body {
  margin: 0;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  color: #eeeeee;
  font-family: 'Roboto', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  flex-direction: column;
  text-align: center;
}
h1 {
  font-size: 3rem;
  margin-bottom: 0.5em;
}
p {
  font-size: 1.2rem;
  opacity: 0.8;
}
.gear {
  font-size: 4rem;
  animation: spin 3s linear infinite;
  margin-bottom: 1em;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}