/* ANIMATIONS & EFFECTS FOR SOUND CLOUD DOWNLOADER */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes wave-bounce {
  0%, 100% { height: 10px; opacity: 0.6; }
  50% { height: 45px; opacity: 1; }
}

@keyframes spin-pulse {
  0% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(180deg) scale(1.1); }
  100% { transform: rotate(360deg) scale(1); }
}

@keyframes pulseGlow {
  0% { box-shadow: 0 0 0 0 rgba(255, 85, 0, 0.4); }
  70% { box-shadow: 0 0 0 15px rgba(255, 85, 0, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 85, 0, 0); }
}

.pulse-glow {
  animation: pulseGlow 2.5s infinite;
}

/* Ripple button effect */
.btn-ripple {
  position: relative;
  overflow: hidden;
}
.ripple-circle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  transform: scale(0);
  animation: ripple-anim 0.6s linear;
  pointer-events: none;
}
@keyframes ripple-anim {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* Hover Floating Animation */
.float-hover {
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.float-hover:hover {
  transform: translateY(-8px) scale(1.02);
}

/* Glassmorphic Shine Effect */
.shine-effect {
  position: relative;
  overflow: hidden;
}
.shine-effect::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -60%;
  width: 20%;
  height: 200%;
  background: rgba(255, 255, 255, 0.4);
  transform: rotate(30deg);
  transition: all 0.7s cubic-bezier(0.19, 1, 0.22, 1);
}
.shine-effect:hover::after {
  left: 140%;
}