:root{
  --bg:#0f1624;
  --ink:#111827;
  --ink-2:#374151;
  --ink-3:#6b7280;
  --card:#ffffff;
  --line:#e5e7eb;
  --brand:#0f172a;
  --accent:#0ea5e9;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";color:var(--ink);line-height:1.6;background:#f7f8fb}
.header{background:linear-gradient(180deg,#ffffff 0%,#f7f8fb 100%);border-bottom:1px solid var(--line)}
.nav{max-width:1120px;margin:0 auto;padding:16px 20px;display:flex;align-items:center;justify-content:space-between}
.nav a{color:var(--ink);text-decoration:none;font-weight:600}
.nav img{display:block;height:42px;margin-bottom:-4px}
.hero{max-width:1120px;margin:24px auto;padding:0 20px 24px 20px;display:grid;grid-template-columns:1.1fr 0.9fr;gap:28px}
.hero h1{font-size:42px;line-height:1.15;margin:8px 0 12px 0;color:#0f1624}
.hero p{font-size:18px;color:var(--ink-2);margin:0 0 16px 0}
.ctas{display:flex;gap:12px;flex-wrap:wrap}
.btn{appearance:none;border:none;padding:12px 18px;border-radius:12px;font-weight:700;cursor:pointer}
.btn-primary{background:var(--brand);color:#fff}
.btn-secondary{background:#e5e7eb;color:#111827}
.hero img{width:100%;border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,0.12)}
.section{max-width:1120px;margin:24px auto;padding:0 20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 10px 24px rgba(15,23,42,0.04)}
.card h3{margin:8px 0 8px 0}
.small{color:var(--ink-3);font-size:14px}
.footer{border-top:1px solid var(--line);margin-top:40px;background:#fff}
.footer-inner{max-width:1120px;margin:0 auto;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap}
.demo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}
.demo-grid img{width:100%;border-radius:14px;border:1px solid var(--line)}
.kicker{letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-size:12px;font-weight:700}
@media (max-width: 900px){.hero{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr}.demo-grid{grid-template-columns:1fr}}
a.under{color:var(--ink-2);text-decoration:underline}
.notice{font-size:13px;color:var(--ink-3);margin-top:12px}
input,textarea{font:inherit}

/* Mobile sticky CTA */
.sticky-cta{
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 1000;
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  padding: 12px 16px;
  border-radius: 999px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
  font-weight: 700;
}
@media (min-width: 901px){
  .sticky-cta{display:none}
}