body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f9f9f9;
  color: #222;
  text-align: center;
  padding: 10vh 2rem;
  margin: 0;
}

h1 {
  font-size: 3em;
  margin-bottom: 0.3em;
}

p {
  font-size: 1.2em;
  color: #555;
  max-width: 800px;
  margin: 0 auto;
}

footer {
  margin-top: 4em;
  font-size: 0.9em;
  color: #999;
}