/* Hallmark · macrostructure: Long Document · genre: editorial · theme: Studio · tone: soft exact · anchor hue: moss · enrichment: none · nav: N6 · footer: Ft4
 * Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V4
 * contrast: pass (40–41) · slop: pass (42–45) · honest: pass (46) · chrome: pass (47) · tokens: pass (48) · mobile: pass (34, 49, 50–57)
 * H2 Split knobs: ratio=7/5, right=proof-column, divider=vertical-rule · F4 Step knobs: numbering=01/02/03, layout=vertical, connector=line
 */
@import url("tokens.css");

*, *::before, *::after { box-sizing: border-box; }

html,
body {
  margin: 0;
  overflow-x: clip;
}

html { scroll-behavior: smooth; }

body {
  min-width: 20rem;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.72;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--color-accent);
  text-decoration-color: var(--color-rule-strong);
  text-decoration-thickness: var(--rule-hair);
  text-underline-offset: 0.2em;
}

a:hover { text-decoration-thickness: var(--rule-medium); }

a:active,
summary:active { color: var(--color-ink); }

a[aria-disabled="true"],
summary[aria-disabled="true"] {
  color: var(--color-muted);
  cursor: not-allowed;
  opacity: 0.55;
  pointer-events: none;
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: var(--space-2xs);
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: 200;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-ink);
  color: var(--color-paper);
  transform: translateY(-180%);
  text-decoration: none;
  white-space: nowrap;
}

.skip-link:focus { transform: translateY(0); }

.site-head {
  padding: var(--space-md) var(--page-gutter) 0;
  text-align: center;
}

.issue-line {
  margin: 0;
  color: var(--color-muted);
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.07em;
}

.mast-name {
  margin: var(--space-xs) 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-style: normal;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.05;
}

.mast-name a { color: var(--color-ink); text-decoration: none; }

.mast-nav {
  margin-inline: auto;
  max-width: 62rem;
}

.mast-nav summary {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-ink);
  font-weight: 700;
  list-style-position: inside;
  white-space: nowrap;
}

.mast-links {
  margin: var(--space-xs) 0 var(--space-sm);
  padding: 0;
  display: grid;
  gap: var(--space-2xs);
  list-style: none;
}

.mast-nav:not([open]) > .mast-links { display: none; }

.mast-links a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink-soft);
  text-decoration: none;
  white-space: nowrap;
}

.mast-links a[aria-current="page"] {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: var(--rule-medium);
  text-underline-offset: 0.35em;
}

.mast-rule {
  height: var(--space-2xs);
  margin: 0;
  border: 0;
  border-block: var(--rule-hair) solid var(--color-rule-strong);
}

.page-shell {
  width: min(100%, 76rem);
  margin-inline: auto;
  padding: var(--space-lg) var(--page-gutter) var(--space-3xl);
}

.crumbs {
  margin: 0 0 var(--space-xl);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.crumbs a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
  align-items: start;
  padding-block: var(--space-lg) var(--space-2xl);
}

.hero-copy { min-width: 0; }

.hero-copy h1 {
  min-width: 0;
  max-width: 12ch;
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-style: normal;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.04;
  overflow-wrap: anywhere;
}

.hero-copy .lede {
  max-width: 36rem;
  margin: var(--space-lg) 0 0;
  color: var(--color-ink-soft);
  font-family: var(--font-display);
  font-size: var(--text-md);
  line-height: 1.55;
}

dfn {
  color: var(--color-ink);
  font-style: normal;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: var(--rule-medium);
  text-underline-offset: 0.16em;
}

.proof-ledger {
  margin: 0;
  padding: var(--space-lg) 0 var(--space-md) var(--space-lg);
  border-inline-start: var(--rule-hair) solid var(--color-rule-strong);
}

.proof-ledger figcaption {
  margin-block-end: var(--space-md);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-muted);
}

.ledger-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-md);
  padding-block: var(--space-sm);
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.ledger-row:last-child { border-block-end: var(--rule-hair) solid var(--color-rule); }

.ledger-row strong { font-weight: 700; }
.ledger-row span { color: var(--color-muted); text-align: end; }

.reading-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
}

.chapter-map {
  align-self: start;
  padding-block-start: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.chapter-map p { margin: 0 0 var(--space-xs); font-weight: 700; }
.chapter-map ol { margin: 0; padding-inline-start: var(--space-lg); }
.chapter-map a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: var(--color-ink-soft);
  white-space: nowrap;
}

.prose {
  min-width: 0;
  max-width: var(--measure);
}

.prose section { margin-block-end: var(--space-2xl); }

.prose h2 {
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-style: normal;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.prose h3 {
  margin: var(--space-xl) 0 var(--space-sm);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: normal;
  font-weight: 700;
  line-height: 1.25;
}

.prose p { margin: 0 0 var(--space-lg); }

.head-inline {
  font-variant-caps: all-small-caps;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.note,
.boundary-note {
  margin-block: var(--space-xl);
  padding: var(--space-lg);
  background: var(--color-paper-soft);
  border-block: var(--rule-hair) solid var(--color-rule-strong);
}

.boundary-note { background: var(--color-caution-soft); }
.note p:last-child,
.boundary-note p:last-child { margin-block-end: 0; }

.evidence-table {
  margin-block: var(--space-xl);
  border-block: var(--rule-hair) solid var(--color-rule-strong);
}

.evidence-row {
  display: grid;
  gap: var(--space-xs);
  padding-block: var(--space-md);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.evidence-row:last-child { border-block-end: 0; }
.evidence-row strong { font-family: var(--font-display); font-size: var(--text-md); }
.evidence-row p { margin: 0; color: var(--color-ink-soft); }

.cycle {
  margin: var(--space-xl) 0;
  padding: 0;
  list-style: none;
  counter-reset: cycle;
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.cycle li {
  counter-increment: cycle;
  position: relative;
  padding: var(--space-lg) 0 var(--space-lg) var(--space-2xl);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.cycle li::before {
  content: counter(cycle, decimal-leading-zero);
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: var(--space-lg);
  color: var(--color-accent);
  font-family: var(--font-outlier);
  font-weight: 700;
}

.cycle h3 { margin: 0 0 var(--space-xs); }
.cycle p { margin: 0; }

.split-claims {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-lg);
  margin-block: var(--space-xl);
}

.split-claims section {
  margin: 0;
  padding-block-start: var(--space-md);
  border-block-start: var(--rule-double) solid var(--color-rule-strong);
}

.split-claims h3 { margin-block-start: 0; }

.source-cite {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  vertical-align: middle;
  white-space: nowrap;
}

.source-list a,
.site-foot a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.source-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: source;
}

.source-list li {
  counter-increment: source;
  padding: var(--space-lg) 0 var(--space-lg) var(--space-2xl);
  position: relative;
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.source-list li::before {
  content: "[" counter(source) "]";
  position: absolute;
  inset-inline-start: 0;
  color: var(--color-accent);
  font-family: var(--font-outlier);
  font-size: var(--text-sm);
}

.source-list p { margin-block-end: var(--space-sm); }

.page-turn {
  max-width: var(--measure);
  margin-block-start: var(--space-2xl);
  padding-block: var(--space-lg);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-md);
  border-block: var(--rule-hair) solid var(--color-rule-strong);
}

.page-turn a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.site-foot {
  padding: var(--space-xl) var(--page-gutter) var(--space-2xl);
  background: var(--color-paper-soft);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.site-foot-inner {
  width: min(100%, 76rem);
  margin-inline: auto;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-ink-soft);
}

.site-foot p { margin: 0 0 var(--space-sm); }
.site-foot a { white-space: nowrap; }

@media (min-width: 40rem) {
  .mast-nav summary { display: none; }
  .mast-nav:not([open]) > .mast-links,
  .mast-nav[open] > .mast-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg);
  }
  .mast-links a { min-height: 2.5rem; }
  .hero-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-2xl);
  }
  .evidence-row { grid-template-columns: minmax(8rem, 0.35fr) minmax(0, 1fr); }
  .split-claims { grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); }
}

@media (min-width: 60rem) {
  .reading-grid { grid-template-columns: minmax(9rem, 12rem) minmax(0, var(--measure)); gap: var(--space-2xl); }
  .chapter-map { position: sticky; inset-block-start: var(--space-lg); }
}

@media (pointer: coarse) {
  a,
  summary { min-height: 2.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: var(--dur-micro) !important;
    animation-iteration-count: 1 !important;
    transition-duration: var(--dur-micro) !important;
  }
}

@media print {
  .skip-link,
  .mast-nav,
  .crumbs,
  .page-turn { display: none; }
  body { background: var(--color-paper-raised); color: var(--color-ink); }
  .page-shell { width: 100%; padding: 0; }
  .reading-grid { display: block; }
  .chapter-map { display: none; }
  a { color: currentColor; text-decoration: none; }
}