/* Hallmark · genre: editorial · macrostructure: Long Document · theme: Almanac · enrichment: none · nav: N6 · footer: Ft4 */
/* Hallmark · pre-emit critique: P5 H5 E4 S5 R5 V4 */
@import url("tokens.css");

html,
body {
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
  background: var(--color-paper);
}

* {
  box-sizing: border-box;
}

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

a {
  color: var(--color-accent);
  text-decoration-color: var(--color-rule-strong);
  text-decoration-thickness: var(--rule-hair);
  text-underline-offset: 0.22em;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px 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);
  background: var(--color-ink);
  color: var(--color-paper);
  transform: translateY(-180%);
}

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

.reading-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-sticky);
  height: var(--space-3xs);
  background: var(--color-paper-sunken);
}

.reading-progress__fill {
  width: 100%;
  height: 100%;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
}

.site-masthead {
  width: min(100% - 2rem, 76rem);
  margin-inline: auto;
  padding-block: var(--space-lg) 0;
  text-align: center;
}

.mast-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-sm);
  margin: 0;
  color: var(--color-muted);
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
}

.mast-name {
  margin: var(--space-xs) 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 3.9rem);
  font-style: normal;
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 1.08;
  overflow-wrap: anywhere;
}

.mast-nav {
  position: relative;
}

.mast-nav ul {
  display: none;
  list-style: none;
  margin: 0;
  padding: var(--space-sm) 0;
}

.mast-nav.is-open ul {
  display: grid;
  gap: var(--space-xs);
}

.mast-nav a,
.nav-toggle,
.theme-toggle {
  min-height: 2.75rem;
  white-space: nowrap;
}

.mast-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: var(--space-sm);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
}

.mast-nav a[aria-current="page"] {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: var(--rule-hair);
  text-underline-offset: var(--space-xs);
}

.mast-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-xs);
  margin-block: var(--space-xs);
}

.nav-toggle,
.theme-toggle {
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-small);
  background: var(--color-paper-raised);
  color: var(--color-ink);
  cursor: pointer;
  padding-inline: var(--space-md);
  font-size: var(--text-sm);
  font-weight: 700;
}

.nav-toggle:active,
.theme-toggle:active {
  transform: translateY(1px);
}

.nav-toggle:disabled,
.theme-toggle:disabled,
.nav-toggle[aria-disabled="true"],
.theme-toggle[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.55;
}

.nav-toggle[data-state="loading"],
.theme-toggle[data-state="loading"] {
  cursor: progress;
}

.nav-toggle[data-state="error"],
.theme-toggle[data-state="error"] {
  border-color: var(--color-error);
}

.nav-toggle[data-state="success"],
.theme-toggle[data-state="success"] {
  border-color: var(--color-success);
}

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

.page-frame {
  width: min(100% - 2rem, 76rem);
  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-family: var(--font-outlier);
  font-size: var(--text-xs);
}

.breadcrumb a {
  color: var(--color-ink-soft);
  white-space: nowrap;
}

.reading-layout {
  display: grid;
  gap: var(--space-xl);
}

.route-rail {
  padding-block-end: var(--space-lg);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.route-rail p {
  margin: 0 0 var(--space-sm);
  color: var(--color-muted);
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
}

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

.route-rail a {
  display: grid;
  grid-template-columns: 1.7rem minmax(0, 1fr);
  gap: var(--space-xs);
  align-items: baseline;
  color: var(--color-ink-soft);
  text-decoration: none;
}

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

.route-index {
  color: var(--color-muted);
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.prose {
  min-width: 0;
  max-width: 68ch;
}

.chapter-head {
  margin-block-end: var(--space-2xl);
}

.chapter-kicker {
  margin: 0 0 var(--space-sm);
  color: var(--color-accent);
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
}

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

h1 {
  max-width: 12ch;
  margin: 0;
  font-size: var(--text-display);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 1.08;
}

.lede {
  margin: var(--space-lg) 0 0;
  color: var(--color-ink-soft);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 500;
  line-height: 1.75;
}

.date-line {
  margin: var(--space-lg) 0 0;
  color: var(--color-muted);
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.route-figure {
  margin: var(--space-2xl) 0;
  padding-block: var(--space-lg);
  border-block: var(--rule-hair) solid var(--color-rule-strong);
}

.route-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-xs);
  list-style: none;
  margin: 0;
  padding: var(--space-md) 0;
}

.route-track::before {
  content: "";
  position: absolute;
  inset: 1.15rem 8% auto;
  border-block-start: var(--rule-hair) solid var(--color-accent);
}

.route-track li {
  position: relative;
  padding-block-start: var(--space-xl);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  text-align: center;
}

.route-track li::before {
  content: "";
  position: absolute;
  inset: 0.63rem auto auto 50%;
  width: var(--space-sm);
  height: var(--space-sm);
  border: var(--rule-hair) solid var(--color-accent);
  border-radius: var(--radius-round);
  background: var(--color-paper);
  transform: translateX(-50%);
}

figcaption {
  color: var(--color-muted);
  font-size: var(--text-sm);
  line-height: 1.65;
}

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

.prose h2 {
  margin: 0 0 var(--space-md);
  font-size: var(--text-xl);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.25;
}

.prose h3 {
  margin: var(--space-xl) 0 var(--space-sm);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.35;
}

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

.prose 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-hair);
  text-underline-offset: 0.2em;
}

.prose blockquote {
  margin: var(--space-xl) 0;
  padding: var(--space-lg) 0 var(--space-lg) var(--space-lg);
  border-inline-start: var(--rule-hair) solid var(--color-accent);
  color: var(--color-ink-soft);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-style: normal;
  line-height: 1.75;
}

.prose blockquote p:last-child {
  margin-bottom: 0;
}

.margin-note {
  margin: var(--space-xl) 0;
  padding-block: var(--space-md);
  border-block: var(--rule-hair) solid var(--color-rule);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

.comparison {
  margin: var(--space-xl) 0;
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

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

.comparison-row strong {
  font-family: var(--font-display);
  font-size: var(--text-md);
}

.comparison-row span {
  color: var(--color-ink-soft);
}

.chapter-nav {
  display: grid;
  gap: var(--space-lg);
  margin-block-start: var(--space-3xl);
  padding-block-start: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.chapter-nav a {
  display: inline-grid;
  gap: var(--space-2xs);
  width: fit-content;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  text-decoration-color: var(--color-accent);
  white-space: nowrap;
}

.chapter-nav a:last-child {
  justify-self: end;
  text-align: right;
}

.chapter-nav small {
  color: var(--color-muted);
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  font-weight: 400;
}

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

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

.source-list strong {
  display: block;
  margin-block-end: var(--space-xs);
  font-family: var(--font-display);
  font-size: var(--text-md);
}

.site-footer {
  background-color: var(--color-paper-sunken);
  color: var(--color-ink-soft);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.colophon {
  width: min(100% - 2rem, 76rem);
  margin-inline: auto;
  padding-block: var(--space-xl);
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  line-height: 1.75;
}

.colophon p {
  margin: 0;
}

.colophon a {
  color: var(--color-ink);
  white-space: nowrap;
}

@media (hover: hover) and (pointer: fine) {
  a:hover {
    color: var(--color-ink);
    text-decoration-color: var(--color-accent);
  }

  .nav-toggle:hover,
  .theme-toggle:hover {
    background: var(--color-accent-soft);
  }
}

@media (min-width: 40rem) {
  .mast-actions {
    position: absolute;
    inset-block-start: 0;
    inset-inline-end: 0;
  }

  .nav-toggle {
    display: none;
  }

  .mast-nav ul,
  .mast-nav.is-open ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-xs);
  }

  .reading-layout {
    grid-template-columns: minmax(8rem, 0.34fr) minmax(0, 1fr);
    gap: var(--space-2xl);
    align-items: start;
  }

  .route-rail {
    position: sticky;
    inset-block-start: var(--space-lg);
    padding-block-end: 0;
    border-block-end: 0;
  }

  .comparison-row {
    grid-template-columns: minmax(9rem, 0.45fr) minmax(0, 1fr);
    gap: var(--space-lg);
  }

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

@media (min-width: 60rem) {
  .page-frame {
    padding-block-start: var(--space-2xl);
  }

  .reading-layout {
    grid-template-columns: minmax(10rem, 0.32fr) minmax(0, 1fr);
    gap: var(--space-3xl);
  }

  .prose {
    max-width: 70ch;
  }
}

@media (pointer: coarse) {
  .mast-nav a,
  .nav-toggle,
  .theme-toggle,
  .chapter-nav a {
    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;
  }
}

@media print {
  .reading-progress,
  .mast-actions,
  .route-rail {
    display: none;
  }

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

  .reading-layout {
    display: block;
  }

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