:root {
  --ink: #302a36;
  --blue: #713b69;
  --pale: #eee5f0;
  --line: #ddd4e0;
  --muted: #6d6472;
  --paper: #faf9fb;
  --mint: #eee5f0;
  font-family: 'Avenir Next', Avenir, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: var(--blue); text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
button, input, select { font: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, [tabindex]:focus-visible, summary:focus-visible {
  outline: 3px solid var(--blue); outline-offset: 4px;
}
header, main, footer { max-width: 1240px; margin: auto; padding-left: 44px; padding-right: 44px; }
header { display: flex; justify-content: space-between; align-items: center; min-height: 92px; gap: 24px; }
.logo { font-weight: 750; font-size: 25px; letter-spacing: -1px; text-decoration: none; color: var(--ink); display: flex; align-items: center; gap: 12px; }
/* A plotted point surrounded by four rays: an original mark for Heliograph. */
.mark { position: relative; width: 29px; height: 29px; flex: 0 0 29px; border: 2px solid var(--blue); border-radius: 50%; }
.mark::before { content: ''; position: absolute; inset: 7px; border-radius: 50%; background: var(--blue); }
.mark::after { content: ''; position: absolute; width: 3px; height: 3px; border-radius: 50%; background: var(--blue); top: -6px; left: 11px; box-shadow: 0 34px var(--blue), 17px 17px var(--blue), -17px 17px var(--blue); }
nav { display: flex; gap: 26px; }
nav a { font-size: 14px; font-weight: 550; color: var(--ink); text-decoration: none; }
nav a:hover { color: var(--blue); text-decoration: underline; }
h1, h2, p { margin-top: 0; }
h1 { font-size: clamp(40px, 4.7vw, 61px); line-height: 1.05; letter-spacing: -2.6px; font-weight: 650; margin-bottom: 22px; }
h2 { font-size: 29px; letter-spacing: -1px; line-height: 1.2; margin-bottom: 12px; font-weight: 650; }
p { max-width: 72ch; color: var(--muted); }
section { margin-bottom: 58px; scroll-margin-top: 24px; }
.intro { display: grid; grid-template-columns: .85fr 1.3fr; gap: 46px; align-items: center; padding: 30px 0 42px; margin-bottom: 22px; }
.intro p { max-width: 38ch; margin-bottom: 23px; font-size: 16px; }
.intro .hero-note { max-width: 35ch; font-size: 12px; margin-top: 16px; margin-bottom: 0; line-height: 1.5; }
#rotating-brand { color: var(--blue); display: inline-block; white-space: nowrap; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; background: var(--blue); color: white; padding: 11px 22px; border-radius: 8px; font-weight: 650; text-decoration: none; }
.button:hover { background: #562b50; }
/* Maps are static raster images, and remain the hero's strongest visual element. */
.map-showcase { min-width: 0; overflow: hidden; background: var(--pale); border-radius: 20px 20px 8px 8px; padding: 8px 10px 0; }
.hero-map { margin: 0; }
.hero-map img { display: block; width: 100%; height: auto; border-radius: 14px; }
.hero-map figcaption { padding: 9px 13px 12px; display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.hero-map figcaption > a { font-size: 21px; font-weight: 650; letter-spacing: -.55px; color: var(--ink); text-decoration: none; }
.hero-map figcaption > a:hover { text-decoration: underline; }
.hero-map figcaption > span { font-size: 12px; color: var(--muted); }
.map-controls { display: flex; align-items: center; justify-content: space-between; gap: 10px; border-top: 1px solid #d5c7d8; padding: 6px 10px 7px 13px; font-size: 11px; color: var(--muted); }
.map-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); margin-right: 6px; }
#rotation-toggle { display: inline-grid; place-items: center; flex: 0 0 44px; width: 44px; min-height: 44px; background: transparent; border: 1px solid #c2aec5; border-radius: 50%; color: var(--blue); font-size: 14px; font-weight: 650; cursor: pointer; padding: 0; text-decoration: none; line-height: 1; }
#rotation-toggle:hover { background: #fff; }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.section-heading p { margin-bottom: 20px; font-size: 14px; }
.badge { color: var(--blue); background: var(--pale); padding: 6px 12px; border-radius: 6px; font-size: 12px; font-weight: 550; }
.filters { display: flex; flex-wrap: wrap; gap: 16px; padding: 17px 20px; background: #f0edf2; border: 1px solid #e5dee8; border-radius: 10px; align-items: end; }
.filters label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; font-weight: 650; }
.filters label:first-child { flex: 1 1 220px; }
.filters label:not(:first-child) { flex: 0 1 auto; }
.filters label:first-child { color: var(--ink); }
#search { padding-left: 39px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23713b69' stroke-width='1.8' stroke-linecap='round'%3E%3Ccircle cx='10.5' cy='10.5' r='6.5'/%3E%3Cpath d='m16 16 5 5'/%3E%3C/svg%3E"); background-position: 12px center; background-repeat: no-repeat; }
input, select { border: 1px solid #b7aabc; background: #fff; border-radius: 6px; min-height: 44px; padding: 8px 12px; color: var(--ink); width: 100%; font-size: 14px; }
input::placeholder { color: #7d7482; }
.reset { border: 0; background: transparent; color: var(--blue); padding: 10px 2px; cursor: pointer; text-decoration: underline; white-space: nowrap; font-size: 13px; }
#result-count { font-size: 12px; margin: 17px 0 9px; font-variant-numeric: tabular-nums; }
#empty { padding: 24px 20px; margin: 0; border-bottom: 1px solid var(--line); background: var(--pale); font-size: 14px; }
.table-scroll { overflow-x: auto; border-bottom: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; text-align: left; }
th { font-size: 12px; color: var(--muted); font-weight: 650; padding: 12px 16px; background: #f0edf2; white-space: nowrap; }
td { padding: 15px 16px; border-bottom: 1px solid #e7e0ea; font-size: 13px; vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
#dataset-table tbody tr:hover, #dataset-table tbody tr:focus-within { background: #f2edf4; }
#dataset-table th:first-child, #dataset-table td:first-child { padding-left: 20px; }
#dataset-table .brand { display: inline-block; padding: 3px 0; }
#dataset-table .sub { line-height: 1.4; }
td.number { font-variant-numeric: tabular-nums; font-size: 18px; font-weight: 600; letter-spacing: -.3px; }
.brand { font-size: 17px; font-weight: 650; color: var(--ink); text-decoration: none; letter-spacing: -.3px; }
.brand:hover { color: var(--blue); text-decoration: underline; }
.sub { display: block; font-size: 11px; color: var(--muted); font-weight: 400; }
td a, td time { white-space: nowrap; }
td:last-child > a { font-weight: 550; text-decoration: none; }
td:last-child > a:hover { text-decoration: underline; }
.method { display: grid; grid-template-columns: 1fr 1.5fr; gap: 70px; padding: 36px 0 0; border-top: 1px solid var(--line); }
.method p { font-size: 14px; }
.method p:last-child { margin-bottom: 0; }
footer { border-top: 1px solid var(--line); padding-top: 25px; padding-bottom: 32px; display: flex; flex-wrap: wrap; gap: 12px 24px; font-size: 11px; color: var(--muted); }
footer strong { font-size: 15px; color: var(--ink); }
.back { display: inline-block; margin: 14px 0 30px; font-size: 13px; }
.product-head { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; align-items: start; }
.product-head h1 span { color: var(--muted); font-weight: 400; }
.download { padding: 28px; background: var(--pale); border-radius: 12px; }
.download h2 { font-size: 25px; }
.download p { font-size: 14px; }
.download .sub { margin: 12px 0 22px; font-size: 12px; }
.download p:last-child { font-size: 12px; margin-bottom: 0; }
.geography { font-variant-numeric: tabular-nums; font-weight: 600; }
.notice { padding: 16px 18px; border-left: 3px solid var(--blue); background: var(--pale); }
.product-head .notice { font-size: 13px; }
.dataset-map { margin: 0; background: var(--pale); border-radius: 12px; padding: 12px 24px 22px; }
.dataset-map img { width: 100%; height: auto; display: block; max-width: 1000px; margin: auto; }
.dataset-map figcaption { font-size: 12px; color: var(--muted); max-width: 80ch; }
.location-overview { margin-top: -16px; }
.field-details { margin: -30px 0 48px; max-width: 650px; }
.field-details summary { color: var(--blue); cursor: pointer; padding: 12px 0; font-size: 14px; font-weight: 600; }
.field-details table { margin-top: 10px; }
.skip { position: absolute; top: -100px; left: 20px; padding: 12px; background: #fff; z-index: 3; }
.skip:focus { top: 10px; }
[hidden] { display: none !important; }
@media (max-width: 960px) {
  header, main, footer { padding-left: 28px; padding-right: 28px; }
  .intro { gap: 28px; grid-template-columns: .95fr 1.15fr; }
  .intro h1 { font-size: 45px; }
  .hero-map figcaption { flex-direction: column; gap: 1px; }
  .product-head { gap: 30px; }
  .filters label:first-child { flex-basis: 100%; }
  .filters label:not(:first-child) { flex: 1; }
}
@media (max-width: 700px) {
  header, main, footer { padding-left: 20px; padding-right: 20px; }
  header { min-height: 83px; gap: 15px; }
  .logo { font-size: 22px; gap: 10px; }
  .mark { transform: scale(.85); margin-left: -2px; }
  nav { gap: 13px; }
  nav a { font-size: 11px; line-height: 1.35; }
  .intro { grid-template-columns: 1fr; gap: 28px; padding-top: 16px; padding-bottom: 28px; margin-bottom: 18px; }
  .intro h1 { font-size: clamp(43px, 10vw, 58px); letter-spacing: -2px; margin-bottom: 18px; }
  .intro p { max-width: 46ch; margin-bottom: 18px; font-size: 15px; }
  .intro .hero-note { max-width: none; margin-top: 12px; }
  .map-showcase { padding: 6px 6px 0; }
  .hero-map figcaption { flex-direction: row; align-items: center; padding: 8px 9px 12px; }
  .hero-map figcaption > a { font-size: 18px; }
  .hero-map figcaption > span { max-width: 155px; text-align: right; font-size: 11px; }
  .map-controls { padding-left: 9px; padding-right: 5px; }
  .section-heading { align-items: start; gap: 12px; }
  .section-heading h2 { font-size: 26px; }
  .section-heading p { font-size: 12px; }
  .badge { max-width: 115px; font-size: 11px; padding: 6px 9px; }
  .filters { flex-wrap: wrap; padding: 14px; gap: 12px; }
  .filters label { min-width: 0; }
  .filters label:first-child { flex: 1 0 100%; }
  .filters label:not(:first-child) { flex: 1 1 145px; }
  .reset { font-size: 12px; }
  td { padding: 13px 12px; }
  th { padding: 10px 12px; }
  .brand { font-size: 16px; }
  .method, .product-head { grid-template-columns: 1fr; gap: 22px; }
  .method { padding-top: 28px; }
  .product-head h1 { font-size: 43px; letter-spacing: -1.7px; }
  .download { padding: 24px; }
  .dataset-map { padding: 8px 10px 16px; }
  .location-overview { margin-top: 0; }
  section { margin-bottom: 42px; }
  .field-details { margin-top: -20px; margin-bottom: 34px; }
}
@media (max-width: 380px) {
  header, main, footer { padding-left: 16px; padding-right: 16px; }
  .logo { font-size: 20px; }
  nav { gap: 10px; }
  nav a { font-size: 10px; }
  .intro h1 { font-size: 41px; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
}