/* =============================
   ✨ LuxiClass Gold Twinkling Sparkle Bubbles
============================= */
@keyframes floatTwinkle {
  0% {
    transform: translateY(0) scale(0.8);
    opacity: 0.7;
  }
  50% {
    transform: translateY(-50vh) scale(1.2);
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) scale(1.6);
    opacity: 0;
  }
}

.sparkle-bubble {
  position: fixed;
  bottom: -10px;
  width: 6px;
  height: 6px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.8) 0%, rgba(255, 255, 255, 0.4) 50%, transparent 80%);
  border-radius: 50%;
  opacity: 0.8;
  animation: floatTwinkle 6s ease-in infinite;
  z-index: 9999;
  pointer-events: none;
  box-shadow:
    0 0 6px rgba(255, 215, 0, 0.5),
    0 0 12px rgba(255, 255, 255, 0.3),
    0 0 20px rgba(255, 223, 100, 0.2);
}

/* Optional burst effect (subtle scale flash) */
.sparkle-bubble::after {
  content: "";
  position: absolute;
  top: -5px;
  left: -5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3), transparent 70%);
  opacity: 0.4;
  transform: scale(0);
  animation: bubbleBurst 6s ease-in-out infinite;
}

@keyframes bubbleBurst {
  0% { transform: scale(0); opacity: 0.2; }
  50% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(0); opacity: 0; }
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .sparkle-bubble {
    width: 4px;
    height: 4px;
    animation-duration: 8s;
  }
}