/* ==========================================================================
   PAWWELLE - Scroll & Micro-interaction Animations
   Using CSS & Intersection Observer API
   ========================================================================== */

/* Base hidden state for animated elements */
.reveal, .reveal-up {
  opacity: 0;
  transform: translateY(32px);
  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-left {
  opacity: 0;
  transform: translateX(-36px);
  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-right {
  opacity: 0;
  transform: translateX(36px);
  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-fade {
  opacity: 0;
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity;
}

/* Active visible state when in viewport */
.reveal.is-visible,
.reveal-up.is-visible,
.reveal-left.is-visible,
.reveal-right.is-visible,
.reveal-fade.is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* Stagger item delays */
.stagger-item:nth-child(1) { transition-delay: 0.05s; }
.stagger-item:nth-child(2) { transition-delay: 0.12s; }
.stagger-item:nth-child(3) { transition-delay: 0.19s; }
.stagger-item:nth-child(4) { transition-delay: 0.26s; }
.stagger-item:nth-child(5) { transition-delay: 0.33s; }
.stagger-item:nth-child(6) { transition-delay: 0.40s; }

/* Micro-animations */
.hover-lift {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
}

.pulse-subtle {
  animation: pulseSubtle 3s infinite;
}

@keyframes pulseSubtle {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); }
}

/* Reduced Motion Mode Accessibility */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-up, .reveal-left, .reveal-right, .reveal-fade, .stagger-item {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}