:root {
  color-scheme: light;
  --paper: #f8f4ec;
  --paper-light: #fffdf7;
  --paper-deep: #eee6d8;
  --ink: #282421;
  --ink-soft: #48413b;
  --muted: #736a60;
  --line: #d9d0c3;
  --line-dark: #b9aa97;
  --oxide: #984a38;
  --oxide-deep: #482d29;
  --ochre: #ad8354;
  --sage: #697060;
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "DM Sans", Arial, sans-serif;
  --mono: "DM Mono", monospace;
  --page-width: 1320px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: .22;
  background: radial-gradient(ellipse at 11% 3%, rgba(173,131,84,.08), transparent 38%),
              radial-gradient(ellipse at 95% 22%, rgba(152,74,56,.05), transparent 34%);
}
a { color: inherit; }
button, input { font: inherit; }
button { color: inherit; }
img, svg { display: block; max-width: 100%; }
::selection { background: rgba(152,74,56,.18); color: var(--ink); }
:focus-visible { outline: 2px solid var(--oxide); outline-offset: 4px; }
[hidden] { display: none !important; }

.site-shell { min-height: 100vh; overflow: clip; }
.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(185,170,151,.62);
  background: rgba(248,244,236,.94);
  backdrop-filter: blur(12px);
}
.header-inner {
  width: min(var(--page-width), 100%);
  min-height: 70px;
  margin: 0 auto;
  padding: 10px 38px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}
.wordmark {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1;
}
.wordmark-mark {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  object-fit: contain;
}
.wordmark-note {
  margin-left: 5px;
  padding-left: 12px;
  border-left: 1px solid var(--line-dark);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.4vw, 32px);
}
.primary-nav a, .header-link {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .07em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color .18s ease;
}
.primary-nav a span, .header-link span { color: var(--oxide); }
.primary-nav a:hover, .header-link:hover, .primary-nav a[aria-current="page"] { color: var(--oxide); }
.header-link { justify-self: end; border-bottom: 1px solid var(--line-dark); padding-bottom: 3px; }

main { width: min(var(--page-width), 100%); margin: 0 auto; }
.hero {
  min-height: 568px;
  padding: 72px 7.3% 58px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
  align-items: center;
  gap: 40px;
}
.hero-copy { position: relative; z-index: 1; }
.eyebrow {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .12em;
  line-height: 1.5;
  text-transform: uppercase;
}
.eyebrow-line { width: 22px; height: 1px; flex: 0 0 22px; background: var(--ochre); }
.hero h1, .about-intro h1, .ledger-intro h1, .not-found h1 {
  margin: 23px 0 17px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(58px, 7.5vw, 96px);
  font-weight: 400;
  letter-spacing: -.035em;
  line-height: .89;
}
h1 em, h2 em { color: var(--oxide); font-weight: 400; }
.hero-intro {
  max-width: 46ch;
  margin: 0;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.75;
}
.hero-actions { margin-top: 28px; display: flex; align-items: center; flex-wrap: wrap; gap: 22px; }
.action-primary, .action-secondary, .text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .06em;
  line-height: 1.5;
  text-decoration: none;
  text-transform: uppercase;
}
.action-primary {
  min-height: 46px;
  padding: 0 17px;
  background: var(--oxide-deep);
  color: var(--paper-light);
  transition: background .18s ease, transform .18s ease;
}
.action-primary span { color: #d9aa80; }
.action-primary:hover { background: var(--oxide); transform: translateY(-2px); }
.action-secondary, .text-link { border-bottom: 1px solid var(--line-dark); padding: 6px 0; }
.action-secondary span, .text-link span { color: var(--oxide); transition: transform .18s ease; }
.action-secondary:hover, .text-link:hover { color: var(--oxide); border-color: var(--oxide); }
.hero-stats {
  width: fit-content;
  margin: 39px 0 0;
  padding: 13px 0 0;
  display: flex;
  gap: 27px;
  border-top: 1px solid var(--line);
}
.hero-stats div { min-width: 70px; }
.hero-stats dt, .ledger-stats dt {
  margin: 0 0 2px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: .12em;
}
.hero-stats dd, .ledger-stats dd {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.15;
}
.hero-stats dd time { font-family: var(--sans); font-size: 12px; }
.hero-figure {
  position: relative;
  min-height: 410px;
  margin: 0;
  display: grid;
  align-items: center;
}
.hero-figure::before {
  position: absolute;
  z-index: -1;
  top: 10%;
  right: 6%;
  width: 78%;
  aspect-ratio: 1;
  border: 1px solid rgba(173,131,84,.25);
  border-radius: 50%;
  content: "";
}
.proof-drawing { width: 100%; max-height: 410px; overflow: visible; }
.drawing-circle { fill: rgba(255,253,247,.18); stroke: var(--line-dark); stroke-width: 1; }
.drawing-line { fill: none; stroke: var(--oxide); stroke-width: 1.15; }
.drawing-line-soft { stroke: var(--line-dark); stroke-width: .75; stroke-dasharray: 3 7; }
.drawing-arc { fill: none; stroke: var(--ochre); stroke-width: 2; }
.drawing-point { fill: var(--paper-light); stroke: var(--oxide); stroke-width: 1.5; }
.drawing-center { fill: var(--oxide); }
.drawing-label, .drawing-symbol { fill: var(--ink-soft); font-family: var(--serif); font-size: 16px; font-style: italic; }
.drawing-symbol { fill: var(--oxide); font-size: 21px; }
.hero-figure figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.home-section { padding: 58px 6.8% 30px; }
.section-heading {
  margin-bottom: 21px;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
}
.section-heading h2, .about-page h2, .ledger-page h2 {
  margin: 10px 0 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(34px, 4vw, 48px);
  font-weight: 400;
  letter-spacing: -.025em;
  line-height: .98;
}
.section-note { margin: 0; color: var(--muted); font-size: 13px; }
.folio-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 20px; align-items: stretch; }
#featuredGrid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.folio {
  position: relative;
  min-width: 0;
  min-height: 350px;
  isolation: isolate;
  color: var(--ink);
  text-decoration: none;
  transition: transform .24s ease, filter .24s ease;
}
.folio:hover { z-index: 2; transform: translateY(-4px) rotate(0deg); filter: drop-shadow(0 13px 15px rgba(57,40,28,.12)); }
.folio:nth-child(3n+1) { transform: rotate(-.32deg); }
.folio:nth-child(3n+2) { transform: rotate(.3deg); }
.folio:nth-child(3n) { transform: rotate(-.12deg); }
.folio:hover, .folio:nth-child(3n+1):hover, .folio:nth-child(3n+2):hover, .folio:nth-child(3n):hover {
  z-index: 2;
  transform: translateY(-4px) rotate(0deg);
  filter: drop-shadow(0 13px 15px rgba(57,40,28,.12));
}
.folio-outline { position: absolute; z-index: -1; inset: 0; width: 100%; height: 100%; filter: drop-shadow(0 4px 8px rgba(57,40,28,.045)); }
.folio-outline path { fill: var(--paper-light); stroke: var(--line); stroke-width: 1.1; vector-effect: non-scaling-stroke; }
.folio:nth-child(3n+2) .folio-outline path { fill: #fcf8f0; }
.folio-content { min-height: 350px; padding: 24px 25px 22px; display: flex; flex-direction: column; }
.folio-heading-line {
  min-height: 25px;
  padding-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.folio-number { color: var(--oxide); font-size: 10px; }
.folio-field { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.folio-index-mark { margin-left: auto; color: var(--ochre); font-family: var(--serif); font-size: 16px; }
.folio h3 {
  margin: 19px 0 12px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(24px, 2.3vw, 30px);
  font-weight: 400;
  letter-spacing: -.018em;
  line-height: .98;
}
.folio-theorem {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--ochre);
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 16px;
  font-style: italic;
  line-height: 1.42;
}
.folio-lead { margin: 12px 0 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.folio-footer {
  margin-top: auto;
  padding-top: 13px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: end;
  gap: 9px;
  border-top: 1px solid var(--line);
}
.folio-attribution { color: var(--muted); font-family: var(--mono); font-size: 8px; letter-spacing: .04em; text-transform: uppercase; }
.folio-open { color: var(--oxide); font-family: var(--mono); font-size: 9px; letter-spacing: .06em; text-transform: uppercase; }
.folio-open span { display: inline-block; margin-left: 3px; transition: transform .18s ease; }
.folio:hover .folio-open span { transform: translateX(4px); }

.domain-section { padding-top: 64px; padding-bottom: 75px; }
.chapter-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); column-gap: 34px; }
.chapter-row {
  min-width: 0;
  padding: 13px 1px 12px;
  display: grid;
  grid-template-columns: 28px 1fr auto 18px;
  align-items: center;
  gap: 9px;
  border-top: 1px solid var(--line);
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease;
}
.chapter-row:hover { color: var(--oxide); border-color: var(--oxide); }
.chapter-index, .chapter-count { color: var(--muted); font-family: var(--mono); font-size: 8px; letter-spacing: .04em; }
.chapter-index { color: var(--oxide); }
.chapter-name { min-width: 0; overflow: hidden; font-family: var(--serif); font-size: 18px; line-height: 1.2; text-overflow: ellipsis; white-space: nowrap; }
.chapter-arrow { color: var(--ochre); text-align: right; }
.edition-note {
  position: relative;
  margin: 10px 6.8% 78px;
  padding: 34px 42px;
  display: grid;
  grid-template-columns: 52px 1fr 1.15fr auto;
  align-items: center;
  gap: 24px;
  overflow: hidden;
  background: var(--oxide-deep);
  color: var(--paper-light);
  clip-path: polygon(0 0, calc(100% - 27px) 0, 100% 27px, 100% 100%, 0 100%);
}
.edition-note::after {
  position: absolute;
  top: 0;
  right: 27px;
  width: 1px;
  height: 38px;
  background: rgba(255,253,247,.28);
  content: "";
  transform: rotate(-45deg);
  transform-origin: top;
}
.edition-mark { display: grid; place-items: center; }
.edition-mark img { width: 38px; height: 38px; object-fit: contain; }
.edition-copy .eyebrow { color: rgba(255,253,247,.62); font-size: 8px; }
.edition-copy h2 { margin: 12px 0 0; font-family: var(--serif); font-size: 36px; font-weight: 400; line-height: .97; }
.edition-copy h2 em { color: #d9aa80; }
.edition-description { max-width: 38ch; margin: 0; color: rgba(255,253,247,.78); font-size: 13px; line-height: 1.7; }
.edition-link { display: inline-flex; align-items: center; gap: 12px; color: var(--paper-light); font-family: var(--mono); font-size: 9px; letter-spacing: .06em; text-decoration: none; text-transform: uppercase; white-space: nowrap; }
.edition-link span { color: #d9aa80; }

/* Archive */
.archive-layout {
  padding: 58px 6.8% 76px;
  display: grid;
  grid-template-columns: minmax(190px, 230px) minmax(0, 1fr);
  align-items: start;
  gap: clamp(28px, 5vw, 70px);
}
.archive-rail { position: sticky; top: 92px; padding: 8px 22px 10px 0; border-right: 1px solid var(--line); }
.archive-rail h1, .ledger-intro h1 {
  margin: 15px 0 9px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 400;
  letter-spacing: -.03em;
  line-height: 1;
}
.rail-intro { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.rail-group { margin-top: 27px; }
.field-label {
  display: block;
  margin: 0 0 9px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.search-input {
  width: 100%;
  padding: 8px 0 9px;
  border: 0;
  border-bottom: 1px solid var(--line-dark);
  border-radius: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 16px;
}
.search-input::placeholder { color: #91877b; font-style: italic; }
.search-input:focus { border-color: var(--oxide); box-shadow: 0 1px 0 var(--oxide); }
.filter-list, .sort-list { margin: 0; padding: 0; list-style: none; }
.filter-list li { margin: 0; }
.filter-list button, .sort-list button {
  width: 100%;
  min-height: 31px;
  padding: 5px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  border: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.2;
  text-align: left;
  transition: color .16s ease, border-color .16s ease;
}
.filter-list button:hover, .sort-list button:hover, .filter-list button.active, .sort-list button[aria-pressed="true"] { color: var(--oxide); border-color: var(--line-dark); }
.filter-count { color: var(--muted); font-family: var(--mono); font-size: 8px; }
.sort-list button { font-size: 13px; }
.rail-tools { margin-top: 24px; display: grid; justify-items: start; gap: 8px; }
.rail-tools .text-link { font-size: 8px; }
.archive-heading { margin-bottom: 20px; display: flex; justify-content: space-between; align-items: end; gap: 20px; }
.archive-heading h2 { margin: 8px 0 0; font-family: var(--serif); font-size: 44px; font-weight: 400; letter-spacing: -.025em; line-height: .98; }
.result-count { margin: 8px 0 0; color: var(--muted); font-family: var(--mono); font-size: 9px; letter-spacing: .05em; text-transform: uppercase; }
.view-switch { display: flex; gap: 8px; }
.view-switch button {
  min-width: 58px;
  padding: 6px 9px;
  border: 0;
  border-bottom: 1px solid var(--line-dark);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.view-switch button[aria-pressed="true"] { border-color: var(--oxide); color: var(--oxide); }
.archive-results .folio-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 15px; }
.archive-results .folio { min-height: 365px; }
.archive-results .folio-content { min-height: 365px; padding: 22px 21px 20px; }
.archive-results .folio h3 { font-size: clamp(23px, 2vw, 28px); }
.folio-grid.is-list { grid-template-columns: 1fr !important; }
.folio-grid.is-list .folio { min-height: 250px; }
.folio-grid.is-list .folio-content { min-height: 250px; padding: 21px 25px; }
.folio-grid.is-list .folio h3 { margin-top: 13px; }
.folio-grid.is-list .folio-lead { max-width: 75ch; }
.empty-state { margin: 24px 0; padding: 22px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); font-family: var(--serif); font-size: 19px; font-style: italic; }
.archive-footnote { margin: 22px 0 0; padding-top: 11px; border-top: 1px solid var(--line); color: var(--muted); font-family: var(--mono); font-size: 8px; letter-spacing: .05em; text-transform: uppercase; }

/* Individual folio */
.proof-page { padding: 28px 6.8% 76px; }
.breadcrumb { margin: 0 0 20px; display: flex; flex-wrap: wrap; align-items: center; gap: 9px; color: var(--muted); font-family: var(--mono); font-size: 8px; letter-spacing: .06em; text-transform: uppercase; }
.breadcrumb a { text-decoration: none; border-bottom: 1px solid var(--line-dark); }
.breadcrumb a:hover { color: var(--oxide); border-color: var(--oxide); }
.proof-layout { display: grid; grid-template-columns: minmax(0, 1fr) 245px; align-items: start; gap: 34px; }
.proof-main { min-width: 0; padding: 18px 35px 30px 0; border-right: 1px solid var(--line); }
.proof-topline { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.copy-link { padding: 4px 0; border: 0; border-bottom: 1px solid var(--line-dark); background: transparent; color: var(--muted); cursor: pointer; font-family: var(--mono); font-size: 8px; letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; }
.copy-link:hover { color: var(--oxide); border-color: var(--oxide); }
.proof-main h1 {
  max-width: 19ch;
  margin: 22px 0 26px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(44px, 6vw, 68px);
  font-weight: 400;
  letter-spacing: -.035em;
  line-height: .93;
}
.theorem-block { position: relative; margin: 0; padding: 15px 18px 16px 20px; border-left: 2px solid var(--ochre); background: rgba(255,253,247,.56); }
.theorem-block::before { position: absolute; top: -4px; left: -5px; width: 8px; height: 8px; background: var(--ochre); content: ""; transform: rotate(45deg); }
.micro-heading { margin: 0 0 8px; color: var(--muted); font-family: var(--mono); font-size: 8px; font-weight: 400; letter-spacing: .11em; text-transform: uppercase; }
.theorem-text { margin: 0; color: var(--ink); font-family: var(--serif); font-size: 21px; font-style: italic; line-height: 1.45; }
.statement-note { margin: 9px 0 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.proof-lead { max-width: 70ch; margin: 22px 0 29px; color: var(--ink-soft); font-size: 15px; line-height: 1.75; }
.proof-section-heading { margin-bottom: 16px; }
.proof-section-heading h2 { margin: 9px 0 0; color: var(--ink); font-family: var(--serif); font-size: 36px; font-weight: 400; line-height: 1; }
.proof-steps { margin: 0; padding: 0; list-style: none; counter-reset: proof-step; }
.proof-steps li { padding: 12px 0 13px; display: grid; grid-template-columns: 31px 1fr; gap: 11px; border-top: 1px solid var(--line); }
.step-number { padding-top: 2px; color: var(--oxide); font-family: var(--mono); font-size: 9px; letter-spacing: .04em; }
.proof-steps p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.76; }
.proof-end { margin: 7px 0 0; color: var(--oxide); font-family: var(--serif); font-size: 20px; text-align: right; }
.reflection-section { margin-top: 30px; padding-top: 17px; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px 28px; border-top: 1px solid var(--line-dark); }
.reflection-entry h2 { margin: 0 0 7px; color: var(--oxide); font-family: var(--serif); font-size: 20px; font-weight: 400; }
.reflection-entry p { margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.72; }
.reflection-variant { grid-column: 1 / -1; padding-top: 13px; border-top: 1px solid var(--line); }
.examples-section { margin-top: 39px; }
.examples-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.example-entry { position: relative; padding: 13px 4px 7px 0; border-top: 1px solid var(--line-dark); }
.example-entry::before { position: absolute; top: -4px; right: 8px; width: 7px; height: 7px; border: 1px solid var(--ochre); background: var(--paper); content: ""; transform: rotate(45deg); }
.example-number { color: var(--oxide); font-family: var(--mono); font-size: 8px; letter-spacing: .1em; text-transform: uppercase; }
.example-content h3 { margin: 8px 0 11px; color: var(--ink); font-family: var(--serif); font-size: 22px; font-weight: 400; line-height: 1.08; }
.example-problem, .example-solution { margin: 8px 0 0; color: var(--ink-soft); font-size: 12px; line-height: 1.7; }
.example-problem strong, .example-solution strong { margin-right: 7px; color: var(--oxide); font-family: var(--mono); font-size: 8px; font-weight: 500; letter-spacing: .07em; text-transform: uppercase; }
.folio-pagination { margin-top: 40px; padding-top: 13px; display: grid; grid-template-columns: minmax(0,1fr) auto minmax(0,1fr); gap: 14px; border-top: 1px solid var(--line-dark); }
.folio-pagination a { display: flex; align-items: center; gap: 10px; color: var(--ink-soft); font-family: var(--serif); font-size: 15px; line-height: 1.2; text-decoration: none; }
.folio-pagination a:hover { color: var(--oxide); }
.folio-pagination small { display: block; margin-bottom: 4px; color: var(--muted); font-family: var(--mono); font-size: 7px; letter-spacing: .08em; text-transform: uppercase; }
.folio-pagination .pagination-archive { align-self: center; padding: 5px 12px; border-right: 1px solid var(--line); border-left: 1px solid var(--line); color: var(--oxide); font-family: var(--mono); font-size: 8px; letter-spacing: .07em; text-transform: uppercase; }
.folio-pagination .pagination-next { justify-content: end; text-align: right; }
.proof-sidebar { position: sticky; top: 102px; padding: 20px 0 10px 22px; }
.sidebar-section { margin-bottom: 24px; padding-top: 12px; border-top: 1px solid var(--line-dark); }
.origin-list { margin: 0; padding: 0; list-style: none; }
.origin-list li { margin: 5px 0; color: var(--ink-soft); font-family: var(--serif); font-size: 16px; line-height: 1.35; }
.field-link { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); font-family: var(--serif); font-size: 19px; text-decoration: none; }
.field-link span { color: var(--oxide); font-family: var(--mono); font-size: 11px; }
.field-link:hover { color: var(--oxide); }
.sidebar-note { margin-top: 49px; padding-top: 13px; border-top: 1px solid var(--line); }
.sidebar-symbol { color: var(--ochre); font-family: var(--serif); font-size: 24px; }
.sidebar-note p { margin: 7px 0 10px; color: var(--muted); font-size: 11px; line-height: 1.65; }
.sidebar-note a { color: var(--oxide); font-family: var(--mono); font-size: 8px; letter-spacing: .06em; text-decoration: none; text-transform: uppercase; }
.not-found { padding: 65px 0 90px; }
.not-found h1 { font-size: clamp(48px, 7vw, 72px); }
.not-found p:not(.eyebrow) { margin: 0 0 24px; color: var(--muted); }
.loading-note { color: var(--muted); font-family: var(--serif); font-size: 20px; font-style: italic; }
.more-folios { margin-top: 63px; padding-top: 25px; border-top: 1px solid var(--line-dark); }
.more-folios .folio-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
.more-folios .folio { min-height: 320px; }
.more-folios .folio-content { min-height: 320px; padding: 19px 19px 17px; }
.more-folios .folio h3 { font-size: 24px; }

/* About */
.about-page { padding: 64px 8% 82px; }
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.about-intro h1 { margin-top: 20px; font-size: clamp(50px, 6vw, 75px); }
.about-copy { max-width: 62ch; padding: 19px 0 0 24px; border-left: 1px solid var(--line-dark); color: var(--ink-soft); font-family: var(--serif); font-size: 20px; line-height: 1.52; }
.about-copy p { margin: 0 0 17px; }
.about-copy p:last-child { margin-bottom: 0; }
.about-copy strong { color: var(--ink); font-weight: 400; }
.selection-section { margin-top: 76px; }
.criteria-list { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); column-gap: 48px; list-style: none; }
.criteria-list li { position: relative; min-height: 105px; padding: 16px 0 17px 43px; display: grid; grid-template-columns: 130px 1fr; align-content: start; gap: 0 18px; border-top: 1px solid var(--line); }
.criteria-number { position: absolute; top: 18px; left: 0; color: var(--oxide); font-family: var(--mono); font-size: 8px; }
.criteria-list strong { color: var(--ink); font-family: var(--serif); font-size: 21px; font-weight: 400; line-height: 1.2; }
.criteria-list p { margin: 2px 0 0; color: var(--muted); font-size: 11px; line-height: 1.6; }
.contribute-section { position: relative; margin: 54px 0 0; padding: 28px 40px; display: grid; grid-template-columns: 55px 1fr; gap: 19px; background: var(--oxide-deep); color: var(--paper-light); clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%); }
.contribute-mark { padding-top: 9px; }
.contribute-mark img { width: 34px; height: 34px; object-fit: contain; }
.contribute-section .eyebrow { color: rgba(255,253,247,.65); }
.contribute-section h2 { margin: 7px 0 7px; color: var(--paper-light); font-size: 35px; }
.contribute-section h2 em { color: #d9aa80; }
.contribute-section p:not(.eyebrow) { max-width: 58ch; margin: 0 0 10px; color: rgba(255,253,247,.77); font-size: 12px; }
.contribute-section .text-link { color: var(--paper-light); border-color: rgba(255,253,247,.38); font-size: 8px; }
.colophon { margin-top: 57px; padding-top: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 55px; border-top: 1px solid var(--line-dark); }
.colophon h2 { margin-top: 11px; font-size: 31px; }
.colophon > p { max-width: 60ch; margin: 3px 0 0; color: var(--muted); font-size: 12px; line-height: 1.8; }

/* Ledger */
.ledger-page { padding: 62px 7% 80px; }
.ledger-intro { display: grid; grid-template-columns: 1fr auto; gap: 34px; align-items: end; }
.ledger-intro h1 { margin-top: 16px; font-size: 68px; }
.ledger-lead { max-width: 52ch; margin: 13px 0 0; color: var(--muted); font-size: 14px; }
.ledger-stats { margin: 0 0 4px; padding: 12px 0 0; display: flex; gap: 29px; border-top: 1px solid var(--line-dark); }
.ledger-stats div { min-width: 52px; }
.ledger-stats dd { font-size: 22px; }
.ledger-stats time { color: var(--ink); font-family: var(--sans); font-size: 11px; white-space: nowrap; }
.ledger-setting { position: relative; margin: 42px 0 54px; padding: 27px 34px; display: grid; grid-template-columns: 150px 1fr auto; align-items: center; gap: 26px; background: var(--oxide-deep); color: var(--paper-light); clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%); }
.setting-index { align-self: stretch; padding: 4px 19px 0 0; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid rgba(255,253,247,.2); }
.setting-index span { color: rgba(255,253,247,.6); font-family: var(--mono); font-size: 8px; letter-spacing: .1em; text-transform: uppercase; }
.setting-index strong { color: #d9aa80; font-family: var(--serif); font-size: 24px; font-weight: 400; }
.setting-main h2 { margin: 0; color: var(--paper-light); font-size: 33px; line-height: .98; }
.setting-main h2 em { color: #d9aa80; }
.setting-main p { max-width: 60ch; margin: 10px 0 0; color: rgba(255,253,247,.72); font-size: 11px; line-height: 1.65; }
.ledger-setting .text-link { color: var(--paper-light); border-color: rgba(255,253,247,.35); font-size: 8px; white-space: nowrap; }
.ledger-table-section .section-heading { margin-bottom: 13px; }
.ledger-table-section .section-heading h2 { font-size: 40px; }
.table-scroll { overflow-x: auto; border-top: 1px solid var(--line-dark); }
.ledger-table { width: 100%; border-collapse: collapse; text-align: left; }
.ledger-table th { padding: 11px 10px; color: var(--muted); font-family: var(--mono); font-size: 8px; font-weight: 400; letter-spacing: .1em; text-transform: uppercase; }
.ledger-table td { padding: 9px 10px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 12px; }
.ledger-table th:first-child, .ledger-table td:first-child { width: 70px; padding-left: 0; }
.ledger-table th:last-child, .ledger-table td:last-child { width: 90px; text-align: right; }
.register-number { color: var(--oxide) !important; font-family: var(--mono); font-size: 9px !important; }
.register-link { color: var(--ink); font-family: var(--serif); font-size: 17px; text-decoration: none; }
.register-link:hover { color: var(--oxide); }
.register-status { color: var(--sage) !important; font-family: var(--mono); font-size: 8px !important; letter-spacing: .06em; text-transform: uppercase; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Footer */
.site-footer {
  width: min(var(--page-width), 100%);
  margin: 0 auto;
  padding: 17px 38px 25px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.footer-wordmark { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); font-family: var(--serif); font-size: 19px; line-height: 1; text-decoration: none; }
.footer-mark { width: 24px; height: 24px; flex: 0 0 24px; object-fit: contain; }
.site-footer p { margin: 0; font-family: var(--mono); font-size: 8px; letter-spacing: .04em; text-transform: uppercase; }
.site-footer nav { display: flex; flex-wrap: wrap; justify-content: end; gap: 16px; }
.site-footer nav a { color: var(--ink-soft); font-family: var(--mono); font-size: 8px; letter-spacing: .06em; text-decoration: none; text-transform: uppercase; }
.site-footer nav a:hover { color: var(--oxide); }

@media (max-width: 1120px) {
  #featuredGrid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .chapter-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .edition-note { grid-template-columns: 42px 1fr 1.15fr; }
  .edition-link { grid-column: 2 / -1; justify-self: start; }
  .archive-results .folio-grid { grid-template-columns: 1fr; }
  .archive-results .folio { min-height: 315px; }
  .archive-results .folio-content { min-height: 315px; }
  .more-folios .folio-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 900px) {
  .header-inner { padding-inline: 24px; grid-template-columns: 1fr auto; }
  .primary-nav { grid-column: 1 / -1; grid-row: 2; justify-content: center; padding: 1px 0 7px; }
  .header-link { grid-column: 2; grid-row: 1; }
  .hero { padding: 54px 6% 42px; grid-template-columns: 1fr 1fr; gap: 20px; }
  .hero h1 { font-size: clamp(58px, 8vw, 78px); }
  .hero-figure { min-height: 330px; }
  .proof-layout { grid-template-columns: minmax(0,1fr) 205px; gap: 24px; }
  .proof-main { padding-right: 23px; }
  .proof-sidebar { padding-left: 17px; }
  .about-page { padding-inline: 6%; }
  .about-intro { gap: 32px; }
  .criteria-list li { grid-template-columns: 100px 1fr; }
  .ledger-page { padding-inline: 6%; }
  .ledger-setting { grid-template-columns: 115px 1fr; }
  .ledger-setting > .text-link { grid-column: 2; justify-self: start; }
}
@media (max-width: 720px) {
  .hero { min-height: 0; grid-template-columns: 1fr; padding-top: 47px; }
  .hero h1 { font-size: clamp(60px, 14vw, 85px); }
  .hero-figure { min-height: 300px; max-width: 520px; width: 100%; justify-self: center; }
  .home-section { padding-inline: 6%; }
  #featuredGrid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .edition-note { margin-inline: 6%; grid-template-columns: 32px 1fr; gap: 16px; padding: 24px; }
  .edition-mark img { width: 30px; height: 30px; }
  .edition-description, .edition-link { grid-column: 2; }
  .archive-layout { grid-template-columns: 1fr; gap: 27px; padding-top: 37px; }
  .archive-rail { position: static; padding: 0 0 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 0 25px; border-right: 0; border-bottom: 1px solid var(--line); }
  .archive-rail > .eyebrow, .archive-rail > h1, .archive-rail > .rail-intro { grid-column: 1 / -1; }
  .archive-rail > .rail-group { margin-top: 21px; }
  .archive-rail > .rail-group:nth-of-type(3) { grid-column: 1 / -1; }
  .rail-tools { grid-column: 1 / -1; grid-template-columns: auto auto; justify-content: start; }
  .archive-results .folio-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .archive-results .folio, .archive-results .folio-content { min-height: 345px; }
  .proof-page { padding-inline: 6%; }
  .proof-layout { grid-template-columns: 1fr; }
  .proof-main { padding: 14px 0 25px; border-right: 0; }
  .proof-sidebar { position: static; padding: 18px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 25px; border-top: 1px solid var(--line-dark); }
  .sidebar-note { grid-column: 1 / -1; margin-top: 15px; }
  .more-folios { margin-top: 45px; }
  .about-intro { grid-template-columns: 1fr; gap: 19px; }
  .about-copy { margin-left: 2px; padding-top: 2px; }
  .selection-section { margin-top: 55px; }
  .colophon { gap: 25px; }
  .ledger-intro { grid-template-columns: 1fr; gap: 22px; }
  .ledger-stats { width: fit-content; }
}
@media (max-width: 560px) {
  .header-inner { padding: 10px 16px 7px; gap: 9px; }
  .wordmark { font-size: 20px; }
  .wordmark-note { display: none; }
  .primary-nav { gap: 17px; }
  .primary-nav a, .header-link { font-size: 8px; }
  .hero { padding: 39px 20px 27px; }
  .hero-intro { font-size: 15px; }
  .hero-stats { width: 100%; justify-content: space-between; gap: 12px; }
  .hero-stats dd time { font-size: 10px; }
  .hero-figure { min-height: 250px; }
  .hero-figure figcaption { font-size: 7px; }
  .home-section { padding: 43px 20px 20px; }
  .section-heading { align-items: start; flex-direction: column; gap: 12px; }
  .section-heading h2 { font-size: 37px; }
  #featuredGrid, .chapter-grid { grid-template-columns: 1fr; }
  .folio, .folio-content { min-height: 320px; }
  .folio-content { padding: 21px 22px 18px; }
  .folio h3 { font-size: 27px; }
  .edition-note { margin: 19px 20px 51px; padding: 23px 19px; gap: 13px; }
  .edition-copy h2 { font-size: 31px; }
  .edition-description { font-size: 11px; }
  .archive-layout { padding: 31px 20px 54px; }
  .archive-rail { grid-template-columns: 1fr; }
  .archive-rail > .rail-group:nth-of-type(3) { grid-column: auto; }
  .rail-tools { grid-template-columns: 1fr; }
  .archive-heading { align-items: start; }
  .archive-results .folio-grid, .archive-results .folio-grid.is-list, .more-folios .folio-grid { grid-template-columns: 1fr !important; }
  .archive-results .folio, .archive-results .folio-content, .more-folios .folio, .more-folios .folio-content { min-height: 320px; }
  .proof-page { padding: 23px 20px 56px; }
  .proof-main h1 { font-size: 47px; }
  .proof-topline { align-items: start; }
  .proof-topline .eyebrow { max-width: 60%; font-size: 7px; }
  .reflection-section, .examples-list { grid-template-columns: 1fr; }
  .reflection-variant { grid-column: auto; }
  .folio-pagination { grid-template-columns: 1fr 1fr; }
  .folio-pagination .pagination-archive { grid-column: 1 / -1; grid-row: 1; justify-self: center; border: 0; border-bottom: 1px solid var(--line); }
  .folio-pagination .pagination-next { grid-column: 2; grid-row: 2; }
  .folio-pagination a:first-child { grid-column: 1; grid-row: 2; }
  .more-folios .section-heading { align-items: start; }
  .about-page { padding: 42px 20px 55px; }
  .about-intro h1 { font-size: 53px; }
  .about-copy { font-size: 18px; }
  .criteria-list { grid-template-columns: 1fr; }
  .criteria-list li { min-height: 86px; grid-template-columns: 105px 1fr; }
  .contribute-section { margin-top: 34px; padding: 22px 19px; grid-template-columns: 32px 1fr; gap: 12px; }
  .contribute-mark img { width: 32px; height: 32px; }
  .contribute-section h2 { font-size: 30px; }
  .colophon { grid-template-columns: 1fr; gap: 16px; }
  .ledger-page { padding: 42px 20px 55px; }
  .ledger-intro h1 { font-size: 56px; }
  .ledger-stats { width: 100%; justify-content: space-between; gap: 12px; }
  .ledger-stats time { font-size: 9px; }
  .ledger-setting { margin: 28px 0 42px; padding: 22px 18px; grid-template-columns: 1fr; gap: 14px; }
  .setting-index { padding: 0 0 10px; flex-direction: row; border-right: 0; border-bottom: 1px solid rgba(255,253,247,.2); }
  .ledger-setting > .text-link { grid-column: 1; }
  .setting-main h2 { font-size: 30px; }
  .ledger-table { min-width: 570px; }
  .site-footer { padding: 16px 20px 23px; grid-template-columns: 1fr; gap: 9px; }
  .site-footer nav { justify-content: start; gap: 13px; }
  .site-footer p { font-size: 7px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}