:root{
  --bg:#F3F7F5; --surface:#FFFFFF; --surface-2:#E9F4EF; --tissue:#EEF6F2; --dot:#CFE0D9;
  --ink:#10302A; --ink-2:#48635D; --ink-3:#7A908A; --line:#DAE6E1;
  --teal:#0E5E55; --emerald:#12A07A; --turq:#1FD1A6; --accent-soft:#D3F1E5;
  --primary:#0E5E55; --on-primary:#FFFFFF;
  --coral:#D2574A; --coral-soft:#F7DFDA;
  --serif:"Newsreader", Georgia, "Times New Roman", serif;
  --sans:"IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono:"IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0B1513; --surface:#10201C; --surface-2:#153029; --tissue:#0E1F1B; --dot:#1E352F;
    --ink:#E3F1EC; --ink-2:#A2BDB5; --ink-3:#6E8A83; --line:#21382F;
    --teal:#3FC7A6; --emerald:#2BC394; --turq:#5FE6C2; --accent-soft:#163D33;
    --primary:#22B28D; --on-primary:#04201A;
    --coral:#F07E70; --coral-soft:#3A1E1B;
    color-scheme: dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0B1513; --surface:#10201C; --surface-2:#153029; --tissue:#0E1F1B; --dot:#1E352F;
  --ink:#E3F1EC; --ink-2:#A2BDB5; --ink-3:#6E8A83; --line:#21382F;
  --teal:#3FC7A6; --emerald:#2BC394; --turq:#5FE6C2; --accent-soft:#163D33;
  --primary:#22B28D; --on-primary:#04201A;
  --coral:#F07E70; --coral-soft:#3A1E1B;
  color-scheme: dark;
}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--bg)}
img{max-width:100%}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--emerald);outline-offset:2px}
.wrap{max-width:1240px;margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--ink-3);text-transform:uppercase}

/* header */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar{display:flex;align-items:center;gap:24px;height:76px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-family:var(--serif);font-size:26px;letter-spacing:-.01em}
.brand small{font-family:var(--mono);font-size:12px;color:var(--emerald);letter-spacing:.04em;margin-left:2px}
.logo-chip{width:40px;height:40px;border-radius:50%;background:#fff;display:grid;place-items:center;overflow:hidden;box-shadow:0 0 0 1px var(--line)}
.logo-chip img{width:100%;height:100%;object-fit:cover}
nav.main{display:flex;gap:6px;margin-left:auto}
nav.main a{padding:9px 16px;border-radius:6px;text-decoration:none;color:var(--ink-2);font-size:14px}
nav.main a:hover{color:var(--ink);background:var(--surface-2)}
nav.main a[aria-current="page"]{background:var(--accent-soft);color:var(--teal)}
.updates{position:relative;margin-left:8px}
.x-link{display:inline-grid;place-items:center;width:40px;height:40px;margin-left:16px;border:1px solid var(--line);background:var(--surface);border-radius:6px;color:var(--ink);text-decoration:none}
.x-link:hover{border-color:var(--ink-3)}
.x-foot{display:inline-flex;align-items:center;gap:8px;color:var(--ink);text-decoration:none;font-size:14px;border-bottom:1px solid var(--line);padding-bottom:2px}
.x-foot:hover{border-bottom-color:var(--emerald)}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border:1px solid var(--line);background:var(--surface);border-radius:6px;cursor:pointer;font-family:var(--mono);font-size:13px;font-weight:500}
.btn-ghost:hover{border-color:var(--ink-3)}
.updates-panel{position:absolute;right:0;top:calc(100% + 10px);width:340px;background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:0 18px 40px -18px rgba(5,40,33,.35);padding:22px 22px 8px;display:none}
.updates-panel.open{display:block}
.updates-panel h3{font-family:var(--serif);font-weight:400;font-size:22px;margin:0 0 14px;display:flex;justify-content:space-between;align-items:baseline}
.upd{padding:14px 0;border-top:1px solid var(--line)}
.upd .tag{font-family:var(--mono);font-size:11px;color:var(--emerald)}
.upd b{display:block;font-weight:500;margin:4px 0 2px}
.upd p{margin:0;color:var(--ink-2);font-size:14px}
.icon-btn.menu-toggle{display:none}

/* hero */
.hero{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:end;padding:64px 0 44px}
.crumb{display:flex;align-items:center;gap:8px;margin-bottom:18px}
.crumb::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--emerald)}
h1.display{font-family:var(--serif);font-weight:400;font-size:clamp(46px,7vw,92px);line-height:.98;letter-spacing:-.025em;margin:0}
h1.display em{display:block;color:var(--teal);font-style:italic}
.hero p{color:var(--ink-2);font-size:17px;max-width:42ch;margin:0 0 18px}
.link-arrow{color:var(--ink);text-decoration:none;font-weight:500;border-bottom:1px solid var(--line);padding-bottom:2px;cursor:pointer;background:none;border-top:0;border-left:0;border-right:0}
.link-arrow:hover{border-bottom-color:var(--emerald)}

/* lab */
.lab{display:grid;grid-template-columns:300px minmax(0,1fr) 290px;border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow:hidden}
.panel{padding:24px}
.panel + .panel{border-left:1px solid var(--line)}
.panel h2{font-family:var(--serif);font-weight:400;font-size:28px;margin:8px 0 18px;letter-spacing:-.01em}
.choices{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.choice{display:flex;align-items:center;gap:12px;width:100%;padding:12px 12px;border:0;border-radius:6px;background:transparent;cursor:pointer;text-align:left;font-size:15px}
.choice:hover{background:var(--surface-2)}
.choice .n{font-family:var(--mono);font-size:12px;color:var(--ink-3);width:18px}
.choice[aria-pressed="true"]{background:var(--accent-soft);color:var(--teal);font-weight:500}
.choice[aria-pressed="true"] .n{color:var(--teal)}
.field-label{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--ink-3);text-transform:uppercase;display:block;margin:0 0 8px}
select.sel{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:6px;background:var(--bg);margin-bottom:18px;cursor:pointer}
.copy-block{margin-bottom:18px}
.copy-block p{margin:0;color:var(--ink-2);font-size:15px}
.copy-block p.strong{color:var(--ink)}
.range-row{display:flex;justify-content:space-between;align-items:baseline;margin-top:20px}
.range-row span:last-child{font-family:var(--mono);font-size:14px}
input[type=range]{width:100%;margin:12px 0 4px;accent-color:var(--primary);cursor:pointer}
.range-ends{display:flex;justify-content:space-between}
.hr{height:1px;background:var(--line);margin:20px 0}

.tissue{display:flex;flex-direction:column;background:var(--tissue);min-height:560px}
.tissue-head{display:flex;justify-content:space-between;align-items:center;padding:16px 22px;border-bottom:1px solid var(--line)}
.tissue-head .mono{color:var(--emerald)}
.icon-btn{width:34px;height:34px;display:grid;place-items:center;border:0;background:transparent;border-radius:6px;cursor:pointer;color:var(--ink)}
.icon-btn:hover{background:var(--surface-2)}
.stage{position:relative;flex:1;min-height:440px;background-image:radial-gradient(var(--dot) 1.2px,transparent 1.4px);background-size:22px 22px}
.stage canvas{position:absolute;inset:0;width:100%;height:100%;cursor:grab;touch-action:none;outline:none}
.stage canvas.dragging{cursor:grabbing}
.stage canvas:focus-visible{box-shadow:inset 0 0 0 2px var(--emerald)}
.view-ctrl{position:absolute;right:14px;bottom:14px;display:flex;flex-direction:column;gap:4px;background:color-mix(in srgb,var(--surface) 88%,transparent);border:1px solid var(--line);border-radius:8px;padding:4px}
.view-ctrl button{width:32px;height:32px;display:grid;place-items:center;border:0;background:transparent;border-radius:5px;cursor:pointer;color:var(--ink);font-size:18px;line-height:1}
.view-ctrl button:hover{background:var(--surface-2)}
.drag-hint{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);font-family:var(--mono);font-size:12px;color:var(--ink-2);background:color-mix(in srgb,var(--surface) 88%,transparent);border:1px solid var(--line);padding:6px 12px;border-radius:999px;pointer-events:none;transition:opacity .5s;white-space:nowrap}
.drag-hint.gone{opacity:0}
.stage-note{position:absolute;left:20px;top:16px;font-family:var(--mono);font-size:12px;color:var(--ink-2);background:color-mix(in srgb,var(--tissue) 80%,transparent);padding:4px 8px;border-radius:4px}
.tissue-foot{display:flex;align-items:center;gap:18px;padding:14px 22px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-2);flex-wrap:wrap}
.key{display:inline-flex;align-items:center;gap:7px}
.key i{width:9px;height:9px;border-radius:50%;display:inline-block}
.tissue-foot .mono{margin-left:auto}

.metric{margin-bottom:20px}
.metric-top{display:flex;justify-content:space-between;align-items:center;color:var(--ink-2);font-size:14px}
.metric .big{font-family:var(--serif);font-size:58px;line-height:1.05;margin:6px 0 10px;font-variant-numeric:tabular-nums}
.bar{height:3px;background:var(--line);border-radius:2px;overflow:hidden;margin-bottom:10px}
.bar i{display:block;height:100%;width:0;transition:width .4s}
.inspector{border-top:1px solid var(--line);padding-top:18px}
.inspector h3{display:flex;align-items:center;gap:10px;font-weight:400;font-size:17px;margin:0 0 10px}
.insp-grid{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px}
.insp-grid dt{color:var(--ink-3)}
.insp-grid dd{margin:0;text-align:right;font-family:var(--mono);font-size:13px}
.empty{color:var(--ink-3);font-size:14px;margin:0}

/* agent */
.below{display:grid;grid-template-columns:1.7fr 1fr;gap:56px;padding:56px 0 40px}
.below h2,.sec h2{font-family:var(--serif);font-weight:400;font-size:40px;letter-spacing:-.015em;margin:8px 0 10px;line-height:1.08}
.below h2 em,.sec h2 em{color:var(--teal)}
.sub{color:var(--ink-2);margin:0 0 24px;max-width:62ch}
.agent-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 20px;border-radius:6px;border:0;background:var(--primary);color:var(--on-primary);font-weight:500;cursor:pointer;white-space:nowrap}
.btn:hover{filter:brightness(1.08)}
.btn:disabled{opacity:.55;cursor:default;filter:none}
.btn.secondary{background:var(--surface);color:var(--ink);border:1px solid var(--line)}
.doses{display:grid;grid-template-columns:repeat(8,1fr);gap:12px}
.dose{text-align:center}
.dose .lbl{font-family:var(--mono);font-size:12px;margin-bottom:8px;color:var(--ink-2)}
.dose .box{position:relative;height:96px;background:var(--surface-2);border-radius:3px;overflow:hidden}
.dose .box::after{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:var(--line)}
.dose .fill{position:absolute;left:0;right:0;transition:height .45s,top .45s}
.dose .val{font-family:var(--mono);font-size:12px;margin-top:8px;color:var(--ink-3)}
.dose.best .box{box-shadow:inset 0 0 0 2px var(--emerald)}
.dose.best .val{color:var(--teal);font-weight:500}
.agent-status{font-family:var(--mono);font-size:15px;color:var(--teal);margin:22px 0 0;min-height:24px}
.runs{margin-top:34px}
.runs table{width:100%;border-collapse:collapse;font-size:14px}
.runs th{text-align:left;font-weight:400;color:var(--ink-3);font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;padding:0 8px 8px 0;border-bottom:1px solid var(--line)}
.runs td{padding:10px 8px 10px 0;border-bottom:1px solid var(--line)}
.runs td.num{font-family:var(--mono);text-align:right}
.runs th.num{text-align:right}
.side-card{border-left:1px solid var(--line);padding-left:48px}
.side-card h2 em{display:block;font-style:italic}

.disclaimer{display:flex;gap:28px;padding:22px 0;border-top:1px solid var(--line);color:var(--ink-2);font-size:14px;align-items:baseline}
.disclaimer .mono{flex:none}
footer.foot{border-top:1px solid var(--line);margin-top:8px}
.foot-row{display:flex;align-items:center;gap:20px;padding:24px 0 36px;flex-wrap:wrap}
.foot-row .brandname{font-family:var(--serif);font-size:20px}
.ca{display:flex;align-items:center;gap:10px;margin:0 auto;font-family:var(--mono);font-size:12px;color:var(--ink-2)}
.ca code{background:var(--surface);border:1px solid var(--line);padding:5px 9px;border-radius:5px;font-family:var(--mono)}

/* views */
.view{display:none}
.view.active{display:block}

/* organoids page */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:30px 32px;display:flex;flex-direction:column}
.card-top{display:flex;justify-content:space-between;align-items:flex-start}
.card canvas{width:96px;height:96px}
.card h3{font-family:var(--serif);font-weight:400;font-size:32px;margin:14px 0 6px}
.card p{color:var(--ink-2);margin:0 0 18px}
.card .approach{border-top:1px solid var(--line);padding-top:16px;margin-top:auto}
.card .approach p{color:var(--ink);margin:6px 0 20px}
.card-foot{display:flex;justify-content:space-between;align-items:center}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.chip{font-family:var(--mono);font-size:12px;padding:4px 9px;border-radius:999px;background:var(--surface-2);color:var(--ink-2)}
.chip-btn{font-family:var(--mono);font-size:13px;padding:9px 14px;border:1px solid var(--line);background:var(--surface);border-radius:6px;cursor:pointer;font-weight:500}
.chip-btn:hover{border-color:var(--emerald)}
.note{color:var(--ink-2);font-size:14px;margin:26px 0 0}
.sec{padding:56px 0 20px}

/* engineer page */
.eng{display:grid;grid-template-columns:1fr 1fr;gap:56px;border-top:1px solid var(--line);padding-top:30px;margin-top:20px}
textarea.ta{width:100%;min-height:118px;padding:14px 16px;border:1px solid var(--line);border-radius:8px;background:var(--surface);resize:vertical;font-size:16px;line-height:1.5;margin-bottom:22px}
.ta::placeholder{color:var(--ink-3)}
.eng-actions{display:flex;justify-content:space-between;align-items:center;gap:14px}
.note-head{font-family:var(--mono);font-size:13px;color:var(--teal);letter-spacing:.04em;text-transform:uppercase}
.note-title{font-family:var(--serif);font-weight:400;font-size:34px;letter-spacing:-.01em;margin:12px 0 12px;line-height:1.12}
.note-body{color:var(--ink-2)}
.twocol{display:grid;grid-template-columns:1fr 1fr;gap:28px;border-top:1px solid var(--line);margin-top:22px;padding-top:20px}
.twocol h4{margin:0 0 6px;font-family:var(--mono);font-weight:500;font-size:12px;letter-spacing:.06em;text-transform:uppercase}
.twocol p{margin:0;color:var(--ink-2);font-size:15px}
.params{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin:22px 0}
.param{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:10px 12px}
.param span{display:block;font-family:var(--mono);font-size:11px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.05em}
.param b{font-weight:500}
.uncert{margin:16px 0 0;padding-left:18px;color:var(--ink-2);font-size:15px}
.thinking{display:inline-flex;gap:5px;align-items:center}
.thinking i{width:7px;height:7px;border-radius:50%;background:var(--emerald);animation:pulse 1.2s infinite ease-in-out}
.thinking i:nth-child(2){animation-delay:.15s;background:var(--teal)}
.thinking i:nth-child(3){animation-delay:.3s;background:var(--turq)}
@keyframes pulse{0%,100%{transform:scale(.6);opacity:.5}50%{transform:scale(1);opacity:1}}
.err{color:var(--coral);font-size:14px;margin:12px 0 0}
.library{margin-top:42px}
.lib-item{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:14px 0;border-top:1px solid var(--line)}
.lib-item b{font-weight:500}
.lib-item span{color:var(--ink-3);font-size:13px;font-family:var(--mono)}

/* token page */
.token-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.flywheel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px}
.flywheel svg{width:100%;height:auto;display:block}
.uses{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.use{border-top:2px solid var(--emerald);padding-top:16px}
.use:nth-child(2){border-color:var(--teal)}
.use:nth-child(3){border-color:var(--turq)}
.use h3{font-family:var(--serif);font-weight:400;font-size:24px;margin:0 0 6px}
.use p{color:var(--ink-2);margin:0;font-size:15px}
.roadmap{margin-top:48px}
.rm{display:grid;grid-template-columns:110px 1fr auto;gap:20px;padding:18px 0;border-top:1px solid var(--line);align-items:baseline}
.rm h4{margin:0;font-weight:500}
.rm p{margin:4px 0 0;color:var(--ink-2);font-size:15px}
.status{font-family:var(--mono);font-size:12px;padding:3px 9px;border-radius:999px;white-space:nowrap}
.status.live{background:var(--accent-soft);color:var(--teal)}
.status.next{background:var(--surface-2);color:var(--ink-3)}
.callout{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--coral);padding:18px 20px;border-radius:8px;color:var(--ink-2);font-size:15px;margin-top:36px}

@media (max-width:1080px){
  .lab{grid-template-columns:1fr 1fr}
  .tissue{grid-column:1 / -1;order:-1}
  .panel + .panel{border-left:0}
  .lab .panel.right{border-left:1px solid var(--line)}
  .below{grid-template-columns:1fr}
  .side-card{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:36px}
}
@media (max-width:820px){
  .wrap{padding:0 18px}
  .hero{grid-template-columns:1fr;padding:40px 0 28px;gap:22px}
  nav.main{position:absolute;left:0;right:0;top:76px;flex-direction:column;background:var(--bg);border-bottom:1px solid var(--line);padding:10px 18px 16px;display:none}
  nav.main.open{display:flex}
  .icon-btn.menu-toggle{display:grid;margin-left:auto}
  .topbar{gap:10px}
  .brand small{display:none}
  .brand{font-size:23px}
  .updates{margin-left:0}
  .updates .btn-ghost span.lbl{display:none}
  .updates-panel{width:min(340px,calc(100vw - 36px))}
  .lab{grid-template-columns:1fr}
  .lab .panel.right{border-left:0;border-top:1px solid var(--line)}
  .lab .panel.left{border-top:1px solid var(--line)}
  .tissue{min-height:440px}
  .stage{min-height:340px}
  .doses{grid-template-columns:repeat(4,1fr)}
  .cards,.eng,.token-grid,.uses,.twocol{grid-template-columns:1fr}
  .eng{gap:36px}
  .rm{grid-template-columns:1fr;gap:6px}
  .disclaimer{flex-direction:column;gap:6px}
  .ca{margin:0}
  .below h2,.sec h2{font-size:32px}
}
@media (prefers-reduced-motion: reduce){
  .thinking i{animation:none}
  .bar i,.dose .fill{transition:none}
}