:root{color-scheme:dark;--bg:#000;--card:#1c1c1e;--line:#38383a;--text:#f2f2f7;--muted:#a1a1a6;--link:#64d2ff}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
a{color:var(--link)}
header.site,footer.site{background:var(--card);border-bottom:1px solid var(--line)}
footer.site{border-top:1px solid var(--line);border-bottom:0;margin-top:32px;color:var(--muted);font-size:14px}
.wrap{max-width:1080px;margin:0 auto;padding:12px 16px}
header.site .wrap{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center}
header.site .brand{font-weight:700;color:var(--text);text-decoration:none;font-size:18px;margin-right:auto}
header.site nav a{margin-left:16px}
main.wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px}
main.wrap.single{grid-template-columns:minmax(0,1fr)}
h1{font-size:clamp(24px,4vw,34px);line-height:1.2;margin:16px 0 8px}
h2{font-size:20px;margin:24px 0 8px}
.lede p{margin:0 0 10px}
.crumbs{color:var(--muted);font-size:14px;margin-top:12px}
figure{margin:16px 0}
figcaption{color:var(--muted);font-size:14px}
svg.track{width:100%;height:auto;display:block;border-radius:8px}
svg.track .sea{fill:#0b2233}
svg.track .land{fill:#2f3a2f;stroke:#55634f;stroke-width:.6px;vector-effect:non-scaling-stroke}
svg.track .land use{vector-effect:non-scaling-stroke}
svg.track .path polyline{fill:none;stroke-width:3px;stroke-linejoin:round;vector-effect:non-scaling-stroke}
svg.track .lf circle{fill:#fff;stroke:#000;stroke-width:1px;vector-effect:non-scaling-stroke}
svg.track .lf text{fill:#fff;font-weight:700;text-anchor:middle}
dl.numbers{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px;margin:16px 0}
dl.numbers div{background:var(--card);border-radius:8px;padding:10px 12px}
dl.numbers dt{color:var(--muted);font-size:13px}
dl.numbers dd{margin:0;font-size:20px;font-weight:600}
table{border-collapse:collapse;width:100%;font-size:15px}
th,td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:500}
aside .card{background:var(--card);border-radius:8px;padding:12px 16px;margin-top:16px}
aside ul{padding-left:18px;margin:6px 0}
.legend span{display:inline-block;margin-right:10px;font-size:13px;color:var(--muted)}
.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:4px;vertical-align:middle}
.cta{display:inline-block;background:var(--link);color:#000;font-weight:600;text-decoration:none;padding:8px 14px;border-radius:8px;margin:8px 0}
@media (max-width:800px){main.wrap{grid-template-columns:minmax(0,1fr)}header.site nav a{margin:0 16px 0 0}.hide-narrow{display:none}}