/* ==========================================================================
   ASTRA — the capability ledger · stylesheet
   ========================================================================== */

:root{
  --bg:#0b0d10;
  --bg-2:#101318;
  --bg-3:#161a21;
  --ink:#ece7dd;
  --ink-dim:#b9b3a6;
  --muted:#8d8779;
  --line:rgba(236,231,221,.14);
  --line-soft:rgba(236,231,221,.08);
  --low:#5d8a7a;
  --medium:#d9a441;
  --high:#e0703a;
  --critical:#f0433a;
  --critical-glow:rgba(240,67,58,.35);
  --accent:#e8b25a;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --sans:"Archivo",-apple-system,"Helvetica Neue",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --maxw:1180px;
  --pad:clamp(20px,4vw,48px);
  --ease:cubic-bezier(.22,.8,.24,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html:focus-within{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--serif);
  font-weight:400;
  font-size:clamp(16px,1.05vw + 12px,19px);
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--critical);color:#fff}
img,svg,canvas{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

.skip-link{
  position:fixed;top:-60px;left:16px;z-index:100;
  background:var(--ink);color:var(--bg);
  font-family:var(--mono);font-size:13px;padding:8px 14px;border-radius:4px;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:12px}

/* ---------- shared editorial elements ---------- */
.kicker{
  font-family:var(--mono);font-size:11.5px;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;color:var(--accent);
  margin:0 0 14px;
}
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(90px,14vh,160px) var(--pad) 0}
.section__head{margin-bottom:clamp(36px,6vh,64px);max-width:840px}
.section__no{
  font-family:var(--mono);font-size:12px;color:var(--muted);
  letter-spacing:.3em;margin:0 0 10px;
}
.section__no::after{content:"";display:inline-block;width:42px;height:1px;background:var(--muted);vertical-align:middle;margin-left:12px;opacity:.5}
h2{
  font-family:var(--serif);font-weight:560;
  font-size:clamp(30px,4.6vw,54px);line-height:1.08;letter-spacing:-.01em;
  margin:0 0 18px;
}
h3{font-family:var(--serif);font-weight:600;font-size:clamp(20px,2.2vw,26px);line-height:1.25;margin:0 0 10px}
.subhead{font-family:var(--sans);font-weight:700;font-size:15px;letter-spacing:.14em;text-transform:uppercase;margin:56px 0 14px;color:var(--ink)}
.section__deck{color:var(--ink-dim);max-width:720px;margin:0}
.prose{max-width:720px;margin:0 auto}
.prose--wide{max-width:1000px}
.prose p{margin:0 0 1.4em}
.lede{font-size:clamp(20px,2.4vw,27px);line-height:1.5;font-weight:430}
.pullquote{
  margin:22px 0;padding:4px 0 4px 22px;border-left:2px solid var(--critical);
  font-size:clamp(19px,2.1vw,24px);line-height:1.45;font-weight:480;font-style:italic;
}
.pullquote cite,.pullquote--altman cite{
  display:block;font-style:normal;font-family:var(--mono);font-size:12px;
  letter-spacing:.08em;color:var(--muted);margin-top:10px;
}
.key{transition:opacity .5s var(--ease)}
.d{transition:opacity .5s var(--ease), filter .5s var(--ease)}

/* skim mode */
body.skim .d{opacity:.13;filter:saturate(0) blur(.4px)}
body.skim .key{background:linear-gradient(transparent 62%,rgba(232,178,90,.22) 62%)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- rail ---------- */
.rail{
  position:fixed;left:0;top:0;bottom:0;z-index:50;
  width:212px;padding:28px 0 28px 26px;
  display:flex;flex-direction:column;gap:22px;
  transform:translateX(-178px);transition:transform .45s var(--ease);
  background:linear-gradient(90deg,rgba(11,13,16,.92),rgba(11,13,16,0));
}
.rail:hover,.rail:focus-within{transform:none}
.rail__progress{width:2px;flex:0 0 auto;background:var(--line-soft);border-radius:2px;position:absolute;left:12px;top:28px;bottom:28px}
.rail__progress span{display:block;width:100%;height:0;background:var(--critical);border-radius:2px;transition:height .15s linear}
.rail__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.rail__list a{
  display:flex;align-items:center;gap:12px;padding:7px 8px 7px 0;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--muted);
  text-decoration:none;border-radius:4px;transition:color .25s;
}
.rail__list a i{width:7px;height:7px;border-radius:50%;border:1px solid var(--muted);flex:0 0 auto;transition:all .25s}
.rail__list a.active{color:var(--ink)}
.rail__list a.active i{background:var(--critical);border-color:var(--critical);box-shadow:0 0 10px var(--critical-glow)}
.rail__skim{
  margin-top:auto;display:flex;align-items:center;gap:10px;text-align:left;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--muted);
  padding:9px 10px;border:1px solid var(--line);border-radius:6px;
  transition:border-color .25s,color .25s;
}
.rail__skim:hover{border-color:var(--accent);color:var(--ink)}
.rail__skim-dot{width:8px;height:8px;border-radius:50%;background:var(--muted);transition:all .25s;flex:0 0 auto}
.rail__skim[aria-pressed="true"]{color:var(--ink);border-color:var(--accent)}
.rail__skim[aria-pressed="true"] .rail__skim-dot{background:var(--accent);box-shadow:0 0 10px rgba(232,178,90,.5)}
.rail__skim em{font-style:normal;color:var(--accent)}

.topbar{position:fixed;top:0;left:0;right:0;height:2px;z-index:60;background:transparent;display:none}
.topbar span{display:block;height:100%;width:0;background:var(--critical)}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;justify-content:center;
  text-align:center;overflow:hidden;padding:80px var(--pad) 60px;
}
#starfield{position:absolute;inset:0;width:100%;height:100%}
.hero__veil{position:absolute;inset:0;background:radial-gradient(ellipse 90% 60% at 50% 110%,rgba(240,67,58,.10),transparent 55%),radial-gradient(ellipse 60% 45% at 50% 42%,transparent,rgba(11,13,16,.72) 78%)}
.hero__inner{position:relative;max-width:920px}
.hero__title{
  font-family:var(--sans);font-weight:840;font-stretch:118%;
  font-size:clamp(64px,15vw,190px);line-height:.94;letter-spacing:.055em;
  margin:6px 0 22px;
  background:linear-gradient(180deg,#f5f1e6 30%,#cbbf9f 58%,#7d7461 82%,#3d3a33);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 0 90px rgba(232,178,90,.12);
}
.hero__sub{font-size:clamp(18px,2.1vw,23px);line-height:1.55;color:var(--ink-dim);max-width:680px;margin:0 auto 20px}
.hero__dateline{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--muted);margin:0 0 30px}
.hero__chips{
  list-style:none;display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:0 0 44px;padding:0;
}
.hero__chips li{
  font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--ink-dim);
  border:1px solid var(--line);border-radius:999px;padding:8px 16px;
  background:rgba(236,231,221,.03);backdrop-filter:blur(4px);
}
.hero__chips b{color:var(--accent);font-weight:600;margin-right:4px}
.hero__cue{
  display:inline-flex;flex-direction:column;align-items:center;gap:8px;
  font-family:var(--mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--muted);text-decoration:none;transition:color .3s;
}
.hero__cue:hover{color:var(--ink)}
.hero__cue svg{animation:cue-bob 2.2s var(--ease) infinite}
@keyframes cue-bob{0%,100%{transform:translateY(0);opacity:.5}50%{transform:translateY(7px);opacity:1}}

/* ---------- 01 short version ---------- */
.facts-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;margin:44px 0 56px;background:var(--line-soft);border:1px solid var(--line-soft)}
.fact{background:var(--bg);padding:clamp(20px,3vw,34px)}
.fact h3{font-family:var(--sans);font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.fact p{margin:0;font-size:.94em;color:var(--ink-dim)}
.fact .key{color:var(--ink)}
.statband{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:34px 0;margin-bottom:20px;
}
.stat{text-align:center}
.stat__n{
  display:block;font-family:var(--sans);font-weight:800;font-stretch:110%;
  font-size:clamp(30px,4vw,52px);line-height:1;color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.stat__l{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--muted);margin-top:10px;line-height:1.5}

/* ---------- scrolly scaffold ---------- */
.scrolly{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(28px,4vw,64px);align-items:start}
.scrolly--flip .scrolly__visual{order:2}
.scrolly__visual{position:sticky;top:0;min-height:100vh;display:flex;align-items:center;justify-content:center}
.scrolly__steps{padding:8vh 0 18vh}
.step{min-height:78vh;display:flex;align-items:center}
.step__card{
  background:var(--bg-2);border:1px solid var(--line-soft);border-radius:10px;
  padding:clamp(22px,3vw,36px);max-width:520px;
  opacity:.28;transform:translateY(12px) scale(.985);
  transition:opacity .6s var(--ease),transform .6s var(--ease),border-color .6s var(--ease);
}
.step.is-active .step__card{opacity:1;transform:none;border-color:var(--line)}
.step__card--hot{border-color:rgba(240,67,58,.35)}
.step.is-active .step__card--hot{border-color:var(--critical);box-shadow:0 0 60px -18px var(--critical-glow)}
.step__date{font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.step__card p{margin:0 0 1em}
.step__card p:last-child{margin-bottom:0}

/* ---------- timeline visual ---------- */
.tl-visual{width:min(420px,100%);text-align:center}
.tl-visual__date{
  font-family:var(--sans);font-weight:800;font-stretch:112%;
  font-size:clamp(22px,2.6vw,34px);letter-spacing:.04em;margin:0 0 34px;
  color:var(--ink);transition:color .5s;
}
.tl-visual__date.hot{color:var(--critical);text-shadow:0 0 34px var(--critical-glow)}
.tl-spine{position:relative;height:min(52vh,460px);margin:0 auto;width:200px}
.tl-spine::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);background:var(--line-soft);border-radius:2px}
.tl-spine__fill{
  position:absolute;left:50%;top:0;width:2px;height:0;transform:translateX(-50%);
  background:linear-gradient(180deg,var(--accent),var(--critical));
  border-radius:2px;transition:height .7s var(--ease);
  box-shadow:0 0 16px rgba(240,67,58,.35);
}
.tl-nodes{list-style:none;margin:0;padding:0;position:absolute;inset:0}
.tl-nodes li{position:absolute;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:12px;white-space:nowrap}
.tl-nodes li i{
  width:11px;height:11px;border-radius:50%;background:var(--bg);
  border:1.5px solid var(--muted);transition:all .45s var(--ease);flex:0 0 auto;
}
.tl-nodes li span{
  position:absolute;left:22px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted);transition:color .45s;
}
.tl-nodes li.lit i{background:var(--accent);border-color:var(--accent);box-shadow:0 0 14px rgba(232,178,90,.45)}
.tl-nodes li.lit span{color:var(--ink)}
.tl-nodes li.lit.hot i{background:var(--critical);border-color:var(--critical);box-shadow:0 0 18px var(--critical-glow)}
.tl-visual__hint{font-family:var(--mono);font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-top:30px}

/* ---------- ladder visual ---------- */
.ladder{width:min(560px,100%);background:var(--bg-2);border:1px solid var(--line-soft);border-radius:12px;padding:clamp(18px,2.4vw,30px)}
.ladder__title{font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin:0 0 18px;text-align:center}
.ladder__body{display:grid;grid-template-columns:56px minmax(118px,150px) 1fr;gap:clamp(12px,1.8vw,22px);align-items:stretch}
.ladder__gauge{position:relative;border-radius:8px;background:var(--bg);border:1px solid var(--line-soft);overflow:visible}
.ladder__chips{position:relative;pointer-events:none}
.ladder__fill{
  position:absolute;left:8px;right:8px;bottom:8px;height:12%;
  border-radius:5px;
  background:linear-gradient(180deg,var(--high),var(--medium) 45%,var(--low));
  transition:height 1.1s var(--ease),background 1.1s var(--ease);
}
.ladder[data-step="1"] .ladder__fill{height:72%}
.ladder[data-step="2"] .ladder__fill{
  height:97%;
  background:linear-gradient(180deg,var(--critical) 12%,var(--high) 45%,var(--medium) 72%,var(--low));
  box-shadow:0 0 26px -4px var(--critical-glow);
}
.ladder__threshold{
  position:absolute;left:-6px;right:-6px;top:9.5%;height:0;
  border-top:2px dashed var(--critical);opacity:.85;
}
.ladder__chip{
  position:absolute;left:0;transform:translateX(-4px);max-width:100%;
  font-family:var(--mono);font-size:9.5px;letter-spacing:.05em;line-height:1.45;
  padding:5px 9px;border-radius:5px;border:1px solid var(--line);
  background:var(--bg-3);color:var(--ink-dim);opacity:0;
  transition:opacity .6s var(--ease),transform .6s var(--ease),border-color .4s,color .4s;
}
.ladder__chip--sol{top:26%}
.ladder__chip--astra{top:1.5%;border-color:var(--critical);color:var(--critical)}
.ladder[data-step="1"] .ladder__chip--sol,
.ladder[data-step="2"] .ladder__chip--sol{opacity:1;transform:none}
.ladder[data-step="2"] .ladder__chip--astra{opacity:1;transform:none;animation:chip-pulse 2.4s ease-in-out infinite}
.ladder[data-step="2"] .ladder__chip--sol{opacity:.55}
@keyframes chip-pulse{0%,100%{box-shadow:0 0 0 0 var(--critical-glow)}50%{box-shadow:0 0 22px 2px var(--critical-glow)}}
.ladder__stamp{
  position:absolute;left:50%;top:52%;transform:translate(-50%,-50%) rotate(-90deg) scale(1.6);
  font-family:var(--sans);font-weight:900;font-size:10px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--critical);border:1.5px solid var(--critical);border-radius:4px;padding:5px 8px;
  opacity:0;white-space:nowrap;pointer-events:none;background:rgba(11,13,16,.78);
  transition:opacity .5s var(--ease),transform .5s cubic-bezier(.2,1.6,.4,1);
}
.ladder[data-step="2"] .ladder__stamp{opacity:1;transform:translate(-50%,-50%) rotate(-90deg) scale(1)}
.ladder__rungs{display:flex;flex-direction:column;gap:8px}
.rung{
  flex:1;display:flex;align-items:baseline;justify-content:space-between;gap:10px;
  text-align:left;border:1px solid var(--line-soft);border-radius:8px;
  padding:10px 16px;background:var(--bg);
  transition:border-color .35s,background .35s,transform .35s var(--ease);
}
.rung b{font-family:var(--serif);font-size:clamp(18px,2vw,24px);font-weight:600}
.rung i{font-family:var(--mono);font-size:10px;font-style:normal;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.rung:hover{border-color:var(--line);transform:translateX(3px)}
.rung[aria-selected="true"]{background:var(--bg-3)}
.rung--low[aria-selected="true"]{border-color:var(--low);box-shadow:inset 3px 0 0 var(--low)}
.rung--medium[aria-selected="true"]{border-color:var(--medium);box-shadow:inset 3px 0 0 var(--medium)}
.rung--high[aria-selected="true"]{border-color:var(--high);box-shadow:inset 3px 0 0 var(--high)}
.rung--critical[aria-selected="true"]{border-color:var(--critical);box-shadow:inset 3px 0 0 var(--critical)}
.ladder[data-step="2"] .rung--critical{border-color:var(--critical)}
.ladder__panel{margin-top:16px;border-top:1px solid var(--line-soft);padding-top:16px;min-height:150px}
.ladder__panel h4{font-family:var(--sans);font-size:13px;font-weight:800;letter-spacing:.2em;text-transform:uppercase;margin:0 0 8px}
.ladder__panel p{margin:0 0 8px;font-size:.92em;color:var(--ink-dim)}
.panel-who{font-family:var(--mono);font-size:11.5px !important;letter-spacing:.04em;color:var(--muted) !important}
.panel-note{font-family:var(--mono);font-size:.8em;color:var(--muted)}
.ladder__note{font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;color:var(--muted);margin:14px 0 0;line-height:1.6}

/* ---------- cost explorer ---------- */
.cost{
  border:1px solid var(--line-soft);border-radius:12px;background:var(--bg-2);
  padding:clamp(20px,3vw,38px);margin:34px 0 60px;
}
.cost__stage{max-width:760px;margin:0 auto}
.cost__meter{position:relative;height:14px;border-radius:99px;background:var(--bg);border:1px solid var(--line-soft);margin:46px 0 26px}
.cost__meter-fill{
  position:absolute;inset:2px auto 2px 2px;width:50%;border-radius:99px;
  background:linear-gradient(90deg,var(--low),var(--medium) 45%,var(--high) 72%,var(--critical));
  transition:width .18s linear;
}
.cost__marker{position:absolute;top:-30px;transform:translateX(-50%);font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.cost__marker::after{content:"";position:absolute;left:50%;top:100%;height:26px;width:1px;background:var(--muted);opacity:.6}
.cost__marker--proof{color:var(--critical)}
.cost__marker--proof::after{background:var(--critical)}
.cost__readout{margin:0 0 26px;text-align:center}
.cost__readout b:first-child{
  display:block;font-family:var(--sans);font-weight:800;font-stretch:112%;
  font-size:clamp(34px,5vw,58px);line-height:1.05;font-variant-numeric:tabular-nums;
}
.cost__readout span{display:block;color:var(--ink-dim);font-size:.95em;margin-top:8px;max-width:520px;margin-inline:auto}
.cost__readout span b{color:var(--accent)}
.cost__slider-label{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.cost__slider-label span{text-transform:none;letter-spacing:.04em;opacity:.7}
#costRange{
  width:100%;appearance:none;-webkit-appearance:none;height:26px;background:transparent;cursor:pointer;
}
#costRange::-webkit-slider-runnable-track{height:4px;border-radius:4px;background:var(--line)}
#costRange::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;width:22px;height:22px;border-radius:50%;
  background:var(--ink);border:3px solid var(--bg);margin-top:-9px;
  box-shadow:0 0 0 1.5px var(--ink),0 0 16px rgba(236,231,221,.25);
}
#costRange::-moz-range-track{height:4px;border-radius:4px;background:var(--line)}
#costRange::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--ink);border:3px solid var(--bg);box-shadow:0 0 0 1.5px var(--ink)}
.cost__ticks{position:relative;height:14px;font-family:var(--mono);font-size:10px;color:var(--muted);margin-top:6px;letter-spacing:.04em}
.cost__ticks span{position:absolute;transform:translateX(-50%);white-space:nowrap}
.cost__ticks span:first-child{transform:none}
.cost__ticks span:last-child{transform:translateX(-100%)}
.cost__stops{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:30px 0 0;padding:0}
.cost__stops li{
  border:1px solid var(--line-soft);border-radius:8px;padding:12px 14px;background:var(--bg);
  transition:border-color .3s,transform .3s var(--ease);
}
.cost__stops li.is-near{border-color:var(--accent);transform:translateY(-3px)}
.cost__stops li.is-disclosed.is-near{border-color:var(--critical)}
.cost__stops b{display:block;font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:.02em;margin-bottom:4px}
.cost__stops span{font-family:var(--mono);font-size:10.5px;color:var(--muted);line-height:1.5;display:block}
.cost__stops i{color:var(--accent);font-style:normal}
.cost__note{font-family:var(--mono);font-size:10.5px;color:var(--muted);margin:18px 0 0;text-align:center;letter-spacing:.03em;line-height:1.6}

/* ---------- proofs grid ---------- */
.proofs-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:26px 0 46px}
.proof{perspective:900px}
.proof__btn{
  position:relative;width:100%;aspect-ratio:3/4;display:block;
  transform-style:preserve-3d;transition:transform .7s cubic-bezier(.3,.9,.3,1);
  border-radius:9px;
}
.proof__btn[aria-pressed="true"]{transform:rotateY(180deg)}
.proof__face{
  position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  border:1px solid var(--line-soft);border-radius:9px;padding:14px 10px;text-align:center;
  background:linear-gradient(160deg,var(--bg-2),var(--bg));
}
.proof__face--back{transform:rotateY(180deg);background:linear-gradient(160deg,#1b1512,var(--bg-2));border-color:rgba(232,178,90,.3)}
.proof__btn:hover .proof__face--front{border-color:var(--line)}
.proof__glyph{width:38px;height:38px;color:var(--accent);opacity:.8}
.proof__id{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase}
.proof__meta{font-family:var(--mono);font-size:9px;color:var(--muted);line-height:1.5;letter-spacing:.03em}
.proof__cost{font-family:var(--sans);font-weight:800;font-size:13px;color:var(--ink)}
.proof__flip-hint{font-family:var(--mono);font-size:8.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);opacity:.7;margin-top:auto}
.proof__back-word{font-family:var(--serif);font-style:italic;font-weight:600;font-size:17px;color:var(--accent)}
.proof__back-copy{font-size:11px;line-height:1.55;color:var(--ink-dim);font-family:var(--serif)}

/* ---------- containment ---------- */
.containment{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(28px,4vw,60px);
  max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);align-items:center;
}
#containment{margin-top:20px}
.containment__stage{text-align:center}
.cell{
  position:relative;width:min(460px,88vw);aspect-ratio:1;margin:0 auto;
  border-radius:50%;
}
.cell__ring{
  position:absolute;border-radius:50%;border:1.5px solid;transition:opacity .5s,border-color .5s,box-shadow .5s;
  display:flex;align-items:flex-start;justify-content:center;
}
.cell__ring span{
  position:absolute;top:-9px;background:var(--bg);padding:0 10px;
  font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;white-space:nowrap;
  transition:color .4s;
}
.cell__ring--iso{inset:0;border-color:var(--medium);border-style:dashed}
.cell__ring--iso span{color:var(--medium)}
.cell__ring--net{inset:13%;border-color:var(--high)}
.cell__ring--net span{color:var(--high)}
.cell__ring--sand{inset:27%;border-color:var(--critical);border-width:2px}
.cell__ring--sand span{color:var(--critical)}
.cell__halo{
  position:absolute;inset:-7%;border-radius:50%;pointer-events:none;
  border:1px solid transparent;
  background:radial-gradient(circle,transparent 62%,rgba(93,138,122,.14) 74%,transparent 88%);
  transition:opacity .5s;
}
.cell__halo span{
  position:absolute;bottom:2.5%;left:50%;transform:translateX(-50%);background:var(--bg);padding:0 10px;
  font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--low);white-space:nowrap;
}
.cell[data-layers="3"] .cell__ring--sand,
.cell__ring.is-off{opacity:.14;border-color:var(--muted)}
.cell__ring.is-off span{color:var(--muted)}
.cell__halo.is-off{opacity:.08}
.cell__halo.is-off span{color:var(--muted)}
.cell__core{
  position:absolute;inset:40.5%;border-radius:50%;
  background:radial-gradient(circle at 38% 32%,#2a2f38,var(--bg-3) 68%);
  border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  box-shadow:0 0 44px -8px rgba(232,178,90,.28),inset 0 0 24px rgba(0,0,0,.5);
}
.cell__core b{font-family:var(--sans);font-weight:850;font-stretch:115%;font-size:clamp(13px,1.7vw,17px);letter-spacing:.14em}
.cell__core i{font-family:var(--mono);font-style:normal;font-size:8px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.cell__probe{
  position:absolute;left:50%;top:50%;width:9px;height:9px;margin:-4.5px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 12px rgba(232,178,90,.8);opacity:0;
}
.cell__flash{
  position:absolute;left:50%;top:50%;width:26px;height:26px;margin:-13px;border-radius:50%;
  border:2px solid var(--critical);opacity:0;pointer-events:none;
}
.cell__flash.burst{animation:burst .7s var(--ease)}
@keyframes burst{0%{opacity:1;transform:scale(.4)}100%{opacity:0;transform:scale(2.6)}}
.cell__outside{
  position:absolute;top:-2px;right:-6px;font-family:var(--mono);font-size:9px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
}
.containment__status{
  margin:26px auto 0;max-width:400px;min-height:3.2em;
  font-family:var(--mono);font-size:12px;letter-spacing:.05em;line-height:1.6;color:var(--ink-dim);
}
.containment__status.blocked{color:var(--low)}
.containment__status.escaped{color:var(--critical)}
.measures{margin:0 0 30px;padding-left:22px}
.measures li{margin-bottom:12px;padding-left:6px}
.measures b{color:var(--ink)}
.measures .d{color:var(--ink-dim);font-size:.94em}
.switches{display:flex;flex-direction:column;gap:8px;margin-bottom:22px}
.switch{
  display:grid;grid-template-columns:38px 1fr;grid-template-rows:auto auto;column-gap:12px;
  align-items:center;text-align:left;border:1px solid var(--line-soft);border-radius:8px;
  padding:11px 14px;background:var(--bg-2);transition:border-color .3s;
}
.switch:hover{border-color:var(--line)}
.switch i{
  grid-row:1/3;width:34px;height:19px;border-radius:99px;background:var(--bg);
  border:1px solid var(--line);position:relative;transition:background .3s,border-color .3s;
}
.switch i::after{
  content:"";position:absolute;top:2px;left:2px;width:13px;height:13px;border-radius:50%;
  background:var(--muted);transition:transform .3s var(--ease),background .3s;
}
.switch[aria-checked="true"] i{background:rgba(232,178,90,.18);border-color:var(--accent)}
.switch[aria-checked="true"] i::after{transform:translateX(15px);background:var(--accent)}
.switch{font-family:var(--sans);font-weight:650;font-size:13.5px;letter-spacing:.02em}
.switch em{grid-column:2;font-family:var(--mono);font-style:normal;font-size:10px;color:var(--muted);letter-spacing:.04em}
.probe-btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--sans);font-weight:750;font-size:13px;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid var(--critical);color:var(--critical);border-radius:8px;padding:13px 22px;
  transition:background .3s,color .3s,box-shadow .3s;
}
.probe-btn:hover{background:var(--critical);color:#140c0b;box-shadow:0 0 30px -6px var(--critical-glow)}
.probe-btn:disabled{opacity:.4;cursor:wait}
.containment__note{font-family:var(--mono);font-size:10.5px;color:var(--muted);margin:16px 0 0;line-height:1.65;letter-spacing:.02em}

/* ---------- industry ---------- */
.labcards{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:34px 0 44px}
.labcard{
  position:relative;text-align:left;border:1px solid var(--line-soft);border-radius:10px;
  background:var(--bg-2);padding:24px 24px 20px;transition:border-color .3s,transform .3s var(--ease);
}
.labcard:hover{border-color:var(--line);transform:translateY(-3px)}
.labcard[aria-expanded="true"]{border-color:var(--accent)}
.labcard__tag{
  display:inline-block;font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent);border:1px solid rgba(232,178,90,.4);border-radius:99px;padding:4px 10px;margin-bottom:14px;
}
.labcard__tag--july{color:var(--critical);border-color:rgba(240,67,58,.4)}
.labcard h3{margin-bottom:8px}
.labcard__sum{margin:0;color:var(--ink-dim);font-size:.95em}
.labcard__more{
  margin:12px 0 0;font-size:.9em;color:var(--muted);overflow:hidden;
  max-height:0;opacity:0;transition:max-height .55s var(--ease),opacity .45s var(--ease),margin .45s;
}
.labcard[aria-expanded="true"] .labcard__more{max-height:220px;opacity:1}
.labcard__cue{
  position:absolute;top:20px;right:20px;font-family:var(--mono);font-size:18px;color:var(--muted);
  transition:transform .4s var(--ease),color .3s;
}
.labcard[aria-expanded="true"] .labcard__cue{transform:rotate(45deg);color:var(--accent)}

/* ---------- stakes lenses ---------- */
.lenses{border:1px solid var(--line-soft);border-radius:12px;background:var(--bg-2);margin:40px 0 48px;overflow:hidden}
.lenses__tabs{display:flex;border-bottom:1px solid var(--line-soft)}
.lenses__tabs button{
  flex:1;padding:16px 10px;font-family:var(--sans);font-weight:700;font-size:12.5px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .3s,border-color .3s,background .3s;
}
.lenses__tabs button:hover{color:var(--ink);background:rgba(236,231,221,.03)}
.lenses__tabs button[aria-selected="true"]{color:var(--accent);border-bottom-color:var(--accent)}
.lenses__panel{padding:clamp(22px,3vw,36px)}
.lenses__panel p{margin:0;font-size:1.02em}
.watch{border-left:2px solid var(--accent);padding:6px 0 6px 24px;margin:48px 0}
.watch ul{margin:0;padding-left:20px}
.watch li{margin-bottom:12px;color:var(--ink-dim)}
.watch b{color:var(--ink)}
.closing{
  margin:70px 0 0;text-align:center;padding:0 clamp(10px,4vw,60px);
}
.closing p{
  font-size:clamp(24px,3.4vw,38px);line-height:1.35;font-weight:460;font-style:italic;margin:0 0 18px;
}
.closing p::before{content:"“";color:var(--critical)}
.closing p::after{content:"”";color:var(--critical)}
.closing cite{font-family:var(--mono);font-style:normal;font-size:12px;letter-spacing:.1em;color:var(--muted)}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);margin-top:clamp(90px,14vh,160px);background:var(--bg-2)}
.footer__inner{
  max-width:var(--maxw);margin:0 auto;padding:clamp(48px,7vh,80px) var(--pad);
  display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:clamp(28px,4vw,64px);
}
.footer__title{font-family:var(--sans);font-weight:800;font-stretch:112%;font-size:19px;letter-spacing:.04em;margin:0 0 14px}
.footer p{font-size:.88em;color:var(--muted);margin:0 0 12px}
.footer h3{font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-dim);margin:0 0 16px}
.footer details{border-bottom:1px solid var(--line-soft);padding:10px 0}
.footer summary{
  cursor:pointer;font-family:var(--sans);font-weight:650;font-size:13.5px;color:var(--ink-dim);
  list-style:none;display:flex;justify-content:space-between;align-items:center;
}
.footer summary::after{content:"+";font-family:var(--mono);color:var(--muted);transition:transform .3s}
.footer details[open] summary::after{transform:rotate(45deg)}
.footer details p{margin-top:8px;font-size:.84em}
.footer__top{
  display:inline-block;margin-top:10px;font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent);text-decoration:none;
}
.footer__top:hover{text-decoration:underline}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .rail{display:none}
  .topbar{display:block}
}
@media (max-width:960px){
  .scrolly{grid-template-columns:1fr}
  .scrolly--flip .scrolly__visual{order:-1}
  .scrolly__visual{min-height:0;height:52vh;top:0;z-index:5;background:linear-gradient(180deg,var(--bg) 86%,transparent);padding:8px 0}
  .scrolly__steps{padding:0 0 10vh}
  .step{min-height:60vh}
  .step__card{max-width:none}
  .containment{grid-template-columns:1fr}
  .facts-grid{grid-template-columns:1fr 1fr}
  .proofs-grid{grid-template-columns:repeat(5,1fr)}
  .footer__inner{grid-template-columns:1fr}
  /* compact timeline visual */
  .tl-visual__date{font-size:19px;margin-bottom:14px}
  .tl-spine{height:min(28vh,230px)}
  .tl-nodes li span{font-size:9.5px}
  .tl-visual__hint{display:none}
  /* compact ladder visual */
  .ladder{padding:14px}
  .ladder__title{font-size:9px;margin-bottom:10px}
  .ladder__body{grid-template-columns:34px 92px 1fr;gap:8px}
  .ladder__gauge{border-radius:6px}
  .ladder__fill{left:5px;right:5px;bottom:5px}
  .ladder__chips{font-size:0}
  .ladder__chip{font-size:7.5px;padding:3px 5px;letter-spacing:.02em}
  .rung{padding:7px 10px}
  .rung b{font-size:14px}
  .rung i{display:none}
  .ladder__panel{min-height:0;max-height:15vh;overflow-y:auto;margin-top:10px;padding-top:10px}
  .ladder__panel h4{font-size:10px}
  .ladder__panel p{font-size:.78em;line-height:1.5}
  .panel-who{font-size:9.5px !important}
  .ladder__note{display:none}
  .ladder__stamp{font-size:7px;padding:3px 5px;letter-spacing:.12em}
}
@media (max-width:720px){
  .facts-grid{grid-template-columns:1fr}
  .statband{grid-template-columns:repeat(2,1fr);gap:28px 12px}
  .labcards{grid-template-columns:1fr}
  .cost__stops{grid-template-columns:repeat(2,1fr)}
  .proofs-grid{grid-template-columns:repeat(2,1fr)}
  .lenses__tabs{flex-direction:column}
  .lenses__tabs button{text-align:left;padding:13px 18px;border-bottom:0;border-left:2px solid transparent}
  .lenses__tabs button[aria-selected="true"]{border-left-color:var(--accent)}
  .ladder__body{grid-template-columns:36px 96px 1fr;gap:10px}
  .ladder__chip{font-size:8px;padding:4px 6px}
  .ladder__stamp{font-size:8px;top:44%;padding:4px 7px;letter-spacing:.1em}
  .rung b{font-size:16px}
  .hero__chips li{font-size:10.5px;padding:7px 12px}
}
@media (max-width:720px){
  .cost__ticks span:nth-child(4){display:none} /* $2,000 already labeled by the meter marker */
}
@media (max-width:420px){
  .proofs-grid{grid-template-columns:1fr 1fr;gap:8px}
  .cost__ticks{font-size:8.5px}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  .hero__cue svg{animation:none}
}