:root{color-scheme:light dark;--bg:#f2f5f4;--surface:#fff;--ink:#18353f;--muted:#546c75;--line:#cbd8da;--water:#086c8c;--water-soft:#dfedf0;--warm:#a14625;--warm-soft:#fae9de;--cool:#146ca7;--cool-soft:#e0edf9;--radius:1rem;--max:72rem;--space-1:.5rem;--space-2:1rem;--space-3:1.5rem;--space-4:2.5rem;--space-5:4rem;--font:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#101e24;--surface:#172a32;--ink:#e6f0ef;--muted:#aec1c7;--line:#36505a;--water:#7bc8df;--water-soft:#203e4a;--warm:#f5b08b;--warm-soft:#4b3027;--cool:#92c5f6;--cool-soft:#253d56}}:root[data-theme=dark]{--bg:#101e24;--surface:#172a32;--ink:#e6f0ef;--muted:#aec1c7;--line:#36505a;--water:#7bc8df;--water-soft:#203e4a;--warm:#f5b08b;--warm-soft:#4b3027;--cool:#92c5f6;--cool-soft:#253d56}*{box-sizing:border-box}html{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.65}body{margin:0}a{color:var(--water);text-underline-offset:.22em}a:hover{text-decoration-thickness:2px}button{font:inherit;color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--water);outline-offset:5px}h1,h2,h3,p{margin:0}h1,h2,h3{letter-spacing:-.035em;font-weight:550;line-height:1.15}h1{max-width:15ch;font-size:clamp(2.6rem,6vw,4.8rem)}h2{font-size:clamp(1.6rem,3vw,2.2rem)}h3{font-size:1.25rem}p{max-width:70ch}.container{width:min(var(--max),calc(100% - 2.5rem));margin-inline:auto}.site-header{border-bottom:1px solid var(--line)}.header-inner{flex-wrap:wrap;align-items:center;gap:1rem 2rem;min-height:6rem;padding-block:1rem;display:flex}.brand{letter-spacing:-.055em;color:var(--ink);align-items:center;gap:.65rem;margin-right:auto;font-size:1.5rem;font-weight:700;text-decoration:none;display:flex}.brand-mark{width:1.8rem;height:1.8rem;color:var(--water)}nav{flex-wrap:wrap;align-items:center;gap:1.4rem;font-size:.9rem;display:flex}nav a{color:var(--muted);text-decoration:none}nav a[aria-current=page]{color:var(--ink);text-decoration:underline}.theme-toggle{border:1px solid var(--line);background:var(--surface);border-radius:2rem;min-width:2.75rem;min-height:2.75rem;padding:.4rem .9rem;font-size:.85rem}.language{color:var(--muted);border-left:1px solid var(--line);padding-left:1rem;font-size:.8rem}main{padding-block:var(--space-5);min-height:65vh}.hero{border-bottom:1px solid var(--line);gap:2rem;padding-block:1rem 4rem;display:grid}.eyebrow{text-transform:uppercase;letter-spacing:.13em;color:var(--water);margin-bottom:1.2rem;font-size:.7rem;font-weight:700;display:block}.lead{color:var(--muted);max-width:48ch;margin-top:1.5rem;font-size:1.1rem}.section{padding-top:var(--space-4)}.section-heading{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:1rem;margin-bottom:1.5rem;display:flex}.section-number{color:var(--muted);letter-spacing:.08em;font-variant-numeric:tabular-nums;margin-right:.75rem;font-size:.75rem}.station-link{color:inherit;text-decoration:none;display:block}.station-link:hover .panel{border-color:var(--water)}.panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:var(--space-3)}.station-card{gap:2rem;display:grid}.station-card h3{margin-bottom:.4rem}.muted,.context,.source-note{color:var(--muted);font-size:.85rem}.context{margin-top:.5rem;display:block}.big-value{letter-spacing:-.06em;font-variant-numeric:tabular-nums;font-size:clamp(3rem,7vw,4.7rem);font-weight:500;line-height:1.15}.unit{letter-spacing:0;color:var(--muted);white-space:nowrap;margin-left:.3rem;font-size:1rem}.card-value{font-size:2.7rem}.card-footer{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;gap:1rem;margin-top:1.5rem;padding-top:1.5rem;display:flex}.arrow{color:var(--water);font-size:1.5rem}.archive-note{gap:.6rem;max-width:65ch;padding:2rem 0;display:grid}.station-header{margin-bottom:2.5rem}.station-header h1{max-width:22ch;font-size:clamp(2.4rem,5vw,4rem)}.breadcrumb{margin-bottom:2rem;font-size:.85rem;display:inline-block}.values{gap:1rem;display:grid}.value-card h2{letter-spacing:0;color:var(--muted);margin-bottom:1.2rem;font-size:.9rem}.badge{color:var(--muted);margin-top:1rem;font-size:.75rem;display:inline-block}.badge.warm{color:var(--warm);background:var(--warm-soft);border-radius:.4rem;padding:.25rem .6rem}.badge.cool{color:var(--cool);background:var(--cool-soft);border-radius:.4rem;padding:.25rem .6rem}.notice{border-left:3px solid var(--water);background:var(--water-soft);margin-block:1rem;padding:1rem 1.2rem;font-size:.9rem}.notice.review,.notice.error{border-color:var(--warm);background:var(--warm-soft)}.chart{width:100%;height:auto;color:var(--water);margin-block:1rem;display:block;overflow:visible}.chart text{font-family:var(--font);fill:var(--muted);font-variant-numeric:tabular-nums;font-size:13px}.chart .grid{stroke:var(--line);stroke-width:1px}.chart .series{stroke:var(--water);stroke-width:2.5px;fill:none}.chart circle{fill:var(--water)}.chart-summary{flex-wrap:wrap;justify-content:space-between;gap:1rem;margin-bottom:1rem;display:flex}.chart-table{max-height:18rem;overflow:auto}details{margin-top:1rem;font-size:.85rem}summary{cursor:pointer;color:var(--water)}table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%}th,td{text-align:left;border-bottom:1px solid var(--line);padding:.55rem}.records{gap:1rem;margin:1rem 0;padding:0;list-style:none;display:grid}.record{border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;gap:.75rem;padding-bottom:1rem;display:flex}.record strong{font-variant-numeric:tabular-nums;font-size:1.7rem;font-weight:500;display:block}.prose{max-width:48rem}.prose h1{max-width:22ch;margin-bottom:2rem;font-size:clamp(2.4rem,5vw,3.6rem)}.prose h2{margin-block:2rem 1rem;font-size:1.5rem}.prose p+p{margin-top:1rem}.source-note{border-top:1px solid var(--line);margin-top:2rem;padding-top:1rem}.site-footer{background:var(--surface);border-top:1px solid var(--line);padding-block:2.5rem}.footer-top{flex-wrap:wrap;justify-content:space-between;gap:1rem 3rem;margin-bottom:1.5rem;display:flex}.footer-source{color:var(--muted);max-width:65ch;font-size:.8rem}.warning{margin-top:1rem;font-size:.8rem}.skip{background:var(--surface);z-index:10;padding:.5rem;position:absolute;top:-5rem;left:1rem}.skip:focus{top:1rem}@media (width>=700px){.hero{grid-template-columns:1.4fr 1fr;align-items:end}.hero .lead{margin:0 0 .4rem}.values{grid-template-columns:repeat(3,1fr)}.station-card{grid-template-columns:1.4fr 1fr 1fr;align-items:center}.panel{padding:2rem}}@media (width<=699px){.header-inner{gap:.8rem 1rem}.site-header nav{flex:calc(100% - 4rem);order:2}.theme-toggle{order:1}.language{order:3}.chart text{font-size:32px}.chart circle{r:7px}}@media (prefers-reduced-motion:no-preference){a,button,.panel{transition:color .15s,border-color .15s,background-color .15s}}