.starry-container {
  position: relative;
  width: 100%;
  height: 425px;
  border-radius: 0;
  overflow: hidden;
  background: #000;
}

.background-layer {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image: url('mage.png');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  z-index: 0;
  pointer-events: none;
}

.starry-container::before {
  content: '';
  position: absolute;
  inset: 0;
  background: #0F3460;
  opacity: 0.4;
  z-index: 1;
  pointer-events: none;
}

.fog-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26,26,46,0.4) 0%,
    rgba(22,33,62,0.3) 50%,
    rgba(15,52,96,0.4) 100%
  );
  z-index: 2;
  pointer-events: none;
}

.moon {
  position: absolute;
  top: 50px; right: 80px;
  width: 80px; height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fff 0%, #e6e6e6 70%);
  box-shadow: inset -5px -5px 15px rgba(200,200,200,0.3);
  z-index: 4;
}
.moon::before, .moon::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(180,180,180,0.4);
}
.moon::before {
  top: 20px; left: 15px;
  width: 8px; height: 8px;
}
.moon::after {
  top: 35px; right: 20px;
  width: 12px; height: 12px;
  background: rgba(180,180,180,0.3);
}

.stars {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
}
.star {
  position: absolute;
  background: white;
  border-radius: 50%;
  opacity: 0;
}
.star.small  { width: 1px;  height: 1px; }
.star.medium { width: 2px;  height: 2px; }
.star.large  { width: 3px;  height: 3px; }

.star.twinkle-1 { animation: twinkle1 3s infinite; }
.star.twinkle-2 { animation: twinkle2 4s infinite; }
.star.twinkle-3 { animation: twinkle3 5s infinite; }

@keyframes twinkle1 {
  0%,100% { opacity: 0.3; } 50% { opacity: 1; }
}
@keyframes twinkle2 {
  0%,100% { opacity: 0.5; } 25% { opacity: 0.2; } 75% { opacity: 1; }
}
@keyframes twinkle3 {
  0%,100% { opacity: 0.4; } 33% { opacity: 1; } 66% { opacity: 0.1; }
}

.overlay {
  position: absolute;
  inset: 0;
  background: #ede9e1;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
}
.activate-btn {
  padding: 12px 24px;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: linear-gradient(145deg,#f0f0f0,#d1d1d1);
  border: 2px solid #c0c0c0;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.activate-btn:hover {
  background: linear-gradient(145deg,#e8e8e8,#c8c8c8);
}
.activate-btn:active {
  transform: translateY(1px);
}

@media (max-width: 768px) {
  .starry-container {
    height: 300px;
  }
}