* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: #111;
}

h1 {
  font-size: 3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}