/* Hallmark · macrostructure: Map / Diagram · tone: austere legal dossier · anchor hue: judicial blue · theme: Almanac · enrichment: Tier-A CSS institutional map · N3 knobs: side=left, width=16ch, indicator=numbered · Ft2 knobs: order=wordmark/links/credit, separator=middot, density=spaced */
/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 */
/* Hallmark · final slop-test: pass 58/58 · contrast: pass · honest: pass · chrome: pass · tokens: pass · responsive/mobile: pass · icons: pass */
@import url("tokens.css");
@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;600&family=IBM+Plex+Sans:wght@400;700&family=Source+Serif+4:opsz,wght@8..60,400;8..60,700&display=swap");

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

html,
body {
  overflow-x: clip;
}

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

html[data-theme="dark"] {
  color-scheme: dark;
}

body {
  min-width: 0;
  margin: 0;
  color: var(--color-ink);
  background: var(--color-paper);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.72;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--color-selection);
}

a {
  color: var(--color-accent-strong);
  text-decoration-color: var(--color-rule-strong);
  text-decoration-thickness: var(--rule-thin);
  text-underline-offset: 0.18em;
}

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

a:active {
  color: var(--color-seal);
}

a[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.48;
  pointer-events: none;
}

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

button {
  font: inherit;
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: var(--z-tooltip);
  padding: var(--space-sm) var(--space-md);
  color: var(--color-paper);
  background: var(--color-ink);
  transform: translateY(-180%);
}

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

.mobile-bar {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3.5rem;
  padding-inline: max(var(--space-md), env(safe-area-inset-left));
  background: var(--color-paper);
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.mobile-bar__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  white-space: nowrap;
}

.mobile-bar__actions {
  display: flex;
  gap: var(--space-xs);
}

.control {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: var(--space-xs) var(--space-sm);
  color: var(--color-ink);
  background: var(--color-paper-raised);
  border: var(--rule-thin) solid var(--color-rule-strong);
  border-radius: var(--radius-control);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.control:hover {
  color: var(--color-paper);
  background: var(--color-ink);
}

.control:active {
  transform: translateY(var(--space-3xs));
}

.control:disabled,
.control[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.48;
}

.control[aria-busy="true"] {
  text-decoration: underline;
  text-decoration-style: dotted;
}

.control[data-state="error"] {
  border-style: double;
  border-color: var(--color-seal);
}

.control[data-state="success"]::after {
  content: " ✓";
}

.rail {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: var(--z-sticky);
  display: none;
  width: 11rem;
  padding: var(--space-lg) var(--space-md);
  background: var(--color-paper-raised);
  border-inline-end: var(--rule-thin) solid var(--color-rule);
}

.rail__brand {
  margin: 0 0 var(--space-xl);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  line-height: 1.15;
}

.rail__issue {
  margin: 0 0 var(--space-lg);
  color: var(--color-muted);
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  line-height: 1.5;
}

.rail ul,
.mobile-menu ul {
  display: grid;
  gap: var(--space-2xs);
  margin: 0;
  padding: 0;
  list-style: none;
}

.rail a,
.mobile-menu a {
  display: flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--color-ink-soft);
  text-decoration: none;
  white-space: nowrap;
}

.rail a::before {
  content: attr(data-index);
  width: 2.1rem;
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: var(--text-xs);
}

.rail a:hover,
.rail a[aria-current="page"],
.mobile-menu a:hover,
.mobile-menu a[aria-current="page"] {
  color: var(--color-accent-strong);
}

.rail a[aria-current="page"] {
  font-weight: 700;
}

.rail__tools {
  position: absolute;
  inset-block-end: var(--space-lg);
  inset-inline: var(--space-md);
  display: grid;
  gap: var(--space-xs);
}

.rail__tools .control {
  width: 100%;
}

.mobile-menu {
  position: fixed;
  inset: 3.5rem 0 auto 0;
  z-index: var(--z-dropdown);
  padding: var(--space-lg);
  background: var(--color-paper-raised);
  border-block-end: var(--rule-heavy) double var(--color-rule-strong);
  opacity: 0;
  transform: translateY(calc(-1 * var(--space-sm)));
  pointer-events: none;
  transition: opacity var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out);
}

.mobile-menu[data-open="true"] {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.mobile-menu a {
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.page {
  width: min(100% - 2 * var(--space-md), 75rem);
  margin-inline: auto;
  padding-block: var(--space-xl) var(--space-3xl);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-block-end: var(--space-xl);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.breadcrumb a {
  white-space: nowrap;
}

.hero {
  display: grid;
  gap: var(--space-lg);
  padding-block: var(--space-xl) var(--space-2xl);
  border-block-start: var(--rule-heavy) double var(--color-ink);
  border-block-end: var(--rule-thin) solid var(--color-rule-strong);
}

.hero__title {
  max-width: 11ch;
  min-width: 0;
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-display-s);
  font-style: normal;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.04;
  overflow-wrap: anywhere;
}

.hero__lede {
  max-width: 42rem;
  margin: 0;
  color: var(--color-ink-soft);
  font-family: var(--font-display);
  font-size: var(--text-md);
  line-height: 1.55;
}

.hero__meta {
  margin: 0;
  color: var(--color-muted);
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
}

.reading-grid {
  display: grid;
  gap: var(--space-2xl);
  padding-block-start: var(--space-2xl);
}

.article {
  min-width: 0;
}

.article section {
  display: grid;
  gap: var(--space-md);
  margin-block-end: var(--space-2xl);
}

.article h2,
.article h3,
.reference h2 {
  min-width: 0;
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-style: normal;
  line-height: 1.18;
  overflow-wrap: anywhere;
}

.article h2,
.reference h2 {
  max-width: 22ch;
  padding-block-start: var(--space-sm);
  border-block-start: var(--rule-thin) solid var(--color-rule-strong);
  font-size: var(--text-xl);
}

.article h3 {
  font-size: var(--text-lg);
}

.article p,
.reference p,
.reference li {
  max-width: 70ch;
  margin: 0;
}

.article p {
  font-size: var(--text-base);
}

.article dfn {
  color: var(--color-accent-strong);
  font-style: normal;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--color-rule-strong);
  text-decoration-style: dotted;
  text-underline-offset: 0.18em;
}

.margin-note {
  max-width: 70ch;
  padding: var(--space-md) 0 var(--space-md) var(--space-lg);
  color: var(--color-ink-soft);
  border-inline-start: var(--rule-thin) solid var(--color-seal);
  font-size: var(--text-sm);
}

.boundary-note {
  display: grid;
  gap: var(--space-sm);
  max-width: 70ch;
  padding-block: var(--space-lg);
  border-block: var(--rule-thin) solid var(--color-rule);
}

.boundary-note strong {
  color: var(--color-seal);
}

.system-map {
  display: grid;
  gap: var(--space-sm);
  margin-block: var(--space-xl);
  padding: var(--space-md);
  background: var(--color-paper-raised);
  border-block: var(--rule-heavy) double var(--color-ink);
}

.system-map__legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-md);
  padding-block-end: var(--space-sm);
  color: var(--color-muted);
  border-block-end: var(--rule-thin) solid var(--color-rule);
  font-family: var(--font-body);
  font-size: var(--text-xs);
}

.system-map__stage {
  display: grid;
  gap: var(--space-xs);
  padding: var(--space-md) 0;
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.system-map__stage:last-child {
  border-block-end: 0;
}

.system-map__stage h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-style: normal;
}

.system-map__stage p {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

.system-map__arrow {
  display: none;
  color: var(--color-seal);
  font-family: var(--font-body);
}

.ledger {
  margin: var(--space-xl) 0;
  border-block-start: var(--rule-heavy) double var(--color-ink);
}

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

.ledger dt {
  color: var(--color-accent-strong);
  font-family: var(--font-display);
  font-weight: 700;
}

.ledger dd {
  margin: 0;
  color: var(--color-ink-soft);
}

.chapter-turn {
  display: grid;
  gap: var(--space-sm);
  margin-block-start: var(--space-3xl);
  padding-block: var(--space-xl);
  border-block: var(--rule-heavy) double var(--color-ink);
}

.chapter-turn a {
  display: grid;
  gap: var(--space-2xs);
  width: fit-content;
  text-decoration: none;
  white-space: nowrap;
}

.chapter-turn a span:first-child {
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: var(--text-xs);
}

.chapter-turn a span:last-child {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
}

.reference-list {
  display: grid;
  gap: var(--space-lg);
  margin: var(--space-xl) 0 0;
  padding: 0;
  list-style: none;
}

.reference-list li {
  display: grid;
  gap: var(--space-xs);
  padding-block-end: var(--space-lg);
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.reference-list cite {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-style: normal;
  font-weight: 700;
}

.reference-list a {
  width: fit-content;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  white-space: nowrap;
}

.site-footer {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-block: var(--space-xl) max(var(--space-xl), env(safe-area-inset-bottom));
  border-block-start: var(--rule-thin) solid var(--color-rule-strong);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.site-footer p {
  margin: 0;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.site-footer a {
  white-space: nowrap;
}

@media (min-width: 40rem) {
  .page {
    width: min(100% - 2 * var(--space-xl), 75rem);
    padding-block-start: var(--space-2xl);
  }

  .hero {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: end;
  }

  .hero__lede,
  .hero__meta {
    grid-column: 2;
  }

  .hero__title {
    grid-row: 1 / span 2;
  }

  .system-map {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: stretch;
    padding: var(--space-lg);
  }

  .system-map__legend {
    grid-column: 1 / -1;
  }

  .system-map__stage {
    align-content: start;
    border-block-end: 0;
  }

  .system-map__arrow {
    display: grid;
    align-items: center;
  }

  .ledger__row {
    grid-template-columns: minmax(9rem, 0.35fr) minmax(0, 1fr);
  }

  .site-footer {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 60rem) {
  .mobile-bar,
  .mobile-menu {
    display: none;
  }

  .rail {
    display: block;
  }

  .page {
    width: min(calc(100% - 11rem - 2 * var(--space-2xl)), 75rem);
    margin-inline-start: calc(11rem + var(--space-2xl));
    margin-inline-end: var(--space-2xl);
  }

  .reading-grid {
    grid-template-columns: minmax(0, 46rem) minmax(10rem, 1fr);
    align-items: start;
  }

  .page-aside {
    position: sticky;
    inset-block-start: var(--space-xl);
    padding-block-start: var(--space-sm);
    border-block-start: var(--rule-heavy) double var(--color-ink);
  }

  .page-aside p {
    margin: 0;
    color: var(--color-muted);
    font-size: var(--text-sm);
  }
}

@media (pointer: coarse) {
  .rail a,
  .mobile-menu a,
  .control {
    min-height: 3rem;
  }
}

@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;
  }

  .mobile-menu {
    transform: none;
  }
}

@media print {
  .rail,
  .mobile-bar,
  .mobile-menu,
  .skip-link,
  .chapter-turn {
    display: none;
  }

  .page {
    width: 100%;
    margin: 0;
    padding: 0;
  }

  a {
    color: var(--color-ink);
  }
}