/* ============================================
   ICOSF Theme — 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);
}

/* ─── Stagger children ─── */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.stagger-children--visible > *:nth-child(1) { transition-delay: 0ms; }
.stagger-children--visible > *:nth-child(2) { transition-delay: 80ms; }
.stagger-children--visible > *:nth-child(3) { transition-delay: 160ms; }
.stagger-children--visible > *:nth-child(4) { transition-delay: 240ms; }
.stagger-children--visible > *:nth-child(5) { transition-delay: 320ms; }
.stagger-children--visible > *:nth-child(6) { transition-delay: 400ms; }
.stagger-children--visible > *:nth-child(7) { transition-delay: 480ms; }
.stagger-children--visible > *:nth-child(8) { transition-delay: 560ms; }

.stagger-children--visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Ken Burns Hero ─── */
@keyframes kenBurns {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.08);
  }
}

.hero__bg--kenburns img {
  animation: kenBurns 20s ease-in-out infinite alternate;
}

/* ─── Counter animation handled via JS ─── */

/* ─── Pulse ─── */
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

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

/* ─── Shimmer (loading state) ─── */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

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

/* ─── 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,
  .reveal-left,
  .reveal-right,
  .reveal-scale,
  .stagger-children > * {
    opacity: 1;
    transform: none;
  }

  .hero__bg--kenburns img {
    animation: none;
  }
}