body {
  margin: 0;
  font-family: sans-serif;
  background: #111;
  color: #fff;
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

h1 {
  font-size: 40px;
  margin-bottom: 16px;
}

p {
  font-size: 20px;
  margin: 6px 0;
}

.sub {
  font-size: 14px;
  opacity: 0.7;
}