body {
  margin: 0;
  padding: 0;
  color: white;
  text-align: center;
  font-family: 'Poppins', sans-serif;
  overflow: hidden;
}
.page1 {
  background: url('https://i.ibb.co/5MZ1L4F/gusion-1111.jpg') no-repeat center center/cover;
}
.page2 {
  background: radial-gradient(circle at center, #180026, #000);
}
.page3 {
  background: radial-gradient(circle at center, #0a0016, #000);
}
.fade-in {
  animation: fadeIn 2s ease-in-out;
}
@keyframes fadeIn {
  from {opacity: 0;}
  to {opacity: 1;}
}
.glow-btn {
  background: #6c00ff;
  border: none;
  color: white;
  padding: 15px 30px;
  font-size: 18px;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 0 20px #6c00ff;
  transition: transform 0.2s, box-shadow 0.2s;
}
.glow-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 30px #a64dff;
}
.hidden {
  display: none;
}
.chest {
  width: 200px;
  margin-top: 40px;
  transition: transform 1s ease, filter 1s ease;
}
.retri {
  width: 150px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  animation: floatUp 2s ease forwards;
}
@keyframes floatUp {
  0% {opacity: 0; transform: translate(-50%, -30%) scale(0.8);}
  100% {opacity: 1; transform: translate(-50%, -100%) scale(1);}
}