:root{
  --ink:#16202B; --muted:#5A6B7C; --rule:#DCE3EA; --paper:#F7F9FB;
  --surface:#FFFFFF; --brand:#1E4C7A; --brand-soft:#E8F0F7;
}
@media (prefers-color-scheme: dark){
  :root{ --ink:#E7EDF3; --muted:#9BABBA; --rule:#2A3947; --paper:#0F1720;
         --surface:#17222D; --brand:#7FB3E0; --brand-soft:#1B2A38; }
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
.wrap{max-width:760px;margin:0 auto;padding-inline:20px;padding-block:48px 72px}
header.site{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-bottom:1px solid var(--rule);padding-bottom:16px;margin-bottom:36px}
.brand{font-weight:700;letter-spacing:-.01em}
.brand span{color:var(--muted);font-weight:400}
nav a{color:var(--muted);text-decoration:none;margin-left:18px;font-size:.92rem}
nav a:hover{color:var(--ink);text-decoration:underline}
h1{font-size:clamp(1.8rem,5vw,2.5rem);line-height:1.15;margin:0 0 12px;letter-spacing:-.02em;text-wrap:balance}
h2{font-size:1.15rem;margin:34px 0 10px;letter-spacing:-.01em}
h3{font-size:1rem;margin:22px 0 6px}
p,li{color:var(--ink)}
p{margin:0 0 14px}
ul{margin:0 0 14px;padding-left:22px}
li{margin-bottom:7px}
.lede{font-size:1.1rem;color:var(--muted);margin-bottom:28px}
.eyebrow{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);font-weight:700;margin:0 0 8px}
.card{background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:22px 24px;margin:26px 0}
.meta{font-size:.88rem;color:var(--muted)}
footer.site{margin-top:56px;border-top:1px solid var(--rule);padding-top:18px;font-size:.88rem;color:var(--muted)}
a{color:var(--brand)}
code{background:var(--brand-soft);padding:1px 5px;border-radius:4px;font-size:.88em}