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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

@keyframes countPulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
    color: var(--color-accent, #00b4d8);
  }
  100% {
    transform: scale(1);
  }
}


/* Scroll-triggered Animations (IntersectionObserver hooks) */
.animate-on-scroll {
  opacity: 0;
  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;
}

/* Initial States */
.animate-on-scroll.fade-in-up {
  transform: translateY(30px);
}

.animate-on-scroll.fade-in {
  transform: none;
}

.animate-on-scroll.scale-in {
  transform: scale(0.95);
}

/* Triggered State (Active/Animated) */
.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0) scale(1);
}


/* Direct Animation Trigger Classes (uses keyframes) */
.animated-fade-in-up {
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animated-fade-in {
  animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animated-scale-in {
  animation: scaleIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}


/* Staggered Delay Utilities */
.delay-100 { transition-delay: 100ms; animation-delay: 100ms; }
.delay-200 { transition-delay: 200ms; animation-delay: 200ms; }
.delay-300 { transition-delay: 300ms; animation-delay: 300ms; }
.delay-400 { transition-delay: 400ms; animation-delay: 400ms; }
.delay-500 { transition-delay: 500ms; animation-delay: 500ms; }
.delay-600 { transition-delay: 600ms; animation-delay: 600ms; }
.delay-700 { transition-delay: 700ms; animation-delay: 700ms; }
.delay-800 { transition-delay: 800ms; animation-delay: 800ms; }


/* Counter Stats Pulse Hook */
.stat-item.animated .stat-number {
  animation: countPulse 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}


/* General Hover Transitions */
.hover-lift {
  transition: transform var(--transition-normal, 0.3s ease), box-shadow var(--transition-normal, 0.3s ease);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.hover-glow {
  transition: box-shadow var(--transition-normal, 0.3s ease);
}

.hover-glow:hover {
  box-shadow: 0 0 15px rgba(26, 115, 232, 0.3);
}

.hover-slide-right {
  transition: transform var(--transition-fast, 0.2s ease);
}

.hover-slide-right:hover {
  transform: translateX(4px);
}