/* ==========================================================================
   Eagles Island Industrial Heritage
   Concept: restyled to match the Eagles Island Nature Park brand system
   (extracted from eaglesislandnaturepark.org) — Baskervville display serif,
   Mulish body sans, Karla UI sans, cream/tan surfaces with a deep teal
   accent (#2b707d) and dark forest-green contrast (#0b2621).
   ========================================================================== */

/* ---------------------------------------------------------------- FONTS */
:root {
  --font-display: 'Baskervville', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Mulish', 'Helvetica Neue', Arial, sans-serif;
  --font-ui: 'Karla', 'Helvetica Neue', Arial, sans-serif;
}

/* ---------------------------------------------------------------- TYPE SCALE */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.5rem);
  --text-hero: clamp(2.75rem, 0.5rem + 6vw, 6.5rem);
}

/* ---------------------------------------------------------------- SPACING */
:root {
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
}

/* ---------------------------------------------------------------- COLOR — LIGHT (EINP brand: cream + teal) */
:root,
[data-theme='light'] {
  --color-bg: #faf9f6;
  --color-surface: #ffffff;
  --color-surface-2: #fdfcfa;
  --color-surface-offset: #eee3c8;
  --color-surface-offset-2: #f3d2a7;
  --color-surface-dynamic: #e8dab3;
  --color-divider: #e3d7ba;
  --color-border: #d6c39a;

  --color-text: #2f2f2f;
  --color-text-muted: #6d6d6d;
  --color-text-faint: #9a9a92;
  --color-text-inverse: #faf9f6;

  /* Primary accent — EINP brand teal */
  --color-primary: #2b707d;
  --color-primary-hover: #1f5860;
  --color-primary-active: #164046;
  --color-primary-highlight: #cfe3e6;

  /* Category colors (map layers / timeline) */
  --color-rust: #b5651d;
  --color-rust-highlight: #ecdcc7;
  --color-indigo: #1f5148;
  --color-indigo-highlight: #d3e0da;
  --color-teal: #2b707d;
  --color-teal-highlight: #cfe3e6;
  --color-ochre: #a67c2e;
  --color-ochre-highlight: #ecdfbf;
  --color-slate: #5c6b6a;
  --color-slate-highlight: #dbe2e1;
  --color-plum: #6d4a68;
  --color-plum-highlight: #ddcbdb;

  --color-warning: #a67c2e;
  --color-warning-hover: #7d5c1f;
  --color-warning-highlight: #ecdfbf;
  --color-error: #954a3d;
  --color-error-hover: #713629;
  --color-error-highlight: #e6d2cc;
  --color-success: #3f6b32;
  --color-success-highlight: #cdd9c4;

  --radius-sm: 0.3125rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.125rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px oklch(0.25 0.03 60 / 0.14);
  --shadow-md: 0 4px 14px oklch(0.25 0.03 60 / 0.16);
  --shadow-lg: 0 14px 36px oklch(0.25 0.03 60 / 0.22);

  --content-narrow: 640px;
  --content-default: 980px;
  --content-wide: 1240px;
  --content-full: 100%;
}

/* ---------------------------------------------------------------- COLOR — DARK (EINP brand: deep forest green) */
[data-theme='dark'] {
  --color-bg: #0b2621;
  --color-surface: #0f2f29;
  --color-surface-2: #123832;
  --color-surface-offset: #163f38;
  --color-surface-offset-2: #1c4941;
  --color-surface-dynamic: #235952;
  --color-divider: #1e453e;
  --color-border: #2c5a52;

  --color-text: #e9e4d6;
  --color-text-muted: #a9c2bc;
  --color-text-faint: #6f8b84;
  --color-text-inverse: #0f2f29;

  --color-primary: #6fb8c2;
  --color-primary-hover: #93cbd3;
  --color-primary-active: #b6dce1;
  --color-primary-highlight: #1c4941;

  --color-rust: #d9955a;
  --color-rust-highlight: #2f2621;
  --color-indigo: #7cc2ab;
  --color-indigo-highlight: #1c4941;
  --color-teal: #6fb8c2;
  --color-teal-highlight: #1c4941;
  --color-ochre: #d1ac5a;
  --color-ochre-highlight: #332c1d;
  --color-slate: #a3c4bf;
  --color-slate-highlight: #1e453e;
  --color-plum: #c191b9;
  --color-plum-highlight: #33242f;

  --color-warning: #d1ac5a;
  --color-warning-hover: #e2c274;
  --color-warning-highlight: #332c1d;
  --color-error: #d1897c;
  --color-error-hover: #de9490;
  --color-error-highlight: #362521;
  --color-success: #8bb377;
  --color-success-highlight: #263a1f;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 4px 16px oklch(0 0 0 / 0.45);
  --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.55);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0b2621;
    --color-surface: #0f2f29;
    --color-surface-2: #123832;
    --color-surface-offset: #163f38;
    --color-surface-offset-2: #1c4941;
    --color-surface-dynamic: #235952;
    --color-divider: #1e453e;
    --color-border: #2c5a52;
    --color-text: #e9e4d6;
    --color-text-muted: #a9c2bc;
    --color-text-faint: #6f8b84;
    --color-text-inverse: #0f2f29;
    --color-primary: #6fb8c2;
    --color-primary-hover: #93cbd3;
    --color-primary-active: #b6dce1;
    --color-primary-highlight: #1c4941;
    --color-rust: #d9955a;
    --color-rust-highlight: #2f2621;
    --color-indigo: #7cc2ab;
    --color-indigo-highlight: #1c4941;
    --color-teal: #6fb8c2;
    --color-teal-highlight: #1c4941;
    --color-ochre: #d1ac5a;
    --color-ochre-highlight: #332c1d;
    --color-slate: #a3c4bf;
    --color-slate-highlight: #1e453e;
    --color-plum: #c191b9;
    --color-plum-highlight: #33242f;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
    --shadow-md: 0 4px 16px oklch(0 0 0 / 0.45);
    --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.55);
  }
}

/* ==========================================================================
   BASE PAGE
   ========================================================================== */
body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(oklch(from var(--color-text) l c h / 0.03) 1px, transparent 1px);
  background-size: 3px 3px;
}

/* ------------------------------------------------------ DOCUMENTARY ARCHIVE */
.orientation-section {
  padding-block: var(--space-20);
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
}
.orientation-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: var(--space-6);
  margin-top: var(--space-10);
}
.orientation-grid figure {
  margin: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  overflow: hidden;
}
#overviewMap { width: 100%; height: 510px; background: var(--color-surface-offset); }
.historical-map-card > a { display: block; height: 510px; background: #e6dcc5; }
.historical-map-card img { display: block; width: 100%; height: 100%; object-fit: contain; object-position: center; transition: transform var(--transition-interactive); }
.historical-map-card > a:hover img { transform: scale(1.015); }
.orientation-grid figcaption { padding: var(--space-5) var(--space-6); color: var(--color-text-muted); line-height: 1.55; }
.orientation-grid figcaption strong { color: var(--color-text); }
.map-reading-note { margin: var(--space-6) 0 0; padding: var(--space-5) var(--space-6); background: var(--color-surface-offset); color: var(--color-text-muted); line-height: 1.55; }
.overview-label {
  padding: .35rem .55rem;
  border: 1px solid rgba(11,38,33,.25);
  border-radius: .25rem;
  background: rgba(255,255,255,.92);
  color: #173b35;
  box-shadow: 0 2px 7px rgba(0,0,0,.16);
  font: 700 .78rem/1.1 var(--font-ui);
  white-space: nowrap;
}
.overview-label--island { background: rgba(43,112,125,.94); color: white; font-size: .9rem; }
@media (max-width: 900px) {
  .orientation-grid { grid-template-columns: 1fr; }
  #overviewMap, .historical-map-card > a { height: 430px; }
}
@media (max-width: 560px) {
  #overviewMap, .historical-map-card > a { height: 360px; }
}

.research-foundation {
  padding-block: var(--space-20);
  background: var(--color-bg);
}
.research-foundation__intro {
  max-width: 820px;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  line-height: 1.65;
}
.research-foundation__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-10);
}
.research-foundation__grid article {
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 5px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
}
.research-foundation__grid h3 {
  margin-top: var(--space-2);
  font-size: var(--text-xl);
}
.research-foundation__grid article > p:not(.research-foundation__year):not(.research-foundation__title) {
  color: var(--color-text-muted);
  line-height: 1.65;
}
.research-foundation__year {
  margin: 0;
  color: var(--color-primary);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.research-foundation__title { min-height: 3.6em; line-height: 1.5; }
.research-foundation__grid a { display: inline-block; margin-top: var(--space-4); font-family: var(--font-ui); font-weight: 700; }
.research-foundation__note { margin: var(--space-6) 0 0; color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.55; }
@media (max-width: 760px) {
  .research-foundation__grid { grid-template-columns: 1fr; }
  .research-foundation__title { min-height: 0; }
}

.crossing-section {
  padding-block: var(--space-24);
  background: var(--color-surface);
  border-block: 1px solid var(--color-divider);
}
.crossing-heading { max-width: 920px; }
.crossing-route {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-block: var(--space-10) var(--space-12);
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-border);
}
.crossing-route div {
  position: relative;
  min-height: 118px;
  padding: var(--space-6) var(--space-6) var(--space-5) calc(var(--space-6) + 38px);
  background: var(--color-surface-2);
}
.crossing-route span {
  position: absolute;
  left: var(--space-5);
  top: var(--space-6);
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 700;
}
.crossing-route strong,
.crossing-route small { display: block; }
.crossing-route strong { color: var(--color-primary-active); font-family: var(--font-display); font-size: var(--text-lg); font-weight: 500; }
.crossing-route small { margin-top: var(--space-2); color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.4; }
.crossing-layout {
  display: grid;
  grid-template-columns: minmax(280px, .75fr) minmax(480px, 1.25fr);
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start;
}
.crossing-visuals { display: grid; gap: var(--space-6); }
.crossing-visuals figure { margin: 0; overflow: hidden; border: 1px solid var(--color-border); background: var(--color-bg); }
.crossing-visuals img { display: block; width: 100%; max-height: 520px; object-fit: contain; background: #e8e5df; }
.crossing-visuals figcaption { padding: var(--space-4) var(--space-5); color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.55; }
.crossing-visuals figcaption strong { color: var(--color-text); }
.crossing-history { border-top: 1px solid var(--color-border); }
.crossing-history article { position: relative; padding: var(--space-6) 0 var(--space-6) 118px; border-bottom: 1px solid var(--color-divider); }
.crossing-history time { position: absolute; left: 0; top: var(--space-6); width: 100px; color: var(--color-rust); font-family: var(--font-ui); font-size: var(--text-sm); font-weight: 700; }
.crossing-history h3 { margin: 0 0 var(--space-2); color: var(--color-primary-active); font-size: var(--text-lg); }
.crossing-history p { margin: 0; color: var(--color-text-muted); line-height: 1.7; }
.crossing-source { margin-top: var(--space-10); max-width: 100ch; line-height: 1.6; }
@media (max-width: 860px) {
  .crossing-layout { grid-template-columns: 1fr; }
  .crossing-visuals { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .crossing-route { grid-template-columns: 1fr; }
  .crossing-route div { min-height: 96px; }
  .crossing-visuals { grid-template-columns: 1fr; }
  .crossing-history article { padding-left: 0; }
  .crossing-history time { position: static; display: block; width: auto; margin-bottom: var(--space-2); }
}

.rice-section {
  padding-block: var(--space-24);
  background: var(--color-primary-highlight);
  border-block: 1px solid var(--color-divider);
}
.rice-heading { max-width: 920px; margin-bottom: var(--space-12); }
.rice-grid {
  display: grid;
  grid-template-columns: minmax(320px, .9fr) minmax(420px, 1.1fr);
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start;
}
.rice-visuals { display: grid; gap: var(--space-6); }
.rice-image {
  margin: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}
.rice-image img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.rice-image--historical img { aspect-ratio: 4 / 4.25; object-position: center; }
.rice-image figcaption { padding: var(--space-4) var(--space-5); color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.5; }
.rice-prose h3,
.rice-story-grid h3 { margin-top: 0; color: var(--color-primary-active); font-family: var(--font-display); font-size: var(--text-xl); }
.rice-prose > p { line-height: 1.75; }
.rice-context { margin-top: var(--space-6); padding: var(--space-5); background: color-mix(in srgb, var(--color-surface) 88%, transparent); border-left: 3px solid var(--color-primary); }
.rice-context strong { color: var(--color-primary-active); }
.rice-context p { margin: var(--space-2) 0 0; color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.6; }
.rice-story-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); margin-top: var(--space-12); }
.rice-story-grid article { padding: var(--space-6); background: var(--color-surface); border-top: 3px solid var(--color-primary); }
.rice-story-grid article p:last-child { margin-bottom: 0; line-height: 1.7; }
.rice-story-grid__number { margin: 0 0 var(--space-3); color: var(--color-text-muted); font-size: var(--text-sm); font-weight: 700; letter-spacing: .12em; }
.rice-evidence { margin-top: var(--space-12); padding-top: var(--space-8); border-top: 1px solid var(--color-divider); }
.rice-evidence > p:not(.source-line) { max-width: 900px; line-height: 1.75; }
.survey-introduction { max-width: 920px; margin-top: var(--space-10); }
.survey-introduction h3 { margin: var(--space-2) 0 var(--space-4); color: var(--color-primary-active); font-family: var(--font-display); font-size: var(--text-2xl); }
.survey-introduction > p:last-child { line-height: 1.75; }
.survey-detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); margin-block: var(--space-8); }
.survey-detail-grid article { padding: var(--space-6); background: color-mix(in srgb, var(--color-surface) 90%, transparent); border-left: 3px solid var(--color-primary); }
.survey-detail-grid h4 { margin: 0 0 var(--space-3); color: var(--color-primary-active); font-family: var(--font-display); font-size: var(--text-lg); }
.survey-detail-grid p { margin: 0; color: var(--color-text-muted); line-height: 1.7; }
.survey-conclusion { margin-bottom: var(--space-8); }
.rice-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); margin-bottom: var(--space-8); }
.rice-facts div { padding: var(--space-4); background: var(--color-surface); border-top: 3px solid var(--color-primary); }
.rice-facts strong { display: block; color: var(--color-primary-active); font-family: var(--font-display); font-size: var(--text-lg); }
.rice-facts span { display: block; margin-top: var(--space-2); color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.4; }
.source-line { font-size: var(--text-sm); color: var(--color-text-muted); }
@media (max-width: 860px) {
  .rice-grid { grid-template-columns: 1fr; }
  .rice-story-grid { grid-template-columns: 1fr; }
  .survey-detail-grid { grid-template-columns: 1fr; }
  .rice-facts { grid-template-columns: 1fr; }
}

.archive-section {
  padding-block: var(--space-24);
  background: var(--color-surface);
  border-block: 1px solid var(--color-divider);
}
.archive-feature,
.archive-grid figure {
  margin: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  overflow: hidden;
}
.archive-feature { margin-top: var(--space-10); }
.archive-feature img,
.archive-grid img {
  display: block;
  width: 100%;
  object-fit: cover;
  filter: saturate(.88) contrast(1.04);
}
.archive-feature img { aspect-ratio: 4 / 1; object-position: center; }
.archive-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-6);
}
.archive-grid img { aspect-ratio: 16 / 10; }
.archive-feature figcaption,
.archive-grid figcaption {
  padding: var(--space-5) var(--space-6);
  color: var(--color-text-muted);
  line-height: 1.55;
}
.archive-feature figcaption strong,
.archive-grid figcaption strong { color: var(--color-text); }
.credit-notice {
  margin-top: var(--space-8);
  padding: var(--space-6);
  border-left: 4px solid var(--color-primary);
  background: var(--color-primary-highlight);
  color: var(--color-text);
  line-height: 1.6;
}
@media (max-width: 720px) {
  .archive-grid { grid-template-columns: 1fr; }
  .archive-feature img { aspect-ratio: 2 / 1; }
}

.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.container--wide {
  max-width: var(--content-wide);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--color-text);
}

a {
  color: var(--color-primary);
  text-decoration-color: oklch(from var(--color-primary) l c h / 0.4);
}
a:hover { color: var(--color-primary-hover); }

.eyebrow {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.section {
  padding-block: clamp(var(--space-12), 7vw, var(--space-24));
}
.section-title {
  font-size: var(--text-xl);
  margin-block: var(--space-2) var(--space-6);
  max-width: 32ch;
}
.section-intro {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 65ch;
  margin-bottom: var(--space-8);
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: var(--space-2);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 200;
  font-family: var(--font-ui);
  font-size: var(--text-sm);
}
.skip-link:focus { left: var(--space-2); }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.1);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
}
.brand svg { width: 34px; height: 34px; flex-shrink: 0; }
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.brand-text strong {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 500;
}
.brand-text span {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.main-nav {
  display: flex;
  gap: var(--space-5);
  list-style: none;
  font-family: var(--font-ui);
  font-size: var(--text-sm);
}
.main-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-2) 0;
}
.main-nav a:hover { color: var(--color-text); }

.header-actions { display: flex; align-items: center; gap: var(--space-3); }

.theme-toggle {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.theme-toggle:hover { background: var(--color-surface-offset); }

.nav-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  align-items: center;
  justify-content: center;
}

@media (max-width: 800px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  padding-block: clamp(var(--space-16), 10vw, var(--space-32)) clamp(var(--space-10), 6vw, var(--space-16));
  border-bottom: 1px solid var(--color-divider);
  overflow: hidden;
}
.hero__chart-lines {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.5;
  pointer-events: none;
}
.hero__content { position: relative; z-index: 1; max-width: min(92vw, 58rem); }
.hero__eyebrow { margin-bottom: var(--space-4); }
.hero h1 {
  font-size: var(--text-hero);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-6);
}
.hero h1 em {
  font-style: italic;
  color: var(--color-rust);
}
.hero p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-bottom: var(--space-8);
}
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.hero__meta strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
}
.hero__scroll-cue {
  position: fixed;
  right: var(--space-8);
  bottom: var(--space-8);
  display: none;
  z-index: 5;
  transition: opacity 0.3s ease;
}
.hero__scroll-cue.is-hidden { opacity: 0; pointer-events: none; }
@media (min-width: 900px) {
  .hero__scroll-cue { display: flex; }
}
.hero__scroll-cue {
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  writing-mode: vertical-rl;
}

/* ==========================================================================
   MAP SECTION
   ========================================================================== */
.map-section { padding-block: clamp(var(--space-10), 6vw, var(--space-16)) 0; }
.map-section__header { margin-bottom: var(--space-6); }

.map-shell {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  background: var(--color-surface-offset);
}
#map {
  width: 100%;
  height: min(78vh, 720px);
  min-height: 460px;
  background: var(--color-surface-offset);
}

.map-panel {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 40;
  width: min(300px, calc(100% - 2 * var(--space-4)));
  background: oklch(from var(--color-surface) l c h / 0.96);
  backdrop-filter: blur(6px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  max-height: calc(100% - 2 * var(--space-4));
  overflow-y: auto;
}
.map-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
.map-panel__head h3 {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.map-panel__collapse {
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
}
.map-panel__collapse:hover { background: var(--color-surface-offset); color: var(--color-text); }

.layer-list { padding: var(--space-2) var(--space-2); list-style: none; }
.layer-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: var(--text-sm);
}
.layer-item:hover { background: var(--color-surface-offset); }
.layer-item input {
  appearance: none;
  width: 16px; height: 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  flex-shrink: 0;
  position: relative;
  cursor: pointer;
}
.layer-item input:checked {
  background: var(--swatch, var(--color-primary));
  border-color: var(--swatch, var(--color-primary));
}
.layer-item input:checked::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: var(--color-text-inverse);
  border-radius: 1px;
}
.layer-swatch {
  width: 11px; height: 11px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  background: var(--swatch);
}
.layer-item span.layer-name { color: var(--color-text); flex: 1; }
.layer-item .layer-count {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-variant-numeric: tabular-nums;
}

.map-panel__foot {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-ui);
}
.map-panel__foot button {
  color: var(--color-primary);
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  text-decoration: underline;
}

.map-panel.is-collapsed .layer-list,
.map-panel.is-collapsed .map-panel__foot { display: none; }

/* Leaflet overrides to match theme */
.leaflet-popup-content-wrapper {
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}
.leaflet-popup-tip { background: var(--color-surface); }
.leaflet-container { font-family: var(--font-body); background: var(--color-surface-offset); }
.leaflet-control-zoom a {
  background: var(--color-surface) !important;
  color: var(--color-text) !important;
  border-color: var(--color-border) !important;
}
.leaflet-control-attribution {
  background: oklch(from var(--color-surface) l c h / 0.85) !important;
  color: var(--color-text-faint) !important;
  font-size: 10px !important;
}
.leaflet-control-attribution a { color: var(--color-text-muted) !important; }

.map-popup { max-width: 280px; font-family: var(--font-body); }
.map-popup__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-2);
}
.map-popup h4 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
  line-height: 1.25;
}
.map-popup .dates {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.map-popup .goods {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}
.map-popup .goods span {
  font-family: var(--font-ui);
  font-size: 10px;
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
}
.map-popup p.desc {
  font-size: var(--text-sm);
  line-height: 1.5;
  margin-bottom: var(--space-2);
}
.map-popup .confidence-note {
  font-family: var(--font-ui);
  font-size: 10px;
  color: var(--color-text-faint);
  font-style: italic;
  margin-bottom: var(--space-2);
}
.map-popup .popup-sources {
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-2);
  font-family: var(--font-ui);
  font-size: 10px;
}
.map-popup .popup-sources a {
  display: block;
  color: var(--color-primary);
  margin-bottom: 3px;
  text-decoration: none;
}
.map-popup .popup-sources a:hover { text-decoration: underline; }

.map-caption {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}
.wreck-stories {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-8);
}
.wreck-stories article {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-teal);
}
.wreck-stories h3 { margin: var(--space-2) 0 var(--space-3); font-size: var(--text-xl); }
.wreck-stories p:last-child { margin-bottom: 0; color: var(--color-text-muted); line-height: 1.65; }
.source-map-detail { margin-top: var(--space-6); border: 1px solid var(--color-border); background: var(--color-surface); }
.source-map-detail summary { cursor: pointer; padding: var(--space-5) var(--space-6); color: var(--color-primary); font-family: var(--font-ui); font-weight: 700; }
.source-map-detail figure { margin: 0; padding: 0 var(--space-6) var(--space-6); }
.source-map-detail a { display: block; max-width: 680px; margin-inline: auto; }
.source-map-detail img { display: block; width: 100%; border: 1px solid var(--color-border); }
.source-map-detail figcaption { max-width: 680px; margin: var(--space-4) auto 0; color: var(--color-text-muted); line-height: 1.55; }
@media (max-width: 720px) { .wreck-stories { grid-template-columns: 1fr; } }
.map-caption a { color: var(--color-text-muted); }
.site-number-note {
  margin-top: var(--space-6);
  padding: var(--space-5) var(--space-6);
  background: color-mix(in srgb, var(--color-teal) 8%, var(--color-surface));
  border-left: 4px solid var(--color-teal);
  color: var(--color-text-muted);
}
.site-number-note strong { display: block; margin-bottom: var(--space-2); color: var(--color-text); font-family: var(--font-ui); }
.site-number-note p { margin: 0; line-height: 1.65; }
.wreck-stories article > p:not(.eyebrow) { color: var(--color-text-muted); line-height: 1.65; }

/* ==========================================================================
   TIMELINE
   ========================================================================== */
.timeline-section { padding-block: clamp(var(--space-12), 7vw, var(--space-24)); }

.timeline-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}
.timeline-filter {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: var(--color-surface);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.timeline-filter .dot { width: 8px; height: 8px; border-radius: var(--radius-full); }
.timeline-filter[aria-pressed='true'] {
  background: var(--color-text);
  color: var(--color-text-inverse);
  border-color: var(--color-text);
}
.timeline-filter[aria-pressed='true'] .dot { background: var(--color-text-inverse) !important; }
.timeline-filter:hover:not([aria-pressed='true']) { border-color: var(--color-text-muted); }

.timeline-rail {
  position: relative;
  padding-left: var(--space-8);
  border-left: 2px solid var(--color-divider);
}
.timeline-item {
  position: relative;
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--color-divider);
}
.timeline-item:last-child { border-bottom: none; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-8) - 5px);
  top: var(--space-6);
  width: 10px; height: 10px;
  border-radius: var(--radius-full);
  background: var(--dot, var(--color-primary));
  border: 2px solid var(--color-bg);
}
.timeline-item__year {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--dot, var(--color-primary));
  min-width: 90px;
  display: inline-block;
}
.timeline-item__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-block: var(--space-1) var(--space-2);
}
.timeline-item__text {
  color: var(--color-text-muted);
  max-width: 68ch;
  font-size: var(--text-base);
}
.timeline-item.is-hidden { display: none; }

/* ==========================================================================
   NARRATIVE / GOODS SECTION
   ========================================================================== */
.narrative-section { padding-block: clamp(var(--space-12), 7vw, var(--space-24)); background: var(--color-surface); border-top: 1px solid var(--color-divider); border-bottom: 1px solid var(--color-divider); }
.narrative-grid {
  display: grid;
  gap: var(--space-10);
  grid-template-columns: 1.3fr 1fr;
}
@media (max-width: 860px) {
  .narrative-grid { grid-template-columns: 1fr; }
}
.narrative-prose p {
  max-width: 68ch;
  margin-bottom: var(--space-5);
  font-size: var(--text-base);
  line-height: 1.7;
}
.narrative-prose blockquote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text);
  border-left: 3px solid var(--color-rust);
  padding-left: var(--space-5);
  margin-block: var(--space-8);
  max-width: 56ch;
}
.narrative-prose blockquote cite {
  display: block;
  font-family: var(--font-ui);
  font-style: normal;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.goods-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  align-self: start;
}
.goods-card h3 {
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
}
.goods-row {
  display: flex;
  gap: var(--space-3);
  padding-block: var(--space-3);
  border-top: 1px solid var(--color-divider);
}
.goods-row:first-of-type { border-top: none; }
.goods-row .dot { width: 9px; height: 9px; border-radius: var(--radius-full); margin-top: 6px; flex-shrink: 0; }
.goods-row strong {
  display: block;
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  margin-bottom: 2px;
}
.goods-row span {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ==========================================================================
   SOURCES / BIBLIOGRAPHY
   ========================================================================== */
.sources-section { padding-block: clamp(var(--space-12), 7vw, var(--space-24)); }
.sources-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8) var(--space-10);
}
@media (max-width: 760px) {
  .sources-grid { grid-template-columns: 1fr; }
}
.sources-group h3 {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
  padding-bottom: var(--space-2);
}
.sources-group ul { list-style: none; }
.sources-group li {
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
  line-height: 1.5;
}
.sources-group a { text-decoration-color: oklch(from var(--color-primary) l c h / 0.4); }
.sources-group .src-note { color: var(--color-text-muted); }


/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  padding-block: var(--space-10);
  border-top: 1px solid var(--color-divider);
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.site-footer__inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ==========================================================================
   MOBILE NAV DRAWER
   ========================================================================== */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: oklch(from var(--color-bg) l c h / 0.98);
  backdrop-filter: blur(8px);
  display: none;
  flex-direction: column;
  padding: var(--space-6);
}
.mobile-nav.is-open { display: flex; }
.mobile-nav__head { display: flex; justify-content: flex-end; margin-bottom: var(--space-8); }
.mobile-nav ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-6); }
.mobile-nav a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  text-decoration: none;
}

@media (min-width: 44em) {
  .container { padding-inline: var(--space-8); }
}