:root {
  --ink: #0E0E0B; --cream: #F6F0E7; --band: #EFE8DB;
  --line-cream: #E3DCCE; --line-ink: #262620;
  /* --muted darkened from #77726A: it is used only at 10-12px, where it needs 4.5:1 and reached
     4.2:1 on cream and 3.9:1 on the band (the rail numbers, the Next numbers, the ledger meta).
     At #625E57 it is 5.7:1 and 5.3:1, and visually near-identical. */
  --muted: #625E57; --muted-dark: #9B968C; --body: #3E3A32; --mist: #8FA0AF;
  --red: #E4362B; --accent: #C9A227;
  --serif: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --sans: 'Instrument Sans', system-ui, -apple-system, Helvetica, Arial, sans-serif;
  --mono: 'Cascadia Mono', Consolas, 'SF Mono', Menlo, monospace;
  --max: 1180px; --bar: 68px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--cream); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.7;
       cursor: url('data:image/png;base64,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') 9 4, auto; font-synthesis: none; -webkit-font-smoothing: antialiased; }
.on-ink { background: var(--ink); color: var(--cream); cursor: url('data:image/png;base64,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') 9 4, auto; }
a, button { cursor: url('data:image/png;base64,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') 9 4, pointer; }
a { color: inherit; }
.container { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }

/* the persistent adaptive frost bar (v9 / D-28): ink-frost over the title block, cream-frost over the read, ink again at the end */
.bar { position: fixed; top: 0; left: 0; right: 0; z-index: 30; height: var(--bar); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
       background: color-mix(in srgb, var(--ink) 78%, transparent); border-bottom: 1px solid var(--line-ink); transition: background-color .35s ease, border-color .35s ease, color .35s ease; color: var(--cream); }
.bar.cream { background: color-mix(in srgb, var(--cream) 88%, transparent); border-bottom-color: var(--line-cream); color: var(--ink); }
.bar .inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: baseline; gap: 3px; text-decoration: none; font-family: var(--serif); font-size: 1.35rem; letter-spacing: .04em; color: inherit; }
.brand .blot { width: 18px; height: auto; transform: translateY(3px); color: inherit; }
.bar nav { display: flex; gap: 6px; }
.bar nav a { font-family: var(--mono); font-size: 10.5px; letter-spacing: .2em; text-transform: uppercase; text-decoration: none; padding: 8px 10px; color: var(--muted-dark); border-bottom: 1px solid transparent; }
.bar.cream nav a { color: var(--muted); }
.bar nav a:hover { color: inherit; border-bottom-color: var(--red); }
.bar nav a.here { color: inherit; border-bottom-color: currentColor; }

/* the title block, on ink: the sheet's title block */
.title { padding: calc(var(--bar) + 88px) 0 72px; }
.kicker { display: flex; align-items: center; gap: 12px; font-family: var(--mono); font-size: 11px; letter-spacing: .24em; text-transform: uppercase; color: var(--mist); margin: 0 0 30px; }
.kicker .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.kicker .n { color: var(--cream); }
h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(3rem, 8.2vw, 6.8rem); line-height: .96; letter-spacing: -.012em; margin: 0; max-width: 14ch; color: var(--cream); }
.lede { max-width: 62ch; margin: 34px 0 0; font-size: clamp(1.1rem, 1.7vw, 1.3rem); line-height: 1.6; color: var(--muted-dark); }
.lede strong { color: var(--cream); font-weight: 500; }
/* the portrait (About): a real photograph, not synthetic; held to the two grounds by greyscale so it does not
   introduce colour into an ink/cream system; 4:5, hairline frame, aligned to the sheet's right column */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 56px; align-items: end; }
.portrait { margin: 0; }
.portrait img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; display: block; filter: grayscale(1) contrast(1.04); border: 1px solid var(--line-ink); }
.portrait figcaption { margin-top: 10px; font-family: var(--mono); font-size: 10px; letter-spacing: .22em; text-transform: uppercase; color: var(--mist); }
.sheet { margin-top: 64px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 28px; }
.sheet > div { border-top: 1px solid var(--line-ink); padding: 16px 0 0; }
.sheet dt, .pair dt { font-family: var(--mono); font-size: 10px; letter-spacing: .22em; text-transform: uppercase; color: var(--mist); margin: 0 0 8px; }
.sheet dd, .pair dd { margin: 0; font-size: .98rem; line-height: 1.5; color: var(--cream); }
.pair { margin-top: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
.pair > div { border-top: 1px solid var(--line-ink); padding: 16px 0 0; }
.pair dd { color: var(--muted-dark); font-size: 1.02rem; }
.pair dd strong { color: var(--cream); font-weight: 500; }
.pair.standing { grid-template-columns: 1fr; margin-top: 34px; }
.pair.standing dd { font-family: var(--serif); font-size: 1.18rem; line-height: 1.45; color: var(--muted-dark); max-width: 66ch; }

/* the read, on cream: the world's keynote list becomes the page's section rail */
.read { padding: 72px 0 96px; }
.read .cols { display: grid; grid-template-columns: 232px minmax(0, 1fr); gap: 72px; align-items: start; }
.rail { position: sticky; top: calc(var(--bar) + 28px); }
.rail .h { font-family: var(--mono); font-size: 10px; letter-spacing: .24em; text-transform: uppercase; color: var(--muted); margin: 0 0 10px; }
.rail a { display: flex; align-items: center; gap: 12px; text-decoration: none; padding: 8px 0; font-family: var(--sans); font-size: 13px; color: var(--body); border-top: 1px solid var(--line-cream); line-height: 1.25; }
.rail a:last-child { border-bottom: 1px solid var(--line-cream); }
.rail a .n { font-family: var(--mono); font-size: 10px; color: var(--muted); width: 18px; flex: none; }
.rail a .d { width: 7px; height: 7px; border-radius: 50%; flex: none; background: transparent; transition: background .25s, box-shadow .25s; }
.rail a.on .d, .rail a:hover .d { background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.rail a.on { color: var(--ink); font-weight: 500; border-top-color: var(--ink); }   /* the active row takes a rule as well as the dot, so it does not rely on colour alone */
.prose { max-width: 68ch; }
.prose h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.9rem, 3.4vw, 2.7rem); line-height: 1.1; letter-spacing: -.01em; margin: 3.2rem 0 1rem; color: var(--ink); scroll-margin-top: calc(var(--bar) + 24px); }
.prose h2:first-child { margin-top: .4rem; }
.prose p, .prose li { color: var(--body); margin: 0 0 1.1rem; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose ul { padding-left: 1.2rem; }
.prose li { padding-left: .2rem; margin-bottom: .6rem; }
.prose li::marker { color: var(--accent); }

/* the claims ledger, on the muted band (D-28): each number carries its evidence and the commit it was checked at */
.claims { background: var(--band); padding: 72px 0; }
.claims .h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.7rem, 3vw, 2.3rem); margin: 0 0 8px; }
.claims .why { max-width: 68ch; margin: 0 0 32px; color: var(--body); }
.claim { border-top: 1px solid var(--line-cream); padding: 18px 0; display: grid; grid-template-columns: 34px minmax(0, 1fr) 300px; gap: 24px; }
.claim .cid { font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; color: var(--accent); padding-top: 4px; }
.claim:target { background: rgba(14, 14, 11, .045); box-shadow: 0 0 0 12px rgba(14, 14, 11, .045); }
/* D4 · a figure in the prose carries its receipt: a small marker that jumps to the ledger entry */
.cref { font-family: var(--mono); font-size: 9.5px; letter-spacing: .06em; vertical-align: super; margin-left: 2px; color: var(--accent); text-decoration: none; border-bottom: 1px solid transparent; }
.cref:hover { border-bottom-color: var(--accent); }
/* D3 · one figure per page: the dimension line from a drawing sheet, on ink, the project accent on the gate */
.fig { margin: 1.2rem 0 2rem; background: var(--ink); border: 1px solid var(--line-ink); padding: 22px 26px 18px; }
.fig svg { display: block; width: 100%; height: auto; }
.fig figcaption { margin-top: 12px; font-size: .9rem; line-height: 1.55; color: var(--muted-dark); max-width: 70ch; }
.claim:last-child { border-bottom: 1px solid var(--line-cream); }
.claim p { margin: 0; color: var(--ink); }
.claim .meta { font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; color: var(--muted); line-height: 1.8; word-break: break-word; }
.claim .meta b { color: var(--ink); font-weight: 600; }
.claim .meta .st::before { content: '●'; color: var(--accent); margin-right: 8px; font-size: 8px; vertical-align: 1px; }

/* next */
.next { padding: 72px 0 88px; }
.next .h { font-family: var(--mono); font-size: 10px; letter-spacing: .24em; text-transform: uppercase; color: var(--muted); margin: 0 0 14px; }
.next a { display: inline-flex; align-items: baseline; gap: 16px; text-decoration: none; font-family: var(--serif); font-size: clamp(1.8rem, 4vw, 3.2rem); line-height: 1.1; color: var(--ink); }
.next a .n { font-family: var(--mono); font-size: 12px; letter-spacing: .2em; color: var(--muted); }
.next a .nm { border-bottom: 1px solid transparent; padding-bottom: 4px; }
.next a:hover .nm { border-bottom-color: var(--next-accent, var(--ink)); }

/* the hardstop (D-28): the page ends the way the site begins — on ink, fading into hard existence on arrival */
footer { padding: 64px 0 36px; background: var(--ink); color: var(--cream); }
@supports (animation-timeline: view()) {
  footer { animation: ink-arrive linear both; animation-timeline: view(); animation-range: entry 0% entry 90%; }
  footer > .container { animation: ink-content linear both; animation-timeline: view(); animation-range: entry 20% entry 100%; }
  @keyframes ink-arrive { from { background-color: var(--cream); } to { background-color: var(--ink); } }
  @keyframes ink-content { from { opacity: 0; } to { opacity: 1; } }
}
footer .grid { display: grid; grid-template-columns: 1.5fr 1fr .6fr; gap: 30px; }
footer .blot { width: 30px; height: auto; color: var(--cream); margin-bottom: 14px; display: block; }
footer strong { font-family: var(--serif); font-weight: 400; font-size: 1.2rem; letter-spacing: .02em; }
footer p, footer span { color: var(--muted-dark); font-size: .95rem; }
footer p { max-width: 520px; margin: 6px 0 0; }
footer a { color: var(--cream); text-decoration: none; border-bottom: 1px solid var(--red); padding-bottom: 1px; }
footer .colophon { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--line-ink); }
footer .colophon span { font-size: .8rem; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 34px; align-items: start; } .portrait { max-width: 260px; }
  .sheet { grid-template-columns: 1fr 1fr; gap: 20px 24px; }
  .pair { grid-template-columns: 1fr; gap: 20px; }
  .read .cols { grid-template-columns: 1fr; gap: 40px; }
  .rail { position: static; }
  .claim { grid-template-columns: 34px minmax(0, 1fr); gap: 8px 16px; } .claim .meta { grid-column: 2; }
  footer .grid { grid-template-columns: 1fr; }
  .bar nav a { padding: 8px 6px; }
}
@media (max-width: 560px) { .container { width: min(calc(100% - 28px), var(--max)); } .sheet { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }