/* landing page: dark atlas, single theme on purpose */
:root { --bg: #0b1016; --bg2: #111922; --bg3: #18222c; --ink: #ece7dd; --muted: #93a0ab; --faint: rgba(236,231,221,0.14); --amber: #f0a63f; --amber2: #fff0c8; --ember: #d9752b; --lake: #7fa6c0;
  --display: "Bricolage Grotesque", "Avenir Next", "Helvetica Neue", Arial, sans-serif; --body: "IBM Plex Sans", -apple-system, "Segoe UI", Helvetica, Arial, sans-serif; --mono: "IBM Plex Mono", "SF Mono", Menlo, Consolas, monospace; }
* { box-sizing: border-box; } html { color-scheme: dark; } html, body { overflow-x: clip; } body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.55 var(--body); -webkit-font-smoothing: antialiased; }
a { color: inherit; } .wrap { max-width: 1280px; margin: 0 auto; padding-inline: 24px; }
header.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px; border-bottom: 1px solid var(--faint); }
.brand { font-family: var(--display); font-weight: 600; font-size: 18px; letter-spacing: .01em; text-decoration: none; display: flex; align-items: center; gap: 10px; }
.brand i { width: 10px; height: 10px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 12px var(--amber); }
nav.links { display: flex; gap: 22px; font-size: 13.5px; } nav.links a { color: var(--muted); text-decoration: none; } nav.links a:hover { color: var(--ink); }
/* hero */
.hero { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); gap: 36px; align-items: start; padding-block: 28px 20px; }
.mapbox { position: relative; width: 100%; min-width: 0; aspect-ratio: 2025 / 2220; max-height: 86vh; margin: 0 auto; border-radius: 14px; overflow: hidden; background: #0d141b; box-shadow: 0 30px 80px rgba(0,0,0,.55), inset 0 0 0 1px rgba(255,255,255,.06); }
.mapbox img { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.mapbox svg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.mapbox .legend { position: absolute; right: 14px; bottom: 14px; background: rgba(11,16,22,.78); backdrop-filter: blur(6px); border: 1px solid var(--faint); border-radius: 8px; padding: 8px 10px; font-size: 11.5px; color: var(--muted); max-width: 230px; }
.legend .bar { height: 8px; border-radius: 3px; margin: 6px 0 3px; background: linear-gradient(90deg, #2e343a 0%, #9c3a16 18%, #e07a2a 45%, #f6b24a 72%, #fff3cf 100%); }
.legend .ticks { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 10.5px; }
/* svg classes */
.grat { stroke: rgba(236,231,221,.09); stroke-width: 1.2; fill: none; } .grat-lbl { font-family: var(--mono); font-size: 24px; fill: rgba(236,231,221,.42); }
.equator { stroke: rgba(236,231,221,.35); stroke-width: 2; stroke-dasharray: 14 12; fill: none; } .equator-lbl { font-family: var(--mono); font-size: 24px; letter-spacing: 6px; fill: rgba(236,231,221,.5); }
.belt { stroke: rgba(240,166,63,.55); stroke-width: 2.4; stroke-dasharray: 10 10; fill: none; } .belt-lbl { font-family: var(--mono); font-size: 20px; fill: rgba(240,166,63,.8); }
.dists { fill: none; stroke: rgba(236,231,221,.22); stroke-width: 1.8; transition: stroke .25s; stroke-linejoin: round; } .dists.hot { stroke: rgba(255,240,200,.42); }
.country { fill: #000; fill-opacity: 0; stroke: rgba(236,231,221,.72); stroke-width: 2.6; stroke-linejoin: round; cursor: pointer; pointer-events: all; transition: fill-opacity .25s, stroke .25s, stroke-width .25s; }
.country.hot { fill: var(--amber); fill-opacity: .07; stroke: var(--amber2); stroke-width: 4.2; filter: url(#glow); }
.lake-lbl { font-family: var(--display); font-style: italic; font-weight: 400; font-size: 30px; letter-spacing: 2px; fill: var(--lake); opacity: .85; }
.nb-lbl { font-family: var(--body); font-size: 26px; letter-spacing: 7px; font-weight: 500; fill: rgba(236,231,221,.32); }
.c-lbl { font-family: var(--display); font-weight: 600; font-size: 66px; letter-spacing: 12px; fill: rgba(236,231,221,.88); paint-order: stroke; stroke: rgba(11,16,22,.55); stroke-width: 8px; pointer-events: none; transition: fill .25s; } .c-lbl.small { font-size: 46px; letter-spacing: 9px; } .c-lbl.hot { fill: var(--amber2); }
.city { fill: #fff; stroke: #0b1016; stroke-width: 3; } .city-lbl { font-family: var(--body); font-weight: 600; font-size: 28px; fill: #fff; paint-order: stroke; stroke: rgba(11,16,22,.7); stroke-width: 6px; }
.scale { stroke: #ece7dd; stroke-width: 3; fill: none; } .scale-lbl { font-family: var(--mono); font-size: 22px; fill: rgba(236,231,221,.75); }
/* copy column */
.copy { padding-top: 6px; } .eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--amber); margin: 0 0 14px; }
h1 { font-family: var(--display); font-weight: 600; font-size: clamp(34px, 4.2vw, 54px); line-height: 1.02; letter-spacing: -.015em; margin: 0 0 16px; text-wrap: balance; }
.lead { color: var(--muted); font-size: 16px; max-width: 46ch; margin: 0 0 24px; }
.cards { display: grid; gap: 12px; }
.card { display: grid; grid-template-columns: 1fr auto; gap: 6px 14px; align-items: start; padding: 16px 18px; border: 1px solid var(--faint); border-radius: 12px; text-decoration: none; background: var(--bg2); transition: border-color .2s, background .2s, transform .2s; }
.card:hover, .card.hot, .card:focus-visible { border-color: rgba(240,166,63,.7); background: var(--bg3); transform: translateY(-1px); outline: none; }
.card .nm { font-family: var(--display); font-weight: 600; font-size: 22px; letter-spacing: .01em; } .card .go { font-family: var(--mono); font-size: 12px; color: var(--amber); white-space: nowrap; padding-top: 6px; }
.card .nums { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 4px; }
.card .n b { display: block; font-family: var(--display); font-weight: 600; font-size: 20px; color: var(--amber2); font-variant-numeric: tabular-nums; line-height: 1.15; } .card .n span { font-size: 11.5px; color: var(--muted); line-height: 1.3; display: block; }
.card .desc { grid-column: 1 / -1; font-size: 12.5px; color: var(--muted); margin: 0; }
.fine { font-size: 12px; color: var(--muted); margin-top: 16px; } .fine a { color: var(--muted); }
/* method strip */
.method { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; padding-block: 28px 36px; border-top: 1px solid var(--faint); margin-top: 18px; }
.method h3 { font-family: var(--display); font-weight: 600; font-size: 17px; margin: 0 0 6px; } .method h3 em { font-style: normal; font-family: var(--mono); font-size: 12px; color: var(--amber); margin-right: 10px; letter-spacing: .08em; }
.method p { margin: 0; color: var(--muted); font-size: 13.5px; }
footer.credits { border-top: 1px solid var(--faint); padding-block: 16px 36px; font-size: 12px; color: var(--muted); line-height: 1.6; }
@media (max-width: 900px) { .hero { grid-template-columns: minmax(0, 1fr); gap: 24px; } .mapbox { max-height: none; } .method { grid-template-columns: 1fr; gap: 18px; } .card .nums { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 480px) { .wrap { padding-inline: 16px; } nav.links { gap: 14px; } .card .nums { grid-template-columns: 1fr 1fr; } .mapbox .legend { max-width: 170px; font-size: 10.5px; } }
@media (prefers-reduced-motion: reduce) { .card, .country, .dists, .c-lbl { transition: none; } }