/* Hallmark · shape: app screen · genre: playful · theme: Hum (deal 3/3)
 * nav: compact mast with two text links · footer: source and return links
 * signature: real local map beside the research question · states: static full, hover, focus, active
 * axes: light/rounded-sans/chromatic-yellow · posture: full-palette · job: research · v2.0.0 */
/* Hallmark · pre-emit critique: P4 H4 E4 S4 R4 V4 · weakest: material, use the actual OSM map and documented coat of arms */
@import url("./tokens.css");
@import url("./base.css");

@font-face { font-family: "Chillax"; src: url("./chillax-0.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Chillax"; src: url("./chillax-1.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }

:root {
  --container: 1280px;
  --gutter: 48px;
  --gap-columns: 24px;
  --text-md: 1.0625rem;
  --text-sm: 0.875rem;
  --text-title: 1.375rem;
  --text-section: 1.625rem;
  --text-display: 2.625rem;
  --text-lead: 1.125rem;
  --color-transparent: transparent;
  --color-blue-well: oklch(93% 0.035 245);
  --color-yellow-well: oklch(94% 0.09 96);
  --color-mint-well: oklch(93% 0.045 155);
  --color-coral-well: oklch(94% 0.035 35);
  --color-muted: oklch(43% 0.014 255);
  --color-link: oklch(43% 0.15 250);
  --space-content: 48px;
  --space-wide: 80px;
  --radius-small: 8px;
}

html { scroll-padding-top: var(--space-lg); }
body { font-weight: 500; line-height: 1.65; overflow-wrap: break-word; }
h1, h2, h3 { letter-spacing: -0.02em; }
h1 { max-width: 24ch; line-height: 1.13; }
h2 { line-height: 1.25; }
h3 { line-height: 1.3; }
a { text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }
a:active { opacity: 0.8; }
a:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 5px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: absolute; top: var(--space-md); left: var(--space-md); z-index: var(--z-toast); padding: var(--space-sm) var(--space-md); background: var(--color-ink); color: var(--color-paper); transform: translateY(-200%); }
.skip:focus-visible { transform: none; }
.site-header { padding-block: var(--space-lg); border-bottom: 1px solid var(--color-rule); }
.header-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-md); }
.brand { text-decoration: none; font-size: var(--text-title); font-weight: 600; line-height: 1.3; }
.brand span { display: block; font-size: var(--text-sm); font-weight: 500; color: var(--color-muted); margin-top: var(--space-2xs); }
.header-links { display: flex; align-items: center; gap: var(--space-lg); }
.header-links a { display: inline-flex; align-items: center; min-height: 44px; font-size: var(--text-md); white-space: nowrap; }
.home-intro { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); align-items: center; gap: var(--space-2xl); padding-block: var(--space-xl); }
.home-intro .lead { margin-top: var(--space-lg); max-width: 42ch; }
.button { display: inline-flex; align-items: center; min-height: 48px; max-width: 100%; padding: var(--space-sm) var(--space-lg); background: var(--color-accent); color: var(--color-accent-ink); border-radius: var(--radius-stock); text-decoration: none; font-weight: 600; white-space: normal; box-shadow: 0 3px 0 var(--color-accent-deep); }
.button:hover { background: var(--color-yellow-well); }
.home-intro .button { margin-top: var(--space-lg); }
.map-preview { display: grid; grid-template-columns: minmax(0, 1fr); background: var(--color-blue-well); border-radius: var(--radius-card); padding: var(--space-md) var(--space-lg); text-decoration: none; }
.map-preview img { width: 100%; height: 250px; object-fit: contain; }
.map-preview span { font-size: var(--text-sm); text-align: center; margin-top: var(--space-xs); }
.map-preview:hover span { text-decoration: underline; }
.topic-section { padding-block: var(--space-lg) var(--space-xl); scroll-margin-top: var(--space-lg); }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-md); margin-bottom: var(--space-lg); }
.section-heading p { color: var(--color-muted); }
.topic-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--gap-columns); }
.topic-card { display: flex; flex-direction: column; gap: var(--space-sm); min-width: 0; padding: var(--space-lg); border-radius: var(--radius-card); color: var(--color-ink); text-decoration: none; background: var(--color-card); box-shadow: 0 3px 0 var(--color-edge); }
.topic-card h3 { min-height: 2.6em; }
.topic-card p { font-size: var(--text-md); line-height: 1.55; }
.topic-card.colour-yellow { background: var(--color-yellow-well); }
.topic-card.colour-blue { background: var(--color-blue-well); }
.topic-card.colour-mint { background: var(--color-mint-well); }
.topic-card.colour-coral { background: var(--color-coral-well); }
.card-action { margin-top: auto; padding-top: var(--space-xs); font-size: var(--text-sm); text-decoration: underline; text-underline-offset: 0.25em; }
.topic-card:hover .card-action { text-decoration-thickness: 2px; }
.research-note { margin-block: var(--space-xl); padding: var(--space-lg) 0; border-block: 1px solid var(--color-rule); }
.research-note h2 { font-size: var(--text-title); }
.research-note p { margin-top: var(--space-sm); max-width: 68ch; }
.site-footer { padding-block: var(--space-xl); font-size: var(--text-sm); color: var(--color-muted); }
.site-footer > div { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-xs) var(--space-lg); margin-top: var(--space-sm); }
.site-footer a { display: inline-flex; align-items: center; min-height: 44px; }
.independent { margin-top: var(--space-md); max-width: 70ch; }
.detail-page { padding-top: var(--space-lg); }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-xs) var(--space-lg); color: var(--color-muted); font-size: var(--text-sm); margin-bottom: var(--space-lg); }
.breadcrumb a { display: inline-flex; align-items: center; min-height: 44px; }
.breadcrumb span { padding-left: var(--space-lg); border-left: 1px solid var(--color-rule); }
.topic-heading { padding-block: var(--space-md) var(--space-xl); }
.topic-heading .lead { margin-top: var(--space-lg); max-width: 65ch; }
.facts-section { margin-block: var(--space-lg) var(--space-content); }
.fact-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: var(--space-lg) 0 0; gap: var(--gap-columns); }
.fact { padding-top: var(--space-md); border-top: 2px solid var(--color-rule); }
.fact dt { font-size: var(--text-sm); color: var(--color-muted); }
.fact dd { margin: var(--space-xs) 0 0; }
.fact strong { display: block; font-size: var(--text-title); font-weight: 600; line-height: 1.4; font-variant-numeric: tabular-nums; }
.fact p { margin-top: var(--space-sm); }
.fact-source { display: inline-block; margin-top: var(--space-sm); color: var(--color-link); font-size: var(--text-sm); }
.fact-note { margin-top: var(--space-lg); color: var(--color-muted); font-size: var(--text-sm); max-width: 75ch; }
.sources-section { margin-block: var(--space-content); }
.section-intro { margin-top: var(--space-sm); color: var(--color-muted); }
.source-list { padding: 0; margin: var(--space-lg) 0 0; list-style: none; }
.source-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-lg); padding-block: var(--space-lg); border-top: 1px solid var(--color-rule); }
.source-row:last-child { border-bottom: 1px solid var(--color-rule); }
.source-row h3 { max-width: none; }
.source-row h3 a { color: var(--color-link); }
.source-row p { max-width: 68ch; margin-top: var(--space-sm); }
.source-row .provider { color: var(--color-muted); font-size: var(--text-sm); margin-top: var(--space-xs); }
.source-row .source-hint { font-size: var(--text-sm); color: var(--color-muted); max-width: 75ch; }
.external-label { font-size: var(--text-sm); line-height: 1.5; text-align: right; color: var(--color-muted); padding-top: var(--space-2xs); white-space: nowrap; }
.tab-label { display: block; }
.map-figure { display: block; margin: 0 0 var(--space-xl); max-width: 800px; }
.map-figure img { width: 100%; max-height: 650px; object-fit: contain; border-radius: var(--radius-card); background: var(--color-blue-well); padding: var(--space-md); }
figcaption { font-size: var(--text-sm); color: var(--color-muted); margin-top: var(--space-sm); max-width: 75ch; }
.coat-figure { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: var(--space-lg); align-items: center; margin: 0 0 var(--space-xl); }
.coat-figure img { width: 170px; height: 180px; object-fit: contain; }
.coat-figure figcaption { max-width: 40ch; }
.other-topics { margin-block: var(--space-content); }
.other-topics h2 { font-size: var(--text-title); }
.other-topics > div { display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-lg); margin-top: var(--space-md); }
.other-topics a { display: inline-flex; align-items: center; min-height: 44px; color: var(--color-link); }
.prose { margin-block: var(--space-content); max-width: 75ch; }
.prose p { margin-top: var(--space-md); }
.topic-details { margin-block: var(--space-content); max-width: 75ch; }
.detail-block { margin-top: var(--space-lg); padding-top: var(--space-lg); border-top: 1px solid var(--color-rule); }
.detail-block p { margin-top: var(--space-sm); }
.detail-links { font-size: var(--text-sm); }
.detail-links a { color: var(--color-link); }
@media (max-width: 68rem) {
  :root { --gutter: 32px; --text-display: 2.25rem; }
  .topic-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .topic-card h3 { min-height: 0; }
  .home-intro { gap: var(--space-lg); }
}
@media (max-width: 45rem) {
  :root { --gutter: 20px; --text-display: 2rem; --text-section: 1.5rem; --gap-columns: 16px; }
  .brand { font-size: var(--text-md); }
  .brand span { font-size: 0.75rem; }
  .header-links { gap: var(--space-sm); }
  .header-links a { font-size: var(--text-sm); }
  .home-intro { grid-template-columns: minmax(0, 1fr); padding-block: var(--space-lg); }
  .map-preview { padding: var(--space-sm); }
  .map-preview img { height: 210px; }
  .section-heading { display: block; }
  .section-heading p { margin-top: var(--space-xs); }
  .topic-grid { grid-template-columns: minmax(0, 1fr); }
  .topic-card { padding: var(--space-lg); }
  .fact-grid { grid-template-columns: minmax(0, 1fr); }
  .source-row { grid-template-columns: minmax(0, 1fr); gap: var(--space-sm); }
  .external-label { text-align: left; }
  .tab-label { display: inline; margin-left: var(--space-xs); }
  .coat-figure { grid-template-columns: minmax(0, 1fr); }
  .breadcrumb { gap: var(--space-xs); }
  .breadcrumb span { padding-left: var(--space-sm); }
}
@media (prefers-reduced-motion: reduce) { .skip { transition: none; } }