/* ==========================================================================
   AZUSA PRODUCTIONS - KEYFRAME ANIMATIONS & JS EFFECTS
   ========================================================================== */

/* Fade In */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Slide Up */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Slide In Left */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Green Live Indicator Pulse */
@keyframes pulseGreen {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    transform: scale(1.1);
    box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

/* WhatsApp / Signal Ring Pulse */
@keyframes signalRing {
  0% {
    transform: scale(0.85);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.3);
    opacity: 0.2;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

/* Marquee Continuous Infinite Scroll */
@keyframes marqueeScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Audio Sound Bars Equalizer Animation */
@keyframes soundEqualizer {
  0% {
    height: 4px;
  }
  50% {
    height: 18px;
  }
  100% {
    height: 4px;
  }
}

.sound-bar {
  display: inline-block;
  width: 3px;
  background: var(--blue-bright);
  border-radius: 1px;
  animation: soundEqualizer 1.2s ease-in-out infinite alternate;
}

.sound-bar:nth-child(1) { animation-delay: 0.1s; }
.sound-bar:nth-child(2) { animation-delay: 0.4s; }
.sound-bar:nth-child(3) { animation-delay: 0.2s; }
.sound-bar:nth-child(4) { animation-delay: 0.6s; }
.sound-bar:nth-child(5) { animation-delay: 0.3s; }

/* Scroll Reveal Classes */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Glowing Light Beam effect */
.light-beam {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, rgba(0, 163, 255, 0.4), transparent);
  pointer-events: none;
}