:root{
  --bg:#f6f7f9; --fg:#16191d; --muted:#59636e; --line:#e2e6eb;
  --accent:#2d5c8f; --accent2:#4b86c4; --card:#fff; --max:72rem;
  --ok:#2f7d55;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.25rem}
header.site{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line);
}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:4rem}
.brand{display:flex;align-items:center;gap:.55rem;color:var(--fg);font-weight:650;letter-spacing:-.01em}
.brand:hover{text-decoration:none}
.mark{width:1.15rem;height:1.15rem;border-radius:4px;background:linear-gradient(135deg,var(--accent),var(--accent2))}
nav{display:flex;gap:1.15rem;font-size:.93rem;align-items:center}
nav a{color:var(--muted)}
nav a:hover{color:var(--fg)}
main{padding:3rem 0 4rem}
h1{font-size:2.3rem;line-height:1.15;letter-spacing:-.02em;margin:0 0 .7rem;max-width:22ch}
h2{font-size:1.25rem;letter-spacing:-.01em;margin:0 0 .55rem}
h3{font-size:1rem;margin:0 0 .4rem}
.lead{font-size:1.1rem;color:var(--muted);max-width:46rem;margin:0}
.eyebrow{
  text-transform:uppercase;letter-spacing:.09em;font-size:.74rem;font-weight:650;
  color:var(--accent);margin:0 0 .7rem
}
.hero{padding:1rem 0 2.2rem}
.grid{display:grid;gap:1rem;margin:2.6rem 0 0;grid-template-columns:repeat(auto-fit,minmax(17rem,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:1.25rem 1.35rem}
.card p{margin:0;color:var(--muted);font-size:.95rem}
.btn{display:inline-block;padding:.62rem 1.15rem;border-radius:7px;background:var(--accent);color:#fff;font-weight:550}
.btn:hover{text-decoration:none;opacity:.93}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--line)}
.section{margin-top:3.2rem}
.section > h2{font-size:1.5rem;margin-bottom:1.1rem}
.split{display:grid;gap:1.6rem;grid-template-columns:repeat(auto-fit,minmax(19rem,1fr));align-items:start}
.kv{list-style:none;padding:0;margin:0}
.kv li{padding:.55rem 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:1rem;font-size:.95rem}
.kv li:last-child{border-bottom:0}
.kv span:first-child{color:var(--muted)}
.pill{display:inline-block;padding:.12rem .5rem;border:1px solid var(--line);border-radius:999px;font-size:.78rem;color:var(--muted);background:var(--card)}
article.post{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:1.2rem 1.35rem;margin-bottom:1rem}
article.post time{color:var(--muted);font-size:.85rem}
.prose{color:var(--muted);max-width:44rem}
.prose h2{color:var(--fg);margin-top:2rem}
.prose code{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:.05rem .35rem;font-size:.88em;color:var(--fg)}
.table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:.95rem}
.table th,.table td{text-align:left;padding:.65rem .85rem;border-bottom:1px solid var(--line)}
.table th{background:#fbfcfd;font-weight:600;color:var(--muted);font-size:.86rem}
.table tr:last-child td{border-bottom:0}
form.stack{display:grid;gap:.85rem;max-width:30rem;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:1.35rem}
label{display:grid;gap:.3rem;font-size:.88rem;color:var(--muted)}
input,textarea,select{
  font:inherit;padding:.55rem .65rem;border:1px solid var(--line);border-radius:7px;
  background:var(--bg);color:var(--fg)
}
textarea{min-height:7rem;resize:vertical}
.note{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:8px;padding:1rem 1.15rem;color:var(--muted);margin:1.4rem 0}
footer{border-top:1px solid var(--line);background:var(--card);padding:2rem 0}
footer .cols{display:flex;flex-wrap:wrap;gap:2.5rem;justify-content:space-between}
footer h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.4rem;font-size:.93rem}
footer a{color:var(--muted)}
.bottom{border-top:1px solid var(--line);margin-top:1.8rem;padding-top:1.1rem;color:var(--muted);font-size:.85rem;display:flex;flex-wrap:wrap;gap:.8rem;justify-content:space-between}
.badge{display:inline-block;padding:.15rem .5rem;border-radius:5px;background:#eaf2fa;color:var(--accent);font-size:.78rem;font-weight:600}
@media (prefers-color-scheme: dark){
  :root{--bg:#101317;--fg:#e6eaef;--muted:#9aa6b2;--line:#232a31;--card:#161a1f;--accent:#7fb3e0;--accent2:#4b86c4;--ok:#57b083}
  header.site{background:rgba(16,19,23,.9)}
  .table th{background:#12161a}
  .badge{background:#172736}
}