/* Hallmark · macrostructure: Map / Diagram · genre: editorial · theme: Almanac · tone: archival military history · anchor hue: oxide red · enrichment: none · nav: N3 · footer: Ft4 · F4 knobs: numbering=dates, layout=vertical, connector=line · contrast: pass (40–41) · slop: pass (1–58) · honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (34, 49–57) */
/* Hallmark · pre-emit critique: P5 H5 E4 S5 R5 V5 */
@import url("tokens.css");

html,
body {
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 20rem;
  color: var(--color-ink);
  background-color: var(--color-paper);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.78;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration-thickness: var(--rule-hair);
  text-underline-offset: 0.12em;
}

a:hover {
  color: var(--color-accent);
}

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

a[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

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

button {
  min-height: 2.75rem;
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  background: var(--color-paper);
  font: 700 var(--text-sm)/1 var(--font-body);
  white-space: nowrap;
}

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

button:active {
  color: var(--color-accent-ink);
  background: var(--color-accent-soft);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.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);
  color: var(--color-paper);
  background: var(--color-ink);
  transform: translateY(-180%);
}

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

.site-rail {
  position: relative;
  z-index: var(--z-raised);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: var(--space-sm);
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  border-block-end: var(--rule-strong) solid var(--color-ink);
  background: var(--color-paper);
}

.rail-brand {
  display: grid;
  min-width: 0;
  line-height: 1.15;
  text-decoration: none;
}

.rail-brand strong {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-style: normal;
  overflow-wrap: anywhere;
}

.rail-brand span {
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.menu-toggle,
.theme-toggle {
  padding-inline: var(--space-sm);
}

.rail-nav {
  grid-column: 1 / -1;
  display: none;
  padding-block: var(--space-sm);
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.rail-nav[data-open="true"] {
  display: block;
}

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

.rail-nav a {
  display: flex;
  min-height: 2.75rem;
  align-items: center;
  border-block-end: var(--rule-hair) solid var(--color-rule);
  text-decoration: none;
  white-space: nowrap;
}

.rail-nav a[aria-current="page"] {
  color: var(--color-accent);
  font-weight: 700;
}

.page-shell {
  width: min(100%, 78rem);
  margin-inline: auto;
  padding: var(--space-lg) clamp(var(--space-md), 4vw, var(--space-xl)) var(--space-3xl);
}

.breadcrumb {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
  margin-block-end: var(--space-xl);
  color: var(--color-muted);
  font-size: var(--text-sm);
  white-space: nowrap;
  overflow-x: auto;
}

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

.dispatch {
  margin: 0 0 var(--space-sm);
  color: var(--color-accent);
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-style: normal;
  overflow-wrap: anywhere;
  min-width: 0;
}

h1 {
  max-width: 10ch;
  font-size: var(--text-display);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

h2 {
  font-size: var(--text-2xl);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h3 {
  font-size: var(--text-lg);
  line-height: 1.3;
}

.hero-lede {
  max-width: 62ch;
  margin: var(--space-lg) 0 0;
  color: var(--color-ink-2);
  font-family: var(--font-display);
  font-size: var(--text-md);
  line-height: 1.72;
}

.coordinate-map {
  position: relative;
  display: grid;
  gap: var(--space-md);
  min-height: 22rem;
  padding: var(--space-lg);
  border-block: var(--rule-hair) solid var(--color-rule-strong);
  background-image:
    repeating-linear-gradient(to right, var(--color-rule) 0 var(--rule-hair), transparent var(--rule-hair) 3rem),
    repeating-linear-gradient(to bottom, var(--color-rule) 0 var(--rule-hair), transparent var(--rule-hair) 3rem);
  background-color: var(--color-paper-2);
}

.coordinate-map::before {
  content: "";
  position: absolute;
  inset-block: var(--space-lg);
  inset-inline-start: 52%;
  border-inline-start: var(--rule-strong) solid var(--color-accent);
}

.map-caption {
  position: relative;
  z-index: var(--z-base);
  align-self: start;
  width: fit-content;
  margin: 0;
  padding: var(--space-2xs) var(--space-xs);
  background: var(--color-paper);
  font-size: var(--text-xs);
}

.map-points {
  position: relative;
  z-index: var(--z-base);
  display: grid;
  align-content: space-between;
  min-height: 16rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.map-points li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: var(--space-sm);
  align-items: center;
  color: var(--color-ink-2);
  font-size: var(--text-sm);
}

.map-points li::before {
  content: "";
  grid-column: 2;
  width: var(--space-sm);
  height: var(--space-sm);
  border: var(--rule-strong) solid var(--color-accent);
  border-radius: 50%;
  background: var(--color-paper);
}

.map-points span {
  grid-column: 3;
  padding: var(--space-2xs) var(--space-xs);
  background: var(--color-paper);
}

.map-points li:nth-child(even) span {
  grid-column: 1;
  grid-row: 1;
  text-align: end;
}

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

.article-flow {
  min-width: 0;
}

.article-flow section {
  display: grid;
  gap: var(--space-md);
  padding-block: var(--space-xl);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.article-flow p,
.article-flow li,
.article-flow dd {
  max-width: 72ch;
}

.article-flow p {
  margin: 0;
}

.article-flow dfn {
  color: var(--color-accent);
  font-style: normal;
  font-weight: 700;
}

.source-ref {
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  text-decoration: none;
}

.field-note,
.decision-note {
  margin-block: var(--space-sm);
  padding: var(--space-md) 0 var(--space-md) var(--space-lg);
  border-inline-start: var(--rule-strong) solid var(--color-accent);
}

.field-note h3,
.decision-note h3 {
  margin-block-end: var(--space-xs);
}

.field-note p,
.decision-note p {
  color: var(--color-ink-2);
}

.campaign-sequence {
  display: grid;
  gap: 0;
  margin: var(--space-sm) 0;
  padding: 0;
  list-style: none;
  counter-reset: campaign;
}

.campaign-sequence li {
  position: relative;
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.campaign-sequence li:last-child {
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.campaign-date {
  color: var(--color-accent);
  font-family: var(--font-outlier);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}

.campaign-sequence p {
  margin-block-start: var(--space-xs);
  color: var(--color-ink-2);
}

.comparison-ledger {
  display: grid;
  margin: var(--space-sm) 0;
  border-block-start: var(--rule-strong) solid var(--color-ink);
}

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

.comparison-ledger dt {
  font-weight: 700;
}

.comparison-ledger dd {
  margin: 0;
  color: var(--color-ink-2);
}

.chapter-index {
  align-self: start;
  padding-block-start: var(--space-xl);
  border-block-start: var(--rule-strong) solid var(--color-ink);
}

.chapter-index h2 {
  margin-block-end: var(--space-md);
  font-size: var(--text-lg);
}

.chapter-index ol {
  display: grid;
  gap: var(--space-xs);
  margin: 0;
  padding: 0;
  list-style: none;
}

.chapter-index a {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  gap: var(--space-sm);
  padding-block: var(--space-sm);
  border-block-end: var(--rule-hair) solid var(--color-rule);
  text-decoration: none;
}

.chapter-index b {
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: var(--text-xs);
}

.source-list {
  display: grid;
  gap: var(--space-md);
  margin: 0;
  padding: 0;
  list-style: none;
}

.source-list li {
  padding-block-end: var(--space-md);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.source-list cite {
  display: block;
  margin-block-end: var(--space-xs);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-style: normal;
  font-weight: 700;
}

.page-turn {
  display: grid;
  gap: var(--space-md);
  margin-block-start: var(--space-2xl);
  padding-block: var(--space-lg);
  border-block: var(--rule-strong) solid var(--color-ink);
}

.page-turn a {
  width: fit-content;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.site-footer {
  margin-block-start: var(--space-3xl);
  padding-block: var(--space-xl);
  border-block-start: var(--rule-strong) solid var(--color-ink);
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: var(--text-xs);
}

.site-footer p {
  max-width: 72ch;
  margin: 0;
}

@media (min-width: 40rem) {
  .page-shell {
    padding-block-start: var(--space-xl);
  }

  .hero {
    grid-template-columns: minmax(0, 1.2fr) minmax(17rem, 0.8fr);
    align-items: end;
  }

  .comparison-ledger div {
    grid-template-columns: minmax(9rem, 0.36fr) minmax(0, 1fr);
    gap: var(--space-lg);
  }

  .page-turn {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-turn a:last-child {
    justify-self: end;
  }
}

@media (min-width: 64rem) {
  .site-rail {
    position: fixed;
    inset-block: 0;
    inset-inline-start: 0;
    width: 11.5rem;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr) auto;
    align-items: start;
    padding: var(--space-lg);
    border-block-end: 0;
    border-inline-end: var(--rule-strong) solid var(--color-ink);
  }

  .menu-toggle {
    display: none;
  }

  .rail-nav,
  .rail-nav[data-open="true"] {
    display: block;
    grid-column: 1;
    padding-block: var(--space-xl);
    border-block-start: 0;
  }

  .theme-toggle {
    width: 100%;
  }

  .page-shell {
    width: min(calc(100% - 11.5rem), 82rem);
    margin-inline-start: max(11.5rem, calc((100% - 82rem + 11.5rem) / 2));
    margin-inline-end: auto;
    padding-inline: clamp(var(--space-xl), 5vw, var(--space-3xl));
  }

  .reading-grid {
    grid-template-columns: minmax(0, 1fr) 17rem;
    align-items: start;
  }

  .chapter-index {
    position: sticky;
    inset-block-start: var(--space-xl);
  }
}

@media (pointer: coarse) {
  a,
  button {
    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 {
  .site-rail,
  .skip-link,
  .page-turn {
    display: none;
  }

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

  a {
    text-decoration: none;
  }
}