:root {
  --ink: #17211d;
  --muted: #56635c;
  --paper: #f7f8f4;
  --surface: #ffffff;
  --forest: #174c3c;
  --forest-2: #236c55;
  --water: #27778a;
  --sun: #f2b84b;
  --line: #d9dfda;
  --danger: #a74432;
  --shadow: 0 12px 32px rgba(23, 33, 29, 0.09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}
a { color: inherit; }
img, iframe { display: block; max-width: 100%; }
button, input, select { font: inherit; }
button, .button { min-height: 44px; }
.skip-link { position: absolute; left: -999px; top: 8px; z-index: 100; background: #fff; padding: 8px 12px; }
.skip-link:focus { left: 8px; }
.container { width: min(1120px, calc(100% - 32px)); margin-inline: auto; }
.narrow { width: min(780px, calc(100% - 32px)); margin-inline: auto; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(248, 249, 246, .96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.nav-shell { min-height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; background: var(--forest); color: white; border-radius: 6px; font-size: 18px; }
.desktop-nav { display: flex; align-items: center; gap: 24px; }
.desktop-nav a, .mobile-nav a { color: var(--muted); text-decoration: none; font-weight: 650; }
.desktop-nav a:hover, .desktop-nav a[aria-current="page"], .mobile-nav a:hover { color: var(--forest); }
.menu-button { display: none; border: 1px solid var(--line); border-radius: 6px; background: white; width: 44px; color: var(--ink); cursor: pointer; }
.mobile-nav { display: none; padding: 0 0 18px; }
.mobile-nav.open { display: grid; gap: 12px; }

.hero { padding: 64px 0 54px; background: var(--forest); color: white; }
.hero-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr); align-items: center; gap: 48px; }
.hero h1 { font-size: clamp(2.55rem, 4.5vw, 3.8rem); }
.eyebrow { margin: 0 0 10px; color: #bfe0d2; font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .09em; }
h1, h2, h3 { line-height: 1.17; letter-spacing: 0; }
h1 { margin: 0 0 18px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.55rem, 5.5vw, 4.9rem); font-weight: 700; }
h2 { margin: 0 0 14px; font-size: clamp(1.75rem, 3vw, 2.55rem); }
h3 { margin: 0 0 8px; font-size: 1.16rem; }
.hero-copy { max-width: 650px; color: #e2eee8; font-size: 1.1rem; }
.action-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 17px; border: 1px solid transparent; border-radius: 6px; background: var(--sun); color: #34270d; text-decoration: none; font-weight: 800; cursor: pointer; }
.button.secondary { background: transparent; color: white; border-color: rgba(255,255,255,.48); }
.button.dark { background: var(--forest); color: white; }
.button.ghost { background: white; color: var(--forest); border-color: var(--line); }
.map-frame { position: relative; overflow: hidden; min-height: 410px; border: 1px solid rgba(255,255,255,.25); border-radius: 8px; background: #d8e3df; box-shadow: var(--shadow); }
#home-map { position: relative; min-height: 410px; overflow: hidden; background: #b8d9df; }
.map-fallback { position: absolute; inset: 0; z-index: 0; overflow: hidden; background: #a8d2dc; color: #173a42; }
.map-fallback::before { content: ""; position: absolute; width: 64%; height: 130%; left: -19%; top: -12%; background: #dfe7d5; border-right: 7px solid #e7cc81; border-radius: 38% 58% 42% 48%; transform: rotate(-7deg); }
.map-fallback::after { content: ""; position: absolute; width: 9%; height: 85%; left: 53%; top: 7%; background: #e6ca7b; border-radius: 48% 40% 55% 45%; transform: rotate(10deg); box-shadow: -20px 4px 0 -13px #719f87; }
.fallback-ocean, .fallback-mainland, .fallback-island { position: absolute; z-index: 1; font-size: .75rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.fallback-ocean { right: 9%; top: 47%; color: #285e69; }
.fallback-mainland { left: 8%; top: 18%; color: #4f654b; }
.fallback-island { left: 57%; top: 45%; color: #6b5427; writing-mode: vertical-rl; }
.fallback-note { position: absolute; z-index: 1; left: 12px; bottom: 10px; margin: 0; padding: 4px 7px; background: rgba(255,255,255,.86); border-radius: 3px; font-size: .68rem; }
.leaflet-container { position: relative; overflow: hidden; outline-offset: 1px; font: 12px/1.5 Arial, Helvetica, sans-serif; }
.leaflet-pane, .leaflet-tile, .leaflet-marker-icon, .leaflet-marker-shadow, .leaflet-tile-container, .leaflet-pane > svg, .leaflet-pane > canvas { position: absolute; left: 0; top: 0; }
.leaflet-map-pane { z-index: 2; }
.leaflet-tile-pane { z-index: 200; }
.leaflet-overlay-pane { z-index: 400; }
.leaflet-shadow-pane { z-index: 500; }
.leaflet-marker-pane { z-index: 600; }
.leaflet-tooltip-pane { z-index: 650; }
.leaflet-popup-pane { z-index: 700; }
.leaflet-tile { visibility: hidden; }
.leaflet-tile-loaded { visibility: inherit; }
.leaflet-zoom-animated { transform-origin: 0 0; }
.leaflet-control-container { position: relative; z-index: 800; }
.leaflet-top, .leaflet-bottom { position: absolute; z-index: 1000; pointer-events: none; }
.leaflet-top { top: 0; } .leaflet-right { right: 0; } .leaflet-bottom { bottom: 0; } .leaflet-left { left: 0; }
.leaflet-control { position: relative; z-index: 800; pointer-events: auto; margin: 10px; }
.leaflet-bar a { display: block; width: 30px; height: 30px; background: #fff; color: #222; text-align: center; text-decoration: none; font: bold 20px/30px Arial; border-bottom: 1px solid #ccc; }
.leaflet-control-scale-line { padding: 1px 5px; border: 2px solid #333; border-top: 0; background: rgba(255,255,255,.8); color: #222; line-height: 1.1; }
.leaflet-popup-content-wrapper { padding: 1px; border-radius: 6px; background: #fff; box-shadow: 0 3px 14px rgba(0,0,0,.35); }
.leaflet-popup-content { margin: 12px 16px; line-height: 1.4; }
.map-legend { position: absolute; z-index: 500; right: 12px; bottom: 12px; max-width: 210px; padding: 10px 12px; border-radius: 5px; background: rgba(255,255,255,.94); color: var(--ink); font-size: .76rem; box-shadow: 0 5px 18px rgba(0,0,0,.15); }
.legend-line { display: inline-block; width: 24px; height: 4px; margin-right: 7px; vertical-align: middle; background: var(--danger); }
.map-credit { margin: 8px 0 0; font-size: .75rem; color: #d7e7e0; }

.section { padding: 64px 0; }
.section.white { background: var(--surface); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 28px; }
.section-head p { max-width: 610px; margin: 0; color: var(--muted); }
.choice-grid, .card-grid, .metadata-grid { display: grid; gap: 18px; }
.choice-grid { grid-template-columns: repeat(3, 1fr); }
.card-grid { grid-template-columns: repeat(3, 1fr); }
.metadata-grid { grid-template-columns: repeat(4, 1fr); }
.choice, .card, .metadata-item { border: 1px solid var(--line); border-radius: 7px; background: var(--surface); }
.choice { padding: 24px; text-decoration: none; transition: transform .18s ease, border-color .18s ease; }
.choice:hover { transform: translateY(-3px); border-color: var(--forest-2); }
.choice-number { color: var(--forest-2); font-size: .78rem; font-weight: 900; text-transform: uppercase; }
.choice p, .card p { margin-bottom: 0; color: var(--muted); }
.card { overflow: hidden; }
.card-body { padding: 22px; }
.card-band { height: 8px; background: var(--water); }
.card-band.land { background: var(--forest-2); }
.card-band.case { background: var(--danger); }
.tag { display: inline-block; padding: 3px 8px; margin-bottom: 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: .72rem; font-weight: 800; text-transform: uppercase; }
.text-link { color: var(--forest-2); font-weight: 800; text-underline-offset: 3px; }
.status-strip { padding: 18px 0; background: #e6eee9; border-block: 1px solid #cedbd3; }
.status-strip p { margin: 0; color: #33483e; font-size: .92rem; }

.page-hero { padding: 54px 0 44px; background: #e6eee9; border-bottom: 1px solid #cad7cf; }
.page-hero h1 { max-width: 900px; color: var(--ink); font-size: clamp(2.35rem, 5vw, 4.2rem); }
.page-hero .lead { max-width: 800px; margin: 0; color: #3e5148; font-size: 1.12rem; }
.breadcrumbs { margin-bottom: 16px; color: var(--muted); font-size: .86rem; }
.breadcrumbs a { color: var(--forest-2); }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 48px; align-items: start; }
.article-body h2 { margin-top: 42px; }
.article-body h3 { margin-top: 28px; }
.article-body p, .article-body li { color: #34423b; }
.article-body a { color: #146179; text-underline-offset: 3px; }
.side-panel { position: sticky; top: 92px; padding: 20px; border: 1px solid var(--line); border-radius: 7px; background: white; }
.side-panel dl { margin: 0; }
.side-panel dt { margin-top: 13px; color: var(--muted); font-size: .74rem; font-weight: 800; text-transform: uppercase; }
.side-panel dd { margin: 2px 0 0; }
.metadata-item { padding: 16px; }
.metadata-item span { display: block; color: var(--muted); font-size: .74rem; font-weight: 800; text-transform: uppercase; }
.figure { margin: 30px 0; border: 1px solid var(--line); border-radius: 7px; overflow: hidden; background: white; }
.figure iframe { width: 100%; height: 460px; border: 0; }
.figure figcaption { padding: 13px 16px; color: var(--muted); font-size: .82rem; border-top: 1px solid var(--line); }
.diagram { padding: 24px; background: #dce8e2; }
.island-diagram { min-height: 270px; display: grid; grid-template-rows: 1fr 34px 48px 34px 1fr; align-items: center; text-align: center; color: #2d493d; }
.island-diagram .ocean { color: #1c6575; font-weight: 800; }
.island-diagram .island { height: 48px; background: #d8b568; border: 3px solid #b18b3f; transform: skewX(-14deg); }
.island-diagram .lagoon { height: 34px; background: #6fb1bc; }
.callout, .task-box, .warning { padding: 20px 22px; margin: 28px 0; border-left: 4px solid var(--forest-2); background: #edf3ef; }
.warning { border-left-color: var(--sun); background: #fff7e4; }
.task-box { border-left-color: var(--water); background: #eaf4f6; }
.answer { margin-top: 14px; }
.answer summary { cursor: pointer; color: var(--forest); font-weight: 800; }
.source-list li { margin-bottom: 10px; }

.tool-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.tool-panel, .result-panel { padding: 26px; border: 1px solid var(--line); border-radius: 7px; background: white; }
.field { margin-bottom: 18px; }
.field label { display: block; margin-bottom: 6px; font-weight: 750; }
.field input, .field select { width: 100%; min-height: 46px; padding: 9px 11px; border: 1px solid #aab7af; border-radius: 5px; background: #fff; color: var(--ink); }
.field input:focus, .field select:focus { outline: 3px solid rgba(39,119,138,.2); border-color: var(--water); }
.result-number { margin: 8px 0 2px; font-size: 2.25rem; font-weight: 850; color: var(--forest); overflow-wrap: anywhere; }
.error { min-height: 24px; color: var(--danger); font-weight: 700; }
.formula { padding: 12px; background: #f0f2ef; border-radius: 5px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; overflow-x: auto; }
.checklist { padding-left: 20px; }
.checklist li { margin-bottom: 10px; }
.path-step { display: grid; grid-template-columns: 52px 1fr; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.step-number { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%; background: var(--forest); color: white; font-weight: 850; }
.notice { padding: 18px 0; background: #fff4d8; border-block: 1px solid #ead39b; }
.notice p { margin: 0; }

.site-footer { padding: 45px 0; background: #14271f; color: #dce9e2; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.site-footer a { color: #dce9e2; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li { margin-bottom: 7px; }
.footer-note { margin-top: 28px; padding-top: 18px; border-top: 1px solid #385044; color: #aac0b5; font-size: .82rem; }

@media (max-width: 860px) {
  .desktop-nav { display: none; }
  .menu-button { display: grid; place-items: center; }
  .hero-grid, .content-grid, .tool-layout { grid-template-columns: 1fr; }
  .hero-grid { gap: 30px; }
  .map-frame, #home-map { min-height: 360px; }
  .choice-grid, .card-grid { grid-template-columns: 1fr; }
  .metadata-grid { grid-template-columns: repeat(2, 1fr); }
  .side-panel { position: static; }
}

@media (max-width: 560px) {
  .container, .narrow { width: min(100% - 24px, 1120px); }
  .section { padding: 38px 0; }
  .hero { padding: 0; overflow: hidden; }
  .hero-grid { position: relative; display: block; min-height: 720px; padding: 32px 0; }
  .hero-grid::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(23,76,60,.98) 0%, rgba(23,76,60,.94) 61%, rgba(23,76,60,.28) 86%, rgba(23,76,60,.08) 100%); pointer-events: none; }
  .hero-grid > div:first-child { position: relative; z-index: 2; }
  .hero-grid > div:last-child { position: absolute; inset: 0; z-index: 0; }
  .hero h1 { font-size: 2.4rem; }
  .hero-copy { font-size: 1rem; }
  .hero .action-row { gap: 8px; margin-top: 20px; }
  .hero .button { padding-inline: 12px; font-size: .9rem; }
  .hero .map-frame, .hero #home-map { width: 100%; height: 100%; min-height: 720px; border: 0; border-radius: 0; }
  .hero .map-legend { display: none; }
  .hero .map-credit { position: absolute; z-index: 3; left: 10px; right: 10px; bottom: 8px; margin: 0; padding: 6px 8px; border-radius: 3px; background: rgba(20,39,31,.83); color: #edf5f0; font-size: .65rem; }
  .section-head { display: block; }
  .metadata-grid, .footer-grid { grid-template-columns: 1fr; }
  .figure iframe { height: 340px; }
  .map-legend { max-width: 180px; }
}



/* Evidence notes and site information: shared GeoExplore typography */
.article-byline{color:var(--muted);font-size:.85rem;border-bottom:1px solid var(--line);padding-bottom:16px}
.evidence-record{margin:24px 0 36px;padding:20px 24px;background:#edf3ee;border-left:4px solid var(--forest);font-size:.92rem}.evidence-record p{margin-bottom:0}
.policy-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:64px;padding-block:48px 80px;align-items:start}
.policy-index{position:sticky;top:94px}.policy-index .eyebrow{color:var(--forest)}.policy-index nav{display:grid}.policy-index nav a{display:flex;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);text-decoration:none;font-size:.9rem}.policy-index nav span,.section-number{color:var(--water);font-family:monospace}.policy-date{font-size:.85rem;color:var(--muted);margin-top:24px}
.policy-body{min-width:0;background:var(--surface);padding:36px 40px;border-top:5px solid var(--forest)}.policy-body section{scroll-margin-top:100px;padding:24px 0;border-bottom:1px solid var(--line)}.policy-body section:first-child{padding-top:0}.policy-body section:last-child{border:0}.policy-body h2{font-family:Georgia,serif;font-size:1.8rem;margin-top:8px}.policy-body p,.policy-body li{overflow-wrap:anywhere}.policy-body a,.about-copy a,.contact-layout a,.evidence-record a{color:var(--forest);text-decoration:underline;text-underline-offset:3px}
.about-copy{padding-block:46px 70px}.about-copy section{padding:22px 0;border-bottom:1px solid var(--line)}.about-copy li{padding:8px 0}.about-copy h2{font-size:1.8rem}
.contact-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:56px;padding-block:48px 80px}.contact-notes h2,.contact-panel h2{font-size:1.8rem}.contact-notes h3{margin-top:30px}.contact-notes a{overflow-wrap:anywhere}.contact-panel{background:white;padding:32px;border-top:5px solid var(--forest)}#contact-form{display:grid;gap:10px}#contact-form label{font-weight:700;margin-top:12px}#contact-form input,#contact-form select,#contact-form textarea{width:100%;min-width:0;padding:12px;border:1px solid #9caea3;border-radius:4px;background:white;color:var(--ink);font:inherit}#contact-form textarea{resize:vertical}#contact-form .button{justify-self:start;background:var(--forest);color:white}#contact-form button:disabled{opacity:.5;cursor:not-allowed}.form-note{font-size:.88rem;color:var(--muted)}#contact-status{color:var(--forest)}:focus-visible{outline:3px solid var(--water);outline-offset:3px}
@media(max-width:800px){.policy-layout,.contact-layout{grid-template-columns:1fr;gap:24px;padding-block:28px 48px}.policy-index{position:static}.policy-index nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px}.policy-body,.contact-panel{padding:24px 20px}.policy-body h2{font-size:1.55rem}.policy-body .data-table{overflow-x:auto}.policy-body table{min-width:530px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.page-hero .eyebrow{color:var(--forest)}