body {
  background: #000;
  color: #fff;
  font-family: Inter, sans-serif;
  height: 100vh;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  transition: opacity 0.6s ease;
}

button {
  background: none;
  border: 1px solid #fff;
  color: #fff;
  padding: 12px 24px;
  margin-top: 30px;
  font-size: 16px;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  background: #fff;
  color: #000;
}

.fade {
  opacity: 1;
  transition: opacity 0.5s;
}