body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2d0b4e, #6b21a8, #a855f7);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #fff;
}
.container {
  text-align: center;
  padding: 3rem;
}
.octopus {
  font-size: 5rem;
  animation: bob 2.5s ease-in-out infinite;
}
h1 {
  font-size: 2.75rem;
  margin: 1rem 0 0.5rem;
  text-shadow: 0 2px 12px rgba(0,0,0,0.35);
}
p {
  font-size: 1.1rem;
  opacity: 0.85;
}
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}