body {
  background-color: #0d0d0d;
  color: #ffffff;
  font-family: 'Helvetica Neue', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  text-align: center;
  padding: 1rem;
}

.container {
  max-width: 700px;
}

h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.tagline {
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

.hints p {
  font-style: italic;
  color: #cccccc;
  margin: 0.5rem 0;
}

.footer {
  margin-top: 3rem;
  font-size: 0.9rem;
  color: #777;
}