:root {
  --ink: #22262b;
  --muted: #5b6470;
  --line: #e4e2db;
  --bg: #faf8f3;
  --card: #ffffff;
  --accent: #b5654a;
  --accent-dark: #8f4c37;
  --maxw: 760px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Georgia, serif;
  line-height: 1.65;
}

header.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--card);
}

.site-header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 22px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.site-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.site-title span { color: var(--accent); }

nav.site-nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 18px;
  font-size: 0.92rem;
}

nav.site-nav a:hover { color: var(--accent-dark); }

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 36px 20px 60px;
}

h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 8px; letter-spacing: -0.01em; }
h2 { font-size: 1.35rem; margin: 34px 0 10px; }
h3 { font-size: 1.1rem; margin: 22px 0 8px; }

p { margin: 0 0 16px; color: var(--ink); }
.meta { color: var(--muted); font-size: 0.88rem; margin-bottom: 26px; }

.disclosure {
  background: #f2efe6;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 0.85rem;
  color: var(--muted);
  margin: 20px 0 30px;
}

.product-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px 22px;
  margin: 18px 0 28px;
}

.product-card .badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 9px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.product-card h3 { margin-top: 0; }

.cta {
  display: inline-block;
  margin-top: 6px;
  background: var(--accent);
  color: #fff !important;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 10px 18px;
  border-radius: 7px;
}

.cta:hover { background: var(--accent-dark); }

ul.checklist { padding-left: 20px; }
ul.checklist li { margin-bottom: 8px; }

.index-list { list-style: none; padding: 0; margin: 0; }
.index-list li {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.index-list a {
  color: var(--ink);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 600;
}
.index-list a:hover { color: var(--accent-dark); }
.index-list .excerpt { color: var(--muted); font-size: 0.92rem; margin-top: 4px; }

footer.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 40px;
}
.site-footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 26px 20px 50px;
  color: var(--muted);
  font-size: 0.85rem;
}
.site-footer-inner a { color: var(--muted); }

/* ---- Ecosphere Species Explorer ---- */

.tool-wrap { max-width: 980px; }

.tool-intro { max-width: 700px; }

.disclaimer-banner {
  background: #f2efe6;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: 14px 18px;
  font-size: 0.88rem;
  color: var(--muted);
  margin: 18px 0 28px;
}

.map-legend {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--muted);
  margin: 10px 0 18px;
}
.map-legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend-swatch { width: 13px; height: 13px; border-radius: 3px; display: inline-block; }

.map-wrap {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  position: relative;
}

#us-map { width: 100%; height: auto; display: block; }

#us-map path {
  stroke: var(--card);
  stroke-width: 1px;
  transition: fill 0.15s ease;
}
#us-map path.has-data { fill: var(--accent); cursor: pointer; }
#us-map path.has-data:hover { fill: var(--accent-dark); }
#us-map path.planned { fill: #d8b9a8; cursor: pointer; }
#us-map path.no-data { fill: #ddd9cd; cursor: default; }

.map-tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--ink);
  color: #fff;
  font-size: 0.82rem;
  padding: 6px 10px;
  border-radius: 6px;
  transform: translate(-50%, -120%);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.1s ease;
  z-index: 5;
}
.map-tooltip.visible { opacity: 1; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--accent-dark);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0;
  margin-bottom: 16px;
}
.back-link:hover { text-decoration: underline; }

.state-panel { margin-top: 6px; }
.state-panel h2 { margin-top: 0; }

.region-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 14px;
  overflow: hidden;
}
.region-card-head {
  padding: 16px 18px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.region-card-head:hover { background: #f6f3ec; }
.region-card-head h3 { margin: 0 0 2px; font-size: 1.05rem; }
.region-card-head .region-subtitle { color: var(--muted); font-size: 0.82rem; }
.region-card-toggle { font-size: 1.2rem; color: var(--accent); flex-shrink: 0; }

.region-preview {
  padding: 0 18px 16px;
  color: var(--muted);
  font-size: 0.92rem;
  display: none;
}
.region-card.hovered .region-preview { display: block; }

.region-body {
  padding: 0 18px 20px;
  display: none;
  border-top: 1px solid var(--line);
}
.region-card.expanded .region-body { display: block; padding-top: 16px; }
.region-card.expanded .region-preview { display: none; }

.species-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.species-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  cursor: pointer;
  background: var(--bg);
}
.species-card:hover { border-color: var(--accent); }
.species-card h4 { margin: 0 0 2px; font-size: 0.98rem; }
.species-card .sci { font-style: italic; color: var(--muted); font-size: 0.82rem; margin-bottom: 8px; }
.species-card p { font-size: 0.85rem; margin: 0 0 10px; color: var(--ink); }

.badge-row { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 2px 8px;
  border-radius: 999px;
}
.tag-native { background: #e3ecdf; color: #3f6b3a; }
.tag-invasive { background: #f4dede; color: #a33; }
.tag-suitable-yes { background: #e3ecdf; color: #3f6b3a; }
.tag-suitable-conditional { background: #f4ecd6; color: #96751a; }
.tag-suitable-no { background: #f4dede; color: #a33; }
.tag-difficulty { background: #e7e4d9; color: var(--muted); }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 18, 14, 0.55);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  overflow-y: auto;
  z-index: 50;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--card);
  border-radius: 12px;
  max-width: 560px;
  width: 100%;
  padding: 26px 28px 28px;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  color: var(--muted);
}
.modal-box h3 { margin: 0 0 2px; }
.modal-box .sci { font-style: italic; color: var(--muted); margin-bottom: 14px; }
.modal-field { margin-bottom: 14px; }
.modal-field h5 {
  margin: 0 0 4px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.modal-field p { margin: 0; }
.legal-note {
  background: #f4ecd6;
  border-left: 3px solid #b5934a;
  border-radius: 4px;
  padding: 10px 14px;
  font-size: 0.88rem;
}

@media (max-width: 600px) {
  .region-card-head { flex-wrap: wrap; }
}