:root{
  --bg:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --border:#e5e7eb;
  --card:#ffffff;
  --shadow: 0 10px 25px rgba(17,24,39,.08);
  --primary:#1d4ed8;
  --primary2:#1e40af;
  --max: 1040px;
  --radius: 14px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";
  background:var(--bg);
  color:var(--text);
  line-height:1.5;
}
a{color:inherit}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-999px;top:10px;background:#000;color:#fff;padding:8px 10px;border-radius:10px}
.skip-link:focus{left:10px;z-index:999}
.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:700;letter-spacing:.08em;text-decoration:none;font-size:18px}
.nav-toggle{display:none;border:1px solid var(--border);background:#fff;padding:8px 10px;border-radius:10px;font-weight:600}
.nav-list{display:flex;gap:18px;list-style:none;padding:0;margin:0}
.nav-list a{text-decoration:none;color:var(--muted);font-weight:600}
.nav-list a:hover{color:var(--text)}
.hero{padding:64px 0 40px;background:linear-gradient(#ffffff,#f9fafb)}
.hero-inner{text-align:center}
.hero h1{margin:0 auto;font-size:42px;letter-spacing:-.02em;max-width:740px}
.hero-sub{margin:14px auto 22px;max-width:760px;color:var(--muted);font-size:18px}
.hero-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;background:linear-gradient(180deg,var(--primary),var(--primary2));color:#fff;padding:14px 20px;border-radius:12px;text-decoration:none;font-weight:700;box-shadow:0 12px 28px rgba(29,78,216,.22)}
.btn:hover{filter:brightness(1.03)}
.section{padding:44px 0}
.section-divider{border-top:1px solid var(--border);background:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:16px}
.section h2{margin:0;font-size:20px;letter-spacing:-.01em}
.muted{color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:16px}
.card{border:1px solid var(--border);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow);padding:18px;display:flex;align-items:flex-end;justify-content:space-between;gap:10px;min-height:116px}
.card-title{margin:0;font-size:18px}
.card-desc{margin:6px 0 0;color:var(--muted)}
.card-link{text-decoration:none;color:var(--primary2);font-weight:800;white-space:nowrap}
.card-link:hover{text-decoration:underline}
.partnerships-block{text-align:center;padding:18px 0}
.email{display:inline-block;margin-top:10px;color:var(--primary2);font-weight:800;text-decoration:none}
.email:hover{text-decoration:underline}
.page-hero{padding:46px 0 12px;background:linear-gradient(#ffffff,#f9fafb);border-bottom:1px solid var(--border)}
.page-hero h1{margin:0;font-size:34px;letter-spacing:-.02em}
.prose{max-width:760px}
.prose h2{margin:26px 0 10px}
.prose p,.prose li{color:#1f2937}
.note{margin-top:18px;border:1px dashed var(--border);padding:14px;border-radius:12px;color:var(--muted);background:#fcfcfd}
.site-footer{border-top:1px solid var(--border);background:#fff;padding:28px 0}
.footer-inner{display:flex;flex-direction:column;gap:14px}
.footer-top{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.footer-title{font-weight:800;letter-spacing:.04em}
.footer-sub{color:var(--muted);margin-top:4px}
.footer-label{color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.footer-email{text-decoration:none;font-weight:800;color:var(--primary2)}
.footer-email:hover{text-decoration:underline}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-links a{color:var(--muted);text-decoration:none;font-weight:700}
.footer-links a:hover{color:var(--text)}
.footer-bottom{color:var(--muted);font-size:13px}
@media (max-width:760px){
  .hero h1{font-size:32px}
  .grid{grid-template-columns:1fr}
  .nav-toggle{display:inline-flex}
  .nav-list{display:none;position:absolute;right:20px;top:64px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:10px;flex-direction:column;gap:8px;box-shadow:var(--shadow);min-width:200px}
  .nav-list.open{display:flex}
}