/* Layout concept: an anatomical plate inside an imaging console. A live specimen holds the
   centre, data panels sit in the margins, and the reading text runs in a calm column below.
   Palette: H&E, the haematoxylin and eosin stain on every pathology slide. Haematoxylin violet
   for the ground, eosin pink for the one thing that is active, pale tissue for the text. */
:root{
  color-scheme: dark;
  --ink:#120d1f;        /* haematoxylin night */
  --ink-2:#1a1430;      /* panel */
  --ink-3:#241c3f;      /* raised panel */
  --ink-rgb:18 13 31;     /* page ground as rgb, for translucent layers */
  --ov-rgb:15 10 26;      /* overlays inside the viewers: always a dark glass */
  --acc-rgb:255 79 147;
  --line-rgb:200 182 255;
  --bone-rgb:246 238 244;
  --line:rgb(var(--line-rgb) / .14);
  --line-2:rgb(var(--line-rgb) / .28);
  --text-2:#e8dde7; --text-3:#dfd2de; --btn-hover:#fff;
  --stage-hi:#231a42; --stage-lo:#0f0a1b; --stage-deep:#0b0714; --hero-glow:#251a44;
  --d-style:normal; --d-weight:620; --d-track:-.025em;
  --bone:#f6eef4;       /* text: unstained tissue */
  --muted:#c3b6cf;
  --faint:#9688aa;
  --accent:#ff4f93;     /* eosin: the thing that is active right now */
  /* fluorescence channels, one per brain region */
  --fl:#f5b04a; --pl:#4fc6d6; --tl:#ff7a9c; --ol:#a78bfa; --cb:#7fd39d; --bs:#7393ff;
  --f-display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --f-body:"Geist","Helvetica Neue",Helvetica,Arial,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  /* page margins grow with the screen: 16px on a phone, 64px on a wide desktop */
  --gut-l:max(clamp(16px, 4vw, 64px), env(safe-area-inset-left, 0px));
  --gut-r:max(clamp(16px, 4vw, 64px), env(safe-area-inset-right, 0px));
  --maxw:1440px;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;background:var(--ink)}
body{margin:0;background:var(--ink);color:var(--bone);font:16px/1.6 var(--f-body);-webkit-font-smoothing:antialiased;overflow-x:clip}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--ink)}
a{color:inherit}
::selection{background:var(--accent);color:var(--ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--gut-l);padding-right:var(--gut-r)}
.mono{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--muted)}
.num{font-variant-numeric:tabular-nums}
h1,h2,h3{font-family:var(--f-display);font-weight:var(--d-weight);letter-spacing:var(--d-track);text-wrap:balance;margin:0;line-height:1.02}
p{margin:0}

/* ---------- top bar ---------- */
.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgb(var(--ink-rgb) / .72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.bar .wrap{display:flex;align-items:center;gap:24px;height:56px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;white-space:nowrap}
.brand .mk{width:28px;height:28px;border:1px solid var(--line-2);border-radius:50%;display:grid;place-items:center;font:var(--d-style) 600 13px/1 var(--f-display);color:var(--bone)}
.brand span{font-size:14px;font-weight:500;letter-spacing:.01em}
.nav{display:flex;gap:22px;margin-left:auto}
.nav a{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);text-decoration:none;padding:6px 0;border-bottom:1px solid transparent}
.nav a:hover,.nav a.on{color:var(--bone);border-bottom-color:var(--accent)}
.clock{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;color:var(--faint);white-space:nowrap}
.clock b{color:var(--bone);font-weight:500}
/* heartbeat sound toggle: eosin while on, and it rings with every beat */
.snd{flex:none;display:grid;place-items:center;width:30px;height:30px;padding:0;border:1px solid var(--line-2);border-radius:50%;background:transparent;color:var(--faint);cursor:pointer;transition:color .2s,border-color .2s}
.snd svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.snd .slash{transition:opacity .2s}
.snd[aria-pressed="true"]{color:var(--accent);border-color:rgb(var(--acc-rgb) / .5)}
.snd[aria-pressed="true"] .slash{opacity:0}
.snd:hover{color:var(--bone);border-color:var(--bone)}
.snd.thump{animation:thump .6s ease-out}
@keyframes thump{0%{box-shadow:0 0 0 0 rgb(var(--acc-rgb) / .6)}100%{box-shadow:0 0 0 12px rgb(var(--acc-rgb) / 0)}}
@media (prefers-reduced-motion:reduce){.snd.thump{animation:none}}
@media (max-width:1040px){.nav{gap:14px}}
@media (min-width:901px) and (max-width:980px){.clock{display:none}}
@media (max-width:900px){.nav{display:none}.clock{margin-left:auto}.bar .wrap{gap:14px}}

/* ---------- hero ---------- */
.hero{position:relative;min-height:clamp(700px,calc(100vh - 56px),1000px);overflow:hidden;
  background:radial-gradient(60% 55% at 52% 48%, var(--hero-glow) 0%, rgb(var(--ink-rgb) / 0) 70%), var(--ink)}
.stage{position:absolute;inset:0;z-index:1;touch-action:pan-y;cursor:grab}
.stage.dragging{cursor:grabbing}
.stage canvas{position:relative;z-index:1;display:block;width:100%;height:100%}
.stage .poster{position:absolute;z-index:0;left:var(--pcx,50%);top:var(--pcy,48%);height:var(--ph,min(62%,520px));width:auto;max-width:94%;object-fit:contain;transform:translate(-50%,-50%);mix-blend-mode:lighten;pointer-events:none;user-select:none;opacity:1;transition:opacity 1.2s ease}
.stage.gl-ready .poster{opacity:0}
.stage .fallback{position:absolute;z-index:2;display:none;left:var(--pcx,50%);top:calc(var(--pcy,48%) + var(--ph,300px) / 2);transform:translateX(-50%);width:max-content;max-width:90%;text-align:center;color:var(--faint);font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;padding:8px}
.no-webgl .stage .fallback{display:grid}
.hover-tag{position:absolute;z-index:3;pointer-events:none;transform:translate(14px,-50%);font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 8px;background:rgb(var(--ink-rgb) / .85);border:1px solid var(--line-2);border-radius:3px;white-space:nowrap;opacity:0;transition:opacity .15s}
.hover-tag.on{opacity:1}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(300px,380px) 1fr minmax(300px,350px);grid-template-rows:1fr auto;
  gap:20px 32px;min-height:inherit;padding-block:36px 32px;pointer-events:none}
.hero-grid>*{pointer-events:auto}
.intro{grid-column:1;grid-row:1;align-self:center;display:flex;flex-direction:column;gap:22px;max-width:380px}
.eyebrow{display:flex;align-items:center;gap:10px}
.eyebrow span{text-wrap:balance}
@media (min-width:1101px){.eyebrow span{white-space:nowrap}}
.eyebrow::before{content:"";flex:none;align-self:flex-start;margin-top:5px;width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent)}
.intro h1{font-size:clamp(46px,5.6vw,84px);font-style:var(--d-style);font-weight:var(--d-weight);letter-spacing:var(--d-track)}
.intro h1 .dr{display:block;font-style:normal;font-size:.42em;letter-spacing:.02em;color:var(--muted);margin-bottom:.25em;font-weight:400}
.intro .lede{font-size:17px;line-height:1.6;color:var(--text-2);max-width:38ch}
.cta{display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-flex;align-items:center;gap:8px;font:500 13px/1 var(--f-body);letter-spacing:.02em;padding:12px 16px;border-radius:999px;border:1px solid var(--line-2);
  background:transparent;color:var(--bone);text-decoration:none;cursor:pointer;transition:background .2s,border-color .2s,color .2s}
.btn:hover{border-color:var(--bone)}
.btn.solid{background:var(--bone);color:var(--ink);border-color:var(--bone)}
.btn.solid:hover{background:var(--btn-hover)}
.btn .arr{display:inline-block;transition:transform .3s cubic-bezier(.2,.8,.2,1)}
.btn:hover .arr{transform:translateX(3px)}
.btn.solid:hover .arr{transform:translateY(2px)}
.hint{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;color:var(--faint)}

/* console (right) */
.console{grid-column:3;grid-row:1 / span 2;align-self:center;display:flex;flex-direction:column;gap:12px;
  background:linear-gradient(180deg,rgb(var(--ink-rgb) / .86),rgb(var(--ink-rgb) / .74));border:1px solid var(--line);border-radius:6px;padding:16px;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);max-height:calc(100% - 8px);overflow:auto}
.c-head{display:flex;justify-content:space-between;align-items:center;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;padding:3px 7px;border-radius:3px;border:1px solid currentColor}
.region h2{font-size:30px;font-style:var(--d-style);margin-top:4px}
.region .fn{font-size:13px;color:var(--muted);margin-top:4px;line-height:1.5}
.region .wk{margin-top:12px;border-top:1px solid var(--line);padding-top:10px}
.region .wk h3{margin:2px 0 6px;font:500 15px/1.3 var(--f-body)}
.region ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:7px}
.region li{font-size:13px;line-height:1.45;color:var(--text-2);padding-left:14px;position:relative}
.region li::before{content:"";position:absolute;left:0;top:.6em;width:6px;height:1px;background:var(--rc,var(--accent))}
.region .ai{margin-top:10px;font-size:13px;color:var(--bone);line-height:1.45}
.region .ai .mono{display:block;margin-bottom:3px}
.lobes{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.lobe-btn{display:flex;align-items:center;gap:7px;font:500 12px/1 var(--f-body);color:var(--muted);background:transparent;border:1px solid var(--line);border-radius:4px;padding:8px 7px;cursor:pointer;text-align:left;transition:all .2s}
.lobe-btn i{width:8px;height:8px;border-radius:50%;flex:none;background:var(--c);box-shadow:0 0 8px var(--c)}
.lobe-btn b{font-family:var(--f-mono);font-weight:500;font-size:10px;letter-spacing:.08em;color:var(--faint)}
.lobe-btn:hover{color:var(--bone);border-color:var(--line-2)}
.lobe-btn[aria-pressed="true"]{color:var(--bone);border-color:var(--c);background:rgba(255,255,255,.03)}
.ctrls{display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--line);padding-top:12px}
.row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.toggle{white-space:nowrap;font:500 12px/1 var(--f-body);color:var(--bone);background:transparent;border:1px solid var(--line-2);border-radius:999px;padding:8px 12px;cursor:pointer}
.toggle[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--ink)}
.seg{display:flex;border:1px solid var(--line);border-radius:4px;overflow:hidden}
.seg button{flex:1;font-family:var(--f-mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:transparent;border:0;border-right:1px solid var(--line);padding:8px 4px;cursor:pointer}
.seg button:last-child{border-right:0}
.seg button:hover{color:var(--bone)}
.seg button[aria-pressed="true"]{color:var(--ink);background:var(--bone)}
.range{display:flex;flex-direction:column;gap:6px}
.range .ends{display:flex;justify-content:space-between}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:20px;background:transparent;cursor:pointer}
input[type=range]::-webkit-slider-runnable-track{height:2px;background:linear-gradient(90deg,var(--accent) var(--p,0%),var(--line-2) var(--p,0%))}
input[type=range]::-moz-range-track{height:2px;background:var(--line-2)}
input[type=range]::-moz-range-progress{height:2px;background:var(--accent)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--bone);border:0;margin-top:-6px;box-shadow:0 0 0 4px rgb(var(--acc-rgb) / .18)}
input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--bone);border:0}
.readouts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;border-top:1px solid var(--line);padding-top:10px}
.readouts div{display:flex;flex-direction:column;gap:2px}
.readouts .v{font-family:var(--f-mono);font-size:13px;color:var(--bone)}
.tour{display:flex;align-items:center;gap:8px}
.tour .dot{width:6px;height:6px;border-radius:50%;background:var(--faint)}
.tour.on .dot{background:var(--accent);animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.25}}
.linkish{background:none;border:0;padding:0;color:var(--muted);font-family:var(--f-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.linkish:hover{color:var(--bone)}

/* EEG strip */
.eeg{grid-column:1 / span 2;grid-row:2;align-self:end;display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:end;max-width:880px}
.eeg-meta{display:flex;flex-direction:column;gap:4px;min-width:150px}
.eeg-meta .big{font-family:var(--f-display);font-style:var(--d-style);font-size:28px;line-height:1}
.eeg canvas{width:100%;height:96px;display:block;min-width:0}

@media (max-width:1100px){
  .hero{min-height:0;display:flex;flex-direction:column}
  .hero-grid{display:contents}
  .intro{order:1;max-width:none;align-self:stretch;padding:28px var(--gut-r) 8px var(--gut-l)}
  .stage{order:2;position:relative;inset:auto;height:min(68vh,560px);min-height:360px}
  .console{order:3;align-self:stretch;margin:0 var(--gut-r) 0 var(--gut-l);max-height:none;background:var(--ink-2);backdrop-filter:none}
  .eeg{order:4;align-self:stretch;padding:20px var(--gut-r) 24px var(--gut-l);grid-template-columns:1fr;max-width:none}
}
/* phones and tablets: the brain stays pinned above the console while it scrolls beneath, so every control shows its effect */
@media (max-width:1100px) and (min-height:600px){
  .hero{overflow:clip}
  .stage{position:sticky;top:calc(env(safe-area-inset-top,0px) + 57px);z-index:3;height:min(46vh,430px);min-height:300px;
    background:radial-gradient(70% 62% at 50% 50%,var(--hero-glow) 0%,var(--ink) 78%);border-bottom:1px solid var(--line)}
  @supports (height:1svh){.stage{height:min(46svh,430px)}}
}

/* ---------- sections ---------- */
/* each section opens on a running head: one hairline, its number, its name and its plate */
section.block{scroll-margin-top:calc(env(safe-area-inset-top,0px) + 76px)}
#top{scroll-margin-top:calc(env(safe-area-inset-top,0px) + 57px)}
.block .wrap{padding-block:0 clamp(72px,9vw,128px)}
.runhead{display:grid;grid-template-columns:3.2em auto minmax(0,1fr);align-items:baseline;gap:12px;padding-top:14px;border-top:1px solid var(--line-2);margin-bottom:clamp(40px,6vw,88px)}
.runhead .mono{font-size:11px}
.runhead .rh-n{color:var(--accent)}
.runhead .rh-t{color:var(--bone)}
.runhead .rh-m{color:var(--faint);text-align:right;text-wrap:balance}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:32px 64px;align-items:end;margin-bottom:clamp(40px,5vw,64px)}
.sec-head h2,.path-intro h2{font-size:clamp(38px,5vw,68px);font-style:var(--d-style)}
.sec-head p{color:var(--text-3);font-size:17px;max-width:58ch}
@media (max-width:800px){.sec-head{grid-template-columns:1fr}}

/* about: the quote runs the full measure, then the portrait sits beside the prose and its facts */
.about{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(40px,5vw,72px) clamp(40px,6vw,96px);align-items:start}
.quote{grid-column:1 / -1;margin:0;max-width:17em;font-family:var(--f-display);font-style:var(--d-style);font-size:clamp(32px,4.4vw,64px);line-height:1.08;text-wrap:balance}
.quote cite{display:block;margin-top:24px;font-style:normal}
.about-r{display:flex;flex-direction:column;gap:clamp(32px,4vw,48px);min-width:0;padding-top:6px}
.prose{display:flex;flex-direction:column;gap:18px;font-size:17px;color:var(--text-2);max-width:62ch}
.prose strong{color:var(--bone);font-weight:600}
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line);max-width:62ch}
.facts div{padding:18px 16px 18px 0;display:flex;flex-direction:column;gap:6px;min-width:0}
.facts div:nth-child(even){border-left:1px solid var(--line);padding-left:16px}
.facts div:nth-child(n+3){border-top:1px solid var(--line)}
.facts .v{font-size:15px;color:var(--bone);line-height:1.4}
@media (max-width:900px){.about{grid-template-columns:1fr}}

/* specimen viewers (cell + scan) */
.viewer{display:grid;grid-template-columns:240px minmax(0,1fr) 250px;gap:0;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:var(--ink-2)}
.viewer>aside{padding:18px;display:flex;flex-direction:column;gap:14px;min-width:0}
.viewer>aside:first-of-type{border-right:1px solid var(--line)}
.viewer>aside:last-of-type{border-left:1px solid var(--line)}
.vstage{position:relative;min-height:560px;background:radial-gradient(70% 60% at 50% 45%,var(--stage-hi) 0%,var(--stage-lo) 75%);touch-action:pan-y;cursor:grab}
.vstage canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.vstage .corner{position:absolute;font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);pointer-events:none}
.layer-list{display:flex;flex-direction:column;gap:2px}
.layer-btn{display:grid;grid-template-columns:10px 1fr;gap:4px 10px;align-items:start;text-align:left;background:transparent;border:0;border-left:2px solid transparent;color:var(--muted);padding:9px 8px;cursor:pointer;border-radius:0 3px 3px 0}
.layer-btn i{width:9px;height:9px;border-radius:2px;background:var(--c);margin-top:4px}
.layer-btn b{font:500 13px/1.25 var(--f-body);color:inherit}
.layer-btn small{grid-column:2;font-size:12px;color:var(--faint);line-height:1.35}
.layer-btn:hover{color:var(--bone);background:rgba(255,255,255,.02)}
.layer-btn[aria-pressed="true"]{color:var(--bone);border-left-color:var(--c);background:rgba(255,255,255,.035)}
.layer-btn.cue{color:var(--bone);border-left-color:var(--c)}
.stat{display:flex;justify-content:space-between;align-items:baseline;gap:8px;font-size:13px;color:var(--muted)}
.stat .v{font-family:var(--f-mono);color:var(--bone);font-size:13px;white-space:nowrap}
.bars{display:flex;flex-direction:column;gap:9px}
.bar-row{display:grid;grid-template-columns:1fr 46px;gap:6px 8px;align-items:center;font-size:12px;color:var(--muted)}
.bar-row .track{grid-column:1 / -1;height:4px;background:var(--line);border-radius:2px;overflow:hidden}
.bar-row .fill{height:100%;background:var(--c,var(--accent));width:0;transition:width .25s}
.bar-row .v{font-family:var(--f-mono);color:var(--bone);text-align:right}
.big-read{font-family:var(--f-display);font-style:var(--d-style);font-size:40px;line-height:1;white-space:nowrap}
@media (max-width:520px){.big-read{font-size:34px}}
.pipe{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.pipe span{font-family:var(--f-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);padding:4px 6px;border:1px solid var(--line);border-radius:3px}
.pipe span.on{color:var(--ink);background:var(--accent);border-color:var(--accent)}
.pipe em{color:var(--faint);font-style:normal}
.note{font-size:13px;line-height:1.55;color:var(--muted)}
.note strong{color:var(--bone);font-weight:500}
@media (max-width:1100px){
  .viewer{grid-template-columns:1fr}
  .viewer>aside:first-of-type{border-right:0;border-bottom:1px solid var(--line);order:2}
  .viewer>aside:last-of-type{border-left:0;border-top:1px solid var(--line);order:3}
  .vstage{order:1;min-height:0;height:min(70vh,520px)}
  .layer-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
}

/* scan */
.scan-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line)}
.scan-cell{position:relative;background:var(--stage-deep);display:flex;flex-direction:column}
.scan-cell canvas{position:static;inset:auto;width:100%;height:auto;aspect-ratio:1;max-width:100%;display:block}
.scan-cell .cap{position:absolute;left:12px;top:10px;right:12px;display:flex;justify-content:space-between;pointer-events:none}
.scan-stage{background:var(--stage-deep);cursor:default;min-height:0}
@media (max-width:1100px){.scan-stage{height:auto}}
@media (max-width:560px){.scan-grid{grid-template-columns:1fr}}

/* work */
.work{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line)}
.case{padding:30px 32px 36px 0;border-bottom:1px solid var(--line);min-width:0}
.case-in{display:flex;flex-direction:column;gap:14px}
.work .case:nth-child(even){padding-left:32px;padding-right:0;border-left:1px solid var(--line)}
.case-top{display:flex;align-items:center;gap:14px;min-width:0}
.case-top .idx{color:var(--accent)}
.case-top .status{margin-left:auto}
.case h3{font-size:clamp(26px,2.4vw,34px);font-style:var(--d-style)}
/* status badges are little neon signs, one colour each, like a motel strip at night: live burns eosin pink, research ice blue,
   prototypes amber, the demo violet. The unvalidated ones have dashed tubes, and they buzz now and then. */
.status{--neon:200 182 255;--tsh:0 0 3px rgb(var(--neon) / .9),0 0 9px rgb(var(--neon) / .6),0 0 18px rgb(var(--neon) / .35);
  --bsh:0 0 5px rgb(var(--neon) / .45),0 0 16px rgb(var(--neon) / .2),inset 0 0 6px rgb(var(--neon) / .25);
  font:500 10px/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;padding:4px 7px;border-radius:3px;font-style:normal;
  color:rgb(var(--neon));color:color-mix(in srgb,rgb(var(--neon)) 60%,#fff);border:1px solid rgb(var(--neon) / .85);background:rgb(var(--neon) / .07);
  text-shadow:var(--tsh);box-shadow:var(--bsh)}
.status.live{--neon:var(--acc-rgb)}
.status.research{--neon:92 214 255}
.status.proto{--neon:255 168 62}
.status.demo{--neon:180 142 255}
.status.proto,.status.demo{border-style:dashed}
.case p{color:var(--text-3);font-size:15px;max-width:56ch}
.case .tags{display:flex;flex-wrap:wrap;gap:6px 14px;font-family:var(--f-mono);font-size:11px;color:var(--faint);letter-spacing:.04em}
.case a.out{color:var(--bone);text-underline-offset:3px}
@media (max-width:860px){.work{grid-template-columns:1fr}.work .case:nth-child(even){padding-left:0;border-left:0}}

/* path */
.path{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);gap:48px 72px}
.path-intro{position:sticky;top:96px;align-self:start;display:flex;flex-direction:column;gap:16px}
.timeline{list-style:none;margin:0;padding:0;border-left:1px solid var(--line-2)}
.timeline li{position:relative;display:grid;grid-template-columns:110px minmax(0,1fr);gap:4px 18px;padding:0 0 26px 24px}
.timeline li::before{content:"";position:absolute;left:-4px;top:7px;width:7px;height:7px;border-radius:50%;background:var(--ink);border:1px solid var(--line-2)}
.timeline .yr{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);padding-top:4px;transition:color .3s}
.timeline li.lit .yr{color:var(--muted)}
.timeline li.now .yr{color:var(--accent)}
.timeline b{display:block;font-weight:500;color:var(--bone);font-size:16px;line-height:1.35}
.timeline span{display:block;color:var(--muted);font-size:14px;margin-top:3px;line-height:1.5}
@media (max-width:860px){.path{grid-template-columns:1fr}.path-intro{position:static}.timeline li{grid-template-columns:1fr}}

/* training */
.training{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--line);overflow-x:clip}
.tgroup{padding:22px 20px 24px 0;display:flex;flex-direction:column;gap:12px;min-width:0}
.tgroup+.tgroup{border-left:1px solid var(--line);padding-left:20px}
.tgroup ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.tgroup li{font-size:14px;line-height:1.45;color:var(--text-2)}
.tgroup li small{display:block;color:var(--faint);font-size:12px;margin-top:2px}
@media (max-width:1000px){.training{grid-template-columns:repeat(2,minmax(0,1fr))}.tgroup:nth-child(3){border-left:0;padding-left:0}.tgroup:nth-child(n+3){border-top:1px solid var(--line)}}
@media (max-width:560px){.training{grid-template-columns:1fr}.tgroup+.tgroup{border-left:0;padding-left:0;border-top:1px solid var(--line)}}

/* contact */
.contact{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:48px 72px;align-items:end}
.contact h2{font-size:clamp(44px,6.4vw,96px);font-style:var(--d-style);line-height:.98}
.contact .lines{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.cline{display:grid;grid-template-columns:96px minmax(0,1fr) auto;gap:12px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.cline .val{font-size:16px;color:var(--bone);overflow-wrap:anywhere;user-select:all}
.cline a.val{user-select:auto;text-decoration:none}
.cline a.val:hover{color:var(--accent)}
.copy{font-family:var(--f-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;background:transparent;color:var(--muted);border:1px solid var(--line-2);border-radius:3px;padding:6px 8px;cursor:pointer}
.copy:hover{color:var(--bone);border-color:var(--bone)}
@media (max-width:860px){.contact{grid-template-columns:1fr}.cline{grid-template-columns:80px minmax(0,1fr) auto}}

footer .wrap{padding-block:0 40px}
.f-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;padding-block:22px;border-top:1px solid var(--line-2)}
.f-role{color:var(--faint)}
.f-up{margin-left:auto;text-decoration:none;transition:color .2s}
.f-up:hover{color:var(--bone)}
.f-base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 32px;padding-top:22px;border-top:1px solid var(--line)}
footer p{font-size:13px;color:var(--faint);max-width:70ch}
@media (max-width:640px){.f-role{order:3;flex-basis:100%}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .tour.on .dot{animation:none}
}

/* ---------- scroll effects ---------- */
.progress{position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--accent);transform-origin:0 50%;transform:scaleX(0);box-shadow:0 0 8px var(--accent)}
.intro,.console,.eeg{will-change:transform,opacity}

/* headings: words rise out of a mask */
.hw{display:inline-block;overflow:hidden;vertical-align:top;padding:0 .08em .14em 0;margin:0 -.08em -.14em 0}
.hw>span{display:inline-block}
.fx-head.armed .hw>span{transform:translateY(110%) rotate(4deg);transition:transform 1s cubic-bezier(.16,.84,.24,1) calc(var(--i)*55ms)}
.fx-head.armed.in .hw>span{transform:none}

/* quote: words come into focus with scroll */
.qw{display:inline-block}
.qw>span{display:inline-block;will-change:opacity,filter,transform}

/* ECG rhythm strip, drawn by scroll */
.ecg{grid-column:1 / -1;position:relative;height:120px;
  background-image:linear-gradient(rgb(var(--acc-rgb) / .09) 1px,transparent 1px),linear-gradient(90deg,rgb(var(--acc-rgb) / .09) 1px,transparent 1px),
  linear-gradient(rgb(var(--acc-rgb) / .04) 1px,transparent 1px),linear-gradient(90deg,rgb(var(--acc-rgb) / .04) 1px,transparent 1px);
  background-size:40px 40px,40px 40px,8px 8px,8px 8px;background-position:-1px -1px}
.ecg svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.ecg path{fill:none;stroke:var(--accent);stroke-width:1.6;vector-effect:non-scaling-stroke;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:0;filter:drop-shadow(0 0 4px rgb(var(--acc-rgb) / .6))}
.ecg-dot{position:absolute;left:0;top:0;width:8px;height:8px;margin:-4px 0 0 -4px;border-radius:50%;background:#fff;box-shadow:0 0 10px 3px var(--accent);opacity:0}
.ecg-lab{position:absolute;right:0;top:8px;font-size:10.5px;color:var(--faint)}

/* case files: a scan line exposes each one */
.fx-scan{position:relative}
.fx-scan.armed>.case-in{clip-path:inset(0 0 100% 0)}
.fx-scan.armed.in>.case-in{clip-path:inset(0 0 0 0);transition:clip-path 1.1s cubic-bezier(.3,.7,.2,1) var(--d,0ms)}
.fx-scan.armed::after{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--accent);box-shadow:0 0 14px 2px var(--accent);opacity:0;pointer-events:none}
.fx-scan.armed.in::after{animation:scanline 1.1s cubic-bezier(.3,.7,.2,1) var(--d,0ms) both}
@keyframes scanline{0%{top:0;opacity:1}88%{top:calc(100% - 2px);opacity:1}100%{top:calc(100% - 2px);opacity:0}}
/* the signs go dark off screen, and stutter back on each time their case file scrolls into view (FX) */
.neon .status{opacity:.16;filter:saturate(.4) brightness(.75);text-shadow:none;box-shadow:none}
.neon .status.lit{opacity:1;filter:none;text-shadow:var(--tsh);box-shadow:var(--bsh);animation:neon-on 1.3s steps(1) var(--nd,0ms) both}
.neon .status.lit.proto,.neon .status.lit.demo{animation:neon-on 1.3s steps(1) var(--nd,0ms) both,neon-buzz var(--nb,9s) steps(1) calc(var(--nd,0ms) + 3s) infinite}
@keyframes neon-on{0%{opacity:.12;filter:brightness(.7)}6%{opacity:1;filter:brightness(1.5)}9%{opacity:.15;filter:brightness(.7)}17%{opacity:.9;filter:brightness(1.2)}
  20%{opacity:.25;filter:brightness(.8)}31%{opacity:1;filter:brightness(1.7)}34%{opacity:.4;filter:brightness(.9)}46%{opacity:1;filter:brightness(1.25)}100%{opacity:1;filter:none}}
@keyframes neon-buzz{0%,90%,100%{opacity:1}91%{opacity:.3}92%{opacity:1}93.5%{opacity:.55}94.5%{opacity:1}}

/* training: slides drop into the tray */
.fx-tilt.armed{opacity:0;transform:perspective(900px) rotateX(16deg) translateY(36px);transform-origin:50% 0}
.fx-tilt.armed.in{opacity:1;transform:none;transition:opacity .8s ease var(--d,0ms),transform 1s cubic-bezier(.16,.84,.24,1) var(--d,0ms)}

/* timeline: an impulse jumps node to node */
.timeline{position:relative;--fill:0px}
.timeline::before{content:"";position:absolute;left:-2px;top:0;width:3px;height:var(--fill);background:linear-gradient(180deg,rgb(var(--acc-rgb) / .15),var(--accent));box-shadow:0 0 10px rgb(var(--acc-rgb) / .55);transition:height .38s cubic-bezier(.2,.9,.25,1);border-radius:2px}
.timeline::after{content:"";position:absolute;left:-6px;top:var(--fill);width:11px;height:11px;margin-top:-6px;border-radius:50%;background:#fff;box-shadow:0 0 0 3px rgb(var(--acc-rgb) / .35),0 0 18px 4px var(--accent);transition:top .38s cubic-bezier(.2,.9,.25,1);opacity:var(--pulse,0)}
.timeline li{transition:opacity .4s}
.timeline li::before{transition:background .3s,box-shadow .3s,transform .3s}
.timeline li.lit::before{background:var(--bone);border-color:var(--bone);box-shadow:0 0 10px rgb(var(--bone-rgb) / .4);transform:scale(1.35)}
.timeline li.now::before{background:var(--accent);border-color:var(--accent);box-shadow:0 0 12px var(--accent)}
.timeline.armed li:not(.lit){opacity:.45}
.axon-cap{display:flex;flex-direction:column;gap:6px;margin-top:6px;max-width:40ch;border-left:1px solid var(--accent);padding-left:12px}

/* contact: a field of synapses */
#contact{position:relative;overflow:hidden}
#synapse{position:absolute;inset:0;width:100%;height:100%;display:block;pointer-events:none}
#contact .wrap{position:relative;z-index:1}

/* pinned dissection on large screens */
.cell-follow-on{color:var(--accent)}
@media (min-width:1101px) and (min-height:720px){
  .pin{height:calc(100vh - 104px + 330vh)}
  .cell-viewer{position:sticky;top:80px;height:calc(100vh - 104px)}
  .cell-viewer .vstage{min-height:0}
  .cell-viewer>aside{overflow:auto}
}
@media (prefers-reduced-motion:reduce){
  .fx-head.armed .hw>span,.fx-tilt.armed,.fx-scan.armed>.case-in{transform:none;opacity:1;clip-path:none}
}

/* cell: hotspots, journey, leader line */
.cell-viewer{position:relative}
@media (min-width:1101px) and (min-height:720px){.cell-viewer{position:sticky}}
.leader{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:4;overflow:visible}
.leader path{fill:none;stroke-width:1;stroke-dasharray:3 3;opacity:.85}
.hotspots{position:absolute;inset:0;pointer-events:none;z-index:3}
.hot{position:absolute;left:0;top:0;width:26px;height:26px;margin:-13px 0 0 -13px;border:0;padding:0;background:transparent;cursor:pointer;pointer-events:auto;border-radius:50%}
.hot span{position:absolute;inset:7px;border-radius:50%;background:var(--c);box-shadow:0 0 0 2px rgb(var(--ov-rgb) / .8),0 0 12px var(--c)}
.hot::after{content:"";position:absolute;inset:0;border-radius:50%;border:1px solid var(--c);animation:hotpulse 2.2s ease-out infinite}
@keyframes hotpulse{0%{transform:scale(.5);opacity:1}100%{transform:scale(1.6);opacity:0}}
.hot-card{position:absolute;left:0;top:0;z-index:5;max-width:240px;margin:16px 0 0 16px;padding:10px 12px;background:rgb(var(--ov-rgb) / .92);border:1px solid var(--c,var(--line-2));border-radius:4px;
  display:flex;flex-direction:column;gap:4px;pointer-events:none;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.hot-card b{font:500 13px/1.3 var(--f-body);color:var(--bone)}
.hot-card span{font-size:12px;line-height:1.45;color:var(--muted)}
.journey-cap{position:absolute;left:14px;right:14px;bottom:40px;z-index:3;display:flex;flex-direction:column;gap:4px;max-width:440px;padding:10px 12px;
  background:rgb(var(--ov-rgb) / .78);border-left:2px solid var(--c,var(--accent));backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);pointer-events:none}
.journey-cap span:last-child{font-size:13px;line-height:1.45;color:var(--bone)}
.journey{display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-block:12px}
.jtag{position:absolute;left:0;top:0;z-index:3;font-size:10px;color:#b8ffd0;padding:3px 6px;background:rgb(var(--ov-rgb) / .7);border:1px solid rgba(127,240,160,.5);border-radius:3px;pointer-events:none;white-space:nowrap}
/* the stage sits in a track: on phones the track is tall and the stage pins inside it */
.vtrack{position:relative;display:flex;flex-direction:column;min-width:0}
.vtrack>.vstage{flex:1 1 auto;overflow:hidden}
.chips{display:none}
@media (max-width:1100px){
  .cell-viewer{overflow:visible}
  .cell-viewer>aside:first-of-type{display:none}
  .vtrack{order:1}
  .vtrack>.vstage{border-radius:6px 6px 0 0}
  .chips{display:flex;position:absolute;left:0;right:0;top:32px;z-index:4;gap:6px;padding:0 14px 4px;overflow-x:auto;scrollbar-width:none;touch-action:pan-x;-webkit-overflow-scrolling:touch}
  .chips::-webkit-scrollbar{display:none}
  .chip{flex:none;display:inline-flex;align-items:center;gap:7px;min-height:34px;padding:0 12px 0 10px;border:1px solid var(--line-2);border-radius:999px;background:rgb(var(--ov-rgb) / .74);
    color:var(--muted);font:500 12px/1 var(--f-body);white-space:nowrap;cursor:pointer;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
  .chip i{width:8px;height:8px;border-radius:50%;background:var(--c,var(--bone))}
  .chip[aria-pressed="true"]{color:var(--bone);border-color:var(--c,var(--bone));box-shadow:inset 0 0 0 1px var(--c,var(--bone))}
  .chip.cue{color:var(--bone);border-color:var(--c)}
  .cell-viewer .journey-cap{bottom:36px}
}
@media (max-width:1100px) and (min-height:520px){
  .vtrack{--sv:calc(100vh - env(safe-area-inset-top,0px) - 74px);height:calc(var(--sv) + 330vh)}
  @supports (height:100svh){.vtrack{--sv:calc(100svh - env(safe-area-inset-top,0px) - 74px)}}
  .vtrack>.vstage{position:sticky;top:calc(env(safe-area-inset-top,0px) + 64px);height:var(--sv);flex:none}
}
/* no WebGL: nothing to pin */
#cell.nogl .pin,#cell.nogl .vtrack{height:auto}
#cell.nogl .cell-viewer{position:relative;height:auto}
#cell.nogl .vtrack>.vstage{position:relative;top:auto;height:min(70vh,520px);min-height:320px}
#cell.nogl .chips{display:none}
.jbar{height:3px;background:var(--line);border-radius:2px;overflow:hidden}
.jbar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#7ff0a0,#ffd166,var(--accent));transition:width .2s}
@media (prefers-reduced-motion:reduce){.hot::after{animation:none}}

/* ---------- about: halftone portrait ---------- */
.portrait{margin:0;width:100%;max-width:440px;transform:rotate(-2deg);transition:transform .6s cubic-bezier(.2,.8,.2,1)}
.portrait:hover{transform:rotate(0) scale(1.01)}
.portrait .pf{position:relative;padding:12px;background:#ede6d8;border-radius:3px;box-shadow:0 30px 60px -30px rgba(0,0,0,.8),0 0 0 1px rgba(237,230,216,.2)}
.portrait canvas{display:block;width:100%;height:auto;cursor:crosshair;touch-action:manipulation}
.portrait .cm{position:absolute;width:12px;height:12px;border-color:var(--accent);border-style:solid;border-width:0}
.portrait .tl{left:5px;top:5px;border-left-width:2px;border-top-width:2px}.portrait .tr{right:5px;top:5px;border-right-width:2px;border-top-width:2px}
.portrait .bl{left:5px;bottom:5px;border-left-width:2px;border-bottom-width:2px}.portrait .br{right:5px;bottom:5px;border-right-width:2px;border-bottom-width:2px}
.portrait figcaption{display:flex;justify-content:space-between;gap:12px;margin-top:12px}
@media (max-width:900px){.portrait{max-width:340px;margin-inline:auto}}

/* ---------- plate IV: from print to prediction ---------- */
.era-pin{position:relative;height:calc(100vh + 400vh)}
.era-view{position:sticky;top:calc(env(safe-area-inset-top,0px) + 72px);height:calc(100vh - 96px);display:grid;grid-template-columns:minmax(250px,.72fr) minmax(0,1.28fr);gap:36px;align-items:center}
.era-stage{position:relative;height:100%;min-height:0;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:radial-gradient(70% 60% at 50% 45%,var(--stage-hi) 0%,var(--stage-lo) 75%)}
.era-stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.era-bar{position:absolute;left:14px;right:14px;bottom:12px;height:2px;background:var(--line);border-radius:2px;overflow:hidden}
.era-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#ede6d8,#4fc6d6,#a78bfa,var(--accent));transition:width .5s cubic-bezier(.2,.8,.2,1)}
.era-steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.era-steps li{display:grid;grid-template-columns:84px minmax(0,1fr);column-gap:14px;padding:9px 0;border-top:1px solid var(--line);opacity:.32;transition:opacity .45s}
.era-steps li:last-child{border-bottom:1px solid var(--line)}
.era-steps .yr{grid-row:span 2;font-family:var(--f-display);font-style:var(--d-style);font-size:30px;line-height:1;color:var(--bone)}
.era-steps b{font:500 11px/1.3 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);align-self:center}
.era-steps .t>span{min-height:0;overflow:hidden}
.era-steps .t{display:grid;grid-template-rows:0fr;font-size:14px;line-height:1.5;color:var(--muted);transition:grid-template-rows .45s,margin .45s}
.era-steps li.on{opacity:1}.era-steps li.on b{color:var(--accent)}.era-steps li.on .t{grid-template-rows:1fr;margin-top:6px}
@media (max-width:900px){
  .era-pin{height:calc(100vh + 430vh)}
  .era-view{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) auto;gap:14px;height:calc(100vh - 92px)}
  @supports (height:100svh){.era-view{height:calc(100svh - 92px)}}
  .era-stage{order:1}.era-steps{order:2;min-height:118px}
  .era-steps li{display:none;border:0;padding:0;opacity:1}.era-steps li.on{display:grid}
  .era-steps .yr{font-size:26px}
}
@media (max-height:600px) and (min-width:901px){.era-steps .t{font-size:13px}.era-steps li{padding:6px 0}}

/* ---------- plate V: the chest ---------- */
.chest-viewer{grid-template-columns:330px minmax(0,1fr)}
.chest-viewer>aside{border-left:0!important;max-height:760px;overflow:auto}
.chest-viewer .vstage{min-height:680px}
.cert-list{display:flex;flex-direction:column;gap:18px}
.cgroup{display:flex;flex-direction:column;gap:2px}
.cg-h{display:flex;flex-direction:column;gap:2px;padding:0 6px 6px;border-bottom:1px solid var(--line);margin-bottom:4px}
.cg-h .mono{color:var(--c)}.cg-h small{font-size:12px;color:var(--faint);line-height:1.4}
.cert{display:grid;grid-template-columns:24px minmax(0,1fr);gap:2px 10px;align-items:start;text-align:left;background:transparent;border:0;border-left:2px solid transparent;color:var(--muted);padding:8px 8px 8px 6px;cursor:pointer;border-radius:0 4px 4px 0}
.cert .num{grid-row:span 2;width:22px;height:22px;border-radius:50%;border:1px solid var(--c,var(--line-2));display:grid;place-items:center;font:600 10.5px/1 var(--f-mono);color:var(--bone);margin-top:1px}
.cgroup .cert .num{border-color:var(--c)}
.cert b{font:500 13px/1.3 var(--f-body);color:var(--text-2)}.cert small{font-size:11.5px;color:var(--faint);line-height:1.35}.cert small em{font-style:normal;color:var(--muted)}
.cert:hover{background:rgba(255,255,255,.025)}.cert:hover b{color:var(--bone)}
.cert[aria-pressed="true"]{border-left-color:var(--c);background:rgba(255,255,255,.04)}.cert[aria-pressed="true"] .num{background:var(--c);color:var(--ink)}
.marks{position:absolute;inset:0;pointer-events:none;z-index:3}
.marks .pmk{position:absolute;left:0;top:0;width:24px;height:24px;margin:-12px 0 0 -12px;border-radius:50%;border:1px solid var(--c);background:rgb(var(--ov-rgb) / .82);color:var(--bone);
  font:600 10.5px/22px var(--f-mono);text-align:center;padding:0;cursor:pointer;pointer-events:auto;opacity:0;transition:opacity .35s,background .2s,transform .05s linear;box-shadow:0 0 12px -2px var(--c)}
.chest-ready .pmk{opacity:1}.marks .pmk.off{opacity:0!important;pointer-events:none}
.marks .pmk:hover,.marks .pmk.on{background:var(--c);color:var(--ink)}
.chest-tip{position:absolute;left:0;top:0;z-index:4;pointer-events:none;font-size:10px;padding:4px 7px;background:rgb(var(--ov-rgb) / .86);border:1px solid var(--line-2);border-radius:3px;white-space:nowrap;color:var(--bone)}
.chest-card{position:absolute;left:14px;bottom:40px;z-index:5;width:min(340px,calc(100% - 28px));padding:12px 34px 12px 14px;background:rgb(var(--ov-rgb) / .9);border:1px solid var(--line-2);border-left:2px solid var(--c);
  border-radius:4px;display:flex;flex-direction:column;gap:5px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.chest-card b{font:500 15px/1.3 var(--f-body);color:var(--bone)}.chest-card .by{font-size:12.5px;color:var(--muted)}
.chest-card .pt{display:flex;align-items:center;gap:8px;font:500 11px/1.3 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--c);margin-top:4px}
.chest-card .pt i{width:8px;height:8px;border-radius:50%;background:var(--c)}
.chest-card p{margin:0;font-size:13px;line-height:1.5;color:var(--text-3)}
.chest-card .x{position:absolute;right:6px;top:6px;width:26px;height:26px;border:0;background:transparent;color:var(--muted);font-size:18px;cursor:pointer;border-radius:50%}
.chest-card .x:hover{color:var(--bone);background:rgba(255,255,255,.06)}
.chest-x{position:absolute;right:14px;top:10px;z-index:4}
@media (max-width:1100px){
  .chest-viewer{grid-template-columns:1fr}
  .chest-viewer>aside{order:2;max-height:none;border-top:1px solid var(--line);border-right:0}
  .chest-viewer .vstage{order:1;min-height:0;height:min(78vh,620px)}
  .cert-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px 24px}
}
#training.nogl .chest-viewer .vstage{height:120px;min-height:0}

/* ---------- cell: real molecule ---------- */
.hot-card .hc-btn{pointer-events:auto;align-self:flex-start;margin-top:4px;border:1px solid #ffd166;background:transparent;color:#ffd166;font:500 11px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;padding:7px 9px;border-radius:999px;cursor:pointer}
.hot-card .hc-btn:hover{background:#ffd166;color:var(--ink)}
.prot-x{position:absolute;right:14px;top:34px;z-index:5}
@media (max-width:1100px){.prot-x{top:76px}}
.chip-prot{border-color:rgba(255,209,102,.5)}

/* ---------- hover glow ---------- */
.glow{isolation:isolate}
.glow::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .35s;z-index:-1;
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,50%),rgb(var(--acc-rgb) / .13),transparent 62%)}
.glow:hover::before{opacity:1}
.case.glow{transition:transform .4s cubic-bezier(.2,.8,.2,1),box-shadow .4s}
.case.glow:hover{transform:translateY(-3px);box-shadow:0 22px 50px -30px rgb(var(--acc-rgb) / .45)}
.toggle.glow:hover,.btn.glow:hover{box-shadow:0 0 0 1px rgb(var(--acc-rgb) / .35),0 0 22px -4px rgb(var(--acc-rgb) / .45)}

/* ---------- accessibility floor ---------- */
.skip{position:absolute;left:12px;top:-80px;z-index:100;padding:10px 14px;border-radius:4px;background:var(--bone);color:var(--ink);font:500 14px/1 var(--f-body);text-decoration:none;transition:top .2s}
.skip:focus{top:12px}
@media (pointer:coarse){
  .marks .pmk::after,.hot::before{content:"";position:absolute;inset:-10px;border-radius:50%}
  .chest-card .x::after{content:"";position:absolute;inset:-9px}
  .chip{min-height:44px}
}
/* nothing animates in a hidden tab */
body.paused *,body.paused *::before,body.paused *::after{animation-play-state:paused!important}

/* ---------- plate III: a reading room, two monitors and an instrument strip ---------- */
.scan-desk{display:flex;flex-direction:column;gap:18px}
.monitors{display:grid;grid-template-columns:minmax(0,500px) 150px minmax(0,500px);justify-content:center;align-items:center}
.monitor{margin:0;position:relative;background:var(--stage-deep);border:1px solid var(--line-2);border-radius:10px;overflow:hidden;
  box-shadow:0 0 0 6px rgb(var(--ov-rgb) / .55),0 40px 80px -50px rgb(0 0 0 / .9)}
.monitor canvas{display:block;width:100%;height:auto;aspect-ratio:1}
.monitor figcaption{position:absolute;left:0;right:0;top:0;padding:10px 12px 22px;display:flex;justify-content:space-between;gap:8px;pointer-events:none;
  background:linear-gradient(180deg,rgb(var(--ov-rgb) / .8),rgb(var(--ov-rgb) / 0))}
.monitor figcaption .mono{color:var(--muted)}
.m-bridge{display:flex;flex-direction:column;align-items:center;gap:10px;padding:0 12px;text-align:center}
.m-bridge .mono:last-child{font-size:10px;letter-spacing:.06em;text-transform:none;color:var(--faint);line-height:1.4}
.m-bridge i{position:relative;display:block;width:100%;height:1px;background:linear-gradient(90deg,transparent,var(--accent))}
.m-bridge i::after{content:"";position:absolute;right:-1px;top:-4px;border:4.5px solid transparent;border-left:7px solid var(--accent)}
.instrument{display:grid;grid-template-columns:auto minmax(220px,1.3fr) auto minmax(220px,1fr) auto;border:1px solid var(--line);border-radius:8px;background:var(--ink-2)}
.i-cell{padding:14px 18px;display:flex;flex-direction:column;justify-content:center;gap:8px;min-width:0;border-left:1px solid var(--line)}
.i-cell:first-child{border-left:0}
.i-stats{gap:5px}
.instrument .seg button{white-space:nowrap;padding:8px 10px}
/* each note sits under its own monitor, on the same columns */
.scan-notes{display:grid;grid-template-columns:minmax(0,500px) 150px minmax(0,500px);justify-content:center;gap:12px 0;margin-top:4px}
.scan-notes .note{padding-inline:2px}
.scan-notes .note:last-child{grid-column:3}
@media (max-width:1000px){
  .monitors{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.m-bridge{display:none}
  /* transform and slider run full width; image quality and lesion pair up */
  .instrument{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-flow:row dense}.i-cell{border-left:0;border-top:1px solid var(--line)}
  .i-cell:first-child{border-top:0}.i-cell:first-child,.i-grow,.i-stats{grid-column:1 / -1}.i-cell:last-child{border-left:1px solid var(--line)}
  .scan-notes{grid-template-columns:1fr;justify-content:stretch}.scan-notes .note:last-child{grid-column:auto}
}
@media (max-width:520px){.monitor figcaption{padding:8px 10px 18px}.monitor figcaption .mono+.mono{display:none}}

/* ---------- training: the model leads, the list follows (unlike the path beside it) ---------- */
@media (min-width:1101px){
  .chest-viewer{grid-template-columns:minmax(0,1fr) 330px}
  .chest-viewer>.vstage{order:1}
  .chest-viewer>aside,.chest-viewer>aside:first-of-type{order:2;border-right:0;border-left:1px solid var(--line)!important}
}

/* brain: the specimen is labelled like the other plates; the tract key takes its place while the lobes are apart */
.stage-tag{position:absolute;z-index:2;left:var(--pcx,50%);top:max(14px,calc(var(--pcy,48%) - var(--ph,300px) / 2 - 22px));transform:translate(-50%,7px);
  margin:0;font-size:10px;letter-spacing:.14em;color:var(--faint);white-space:nowrap;pointer-events:none;transition:opacity .5s ease}
.tracts-on .stage-tag,.no-webgl .stage-tag{opacity:0}

/* brain: legend for the white-matter tracts, shown while the lobes are apart */
/* figure key for the white-matter tracts: floats over the stage, above the brain, so the console never changes height */
.tract-key{position:absolute;z-index:2;left:var(--pcx,50%);top:max(14px,calc(var(--pcy,48%) - var(--ph,300px) / 2 - 22px));transform:translate(-50%,6px);
  display:flex;align-items:center;gap:6px 14px;margin:0;padding:7px 12px;white-space:nowrap;font-size:10px;letter-spacing:.08em;
  background:rgb(var(--ink-rgb) / .62);border:1px solid var(--line);border-radius:999px;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  opacity:0;pointer-events:none;transition:opacity .5s ease,transform .5s ease}
.tract-key span{display:inline-flex;align-items:center;gap:6px}
.tract-key span:first-child{color:var(--bone)}
.tract-key i{width:7px;height:7px;border-radius:50%;background:var(--k);box-shadow:0 0 8px var(--k)}
.tracts-on .tract-key{opacity:1;transform:translate(-50%,0)}
.no-webgl .tract-key{display:none}
@media (max-width:1100px){.tract-key{top:auto;bottom:14px}}
@media (max-width:460px){.tract-key{flex-wrap:wrap;justify-content:center;white-space:normal;width:max-content;max-width:calc(100% - 28px);gap:5px 12px;padding:7px 12px;border-radius:12px;font-size:9px;letter-spacing:.06em}.tract-key span:first-child{flex-basis:100%;justify-content:center}}