:root{
  --bg:#0B1020;
  --card:#0F172A;
  --text:#E5E7EB;
  --muted:#9CA3AF;
  --accent:#38BDF8;
  --accent-2:#22D3EE;
  --ring: rgba(56,189,248,0.35);
  --shadow: 0 10px 25px rgba(0,0,0,0.25);
  --radius: 18px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial;color:var(--text);
  background: radial-gradient(1200px 600px at 70% -10%, rgba(56,189,248,0.15), transparent 60%),
              radial-gradient(1000px 500px at -10% 0%, rgba(34,211,238,0.12), transparent 60%),
              var(--bg); line-height:1.6}
.container{max-width:1150px;margin:0 auto;padding:0 16px}
a{color:var(--accent);text-decoration:none} a:hover{text-decoration:underline}
button{font:inherit}
/* Header/Nav */
.nav{position:sticky;top:0;z-index:70;backdrop-filter: blur(10px);
  background: rgba(11,16,32,0.7);border-bottom:1px solid rgba(56,189,248,0.15)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px}
.brand span{font-weight:900;letter-spacing:.3px;color:#fff;font-size:18px}
.nav ul{display:flex;gap:14px;list-style:none;margin:0;padding:0;align-items:center;flex-wrap:wrap}
.nav a{padding:8px 12px;border-radius:999px}
.nav a:hover{background:rgba(56,189,248,0.12);text-decoration:none}
/* CTA buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color:#071019;padding:12px 16px;border:0;border-radius:999px;font-weight:800;
  box-shadow: var(--shadow); line-height:1; text-decoration:none; min-height:48px}
.btn:focus{outline:none;box-shadow:0 0 0 4px var(--ring)}
.btn--ghost{background:rgba(56,189,248,0.12);color:var(--text)}
.cta-row{display:flex;gap:10px;flex-wrap:wrap}
/* Layout */
.hero{padding:86px 0 56px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.h1{font-size:clamp(34px, 5vw, 56px);line-height:1.1;margin:0 0 12px;font-weight:900;letter-spacing:-.02em}
.sub{font-size:18px;color:var(--muted);max-width:60ch;margin-bottom:18px}
.hero-card{background:linear-gradient(180deg, rgba(15,23,42,0.85), rgba(15,23,42,0.6));
  border:1px solid rgba(56,189,248,0.15);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.badge{font-size:12px;border:1px solid rgba(56,189,248,0.25);padding:6px 10px;border-radius:999px;color:#BFE9FF}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:linear-gradient(180deg, rgba(15,23,42,0.92), rgba(15,23,42,0.75));
  border:1px solid rgba(56,189,248,0.15);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card h3{margin:0 0 8px}.card p{margin:0;color:#CBD5E1}
.section{padding:54px 0}.section h2{font-size:clamp(24px,3.5vw,36px);margin:0 0 16px}
.section .lead{color:var(--muted);max-width:68ch;margin-bottom:24px}
.list{display:grid;gap:10px}.list li{background:rgba(56,189,248,0.08);border:1px solid rgba(56,189,248,0.15);padding:10px 12px;border-radius:12px}
.footer{border-top:1px solid rgba(56,189,248,0.15);color:#A7C7DC;padding:18px 0 26px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px}
.notice{font-size:12px;color:#93B6CA}
/* Mobile CTA bar */
.mobile-cta{position:fixed;left:0;right:0;bottom:calc(env(safe-area-inset-bottom) + 12px);
  display:none;justify-content:center;gap:12px;z-index:80}
.mobile-cta .btn{min-width:42%;}
/* Responsive */
@media(max-width:1100px){.grid-4{grid-template-columns:1fr 1fr}.hero .wrap{grid-template-columns:1fr}}
@media(max-width:760px){
  .grid-3{grid-template-columns:1fr}
  .nav ul .btn{display:none} /* hide header CTAs, use sticky bar */
  .mobile-cta{display:flex}
}