/* ============================================
   KIDS JOY — Animation Keyframes & Scroll Reveal
   ============================================ */

/* ============================================
   1. Core Keyframes
   ============================================ */

/* Fade Up */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade Down */
@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade Left */
@keyframes fadeLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Fade Right */
@keyframes fadeRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Zoom In */
@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Scale Up */
@keyframes scaleUp {
  from {
    opacity: 0;
    transform: scale(0.5);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Rotate In */
@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-15deg) scale(0.9);
  }
  to {
    opacity: 1;
    transform: rotate(0) scale(1);
  }
}

/* Blur Reveal */
@keyframes blurReveal {
  from {
    opacity: 0;
    filter: blur(10px);
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}

/* Slide In Left */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Slide In Right */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ============================================
   2. Floating Animations
   ============================================ */

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  25% {
    transform: translateY(-15px) rotate(3deg);
  }
  50% {
    transform: translateY(-8px) rotate(-2deg);
  }
  75% {
    transform: translateY(-20px) rotate(2deg);
  }
}

@keyframes float-slow {
  0%, 100% {
    transform: translateY(0) translateX(0);
  }
  33% {
    transform: translateY(-20px) translateX(10px);
  }
  66% {
    transform: translateY(-10px) translateX(-5px);
  }
}

@keyframes float-gentle {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* ============================================
   3. Bounce
   ============================================ */

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-12px);
  }
  60% {
    transform: translateX(-50%) translateY(-6px);
  }
}

/* ============================================
   4. Pulse
   ============================================ */

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.15);
  }
}

/* ============================================
   5. Rotate
   ============================================ */

@keyframes rotate-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes rotate-reverse {
  from { transform: rotate(360deg); }
  to { transform: rotate(0deg); }
}

/* ============================================
   6. Gradient Animation
   ============================================ */

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ============================================
   7. Shimmer Effect
   ============================================ */

@keyframes shimmer {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

/* ============================================
   8. Scroll Reveal Classes
   ============================================ */

/* Base reveal state - hidden */
.reveal {
  opacity: 0;
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.revealed {
  opacity: 1;
}

/* Fade Up */
.reveal-up {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-up.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Fade Down */
.reveal-down {
  opacity: 0;
  transform: translateY(-50px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-down.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Fade Left */
.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Fade Right */
.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Zoom In */
.reveal-zoom {
  opacity: 0;
  transform: scale(0.85);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Scale */
.reveal-scale {
  opacity: 0;
  transform: scale(0.5);
  transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

/* Rotate */
.reveal-rotate {
  opacity: 0;
  transform: rotate(-10deg) scale(0.9);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-rotate.revealed {
  opacity: 1;
  transform: rotate(0) scale(1);
}

/* Blur Reveal */
.reveal-blur {
  opacity: 0;
  filter: blur(10px);
  transform: translateY(20px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-blur.revealed {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

/* ============================================
   9. Stagger Delays
   ============================================ */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }
.stagger-7 { transition-delay: 0.7s; }
.stagger-8 { transition-delay: 0.8s; }
.stagger-9 { transition-delay: 0.9s; }

/* ============================================
   10. Animated Gradient Background
   ============================================ */
.animated-gradient-bg {
  background: linear-gradient(-45deg, 
    rgba(var(--clr-primary-rgb), 0.05),
    rgba(var(--clr-secondary-rgb), 0.05),
    rgba(var(--clr-accent-rgb), 0.05),
    rgba(var(--clr-primary-rgb), 0.08)
  );
  background-size: 400% 400%;
  animation: gradient-shift 15s ease infinite;
}

/* ============================================
   11. Card Animated Border
   ============================================ */
.animated-border {
  position: relative;
}

.animated-border::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: inherit;
  background: linear-gradient(45deg, 
    var(--clr-primary), 
    var(--clr-secondary), 
    var(--clr-accent), 
    var(--clr-primary)
  );
  background-size: 300% 300%;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
  animation: gradient-shift 4s ease infinite;
}

.animated-border:hover::before {
  opacity: 1;
}

/* ============================================
   12. Skeleton Loading
   ============================================ */
.skeleton {
  background: linear-gradient(90deg, 
    rgba(var(--clr-primary-rgb), 0.05) 25%,
    rgba(var(--clr-primary-rgb), 0.1) 50%,
    rgba(var(--clr-primary-rgb), 0.05) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

/* ============================================
   13. Page Transition
   ============================================ */
.page-transition {
  animation: fadeUp 0.6s ease forwards;
}

/* ============================================
   14. Hover Lift Effect
   ============================================ */
.hover-lift {
  transition: transform var(--transition-spring), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-8px);
}

/* ============================================
   15. Glow Effect
   ============================================ */
.glow-primary {
  box-shadow: 0 0 20px rgba(var(--clr-primary-rgb), 0.2);
}

.glow-secondary {
  box-shadow: 0 0 20px rgba(var(--clr-secondary-rgb), 0.2);
}

.glow-accent {
  box-shadow: 0 0 20px rgba(var(--clr-accent-rgb), 0.2);
}

/* ============================================
   16. 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-up,
  .reveal-down,
  .reveal-left,
  .reveal-right,
  .reveal-zoom,
  .reveal-scale,
  .reveal-rotate,
  .reveal-blur {
    opacity: 1;
    transform: none;
    filter: none;
  }
}