body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #f9f9fc;
  color: #222;
  margin: 0;
  max-width: 800px;
  padding: 2em;
  margin-left: auto;
  margin-right: auto;
}
header {
  text-align: center;
  margin-bottom: 2em;
}
.tagline {
  font-size: 1.3em;
  color: #456;
}
section {
  margin-bottom: 2em;
}
h1, h2 {
  color: #32497f;
}
.cta-btn {
  display: inline-block;
  background: #3d77ee;
  color: #fff;
  padding: 0.7em 1.4em;
  font-weight: 500;
  border: none;
  border-radius: 4px;
  text-decoration: none;
}
footer {
  text-align: center;
  color: #888;
  font-size: 0.9em;
}
a {
  color: #3d77ee;
}