body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #fff;
  color: #111;
  line-height: 1.6;
}
header {
  background: #f0f8ff;
  padding: 20px;
  text-align: center;
}
.cta-button {
  display: inline-block;
  padding: 10px 20px;
  background: #28a745;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  margin-top: 15px;
}
.features, .testimonials, .faq {
  padding: 20px;
  max-width: 800px;
  margin: auto;
}
footer {
  text-align: center;
  padding: 10px;
  background: #eee;
  font-size: 0.9em;
}