:root{
  --paper:#F1F3F5; --surface:#FFFFFF; --sunken:#E8EBEF;
  --ink:#14181D; --ink-2:#3C4650; --muted:#616D79; --rule:#D5DAE0; --rule-2:#E5E9ED;
  --accent:#A3324A; --accent-soft:#F3E2E6; --sky:#2C6B9C;
  --s1:#2a78d6; --s2:#eb6834; --s3:#1baf7a;
  --shadow:0 1px 2px rgba(20,24,29,.06),0 8px 24px rgba(20,24,29,.06);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){ :root:not([data-theme="light"]){
  --paper:#0F1216; --surface:#171B21; --sunken:#1E232A;
  --ink:#E7EBF0; --ink-2:#C3CCD5; --muted:#94A0AD; --rule:#2A313A; --rule-2:#222831;
  --accent:#E4728A; --accent-soft:#332026; --sky:#69A9D6;
  --s1:#3987e5; --s2:#d95926; --s3:#199e70;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 28px rgba(0,0,0,.35);
  color-scheme:dark;
}}
:root[data-theme="dark"]{
  --paper:#0F1216; --surface:#171B21; --sunken:#1E232A;
  --ink:#E7EBF0; --ink-2:#C3CCD5; --muted:#94A0AD; --rule:#2A313A; --rule-2:#222831;
  --accent:#E4728A; --accent-soft:#332026; --sky:#69A9D6;
  --s1:#3987e5; --s2:#d95926; --s3:#199e70;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 28px rgba(0,0,0,.35);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:"Source Serif 4",Georgia,"Times New Roman",serif;
  font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px 96px}
.measure{max-width:65ch}
h1,h2,h3{font-family:Archivo,"Helvetica Neue",Arial,sans-serif}
.mono,.eyebrow,.stat-n,.bar-val,td.num,.tag,.tb-top,.stat-l,th,button,.pill,.hint
  {font-family:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace}

.titleblock{border-bottom:2px solid var(--ink);margin-top:40px;padding-bottom:18px}
.tb-top{display:flex;flex-wrap:wrap;gap:10px 28px;align-items:baseline;font-size:11.5px;
  letter-spacing:.09em;text-transform:uppercase;color:var(--muted);
  border-bottom:1px solid var(--rule);padding-bottom:12px;margin-bottom:16px}
.tb-top b{color:var(--ink-2);font-weight:500}
h1{font-size:clamp(34px,5.2vw,58px);line-height:1.02;letter-spacing:-.022em;margin:0 0 10px;
  font-weight:700;text-wrap:balance}
.deck{font-size:19px;color:var(--ink-2);max-width:60ch;margin:0}
.stamp{display:inline-block;margin-top:16px;padding:5px 11px;border:1px solid var(--accent);
  color:var(--accent);background:var(--accent-soft);border-radius:3px;
  font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase}

.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(168px,1fr));gap:1px;
  background:var(--rule);border:1px solid var(--rule);margin:34px 0 8px;border-radius:4px;overflow:hidden}
.stat{background:var(--surface);padding:18px 20px}
.stat-n{font-size:31px;font-weight:600;letter-spacing:-.02em;line-height:1.05;
  font-variant-numeric:tabular-nums;color:var(--ink)}
.stat-n small{font-size:15px;font-weight:400;color:var(--muted);margin-left:3px}
.stat-l{font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-top:7px}

section{margin-top:64px}
.eyebrow{display:flex;align-items:center;gap:12px;font-size:11.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.eyebrow::after{content:"";flex:1;height:1px;background:var(--rule)}
h2{font-size:clamp(23px,2.8vw,30px);letter-spacing:-.015em;margin:0 0 14px;font-weight:600;text-wrap:balance}
h3{font-size:17px;margin:30px 0 8px;font-weight:600;letter-spacing:-.005em}
p{margin:0 0 16px}
strong{font-weight:600}
a{color:var(--sky)}
:focus-visible{outline:2px solid var(--sky);outline-offset:2px}

figure{margin:26px 0;background:var(--surface);border:1px solid var(--rule);border-radius:5px;
  overflow:hidden;box-shadow:var(--shadow)}
figure img{display:block;width:100%;height:auto;background:var(--surface)}
figcaption{padding:12px 16px;border-top:1px solid var(--rule-2);color:var(--muted);
  font-size:13.5px;line-height:1.5}
figcaption b{color:var(--ink-2);font-weight:600}

.tw{overflow-x:auto;margin:22px 0;border:1px solid var(--rule);border-radius:5px;background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:14.5px}
th{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);text-align:left;
  padding:11px 16px;border-bottom:1px solid var(--rule);font-weight:600;white-space:nowrap}
td{padding:10px 16px;border-bottom:1px solid var(--rule-2);vertical-align:top}
tr:last-child td{border-bottom:none}
td.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap;font-size:13.5px}
.tag{display:inline-block;padding:2px 7px;border-radius:3px;font-size:10.5px;letter-spacing:.06em;
  text-transform:uppercase;border:1px solid var(--rule);color:var(--muted)}
.tag.ok{color:var(--s3);border-color:var(--s3)}
.tag.watch{color:var(--s2);border-color:var(--s2)}

.chart{background:var(--surface);border:1px solid var(--rule);border-radius:5px;
  padding:22px 24px 18px;margin:24px 0;box-shadow:var(--shadow)}
.chart h3{margin:0 0 3px;font-size:16px}
.chart .sub{color:var(--muted);font-size:13px;margin:0 0 20px;font-family:"IBM Plex Mono",monospace}
.bars{display:flex;flex-direction:column;gap:14px}
.barrow{display:grid;grid-template-columns:138px 1fr;gap:14px;align-items:center}
.barlab{font-size:13px;color:var(--ink-2);line-height:1.25}
.barlab span{display:block;font-family:"IBM Plex Mono",monospace;font-size:10.5px;
  color:var(--muted);letter-spacing:.04em;margin-top:2px}
.track{position:relative;height:26px;background:var(--sunken);border-radius:3px}
.fill{position:absolute;left:0;top:0;bottom:0;border-radius:0 4px 4px 0;box-shadow:0 0 0 2px var(--surface)}
.fill.zero{width:2px!important;border-radius:0;opacity:.55}
.bar-val{position:absolute;top:50%;transform:translateY(-50%);font-size:13px;font-weight:600;
  font-variant-numeric:tabular-nums;color:var(--ink);white-space:nowrap}
.axis{display:flex;justify-content:space-between;margin:14px 0 0 152px;
  font-family:"IBM Plex Mono",monospace;font-size:10.5px;color:var(--muted);
  border-top:1px solid var(--rule-2);padding-top:6px}

.finding{background:var(--surface);border:1px solid var(--rule);border-left:3px solid var(--accent);
  border-radius:4px;padding:18px 22px;margin:20px 0}
.finding h3{margin:0 0 7px;font-size:16.5px}
.finding p:last-child{margin-bottom:0}
.finding .src{font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--muted);
  display:block;margin-top:9px}
ol.open{padding-left:0;list-style:none;counter-reset:oi;margin:18px 0 0}
ol.open li{counter-increment:oi;position:relative;padding:11px 0 11px 42px;border-bottom:1px solid var(--rule-2)}
ol.open li::before{content:counter(oi,decimal-leading-zero);position:absolute;left:0;top:12px;
  font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--accent);font-weight:500}
ol.open li:last-child{border-bottom:none}
footer{margin-top:70px;padding-top:20px;border-top:1px solid var(--rule);color:var(--muted);font-size:13px}
@media (max-width:620px){.barrow{grid-template-columns:1fr;gap:6px}.axis{margin-left:0}body{font-size:16px}}

/* ---------- 3D viewer ---------- */
.viewer{position:relative;margin:26px 0;border:1px solid var(--rule);border-radius:6px;
  overflow:hidden;background:#0d1117;box-shadow:var(--shadow)}
.viewer.tall #globe{height:min(74vh,700px)}
#globe{width:100%;height:min(60vh,560px);position:relative}
.viewer:fullscreen{border-radius:0;margin:0;border:none}
.viewer:fullscreen #globe{height:100vh}
.cesium-widget-credits{font-size:10px!important;opacity:.55}
.cesium-widget canvas{display:block}
.vtools{position:absolute;top:12px;left:12px;right:12px;display:flex;flex-wrap:wrap;
  gap:6px;align-items:flex-start;pointer-events:none;z-index:5}
.vtools>*{pointer-events:auto}
button{background:rgba(23,27,33,.86);color:#E7EBF0;border:1px solid rgba(255,255,255,.16);
  border-radius:5px;padding:6px 10px;font-size:11.5px;cursor:pointer;backdrop-filter:blur(8px)}
button:hover{background:rgba(44,107,156,.9);border-color:#69A9D6}
button.on{background:#2C6B9C;border-color:#69A9D6;color:#fff;font-weight:600}
.spacer{flex:1}
.vpanel{position:absolute;left:12px;bottom:12px;background:rgba(23,27,33,.9);
  border:1px solid rgba(255,255,255,.14);border-radius:6px;padding:11px 13px;
  backdrop-filter:blur(8px);max-width:230px;z-index:5;color:#E7EBF0}
.vpanel label{display:flex;align-items:center;gap:7px;font-size:11.5px;padding:2.5px 0;
  cursor:pointer;font-family:"IBM Plex Mono",monospace}
.vpanel input[type=checkbox]{accent-color:#69A9D6;width:13px;height:13px}
.sw{width:10px;height:10px;border-radius:2px;flex:none}
.vnote{position:absolute;left:50%;top:14px;transform:translateX(-50%);z-index:6;
  background:rgba(23,27,33,.94);border:1px solid rgba(255,255,255,.16);border-radius:6px;
  padding:11px 15px;font-size:12.5px;max-width:min(560px,86%);color:#E7EBF0;
  font-family:"IBM Plex Mono",monospace;line-height:1.5;display:none}
.vnote a{color:#7dbcea}
.vnote code{background:rgba(255,255,255,.1);padding:1px 5px;border-radius:3px}
.hint{margin-top:10px;color:var(--muted);font-size:12.5px}