:root{
  --bg:#f5f2ea;--bg2:#ece7da;--surface:#fbf9f3;--ink:#151f20;--ink2:#374446;--muted:#3c4849;--post-ink:#8a2a14;--hub-ink:#0a4a54;--line:#cfc8b7;--line2:#b9b1a0;
  --hub:#0b5560;--hub-soft:#0b556022;--post:#b83a21;--post-soft:#b83a2133;--ok:#2f6f4f;--warn:#8a5a00;
  --d1:#b83a21;--d2:#c98a1b;--d3:#3f7d93;--d4:#6a5a8c;--none:#151f20;
  --land:#e4decd;--county:#cfc8b7;--shadow:0 1px 0 #0001,0 10px 30px -18px #0005;
  --serif:'Newsreader',Georgia,'Times New Roman',serif;--sans:'Atkinson Hyperlegible',system-ui,sans-serif;--mono:'IBM Plex Mono',ui-monospace,monospace;
  --bar:3.25rem;color-scheme:light;
}
:root.dark{
  --bg:#0f1618;--bg2:#162124;--surface:#131d1f;--ink:#eef1ec;--ink2:#cfd8d4;--muted:#b0bdb9;--line:#2c3b3e;--line2:#40545a;
  --hub:#6fd0d4;--hub-soft:#6fd0d433;--post:#ff9a7a;--post-soft:#ff9a7a33;--post-ink:#ff9a7a;--hub-ink:#6fd0d4;--ok:#7fd3a1;--warn:#e7b457;
  --d1:#ff9a7a;--d2:#f0b84a;--d3:#7cc4de;--d4:#b7a6ea;--none:#eef1ec;
  --land:#1b292c;--county:#2c3b3e;--shadow:0 1px 0 #0006,0 10px 30px -18px #000;color-scheme:dark;
}
@media (prefers-color-scheme:dark){:root:not(.dark):not(.light){
  --bg:#0f1618;--bg2:#162124;--surface:#131d1f;--ink:#eef1ec;--ink2:#cfd8d4;--muted:#b0bdb9;--line:#2c3b3e;--line2:#40545a;
  --hub:#6fd0d4;--hub-soft:#6fd0d433;--post:#ff9a7a;--post-soft:#ff9a7a33;--post-ink:#ff9a7a;--hub-ink:#6fd0d4;--ok:#7fd3a1;--warn:#e7b457;
  --d1:#ff9a7a;--d2:#f0b84a;--d3:#7cc4de;--d4:#b7a6ea;--none:#eef1ec;--land:#1b292c;--county:#2c3b3e;color-scheme:dark}}
*{box-sizing:border-box}
[hidden]{display:none!important}svg[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--bar) + 12px);-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:1.0625rem/1.62 var(--serif);text-rendering:optimizeLegibility}
a{color:var(--hub-ink);text-underline-offset:.18em;text-decoration-thickness:.08em}
a:hover{text-decoration-thickness:.16em}
:focus-visible{outline:3px solid var(--hub);outline-offset:2px;border-radius:3px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--bg);padding:.6rem .9rem;z-index:50}.skip:focus{left:8px;top:8px}
/* topbar */
.topbar{position:fixed;inset:0 0 auto 0;height:calc(var(--bar) + var(--browser-safe-top,env(safe-area-inset-top,0px)));padding:var(--browser-safe-top,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right)) 0 max(16px,env(safe-area-inset-left));display:flex;align-items:center;gap:.9rem;
  background:color-mix(in srgb,var(--bg) 92%,transparent);border-bottom:1px solid var(--line);z-index:40;font:.875rem/1 var(--sans)}
.topbar .home{display:flex;align-items:center;gap:.5rem;color:var(--ink);text-decoration:none;font-weight:700;white-space:nowrap}
.topbar .motif{width:22px;height:22px;color:var(--hub)}
.topnav{display:none;gap:1rem;overflow:hidden}.topnav a{color:var(--ink2);text-decoration:none;white-space:nowrap}.topnav a:hover{color:var(--ink);text-decoration:underline}
@media (min-width:1100px){.topnav{display:flex}}
.spacer{flex:1}
.chip,.icon-btn{font:700 .8125rem/1 var(--sans);color:var(--ink);background:var(--surface);border:1px solid var(--line2);border-radius:999px;padding:.5rem .8rem;text-decoration:none;cursor:pointer;min-height:36px;display:inline-flex;align-items:center}
.icon-btn{width:38px;justify-content:center;padding:0}
.progress{position:absolute;left:0;bottom:-1px;height:2px;width:100%;pointer-events:none}.progress i{display:block;height:100%;width:0;background:var(--post)}
/* hero */
.hero{padding:1.6rem 0 1.2rem}
.kicker{font:700 .8125rem/1.3 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--post-ink);margin:0 0 .7rem}
h1{font:600 clamp(1.9rem,4.2vw,3.05rem)/1.08 var(--serif);letter-spacing:-.012em;margin:0 0 .9rem;max-width:21ch;text-wrap:balance}
.stand{font-size:clamp(1.12rem,2.1vw,1.38rem);line-height:1.5;color:var(--ink2);max-width:46ch;margin:0 0 1.1rem}
.bignums{display:flex;flex-wrap:wrap;gap:.6rem 2rem;margin:1.1rem 0 .4rem;padding:0;list-style:none}
.bignums li{min-width:9.5rem}.bignums b{display:block;font:600 clamp(2rem,4.6vw,3.1rem)/1 var(--serif);color:var(--ink)}
.bignums .p b{color:var(--post-ink)}.bignums .h b{color:var(--hub-ink)}
.bignums span{font:.9375rem/1.35 var(--sans);color:var(--muted);display:block;max-width:19ch}
/* story grid */
.story{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:2.2rem;padding:calc(var(--bar) + var(--browser-safe-top,env(safe-area-inset-top,0px)) + .6rem) max(16px,env(safe-area-inset-left)) 0}
.story .stage{grid-column:2;grid-row:1}.story .col{grid-column:1;grid-row:1}
.col{min-width:0}
.stage{position:sticky;top:calc(var(--bar) + var(--browser-safe-top,env(safe-area-inset-top,0px)) + 10px);height:calc(var(--vh,100svh) - var(--bar) - var(--browser-safe-top,env(safe-area-inset-top,0px)) - 24px);align-self:start;display:flex;flex-direction:column;gap:.5rem}
.stagebox{position:relative;flex:1;min-height:0;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
#map{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:pan-y}
.land{fill:var(--land)}.cty{fill:none;stroke:var(--county);stroke-width:.7;vector-effect:non-scaling-stroke}.cty.on{fill:var(--hub-soft);stroke:var(--hub);stroke-width:1.4}
.coast{fill:none;stroke:var(--line2);stroke-width:1.1;vector-effect:non-scaling-stroke}
.thread{fill:none;stroke:var(--post);stroke-width:.9;opacity:.38;vector-effect:non-scaling-stroke}
.hub{fill:var(--hub-soft);stroke:var(--hub);stroke-width:1.6;vector-effect:non-scaling-stroke}
.hubl{font:700 12px/1 var(--sans);fill:var(--ink);paint-order:stroke;stroke:var(--surface);stroke-width:4px;stroke-linejoin:round}
.dot{stroke:var(--surface);stroke-width:1.2;cursor:pointer;vector-effect:non-scaling-stroke;transition:r .35s,opacity .35s,fill .3s}
.dot.d0{fill:var(--post)}.dot.d1{fill:var(--d1)}.dot.d2{fill:var(--d2)}.dot.d3{fill:var(--d3)}.dot.d4{fill:var(--d4)}.dot.dn{fill:var(--none)}
.dot.dim{opacity:.14}.dot:hover,.dot.sel{stroke:var(--ink);stroke-width:2.2}
.ring{fill:none;stroke:var(--ink);stroke-width:1.6;stroke-dasharray:3 3;vector-effect:non-scaling-stroke;pointer-events:none}
.pin{position:absolute;z-index:3;max-width:min(300px,86%);background:var(--surface);color:var(--ink);border:1px solid var(--line2);border-radius:10px;padding:.7rem .85rem;box-shadow:0 12px 30px -12px #0008;font:.875rem/1.4 var(--sans)}
.pin h4{margin:0 0 .2rem;font:700 .95rem/1.25 var(--sans)}.pin p{margin:.2rem 0;color:var(--ink2)}.pin ul{margin:.3rem 0 0;padding:0;list-style:none}.pin li{padding:.12rem 0;display:flex;gap:.45rem}
.pin .x{position:absolute;right:4px;top:4px;border:0;background:none;color:var(--muted);font-size:1.2rem;line-height:1;cursor:pointer;padding:.3rem .5rem;min-width:32px;min-height:32px}
.pin .more{font:700 .8125rem/1 var(--sans);margin-top:.5rem;display:inline-block}
.hint{position:absolute;left:12px;bottom:10px;z-index:2;font:.8125rem/1.3 var(--sans);color:var(--muted);background:color-mix(in srgb,var(--surface) 88%,transparent);padding:.25rem .55rem;border-radius:6px;pointer-events:none}
.ctl{display:flex;flex-wrap:wrap;gap:.5rem .9rem;align-items:center;font:.875rem/1.2 var(--sans);color:var(--ink2)}
.ctl .yr{font:600 1.7rem/1 var(--serif);color:var(--ink);min-width:3.2ch}
.play{width:42px;height:42px;border-radius:50%;border:1px solid var(--line2);background:var(--surface);color:var(--ink);font-size:1rem;cursor:pointer;display:grid;place-items:center}
.ctl input[type=range]{flex:1;min-width:140px;accent-color:var(--post);height:34px}
.seg{display:inline-flex;border:1px solid var(--line2);border-radius:999px;overflow:hidden}
.seg button{font:700 .8125rem/1 var(--sans);padding:.55rem .8rem;border:0;background:var(--surface);color:var(--ink2);cursor:pointer;min-height:36px}
.seg button[aria-pressed=true]{background:var(--ink);color:var(--bg)}
.seg button:disabled{opacity:.5;cursor:not-allowed}
.legend{display:flex;flex-wrap:wrap;gap:.3rem .9rem;font:.8125rem/1.3 var(--sans);color:var(--ink2)}
.legend i{display:inline-block;width:.8rem;height:.8rem;border-radius:50%;margin-right:.35rem;vertical-align:-.1em}
/* text */
.step{padding:2.2rem 0 2.6rem;border-top:1px solid var(--line)}
.step:first-child{border-top:0}
h2{font:600 clamp(1.55rem,3.2vw,2.15rem)/1.15 var(--serif);margin:0 0 .9rem;text-wrap:balance}
h2 .anchor{color:var(--muted);text-decoration:none;font:400 .8em var(--sans);margin-left:-1.15em;padding-right:.35em;opacity:0}
h2:hover .anchor,h2 .anchor:focus{opacity:1}
h3{font:700 1rem/1.3 var(--sans);margin:1.4rem 0 .4rem}
.col p{margin:0 0 1rem;max-width:62ch}
.col .lead{font-size:1.18rem}
b.k{font-weight:700;color:var(--ink)}
.num{font-feature-settings:'tnum';font-variant-numeric:tabular-nums}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;margin:1.1rem 0}
.pair>div{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:.9rem 1rem}
.pair h3{margin:0 0 .3rem;display:flex;align-items:center;gap:.5rem}
.pair .sw{width:.9rem;height:.9rem;border-radius:50%;display:inline-block}
.pair p{margin:0;font-size:.97rem;line-height:1.5}
.quote{margin:1rem 0;padding:.2rem 0 .2rem 1rem;border-left:3px solid var(--line2);color:var(--ink2);font-size:1rem}
.quote small{display:block;font:.8125rem/1.4 var(--sans);color:var(--muted);margin-top:.3rem}
figure.chart{margin:1.2rem 0 1.4rem}
figure.chart svg{width:100%;height:auto;display:block;overflow:visible}
figcaption{font:.875rem/1.45 var(--sans);color:var(--muted);margin-top:.5rem;max-width:62ch}
.ct{font:700 .8125rem/1 var(--sans);fill:var(--ink)}.cl{font:.75rem/1 var(--sans);fill:var(--ink2)}.cm{font:.72rem/1 var(--sans);fill:var(--muted)}
.gridl{stroke:var(--line);stroke-width:1}.bar-h{fill:var(--hub)}.bar-hs{fill:var(--hub);opacity:.35}.bar-p{fill:var(--post)}.bar-ps{fill:var(--post);opacity:.35}.bar-b{fill:var(--ink2)}
table.tb{border-collapse:collapse;width:100%;font:.9rem/1.4 var(--sans)}
table.tb th{text-align:left;font-weight:700;color:var(--ink2);border-bottom:2px solid var(--line2);padding:.4rem .5rem}
table.tb td{border-bottom:1px solid var(--line);padding:.45rem .5rem;vertical-align:top}
table.tb td.n,table.tb th.n{text-align:right;font-variant-numeric:tabular-nums}
.last li{padding:.5rem 0;border-bottom:1px solid var(--line);font:.97rem/1.4 var(--sans)}
.last{list-style:none;padding:0;margin:.8rem 0}
.last b{font-weight:700}
.tag{display:inline-block;font:700 .75rem/1 var(--sans);padding:.2rem .45rem;border-radius:5px;background:var(--bg2);color:var(--ink2);margin-right:.35rem}
/* explorer */
.explorer{max-width:1240px;margin:0 auto;padding:2.4rem max(16px,env(safe-area-inset-left)) 1rem}
.explorer .box{display:grid;grid-template-columns:minmax(0,22rem) minmax(0,1fr);gap:1.6rem;align-items:start}
.fields{display:grid;gap:.8rem;position:sticky;top:calc(var(--bar) + var(--browser-safe-top,env(safe-area-inset-top,0px)) + 14px)}
.fields label{display:grid;gap:.3rem;font:700 .875rem/1.2 var(--sans);color:var(--ink2)}
.fields select,.fields input{font:1rem/1.2 var(--sans);padding:.7rem .75rem;border-radius:9px;border:1px solid var(--line2);background:var(--surface);color:var(--ink);min-height:44px;width:100%}
.fields .clear{font:700 .875rem/1 var(--sans);background:none;border:1px solid var(--line2);border-radius:9px;color:var(--ink);padding:.7rem;cursor:pointer;min-height:44px}
.mini{background:var(--surface);border:1px solid var(--line);border-radius:12px;aspect-ratio:1000/715;overflow:hidden}
.mini svg{width:100%;height:100%;display:block}
.answer{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:1.1rem 1.2rem;box-shadow:var(--shadow)}
.answer h3{margin:0 0 .5rem;font:600 1.5rem/1.2 var(--serif)}
.answer .sum{font:1.02rem/1.55 var(--sans);color:var(--ink2);margin:0 0 .8rem;max-width:60ch}
.yrs{display:flex;flex-wrap:wrap;gap:.35rem;margin:.6rem 0 .9rem}
.yrs button{font:700 .8125rem/1 var(--sans);padding:.5rem .65rem;border-radius:999px;border:1px solid var(--line2);background:var(--surface);color:var(--ink);cursor:pointer;min-height:34px}
.yrs button[aria-pressed=true]{background:var(--ink);color:var(--bg)}
.yrs button .c{font-weight:400;color:inherit;opacity:.8;margin-left:.3rem}
.res{list-style:none;padding:0;margin:0}
.res li{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.2rem .8rem;padding:.55rem 0;border-top:1px solid var(--line);font:.95rem/1.4 var(--sans)}
.res .when{font:700 .8125rem/1.2 var(--sans);text-align:right;white-space:nowrap}
.res small{display:block;color:var(--muted);font-size:.8125rem}
.badge{display:inline-block;width:.7rem;height:.7rem;border-radius:50%;margin-right:.35rem;vertical-align:-.05em}
.empty{font:1rem/1.5 var(--sans);color:var(--ink2)}
.share-row{display:flex;gap:.45rem;align-items:center;margin:1.2rem 0 .3rem;flex-wrap:wrap}
.share-row .lbl{font:700 .8125rem/1 var(--sans);color:var(--ink2);margin-right:.2rem}
.sh{width:38px;height:38px;border-radius:50%;border:1px solid var(--line2);background:var(--surface);color:var(--ink);display:grid;place-items:center;cursor:pointer;padding:0}
.sh svg{width:17px;height:17px}
.status{font:.8125rem/1.3 var(--sans);color:var(--ink2);min-height:1.2em;margin:.2rem 0 0}
.limits{max-width:1240px;margin:0 auto;padding:1rem max(16px,env(safe-area-inset-left)) 2rem}
.limits .in{max-width:68ch}
details.src{margin:1rem 0;border-top:1px solid var(--line);padding-top:.8rem;font:.9375rem/1.55 var(--sans)}
details.src summary{cursor:pointer;font-weight:700;padding:.4rem 0}
details.src ul{padding-left:1.1rem}details.src li{margin:.3rem 0}
footer{max-width:1240px;margin:0 auto;padding:1.4rem max(16px,env(safe-area-inset-left)) 3rem;display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;font:.875rem/1.4 var(--sans);color:var(--muted);border-top:1px solid var(--line)}
.rail{position:fixed;right:max(8px,env(safe-area-inset-right));top:50%;transform:translateY(-50%);list-style:none;margin:0;padding:0;display:none;z-index:30}
@media (min-width:1400px){.rail{display:block}}
.rail a{display:block;width:12px;height:12px;border-radius:50%;margin:10px 0;border:1.5px solid var(--line2);background:var(--bg);position:relative}
.rail a[aria-current=true]{background:var(--post);border-color:var(--post)}
.rail a span{position:absolute;right:20px;top:50%;transform:translateY(-50%);white-space:nowrap;font:.75rem/1 var(--sans);background:var(--surface);border:1px solid var(--line);padding:.3rem .5rem;border-radius:5px;opacity:0;pointer-events:none}
.rail a:hover span,.rail a:focus span{opacity:1}
@media (max-width:900px){
  .story{display:flex;flex-direction:column;padding:calc(var(--bar) + var(--browser-safe-top,env(safe-area-inset-top,0px))) 0 0}
  .story .stage,.story .col{grid-column:auto;grid-row:auto}
  .stage{order:-1;position:sticky;top:calc(var(--bar) + var(--browser-safe-top,env(safe-area-inset-top,0px)));height:calc(var(--vh,100svh)*.4);z-index:20;background:var(--bg);padding:6px 12px 6px;margin:0}
  .col{padding:0 max(16px,env(safe-area-inset-left))}
  .hero{padding-top:.8rem}
  .explorer .box{display:block}.fields{position:static;margin-bottom:1rem}.mini{display:none}
  .pair{grid-template-columns:1fr}
  .ctl .yr{font-size:1.35rem}
  .legend{display:none}
  .stagebox{border-radius:10px}
}
@media print{.topbar,.stage,.rail{display:none}}

.yrs-more{font:700 .875rem/1 var(--sans);background:var(--surface);color:var(--ink);border:1px solid var(--line2);border-radius:999px;padding:.7rem 1rem;cursor:pointer;min-height:44px}