/* Animations CSS definitions */

/* Animation Keyframes */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Entrance Class Utilities */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Alternate Direction Animations */
.animate-fade-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate-fade-left.animated {
  opacity: 1;
  transform: translateX(0);
}

.animate-fade-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate-fade-right.animated {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger Delay Utility for Grids */
.stagger-children > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children > *:nth-child(6) { transition-delay: 0.3s; }
.stagger-children > *:nth-child(7) { transition-delay: 0.35s; }
.stagger-children > *:nth-child(8) { transition-delay: 0.4s; }
.stagger-children > *:nth-child(9) { transition-delay: 0.45s; }
.stagger-children > *:nth-child(10) { transition-delay: 0.5s; }
.stagger-children > *:nth-child(11) { transition-delay: 0.55s; }
.stagger-children > *:nth-child(12) { transition-delay: 0.6s; }
.stagger-children > *:nth-child(13) { transition-delay: 0.65s; }
.stagger-children > *:nth-child(14) { transition-delay: 0.7s; }
.stagger-children > *:nth-child(15) { transition-delay: 0.75s; }
.stagger-children > *:nth-child(16) { transition-delay: 0.8s; }
.stagger-children > *:nth-child(17) { transition-delay: 0.85s; }

/* Micro-interaction Hover Shimmer Effect */
.btn, .glass-card, .sdg-card {
  position: relative;
}

.btn::after, .glass-card::after, .sdg-card::after {
  content: '';
  position: absolute;
  top: 0;
  inset-inline-start: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.08),
    transparent
  );
  transform: skewX(-25deg);
  transition: 0.75s;
}

.btn:hover::after, .glass-card:hover::after, .sdg-card:hover::after {
  inset-inline-start: 150%;
}

/* Reduced Motion Optimization */
@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll,
  .animate-fade-left,
  .animate-fade-right,
  .hero-orb {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    animation: none !important;
  }
}