:root {
  --bg: #F3F0E8;
  --surface: #E7E1D4;
  --surface-alt: #D6D2C4;
  --text: #1E2428;
  --muted: #5F6A6F;
  --accent: #0F6B5B;
  --accent-alt: #A63C2E;
  --line: #2E3A3F;
  --line-soft: rgba(46, 58, 63, 0.22);
  --line-mid: rgba(46, 58, 63, 0.5);
  --paper-noise: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.28) 0, rgba(255,255,255,0.02) 36%, transparent 37%), radial-gradient(circle at 80% 0%, rgba(46,58,63,0.04) 0, rgba(46,58,63,0.01) 34%, transparent 35%), radial-gradient(circle at 50% 80%, rgba(46,58,63,0.035) 0, transparent 42%);
  --contour: repeating-linear-gradient(165deg, transparent 0 15px, rgba(46,58,63,0.06) 15px 16px, transparent 16px 31px);
  --river: linear-gradient(90deg, transparent 0 20%, rgba(15,107,91,0.08) 20% 22%, transparent 22% 48%, rgba(15,107,91,0.05) 48% 50%, transparent 50% 100%);
  --font-display: Bricolage Grotesque, Avenir Next Condensed, Franklin Gothic Condensed, sans-serif;
  --font-body: Spectral, Georgia, serif;
  --font-ui: Manrope, Arial, sans-serif;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 72px;
  --space-9: 96px;
  --container: min(1360px, calc(100vw - 48px));
  --measure: 68ch;
  --measure-narrow: 54ch;
  --hero-title: clamp(2.8rem, 7vw, 7rem);
  --page-title: clamp(2.2rem, 5vw, 4.8rem);
  --section-title: clamp(1.5rem, 3vw, 2.6rem);
  --body-size: 1.05rem;
  --ui-size: 0.82rem;
  --transition-fast: 160ms ease;
  --transition-base: 260ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--body-size);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration-color: rgba(15, 107, 91, 0.45);
  text-underline-offset: 0.16em;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.site-shell,
.page-frame,
.page-atlas {
  min-height: 100vh;
  background: var(--bg);
}

.page-atlas {
  position: relative;
}

.page-atlas::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: var(--paper-noise);
  opacity: 0.45;
  mix-blend-mode: multiply;
}

.container,
.container--full {
  width: var(--container);
  margin-inline: auto;
}

.container--full {
  width: min(100vw, 1600px);
}

.grid-atlas,
.grid-atlas--rail,
.grid-atlas--wide,
.atlas-row,
.compare-grid,
.footer-grid,
.hero-atlas,
.topbar,
.route-sheet,
.list-sheet__head,
.compare-grid__row,
.compare-grid__head,
.cta-band__content,
.atlas-col--split {
  display: grid;
  gap: var(--space-5);
}

.grid-atlas {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.grid-atlas--rail,
.hero-atlas,
.atlas-row {
  grid-template-columns: minmax(0, 1.8fr) minmax(260px, 0.8fr);
}

.grid-atlas--wide {
  grid-template-columns: minmax(0, 2.2fr) minmax(0, 1fr);
}

.atlas-col--main {
  min-width: 0;
}

.atlas-col--rail,
.rail {
  min-width: 0;
}

.band {
  position: relative;
  padding-block: var(--space-8);
  border-top: 1px solid var(--line-soft);
}

.band--paper {
  background: linear-gradient(180deg, rgba(255,255,255,0.14), rgba(255,255,255,0.04));
}

.band--surface {
  background: var(--surface);
}

.band--alt {
  background: var(--surface-alt);
}

.band--accent {
  background: linear-gradient(180deg, rgba(15,107,91,0.12), rgba(15,107,91,0.05));
}

.rule,
.rule--strong,
.rule--dashed,
.footer-rule {
  border: 0;
  border-top: 1px solid var(--line-soft);
  margin: 0;
}

.rule--strong,
.footer-rule {
  border-top: 2px solid var(--line);
}

.rule--dashed {
  border-top-style: dashed;
}

.divider-bridge {
  position: relative;
  height: 24px;
  margin-block: var(--space-6);
}

.divider-bridge::before {
  content: "";
  position: absolute;
  inset: 50% 0 auto;
  border-top: 2px solid var(--line);
}

.divider-bridge::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 96px;
  height: 24px;
  transform: translateX(-50%);
  border: 2px solid var(--line);
  border-bottom: 0;
  border-radius: 999px 999px 0 0;
  background: transparent;
}

.kicker,
.eyebrow,
.label-ui,
.meta,
.caption,
.note,
.legend,
.legend-item,
.route-tag,
.route-marker,
.section-index,
.hero-kicker,
.breadcrumb,
.nav-link,
.subnav-link,
.footer-nav__link,
.cta-link,
.marker-panel__label {
  font-family: var(--font-ui);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: var(--ui-size);
  line-height: 1.35;
}

.kicker,
.eyebrow,
.hero-kicker {
  color: var(--accent);
  font-weight: 800;
}

.section-index,
.route-sheet__index,
.route-marker {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1;
}

.section-index {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--muted);
}

.section-index::before {
  content: "";
  width: 42px;
  border-top: 2px solid var(--accent);
}

.display-title,
.page-title,
.section-title,
.hero-title,
.route-sheet__title,
.cta-band__title,
.footer-title,
.editor-note__title,
.comparison-band__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 850;
  line-height: 0.95;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.display-title,
.hero-title {
  font-size: var(--hero-title);
  max-width: 11ch;
}

.page-title {
  font-size: var(--page-title);
  max-width: 14ch;
}

.section-title,
.comparison-band__title,
.cta-band__title {
  font-size: var(--section-title);
  max-width: 18ch;
}

.subhead,
.lede,
.hero-summary {
  font-size: clamp(1.08rem, 1.4vw, 1.35rem);
  line-height: 1.55;
  max-width: var(--measure-narrow);
  color: var(--text);
}

.body-copy,
.prose,
.prose--narrow,
.prose--wide {
  max-width: var(--measure);
}

.prose--narrow {
  max-width: var(--measure-narrow);
}

.prose--wide {
  max-width: 78ch;
}

.prose > * + *,
.body-copy > * + * {
  margin-top: 1em;
}

.meta,
.caption,
.note {
  color: var(--muted);
}

.meta-list,
.tag-row,
.cluster-tags,
.legend,
.hero-atlas__facts,
.route-sheet__facts,
.footer-nav__list,
.nav-list,
.subnav-list,
.breadcrumb,
.hero-actions,
.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  padding: 0;
  margin: 0;
  list-style: none;
}

.route-tag,
.route-marker,
.legend-item,
.marker-panel,
.hero-stat,
.tag-row > *,
.cluster-tags > * {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 2rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--line-mid);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.32);
}

.route-tag--accent {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

.route-tag--muted {
  background: transparent;
  color: var(--muted);
}

.route-marker {
  justify-content: center;
  min-width: 2.3rem;
  color: var(--accent);
  background: rgba(15,107,91,0.08);
}

.legend {
  gap: var(--space-2);
}

.legend-item::before,
.marker-panel__label::before,
.hero-stat__label::before {
  content: "";
  width: 10px;
  height: 10px;
  border: 2px solid var(--line);
  border-radius: 999px;
  flex: 0 0 auto;
}

.rail,
.hero-atlas__rail {
  align-self: start;
}

.rail-block,
.inset-panel,
.editor-note,
.marker-panel {
  position: relative;
  padding: var(--space-5);
  border: 1px solid var(--line-mid);
  background: rgba(255,255,255,0.22);
}

.rail-block--sticky {
  position: sticky;
  top: var(--space-5);
}

.inset-panel--line {
  background: transparent;
  border-width: 2px 0 0 0;
  padding-inline: 0;
}

.inset-panel--fill {
  background: var(--surface);
}

.editor-note__title {
  font-size: clamp(1.15rem, 2vw, 1.6rem);
  margin-bottom: var(--space-3);
}

.wayfinding-link,
.chevron-link,
.arrow-inline,
.cta-link,
.nav-link,
.subnav-link,
.footer-nav__link {
  position: relative;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.chevron-link,
.cta-link,
.wayfinding-link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
}

.chevron-link::after,
.cta-link::after,
.wayfinding-link::after,
.arrow-inline::after {
  content: "→";
  transition: transform var(--transition-fast);
}

.chevron-link:hover::after,
.cta-link:hover::after,
.wayfinding-link:hover::after,
.arrow-inline:hover::after {
  transform: translateX(3px);
}

.texture-grain {
  background-image: var(--paper-noise);
}

.texture-contour {
  background-image: var(--contour);
}

.bg-river {
  background-image: var(--river);
}

.bg-pavement {
  background-image: linear-gradient(180deg, rgba(46,58,63,0.03), rgba(46,58,63,0.01));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(243,240,232,0.92);
  border-bottom: 1px solid var(--line-soft);
}

.topbar {
  grid-template-columns: auto 1fr auto;
  align-items: center;
  width: var(--container);
  margin-inline: auto;
  min-height: 72px;
  gap: var(--space-4);
}

.brand-lockup {
  display: inline-grid;
  gap: 2px;
  align-items: center;
  text-decoration: none;
}

.brand-mark {
  width: 44px;
  height: 14px;
  border-top: 3px solid var(--accent);
  border-bottom: 1px dashed var(--line);
  position: relative;
}

.brand-mark::after {
  content: "";
  position: absolute;
  right: 0;
  top: -4px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--accent);
  border-radius: 999px;
  background: var(--bg);
}

.brand-title {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  line-height: 1;
  letter-spacing: -0.02em;
}

.main-nav {
  justify-self: end;
}

.nav-list {
  gap: var(--space-4);
}

.nav-item {
  position: relative;
}

.nav-divider {
  width: 1px;
  height: 1rem;
  background: var(--line-soft);
}

.nav-link,
.subnav-link,
.footer-nav__link {
  font-weight: 800;
  text-decoration: none;
  color: var(--text);
}

.nav-link::after,
.subnav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.55rem;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--transition-base);
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.subnav-link:hover::after,
.subnav-link:focus-visible::after,
.nav-link--active::after {
  transform: scaleX(1);
}

.nav-link--active {
  color: var(--text);
}

.breadcrumb {
  gap: var(--space-2);
  color: var(--muted);
  margin-top: var(--space-3);
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: var(--space-2);
  color: var(--line-mid);
}

.subnav {
  padding-top: var(--space-3);
}

.hero-atlas {
  width: var(--container);
  margin-inline: auto;
  padding-block: var(--space-9) var(--space-8);
  align-items: end;
  position: relative;
}

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

.hero-atlas__graphic {
  position: relative;
  min-height: 130px;
  margin-top: var(--space-5);
  border-top: 2px solid var(--line);
  border-bottom: 1px dashed var(--line-mid);
  overflow: hidden;
}

.hero-route-line {
  position: absolute;
  inset: 18% 0 auto 0;
  height: 80px;
}

.hero-route-line svg {
  width: 100%;
  height: 100%;
}

.hero-route-line path,
.hero-route-line line,
.hero-route-line polyline {
  stroke: var(--accent);
  stroke-width: 4;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero-route-line .is-dashed {
  stroke-dasharray: 8 8;
  stroke: var(--line);
}

.hero-route-node {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 3px solid var(--accent);
  border-radius: 999px;
  background: var(--bg);
}

.hero-atlas__facts {
  margin-top: var(--space-4);
}

.hero-stat {
  justify-content: space-between;
  width: 100%;
  padding: var(--space-3) var(--space-4);
}

.hero-stat__label {
  color: var(--muted);
}

.hero-stat__value,
.marker-panel__value {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  line-height: 1;
}

.list-sheet {
  border-top: 2px solid var(--line);
}

.list-sheet__head,
.compare-grid__head {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--line-soft);
}

.list-sheet__body {
  display: grid;
}

.route-sheet {
  grid-template-columns: 80px minmax(0, 1fr) minmax(220px, 0.7fr);
  align-items: start;
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--line-soft);
}

.route-sheet__index {
  font-size: clamp(1.4rem, 3vw, 2.5rem);
  color: var(--accent);
}

.route-sheet__content {
  min-width: 0;
}

.route-sheet__title {
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  margin-bottom: var(--space-2);
}

.route-sheet__summary {
  margin: 0;
  max-width: var(--measure-narrow);
}

.route-sheet__meta {
  display: grid;
  gap: var(--space-3);
  justify-items: start;
}

.route-sheet__cta {
  margin-top: var(--space-2);
}

.compare-grid,
.compare-grid__row {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.comparison-band {
  padding-block: var(--space-6);
}

.route-table,
.route-legend-table {
  width: 100%;
  border-collapse: collapse;
  border-top: 2px solid var(--line);
}

.route-table__head th,
.route-table__cell,
.route-legend-table th,
.route-legend-table td {
  padding: var(--space-4) var(--space-3);
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
}

.route-table__head th,
.route-table__cell--label {
  font-family: var(--font-ui);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.77rem;
}

.route-table__cell--route {
  font-family: var(--font-display);
  font-size: 1.08rem;
}

.route-table__row:hover {
  background: rgba(255,255,255,0.22);
}

.stack-rule > * + * {
  padding-top: var(--space-4);
  margin-top: var(--space-4);
  border-top: 1px dashed var(--line-mid);
}

.marker-panel {
  display: grid;
  gap: var(--space-2);
}

.cta-band {
  border-top: 2px solid var(--line);
  background: linear-gradient(135deg, rgba(166,60,46,0.09), rgba(15,107,91,0.08));
}

.cta-band__content {
  width: var(--container);
  margin-inline: auto;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  padding-block: var(--space-7);
}

.cta-link {
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  background: transparent;
}

.cta-link--primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.cta-link--secondary {
  background: rgba(255,255,255,0.28);
}

.site-footer {
  padding-block: var(--space-6) var(--space-8);
}

.footer-grid {
  width: var(--container);
  margin-inline: auto;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  padding-top: var(--space-5);
}

.footer-nav__list {
  gap: var(--space-4);
}

.footer-meta {
  color: var(--muted);
  max-width: 40ch;
}

[data-reveal] {
  transition: transform 500ms ease, opacity 500ms ease;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    transition: none;
  }
}

@media (max-width: 980px) {
  :root {
    --container: min(100vw - 32px, 1360px);
  }

  .topbar,
  .hero-atlas,
  .grid-atlas--rail,
  .grid-atlas--wide,
  .atlas-row,
  .cta-band__content,
  .footer-grid,
  .route-sheet {
    grid-template-columns: 1fr;
  }

  .main-nav {
    justify-self: stretch;
  }

  .main-nav[data-collapsible] .nav-list {
    display: none;
    padding-bottom: var(--space-4);
  }

  .main-nav.is-open .nav-list {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 44px;
    padding: 0.65rem 0.8rem;
    border: 1px solid var(--line);
    background: transparent;
    font-family: var(--font-ui);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.76rem;
  }

  .route-sheet__meta {
    grid-auto-flow: row;
  }

  .compare-grid,
  .compare-grid__row,
  .compare-grid__head {
    grid-template-columns: 1fr 1fr;
  }

  .cta-band__actions {
    justify-content: flex-start;
  }

  .rail-block--sticky {
    position: static;
  }
}

@media (min-width: 981px) {
  .nav-toggle {
    display: none;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 1rem;
  }

  .band,
  .hero-atlas,
  .cta-band__content {
    padding-block: var(--space-6);
  }

  .route-table,
  .route-legend-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .route-sheet {
    gap: var(--space-3);
  }

  .route-sheet__index {
    font-size: 1.2rem;
  }

  .footer-grid,
  .list-sheet__head {
    gap: var(--space-4);
  }
}