:root {
  --text:#111;
  --muted:#555;
  --border:#e3e3e3;
  --accent:#000;
  --bg:#fff;
}

* { box-sizing:border-box; }

body {
  margin:0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.45;
}

.top {
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:14px 20px;
  border-bottom:1px solid var(--border);
  font-weight:600;
}

.top-cta {
  text-decoration:none;
  background:var(--accent);
  color:#fff;
  padding:8px 14px;
  border-radius:4px;
  font-size:0.95rem;
}

main {
  max-width:960px;
  margin:40px auto;
  padding:0 20px 40px;
}

.hero {
  text-align:center;
  padding:30px 20px 20px;
  border-bottom:1px solid var(--border);
}

h1 {
  font-size:2.3rem;
  margin-bottom:10px;
}

.sub {
  color:var(--muted);
  margin:6px 0;
}

.hero-cta {
  display:inline-block;
  margin-top:18px;
  background:var(--accent);
  color:#fff;
  text-decoration:none;
  padding:14px 22px;
  font-weight:600;
  border-radius:4px;
  font-size:1.1rem;
}

.cards {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:18px;
  margin-top:36px;
}

.card {
  border:1px solid var(--border);
  padding:18px;
}

.card h2 {
  margin-top:0;
}

.final {
  text-align:center;
  margin-top:40px;
  padding-top:30px;
  border-top:1px solid var(--border);
}

footer {
  border-top:1px solid var(--border);
  padding:20px;
  font-size:0.85rem;
  color:var(--muted);
  text-align:center;
}

footer a {
  color:var(--muted);
  text-decoration:none;
}