/* ==========================================================================
   INTEGRITY AUTO GROUP - ANIMATIONS & MICRO-INTERACTIONS
   60fps Smooth Transitions & Accessible Reduced Motion
   ========================================================================== */

/* 1. Scroll Reveal Animations */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered Delay Helpers */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* 2. Keyframes */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heartPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.35); }
  100% { transform: scale(1); }
}

.btn-favourite.anim-pop {
  animation: heartPop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

.is-invalid {
  animation: inputShake 0.4s ease;
  border-color: var(--color-accent, #C8102E) !important;
}

@keyframes checkmarkPop {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  70% {
    transform: scale(1.2);
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.checkmark-icon {
  animation: checkmarkPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Skeleton Loading Shimmer */
@keyframes shimmer {
  0% { background-position: -468px 0; }
  100% { background-position: 468px 0; }
}

.skeleton {
  background: #EDEDED;
  background-image: linear-gradient(to right, #EDEDED 0%, #F7F7F7 20%, #EDEDED 40%, #EDEDED 100%);
  background-repeat: no-repeat;
  background-size: 800px 104px;
  animation: shimmer 1.2s infinite ease-in-out;
  border-radius: 6px;
}

/* 3. Accessibility: Prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
}