/**
 * Nordiska Varuhuset — Base Animations
 *
 * Foundational reveal + reusable keyframes used across the theme.
 * Complements the HeroUI premium layer in style.css.
 *
 * @package NordiskaVaruhuset
 * @version 3.0.0
 */

/* =================================================================
 * 1. SCROLL REVEAL
 * ================================================================= */
.nv-reveal {
  opacity: 0;
  transform: translate3d(0, 24px, 0) scale(0.985);
  filter: blur(4px);
  transition:
    opacity 0.72s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.72s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.72s cubic-bezier(0.22, 1, 0.36, 1);
}

.nv-reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  filter: blur(0);
}

/* =================================================================
 * 2. KEYFRAMES — used by heroui-enhancements.js & components
 * ================================================================= */

/* Button ripple (click feedback) */
@keyframes nv-ripple {
  0% {
    transform: scale(0);
    opacity: 0.35;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

/* Counter bump (cart badge update) */
@keyframes nv-counter-bump {
  0%   { transform: scale(1); }
  30%  { transform: scale(1.25); }
  60%  { transform: scale(0.95); }
  100% { transform: scale(1); }
}

/* Skeleton / shimmer (lazy-load placeholder) */
@keyframes nv-shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Toast notification */
@keyframes nv-toast-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Fade in (generic) */
@keyframes nv-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Bounce (attention) */
@keyframes nv-bounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

/* Spin (loading) */
@keyframes nv-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* Shake (error) */
@keyframes nv-shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}

/* =================================================================
 * 3. UTILITY CLASSES
 * ================================================================= */

/* Ripple container (applied by JS) */
.nv-ripple-effect {
  position: absolute;
  border-radius: 50%;
  background: rgba(191, 245, 73, 0.25);
  pointer-events: none;
  animation: nv-ripple 0.55s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* Cart badge bump (applied by JS) */
.nv-counter-bump {
  animation: nv-counter-bump 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Image lazy-load transition */
.nv-img-loading {
  opacity: 0;
  filter: blur(6px);
  transition: opacity 0.5s ease, filter 0.5s ease;
}

.nv-img-loaded {
  opacity: 1;
  filter: blur(0);
}

/* Skeleton placeholder */
.nv-skeleton {
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.04) 50%, transparent 100%);
  background-size: 200% 100%;
  animation: nv-shimmer 1.8s ease-in-out infinite;
}

/* Spinner */
.nv-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(191, 245, 73, 0.2);
  border-top-color: var(--nv-accent, #BFF549);
  border-radius: 50%;
  animation: nv-spin 0.7s linear infinite;
}

/* =================================================================
 * 4. REDUCED MOTION
 * ================================================================= */
@media (prefers-reduced-motion: reduce) {
  .nv-reveal {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }

  .nv-ripple-effect,
  .nv-counter-bump,
  .nv-skeleton,
  .nv-spinner {
    animation: none !important;
  }

  .nv-img-loading {
    opacity: 1;
    filter: none;
    transition: none;
  }
}