body {
  font-family: Arial, sans-serif;
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: #0f172a;
  color: #f8fafc;
}

.container {
  text-align: center;
  padding: 2rem;
}

h1 {
  margin: 0 0 0.5rem;
}

p {
  margin: 0;
  opacity: 0.85;
}