { border-bottom: 1px solid var(--line); background: var(--panel); }
.topbar .inner { max-width: var(--maxw); margin: 0 auto; padding: 16px 22px;
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.brand { font-family: var(--serif); font-weight: 600; font-size: 18px; letter-spacing: .01em;
  color: var(--ink); text-decoration: none; white-space: nowrap; }
.brand small { display: block; font-family: var(--sans); font-weight: 400; font-size: 11px;
  letter-spacing: .16em; color: var(--ink-soft); margin-top: 2px; }
nav.main { display: flex; flex-wrap: wrap; gap: 4px 2px; }
nav.main a { font-size: 14px; font-weight: 600; color: var(--ink-soft); text-decoration: none;
  padding: 6px 10px; border-radius: 8px; }
nav.main a:hover { color: var(--ink); background: var(--accent-soft); }
nav.main a.active { color: var(--accent-ink); background: var(--accent-soft); }

/* hero (landing) */
.hero { max-width: var(--maxw); margin: 0 auto; padding: 54px 22px 26px; }
.hero .kicker { letter-spacing: .16em; font-size: 12px; font-weight: 600; color: var(--ink-soft); }
.hero h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(28px, 5.4vw, 40px);
  line-height: 1.18; letter-spacing: -.01em; margin: 14px 0 18px; }
.hero p.stand { font-size: 19px; color: var(--ink); }

/* page body */
main { max-width: var(--maxw); margin: 0 auto; padding: 30px 22px 10px; }
.pagehead { margin-bottom: 8px; }
.pagehead .kicker { letter-spacing: .16em; font-size: 12px; font-weight: 600; color: var(--ink-soft); }
h1.page { font-family: var(--serif); font-weight: 600; font-size: clamp(26px, 5vw, 36px); margin: 8px 0 18px; }
h2 { font-family: var(--serif); font-weight: 600; font-size: 23px; margin: 34px 0 12px; }
h3 { font-size: 18px; margin: 24px 0 8px; }
p, li { font-size: 17px; }
.lede { font-size: 19px; color: var(--ink); border-left: 3px solid var(--accent);
  padding-left: 16px; margin: 4px 0 26px; }
strong { color: var(--ink); }
em { color: var(--ink); }
hr { border: 0; border-top: 1px solid var(--line); margin: 34px 0; }

/* cards / lists */
.cards { display: grid; gap: 12px; margin: 18px 0; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 18px; box-shadow: var(--shadow); }
.card h3 { margin-top: 0; }
.card .arrow { color: var(--accent); font-weight: 600; text-decoration: none; font-size: 15px; }
ol.numbered { padding-left: 0; list-style: none; counter-reset: n; }
ol.numbered > li { counter-increment: n; position: relative; background: var(--panel);
  border: 1px solid var(--line); border-radius: 12px; padding: 15px 18px 15px 54px;
  margin: 10px 0; box-shadow: var(--shadow); }
ol.numbered > li::before { content: counter(n); position: absolute; left: 15px; top: 15px;
  width: 26px; height: 26px; border-radius: 50%; background: var(--accent-soft);
  color: var(--accent-ink); font-weight: 700; font-size: 14px; display: grid; place-items: center; }
ul.markers { padding-left: 0; list-style: none; }
ul.markers > li { background: var(--panel); border: 1px solid var(--line); border-radius: 11px;
  padding: 13px 16px; margin: 9px 0; }
ul.markers .mname { font-weight: 700; }
.callout { background: var(--accent-soft); border-radius: 12px; padding: 16px 18px; margin: 22px 0; }
.prompt { background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 13px; font-size: 15.5px; margin: 8px 0; }
.note { color: var(--ink-soft); font-size: 14.5px; }
.tier { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .04em;
  padding: 2px 8px; border-radius: 20px; background: var(--accent-soft); color: var(--accent-ink); }

/* crisis block (resources pages) */
.crisis { background: var(--crisis-bg); border: 1px solid var(--crisis-line); color: var(--crisis-ink);
  border-radius: 12px; padding: 14px 18px; margin: 20px 0; }
.crisis a { color: var(--crisis-ink); font-weight: 600; }

/* footer — guidance before contact, every page */
footer.sitefoot { border-top: 1px solid var(--line); margin-top: 44px; background: var(--panel); }
footer.sitefoot .inner { max-width: var(--maxw); margin: 0 auto; padding: 26px 22px 34px; }
footer .guidance { font-size: 14.5px; color: var(--ink-soft); margin-bottom: 14px; }
footer .contact { font-size: 14.5px; }
footer .est { font-family: var(--serif); color: var(--ink-soft); font-size: 13px; margin-top: 14px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 8px; top: 8px; background: var(--panel); padding: 8px 12px; border-radius: 8px; z-index: 10; }

/* full-paper pages (white-papers lane) — paper meta block, table of contents, long-form quotes */
.byline { font-size: 16px; color: var(--ink-soft); margin: -8px 0 16px; }
.paper-meta { background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 18px; margin: 18px 0 24px; box-shadow: var(--shadow); }
.paper-meta p { font-size: 14.5px; color: var(--ink-soft); margin: 5px 0; }
nav.toc { background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 18px; margin: 22px 0 30px; }
nav.toc h2 { font-family: var(--sans); font-size: 13px; font-weight: 600; letter-spacing: .14em;
  color: var(--ink-soft); margin: 0 0 10px; }
nav.toc ul { list-style: none; margin: 0; padding: 0; }
nav.toc li { font-size: 15px; margin: 4px 0; }
nav.toc a { text-decoration: none; }
nav.toc a:hover { text-decoration: underline; }
.paper h2 { margin-top: 40px; }
.paper h2[id], .paper h3[id] { scroll-margin-top: 18px; }
.paper blockquote { border-left: 3px solid var(--line); margin: 18px 0; padding: 2px 2px 2px 16px;
  color: var(--ink-soft); }
.paper blockquote p { font-size: 16px; margin: 8px 0; }
.refs p { font-size: 15px; color: var(--ink-soft); margin: 9px 0; padding-left: 20px; text-indent: -20px; }

/* news & intel timeline (intel.html) — filters + status markers */
.intel-filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 16px 0 4px; }
.intel-filters .flabel { font-size: 11px; font-weight: 700; letter-spacing: .12em; color: var(--ink-soft); margin-right: 2px; }
.fbtn { font: inherit; font-size: 13.5px; font-weight: 600; color: var(--ink-soft); background: var(--panel);
  border: 1px solid var(--line); border-radius: 20px; padding: 4px 12px; cursor: pointer; }
.fbtn:hover { color: var(--ink); background: var(--accent-soft); }
.fbtn.on { color: var(--accent-ink); background: var(--accent-soft); border-color: var(--accent); }
.intel-count { font-size: 13.5px; color: var(--ink-soft); margin: 8px 0 14px; }
.intel-entry .when { font-size: 13px; font-weight: 700; letter-spacing: .06em; color: var(--ink-soft); margin: 0 0 2px; }
.intel-entry h3 { margin: 4px 0 6px; }
.intel-entry .src { font-size: 14px; color: var(--ink-soft); margin: 8px 0 0; }
.intel-entry .fence { font-size: 14px; color: var(--ink-soft); border-top: 1px dashed var(--line);
  margin: 10px 0 0; padding-top: 8px; }
.intel-entry .fence strong { font-size: 12px; letter-spacing: .06em; color: var(--ink-soft); }
.st { display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: .05em;
  padding: 1px 9px; border-radius: 20px; margin-left: 8px; vertical-align: 1px; }
.st-verified { background: var(--accent-soft); color: var(--accent-ink); border: 1px solid var(--accent); }
.st-reported { background: transparent; color: var(--ink-soft); border: 1px solid var(--line); }
.st-historical { background: var(--bg); color: var(--ink-soft); border: 1px solid var(--line); }