/**
 * ═══════════════════════════════════════════════════════════════
 * NEDians Academy - Advanced Animations Library
 * Smooth, Professional, Eye-Catching Animations
 * ═══════════════════════════════════════════════════════════════
 */

/* ========================================
   ENTRANCE ANIMATIONS
======================================== */

/* Fade Animations */
.fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

.fade-in-down {
  animation: fadeInDown 0.6s ease-out forwards;
}

.fade-in-left {
  animation: fadeInLeft 0.6s ease-out forwards;
}

.fade-in-right {
  animation: fadeInRight 0.6s ease-out forwards;
}

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

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

@keyframes fadeInDown {
  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);
  }
}

/* Scale Animations */
.scale-in {
  animation: scaleIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.scale-in-center {
  animation: scaleInCenter 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes scaleInCenter {
  from {
    opacity: 0;
    transform: scale(0.5) translate(-50%, -50%);
  }
  to {
    opacity: 1;
    transform: scale(1) translate(-50%, -50%);
  }
}

/* Slide Animations */
.slide-in-up {
  animation: slideInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.slide-in-down {
  animation: slideInDown 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.slide-in-left {
  animation: slideInLeft 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.slide-in-right {
  animation: slideInRight 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Bounce Animations */
.bounce-in {
  animation: bounceIn 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1);
  }
}

/* Rotate Animations */
.rotate-in {
  animation: rotateIn 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-180deg) scale(0.5);
  }
  to {
    opacity: 1;
    transform: rotate(0) scale(1);
  }
}

/* Flip Animations */
.flip-in-x {
  animation: flipInX 0.6s cubic-bezier(0.455, 0.03, 0.515, 0.955) forwards;
}

.flip-in-y {
  animation: flipInY 0.6s cubic-bezier(0.455, 0.03, 0.515, 0.955) forwards;
}

@keyframes flipInX {
  from {
    opacity: 0;
    transform: perspective(600px) rotateX(-90deg);
  }
  to {
    opacity: 1;
    transform: perspective(600px) rotateX(0);
  }
}

@keyframes flipInY {
  from {
    opacity: 0;
    transform: perspective(600px) rotateY(-90deg);
  }
  to {
    opacity: 1;
    transform: perspective(600px) rotateY(0);
  }
}

/* ========================================
   CONTINUOUS ANIMATIONS
======================================== */

/* Float Effect */
.float {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* Pulse Effect */
.pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* Glow Pulse */
.glow-pulse {
  animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.7);
  }
}

/* Rotate Continuous */
.spin {
  animation: spin 2s linear infinite;
}

.spin-slow {
  animation: spin 4s linear infinite;
}

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

/* Swing Effect */
.swing {
  animation: swing 1s ease-in-out infinite;
  transform-origin: top center;
}

@keyframes swing {
  0%, 100% {
    transform: rotate(0deg);
  }
  20% {
    transform: rotate(15deg);
  }
  40% {
    transform: rotate(-10deg);
  }
  60% {
    transform: rotate(5deg);
  }
  80% {
    transform: rotate(-5deg);
  }
}

/* Wobble Effect */
.wobble {
  animation: wobble 1s ease-in-out infinite;
}

@keyframes wobble {
  0%, 100% {
    transform: translateX(0);
  }
  15% {
    transform: translateX(-25px) rotate(-5deg);
  }
  30% {
    transform: translateX(20px) rotate(3deg);
  }
  45% {
    transform: translateX(-15px) rotate(-3deg);
  }
  60% {
    transform: translateX(10px) rotate(2deg);
  }
  75% {
    transform: translateX(-5px) rotate(-1deg);
  }
}

/* Shimmer Effect */
.shimmer {
  position: relative;
  overflow: hidden;
}

.shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  to {
    left: 100%;
  }
}

/* Gradient Animation */
.gradient-shift {
  background-size: 200% 200%;
  animation: gradientShift 6s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

/* Breathing Effect */
.breathe {
  animation: breathe 4s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* ========================================
   HOVER ANIMATIONS
======================================== */

/* Lift on Hover */
.hover-lift {
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275),
              box-shadow 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Grow on Hover */
.hover-grow {
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.hover-grow:hover {
  transform: scale(1.05);
}

/* Glow on Hover */
.hover-glow {
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.hover-glow:hover {
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.6);
  border-color: rgba(99, 102, 241, 0.8);
}

/* Slide Border on Hover */
.hover-border-slide {
  position: relative;
  overflow: hidden;
}

.hover-border-slide::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: left 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hover-border-slide:hover::before {
  left: 0;
}

/* Shine Effect on Hover */
.hover-shine {
  position: relative;
  overflow: hidden;
}

.hover-shine::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s ease;
}

.hover-shine:hover::after {
  left: 100%;
}

/* Tilt on Hover */
.hover-tilt {
  transition: transform 0.3s ease;
}

.hover-tilt:hover {
  transform: perspective(600px) rotateX(5deg) rotateY(5deg) scale(1.02);
}

/* ========================================
   LOADING ANIMATIONS
======================================== */

/* Spinner */
.spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 4px solid rgba(99, 102, 241, 0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 3px;
}

.spinner-lg {
  width: 60px;
  height: 60px;
  border-width: 6px;
}

/* Dots Loading */
.loading-dots {
  display: inline-flex;
  gap: 8px;
}

.loading-dots span {
  display: block;
  width: 12px;
  height: 12px;
  background: var(--primary);
  border-radius: 50%;
  animation: dotsPulse 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) {
  animation-delay: -0.32s;
}

.loading-dots span:nth-child(2) {
  animation-delay: -0.16s;
}

@keyframes dotsPulse {
  0%, 80%, 100% {
    transform: scale(0.6);
    opacity: 0.4;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(99, 102, 241, 0.2);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 999px;
  transition: width 0.3s ease;
  position: relative;
}

.progress-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  animation: shimmer 2s infinite;
}

/* Skeleton Loader */
.skeleton {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.05) 0%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(255, 255, 255, 0.05) 100%
  );
  background-size: 200% 100%;
  animation: skeleton 1.5s ease-in-out infinite;
  border-radius: var(--radius-lg);
}

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

.skeleton-text {
  height: 1em;
  margin-bottom: 0.5em;
  border-radius: var(--radius-sm);
}

.skeleton-title {
  height: 2em;
  margin-bottom: 1em;
  width: 60%;
}

.skeleton-paragraph {
  height: 1em;
  margin-bottom: 0.5em;
}

.skeleton-paragraph:last-child {
  width: 80%;
}

/* ========================================
   PAGE TRANSITION ANIMATIONS
======================================== */

.page-transition-enter {
  animation: pageTransitionEnter 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.page-transition-exit {
  animation: pageTransitionExit 0.6s cubic-bezier(0.7, 0, 0.84, 0) forwards;
}

@keyframes pageTransitionEnter {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes pageTransitionExit {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(-40px) scale(0.98);
  }
}

/* ========================================
   STAGGER ANIMATIONS
======================================== */

.stagger-children > * {
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.6s; }
.stagger-children > *:nth-child(7) { animation-delay: 0.7s; }
.stagger-children > *:nth-child(8) { animation-delay: 0.8s; }
.stagger-children > *:nth-child(9) { animation-delay: 0.9s; }
.stagger-children > *:nth-child(10) { animation-delay: 1s; }

/* ========================================
   SCROLL ANIMATIONS
======================================== */

.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

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

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

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

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

/* ========================================
   PARALLAX EFFECT
======================================== */

.parallax-slow {
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.parallax-medium {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.parallax-fast {
  transition: transform 0.1s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ========================================
   ATTENTION SEEKERS
======================================== */

.bounce {
  animation: bounce 1s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.shake {
  animation: shake 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}

@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-10px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(10px);
  }
}

.jello {
  animation: jello 1s ease-in-out;
}

@keyframes jello {
  0%, 100% {
    transform: skewX(0deg) skewY(0deg);
  }
  30% {
    transform: skewX(25deg) skewY(25deg);
  }
  40% {
    transform: skewX(-15deg) skewY(-15deg);
  }
  50% {
    transform: skewX(15deg) skewY(15deg);
  }
  65% {
    transform: skewX(-5deg) skewY(-5deg);
  }
  75% {
    transform: skewX(5deg) skewY(5deg);
  }
}

.heartbeat {
  animation: heartbeat 1.3s ease-in-out infinite;
}

@keyframes heartbeat {
  0%, 100% {
    transform: scale(1);
  }
  14% {
    transform: scale(1.1);
  }
  28% {
    transform: scale(1);
  }
  42% {
    transform: scale(1.1);
  }
  56% {
    transform: scale(1);
  }
}

/* ========================================
   ANIMATION DELAYS
======================================== */

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
.delay-700 { animation-delay: 0.7s; }
.delay-800 { animation-delay: 0.8s; }
.delay-900 { animation-delay: 0.9s; }
.delay-1000 { animation-delay: 1s; }

/* ========================================
   ANIMATION DURATIONS
======================================== */

.duration-fast { animation-duration: 0.3s; }
.duration-base { animation-duration: 0.5s; }
.duration-slow { animation-duration: 1s; }
.duration-slower { animation-duration: 2s; }

/* ========================================
   UTILITY CLASSES
======================================== */

.animate-once {
  animation-iteration-count: 1;
  animation-fill-mode: forwards;
}

.animate-infinite {
  animation-iteration-count: infinite;
}

.animation-paused {
  animation-play-state: paused;
}

.animation-running {
  animation-play-state: running;
}

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