body {
  font-family: sans-serif;
  background: #f9fafb;
  color: #333;
  margin: 0;
  padding: 2rem;
}
main {
  max-width: 800px;
  margin: auto;
  text-align: center;
}
h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
p {
  font-size: 1rem;
  margin-bottom: 1.5rem;
}
.button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: #4f46e5;
  color: white;
  text-decoration: none;
  border-radius: 0.5rem;
  margin-bottom: 2rem;
}
.features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.features div {
  background: white;
  padding: 1rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}
footer {
  text-align: center;
  font-size: 0.9rem;
  color: #666;
  margin-top: 4rem;
}
footer a {
  color: #4f46e5;
}