:root{
  --bg:#ffffff; --bg2:#f3f5f8; --panel:#ffffff; --line:#d8dde6; --text:#1a1f29; --mut:#3f4a5a; --dim:#566273;
  --acc:#0b3d91; --hot:#c8321f; --ok:#1f7a35; --warn:#a86b00;
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif; --mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
  --hdr:56px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 var(--font);-webkit-font-smoothing:antialiased}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
h1,h2,h3{font-weight:700;letter-spacing:-.015em;line-height:1.1;margin:0 0 .5em}
h1{font-size:clamp(2.4rem,6vw,4.6rem)} h2{font-size:clamp(1.6rem,3vw,2.3rem)} h3{font-size:1.05rem;font-weight:700}
.mono{font-family:var(--mono)}
.kicker,.chapter{font:600 .74rem/1.4 var(--font);letter-spacing:.16em;text-transform:uppercase;color:var(--acc);margin:0 0 .8em}
.small{font-size:.86rem;color:var(--mut)}
/* header */
.site-header{position:fixed;inset:0 0 auto 0;height:var(--hdr);z-index:50;display:flex;align-items:center;justify-content:space-between;padding:0 22px;background:#fff;border-bottom:1px solid var(--line)}
.logo{color:var(--text);font-weight:800;letter-spacing:.02em;display:flex;align-items:center;gap:10px}
.logo-mark{width:16px;height:16px;border-radius:50%;background:var(--acc);box-shadow:inset 0 0 0 4px #fff,inset 0 0 0 6px var(--acc)}
.site-nav{display:flex;gap:22px;overflow-x:auto;scrollbar-width:none}
.site-nav a{color:var(--mut);font-size:.9rem;font-weight:500;white-space:nowrap}
.site-nav a.active,.site-nav a:hover{color:var(--text);text-decoration:none}
/* hero */
.hero{color:#fff;background:#05080f;position:relative;min-height:100vh;display:flex;align-items:flex-end;padding:calc(var(--hdr) + 40px) 6vw 9vh;overflow:hidden}
.hero-map{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,8,15,.95) 0%,rgba(5,8,15,.75) 40%,rgba(5,8,15,.15) 75%),linear-gradient(0deg,rgba(5,8,15,1) 0%,transparent 35%);pointer-events:none}
.hero-content{position:relative;max-width:44rem}.hero .kicker{color:#9cc3ff}.byline{font-size:.82rem;color:#c6d2e3;margin-top:1.4em;border-top:1px solid rgba(255,255,255,.2);padding-top:.9em}
.lede{font-size:clamp(1.05rem,1.8vw,1.25rem);color:inherit;opacity:.92;max-width:38rem}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:1.6em}
.btn{display:inline-block;padding:.7em 1.2em;border-radius:3px;font-weight:600;font-size:.95rem;border:1px solid var(--line)}
.btn.primary{background:#fff;color:#0b1a33;border-color:#fff}
.btn.ghost{color:inherit;background:transparent;border-color:currentColor}
.btn:hover{text-decoration:none;filter:brightness(1.1)}
.hero-caption{position:absolute;right:22px;bottom:14px;max-width:30rem;text-align:right;font-size:.74rem;color:#b5c2d6}
/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg2)}
.stat{padding:26px 22px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat .num{font:700 2.1rem/1 var(--mono);color:var(--text);letter-spacing:-.03em}
.stat .num small{font-size:.9rem;color:var(--mut);margin-left:4px}
.stat .lbl{font-size:.84rem;color:var(--mut);margin-top:10px;line-height:1.45}
.stat .lbl b{color:var(--text);font-weight:600}
/* hero: measure / check / explain */
.mce{list-style:none;padding:0;margin:1.4em 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:44rem}
.mce li{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);border-radius:4px;padding:12px 14px;backdrop-filter:blur(2px)}
.mce svg{width:22px;height:22px;fill:none;stroke:#9cc3ff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;display:block;margin-bottom:6px}
.mce b{display:block;font-size:.98rem;margin-bottom:2px}
.mce span{display:block;font-size:.82rem;line-height:1.45;color:#d5deeb}
/* what we found */
.findings{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:26px 0 14px}
.finding{position:relative;background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--acc);border-radius:3px;padding:16px 18px 14px 56px}
.finding .fnum{position:absolute;left:16px;top:15px;width:26px;height:26px;border-radius:50%;background:var(--acc);color:#fff;font:700 .8rem/26px var(--mono);text-align:center}
.finding h3{margin:0 0 .35em;font-size:1rem;line-height:1.3}
.finding p{margin:0;font-size:.9rem;color:#2d3748;line-height:1.55}
/* story */
.story{display:grid;grid-template-columns:minmax(360px,460px) 1fr;position:relative}
.story-steps{grid-column:1;grid-row:1;padding:12vh 32px 40vh;z-index:2}
.story-map{grid-column:2;grid-row:1;position:sticky;top:var(--hdr);height:calc(100vh - var(--hdr))}
#map{position:absolute;inset:0}
.step{background:#fff;border:1px solid var(--line);border-radius:4px;padding:26px 26px 20px;margin-bottom:62vh;box-shadow:0 2px 10px rgba(16,24,40,.06);transition:border-color .4s,box-shadow .4s}
.step.is-active{border-color:var(--acc);box-shadow:0 4px 18px rgba(11,61,145,.12)}
.keypoint{margin:.2em 0 1em;padding:9px 12px;background:#eef3fb;border-left:3px solid var(--acc);border-radius:2px;font-weight:600;font-size:.95rem!important;color:var(--text)!important;line-height:1.45}
.step p{color:#2d3748;font-size:.97rem}
.chain{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:10px}
.chain span{font-size:.78rem;font-weight:600;padding:5px 10px;border:1px solid var(--line);border-radius:999px;background:var(--bg2)}
.chain i{width:14px;height:1px;background:var(--dim)}
figcaption{font-size:.78rem;color:var(--dim);margin-top:10px;line-height:1.5}
.note{margin-top:14px;padding:12px 14px;border-left:3px solid var(--acc);background:var(--bg2);font-size:.9rem;color:#2d3748}
.hint{font-size:.82rem;color:var(--dim);margin:.3em 0}
.timebar{display:flex;align-items:center;gap:10px;margin:14px 0 4px}
.timebar input{flex:1;accent-color:var(--acc)}
.playbtn{width:38px;height:38px;border-radius:50%;border:0;background:var(--acc);color:#fff;font-size:.95rem;cursor:pointer;flex:none}
#dateLbl{font-size:.82rem;color:var(--mut);min-width:6.5em;text-align:right}
.readout{margin:10px 0;padding:12px 14px;background:var(--bg2);border:1px solid var(--line);border-left:3px solid var(--hot);border-radius:2px;font-size:.95rem}
.readout b{font-family:var(--mono)}
.chartbox{background:#fff;border:1px solid var(--line);border-radius:3px;padding:10px;margin-top:10px}
table.mini{width:100%;border-collapse:collapse;margin-top:10px;font-size:.8rem}
table.mini th,table.mini td{padding:5px 6px;border-bottom:1px solid var(--line);text-align:right;font-family:var(--mono)}
table.mini th:first-child,table.mini td:first-child{text-align:left;font-family:var(--font)}
table.mini tr{cursor:pointer}table.mini tr.sel td{background:#e8eef8}
.good{color:var(--ok)}.weak{color:var(--dim)}
.riskbars{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0}
.riskbars div{background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:10px;text-align:center}
.riskbars b{display:block;font:700 1.5rem var(--mono)}
.riskbars div:nth-child(1) b{color:var(--hot)}.riskbars div:nth-child(2) b{color:var(--warn)}.riskbars div:nth-child(3) b{color:var(--ok)}
.riskbars span{font-size:.75rem;color:var(--mut);text-transform:uppercase;letter-spacing:.1em}
.toplist{padding-left:1.2em;font-size:.86rem;margin:6px 0}.toplist li{margin:.25em 0;cursor:pointer}.toplist li span{font-family:var(--mono);color:var(--hot)}
.sinklist{list-style:none;padding:0;margin:10px 0;max-height:190px;overflow:auto;font-size:.84rem;border:1px solid var(--line);border-radius:8px}
.sinklist li{padding:6px 10px;border-bottom:1px solid var(--line);cursor:pointer}.sinklist li:hover{background:var(--bg2)}
/* compare */
.compare{position:relative;margin:14px 0 0;aspect-ratio:7/5;border-radius:3px;overflow:hidden;border:1px solid var(--line);background:#111;--split:50%}
.compare img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.compare-top{position:absolute;inset:0;clip-path:inset(0 0 0 var(--split))}
.compare input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.compare::after{content:"";position:absolute;top:0;bottom:0;left:var(--split);width:2px;background:#fff;box-shadow:0 0 10px #000;pointer-events:none}
.cmp-l,.cmp-r{position:absolute;bottom:8px;z-index:2;color:#fff;font-size:.7rem;font-weight:600;background:rgba(0,0,0,.72);padding:3px 8px;border-radius:5px;pointer-events:none}
.cmp-l{left:8px}.cmp-r{right:8px}
/* map extras */
.map-legend{position:absolute;left:16px;bottom:30px;z-index:3;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:3px;padding:8px 10px;width:210px;font-size:.72rem;color:#3f4a5a}
.lg-title{display:block;margin-bottom:5px;color:var(--text);font-weight:600}
.lg-ramp{height:8px;border-radius:4px;background:linear-gradient(90deg,#67001f,#d6604d,#f7f7f7,#4393c3,#053061)}
.lg-ticks{display:flex;justify-content:space-between;font-family:var(--mono);margin-top:3px}
.lg-note{margin-top:5px;font-size:10.5px;line-height:1.3;color:var(--muted)}
.uk-lbl{background:rgba(15,23,42,.82);color:#fff;font-size:.68rem;font-weight:600;padding:2px 6px;border-radius:3px;border:1px solid rgba(255,255,255,.35);white-space:nowrap;pointer-events:none}
.uk-lbl.uk-pin{pointer-events:auto;cursor:pointer;border-color:#9cc3ff}
.map-tag{position:absolute;right:16px;top:16px;z-index:3;font-size:.72rem;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:3px;padding:5px 9px;color:#3f4a5a}
.maplibregl-popup-content{background:#fff;color:#1a1f29;border:1px solid var(--line);font:13px var(--font);border-radius:3px}
.maplibregl-popup-tip{display:none}
.maplibregl-ctrl-attrib{background:rgba(255,255,255,.85)!important;color:#444!important}.maplibregl-ctrl-attrib a{color:#333!important}
/* badges */
.qbadge{display:inline-block;font:700 .64rem/1 var(--font);letter-spacing:.08em;padding:4px 7px;border-radius:4px;vertical-align:middle}
.qbadge.provisional{background:#e3b341;color:#1b1400}.qbadge.beta{background:#f0883e;color:#1d0d00}.qbadge.preview{background:#59636e;color:#fff}.qbadge.placeholder{background:#a371f7;color:#fff}
/* bands */
.band{padding:110px 6vw;border-top:1px solid var(--line)}
.band.dark{background:var(--bg2)}
.wrap{max-width:1180px;margin:0 auto}
.wrap.two{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center}
.narrow{max-width:46rem;color:#2d3748}
.diagram{margin:0}.diagram svg{width:100%;border-radius:3px;border:1px solid var(--line)}
.diagram .dl{fill:#e9eef7;font:600 12px var(--font)}.diagram .dl.blue{fill:#5ec8ff}
.flow{animation:flow 1.1s linear infinite}@keyframes flow{to{stroke-dashoffset:-22}}
.gameframe{position:relative;margin-top:26px;aspect-ratio:16/9;border:1px solid var(--line);border-radius:3px;overflow:hidden;background:#000}
.gameframe iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.sim{display:grid;grid-template-columns:minmax(300px,.85fr) 1.4fr;gap:44px;align-items:center}
.sim .gameframe{margin-top:0}
.sim-shot{margin:0}
.gameframe img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:top left}
.playbig{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);padding:.9em 1.6em;font:700 1.05rem var(--font);color:#fff;background:var(--acc);border:0;border-radius:4px;box-shadow:0 6px 24px rgba(0,0,0,.35);cursor:pointer}
.playbig:hover,.playbig:focus-visible{filter:brightness(1.15);outline:3px solid #9cc3ff;outline-offset:2px}
.sim-steps{margin:18px 0 12px}
.sim-steps dt{font-weight:700;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:var(--acc);margin-top:14px}
.sim-steps dd{margin:4px 0 0;color:#2d3748;font-size:.95rem}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:26px 0}
.card{background:var(--panel);border:1px solid var(--line);border-radius:3px;padding:20px}
.card p{color:#2d3748;font-size:.93rem;margin:.3em 0}
.qlegend{font-size:.84rem;color:var(--mut);margin:10px 0}
.disclaimer{font-size:.92rem;color:#2d3748;max-width:60rem}
.site-footer{padding:34px 6vw;background:#0b1a33;color:#c6d2e3}.site-footer a{color:#9cc3ff}
.foot{display:flex;justify-content:space-between;gap:30px;font-size:.82rem;color:#c6d2e3}
/* doc pages */
.doc{max-width:860px;margin:0 auto;padding:calc(var(--hdr) + 60px) 24px 80px}
.doc h1{font-size:clamp(2rem,4vw,3rem)}
.doc .md h1{font-size:1.8rem}.doc .md h2{font-size:1.35rem;margin-top:1.6em}.doc .md h3{margin-top:1.2em}
.doc .md p,.doc .md li{color:#2d3748}
.doc .md code{font-family:var(--mono);font-size:.86em;background:var(--bg2);padding:1px 5px;border-radius:4px}
.doc .md pre{background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:12px;overflow:auto}
.doc .md table,table.data{width:100%;border-collapse:collapse;font-size:.86rem;margin:1em 0}
.doc .md th,.doc .md td,table.data th,table.data td{border-bottom:1px solid var(--line);padding:7px 8px;text-align:left;vertical-align:top}
.doc .md blockquote{border-left:3px solid var(--acc);margin:1em 0;padding:.2em 1em;color:var(--mut)}
.eq{font-family:var(--mono);background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:12px 14px;margin:12px 0;overflow-x:auto}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 30px}.toc a{font-size:.82rem;padding:5px 10px;border:1px solid var(--line);border-radius:999px;color:var(--mut)}
/* responsive */
@media (max-width:1100px){.stats{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2n){border-right:0}.stat{border-bottom:1px solid var(--line)}}
@media (max-width:860px){
  .story{display:block}
  .story-map{position:sticky;top:var(--hdr);height:48vh;z-index:1}
  .story-steps{padding:4vh 14px 30vh;position:relative}
  .step{margin-bottom:40vh;opacity:1;background:#fff}
  .wrap.two,.cards3{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}.stat{border-right:1px solid var(--line)!important}.stat:nth-child(2n){border-right:0!important}
  .band{padding:72px 16px}.hero{padding:calc(var(--hdr) + 30px) 16px 12vh}
  .hero-caption{left:16px;right:16px;text-align:left}
  .foot{flex-direction:column}
  .map-legend{width:170px;bottom:22px}
  .site-nav{gap:14px;max-width:60vw}.site-header{gap:16px;padding:0 14px}.logo{flex:none}.site-nav a{font-size:.82rem}
  .mce{grid-template-columns:1fr}.findings{grid-template-columns:1fr}.sim{grid-template-columns:1fr;gap:20px}
}
@media (max-width:480px){
  /* all five menu links visible on a 375 px phone: shorter logo, tighter links */
  .logo-text{display:none}.site-nav{max-width:none;gap:12px}.site-nav a{font-size:.8rem}
  .stat{padding:18px 14px}.stat .num{font-size:1.7rem}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}}

.stat .num{color:var(--acc)}
.riskbars div:nth-child(1) b{color:var(--hot)}
.figcredit{display:block;color:var(--dim);font-size:.74rem;margin-top:3px}
/* science page: summary + folded documents */
.inshort{background:#eef3fb;border:1px solid #c9d6ea;border-left:4px solid var(--acc);border-radius:3px;padding:18px 22px 10px;margin:22px 0 8px}
.inshort h2{font-size:1.15rem;margin:0 0 .4em}
.inshort ol{margin:0;padding-left:1.2em}.inshort li{margin:.45em 0;color:#2d3748}
details.fold{border-top:1px solid var(--line);margin-top:1.4em}
details.fold>summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:10px;padding:.6em 0}
details.fold>summary::-webkit-details-marker{display:none}
details.fold>summary::before{content:"+";font:700 1.2rem/1 var(--mono);color:var(--acc);width:1em}
details.fold[open]>summary::before{content:"−"}
details.fold>summary h2{margin:0;font-size:1.35rem}
details.fold>summary:focus-visible{outline:3px solid #9cc3ff;outline-offset:2px}
/* long file names / URLs in docs must wrap; wide tables scroll inside themselves on phones */
.doc code,.doc a,.doc td,.doc li{overflow-wrap:anywhere}
@media (max-width:860px){.doc .md table,.doc table.data{display:block;overflow-x:auto;max-width:100%}.doc .md pre,.doc .eq{max-width:100%}}
/* explorer */
.explorer-page{overflow:hidden}
.xp{display:grid;grid-template-columns:360px 1fr;height:100vh;padding-top:var(--hdr)}
.xp-panel{overflow-y:auto;padding:20px 20px 30px;border-right:1px solid var(--line);background:#fff}
.xp-panel h1{font-size:1.5rem;margin:0 0 .3em}
.xp-lbl{display:block;font-weight:700;font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--acc);margin:16px 0 6px}
.xp-select{width:100%;padding:8px 10px;font:500 .92rem var(--font);border:1px solid var(--line);border-radius:3px;background:#fff}
.xp-badge{margin:8px 0 0;font-size:.8rem;color:var(--mut)}.xp-badge small{display:block;margin-top:4px}
.xp-layers{border:0;padding:0;margin:0}
.xp-radio,.xp-check{display:flex;gap:8px;align-items:flex-start;font-size:.9rem;padding:4px 0;cursor:pointer}
.xp-overlays{margin-top:6px;padding-top:6px;border-top:1px dashed var(--line)}
.xp-legend{margin:14px 0 4px}.xp-words{font-family:var(--font)!important;color:var(--dim);font-size:.72rem}
.xp-mapwrap{position:relative}#xpMap{position:absolute;inset:0}
@media (max-width:860px){
  .explorer-page{overflow:auto}
  .xp{grid-template-columns:1fr;grid-template-rows:55vh auto;height:auto}
  .xp-mapwrap{grid-row:1;min-height:55vh}.xp-panel{grid-row:2;border-right:0}
}
/* who can use this / what next */
.who{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:24px}
.whocard{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:3px;padding:18px 16px;color:var(--text)}
.whocard:hover{border-color:var(--acc);text-decoration:none;box-shadow:0 4px 16px rgba(11,61,145,.1)}
.whocard svg{width:26px;height:26px;fill:none;stroke:var(--acc);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-bottom:10px}
.whocard h3{font-size:1rem;margin:0 0 .4em}.whocard p{font-size:.88rem;color:#2d3748;margin:0 0 .8em;flex:1}
.whocard span{font-size:.84rem;font-weight:600;color:var(--acc)}
.nextlist{max-width:52rem;padding-left:1.2em;margin:18px 0}.nextlist li{margin:.7em 0;color:#2d3748}
@media (max-width:1100px){.who{grid-template-columns:repeat(2,1fr)}}
@media (max-width:860px){.who{grid-template-columns:1fr}}
.steps5{padding-left:1.3em}.steps5 li{margin:.8em 0;color:#2d3748}
.steps5 pre{background:var(--bg2);border:1px solid var(--line);border-radius:4px;padding:10px 12px;font:12.5px/1.5 var(--mono);overflow-x:auto;margin:.6em 0 0}
.learn li{margin:.45em 0;color:#2d3748}
.note.fullyear img{display:block;width:100%;margin-top:10px;border:1px solid var(--line);border-radius:3px;background:#fff}

.newlink{font-size:.88rem;font-weight:600;color:var(--acc)}
.newcard h3{margin:0 0 .4em;font-size:1.02rem}
.results-sec{margin:24px 0 32px}
.results-grp{margin:18px 0 24px}
.results-grp h3{margin:0 0 10px;font-size:.92rem;text-transform:uppercase;letter-spacing:.06em;color:var(--mut);border-bottom:1px solid var(--line);padding-bottom:6px}
.results-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.rcard{display:flex;flex-direction:column;gap:8px;padding:14px 16px;background:var(--bg2);border:1px solid var(--line);border-radius:4px}
.rcard h4{margin:0;font-size:.98rem;line-height:1.3}
.rcard-key{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:1.05rem;font-weight:700;color:#0b3d91;font-family:var(--mono)}
.rcard-sum{margin:0;font-size:.86rem;line-height:1.45;color:#2d3748}
.rcard-fig{width:100%;max-height:132px;object-fit:cover;border:1px solid var(--line);border-radius:3px;background:#fff}
.rcard-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:auto;font-size:.84rem;font-weight:600}
@media (max-width:720px){.results-grid{grid-template-columns:1fr}}
/* wide Markdown tables scroll inside their box instead of overflowing (PC1) */
.doc .md table,.md table{display:block;max-width:100%;overflow-x:auto}