body {
  font-family: system-ui, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #fafafa;
  color: #333;
}

header, footer {
  background-color: #f5f5f5;
  text-align: center;
  padding: 1rem;
  border-bottom: 1px solid #ddd;
}

footer {
  border-top: 1px solid #ddd;
  border-bottom: none;
}

h1, h2 {
  color: #2c3e50;
}

main {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

section {
  margin-bottom: 2rem;
}

ol {
  padding-left: 1.5rem;
}

.cta-button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: #0073aa;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

.cta-button:hover {
  background-color: #005177;
}