/* Animations and Utility Classes */

@keyframes pulse {
  0%, 100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.15;
  }
}

/* Animation utilities applied by JS */

.js-fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1.2s cubic-bezier(0.22, 1, 0.36, 1), transform 1.2s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform, opacity;
}

.js-fade-in-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.js-fade-in {
  opacity: 0;
  transition: opacity 1.2s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity;
}

.js-fade-in.is-visible {
  opacity: 1;
}

.js-fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 1.2s cubic-bezier(0.22, 1, 0.36, 1), transform 1.2s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform, opacity;
}

.js-fade-in-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.js-scale-in {
  opacity: 0;
  transform: scale(0.95);
  transform-origin: center;
  transition: opacity 1.2s cubic-bezier(0.22, 1, 0.36, 1), transform 1.2s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform, opacity;
}

.js-scale-in.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* Layout animations for products filter */
.product-card {
  transition: opacity 1s cubic-bezier(0.22, 1, 0.36, 1), transform 1s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform, opacity;
}

.product-card.is-hidden {
  display: none;
}

/* Page load fade-in handled in JS, but ensure base state is smooth */
.app-container {
  will-change: transform, opacity;
}

@media (prefers-reduced-motion: reduce) {
  .js-fade-in-up,
  .js-fade-in,
  .js-fade-in-left,
  .js-scale-in {
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
    will-change: auto !important;
  }

  .app-container {
    will-change: auto !important;
    transform: none !important;
    opacity: 1 !important;
  }
}