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

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  color: #1a1a1a;
  background: #fff;
}

main {
  max-width: 960px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 2rem 1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

h1 {
  margin: 0 0 0.5rem;
  font-size: 2.5rem;
}

p {
  margin: 0;
  font-size: 1.25rem;
  color: #555;
}