/*=============== ANIMATIONS CSS ===============*/

/*=============== KEYFRAME ANIMATIONS ===============*/

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

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

/* Fade In Left */
@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Fade In Right */
@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

/* Zoom Out */
@keyframes zoomOut {
  from {
    opacity: 0;
    transform: scale(1.2);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

/* Pulse Animation */
@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
}

/* Bounce Animation */
@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

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

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

/* Rotate In */
@keyframes rotateIn {
  from {
    transform: rotate(-200deg);
    opacity: 0;
  }
  to {
    transform: rotate(0);
    opacity: 1;
  }
}

/* Flip In X */
@keyframes flipInX {
  from {
    transform: perspective(400px) rotateX(90deg);
    opacity: 0;
  }
  to {
    transform: perspective(400px) rotateX(0deg);
    opacity: 1;
  }
}

/* Flip In Y */
@keyframes flipInY {
  from {
    transform: perspective(400px) rotateY(90deg);
    opacity: 0;
  }
  to {
    transform: perspective(400px) rotateY(0deg);
    opacity: 1;
  }
}

/* Shake */
@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-5px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(5px);
  }
}

/* Heartbeat */
@keyframes heartbeat {
  0%, 100% {
    transform: scale(1);
  }
  10%, 30% {
    transform: scale(1.1);
  }
  20%, 40% {
    transform: scale(1);
  }
}

/* Glow */
@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.5);
  }
  50% {
    box-shadow: 0 0 20px rgba(52, 152, 219, 0.8);
  }
}

/* Gradient Animation */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Typing Animation */
@keyframes typing {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

/* Blink Cursor */
@keyframes blinkCursor {
  50% {
    border-color: transparent;
  }
}

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

/* Progress Bar Fill */
@keyframes progressFill {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

/* Number Counter */
@keyframes countUp {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Skeleton Loading */
@keyframes skeleton {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

/* Marquee Scroll */
@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Ripple Effect */
@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

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

/* Fade Animations */
.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

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

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

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

/* Zoom Animations */
.animate-zoom-in {
  animation: zoomIn 0.6s ease forwards;
}

.animate-zoom-out {
  animation: zoomOut 0.6s ease forwards;
}

/* Special Animations */
.animate-float {
  animation: float 3s ease-in-out infinite;
}

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

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

.animate-shake {
  animation: shake 0.5s ease-in-out;
}

.animate-heartbeat {
  animation: heartbeat 1.5s ease-in-out infinite;
}

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

.animate-spin {
  animation: spin 1s linear infinite;
}

/* Delay Classes */
.delay-100 {
  animation-delay: 100ms;
}

.delay-200 {
  animation-delay: 200ms;
}

.delay-300 {
  animation-delay: 300ms;
}

.delay-400 {
  animation-delay: 400ms;
}

.delay-500 {
  animation-delay: 500ms;
}

.delay-600 {
  animation-delay: 600ms;
}

.delay-700 {
  animation-delay: 700ms;
}

.delay-800 {
  animation-delay: 800ms;
}

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

/* Elements start invisible before scrolling into view */
[data-aos] {
  opacity: 0;
  transition-property: opacity, transform;
  transition-duration: 0.6s;
  transition-timing-function: ease;
}

/* When element is in viewport */
[data-aos].aos-animate {
  opacity: 1;
}

/* Specific AOS Animations */
[data-aos="fade-up"] {
  transform: translateY(40px);
}

[data-aos="fade-up"].aos-animate {
  transform: translateY(0);
}

[data-aos="fade-down"] {
  transform: translateY(-40px);
}

[data-aos="fade-down"].aos-animate {
  transform: translateY(0);
}

[data-aos="fade-left"] {
  transform: translateX(-40px);
}

[data-aos="fade-left"].aos-animate {
  transform: translateX(0);
}

[data-aos="fade-right"] {
  transform: translateX(40px);
}

[data-aos="fade-right"].aos-animate {
  transform: translateX(0);
}

[data-aos="zoom-in"] {
  transform: scale(0.8);
}

[data-aos="zoom-in"].aos-animate {
  transform: scale(1);
}

[data-aos="zoom-out"] {
  transform: scale(1.2);
}

[data-aos="zoom-out"].aos-animate {
  transform: scale(1);
}

[data-aos="flip-up"] {
  transform: perspective(400px) rotateX(90deg);
}

[data-aos="flip-up"].aos-animate {
  transform: perspective(400px) rotateX(0deg);
}

/* Delay Attributes */
[data-aos-delay="100"] {
  transition-delay: 100ms;
}

[data-aos-delay="200"] {
  transition-delay: 200ms;
}

[data-aos-delay="300"] {
  transition-delay: 300ms;
}

[data-aos-delay="400"] {
  transition-delay: 400ms;
}

[data-aos-delay="500"] {
  transition-delay: 500ms;
}

[data-aos-delay="600"] {
  transition-delay: 600ms;
}

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

/* Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Skeleton Screen */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-200) 0px,
    var(--color-gray-100) 40px,
    var(--color-gray-200) 80px
  );
  background-size: 300px;
  animation: skeleton 1.2s ease-in-out infinite;
}

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

.loading-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-primary);
  animation: bounce 1.4s infinite ease-in-out;
}

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

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

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

/* Hover Grow */
.hover-grow {
  transition: transform 0.3s ease;
}

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

/* Hover Shrink */
.hover-shrink {
  transition: transform 0.3s ease;
}

.hover-shrink:hover {
  transform: scale(0.95);
}

/* Hover Lift */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

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

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

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

/* Hover Underline */
.hover-underline {
  position: relative;
}

.hover-underline::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: currentColor;
  transition: width 0.3s ease;
}

.hover-underline:hover::after {
  width: 100%;
}

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

/* Page Load Animation */
.page-transition {
  animation: fadeIn 0.5s ease-in;
}

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

/* Stagger Animation for Multiple Elements */
.stagger-animation > * {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

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

/*=============== PERFORMANCE OPTIMIZATIONS ===============*/

/* Reduce motion for users who prefer it */
@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;
  }
}

/* GPU Acceleration for smoother animations */
.gpu-accelerated {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}