/* ============================================
   FRANCE ISOLATION CONSEIL - Animations
   ============================================ */

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal--left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal--right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal--right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal--scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal--scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Staggered delays for grid children */
.reveal-group > *:nth-child(1) { transition-delay: 0s; }
.reveal-group > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-group > *:nth-child(3) { transition-delay: 0.2s; }
.reveal-group > *:nth-child(4) { transition-delay: 0.3s; }
.reveal-group > *:nth-child(5) { transition-delay: 0.4s; }
.reveal-group > *:nth-child(6) { transition-delay: 0.5s; }

/* --- Counter Animation --- */
.counter {
  font-variant-numeric: tabular-nums;
}

/* --- Hover Effects --- */
.hover-lift {
  transition: transform var(--transition), box-shadow var(--transition);
}

.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

/* --- Pulse for CTA --- */
@keyframes pulse {
  0%, 100% {
    box-shadow: 0 4px 16px rgba(200, 16, 46, 0.3);
  }
  50% {
    box-shadow: 0 4px 32px rgba(200, 16, 46, 0.5);
  }
}

.btn--pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* --- Float (for decorative elements) --- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.float {
  animation: float 3s ease-in-out infinite;
}

/* --- Shimmer for loading states --- */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.shimmer {
  background: linear-gradient(90deg, var(--gray-100) 25%, var(--off-white) 50%, var(--gray-100) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

/* --- Spinner --- */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--gray-100);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* --- Smooth image load --- */
.img-load {
  opacity: 0;
  transition: opacity 0.4s ease;
}

.img-load.loaded {
  opacity: 1;
}

/* --- Timeline line animation --- */
.timeline__item .timeline__number {
  transition: transform 0.3s ease, background 0.3s ease;
}

.timeline__item:hover .timeline__number {
  transform: scale(1.1);
  background: var(--accent);
}

/* --- Card entrance for gallery items --- */
.gallery-item {
  animation: fadeInUp 0.4s ease forwards;
}

/* --- Reduce motion for accessibility --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .reveal--left,
  .reveal--right,
  .reveal--scale {
    opacity: 1;
    transform: none;
  }
}