/* Metricept public pages — shared tokens
   Swap the six colour values below for the exact Potomac AI Labs brand hexes. */
:root{
  --river:#0f1d2e;      /* page base, dark */
  --ink:#172a41;        /* panels on dark */
  --line:#24394f;       /* rules on dark */
  --mist:#b8c4d3;       /* secondary text on dark */
  --snow:#eef2f7;       /* primary text on dark */
  --current:#88f12f;    /* Metricept lime — sampled from the logo */
  --potomac:#35b6d4;    /* Potomac secondary accent */
  --paper:#f6f8fb;      /* light surfaces (intake, report) */
  --paper-ink:#132033;  /* text on light */
  --paper-mute:#5b6b80;
  --paper-line:#d9e0ea;
  --verified:#2fbf71;   /* TL4/5 — same green as the workspace */
  --caution:#e0a324;    /* TL1 */
  --danger:#e05252;     /* unsupported */
  --tl0:#8b97a6; --tl1:#e0a324; --tl2:#4a90e2; --tl3:#8b6cf0; --tl4:#2fbf71; --tl5:#1a9d5a;
  --sans:'IBM Plex Sans',system-ui,-apple-system,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
  --maxw:1080px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto} *{animation:none!important;transition:none!important}}
body{font-family:var(--sans);line-height:1.55;-webkit-font-smoothing:antialiased}
body.dark{background:var(--river);color:var(--snow)}
body.light{background:var(--paper);color:var(--paper-ink)}
a{color:inherit}
:focus-visible{outline:2px solid var(--current);outline-offset:3px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono)}

/* top bar */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:22px 0;gap:24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:600;letter-spacing:.01em}
.brand img{height:28px;width:auto}
.brand .by{font-size:12px;color:var(--mist);font-weight:400;border-left:1px solid var(--line);padding-left:12px}
.topnav{display:flex;gap:26px;font-size:14px}
.topnav a{text-decoration:none;color:var(--mist)}
.topnav a:hover{color:var(--snow)}
.btn{display:inline-block;padding:12px 20px;border-radius:6px;font-weight:600;font-size:14px;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--current);color:#0b1a0a}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{border-color:var(--line);color:var(--snow);background:transparent}
.btn-ghost:hover{border-color:var(--mist)}
body.light .btn-ghost{border-color:var(--paper-line);color:var(--paper-ink)}

/* type scale */
h1{font-size:clamp(34px,4.6vw,54px);line-height:1.08;font-weight:600;letter-spacing:-.02em}
h2{font-size:clamp(26px,3vw,36px);line-height:1.15;font-weight:600;letter-spacing:-.015em}
h3{font-size:19px;font-weight:600;line-height:1.3}
.lede{font-size:18px;color:var(--mist);max-width:60ch}
body.light .lede{color:var(--paper-mute)}
.index{font-family:var(--mono);font-size:12px;color:var(--current);letter-spacing:.04em}
section{padding:72px 0}
section + section{border-top:1px solid var(--line)}
body.light section + section{border-top-color:var(--paper-line)}

/* trust badges (shared with report) */
.tl{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:12px;padding:3px 9px;border-radius:4px;border:1px solid currentColor;line-height:1.4}
.tl::before{content:'';width:7px;height:7px;border-radius:50%;background:currentColor}
.tl.tl0{color:var(--tl0)} .tl.tl1{color:var(--tl1)} .tl.tl2{color:var(--tl2)} .tl.tl3{color:var(--tl3)} .tl.tl4{color:var(--tl4)} .tl.tl5{color:var(--tl5)}

/* forms (intake) */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:18px}
.field label{font-size:14px;font-weight:600}
.field .hint{font-size:13px;color:var(--paper-mute)}
.field input,.field select,.field textarea{font:inherit;font-size:15px;padding:11px 12px;border:1px solid var(--paper-line);border-radius:6px;background:#fff;color:var(--paper-ink);width:100%}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--current);outline:none;box-shadow:0 0 0 3px rgba(136,241,47,.22)}
.choices{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px}
.choice{display:flex;gap:10px;align-items:flex-start;padding:12px;border:1px solid var(--paper-line);border-radius:6px;background:#fff;cursor:pointer;font-size:14px}
.choice input{margin-top:3px;flex:none;width:auto}
.choice:has(input:checked){border-color:#5fbf10;background:#f2fce9}
.fieldset{border:0;padding:0;margin:0 0 36px}
.fieldset legend{font-size:20px;font-weight:600;margin-bottom:6px}
.fieldset .legend-note{font-size:14px;color:var(--paper-mute);margin-bottom:18px;max-width:64ch}

footer{padding:36px 0 48px;font-size:13px;color:var(--mist);border-top:1px solid var(--line)}
body.light footer{color:var(--paper-mute);border-top-color:var(--paper-line)}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
@media (max-width:720px){.topnav{display:none} section{padding:52px 0}}