:root {
  --atlas-panel: #F7F5F0;
  --atlas-surface: #FCFAF5;
  --atlas-white: #FFFFFF;
  --atlas-border: #E3DDD0;
  --atlas-border-soft: #EDE8DD;
  --atlas-ink: #1C1C1C;
  --atlas-muted: #6F6A61;
  --atlas-teal: #1F7A78;
  --atlas-teal-deep: #155957;
  --atlas-teal-tint: #E2EEED;
}
* { box-sizing: border-box; }
html { background: var(--atlas-panel); color: var(--atlas-ink); font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
body { margin: 0; line-height: 1.55; }
a { color: var(--atlas-teal-deep); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--atlas-teal); }
.site-header { border-bottom: 1px solid var(--atlas-border); background: var(--atlas-surface); }
.site-header-inner { max-width: 1120px; margin: 0 auto; padding: 16px 20px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--atlas-teal); text-decoration: none; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; }
.brand img { width: 34px; height: 34px; object-fit: contain; }
.nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 14px; }
.nav a { text-decoration: none; font-weight: 650; }
.nav .primary { background: var(--atlas-teal); color: var(--atlas-white); padding: 7px 10px; border-radius: 6px; }
.nav .primary:hover { background: var(--atlas-teal-deep); color: var(--atlas-white); }
main { max-width: 1120px; margin: 0 auto; padding: 42px 20px 64px; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; padding-bottom: 28px; border-bottom: 1px solid var(--atlas-border); }
.eyebrow { margin: 0 0 8px; color: var(--atlas-teal-deep); font-weight: 750; font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; }
h1 { margin: 0; max-width: 860px; font-size: clamp(32px, 6vw, 58px); line-height: 1.02; letter-spacing: 0; }
.lede { max-width: 780px; margin: 0; color: var(--atlas-muted); font-size: 18px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 6px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 38px; padding: 8px 12px; border-radius: 6px; border: 1px solid var(--atlas-border); background: var(--atlas-white); color: var(--atlas-teal-deep); text-decoration: none; font-weight: 700; }
.button.primary { background: var(--atlas-teal); border-color: var(--atlas-teal); color: var(--atlas-white); }
.button.primary:hover { background: var(--atlas-teal-deep); color: var(--atlas-white); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 28px; }
.card { background: var(--atlas-white); border: 1px solid var(--atlas-border); border-radius: 8px; padding: 18px; }
.card h2, .card h3 { margin: 0 0 8px; font-size: 18px; line-height: 1.25; }
.card p { margin: 0; color: var(--atlas-muted); }
.section { margin-top: 34px; }
.section h2 { margin: 0 0 12px; font-size: 26px; line-height: 1.2; }
.section h3 { margin: 22px 0 8px; font-size: 19px; }
.section p, .section li { max-width: 850px; }
ul.clean { padding-left: 20px; }
.meta-table { width: 100%; border-collapse: collapse; background: var(--atlas-white); border: 1px solid var(--atlas-border); border-radius: 8px; overflow: hidden; }
.meta-table th, .meta-table td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--atlas-border-soft); }
.meta-table th { width: 180px; color: var(--atlas-muted); font-weight: 700; }
.dataset-list { display: grid; gap: 12px; margin-top: 18px; }
.dataset-row { display: grid; gap: 6px; background: var(--atlas-white); border: 1px solid var(--atlas-border); border-radius: 8px; padding: 16px; }
.dataset-row strong { font-size: 17px; }
.dataset-row span { color: var(--atlas-muted); }
.notice { background: var(--atlas-teal-tint); border: 1px solid #C5D9D7; border-radius: 8px; padding: 14px 16px; color: var(--atlas-teal-deep); }
.site-footer { border-top: 1px solid var(--atlas-border); background: var(--atlas-surface); }
.site-footer-inner { max-width: 1120px; margin: 0 auto; padding: 20px; color: var(--atlas-muted); font-size: 13px; }
@media (max-width: 700px) {
  .site-header-inner { align-items: flex-start; flex-direction: column; }
  main { padding-top: 30px; }
  h1 { font-size: 34px; }
  .lede { font-size: 16px; }
  .meta-table, .meta-table tbody, .meta-table tr, .meta-table th, .meta-table td { display: block; width: 100%; }
  .meta-table th { border-bottom: 0; padding-bottom: 2px; }
  .meta-table td { padding-top: 2px; }
}