body {
  font-family: system-ui, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f7f7f7;
  color: #333;
  line-height: 1.6;
}

header {
  background-color: #e3e3e3;
  text-align: center;
  padding: 2rem 1rem;
}

h1 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: 1px;
}

.tagline {
  font-style: italic;
  color: #666;
  margin-top: 0.5rem;
}

section {
  max-width: 700px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

h2 {
  color: #444;
  border-bottom: 1px solid #ccc;
  padding-bottom: 0.25rem;
}

ul {
  list-style-type: disc;
  margin-left: 1.5rem;
}

a {
  color: #444;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.85rem;
  background-color: #f0f0f0;
  color: #777;
}