*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f9f9f7;
  color: #1a1a1a;
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

main {
  max-width: 480px;
  padding: 2rem;
  text-align: center;
}

h1 {
  font-size: 2rem;
  font-weight: 600;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

p {
  font-size: 1.1rem;
  color: #555;
  line-height: 1.6;
  margin: 0;
}