@font-face {
  font-family: 'PT Serif';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/pt-serif-400-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'PT Serif';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/pt-serif-400-italic.woff2') format('woff2');
}
@font-face {
  font-family: 'PT Serif';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/fonts/pt-serif-700-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Commissioner';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/fonts/commissioner-variable-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Courier Prime';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/courier-prime-400-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Courier Prime';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/courier-prime-400-italic.woff2') format('woff2');
}
@font-face {
  font-family: 'Courier Prime';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/fonts/courier-prime-700-normal.woff2') format('woff2');
}

:root {
  --geo-canvas: #F6F3EC;
  --geo-surface-alt: #EAE4D7;
  --geo-surface: #FCFBF8;
  --geo-ink: #1A2026;
  --geo-ink-muted: #4B5560;
  --geo-vermilion: #B83227;
  --geo-vermilion-soft: #F7E5E3;
  --geo-teal: #145C68;
  --geo-teal-soft: #E1EFF1;
  --geo-safe: #1F6E43;
  --geo-safe-soft: #E3F2E9;
  --geo-warn: #A8540A;
  --geo-warn-soft: #FAF0E1;
  --geo-rule: #CFC7B6;
  --geo-rule-strong: #1A2026;

  --font-display: 'PT Serif', Georgia, serif;
  --font-sans: 'Commissioner', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Courier Prime', ui-monospace, SFMono-Regular, monospace;

  --editorial-width: 76rem;
  --content-width: 49rem;
  --rail-width: 18.5rem;
  --container-pad: 1.25rem;
}

@media (min-width: 768px) {
  :root {
    --container-pad: 2.25rem;
  }
}

@media (min-width: 1280px) {
  :root {
    --container-pad: 3rem;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--geo-canvas);
  background-image: radial-gradient(circle at 18% 12%, rgba(20, 92, 104, 0.04) 0, transparent 42%),
    repeating-linear-gradient(0deg, transparent, transparent 47px, rgba(26, 32, 38, 0.025) 48px);
  color: var(--geo-ink);
  font-family: var(--font-sans);
  font-size: 1.03125rem;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--geo-ink);
  color: var(--geo-surface);
  padding: 0.65rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  z-index: 1000;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.geo-container {
  width: 100%;
  max-width: var(--editorial-width);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

a {
  color: var(--geo-teal);
  text-underline-offset: 3px;
}
a:hover {
  color: var(--geo-vermilion);
}
:focus-visible {
  outline: 2px solid var(--geo-vermilion);
  outline-offset: 2px;
}

/* Header & Navigation */
.geo-header {
  border-bottom: 2px solid var(--geo-ink);
  background: var(--geo-canvas);
}

.geo-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding-block: 0.9rem;
  flex-wrap: wrap;
}

.geo-brand {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--geo-ink);
}

.geo-brand-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.geo-brand-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--geo-teal);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.geo-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.05rem;
  align-items: center;
}

.geo-nav a {
  color: var(--geo-ink);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding-block: 0.2rem;
  border-bottom: 2px solid transparent;
  transition: border-color 140ms ease, color 140ms ease;
}

.geo-nav a:hover,
.geo-nav a.is-current {
  color: var(--geo-vermilion);
  border-bottom-color: var(--geo-vermilion);
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--geo-ink);
  margin-top: 0;
  letter-spacing: -0.024em;
  line-height: 1.16;
}

h1 {
  font-size: clamp(1.95rem, 3.4vw, 2.75rem);
  margin-bottom: 0.9rem;
}

h2 {
  font-size: clamp(1.38rem, 2.2vw, 1.82rem);
  margin-top: 2.25rem;
  margin-bottom: 0.8rem;
  padding-top: 0.4rem;
}

h3 {
  font-size: 1.18rem;
  margin-top: 1.5rem;
  margin-bottom: 0.55rem;
}

.geo-kicker {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--geo-teal);
  margin-bottom: 0.45rem;
}

.geo-dek {
  font-size: 1.12rem;
  color: var(--geo-ink-muted);
  max-width: 56ch;
  margin: 0 0 1.15rem;
}

.geo-byline {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--geo-ink-muted);
  border-top: 1px solid var(--geo-rule);
  border-bottom: 1px solid var(--geo-rule);
  padding-block: 0.45rem;
  margin-bottom: 1.35rem;
}

.small {
  font-size: 0.875rem;
  color: var(--geo-ink-muted);
}

.geo-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* Answer Capsule (GEO Link-Free Summary) */
.geo-capsule-wrap {
  margin-block: 1.1rem 1.45rem;
}

.geo-capsule-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--geo-vermilion);
  margin-bottom: 0.35rem;
}

.answer-box {
  background: var(--geo-surface-alt);
  border-left: 3px solid var(--geo-vermilion);
  padding: 0.95rem 1.15rem;
  font-size: 0.98rem;
  line-height: 1.62;
  color: var(--geo-ink);
}

/* Home Asymmetric Cartographic Split Hero */
.geo-split-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.24fr) minmax(0, 0.96fr);
  gap: 2.25rem;
  padding-block: 2.15rem;
  border-bottom: 1px solid var(--geo-rule);
  align-items: start;
}

.geo-map-frame {
  background: var(--geo-surface);
  border: 1px solid var(--geo-rule);
  border-top: 3px solid var(--geo-teal);
  padding: 1.15rem;
}

.geo-map-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.geo-map-coords {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--geo-teal);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.geo-map-legend {
  display: flex;
  gap: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--geo-ink-muted);
}

.geo-svg {
  width: 100%;
  height: auto;
  display: block;
}

.geo-map-readout {
  margin-top: 0.85rem;
  padding: 0.75rem 0.9rem;
  background: var(--geo-surface-alt);
  border-left: 3px solid var(--geo-teal);
  font-size: 0.9rem;
}

.geo-map-node {
  cursor: pointer;
}

/* Timeline Rail inside Hero & Inner Stepper */
.geo-tl-rail {
  margin-top: 1rem;
  display: grid;
  gap: 0.85rem;
}

.geo-tl-item {
  border-left: 2px solid var(--geo-teal);
  padding-left: 0.95rem;
}

.geo-tl-item.is-alert {
  border-left-color: var(--geo-vermilion);
}

.geo-tl-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--geo-vermilion);
  letter-spacing: 0.04em;
}

.geo-tl-title {
  font-weight: 700;
  font-size: 0.96rem;
  margin-block: 0.1rem;
}

/* Interactive Workbench (Zero Native Select) */
.geo-workbench {
  background: var(--geo-surface);
  border: 1px solid var(--geo-rule);
  border-top: 3px solid var(--geo-teal);
  padding: 1.5rem;
  margin-block: 2rem;
}

.geo-wb-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 1.75rem;
  align-items: start;
}

.geo-ctrl-group {
  margin-bottom: 1.15rem;
}

.geo-ctrl-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--geo-ink);
  margin-bottom: 0.45rem;
}

.geo-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.geo-pill {
  appearance: none;
  border: 1px solid var(--geo-ink);
  background: var(--geo-canvas);
  color: var(--geo-ink);
  font-family: var(--font-sans);
  font-size: 0.86rem;
  font-weight: 600;
  padding: 0.5rem 0.85rem;
  min-height: 44px;
  cursor: pointer;
  transition: background-color 120ms ease, color 120ms ease, border-color 120ms ease;
}

.geo-pill:hover {
  border-color: var(--geo-teal);
  background: var(--geo-teal-soft);
}

.geo-pill.is-active {
  background: var(--geo-teal);
  color: #FFFFFF;
  border-color: var(--geo-teal);
}

.geo-stepper-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.geo-stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--geo-ink);
  background: var(--geo-canvas);
}

.geo-step-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--geo-ink);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  width: 44px;
  height: 44px;
  cursor: pointer;
}

.geo-step-btn:hover {
  background: var(--geo-surface-alt);
}

.geo-step-val {
  min-width: 5.5rem;
  text-align: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.92rem;
  padding-inline: 0.5rem;
  font-variant-numeric: tabular-nums;
}

.geo-readout {
  background: var(--geo-surface-alt);
  border-left: 4px solid var(--geo-teal);
  padding: 1.15rem 1.25rem;
}

.geo-readout.is-safe {
  background: var(--geo-safe-soft);
  border-left-color: var(--geo-safe);
}

.geo-readout.is-urgent {
  background: var(--geo-warn-soft);
  border-left-color: var(--geo-warn);
}

.geo-readout.is-critical {
  background: var(--geo-vermilion-soft);
  border-left-color: var(--geo-vermilion);
}

.geo-tier-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  background: var(--geo-ink);
  color: #FFFFFF;
  margin-bottom: 0.65rem;
}

.geo-metrics-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-block: 0.95rem;
  padding-block: 0.75rem;
  border-top: 1px solid var(--geo-rule);
  border-bottom: 1px solid var(--geo-rule);
}

.geo-metric-k {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--geo-ink-muted);
  text-transform: uppercase;
}

.geo-metric-v {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--geo-ink);
  font-variant-numeric: tabular-nums;
}

/* Two-Column GuideLayout & Sticky Rail */
.geo-guide-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--rail-width);
  gap: 3rem;
  padding-block: 2rem;
  align-items: start;
}

.geo-prose {
  min-width: 0;
  max-width: var(--content-width);
}

.geo-rail {
  background: var(--geo-surface-alt);
  border-top: 3px solid var(--geo-vermilion);
  padding: 1.15rem;
  position: sticky;
  top: 1.25rem;
}

.geo-rail-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--geo-teal);
  margin: 0 0 0.65rem;
}

.geo-toc-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: grid;
  gap: 0.45rem;
  font-size: 0.88rem;
}

.geo-toc-list a {
  color: var(--geo-ink);
  text-decoration: none;
}

.geo-toc-list a:hover {
  color: var(--geo-vermilion);
}

.geo-rail-sep {
  border: 0;
  border-top: 1px solid var(--geo-rule);
  margin: 0.9rem 0;
}

/* Booktabs 3-Line Tables (Strict CSS Defense) */
.table-responsive-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-block: 1.35rem;
}

.geo-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  border-top: 2px solid var(--geo-rule-strong);
  border-bottom: 2px solid var(--geo-rule-strong);
  font-size: 0.9rem;
  line-height: 1.48;
  font-variant-numeric: tabular-nums;
}

.geo-table thead th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--geo-ink);
  background: var(--geo-surface-alt);
  border-bottom: 1.5px solid var(--geo-rule-strong);
  padding: 0.65rem 0.75rem;
}

.geo-table tbody td {
  padding: 0.68rem 0.75rem;
  border-bottom: 1px solid var(--geo-rule);
  vertical-align: top;
  color: var(--geo-ink);
}

.geo-table tbody tr:last-child td {
  border-bottom: none;
}

:is(.geo-status-tag):not(td):not(th) {
  display: inline-block;
  padding: 0.14rem 0.48rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  white-space: nowrap;
}

.geo-status-tag.is-ok {
  background: var(--geo-safe-soft);
  color: var(--geo-safe);
}

.geo-status-tag.is-warn {
  background: var(--geo-warn-soft);
  color: var(--geo-warn);
}

.geo-status-tag.is-crit {
  background: var(--geo-vermilion-soft);
  color: var(--geo-vermilion);
}

/* Documentary Plates */
.geo-figure {
  margin: 1.5rem 0;
  background: var(--geo-surface);
  border: 1px solid var(--geo-rule);
  padding: 0.75rem;
}

.geo-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.geo-figure figcaption {
  margin-top: 0.55rem;
  font-size: 0.85rem;
  color: var(--geo-ink-muted);
}

/* Timeline Stepper Cards */
.geo-stepper-grid {
  display: grid;
  gap: 1rem;
  margin-block: 1.25rem;
}

.geo-step-card {
  background: var(--geo-surface);
  border: 1px solid var(--geo-rule);
  border-left: 4px solid var(--geo-teal);
  padding: 1rem 1.2rem;
}

.geo-step-card.is-crisis {
  border-left-color: var(--geo-vermilion);
}

/* FAQ & Silent Archival Disclosure Drawers */
.geo-faq-list {
  display: grid;
  gap: 1rem;
  margin-block: 1.25rem;
}

.geo-faq-item {
  border-top: 1px solid var(--geo-rule);
  padding-top: 0.85rem;
}

.geo-faq-q {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.faq-a {
  font-size: 0.96rem;
  color: var(--geo-ink);
}

.faq-src {
  margin-top: 0.35rem;
}

.geo-archive-section {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 2px solid var(--geo-rule);
}

.ref-disclosure {
  background: var(--geo-surface-alt);
  border: 1px solid var(--geo-rule);
  border-left: 3px solid var(--geo-teal);
  padding: 0.75rem 1rem;
  margin-bottom: 0.85rem;
}

.ref-disclosure summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--geo-ink);
}

.ref-disclosure-body {
  margin-top: 0.75rem;
  font-size: 0.92rem;
}

/* 2-Column Editorial Digest Cards */
.geo-two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin-block: 1.5rem;
}

.geo-digest-card {
  background: var(--geo-surface);
  border: 1px solid var(--geo-rule);
  padding: 1.15rem;
}

/* Clean 3-Part Institutional Footer */
.geo-footer {
  margin-top: 3rem;
  border-top: 2px solid var(--geo-ink);
  background: var(--geo-surface-alt);
  padding-block: 2rem;
}

.geo-footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.75rem;
  font-size: 0.9rem;
}

.geo-footer-heading {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--geo-teal);
  margin-bottom: 0.55rem;
}

.geo-footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.35rem;
}

.geo-footer-note {
  margin-top: 1.4rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--geo-rule);
  font-size: 0.84rem;
  color: var(--geo-ink-muted);
}

.is-hidden {
  display: none;
}

@media (max-width: 960px) {
  .geo-split-hero,
  .geo-wb-grid,
  .geo-guide-grid,
  .geo-two-col,
  .geo-footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .geo-rail {
    position: static;
  }
  .geo-metrics-strip {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .geo-nav a,
  .geo-pill {
    transition: none;
  }
}

@media print {
  .geo-header,
  .geo-footer,
  .geo-rail {
    display: none;
  }
  body {
    background: #FFFFFF;
  }
}