/* ---------------- tokens ---------------- */
:root {
  /* light — paper ground */
  --bg:#F2F4EF; --bg-2:#FBFCF9; --bg-3:#E9EDE6;
  --line:#CFD6C9; --line-2:#BCC6B8;
  --fg:#151C18; --fg-2:#4A554D; --fg-3:#626E66;
  --sage:#4E6B57; --sage-2:#6F8F78; --sage-deep:#2F4436;
  --signal:#C8542B; --signal-text:#B4471F; --signal-fg:#FFF6F2;
  --sel:#F7EEE9;
  --cta:#4E6B57; --cta-fg:#F2F4EF;
  --display:"Instrument Serif",Georgia,"Times New Roman",serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono","SF Mono",Menlo,Consolas,monospace;
  --pad:clamp(20px,5vw,80px);
}
/* dark — ink ground */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-mode="light"]) {
  --bg:#151C18; --bg-2:#1A231D; --bg-3:#121815;
  --line:#2C372F; --line-2:#3D4A41;
  --fg:#E6EBE4; --fg-2:#9AA79E; --fg-3:#8A968C;
  --sage:#8FB098; --sage-2:#6F8F78; --sage-deep:#4E6B57;
  --signal:#C8542B; --signal-text:#E2734A; --signal-fg:#FFF6F2;
  --sel:#1E1917;
  --cta:#6F8F78; --cta-fg:#121815;
  }
}
:root[data-theme="dark"]:not([data-mode="light"]),
:root[data-mode="dark"] {
  --bg:#151C18; --bg-2:#1A231D; --bg-3:#121815;
  --line:#2C372F; --line-2:#3D4A41;
  --fg:#E6EBE4; --fg-2:#9AA79E; --fg-3:#8A968C;
  --sage:#8FB098; --sage-2:#6F8F78; --sage-deep:#4E6B57;
  --signal:#C8542B; --signal-text:#E2734A; --signal-fg:#FFF6F2;
  --sel:#1E1917;
  --cta:#6F8F78; --cta-fg:#121815;
}

*{box-sizing:border-box;}
body{background:var(--bg);color:var(--fg);font-family:var(--body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
:focus-visible{outline:2px solid var(--sage);outline-offset:3px;}
a{color:var(--sage);}
.brand,.skip{text-decoration:none;color:inherit;}
main p a,.lede a{text-decoration:underline;text-underline-offset:2px;}
.mono{font-family:var(--mono);}
.serif{font-family:var(--display);font-weight:400;}
.skip{position:absolute;left:-9999px;top:0;background:var(--cta);color:var(--cta-fg);padding:12px 18px;z-index:100;}
.skip:focus{left:8px;top:8px;}

/* ---------------- header ---------------- */
header{position:sticky;top:0;z-index:40;background:var(--bg);border-bottom:1px solid transparent;transition:border-color .2s,background .2s;}
header.stuck{border-bottom-color:var(--line);}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px var(--pad);}
.brand{display:flex;align-items:center;gap:12px;background:none;border:0;padding:7px 0;cursor:pointer;color:inherit;font:inherit;}
.bwrap{display:flex;align-items:baseline;gap:11px;}
.mark{display:block;flex-shrink:0;color:var(--sage);}
.brand .wm{font-family:var(--display);font-size:29px;line-height:1;letter-spacing:-.01em;color:var(--fg);}
.brand .tag{font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--sage);}
nav.desk{display:flex;align-items:center;gap:24px;}
.nl{display:inline-block;text-decoration:none;font-family:var(--mono);font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--fg-2);background:none;border:0;padding:13px 0 11px;cursor:pointer;border-bottom:2px solid transparent;transition:color .15s,border-color .15s;}
.nl:hover{color:var(--fg);}
.nl[aria-current="page"]{color:var(--fg);border-bottom-color:var(--sage);}
.btn{display:inline-block;text-align:center;text-decoration:none;font-family:var(--body);font-size:14px;font-weight:600;min-height:44px;padding:13px 22px;border:0;cursor:pointer;background:var(--cta);color:var(--cta-fg);transition:filter .15s,transform .06s;}
.btn:hover{filter:brightness(1.1);}
.btn:active{transform:translateY(1px);}
.btn.ghost{background:none;color:var(--fg);border:1px solid var(--sage-2);font-weight:500;}
.btn.ghost:hover{border-color:var(--sage);background:var(--bg-2);filter:none;}
.btn.sm{font-size:13px;padding:13px 17px;}
.burger{display:none;background:none;border:1px solid var(--line-2);color:var(--fg);min-width:44px;min-height:44px;padding:10px 12px;cursor:pointer;}
.theme{flex-shrink:0;background:none;border:1px solid var(--line-2);color:var(--fg-2);width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:color .15s,border-color .15s;}
.theme:hover{color:var(--fg);border-color:var(--fg-3);}
.theme svg{display:block;}
#mobnav{border-top:1px solid var(--line);background:var(--bg-2);padding:8px var(--pad) 20px;flex-direction:column;gap:2px;}
#mobnav .nl{display:block;width:100%;text-align:left;padding:15px 0;border-bottom:1px solid var(--line);}
#mobnav .btn{margin-top:14px;width:100%;}

/* ---------------- layout ---------------- */
main{display:block;}
section.page{display:block;}
.wrap{padding-inline:var(--pad);}
.band{padding-block:clamp(48px,7vw,78px);border-top:1px solid var(--line);}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--sage);margin:0 0 14px;}

h1,h2,h3{margin:0;font-weight:400;}
h1{font-family:var(--display);font-size:clamp(42px,7.2vw,74px);line-height:.99;letter-spacing:-.015em;text-wrap:balance;}
h2{font-family:var(--display);font-size:clamp(29px,4.4vw,40px);line-height:1.1;text-wrap:balance;}
h3{font-size:16.5px;font-weight:600;}
p{margin:0;}
.lede{font-size:clamp(16.5px,1.45vw,19px);line-height:1.55;color:var(--fg-2);max-width:34em;}
.cols2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(28px,4vw,64px);}
.aside{display:grid;grid-template-columns:minmax(0,var(--rail,170px)) minmax(0,1fr);gap:clamp(18px,3vw,48px);align-items:start;}
h1,h2,h3,p,q{overflow-wrap:break-word;}
.stack{display:flex;flex-direction:column;}
.hr{border-top:1px solid var(--line);}
.note{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--fg-3);text-transform:uppercase;}
.ledger{display:grid;grid-template-columns:minmax(0,1.5fr) 160px minmax(0,1.4fr);gap:0;}
.ledger>div{padding:18px 20px 18px 0;border-top:1px solid var(--line);}
.ledger>div:nth-child(-n+3){border-top:2px solid var(--fg);padding-top:10px;}
.lhead{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-3);}
.status{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;border:1px solid var(--line-2);padding:6px 9px;display:inline-block;color:var(--fg-2);}
.status.ok{border-color:var(--sage);color:var(--sage);}
.status.no{border-style:dashed;}
.ledger .claim{font-size:15.5px;line-height:1.5;color:var(--fg);}
.ledger .settle{font-size:14px;line-height:1.5;color:var(--fg-2);}
.ticks{display:flex;flex-direction:column;}
.tick{display:grid;grid-template-columns:18px minmax(0,1fr);gap:14px;padding:15px 0;border-top:1px solid var(--line);align-items:start;}
.tick svg{margin-top:4px;color:var(--sage);}
.tick p{font-size:15.5px;line-height:1.55;}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
}
@media (max-width:760px){
  .ledger{grid-template-columns:minmax(0,1fr);}
  .ledger>div{padding:10px 0;border-top:none;}
  .ledger>div:nth-child(-n+3){display:none;}
  .ledger>div:nth-child(3n+1){border-top:1px solid var(--line);padding-top:18px;}
  .ledger>div:nth-child(3n){padding-bottom:18px;}
}

/* ---------------- hero chart ---------------- */
.hero{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(30px,4vw,60px);align-items:center;padding-block:clamp(44px,6vw,80px);}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;}
.link-u{display:inline-block;text-decoration:none;font-family:var(--mono);font-size:12.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--sage);background:none;border:0;border-bottom:1px solid var(--sage-deep);padding:12px 2px;cursor:pointer;}
.link-u:hover{color:var(--fg);border-bottom-color:var(--sage);}
.card{border:1px solid var(--line);background:var(--bg-2);}
.chart-head{display:flex;flex-wrap:wrap;gap:8px;align-items:baseline;justify-content:space-between;padding:20px 20px 10px;}
.readout{font-family:var(--mono);font-size:11.5px;letter-spacing:.09em;color:var(--fg-2);font-variant-numeric:tabular-nums;}
.readout b{color:var(--fg);font-weight:500;}
.flagstate{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;}
.flagstate[data-on="0"]{color:var(--fg-3);}
.flagstate[data-on="1"]{color:var(--signal-text);}
svg.chart{display:block;width:100%;height:auto;padding:0 12px;}
svg.chart text{font-family:var(--mono);}
#thr,#ghost{stroke:var(--line-2);}
#live{stroke:var(--sage);}
#head{fill:var(--fg);}
#flagL{stroke:var(--signal);}
#flagC{fill:var(--signal);}
#flagT{fill:var(--signal-text);}
#thrT{fill:var(--fg-3);}
.scrub{padding:6px 20px 18px;display:flex;flex-direction:column;gap:8px;}
.scrub-labels{display:flex;justify-content:space-between;}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;background:transparent;cursor:grab;height:44px;margin:0;}
input[type=range]:active{cursor:grabbing;}
input[type=range]::-webkit-slider-runnable-track{height:2px;background:var(--line-2);}
input[type=range]::-moz-range-track{height:2px;background:var(--line-2);}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;background:var(--fg);border:0;margin-top:-8px;}
input[type=range]::-moz-range-thumb{width:18px;height:18px;background:var(--fg);border:0;border-radius:0;}

/* ---------------- steps ---------------- */
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);}
.grid2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid3{grid-template-columns:repeat(3,minmax(0,1fr));}
.cell{background:var(--bg);padding:26px 22px 30px;display:flex;flex-direction:column;gap:11px;}
.cell .num{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--sage);}
.cell p{font-size:14.5px;line-height:1.55;color:var(--fg-2);}

/* ---------------- triage ---------------- */
.app{border:1px solid var(--line);background:var(--bg-2);overflow:hidden;}
.appbar{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;padding:12px 18px;border-bottom:1px solid var(--line);}
.appbar .tabs{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.appbar .t{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--fg-3);}
.appbar .t.on{color:var(--fg);border-bottom:2px solid var(--sage);padding-bottom:3px;}
.split{display:grid;grid-template-columns:360px minmax(0,1fr);gap:1px;background:var(--line);}
.queue{background:var(--bg);max-height:560px;overflow:auto;}
.ghead{font-family:var(--mono);font-size:10px;letter-spacing:.16em;padding:16px 18px 8px;}
.row{display:flex;gap:13px;width:100%;text-align:left;padding:13px 18px;background:none;border:0;border-left:3px solid var(--line-2);cursor:pointer;color:inherit;font:inherit;transition:background .12s;}
.row:hover{background:var(--bg-2);}
.row[aria-selected="true"]{background:var(--sel);}
.av{width:34px;height:34px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:600;background:var(--line);color:var(--fg-2);}
.row .who{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;}
.row .who b{font-size:14px;font-weight:600;color:var(--fg);}
.row .who span{font-family:var(--mono);font-size:10px;color:var(--fg-3);}
.row .ex{font-size:13px;line-height:1.42;color:var(--fg-2);margin-top:3px;}
.detail{background:var(--bg-2);padding:24px clamp(18px,2.4vw,30px) 28px;display:flex;flex-direction:column;gap:20px;}
.chip{font-family:var(--mono);font-size:11px;color:var(--fg);border:1px solid var(--line-2);padding:7px 12px;}
.pill{font-family:var(--mono);font-size:11px;letter-spacing:.12em;padding:7px 13px;border:1px solid var(--signal);color:var(--signal-text);}
.excerpt{border-left:3px solid var(--signal);padding:2px 0 2px 18px;}
.excerpt q{font-family:var(--display);font-size:clamp(20px,2.2vw,25px);line-height:1.3;color:var(--fg);quotes:"“" "”";}
.acts{display:flex;flex-wrap:wrap;gap:9px;}
.empty{padding:64px 30px;text-align:center;display:flex;flex-direction:column;gap:12px;align-items:center;}

/* ---------------- noise viz ---------------- */
.seg{display:inline-flex;border:1px solid var(--line-2);}
.seg button{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;background:none;border:0;color:var(--fg-2);padding:15px 15px;cursor:pointer;}
.seg button[aria-pressed="true"]{background:var(--fg);color:var(--bg);}
.dots{display:flex;flex-wrap:wrap;gap:7px;}
.dot{width:15px;height:15px;background:var(--sage-deep);transition:background .35s,opacity .35s,transform .35s;}
.dot.f{background:var(--signal);}
.dots[data-mode="clinician"] .dot:not(.f){opacity:.13;transform:scale(.55);}

/* ---------------- panel ---------------- */

/* ---------------- panel ---------------- */
.bands{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:22px;}
.bandtile{background:var(--bg);border:0;text-align:left;cursor:pointer;padding:18px 18px 20px;display:grid;grid-template-columns:auto auto minmax(0,1fr);grid-template-areas:"m n t" "d d d";gap:4px 10px;align-items:center;font:inherit;color:inherit;transition:background .15s;}
.bandtile:hover{background:var(--bg-2);}
.bandtile[aria-pressed="true"]{background:var(--bg-3);}
.bandtile[aria-pressed="true"] .bname{color:var(--fg);}
.bmark{grid-area:m;width:13px;height:13px;flex-shrink:0;}
.bmark.solid{background:var(--signal);}
.bmark.ring{border:2.5px solid var(--signal);}
.bmark.none{background:var(--line-2);}
.bnum{grid-area:n;font-family:var(--mono);font-size:21px;color:var(--fg);font-variant-numeric:tabular-nums;}
.bname{grid-area:t;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--fg-2);}
.bdef{grid-area:d;font-size:13px;line-height:1.45;color:var(--fg-3);margin-top:4px;}
.pgrid{display:flex;flex-wrap:wrap;gap:7px;max-width:552px;}
.pdot{width:16px;height:16px;transition:opacity .3s,transform .3s;}
.pdot.attn{background:var(--signal);}
.pdot.watch{border:2.5px solid var(--signal);}
.pdot.steady{background:var(--line-2);}
.pgrid[data-band="attn"] .pdot:not(.attn),
.pgrid[data-band="watch"] .pdot:not(.watch),
.pgrid[data-band="steady"] .pdot:not(.steady){opacity:.14;transform:scale(.6);}
.prow{display:grid;grid-template-columns:16px minmax(0,1fr) auto;gap:14px;align-items:baseline;padding:12px 0;border-top:1px solid var(--line);}
.prow .pm{width:12px;height:12px;align-self:center;}
.prow .pn{font-size:14.5px;font-weight:600;color:var(--fg);}
.prow .pw{font-size:14px;color:var(--fg-2);}
.prow .pv{font-family:var(--mono);font-size:12px;color:var(--fg-2);font-variant-numeric:tabular-nums;white-space:nowrap;}
@media (max-width:700px){
  .bands{grid-template-columns:minmax(0,1fr);}
  .prow{grid-template-columns:16px minmax(0,1fr);}
  .prow .pv{grid-column:2;}
}

/* ---------------- contact form ---------------- */
.form{display:flex;flex-direction:column;gap:22px;position:relative;}
.field{display:flex;flex-direction:column;gap:8px;margin:0;padding:0;border:0;min-width:0;}
.field label:not(.radio),.field legend{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-2);padding:0;}
.field input[type=text],.field input[type=email],.field select,.field textarea{font:inherit;font-size:16px;color:var(--fg);background:var(--bg-2);border:1px solid var(--line-2);min-height:48px;padding:11px 14px;width:100%;margin:0;}
.field input:hover,.field select:hover,.field textarea:hover{border-color:var(--sage-2);}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{border-color:var(--sage);outline-offset:0;}
.field input[aria-invalid="true"],.field select[aria-invalid="true"]{border-color:var(--signal);}
.field textarea{min-height:140px;resize:vertical;line-height:1.5;}
.field .opt{text-transform:none;letter-spacing:0;color:var(--fg-3);}
.sel{position:relative;}
.sel select{-webkit-appearance:none;appearance:none;padding-right:44px;cursor:pointer;}
.sel::after{content:"";position:absolute;right:17px;top:50%;width:8px;height:8px;border-right:1.6px solid var(--fg-2);border-bottom:1.6px solid var(--fg-2);transform:translateY(-70%) rotate(45deg);pointer-events:none;}
.radio{display:grid;grid-template-columns:20px minmax(0,1fr);gap:12px;align-items:start;min-height:44px;padding:10px 0;cursor:pointer;font-family:var(--body);font-size:15.5px;line-height:1.5;letter-spacing:0;text-transform:none;color:var(--fg);}
.radio input{-webkit-appearance:none;appearance:none;width:20px;height:20px;margin:1px 0 0;border:1px solid var(--line-2);background:var(--bg-2);cursor:pointer;display:grid;place-content:center;}
.radio input::before{content:"";width:10px;height:10px;background:var(--sage);transform:scale(0);transition:transform .12s;}
.radio input:checked{border-color:var(--sage);}
.radio input:checked::before{transform:scale(1);}
.gotcha{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;}
.fstatus{font-size:15px;line-height:1.5;color:var(--fg-2);min-height:1.5em;}
.fstatus.err{color:var(--signal-text);}
.fdone{display:flex;flex-direction:column;gap:14px;padding:26px 24px 30px;background:var(--bg-2);border:1px solid var(--line);}
.fdone p{font-size:15.5px;line-height:1.55;color:var(--fg-2);}

/* ---------------- footer ---------------- */
footer{border-top:1px solid var(--line);padding:40px var(--pad) 44px;display:flex;flex-direction:column;gap:34px;}
.fcols{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:32px;}
.fhead{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-3);margin-bottom:6px;}
.flink{display:inline-block;text-decoration:none;font-family:var(--body);font-size:14px;color:var(--fg-2);background:none;border:0;padding:13px 0;text-align:left;cursor:pointer;}
.flink:hover{color:var(--fg);}
.fbar{display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between;border-top:1px solid var(--line);padding-top:20px;}
@media (max-width:760px){.fcols{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}}
@media (max-width:440px){.fcols{grid-template-columns:minmax(0,1fr);}}

/* ---------------- responsive ---------------- */
@media (max-width:960px){
  .hero{grid-template-columns:minmax(0,1fr);}
  .cols2{grid-template-columns:minmax(0,1fr);}
  .grid4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:minmax(0,1fr);}
  .queue{max-height:none;}
}
@media (max-width:1060px){
  nav.desk{display:none;}
  .burger{display:block;}
  header .bar>.btn{display:none;}
}
@media (max-width:760px){
  .aside{grid-template-columns:minmax(0,1fr);gap:12px;}
  .grid3{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:560px){
  .brand .tag{display:none;}
  .grid4,.grid2{grid-template-columns:minmax(0,1fr);}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}