:root{
  --ink:#0B0E13;
  --ink-2:#141922;
  --body:#2A3138;
  --muted:#5A6472;
  --muted-inv:#8B96A5;
  --cobalt:#2563EB;
  --cobalt-hot:#3B82F6;
  --cobalt-dark:#1D4ED8;
  --paper:#FFFFFF;
  --band:#F2F5F9;
  --line:#D9E0E8;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--body);background:var(--paper);
  font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:860px;margin:0 auto;padding:0 24px;}
.display{font-family:"Space Grotesk",-apple-system,sans-serif;letter-spacing:-0.02em;}
.mono{font-family:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;}

/* ===== dark lab hero ===== */
.lab{
  background:
    linear-gradient(rgba(37,99,235,0.06),rgba(37,99,235,0) 40%),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.045) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.045) 0 1px, transparent 1px 44px),
    var(--ink);
  color:#E8ECF2;
}
.lab header{padding:26px 0;}
.brand{display:flex;align-items:baseline;gap:9px;text-decoration:none;}
.brand .dot{width:11px;height:11px;border-radius:50%;background:var(--cobalt-hot);box-shadow:0 0 14px rgba(59,130,246,.9);align-self:center;}
.brand b{font-family:"Space Grotesk",sans-serif;font-size:21px;font-weight:700;color:#fff;letter-spacing:-0.01em;}
.brand span{font-size:11px;letter-spacing:0.2em;text-transform:uppercase;color:var(--cobalt-hot);font-weight:700;}
.hero{padding:74px 0 66px;}
.hero .tag{display:inline-block;font-size:12px;letter-spacing:0.14em;color:var(--cobalt-hot);border:1px solid rgba(59,130,246,.45);border-radius:4px;padding:5px 10px;margin:0 0 22px;}
.hero h1{font-size:clamp(38px,6.4vw,62px);line-height:1.04;font-weight:700;color:#fff;margin:0 0 22px;}
.hero h1 em{font-style:normal;color:var(--cobalt-hot);}
.hero p{font-size:19px;line-height:1.6;max-width:58ch;color:#B9C2CE;margin:0 0 32px;}
.cta{
  display:inline-block;background:var(--cobalt);color:#fff;text-decoration:none;
  font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:17px;
  padding:15px 30px;border-radius:8px;box-shadow:0 6px 24px rgba(37,99,235,.45);
}
.cta:hover{background:var(--cobalt-hot);}
.cta:focus-visible{outline:3px solid #fff;outline-offset:2px;}

/* spec plate — instrument strip on the dark block */
.plate{border-top:1px solid rgba(255,255,255,.12);padding:18px 0 26px;}
.plate .wrap{display:flex;flex-wrap:wrap;gap:10px 40px;}
.spec{font-size:12.5px;letter-spacing:0.07em;color:var(--muted-inv);}
.spec b{color:#fff;font-weight:600;}

/* ===== light sections ===== */
section{padding:64px 0;}
section.band{background:var(--band);}
.kicker{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:0.16em;text-transform:uppercase;color:var(--cobalt);font-weight:600;margin:0 0 10px;}
h2{font-size:clamp(26px,3.6vw,34px);font-weight:700;color:var(--ink);margin:0 0 26px;}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;}
.card{
  background:#fff;border:1px solid var(--line);border-top:3px solid var(--cobalt);
  border-radius:10px;padding:24px 22px;
  transition:transform .15s ease, box-shadow .15s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(11,14,19,.10);}
.card h3{font-family:"Space Grotesk",sans-serif;font-size:19px;color:var(--ink);margin:0 0 8px;}
.card p{font-size:15.5px;margin:0;}

.hows{list-style:none;display:grid;gap:12px;}
.hows li{
  background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:16px 18px 16px 46px;position:relative;max-width:none;
}
.hows li::before{
  content:"";position:absolute;left:18px;top:22px;width:12px;height:12px;
  border-radius:50%;background:var(--cobalt);box-shadow:0 0 0 4px rgba(37,99,235,.15);
}

.contact p{max-width:56ch;margin:0 0 26px;}
.contact a.mail{
  font-family:"Space Grotesk",sans-serif;font-size:clamp(19px,3vw,24px);font-weight:700;
  color:var(--cobalt);text-decoration:none;border-bottom:3px solid var(--cobalt);
}
.contact a.mail:hover{color:var(--cobalt-dark);border-color:var(--cobalt-dark);}

footer{background:var(--ink);color:var(--muted-inv);padding:34px 0 46px;font-size:14px;}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;}
footer a{color:var(--muted-inv);text-decoration:none;}
footer a:hover{color:#fff;}

/* legal pages */
.legal h1{font-size:32px;color:var(--ink);margin:40px 0 8px;}
.legal .updated{font-size:14px;color:var(--muted);margin:0 0 28px;}
.legal h2{font-size:20px;margin:28px 0 8px;}
.legal p,.legal li{max-width:70ch;margin:0 0 12px;}
.legal ul{padding-left:22px;margin:0 0 12px;}
main.legal{background:#fff;}
body.legalpage header{background:var(--ink);padding:22px 0;}

@media(max-width:640px){
  .hero{padding:52px 0 46px;}
  section{padding:48px 0;}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .card{transition:none;}
}