:root{
  --navy:#0B1226; --navy-2:#101B33; --deep:#1E3A8A; --blue:#2563EB;
  --teal:#0D9488; --teal-b:#2DD4BF;
  --ink:#0F172A; --slate:#475569; --muted:#64748B; --faint:#94A3B8;
  --bg:#FFFFFF; --bg-soft:#F6F8FC; --line:#E5EAF3;
  --maxw:760px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topnav{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:68px;padding:0 24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--ink)}
.site-brand-logo{height:34px;width:auto;display:block}
.brand:hover{text-decoration:none}
.topnav .right{display:flex;gap:18px;align-items:center}
.topnav .right a{color:var(--slate);font-weight:500;font-size:14px}
.btn{display:inline-flex;align-items:center;font-weight:600;font-size:14px;padding:10px 18px;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--deep));color:#fff}
.btn:hover{text-decoration:none;opacity:.95}
main{max-width:var(--maxw);margin:0 auto;padding:48px 24px 96px}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--teal);margin-bottom:8px}
h1{font-size:clamp(32px,5vw,42px);font-weight:800;letter-spacing:-.025em;margin-bottom:10px}
.updated{color:var(--muted);font-size:14px;margin-bottom:28px}
section{padding:28px 0;border-top:1px solid var(--line)}
section:first-of-type{border-top:none;padding-top:0}
h2{font-size:22px;font-weight:700;margin-bottom:10px;scroll-margin-top:84px}
p,li{color:var(--slate);margin-bottom:10px}
ul,ol{margin:0 0 14px 22px}
strong{color:var(--ink)}
.callout{background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:16px 0;font-size:15px}
footer{background:var(--navy);color:#8FA0BD;font-size:13px;padding:32px 24px;text-align:center}
footer a{color:#B7C4DC;margin:0 10px}
footer a:hover{color:#fff;text-decoration:none}