:root{
  --red:#C8102E; --red-soft:#FCEBEE; --navy:#1F4E9A; --navy-soft:#E8EEF8; --ink:#111827; --muted:#6B7280;
  --line:#E5E7EB; --panel:#F5F7FB; --bg:#FFFFFF; --skip:#D9DEE8; --ok:#15803D; --warn:#B45309;
  --font:"Inter","SF Pro Display",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
.hidden{display:none!important}
.red{color:var(--red)} .navy{color:var(--navy)} .muted{color:var(--muted)}
h1,h2,h3{letter-spacing:-.02em;margin:.2em 0}
h2{font-size:clamp(22px,3vw,32px)} h3{font-size:17px}

/* header */
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:28px;padding:12px max(16px,4vw);
  background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:20px;color:var(--ink)}
.logo{width:30px;height:26px;color:var(--red)}
nav{display:flex;gap:20px;flex-wrap:wrap} nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:14px}
nav a:hover{color:var(--red)}
.tag{margin-left:auto;font-size:12px;color:var(--muted)}

/* hero */
.hero{padding:42px max(16px,4vw) 8px}
.hero h1{font-size:clamp(34px,6vw,64px);line-height:1.04;font-weight:800}
.hero-ecg{width:100%;height:110px;margin-top:10px}
.hero-ecg path{fill:none;stroke:var(--red);stroke-width:2.2;stroke-linejoin:round}
.legend{display:flex;gap:22px;font-size:13px;color:var(--muted)}
.sw{display:inline-block;width:22px;height:3px;border-radius:2px;margin-right:6px;vertical-align:middle}
.sw.red{background:var(--red)} .sw.grey{background:#C7CDD8}

main{padding:8px max(16px,4vw) 40px;display:grid;gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 1px 2px rgba(17,24,39,.04)}
.kicker{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--red);margin-bottom:12px}
.kicker i{width:26px;height:4px;background:var(--navy);border-radius:2px}
.caption{font-size:12.5px;color:var(--muted);line-height:1.5}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* inputs */
.input-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.input-box{background:var(--panel);border-radius:14px;padding:18px;border:1.5px dashed transparent;transition:border-color .2s,background .2s}
.input-box.drop.over{border-color:var(--red);background:var(--red-soft)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
select,input[type=number]{font:inherit;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}
input[type=number]{width:84px}
.fs{font-size:13px;color:var(--muted)}
.hint{font-size:12px;color:var(--muted);margin:8px 0 0}
.btn{font:inherit;font-weight:700;border:0;border-radius:10px;padding:10px 18px;background:var(--red);color:#fff;cursor:pointer;
  transition:transform .15s,box-shadow .15s,background .2s}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(200,16,46,.25)}
.btn.ghost{background:#fff;color:var(--navy);border:1.5px solid var(--navy-soft)}
.btn.round{width:38px;height:38px;padding:0;border-radius:50%;font-size:20px}
.meta{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;padding:6px 12px;border-radius:999px;background:var(--panel);color:var(--ink)}
.pill.red{background:var(--red-soft);color:var(--red)} .pill.navy{background:var(--navy-soft);color:var(--navy)}
.pill.warn{background:#FEF3C7;color:var(--warn)}
.report{width:100%;background:var(--panel);border-radius:12px;padding:12px 14px;font-size:13px;margin-top:6px}

/* live */
.win-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}
#winSlider{flex:1;accent-color:var(--red)}
.pipeline{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:6px 0 16px}
.pstep{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:var(--panel);transition:all .35s}
.pstep .ic{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#fff;color:var(--navy);font-size:14px}
.pstep small{color:var(--muted);font-size:11.5px}
.pstep.on{background:var(--red-soft);box-shadow:0 0 0 2px var(--red) inset} .pstep.on .ic{background:var(--red);color:#fff}
.arr{color:#C0C6D2}
.compare-bars{display:grid;gap:12px}
.cb-row{display:grid;grid-template-columns:150px 1fr 120px;gap:14px;align-items:center;background:var(--panel);border-radius:14px;padding:12px 16px}
.cb-name b{display:block;font-size:17px} .cb-name small{color:var(--muted);font-size:12px}
.cb-plot canvas{width:100%;height:90px;display:block}
.barcode{display:flex;height:16px;gap:1px;margin-top:4px}
.barcode span{flex:1;border-radius:1px;background:var(--skip);transform:scaleY(.2);transition:transform .25s,background .25s}
.barcode span.on{transform:scaleY(1)}
.std .barcode span.on{background:var(--navy)} .edss .barcode span.on{background:var(--red)}
.edss .barcode span.off{transform:scaleY(1);background:#E7EAF0}
.cb-num b{font-size:30px;font-weight:800;display:block;line-height:1} .cb-num small{color:var(--muted);font-size:12px;display:block}
.std .cb-num b{color:var(--navy)} .edss .cb-num b{color:var(--red)} .cb-num em{color:var(--red);font-style:normal;font-size:12px;font-weight:700}
.leads{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:14px}
.leads div{background:var(--panel);border-radius:10px;padding:6px 8px} .leads b{font-size:12px;color:var(--navy)} .leads canvas{width:100%;height:46px;display:block}

/* verdict */
.verdict{display:grid;grid-template-columns:300px 1fr;gap:22px}
.v-main{background:linear-gradient(160deg,var(--red-soft),#fff);border-radius:16px;padding:22px;border:1px solid #F6D3DA}
.v-label{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.v-class{font-size:26px;font-weight:800;color:var(--red);margin:8px 0 14px;line-height:1.15;min-height:60px}
.v-doc{font-size:14px} .v-doc .match{font-weight:800}
.match.yes{color:var(--ok)} .match.no{color:var(--warn)}
.why{font-size:15.5px;line-height:1.6;margin:6px 0 10px} .why b{color:var(--red)}
#whyCanvas{width:100%;height:150px;display:block;background:var(--panel);border-radius:12px}
.leadbars{display:grid;grid-template-columns:repeat(8,1fr);gap:8px;margin-top:10px}
.leadbars div{text-align:center;font-size:11.5px;color:var(--muted)}
.leadbars i{display:block;height:54px;background:var(--panel);border-radius:6px;position:relative;overflow:hidden;margin-bottom:4px}
.leadbars i b{position:absolute;left:0;right:0;bottom:0;background:var(--red);transition:height .8s ease}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}

/* models */
.models{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.mcard{border:1px solid var(--line);border-radius:14px;padding:14px;position:relative;animation:pop .5s ease both}
.mcard.ours{border:2px solid var(--red);background:linear-gradient(180deg,#fff,var(--red-soft))}
.mcard.ctrl{opacity:.82}
.mcard h4{margin:0 0 6px;font-size:15px} .mcard .pred{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.cls{font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px;background:var(--navy-soft);color:var(--navy)}
.cls.abn{background:var(--red-soft);color:var(--red)}
.pbar{display:grid;grid-template-columns:52px 1fr 36px;gap:6px;align-items:center;font-size:11.5px;color:var(--muted);margin:3px 0}
.pbar i{height:7px;border-radius:4px;background:var(--panel);overflow:hidden} .pbar i b{display:block;height:100%;background:var(--navy);border-radius:4px;transition:width .9s ease}
.mcard.ours .pbar i b{background:var(--red)}
.mstats{display:flex;justify-content:space-between;margin-top:10px;font-size:12px;color:var(--muted)} .mstats b{color:var(--ink)}
.badge{position:absolute;top:12px;right:12px;font-size:11px;font-weight:800;padding:3px 8px;border-radius:999px}
.badge.yes{background:#DCFCE7;color:var(--ok)} .badge.no{background:#FEF3C7;color:var(--warn)}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}

/* timeline */
.tl{margin-top:14px;display:grid;gap:6px}
.tl-row{display:grid;grid-template-columns:150px 1fr;gap:10px;align-items:center}
.tl-row>b{font-size:13px} .tl-track{position:relative;height:22px;background:var(--panel);border-radius:6px;overflow:hidden;display:flex}
.tl-track span{flex:1;cursor:pointer;transition:filter .2s} .tl-track span:hover{filter:brightness(.85)}
.tl-track .n{background:#E9EDF4} .tl-track .a{background:var(--red)} .tl-track .u{background:transparent}
.tl-track.compute span{background:var(--navy);transform-origin:bottom}
.tl-rhythm{position:relative;height:22px;background:var(--panel);border-radius:6px;overflow:hidden}
.tl-rhythm i{position:absolute;top:0;bottom:0;font-style:normal;font-size:10.5px;color:#fff;overflow:hidden;white-space:nowrap;padding-left:3px;line-height:22px}
.tl-axis{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-left:160px}
.episodes{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px;margin-top:14px}
.ep{background:var(--panel);border-radius:12px;padding:10px 12px;font-size:13px} .ep b{color:var(--red)}

/* results */
.res-tabs{display:flex;gap:8px;margin:8px 0 12px}
.res-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:18px;align-items:start}
#scatter{width:100%;background:var(--panel);border-radius:14px}
table{border-collapse:collapse;width:100%;font-size:13px} th,td{padding:7px 8px;border-bottom:1px solid var(--line);text-align:left}
th{font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
td.v-better{color:var(--ok);font-weight:700} td.v-worse{color:var(--warn);font-weight:700}

/* architecture */
#arch svg{width:100%;height:auto}
.eqs{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:14px}
.eqs div{background:var(--panel);border-radius:12px;padding:10px 14px} .eqs b{color:var(--red);margin-right:10px}
.eqs code{font-family:"SF Mono",Menlo,Consolas,monospace;font-size:13px}
.flow{stroke-dasharray:6 6;animation:flow 1.2s linear infinite} @keyframes flow{to{stroke-dashoffset:-24}}

footer{padding:26px max(16px,4vw);border-top:1px solid var(--line);font-size:13px;color:var(--muted);text-align:center}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(80px);background:var(--ink);color:#fff;padding:12px 18px;border-radius:12px;font-size:14px;transition:transform .3s;z-index:50;max-width:90vw}
.toast.show{transform:translateX(-50%) translateY(0)}
.busy{position:fixed;inset:0;background:rgba(255,255,255,.75);display:grid;place-items:center;z-index:40;align-content:center;gap:10px;font-weight:700;color:var(--red)}
.pulse svg{width:160px} .pulse path{fill:none;stroke:var(--red);stroke-width:3;stroke-dasharray:200;animation:draw 1.2s linear infinite}
@keyframes draw{from{stroke-dashoffset:200}to{stroke-dashoffset:-200}}

@media (max-width:900px){
  .input-grid,.verdict,.res-grid{grid-template-columns:1fr} .cb-row{grid-template-columns:1fr} .leads{grid-template-columns:repeat(2,1fr)}
  .tag{display:none} .eqs{grid-template-columns:1fr} .leadbars{grid-template-columns:repeat(4,1fr)}
}

.af{margin-top:16px;padding:12px 14px;border-radius:12px;background:#fff;border:1px solid var(--line);font-size:13.5px}
.af b.big{display:block;font-size:18px;margin:2px 0} .af .yes{color:var(--red)} .af .no{color:var(--ok)}
.af i{display:block;height:8px;border-radius:4px;background:var(--panel);overflow:hidden;margin:6px 0}
.af i b{display:block;height:100%;background:var(--red);transition:width .9s ease}

.demo-box{margin-bottom:16px;background:var(--red-soft)} #demoSel{min-width:min(520px,100%)}

main.tight{padding-top:20px}
#whyCanvas{cursor:crosshair}
.whatif{margin-top:10px;padding:12px 14px;border-radius:12px;background:var(--navy-soft);font-size:13.5px;line-height:1.55}
.whatif table{margin-top:8px;background:#fff;border-radius:10px;overflow:hidden}
.whatif .chg{color:var(--red);font-weight:800} .whatif .same{color:var(--muted)}
.leadbars div{cursor:pointer} .leadbars div:hover i{outline:2px solid var(--red)}