/* ============================================
   Typing Kids Indonesia — Animations
   Soft, delightful, 60fps-friendly
   ============================================ */

@keyframes cloud-drift {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(calc(100vw + 200px));
  }
}

@keyframes bird-fly {
  0% {
    transform: translateX(0) translateY(0);
  }
  50% {
    transform: translateX(55vw) translateY(-12px);
  }
  100% {
    transform: translateX(calc(100vw + 120px)) translateY(4px);
  }
}

@keyframes float-gentle {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes float-idle {
  0%,
  100% {
    transform: translateY(0) rotate(-1deg);
  }
  50% {
    transform: translateY(-8px) rotate(1deg);
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes glow-pulse {
  0%,
  100% {
    box-shadow:
      0 0 0 3px rgba(255, 217, 77, 0.4),
      0 4px 12px rgba(255, 217, 77, 0.2);
  }
  50% {
    box-shadow:
      0 0 0 5px rgba(255, 217, 77, 0.55),
      0 6px 18px rgba(255, 217, 77, 0.3);
  }
}

@keyframes letter-pop {
  0% {
    transform: scale(1);
  }
  40% {
    transform: scale(1.25);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  20% {
    transform: translateX(-6px);
  }
  40% {
    transform: translateX(6px);
  }
  60% {
    transform: translateX(-4px);
  }
  80% {
    transform: translateX(4px);
  }
}

@keyframes praise-pop {
  0% {
    transform: scale(0.4);
    opacity: 0;
  }
  60% {
    transform: scale(1.12);
    opacity: 1;
  }
  100% {
    transform: scale(1);
  }
}

@keyframes celebrate-bounce {
  0%,
  100% {
    transform: scale(1);
  }
  30% {
    transform: scale(1.12) rotate(-3deg);
  }
  50% {
    transform: scale(1.08) rotate(3deg);
  }
  70% {
    transform: scale(1.1) rotate(-1deg);
  }
}

@keyframes image-enter {
  0% {
    opacity: 0;
    transform: scale(0.7) translateY(12px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Utility animation classes */
.float-idle {
  animation: float-idle 3.2s ease-in-out infinite;
}

.image-enter {
  animation: image-enter 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.shake {
  animation: shake 0.35s ease;
}

.fade-in {
  animation: fade-in 0.4s ease both;
}

.celebrate-bounce {
  animation: celebrate-bounce 0.7s ease;
}

@media (prefers-reduced-motion: reduce) {
  .float-idle,
  .image-enter,
  .shake,
  .celebrate-bounce {
    animation: none !important;
  }
}