/* Hallmark · macrostructure: Long Document · genre: editorial · theme: Almanac · tone: philosophical editorial · anchor hue: terracotta · enrichment: none · nav: N3 · footer: Ft4 · contrast: pass (40–41) · slop: pass (42–45) · honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49) · icons: pass (30) · mobile: pass (34, 49, 50–57) */
/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 */
@import url("tokens.css");
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;700&family=Noto+Serif+SC:wght@400;700;900&display=swap");

*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: light; overflow-x: clip; scroll-behavior: smooth; }
html[data-theme="dark"] { color-scheme: dark; }
body {
  margin: 0;
  overflow-x: clip;
  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-underline-offset: 0.2em; text-decoration-thickness: var(--rule-hair); }
a:hover { text-decoration-thickness: var(--rule-strong); }
a:active { color: var(--color-ink); }
a[aria-disabled="true"] { color: var(--color-muted); cursor: not-allowed; opacity: 0.55; pointer-events: none; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}
button { font: inherit; }
.skip-link {
  position: fixed;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: var(--z-sticky);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-ink);
  color: var(--color-paper);
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }

.nav-rail {
  position: relative;
  z-index: var(--z-sticky);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-sm);
  align-items: center;
  padding: var(--space-sm) var(--page-gutter);
  border-block-end: var(--rule-hair) solid var(--color-rule);
  background: var(--color-paper);
}
.rail-wordmark {
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: normal;
  font-weight: 900;
  letter-spacing: -0.03em;
  text-decoration: none;
  white-space: nowrap;
}
.rail-actions { display: flex; gap: var(--space-xs); align-items: center; }
.rail-toggle, .theme-toggle {
  min-width: 44px;
  min-height: 44px;
  padding-inline: var(--space-md);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-small);
  background: var(--color-paper);
  color: var(--color-ink);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}
.rail-toggle:hover, .theme-toggle:hover { background: var(--color-ink); color: var(--color-paper); }
.rail-toggle:active, .theme-toggle:active { transform: translateY(1px); }
.rail-toggle:disabled, .theme-toggle:disabled { background: var(--color-paper-deep); color: var(--color-muted); cursor: not-allowed; opacity: 0.55; }
.rail-toggle[data-state="loading"], .theme-toggle[data-state="loading"] { cursor: wait; }
.rail-toggle[data-state="error"], .theme-toggle[data-state="error"] { text-decoration: underline wavy; }
.rail-toggle[data-state="success"], .theme-toggle[data-state="success"] { border-style: double; }
.rail-links {
  grid-column: 1 / -1;
  display: none;
  list-style: none;
  padding: var(--space-sm) 0 0;
  margin: 0;
}
.rail-links[data-open="true"] { display: grid; gap: var(--space-xs); }
.rail-links a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--color-ink-soft);
  text-decoration: none;
  white-space: nowrap;
}
.rail-links a:hover, .rail-links a[aria-current="page"] { color: var(--color-accent); }
.rail-index { display: none; }

.page-shell {
  width: min(100%, var(--page-max));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}
.breadcrumb {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
  padding-block: var(--space-lg);
  color: var(--color-muted);
  font-size: var(--text-sm);
  overflow-x: auto;
}
.breadcrumb a, .breadcrumb span { white-space: nowrap; }
.frontispiece {
  display: grid;
  gap: var(--space-xl);
  padding-block: var(--space-xl) var(--space-3xl);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}
.frontispiece h1 {
  max-width: 10ch;
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-style: normal;
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.045em;
  overflow-wrap: anywhere;
  min-width: 0;
}
.frontispiece .lede {
  max-width: 38ch;
  margin: var(--space-lg) 0 0;
  color: var(--color-ink-soft);
  font-family: var(--font-display);
  font-size: var(--text-md);
}
.frontispiece-note {
  align-self: end;
  padding-block: var(--space-lg);
  border-block: var(--rule-hair) solid var(--color-rule);
}
.frontispiece-note strong { display: block; margin-block-end: var(--space-sm); color: var(--color-accent); font-family: var(--font-display); font-size: var(--text-lg); }
.frontispiece-note p { margin: 0; }

.prose-section { padding-block: var(--space-2xl) var(--space-3xl); }
.head-hang { padding-block: var(--space-xl) var(--space-lg); }
.head-hang h2 {
  max-width: 20ch;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 3.1rem);
  font-style: normal;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  overflow-wrap: anywhere;
  min-width: 0;
}
.prose { max-width: var(--prose-max); }
.prose p { margin: 0 0 var(--space-lg); }
.prose p:first-child::first-letter {
  float: inline-start;
  margin-inline-end: var(--space-xs);
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 3.05em;
  line-height: 0.82;
}
.prose h3 { margin: var(--space-xl) 0 var(--space-md); font-family: var(--font-display); font-size: var(--text-lg); font-style: normal; }
dfn { font-style: normal; font-weight: 700; text-decoration: underline; text-decoration-color: var(--color-accent); text-underline-offset: 0.18em; }

.scale-figure, .argument-map, .judgment-matrix {
  margin-block: var(--space-2xl);
  padding-block: var(--space-xl);
  border-block: var(--rule-hair) solid var(--color-rule);
}
.scale-figure figcaption, .argument-map figcaption, .judgment-matrix figcaption { max-width: var(--prose-max); margin-block-end: var(--space-lg); color: var(--color-muted); }
.scale-grid { display: grid; gap: var(--space-md); }
.scale-panel { padding: var(--space-lg); background: var(--color-paper-raised); }
.scale-panel h3 { margin: 0 0 var(--space-md); font-family: var(--font-display); font-size: var(--text-lg); font-style: normal; }
.scale-row { display: grid; grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr); gap: var(--space-md); padding-block: var(--space-sm); border-block-end: var(--rule-hair) solid var(--color-rule); }
.scale-row:last-child { border-block-end: 0; }
.scale-row strong { color: var(--color-accent); }

.argument-map ol { display: grid; gap: var(--space-lg); max-width: var(--prose-max); margin: 0; padding-inline-start: var(--space-xl); }
.argument-map li { padding-inline-start: var(--space-sm); }
.argument-map li::marker { color: var(--color-accent); font-family: var(--font-display); font-weight: 900; }
.argument-map strong { display: block; margin-block-end: var(--space-xs); font-family: var(--font-display); font-size: var(--text-md); }

.matrix-wrap { overflow-x: auto; }
.matrix { width: 100%; min-width: 42rem; border-collapse: collapse; }
.matrix th, .matrix td { padding: var(--space-md); border-block-end: var(--rule-hair) solid var(--color-rule); text-align: start; vertical-align: top; }
.matrix thead th { font-family: var(--font-display); font-size: var(--text-md); }
.matrix tbody th { color: var(--color-accent); font-weight: 700; }

.source-note {
  max-width: var(--prose-max);
  margin-block: var(--space-2xl);
  padding: var(--space-lg);
  background: var(--color-paper-raised);
  border-block: var(--rule-hair) solid var(--color-rule);
}
.source-note p { margin: 0; }
.chapter-nav { display: grid; gap: var(--space-sm); margin-block: var(--space-2xl) var(--space-3xl); }
.chapter-nav a {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-block: var(--rule-hair) solid var(--color-rule);
  color: var(--color-ink);
  text-decoration: none;
  white-space: nowrap;
}
.chapter-nav a:hover { color: var(--color-accent); }

.source-list { display: grid; gap: var(--space-xl); max-width: var(--prose-max); list-style: none; padding: 0; margin: var(--space-xl) 0; }
.source-item { padding-block-end: var(--space-xl); border-block-end: var(--rule-hair) solid var(--color-rule); }
.source-item h2 { margin: 0 0 var(--space-sm); font-family: var(--font-display); font-size: var(--text-lg); font-style: normal; }
.source-item p { margin: 0 0 var(--space-sm); }
.source-item a { overflow-wrap: anywhere; }
.related-list { display: grid; gap: var(--space-md); max-width: var(--prose-max); padding: 0; list-style: none; }
.related-list a { display: inline-flex; min-height: 44px; align-items: center; }

.foot-dense {
  padding: var(--space-2xl) var(--page-gutter) var(--space-3xl);
  border-block-start: var(--rule-hair) solid var(--color-rule);
  color: var(--color-muted);
  font-size: var(--text-sm);
}
.foot-dense p { max-width: 82ch; margin: 0; }
.foot-dense a { white-space: nowrap; }

@media (min-width: 40rem) {
  .frontispiece { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: end; }
  .scale-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .chapter-nav { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}

@media (min-width: 60rem) {
  body { padding-inline-start: 12rem; }
  .nav-rail {
    position: fixed;
    inset-block: 0;
    inset-inline-start: 0;
    width: 12rem;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-xl) var(--space-lg);
    border-block-end: 0;
    border-inline-end: var(--rule-hair) solid var(--color-rule);
  }
  .rail-wordmark { white-space: normal; }
  .rail-actions { margin-block-start: var(--space-lg); }
  .rail-toggle { display: none; }
  .rail-links { display: grid; gap: var(--space-xs); padding-block-start: var(--space-xl); }
  .rail-index { display: block; margin-block-start: auto; color: var(--color-muted); font-family: var(--font-display); font-size: var(--text-sm); }
  .page-shell { padding-inline: clamp(2.5rem, 6vw, 6rem); }
  .prose-section:nth-of-type(even) .prose { margin-inline-start: auto; }
  .prose-section:nth-of-type(even) .head-hang h2 { margin-inline-start: 31%; }
}

@media (pointer: coarse) { a, button { min-height: 44px; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 150ms !important; animation-iteration-count: 1 !important; transition-duration: 150ms !important; }
}
@media print {
  body { padding-inline-start: 0; background: var(--color-paper); color: var(--color-ink); }
  .nav-rail, .breadcrumb, .chapter-nav, .skip-link { display: none !important; }
  a { color: var(--color-ink); }
}