/* Hallmark · genre: editorial · tone: academic field guide · anchor: forest 151deg · macrostructure: multi-route / multi-page field guide (home Marquee Hero · facts/cooperation Long Document · FAQ Conversational FAQ · tools Catalogue) · theme: Garden · enrichment: Tier-A CSS information diagrams · nav: N6 · footer: Ft1 · contrast: pass · slop: pass · honest: pass · chrome: pass · tokens: pass · responsive: pass · icons: pass · mobile: pass */
/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 */
@import url("/tokens.css");

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

html {
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-block-start: calc(var(--header-height) + var(--space-md));
  background: var(--color-paper);
}

body {
  margin: 0;
  min-width: 0;
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body,
button,
summary,
a {
  -webkit-tap-highlight-color: var(--color-transparent);
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration-color: var(--color-rule-strong);
  text-decoration-thickness: var(--rule-hair);
  text-underline-offset: var(--space-3xs);
}

a:hover {
  text-decoration-color: currentColor;
}

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

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

button,
summary {
  color: inherit;
  font: inherit;
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
figure,
blockquote {
  margin-block-start: 0;
}

h1,
h2,
h3 {
  min-width: 0;
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: var(--leading-heading);
  overflow-wrap: anywhere;
  text-wrap: balance;
}

h1 {
  margin-block-end: var(--space-md);
  font-size: var(--text-display-s);
}

h2 {
  margin-block-end: var(--space-md);
  font-size: var(--text-2xl);
}

h3 {
  margin-block-end: var(--space-xs);
  font-size: var(--text-lg);
}

p,
li,
dd,
td {
  text-wrap: pretty;
}

ul,
ol {
  padding-inline-start: 1.2em;
}

::selection {
  background: var(--color-accent-soft);
  color: var(--color-accent-deep);
}

:focus-visible {
  outline: var(--rule-strong) solid var(--color-focus);
  outline-offset: var(--space-3xs);
}

.skip-link {
  position: fixed;
  z-index: var(--z-tooltip);
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-dark-surface);
  color: var(--color-dark-ink);
  font-weight: 800;
  transform: translateY(-180%);
}

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

.local-candidate {
  padding: var(--space-2xs) clamp(var(--space-sm), 4vw, var(--space-xl));
  border-block-end: var(--rule-hair) solid var(--color-rule);
  background: var(--color-paper-2);
  color: var(--color-neutral);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  line-height: 1.5;
  text-align: center;
}

.site-chrome {
  position: relative;
  z-index: var(--z-raised);
  background: var(--color-paper);
}

.edge-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: var(--space-sm);
  width: min(100%, var(--content-wide));
  margin-inline: auto;
  padding-inline: clamp(var(--space-sm), 4vw, var(--space-xl));
}

.wordmark {
  display: grid;
  align-content: center;
  min-height: 2.75rem;
  min-width: 0;
  color: var(--color-ink);
  text-decoration: none;
}

.wordmark strong {
  font-family: var(--font-display);
  font-size: var(--text-md);
  line-height: 1.15;
}

.wordmark span {
  display: none;
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.header-consult,
.button,
.text-action,
.footer-links a,
.breadcrumbs a,
.page-index a,
.phone-link {
  white-space: nowrap;
}

.header-consult,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding-inline: var(--space-sm);
  border: var(--rule-hair) solid var(--color-accent);
  border-radius: var(--radius-sm);
  color: var(--color-accent-deep);
  background: var(--color-transparent);
  font-weight: 800;
  text-decoration: none;
  transition:
    background-color var(--dur-medium) var(--ease-out),
    color var(--dur-medium) var(--ease-out),
    transform var(--dur-short) var(--ease-out);
}

.button.primary {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.header-consult:active,
.button:active {
  transform: translateY(var(--rule-hair));
}

.header-consult[aria-disabled="true"],
.button[aria-disabled="true"],
.header-consult[data-state="loading"],
.button[data-state="loading"] {
  cursor: not-allowed;
  opacity: 0.55;
  pointer-events: none;
}

.header-consult[data-state="error"],
.button[data-state="error"] {
  border-color: var(--color-error);
  color: var(--color-error);
}

.header-consult[data-state="success"],
.button[data-state="success"] {
  border-color: var(--color-success);
  color: var(--color-success);
}

.button.primary[data-state="error"],
.button.primary[data-state="success"] {
  color: var(--color-accent-ink);
}

.page-index {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs) var(--space-sm);
  width: min(100%, var(--content-wide));
  margin-inline: auto;
  padding: var(--space-xs) clamp(var(--space-sm), 4vw, var(--space-xl));
  border-block: var(--rule-hair) solid var(--color-rule);
}

.page-index a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--color-neutral);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
}

.page-index a[aria-current="page"],
.page-index a[aria-current="location"] {
  color: var(--color-accent-deep);
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: var(--rule-strong);
}

.operator-note {
  width: min(100%, var(--content-wide));
  margin: 0 auto;
  padding: var(--space-xs) clamp(var(--space-sm), 4vw, var(--space-xl));
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.page-shell,
.home-section,
.hero,
.site-footer {
  width: min(100%, var(--content-wide));
  margin-inline: auto;
  padding-inline: clamp(var(--space-sm), 4vw, var(--space-xl));
}

.hero {
  display: grid;
  gap: var(--space-xl);
  padding-block: var(--space-2xl) var(--space-3xl);
}

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

.status-label,
.page-kicker {
  margin-block-end: var(--space-sm);
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}

.hero h1 {
  max-width: 13ch;
  font-size: var(--text-display);
}

.hero-lede {
  max-width: var(--content-reading);
  margin-block-end: var(--space-lg);
  color: var(--color-ink-2);
  font-size: var(--text-md);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-block: var(--space-lg) var(--space-md);
}

.text-action {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--color-accent-deep);
  font-weight: 800;
}

.micro-boundary {
  max-width: var(--content-reading);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.fact-ledger {
  align-self: stretch;
  margin: 0;
  border-block: var(--rule-strong) solid var(--color-ink);
  background: var(--color-surface);
}

.fact-ledger > div {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr);
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.fact-ledger > div:last-child {
  border-block-end: 0;
}

.fact-ledger dt {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.fact-ledger dd {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
}

.home-section {
  padding-block: var(--space-3xl);
}

.home-section.compact {
  padding-block: var(--space-2xl);
}

.section-head {
  display: grid;
  gap: var(--space-sm);
  margin-block-end: var(--space-xl);
}

.section-head > p {
  max-width: var(--content-reading);
  margin: 0;
  color: var(--color-neutral);
}

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

.course-tile {
  display: grid;
  align-content: space-between;
  min-width: 0;
  min-height: 12rem;
  padding: var(--space-md);
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.course-tile:nth-child(2),
.course-tile:nth-child(4) {
  background: var(--color-paper-2);
}

.course-tile small {
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.course-tile h3 {
  margin-block: var(--space-lg) 0;
  overflow-wrap: anywhere;
}

.course-caution {
  margin-block-start: var(--space-lg);
  padding-block: var(--space-md);
  border-block: var(--rule-hair) solid var(--color-rule);
  color: var(--color-neutral);
}

.fact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-block-start: var(--rule-strong) solid var(--color-ink);
}

.fact-grid > div {
  display: grid;
  gap: var(--space-2xs);
  padding-block: var(--space-md);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.fact-grid dt {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.fact-grid dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
}

.proof-band {
  background: var(--color-dark-surface);
  color: var(--color-dark-ink);
}

.proof-band .home-section,
.proof-band .page-shell {
  padding-block: var(--space-3xl);
}

.proof-band .section-head > p,
.proof-band .micro-boundary {
  color: var(--color-dark-muted);
}

.proof-band .text-action,
.proof-band a {
  color: var(--color-dark-ink);
  text-decoration-color: var(--color-focus-on-dark);
}

.source-compare {
  display: grid;
  gap: var(--space-lg);
  margin-block-start: var(--space-xl);
}

.source-compare article {
  padding-block-start: var(--space-md);
  border-block-start: var(--rule-hair) solid var(--color-dark-muted);
}

.source-compare h3 {
  font-family: var(--font-body);
  font-size: var(--text-md);
}

.source-compare p {
  color: var(--color-dark-muted);
}

.relation-summary {
  display: grid;
  gap: var(--space-lg);
}

.role-list {
  margin: 0;
  border-block-start: var(--rule-strong) solid var(--color-ink);
}

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

.role-list dt {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
}

.role-list dd {
  margin: 0;
  color: var(--color-neutral);
}

.faq-list {
  border-block-start: var(--rule-strong) solid var(--color-ink);
}

.faq-list details {
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.faq-list summary {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  min-height: 4rem;
  gap: var(--space-sm);
  padding-block: var(--space-sm);
  cursor: pointer;
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  color: var(--color-accent-deep);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  transition: transform var(--dur-medium) var(--ease-out);
}

.faq-list details[open] summary::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-width: var(--content-reading);
  padding-block-end: var(--space-md);
  color: var(--color-neutral);
}

.consult-panel {
  display: grid;
  gap: var(--space-xl);
  padding-block: var(--space-3xl);
  border-block: var(--rule-strong) solid var(--color-ink);
}

.consult-copy p {
  max-width: var(--content-reading);
  color: var(--color-neutral);
}

.phone-list {
  display: grid;
  gap: var(--space-sm);
  margin: 0;
}

.phone-list > div {
  display: grid;
  gap: var(--space-2xs);
  padding-block: var(--space-sm);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.phone-list dt {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.phone-list dd {
  margin: 0;
}

.phone-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: var(--text-md);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.tools-teaser,
.tool-grid {
  display: grid;
  gap: var(--space-sm);
}

.tool-card {
  display: grid;
  min-width: 0;
  gap: var(--space-sm);
  padding-block: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.tool-card p {
  max-width: var(--content-reading);
  margin: 0;
  color: var(--color-neutral);
}

.tool-card small {
  color: var(--color-muted);
  font-family: var(--font-body);
}

.page-shell {
  max-width: var(--content-narrow);
  padding-block: var(--space-2xl) var(--space-4xl);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
  margin-block-end: var(--space-xl);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.page-header {
  margin-block-end: var(--space-2xl);
  padding-block-end: var(--space-xl);
  border-block-end: var(--rule-strong) solid var(--color-ink);
}

.page-header h1 {
  max-width: 18ch;
}

.page-header .lede {
  max-width: var(--content-reading);
  margin-block-end: var(--space-md);
  color: var(--color-ink-2);
  font-size: var(--text-md);
}

.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-md);
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.prose-section {
  padding-block: var(--space-xl);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.prose-section:last-child {
  border-block-end: 0;
}

.prose-section[id="history"],
.prose-section[id="consult"] {
  padding-block: var(--space-2xl);
}

.prose-section > p,
.prose-section > ul,
.prose-section > ol,
.prose-section > blockquote {
  max-width: var(--content-reading);
}

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

.boundary-note,
.history-note,
.tool-boundary {
  margin-block: var(--space-md) 0;
  padding: var(--space-md);
  border: var(--rule-hair) solid var(--color-rule-strong);
  background: var(--color-paper-2);
  color: var(--color-neutral);
}

.history-note strong,
.boundary-note strong,
.tool-boundary strong {
  color: var(--color-ink);
}

.data-table {
  display: block;
  width: 100%;
  margin-block: var(--space-lg);
  border-block-start: var(--rule-strong) solid var(--color-ink);
  border-collapse: collapse;
}

.data-table thead {
  position: absolute;
  width: var(--rule-hair);
  height: var(--rule-hair);
  overflow: clip;
  clip-path: inset(50%);
  white-space: nowrap;
}

.data-table tbody,
.data-table tr,
.data-table td,
.data-table th {
  display: block;
}

.data-table tr {
  padding-block: var(--space-md);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.data-table td {
  padding-block: var(--space-2xs);
  color: var(--color-neutral);
  vertical-align: top;
}

.data-table td::before {
  display: block;
  margin-block-end: var(--space-3xs);
  content: attr(data-label);
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: var(--text-xs);
}

.data-table td:first-child {
  color: var(--color-ink);
  font-family: var(--font-display);
  font-weight: 700;
}

.site-footer-wrap {
  border-block-start: var(--rule-strong) solid var(--color-ink);
  background: var(--color-paper-2);
}

.site-footer {
  display: grid;
  gap: var(--space-md);
  padding-block: var(--space-xl);
  color: var(--color-neutral);
  font-family: var(--font-body);
  font-size: var(--text-xs);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs) var(--space-md);
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
}

.police-link img {
  width: 1.25rem;
  height: 1.25rem;
  margin-inline-end: var(--space-2xs);
}

@media (hover: hover) and (pointer: fine) {
  .header-consult:hover,
  .button:hover {
    background: var(--color-accent);
    color: var(--color-accent-ink);
    transform: translateY(calc(var(--rule-hair) * -1));
  }

  .button.primary:hover {
    background: var(--color-accent-deep);
  }

  .page-index a:hover,
  .text-action:hover,
  .phone-link:hover {
    color: var(--color-accent);
  }

  .faq-list summary:hover {
    color: var(--color-accent-deep);
  }
}

@media (min-width: 40rem) {
  .wordmark span {
    display: block;
  }

  .course-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .course-tile:nth-child(1) {
    grid-row: span 2;
    min-height: 25rem;
  }

  .course-tile:nth-child(2) {
    grid-column: span 1;
  }

  .course-tile:nth-child(4) {
    grid-column: span 2;
  }

  .fact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fact-grid > div:nth-child(odd) {
    padding-inline-end: var(--space-md);
  }

  .fact-grid > div:nth-child(even) {
    padding-inline-start: var(--space-md);
    border-inline-start: var(--rule-hair) solid var(--color-rule);
  }

  .source-compare,
  .tools-teaser,
  .tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .role-list > div {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 2fr);
  }

  .consult-panel {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .site-footer {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: end;
  }

  .footer-links {
    justify-content: flex-end;
  }
}

@media (min-width: 60rem) {
  .hero {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.8fr);
    align-items: center;
    gap: var(--space-3xl);
    padding-block: var(--space-md) var(--space-lg);
  }

  .section-head {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .course-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-rows: minmax(12rem, auto);
  }

  .course-tile:nth-child(1) {
    grid-column: span 2;
    grid-row: span 2;
  }

  .course-tile:nth-child(2) {
    grid-column: span 2;
  }

  .course-tile:nth-child(4) {
    grid-column: span 2;
  }

  .fact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .fact-grid > div,
  .fact-grid > div:nth-child(odd),
  .fact-grid > div:nth-child(even) {
    padding-inline: var(--space-md);
    border-inline-start: var(--rule-hair) solid var(--color-rule);
  }

  .fact-grid > div:nth-child(3n + 1) {
    padding-inline-start: 0;
    border-inline-start: 0;
  }

  .page-shell {
    padding-inline: var(--space-xl);
    padding-block-start: var(--space-lg);
  }

  .breadcrumbs {
    margin-block-end: var(--space-md);
  }

  .page-header {
    margin-block-end: var(--space-xl);
    padding-block-end: var(--space-lg);
  }

  .page-header h1 {
    max-width: 26ch;
    font-size: clamp(var(--text-2xl), 4.5vw, var(--text-display-s));
  }

  .data-table {
    display: table;
  }

  .data-table thead {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip-path: none;
    white-space: normal;
  }

  .data-table tbody {
    display: table-row-group;
  }

  .data-table tr {
    display: table-row;
    padding: 0;
  }

  .data-table th,
  .data-table td {
    display: table-cell;
    padding: var(--space-sm);
    border-block-end: var(--rule-hair) solid var(--color-rule);
    text-align: start;
  }

  .data-table th {
    color: var(--color-muted);
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 600;
  }

  .data-table td::before {
    display: none;
  }
}

@media (min-width: 90rem) {
  .hero,
  .home-section {
    padding-inline: 0;
  }
}

@media (pointer: coarse) {
  .header-consult,
  .button,
  .text-action,
  .page-index a,
  .phone-link,
  .footer-links a,
  .faq-list summary {
    min-height: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: var(--dur-short) !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: var(--dur-short) !important;
  }

  .header-consult:hover,
  .button:hover,
  .faq-list summary::after {
    transform: none;
  }
}

/*
 * Course archive visual system · 2026-08-21
 * Append-only compatibility layer for the multi-page academic field guide.
 * The visual grammar uses paper, rules and tabular data rather than card chrome.
 */

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

:where(h1, h2, h3, h4, p, li, dt, dd, th, td, a, summary) {
  min-width: 0;
}

:where(h1, h2, h3, h4, .display-title, .footer-wordmark) {
  overflow-wrap: anywhere;
}

.site-chrome {
  position: relative;
  inset-block-start: auto;
  border-block-end: 0;
  box-shadow: none;
}

.mast-identity {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
  width: min(100%, var(--content-wide));
  min-height: 7.5rem;
  margin-inline: auto;
  padding: var(--space-lg) clamp(var(--space-sm), 4vw, var(--space-xl)) var(--space-md);
}

.mast-identity .wordmark {
  align-self: end;
  max-width: 38rem;
}

.mast-identity .wordmark strong,
.footer-wordmark {
  font-size: clamp(var(--text-xl), 4.2vw, var(--text-3xl));
  letter-spacing: -0.035em;
}

.mast-identity .wordmark span {
  display: block;
  margin-block-start: var(--space-2xs);
  color: var(--color-neutral);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0;
}

.mast-meta {
  order: -1;
  margin: 0 0 var(--space-xs);
  color: var(--color-signal-deep);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.mast-rule {
  position: relative;
  width: min(calc(100% - (2 * clamp(var(--space-sm), 4vw, var(--space-xl)))), calc(var(--content-wide) - (2 * clamp(var(--space-sm), 4vw, var(--space-xl)))));
  height: var(--rule-strong);
  margin-inline: auto;
  background: var(--color-ink);
}

.mast-rule::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: clamp(3rem, 9vw, 7rem);
  content: "";
  background: var(--color-signal);
}

.page-index {
  display: none;
  border-block: 0;
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.page-index a {
  position: relative;
  min-height: 2.75rem;
  font-family: var(--font-body);
}

.page-index a[aria-current="page"],
.page-index a[aria-current="location"] {
  text-decoration: none;
}

.page-index a[aria-current="page"]::after,
.page-index a[aria-current="location"]::after {
  position: absolute;
  inset: auto 0 calc(var(--space-xs) * -1) 0;
  height: var(--rule-strong);
  content: "";
  background: var(--color-accent);
}

.mobile-nav {
  width: min(100%, var(--content-wide));
  margin-inline: auto;
  padding-inline: clamp(var(--space-sm), 4vw, var(--space-xl));
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.mobile-nav summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3rem;
  cursor: pointer;
  color: var(--color-accent-deep);
  font-size: var(--text-sm);
  font-weight: 800;
  list-style: none;
  white-space: nowrap;
}

.mobile-nav summary::-webkit-details-marker {
  display: none;
}

.mobile-nav summary::after {
  content: "+";
  color: var(--color-signal-deep);
  font-size: var(--text-md);
}

.mobile-nav[open] summary::after {
  content: "−";
}

.mobile-nav nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding-block: var(--space-xs) var(--space-md);
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.mobile-nav nav a {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  padding-inline-end: var(--space-xs);
  color: var(--color-neutral);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.mobile-nav nav a[aria-current="page"],
.mobile-nav nav a[aria-current="location"] {
  color: var(--color-accent-deep);
  text-decoration: underline;
  text-decoration-color: var(--color-signal);
  text-decoration-thickness: var(--rule-strong);
}

.operator-note {
  padding-block: var(--space-sm);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

/* Home · Marquee Hero and course atlas */

.course-atlas {
  display: grid;
  width: min(100%, var(--content-wide));
  margin-inline: auto;
  padding: var(--space-2xl) clamp(var(--space-sm), 4vw, var(--space-xl));
  border-block-end: var(--rule-strong) solid var(--color-ink);
}

.course-atlas > * {
  min-width: 0;
}

.course-atlas :where(h1, .display-title) {
  max-width: 13ch;
  margin-block-end: var(--space-md);
  font-size: var(--text-display-s);
  letter-spacing: -0.045em;
}

.course-atlas :where(.lede, .hero-lede) {
  max-width: var(--content-reading);
  color: var(--color-ink-2);
  font-size: var(--text-md);
}

.course-register,
.course-constellation {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: var(--space-xl) 0 0;
  padding: 0;
  border-block-start: var(--rule-strong) solid var(--color-ink);
  list-style: none;
}

.course-register > *,
.course-constellation > * {
  display: grid;
  align-content: space-between;
  min-width: 0;
  min-height: 9rem;
  gap: var(--space-lg);
  padding: var(--space-md) 0;
  border-block-end: var(--rule-hair) solid var(--color-rule);
  background: var(--color-transparent);
}

.course-register :where(h2, h3),
.course-constellation :where(h2, h3) {
  margin: 0;
  font-size: var(--text-md);
}

.course-register :where(small, .course-code),
.course-constellation :where(small, .course-code) {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.fact-stamp-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-block-start: var(--space-xl);
  border-block-start: var(--rule-strong) solid var(--color-ink);
}

.fact-stamp {
  min-width: 0;
  padding: var(--space-sm) var(--space-xs) var(--space-md) 0;
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.fact-stamp:nth-child(even) {
  padding-inline: var(--space-xs) 0;
  border-inline-start: var(--rule-hair) solid var(--color-rule);
}

.fact-stamp :where(dt, small, .label) {
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: var(--text-xs);
}

.fact-stamp :where(dd, strong, .value) {
  display: block;
  margin: var(--space-xs) 0 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  line-height: var(--leading-heading);
}

.source-timeline {
  position: relative;
  display: grid;
  gap: 0;
  margin: var(--space-xl) 0 0;
  padding: 0;
  border-block-start: var(--rule-strong) solid currentColor;
  list-style: none;
}

.source-timeline > * {
  position: relative;
  display: grid;
  grid-template-columns: minmax(4.5rem, 0.3fr) minmax(0, 1.7fr);
  gap: var(--space-md);
  padding-block: var(--space-md);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.proof-band .source-timeline > * {
  border-color: var(--color-dark-muted);
}

.source-timeline :where(time, .source-date, small) {
  color: var(--color-history);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.proof-band .source-timeline :where(time, .source-date, small) {
  color: var(--color-focus-on-dark);
}

.source-timeline :where(h3, strong) {
  font-family: var(--font-display);
}

.source-timeline :where(p, dd) {
  margin: var(--space-2xs) 0 0;
}

.relationship-map {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: var(--space-xl) 0 0;
  border-block: var(--rule-strong) solid var(--color-ink);
}

.relationship-map > * {
  min-width: 0;
  padding-block: var(--space-lg);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.relationship-map > *:last-child {
  border-block-end: 0;
}

.relationship-map :where(dt, h3) {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
}

.relationship-map :where(dd, p) {
  margin: 0;
  color: var(--color-neutral);
}

.boundary-matrix {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-block: var(--space-xl);
  border-block-start: var(--rule-strong) solid var(--color-ink);
}

.boundary-matrix > * {
  min-width: 0;
  padding-block: var(--space-lg);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.boundary-matrix > *:last-child {
  background: var(--color-boundary-soft);
  box-shadow: inset var(--rule-strong) 0 0 var(--color-boundary);
  padding-inline: var(--space-md);
}

.boundary-matrix :where(h3, dt) {
  margin-block-end: var(--space-sm);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
}

.scope-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: var(--space-lg) 0 0;
  padding: 0;
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
  list-style: none;
}

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

.candidate-gate,
.privacy-reminder,
.tool-separation-banner,
.course-return {
  margin-block: var(--space-xl);
  padding: var(--space-md) var(--space-md) var(--space-md) var(--space-lg);
  border: 0;
  border-inline-start: var(--rule-strong) solid var(--color-boundary);
  border-radius: 0;
  background: var(--color-boundary-soft);
  color: var(--color-neutral);
}

.candidate-gate :where(h2, h3, strong),
.privacy-reminder :where(h2, h3, strong),
.tool-separation-banner :where(h2, h3, strong),
.course-return :where(h2, h3, strong) {
  color: var(--color-ink);
}

.consult-rail {
  display: grid;
  gap: var(--space-xl);
  width: min(100%, var(--content-wide));
  margin-inline: auto;
  padding: var(--space-2xl) clamp(var(--space-sm), 4vw, var(--space-xl));
  border-block: var(--rule-strong) solid var(--color-ink);
}

.consult-rail :where(h2, h3) {
  max-width: 16ch;
}

.consult-rail .phone-list {
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.tool-annex {
  width: min(100%, var(--content-wide));
  margin-inline: auto;
  padding: var(--space-2xl) clamp(var(--space-sm), 4vw, var(--space-xl));
  background: var(--color-paper-2);
  border-block-end: var(--rule-strong) solid var(--color-ink);
}

.tool-annex :where(.tool-grid, .tools-teaser) {
  margin-block-start: var(--space-lg);
}

/* Facts and cooperation · long document */

.longform-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: var(--space-xl);
  width: 100%;
}

.local-index {
  min-width: 0;
  padding-block: var(--space-sm);
  border-block: var(--rule-strong) solid var(--color-ink);
}

.local-index :where(h2, h3, .index-title) {
  margin-block-end: var(--space-sm);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
}

.local-index :where(ul, ol) {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.local-index a {
  display: flex;
  align-items: center;
  min-height: 2.75rem;
  border-block-end: var(--rule-hair) solid var(--color-rule);
  color: var(--color-neutral);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.local-index li:last-child a {
  border-block-end: 0;
}

.longform-content {
  min-width: 0;
}

.course-dossier-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-block-start: var(--rule-strong) solid var(--color-ink);
}

.course-dossier-grid > * {
  display: grid;
  align-content: space-between;
  min-width: 0;
  min-height: 12rem;
  gap: var(--space-xl);
  padding-block: var(--space-lg);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.course-dossier-grid :where(h2, h3) {
  margin: 0;
  font-size: var(--text-md);
}

.course-dossier-grid :where(small, .dossier-code) {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.fact-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-block: var(--space-xl);
  border-block-start: var(--rule-strong) solid var(--color-ink);
}

.fact-detail-grid > * {
  min-width: 0;
  padding-block: var(--space-lg);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.fact-detail-grid :where(h2, h3) {
  margin-block-end: var(--space-md);
  font-size: var(--text-md);
}

.fact-detail-grid :where(dl, ul, ol) {
  margin-block-end: 0;
}

.history-note {
  border: 0;
  border-inline-start: var(--rule-strong) solid var(--color-history);
  border-radius: 0;
  background: var(--color-history-soft);
  color: var(--color-signal-ink);
}

.boundary-note,
.tool-boundary {
  border: 0;
  border-inline-start: var(--rule-strong) solid var(--color-boundary);
  border-radius: 0;
  background: var(--color-boundary-soft);
}

/* FAQ · conversational directory */

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: var(--space-xl);
}

.faq-directory {
  padding-block: var(--space-sm);
  border-block: var(--rule-strong) solid var(--color-ink);
}

.faq-directory :where(h2, h3, .index-title) {
  margin-block-end: var(--space-sm);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
}

.faq-directory :where(ul, ol) {
  margin: 0;
  padding: 0;
  list-style: none;
}

.faq-directory a {
  display: flex;
  align-items: center;
  min-height: 2.75rem;
  border-block-end: var(--rule-hair) solid var(--color-rule);
  color: var(--color-neutral);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.faq-directory li:last-child a {
  border-block-end: 0;
}

.faq-topic-group {
  padding-block: 0 var(--space-2xl);
}

.faq-topic-group + .faq-topic-group {
  padding-block-start: var(--space-xl);
  border-block-start: var(--rule-strong) solid var(--color-ink);
}

.faq-topic-group > h2 {
  max-width: 20ch;
  margin-block-end: var(--space-md);
}

.faq-topic-group .faq-list {
  margin-block-start: var(--space-lg);
}

.faq-topic-group .faq-list summary {
  min-height: 4.25rem;
}

/* Tools · editorial catalogue */

.tool-separation-banner {
  border-inline-start-color: var(--color-signal);
  background: var(--color-history-soft);
}

.tool-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-block-start: var(--rule-strong) solid var(--color-ink);
}

.tool-showcase > * {
  display: grid;
  align-content: start;
  min-width: 0;
  gap: var(--space-md);
  padding-block: var(--space-xl);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.tool-showcase > * :where(h2, h3) {
  max-width: 18ch;
  font-size: var(--text-xl);
}

.tool-status-rail {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: var(--space-sm) 0 0;
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.tool-status-rail > * {
  display: grid;
  grid-template-columns: minmax(5rem, 0.8fr) minmax(0, 1.2fr);
  gap: var(--space-sm);
  padding-block: var(--space-sm);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.tool-status-rail dt {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.tool-status-rail dd {
  margin: 0;
  color: var(--color-ink);
  font-weight: 700;
}

.course-return {
  border-inline-start-color: var(--color-accent);
  background: var(--color-accent-soft);
}

/* Ft1 · mast-headed footer */

.site-footer-wrap {
  border-block-start: 0;
  background: var(--color-dark-surface);
}

.site-footer {
  gap: var(--space-xl);
  padding-block: var(--space-2xl) var(--space-lg);
  color: var(--color-dark-muted);
}

.footer-mast {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md);
  padding-block-end: var(--space-xl);
  border-block-end: var(--rule-hair) solid var(--color-dark-muted);
}

.footer-mast > * {
  min-width: 0;
}

.footer-wordmark {
  margin: 0;
  color: var(--color-dark-ink);
  font-family: var(--font-display);
  line-height: var(--leading-tight);
}

.footer-mast p:not(.footer-wordmark),
.footer-disclaimer {
  max-width: var(--content-reading);
  margin: 0;
}

.site-footer a {
  color: var(--color-dark-ink);
  text-decoration-color: var(--color-dark-muted);
}

.site-footer .footer-links {
  justify-content: flex-start;
}

@media (hover: hover) and (pointer: fine) {
  .mobile-nav nav a:hover,
  .local-index a:hover,
  .faq-directory a:hover {
    color: var(--color-accent-deep);
    background: var(--color-paper-2);
  }

  .course-register > *:hover,
  .course-constellation > *:hover,
  .course-dossier-grid > *:hover,
  .tool-showcase > *:hover {
    background: var(--color-surface);
  }
}

@media (min-width: 40rem) {
  .mast-identity {
    grid-template-columns: minmax(0, 1.6fr) minmax(10rem, 0.4fr);
    gap: var(--space-xl);
  }

  .mast-meta {
    order: 0;
    align-self: end;
    justify-self: end;
    margin: 0;
    text-align: end;
  }

  .course-register,
  .course-constellation,
  .course-dossier-grid,
  .tool-showcase {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .course-register > *,
  .course-constellation > *,
  .course-dossier-grid > *,
  .tool-showcase > * {
    padding-inline: var(--space-md);
  }

  .course-register > *:nth-child(odd),
  .course-constellation > *:nth-child(odd),
  .course-dossier-grid > *:nth-child(odd),
  .tool-showcase > *:nth-child(odd) {
    padding-inline-start: 0;
  }

  .course-register > *:nth-child(even),
  .course-constellation > *:nth-child(even),
  .course-dossier-grid > *:nth-child(even),
  .tool-showcase > *:nth-child(even) {
    padding-inline-end: 0;
    border-inline-start: var(--rule-hair) solid var(--color-rule);
  }

  .relationship-map,
  .boundary-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .relationship-map > *,
  .boundary-matrix > * {
    padding-inline: var(--space-lg);
    border-block-end: 0;
  }

  .relationship-map > *:first-child,
  .boundary-matrix > *:first-child {
    padding-inline-start: 0;
  }

  .relationship-map > * + *,
  .boundary-matrix > * + * {
    border-inline-start: var(--rule-hair) solid var(--color-rule);
  }

  .relationship-map > *:last-child,
  .boundary-matrix > *:last-child {
    padding-inline-end: 0;
  }

  .boundary-matrix > *:last-child {
    padding-inline-start: var(--space-xl);
    box-shadow: inset var(--rule-strong) 0 0 var(--color-boundary);
  }

  .scope-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .scope-list > li {
    padding-inline: var(--space-md);
  }

  .scope-list > li:first-child {
    padding-inline-start: 0;
  }

  .scope-list > li + li {
    border-inline-start: var(--rule-hair) solid var(--color-rule);
  }

  .fact-detail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fact-detail-grid > * {
    padding-inline: var(--space-md);
  }

  .fact-detail-grid > *:nth-child(odd) {
    padding-inline-start: 0;
  }

  .fact-detail-grid > *:nth-child(even) {
    padding-inline-end: 0;
    border-inline-start: var(--rule-hair) solid var(--color-rule);
  }

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

  .footer-mast {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: end;
  }
}

@media (min-width: 48rem) {
  .page-index {
    display: flex;
  }

  .mobile-nav {
    display: none;
  }
}

@media (min-width: 60rem) {
  .mast-identity {
    min-height: 7.25rem;
  }

  .course-atlas {
    grid-template-columns: minmax(0, 0.9fr) minmax(30rem, 1.1fr);
    align-items: start;
    gap: var(--space-3xl);
    padding-block: var(--space-xl) var(--space-2xl);
  }

  .page-shell {
    padding-block-start: var(--space-2xs);
  }

  .page-header h1 {
    font-size: clamp(var(--text-2xl), 3.8vw, var(--text-3xl));
    line-height: 1.12;
  }

  .page-header {
    padding-block-end: var(--space-md);
  }

  .course-atlas > :first-child {
    position: sticky;
    inset-block-start: var(--space-lg);
  }

  .course-atlas .course-register,
  .course-atlas .course-constellation,
  .course-atlas .fact-stamp-grid {
    margin-block-start: 0;
  }

  .fact-stamp-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .fact-stamp,
  .fact-stamp:nth-child(even) {
    padding-inline: var(--space-md);
    border-inline-start: var(--rule-hair) solid var(--color-rule);
  }

  .fact-stamp:nth-child(3n + 1) {
    padding-inline-start: 0;
    border-inline-start: 0;
  }

  .fact-stamp:nth-child(3n) {
    padding-inline-end: 0;
  }

  .longform-layout,
  .faq-layout {
    grid-template-columns: minmax(11rem, 0.28fr) minmax(0, 1.72fr);
    gap: var(--space-3xl);
  }

  .local-index,
  .faq-directory {
    position: sticky;
    inset-block-start: var(--space-lg);
  }

  .source-timeline > * {
    grid-template-columns: minmax(7rem, 0.35fr) minmax(0, 1.65fr);
  }

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

@media (max-width: 24rem) {
  .mobile-nav nav {
    grid-template-columns: minmax(0, 1fr);
  }

  .source-timeline > *,
  .tool-status-rail > * {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-xs);
  }

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

  .fact-stamp,
  .fact-stamp:nth-child(even) {
    padding-inline: 0;
    border-inline-start: 0;
  }
}

@media (pointer: coarse) {
  .mobile-nav summary,
  .mobile-nav nav a,
  .local-index a,
  .faq-directory a {
    min-height: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .course-atlas > :first-child,
  .local-index,
  .faq-directory {
    position: static;
  }
}

/* Markup alignment and narrow-desktop safeguards. */

.page-shell {
  max-width: var(--content-wide);
}

.mast-identity {
  grid-template-areas:
    "brand"
    "folio";
}

.mast-identity .wordmark {
  grid-area: brand;
}

.mast-meta,
.mast-folio {
  grid-area: folio;
  margin: var(--space-xs) 0 0;
  color: var(--color-signal-deep);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.mobile-nav-links,
.mobile-nav nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding-block: var(--space-xs) var(--space-md);
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.mobile-nav-links a,
.mobile-nav nav a {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  padding-inline-end: var(--space-xs);
  color: var(--color-neutral);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.mobile-nav-links a[aria-current="page"],
.mobile-nav-links a[aria-current="location"] {
  color: var(--color-accent-deep);
  text-decoration: underline;
  text-decoration-color: var(--color-signal);
  text-decoration-thickness: var(--rule-strong);
}

.atlas-label,
.atlas-date,
.section-number {
  color: var(--color-signal-deep);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.atlas-label {
  padding-block-end: var(--space-sm);
  border-block-end: var(--rule-hair) solid var(--color-rule-strong);
}

.atlas-date {
  margin: var(--space-md) 0 0;
  text-align: end;
}

.course-register > * > span:first-child,
.course-constellation > * > span:first-child {
  color: var(--color-signal-deep);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.tool-annex {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  padding-inline: var(--space-md);
}

.tool-annex > * {
  min-width: 0;
  padding-block: var(--space-lg);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.tool-annex > *:last-child {
  border-block-end: 0;
}

.tool-annex :where(small, .annex-label) {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.tool-annex :where(h2, h3) {
  margin-block: var(--space-lg) var(--space-sm);
  font-size: var(--text-lg);
}

.tool-annex p {
  max-width: var(--content-reading);
  margin: 0;
  color: var(--color-neutral);
}

p.tool-status-rail {
  display: block;
  margin: 0;
  padding-block: var(--space-xs);
  border-block: var(--rule-hair) solid var(--color-rule-strong);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.footer-rule {
  grid-column: 1 / -1;
  height: var(--rule-hair);
  background: var(--color-dark-muted);
}

@media (hover: hover) and (pointer: fine) {
  .mobile-nav-links a:hover {
    color: var(--color-accent-deep);
    background: var(--color-paper-2);
  }
}

@media (min-width: 40rem) {
  .mast-identity {
    grid-template-areas: "brand folio";
  }

  .mast-meta,
  .mast-folio {
    align-self: end;
    justify-self: end;
    margin: 0;
    text-align: end;
  }

  .tool-annex {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tool-annex > * {
    padding-inline: var(--space-lg);
    border-block-end: 0;
  }

  .tool-annex > *:first-child {
    padding-inline-start: 0;
  }

  .tool-annex > * + * {
    padding-inline-end: 0;
    border-inline-start: var(--rule-hair) solid var(--color-rule);
  }
}

@media (min-width: 40rem) and (max-width: 79.99rem) {
  .fact-detail-grid,
  .relationship-map {
    grid-template-columns: minmax(0, 1fr);
  }

  .fact-detail-grid > *,
  .fact-detail-grid > *:nth-child(odd),
  .fact-detail-grid > *:nth-child(even),
  .relationship-map > * {
    padding-inline: 0;
    border-inline-start: 0;
  }

  .relationship-map > * {
    border-block-end: var(--rule-hair) solid var(--color-rule);
  }

  .relationship-map > *:last-child {
    border-block-end: 0;
  }
}

@media (min-width: 60rem) {
  .relationship-map {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .relationship-map > * {
    padding-inline: var(--space-lg);
    border-block-end: 0;
  }

  .relationship-map > *:first-child {
    padding-inline-start: 0;
  }

  .relationship-map > * + * {
    border-inline-start: var(--rule-hair) solid var(--color-rule);
  }

  .relationship-map > *:last-child {
    padding-inline-end: 0;
  }
}

@media (min-width: 80rem) {
  .fact-detail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 24rem) {
  .mobile-nav-links,
  .mobile-nav nav {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 39.99rem) {
  .mast-identity {
    min-height: 0;
    padding-block: var(--space-md) var(--space-sm);
  }

  .page-shell {
    padding-block-start: var(--space-lg);
  }

  .page-header h1 {
    font-size: clamp(var(--text-xl), 9vw, var(--text-2xl));
    letter-spacing: -0.025em;
    text-wrap: pretty;
  }
}