:root{
  --ink:#101828; --muted:#475467; --line:#E4E7EC; --bg:#FFFFFF;
  --deep:#0B1F33; --deep2:#123A5E; --accent:#2E6FF2; --wash:#F5F8FC;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:760px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:-.2px;color:var(--ink);font-size:15px}
.brand:hover{text-decoration:none}
.mark{width:16px;height:16px;border-radius:4px;background:
  linear-gradient(135deg,var(--accent) 0%,var(--deep2) 100%);
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.65)}
.nav nav a{margin-left:22px;color:var(--muted);font-size:14px;font-weight:500}
.nav nav a:hover{color:var(--ink);text-decoration:none}
@media(max-width:640px){.nav nav a{margin-left:14px;font-size:13px}}

/* ---------- hero ---------- */
.hero{background:linear-gradient(180deg,#0B1F33 0%,#123A5E 100%);color:#fff;padding:76px 0 64px}
.eyebrow{margin:0 0 14px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#8FB6E8}
.hero h1{margin:0 0 18px;font-size:clamp(28px,4.6vw,46px);line-height:1.14;letter-spacing:-1px;font-weight:800}
.lede{margin:0 0 28px;max-width:62ch;font-size:17px;color:#C9DAEE}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:40px}
.btn{display:inline-block;padding:11px 20px;border-radius:8px;background:var(--accent);color:#fff;
  font-size:14px;font-weight:600;border:1px solid transparent}
.btn:hover{text-decoration:none;filter:brightness(1.06)}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.stats{list-style:none;display:flex;flex-wrap:wrap;gap:26px;margin:0;padding:22px 0 0;border-top:1px solid rgba(255,255,255,.16)}
.stats li{font-size:13px;color:#A9C4E2}
.stats b{display:block;font-size:19px;color:#fff;letter-spacing:-.3px}

/* ---------- sections ---------- */
.section{padding:64px 0}
.section.alt{background:var(--wash);border-block:1px solid var(--line)}
.section h2{margin:0 0 26px;font-size:24px;letter-spacing:-.5px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 20px}
.card h3{margin:0 0 8px;font-size:16px}
.card p{margin:0;color:var(--muted);font-size:14px}
.card .dl{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);font-size:12px;color:var(--muted);
  display:flex;justify-content:space-between;gap:10px}
.card .dl code{font-size:12px;color:var(--ink);background:var(--wash);padding:2px 6px;border-radius:5px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.more{margin:26px 0 0}

/* ---------- notes list ---------- */
.notes{margin:0;padding-left:22px;color:var(--muted)}
.notes li{margin-bottom:10px}
.notes b{color:var(--ink)}

/* ---------- table ---------- */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:820px}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--wash);font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
tr:last-child td{border-bottom:0}
td code,th code{font-size:12px;background:var(--wash);padding:2px 6px;border-radius:5px}
td a{font-weight:600}
.tiny{font-size:12px;color:var(--muted)}

/* ---------- prose ---------- */
.page{padding:64px 0}
.page h1{margin:6px 0 24px;font-size:34px;letter-spacing:-.8px}
.page h2{margin:34px 0 12px;font-size:19px}
.page p,.page li{color:var(--muted)}
.page b{color:var(--ink)}
.kv{display:grid;grid-template-columns:150px 1fr;gap:8px 18px;margin:18px 0 6px;font-size:15px}
.kv dt{color:var(--ink);font-weight:600}
.kv dd{margin:0;color:var(--muted)}
@media(max-width:560px){.kv{grid-template-columns:1fr}}

footer{border-top:1px solid var(--line);padding:34px 0;background:#fff}
footer p{margin:0 0 6px;font-size:13px;color:var(--muted)}
footer .fine{font-size:12px;color:#98A2B3}