:root{
  --ink:#16202e; --muted:#5b6b7f; --line:#e3e9f0; --brand:#2563eb; --brand-dark:#1d4fc4;
  --bg:#ffffff; --soft:#f4f7fb;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.site-header{border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:10}
.nav-row{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--ink)}
.brand:hover{text-decoration:none}
.nav a{margin-left:22px;color:var(--ink);font-size:15px}
.nav a.active{color:var(--brand);font-weight:600}
.nav-toggle{display:none;background:none;border:0;font-size:22px;cursor:pointer}
.hero{background:linear-gradient(180deg,#eef4ff, #ffffff);padding:72px 0 48px}
.hero h1{font-size:42px;line-height:1.15;margin:0 0 16px;max-width:640px}
.lead{font-size:19px;color:var(--muted);max-width:640px}
.btn{display:inline-block;background:var(--brand);color:#fff;padding:11px 22px;border-radius:8px;font-weight:600;margin-right:10px}
.btn:hover{background:var(--brand-dark);text-decoration:none}
.btn.ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.stats{display:flex;gap:40px;margin-top:44px;flex-wrap:wrap}
.stats div{display:flex;flex-direction:column}
.stats strong{font-size:30px;color:var(--ink)}
.stats span{color:var(--muted);font-size:14px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;padding:48px 20px}
.card{border:1px solid var(--line);border-radius:12px;padding:24px;background:#fff}
.card h2{margin-top:0;font-size:20px}
.split{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;padding:12px 20px 56px}
.quote{background:var(--soft);border-radius:12px;padding:24px;align-self:start}
.quote blockquote{margin:0;font-size:17px}
.attrib{color:var(--muted);font-size:14px}
.page{padding:40px 20px 60px}
.page h1{font-size:34px}
.page section{margin-bottom:32px}
.site-footer{border-top:1px solid var(--line);margin-top:20px}
.foot-row{display:flex;justify-content:space-between;flex-wrap:wrap;color:var(--muted);font-size:14px;padding-top:8px;padding-bottom:8px}
@media (max-width:720px){
  .nav{display:none;flex-direction:column;position:absolute;top:64px;right:0;background:#fff;border:1px solid var(--line);padding:12px 20px}
  .nav.open{display:flex}
  .nav a{margin:8px 0}
  .nav-toggle{display:block}
  .hero h1{font-size:32px}
  .split{grid-template-columns:1fr}
}