/* Protearc public site. Quiet and exact: warm stone paper, one deep teal, a serif for headlines,
   generous space, few boxes, slow gentle motion. */
:root{
  --paper:#f7f5f0;--card:#fffdf9;--stone:#efebe3;--ink:#1b2427;--ink-2:#465055;--muted:#596165;--rule:#e2ddd3;
  --accent:#1f5f66;--accent-ink:#164a50;--accent-soft:#e1ebe9;--amber:#8a6210;--amber-soft:#f3ecdc;
  --fig:#ebe7df;--fig-line:#b4b9b2;
  --h-teal:#2b8c99;--h-amber:#c9953f;--h-rose:#c76f7e;--h-violet:#8778bd;--h-blue:#4f82bd;
  --shadow:0 24px 60px -36px rgba(27,36,39,.35);
  --serif:"Newsreader",Georgia,serif;--sans:"Public Sans",system-ui,sans-serif;--mono:"IBM Plex Mono",monospace;
  color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#111618;--card:#171e20;--stone:#1a2224;--ink:#eceeeb;--ink-2:#c3c9c7;--muted:#99a19f;--rule:#273033;
  --accent:#79bcc4;--accent-ink:#a2d4da;--accent-soft:#1a3034;--amber:#dfb563;--amber-soft:#2a2414;
  --fig:#1c2527;--fig-line:#4a5a5c;
  --shadow:0 24px 60px -36px rgba(0,0,0,.8);color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#111618;--card:#171e20;--stone:#1a2224;--ink:#eceeeb;--ink-2:#c3c9c7;--muted:#99a19f;--rule:#273033;
  --accent:#79bcc4;--accent-ink:#a2d4da;--accent-soft:#1a3034;--amber:#dfb563;--amber-soft:#2a2414;
  --fig:#1c2527;--fig-line:#4a5a5c;
  --shadow:0 24px 60px -36px rgba(0,0,0,.8);color-scheme:dark}
*{box-sizing:border-box}
/* the canvas takes the theme too, so the moment between two pages is painted in the chosen colours */
html{scroll-behavior:smooth;scroll-padding-top:90px;background:var(--paper)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-underline-offset:3px}
h1,h2,h3{font-family:var(--serif);margin:0;font-weight:500;letter-spacing:-.012em;font-optical-sizing:auto}
.wrap{max-width:1160px;margin:0 auto;padding:0 32px}
.mono{font-family:var(--mono);font-size:.86em;color:var(--muted);letter-spacing:0}
.eyebrow{font-size:12.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* synthetic-data notice: always there, never loud */
.skip{position:absolute;left:-9999px;min-height:44px;display:inline-flex;align-items:center}.skip:focus{left:16px;top:8px;z-index:50;background:var(--card);padding:8px 12px}
.synth{background:var(--stone);color:var(--muted);font-size:12.5px;text-align:center;padding:6px 16px;letter-spacing:.01em;
  border-bottom:1px solid var(--rule)}

/* one header row */
.bar{background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:saturate(1.2) blur(10px);
  -webkit-backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--rule);position:sticky;top:0;z-index:20}
.bar .row1{display:flex;align-items:center;gap:28px;min-height:72px}
.hdrsearch{flex:1 1 auto;max-width:440px;min-width:200px;margin:0}
.hdrsearch .in{position:relative}
.hdrsearch input{width:100%;height:44px;box-sizing:border-box;border:1px solid var(--rule);border-radius:999px;background:var(--card);
  padding:0 16px 0 44px;font:400 15.5px var(--sans);color:var(--ink)}
.hdrsearch input::placeholder{color:var(--muted)}
.hdrsearch input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.hdrsearch svg{position:absolute;left:16px;top:12px;width:20px;height:20px;color:var(--muted);pointer-events:none}
.search-ic{display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--rule);background:transparent;color:var(--ink-2);
  cursor:pointer;align-items:center;justify-content:center}
.search-ic svg{width:19px;height:19px}
.bar .row2{border-top:1px solid var(--rule)}
.bar .row2 .wrap{display:block}
.brand{min-height:44px;display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand svg{width:22px;height:22px;fill:var(--accent)}
.brand b{font-family:var(--serif);font-weight:500;font-size:25px;letter-spacing:.005em}
.primary{display:flex;align-items:center;gap:30px;flex:1;font-size:15.5px;min-height:48px}
.primary>a,.primary .dd>button,.bar-r .dd>button{color:var(--ink-2);text-decoration:none;font:inherit;font-size:15.5px;background:none;border:0;
  cursor:pointer;padding:6px 0;position:relative;white-space:nowrap}
.primary>a:hover,.primary .dd>button:hover{color:var(--ink)}
.primary .dd>button[aria-current="true"]{color:var(--ink)}
.primary .dd>button[aria-current="true"]::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:1.5px;background:var(--accent)}
.primary .dd>button:hover,.primary .dd.open>button{color:var(--ink)}
.caret{display:inline-block;width:6px;height:6px;border-right:1.4px solid currentColor;border-bottom:1.4px solid currentColor;
  transform:translateY(-3px) rotate(45deg);margin-left:8px;transition:transform .25s}
[aria-expanded="true"] .caret{transform:translateY(1px) rotate(225deg)}
.bar-r{display:flex;align-items:center;gap:12px;margin-left:auto}
.bar-r .dd>button.portals{border:1px solid var(--rule);border-radius:999px;padding:8px 16px;color:var(--ink);background:var(--card)}
.bar-r .dd>button.portals:hover{border-color:var(--accent)}
.btn{display:inline-flex;align-items:center;gap:8px;min-height:46px;padding:0 24px;border-radius:999px;font-weight:500;
  font-size:15.5px;text-decoration:none;border:1px solid transparent;white-space:nowrap;cursor:pointer;font-family:inherit;
  transition:background .25s,border-color .25s,color .25s}
.btn.primary-b{background:var(--accent);color:var(--card)}
.btn.primary-b:hover{background:var(--accent-ink)}
.btn.ghost{border-color:var(--rule);color:var(--ink);background:transparent}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn[aria-disabled="true"]{opacity:.55;cursor:default}
.theme,.burger{width:44px;height:44px;border-radius:999px;border:1px solid var(--rule);background:transparent;color:var(--ink-2);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center}
.theme svg,.burger svg{width:17px;height:17px}
.burger{display:none}

/* dropdowns */
.dd{position:relative}
.menu{position:absolute;top:calc(100% + 14px);left:-18px;min-width:270px;background:var(--card);border:1px solid var(--rule);
  border-radius:14px;box-shadow:var(--shadow);padding:10px;display:none;z-index:30}
.dd.open>.menu,.menu.open{display:block}
html:not(.js) .dd:hover>.menu,html:not(.js) .dd:focus-within>.menu{display:block}
.menu:before{content:"";position:absolute;top:-16px;left:0;right:0;height:16px}
.bar-r .menu{left:auto;right:0}
.menu a{display:block;padding:10px 12px;border-radius:9px;color:var(--ink);text-decoration:none;font-size:15.5px}
.menu a:hover{background:var(--stone)}
.menu a small{display:block;margin-top:2px;color:var(--muted);font-size:13.5px;line-height:1.4}
.menu .h{font-size:11.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:10px 12px 4px}
.menu .sep{height:1px;background:var(--rule);margin:8px 6px}
.menu.mega{width:min(620px,90vw);display:none;grid-template-columns:1fr 1fr;gap:4px}
.menu.mega.open{display:grid}
.menu .dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:10px;vertical-align:1px}
.st{font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--muted);border:1px solid var(--rule);
  border-radius:99px;padding:1px 8px;margin-left:8px;vertical-align:2px;white-space:nowrap}

/* breadcrumb: always say where you are and the way back */
.crumbs{font-size:14px;border-bottom:1px solid var(--rule)}
.crumbs ol{list-style:none;margin:0;padding:12px 0;display:flex;flex-wrap:wrap;gap:8px;color:var(--muted)}
.crumbs li+li::before{content:"›";margin-right:8px;color:var(--fig-line)}
.crumbs a{color:var(--accent);text-decoration:none}
.crumbs [aria-current]{color:var(--ink)}

/* mobile menu */
.mnav{display:none;background:var(--card);border-top:1px solid var(--rule);padding:8px 16px 18px;max-height:calc(100vh - 80px);overflow-y:auto}
.mnav.open{display:block}
.mnav a{display:block;padding:11px 4px;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--rule)}
.mnav a[aria-current="page"]{color:var(--accent);font-weight:600}
.mnav .mn-cta{margin-top:14px;border:0;border-radius:999px;background:var(--accent);color:var(--card);text-align:center;font-weight:500}
.mnav .h{font-size:11.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:16px 4px 2px}

/* page rhythm */
section{padding:64px 0}
.stone{background:var(--stone)}
.quiet{padding:72px 0;border-bottom:1px solid var(--rule)}
.head{max-width:720px;margin-bottom:48px}
.head h2,.split h2,.closing h2{font-size:44px;line-height:1.12;margin:14px 0 14px}
.head p,.split p{font-size:18.5px;color:var(--ink-2);margin:0}

/* hero */
.hero{padding:88px 0 64px}
.hero .wrap{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:56px;align-items:center}
.hero h1{font-size:clamp(40px,4.3vw,60px);line-height:1.04;font-weight:500;margin:20px 0 26px;letter-spacing:-.02em}
.nw{display:block;white-space:nowrap}
.hero p.lede{font-size:19.5px;color:var(--ink-2);margin:0 0 36px;max-width:560px}
.ctas{display:flex;gap:12px;flex-wrap:wrap}
.tm{font-size:.5em;vertical-align:.9em;letter-spacing:.04em;margin-left:1px}
/* hero: an example report card, the product itself */
.rcard{margin:0 0 0 auto;max-width:460px;background:var(--card);border:1px solid var(--rule);border-radius:16px;
  box-shadow:0 1px 2px rgba(27,36,39,.04),0 24px 48px -24px rgba(27,36,39,.22);padding:24px 26px 18px}
.rc-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--rule)}
.rc-k{font-family:var(--serif);font-size:24px;line-height:1.1}
.rc-t{font-size:13px;color:var(--muted);margin-top:4px}
.rc-syn{font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);
  border:1px solid var(--rule);border-radius:99px;padding:3px 9px;white-space:nowrap}
.rc-tbl{padding:6px 0}
.rc-tbl>div{display:grid;grid-template-columns:1fr 80px 104px;align-items:center;gap:10px;padding:9px 0;font-size:14.5px;border-bottom:1px solid var(--rule)}
.rc-tbl>div:last-child{border-bottom:0}
.rc-tbl .rc-hd{font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);padding:6px 0 8px}
.rc-hd span:not(:first-child){text-align:center}
.rc-tbl b{font-weight:500;font-size:12.5px;border-radius:99px;padding:3px 10px;white-space:nowrap;text-align:center}
.rc-tbl b.ok{color:var(--accent-ink);background:var(--accent-soft)}
.rc-tbl b.up{color:var(--amber);background:var(--amber-soft)}

.rc-chart{background:var(--paper);border-radius:10px;padding:12px 14px 4px;margin-top:4px}
.rc-ch{font-size:12.5px;color:var(--ink-2);margin-bottom:2px}
.rc-chart svg{display:block;width:100%;height:auto}
.rc-band{fill:var(--accent-soft)}.rc-edge{stroke:var(--accent);stroke-opacity:.35;stroke-dasharray:3 4}
.rc-bl,.rc-yr{font-family:var(--sans);font-size:10.5px;fill:var(--muted)}
.rc-line{fill:none;stroke:var(--ink-2);stroke-width:1.6}
.rc-pt{fill:var(--card);stroke:var(--ink-2);stroke-width:1.6}
.rc-hot{fill:var(--amber);stroke:var(--card);stroke-width:2.5}
.rc-foot{font-size:12px;color:var(--muted);margin-top:12px}

/* three short statements */
.pillars{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:56px}
.pillars h3{font-size:26px;margin-bottom:8px}
.pillars p{margin:0;color:var(--ink-2);font-size:16.5px}

/* how it works: numbered steps on a hairline, no boxes */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:48px}
.steps li{border-top:1px solid var(--ink);padding-top:22px}
.steps .n{font-family:var(--serif);font-size:20px;color:var(--accent)}
.steps h3{font-size:26px;margin:6px 0 10px}
.steps p{margin:0;color:var(--ink-2);font-size:16.5px}

/* the model: three ideas, then the evidence, plainly labelled synthetic */
.proof{margin-top:56px;padding-top:36px;border-top:1px solid var(--rule)}
.proof-h{font-size:15px;color:var(--ink-2);margin-bottom:20px}
.tag{display:inline-block;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  background:var(--amber-soft);color:var(--amber);border-radius:99px;padding:2px 9px;margin-left:6px;vertical-align:2px}
.figs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px;margin:0}
.figs dt{font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.figs dt .tag{display:none}
.figs dd{margin:8px 0 8px;font-family:var(--serif);font-size:44px;line-height:1.15;color:var(--ink)}
.figs dd s{color:var(--muted);text-decoration-thickness:1.5px}
.figs dd em{font-style:normal;color:var(--accent)}
.figs dd small{font-family:var(--sans);font-size:16px;color:var(--ink-2)}
.figs p{margin:0;color:var(--muted);font-size:15px;max-width:440px}

/* the Portal */
.split{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:64px;align-items:center}
.split p{margin-bottom:28px}
.shot{border-radius:14px;border:1px solid var(--rule);box-shadow:var(--shadow);overflow:hidden;background:var(--card);margin:0}
.shot img{display:block;width:100%;height:auto}
.shot figcaption{font-size:13px;color:var(--muted);padding:9px 14px;border-top:1px solid var(--rule)}

/* laboratory facts in one quiet row */
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin:0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.facts>div{padding:26px 28px 26px 0}
.facts>div+div{padding-left:28px;border-left:1px solid var(--rule)}
.facts dt{font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.facts dd{margin:6px 0 0;font-size:18px;color:var(--ink)}
.facts dd a{display:inline-block;margin-top:4px;font-size:15.5px}

/* closing invitation */
.closing{text-align:center}
.closing .wrap{max-width:820px}
.closing h2{font-size:40px}
.closing p{color:var(--ink-2);font-size:18.5px;margin:0 0 32px}
.closing .ctas{justify-content:center}

/* cards (pay page, patient steps) */
.three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;align-items:start}
.card{background:var(--card);border:1px solid var(--rule);border-radius:16px;padding:32px}
.card h3{font-size:26px;margin:0 0 10px}
.card p{margin:0 0 10px;color:var(--ink-2)}
.card p.small{font-size:15px;color:var(--muted);margin:0}
.faq{max-width:780px;border-top:1px solid var(--rule)}
.faq details{border-bottom:1px solid var(--rule);padding:20px 0}
.faq summary{cursor:pointer;font-family:var(--serif);font-size:22px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--sans);color:var(--accent);font-size:22px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--ink-2);margin:10px 0 0;max-width:680px}

/* panel explorer: list, see-through figure, detail */
.explorer{display:grid;grid-template-columns:230px minmax(0,300px) minmax(0,1fr);gap:40px;align-items:center}
.plist{display:flex;flex-direction:column;gap:2px}
.plist button{display:flex;align-items:center;gap:12px;text-align:left;width:100%;padding:13px 16px;border-radius:12px;
  border:1px solid transparent;background:none;color:var(--ink-2);font:inherit;font-size:17px;cursor:pointer;transition:background .3s,border-color .3s}
.plist button:hover{background:var(--card)}
.plist button[aria-selected="true"]{background:var(--card);border-color:var(--rule);color:var(--ink)}
.plist .dot{width:9px;height:9px;border-radius:50%;flex:none;opacity:.5;transition:opacity .3s}
.plist [aria-selected="true"] .dot{opacity:1}
.plist .st{margin-left:auto}
.st.on{color:var(--accent-ink);background:var(--accent-soft);border-color:transparent}
.dot.teal{background:var(--h-teal)}.dot.amber{background:var(--h-amber)}.dot.rose{background:var(--h-rose)}.dot.violet{background:var(--h-violet)}.dot.blue{background:var(--h-blue)}
.figure{position:relative}
.figure svg{display:block;width:auto;height:540px;max-width:100%;margin:0 auto}
.body-shape{fill:var(--fig);stroke:var(--fig-line);stroke-width:6}
.ctx path,.ctx ellipse{fill:none;stroke:var(--fig-line);stroke-width:3.5;opacity:.55}
.organ{cursor:pointer}
.organ path{fill:var(--fig);fill-opacity:.5;stroke:var(--fig-line);stroke-width:4.5;transition:fill .45s,stroke .45s,fill-opacity .45s}
.organ path.line{fill:none;stroke-width:3;opacity:.8}
.organ path.stub{fill:none;stroke-width:16;stroke-linecap:round;opacity:.9}
.vessels path{fill:none;stroke:var(--fig-line);stroke-width:5;opacity:.4;transition:stroke .45s,opacity .45s}
.wash{opacity:0;transition:opacity .5s}
.speck{opacity:0;transition:opacity .5s}
.glow{filter:url(#glow)}
[data-sel="brain"] .o-brain path{fill:var(--h-teal);fill-opacity:1;stroke:var(--h-teal)}
[data-sel="heart"] .o-heart path{fill:var(--h-rose);fill-opacity:1;stroke:var(--h-rose)}
[data-sel="kidney"] .o-kidney path{fill:var(--h-violet);fill-opacity:1;stroke:var(--h-violet)}
[data-sel] .organ path.line,[data-sel] .organ path.stub{fill:none}
[data-sel="brain"] .o-brain path.line,[data-sel="heart"] .o-heart path.line{stroke:var(--card);opacity:.7}
[data-sel="inflammation"] .vessels path{stroke:var(--h-amber);opacity:.95}
[data-sel="inflammation"] .wash.amber{opacity:.18}
[data-sel="cancer"] .wash.blue{opacity:.14}
[data-sel="cancer"] .speck{opacity:.7}
.wash.amber{fill:var(--h-amber)}.wash.blue{fill:var(--h-blue)}.speck circle{fill:var(--h-blue)}
.pdetail{background:var(--card);border:1px solid var(--rule);border-radius:16px;padding:34px;min-height:340px}
.pdetail[hidden]{display:none}
.pdetail h3{font-size:32px;margin:8px 0 4px}
.pdetail .size{color:var(--muted);font-size:15px;margin-bottom:16px}
.pdetail p{color:var(--ink-2);margin:0 0 18px;font-size:16.5px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px;padding:0;list-style:none}
.chips li{border:1px solid var(--rule);color:var(--ink-2);border-radius:99px;padding:3px 12px;font-size:13.5px}
.avail{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--rule);padding-top:16px;font-size:15px;color:var(--ink-2)}
.avail b{color:var(--ink);font-weight:600}
.first{font-size:11.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}

/* portals hub */
.hub h2{font-size:34px;margin-bottom:6px}
.hub .lead{color:var(--ink-2);margin:0 0 22px;max-width:640px}
.hub .rulebar{width:40px;height:1.5px;background:var(--accent);margin:12px 0 28px}
.pcard{position:relative;overflow:hidden;background:var(--card);border:1px solid var(--rule);border-radius:16px;padding:34px 34px 32px;min-height:250px;display:flex;flex-direction:column}
.pcard h3{font-size:28px;margin-bottom:8px;max-width:72%}
.pcard p{color:var(--ink-2);margin:0 0 22px;max-width:70%}
.pcard .btn{margin-top:auto;align-self:flex-start}
.pcard .ic{position:absolute;right:-28px;bottom:-28px;width:170px;height:170px;border-radius:50%;background:var(--stone);display:flex;align-items:center;justify-content:center}
.pcard .ic svg{width:78px;height:78px;stroke:var(--accent);fill:none;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;margin:-20px 0 0 -20px}
.note{font-size:15px;color:var(--muted);margin-top:18px;max-width:70ch}
.page-h{font-size:52px;line-height:1.08;margin:14px 0 34px}

footer{border-top:1px solid var(--rule);color:var(--muted);padding:64px 0 56px;font-size:14.5px}
footer .wrap{display:grid;grid-template-columns:repeat(5,1fr);gap:32px}
footer .f-brand{grid-column:1/-1}
footer .f-lab{grid-column:1/-1;margin:0;padding-top:20px;border-top:1px solid var(--rule);font-size:13px}
footer b{font-family:var(--serif);font-weight:500;color:var(--ink);font-size:24px}
footer .f-line{font-family:var(--serif);font-size:18px;color:var(--ink-2);margin:6px 0 14px}
footer .f-brand p:last-child{max-width:400px;margin:0}
footer h4{margin:4px 0 12px;font-size:11.5px;color:var(--ink);letter-spacing:.14em;text-transform:uppercase;font-weight:600}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
footer a{color:var(--ink-2);text-decoration:none}
footer a:hover{color:var(--accent)}

/* the audience links stay on one line, so the menu takes over before they would crowd */
@media (max-width:1040px){
  .explorer{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .plist{grid-column:1/-1;flex-direction:row;flex-wrap:wrap}.plist button{width:auto}.plist .st{display:none}
  footer .wrap{grid-template-columns:1fr 1fr}}
@media (max-width:900px){
  .hero .wrap,.two,.three,.split,.pillars,.steps,.figs{grid-template-columns:minmax(0,1fr)}
  .pillars,.steps{gap:36px}.split{gap:40px}
  .hero{padding:56px 0 48px}.rcard{margin:8px 0 0;max-width:520px}
  section{padding:68px 0}.quiet{padding:52px 0}.head h2,.split h2,.closing h2{font-size:32px}
  .facts{grid-template-columns:minmax(0,1fr)}.facts>div{padding:20px 0}.facts>div+div{padding-left:0;border-left:0;border-top:1px solid var(--rule)}}
@media (max-width:640px){
  .wrap{padding:0 16px}.bar .row1{min-height:62px}
  .bar-r .dd>button.portals{padding:7px 13px}
  .hero h1{font-size:clamp(30px,9.4vw,44px)}.rcard{padding:20px 18px 14px}
  .explorer{grid-template-columns:minmax(0,1fr)}.figure svg{height:300px}
  .plist{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}.plist button{flex:none;padding:10px 14px}
  .pdetail{padding:24px}.card{padding:24px}.page-h{font-size:38px}
  .pcard h3,.pcard p{max-width:100%}.pcard .ic{display:none}
  footer .wrap{grid-template-columns:1fr 1fr;gap:24px 20px}}

/* rebuilt pages: compact hero, cards, controls, spec tables, code */
.hero.compact{padding:64px 0 24px}.hero.compact .wrap{display:block}.hero.compact .hero-t{max-width:760px}
.hero.compact h1{font-size:clamp(34px,4vw,52px)}
.brand img{display:block;height:34px;width:auto}
footer .f-brand img{height:28px;width:auto}
.bar-r .btn.small{min-height:44px;padding:0 18px}
.timeline{margin:0}.timeline svg{width:100%;height:auto;display:block}
.timeline .band{fill:var(--accent-soft)}.timeline .base{stroke:var(--accent);stroke-dasharray:4 4;opacity:.6}
.timeline .line{fill:none;stroke:var(--ink-2);stroke-width:2}.timeline .dots circle{fill:var(--card);stroke:var(--ink-2);stroke-width:2}
.timeline .dots .out{fill:var(--accent);stroke:var(--accent)}
.timeline .axis text{fill:var(--muted);font:12px var(--sans);text-anchor:middle}.timeline .axis .lbl{text-anchor:start;fill:var(--accent)}
.timeline figcaption{font-size:14px;color:var(--muted);margin-top:10px}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.cards.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{display:block;background:var(--card);border:1px solid var(--rule);border-radius:16px;padding:28px;color:inherit;text-decoration:none}
a.card:hover{border-color:var(--accent)}.card h3{font-size:24px;margin-bottom:8px}.card p{margin:0;color:var(--ink-2)}
.steps.four{grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}
.controls{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.control{position:relative;background:var(--card);border:1px solid var(--rule);border-radius:14px;padding:22px 120px 22px 24px}
.control h3{font-size:21px;margin-bottom:4px}.control p{margin:0;color:var(--ink-2);font-size:16px}
.control .st{position:absolute;right:20px;top:22px;font-size:12.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  border:1px solid var(--rule);border-radius:999px;padding:3px 12px;color:var(--muted)}
.control[data-status="Live"] .st{color:var(--accent);border-color:var(--accent)}
.spec{width:100%;border-collapse:collapse;margin:0 0 24px}.spec th,.spec td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--rule);vertical-align:top}
.spec th{font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.spec td:first-child{white-space:nowrap}
code{font-family:var(--mono);font-size:.9em}
.code{background:var(--card);border:1px solid var(--rule);border-radius:12px;padding:18px 20px;overflow-x:auto;margin:0}
.plain{padding-left:20px;color:var(--ink-2)}
@media (max-width:900px){.cards,.cards.two,.steps.four{grid-template-columns:minmax(0,1fr)}.spec td:first-child{white-space:normal;word-break:break-word}
  .control{padding-right:24px;padding-top:56px}}
/* phone and narrow tablet: one Menu button holds every item; search becomes an icon */
@media (max-width:1000px){
  .bar .row2,.hdrsearch,.signin,.talk{display:none}.burger,.search-ic{display:inline-flex}
  .bar.searching .hdrsearch{display:block;position:absolute;left:16px;right:16px;top:100%;max-width:none;margin-top:8px;z-index:25}
  .bar .row1{gap:12px}}
.mnav a,.btn,.theme,.burger{min-height:44px}
@media (max-width:600px){footer ul{gap:0}footer li a{display:flex;align-items:center;min-height:44px}}

/* the Protein Brief: the index list and a post page; tokens only, so both themes follow */
.briefs{list-style:none;margin:0;padding:0;display:grid;gap:16px;max-width:820px}
.topics{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px}
.topics a{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border:1px solid var(--rule);border-radius:999px;
  background:var(--card);color:var(--ink-2);text-decoration:none;font-size:15.5px}
.topics a:hover{border-color:var(--accent);color:var(--accent)}
.topics a[aria-current="true"]{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-ink);font-weight:600}
.briefs li[hidden]{display:none}
.briefs .card .eyebrow{display:block;margin-bottom:6px;color:var(--muted)}
.hero-t .eyebrow a{text-decoration:none}
.post-meta{margin:0;color:var(--muted);font-size:15.5px}
.draft-note{margin-top:14px;padding:8px 14px;background:var(--amber-soft);color:var(--amber);border-radius:10px}
.post{max-width:760px}
.post-part{margin:0 0 36px}.post-part h2,.post-sci h2{font-size:30px;margin-bottom:10px}
.post p,.post li{color:var(--ink-2)}
.post-sci h3{font-size:19px;margin:18px 0 8px}
.sources{margin:0;padding-left:20px;overflow-wrap:anywhere}.sources li{margin-bottom:10px}.sources small{color:var(--muted)}

/* logo and theme icon follow data-theme first, then the OS setting; hide-only rules, specific enough to beat .brand img */
:root[data-theme="light"] .logo-dark,:root[data-theme="light"] .theme .icon-sun{display:none}
:root[data-theme="dark"] .logo-light,:root[data-theme="dark"] .theme .icon-moon{display:none}
@media not (prefers-color-scheme:dark){:root:not([data-theme]) .logo-dark,:root:not([data-theme]) .theme .icon-sun{display:none}}
@media (prefers-color-scheme:dark){:root:not([data-theme]) .logo-light,:root:not([data-theme]) .theme .icon-moon{display:none}}

/* product screenshots: one image per theme, chosen the same way as the logo */
.shot img.shot-dark{display:none}
:root[data-theme="light"] .shot img.shot-dark,:root[data-theme="dark"] .shot img.shot-light{display:none}
:root[data-theme="dark"] .shot img.shot-dark{display:block}
@media (prefers-color-scheme:dark){:root:not([data-theme]) .shot img.shot-light{display:none}:root:not([data-theme]) .shot img.shot-dark{display:block}}
.hero.compact.with-shot .wrap{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:56px;align-items:center}
.hero.compact.with-shot .hero-t{max-width:none}
@media (max-width:900px){.hero.compact.with-shot .wrap{grid-template-columns:minmax(0,1fr);gap:36px}}
.shots{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;margin-top:40px}
.shots:first-child{margin-top:0}
.head+.shots{margin-top:0}
.shot.wide{max-width:960px;margin:32px 0 0}
@media (max-width:900px){.shots{grid-template-columns:minmax(0,1fr);gap:24px}}
.hero.compact.with-aside .wrap{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:56px;align-items:center}
.hero.compact.with-aside .hero-t{max-width:none}
.hero.compact.with-aside .card{margin:0}
.card h2{font-size:26px;margin:0 0 10px}
.card .ctas{margin-top:20px}
.topics{list-style:none;margin:18px 0 0;padding:0}
.topics li{border-top:1px solid var(--rule);padding:12px 0;display:flex;flex-direction:column;gap:2px}
.topics li:first-child{border-top:0}
.topics a{font-weight:600;display:inline-flex;align-items:center;min-height:44px}
.topics span{color:var(--muted);font-size:15px}
@media (max-width:900px){.hero.compact.with-aside .wrap{grid-template-columns:minmax(0,1fr);gap:36px}}
.card .btn{max-width:100%;white-space:normal;text-align:center}
section[id]{scroll-margin-top:140px}
/* the Brief topic chips: a clear gap before the first post (a later .topics list rule must not override it) */
nav.topics{margin:0 0 28px}
/* a page title is followed straight by its content (Brief list, post body, page sections) */
.hero.compact + section:not(.stone){padding-top:16px}
/* panel pages (wd-02) */
.status{margin:14px 0 0;color:var(--ink-2)}.status strong{color:var(--accent)}
.group .gdesc{margin-bottom:16px}.group .chips{margin:0}

/* search suggestions and results */
.sugg{position:absolute;left:0;right:0;top:calc(100% + 6px);background:var(--card);border:1px solid var(--rule);border-radius:14px;
  box-shadow:var(--shadow);padding:6px;z-index:40;overflow:hidden}
.sugg[hidden]{display:none}
.sugg a,.rrow{display:grid;grid-template-columns:auto minmax(0,1fr);column-gap:10px;align-items:baseline;padding:10px 12px;border-radius:9px;color:var(--ink);text-decoration:none;min-height:44px;box-sizing:border-box}
.sugg a b,.rrow b{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sugg a small,.rrow small{grid-column:2;color:var(--muted);font-size:13.5px;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sugg a:hover,.sugg a.act{background:var(--stone)}
.sugg a.act{outline:2px solid var(--accent);outline-offset:-2px}
.sugg a.all{display:block;color:var(--accent);font-weight:500;border-top:1px solid var(--rule);border-radius:0 0 9px 9px;margin-top:4px;padding-top:12px}
.tag{font-family:var(--mono);font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:2px 9px;grid-row:1}
.tag.Protein,.tag.News{color:var(--amber);background:var(--amber-soft)}
.rgroup{margin:0 0 36px;max-width:760px}.rgroup h2{font-size:26px;margin-bottom:10px}
.rrow{border-bottom:1px solid var(--rule);border-radius:0}.rrow small{white-space:normal}.rrow:hover b{color:var(--accent)}