/* ===== FUEDEVS DOCUMENTATION - ANIMATIONS ===== */

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

/* Loading Spinner */
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

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

/* Pulse Animation */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.05);
  }
}

/* Bounce Animation */
@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
    transform: translate3d(0, 0, 0);
  }
  40%, 43% {
    animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
    transform: translate3d(0, -30px, 0);
  }
  70% {
    animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
    transform: translate3d(0, -15px, 0);
  }
  90% {
    transform: translate3d(0, -4px, 0);
  }
}

/* Fade In Up */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 40px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

/* Fade In Down */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translate3d(0, -40px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

/* Fade In Left */
@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translate3d(-40px, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

/* Fade In Right */
@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translate3d(40px, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

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

/* Slide In Up */
@keyframes slideInUp {
  from {
    transform: translate3d(0, 100%, 0);
    visibility: visible;
  }
  to {
    transform: translate3d(0, 0, 0);
  }
}

/* Slide In Down */
@keyframes slideInDown {
  from {
    transform: translate3d(0, -100%, 0);
    visibility: visible;
  }
  to {
    transform: translate3d(0, 0, 0);
  }
}

/* Zoom In */
@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale3d(0.3, 0.3, 0.3);
  }
  50% {
    opacity: 1;
  }
}

/* Shake Animation */
@keyframes shake {
  from, to {
    transform: translate3d(0, 0, 0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translate3d(-10px, 0, 0);
  }
  20%, 40%, 60%, 80% {
    transform: translate3d(10px, 0, 0);
  }
}

/* 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 Animation for Cursor */
@keyframes blink {
  from, to {
    border-color: transparent;
  }
  50% {
    border-color: var(--primary-color);
  }
}

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

/* Basic Animations */
.animate-spin {
  animation: spin 1s linear infinite;
}

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

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

.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* Entrance Animations */
.animate-fadeInUp {
  animation: fadeInUp 0.6s ease-out;
}

.animate-fadeInDown {
  animation: fadeInDown 0.6s ease-out;
}

.animate-fadeInLeft {
  animation: fadeInLeft 0.6s ease-out;
}

.animate-fadeInRight {
  animation: fadeInRight 0.6s ease-out;
}

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

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

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

.animate-zoomIn {
  animation: zoomIn 0.6s ease-out;
}

/* Attention Animations */
.animate-shake {
  animation: shake 0.82s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

/* Gradient Animation */
.animate-gradient {
  background: linear-gradient(-45deg, var(--primary-color), var(--secondary-color), var(--accent-color), var(--primary-light));
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

/* Typing Animation */
.animate-typing {
  overflow: hidden;
  border-right: 2px solid var(--primary-color);
  white-space: nowrap;
  animation: typing 3.5s steps(40, end), blink 0.75s step-end infinite;
}

/* ===== SCROLL-TRIGGERED ANIMATIONS ===== */

/* Scroll Reveal Base */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

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

/* Scroll Reveal Variants */
.scroll-reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.6s ease-out;
}

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

.scroll-reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.6s ease-out;
}

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

.scroll-reveal-scale {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.6s ease-out;
}

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

/* Staggered Animation */
.scroll-reveal-stagger {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s ease-out;
}

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

.scroll-reveal-stagger:nth-child(1) { transition-delay: 0.1s; }
.scroll-reveal-stagger:nth-child(2) { transition-delay: 0.2s; }
.scroll-reveal-stagger:nth-child(3) { transition-delay: 0.3s; }
.scroll-reveal-stagger:nth-child(4) { transition-delay: 0.4s; }
.scroll-reveal-stagger:nth-child(5) { transition-delay: 0.5s; }
.scroll-reveal-stagger:nth-child(6) { transition-delay: 0.6s; }

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

/* Hover Lift */
.hover-lift {
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

/* Hover Scale */
.hover-scale {
  transition: transform var(--transition-fast);
}

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

/* Hover Rotate */
.hover-rotate {
  transition: transform var(--transition-fast);
}

.hover-rotate:hover {
  transform: rotate(5deg);
}

/* Hover Glow */
.hover-glow {
  transition: box-shadow var(--transition-fast);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

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

.hover-slide::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-normal);
}

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

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

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

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

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

.shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: translateX(-100%);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

/* ===== TRANSITION UTILITIES ===== */

/* Transition Durations */
.transition-none {
  transition: none !important;
}

.transition-fast {
  transition: all var(--transition-fast);
}

.transition-normal {
  transition: all var(--transition-normal);
}

.transition-slow {
  transition: all var(--transition-slow);
}

/* Transition Properties */
.transition-colors {
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.transition-opacity {
  transition: opacity var(--transition-fast);
}

.transition-transform {
  transition: transform var(--transition-fast);
}

.transition-shadow {
  transition: box-shadow var(--transition-fast);
}

/* ===== ANIMATION DELAYS ===== */
.delay-75 { animation-delay: 75ms; }
.delay-100 { animation-delay: 100ms; }
.delay-150 { animation-delay: 150ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-500 { animation-delay: 500ms; }
.delay-700 { animation-delay: 700ms; }
.delay-1000 { animation-delay: 1000ms; }

/* ===== ANIMATION DURATIONS ===== */
.duration-75 { animation-duration: 75ms; }
.duration-100 { animation-duration: 100ms; }
.duration-150 { animation-duration: 150ms; }
.duration-200 { animation-duration: 200ms; }
.duration-300 { animation-duration: 300ms; }
.duration-500 { animation-duration: 500ms; }
.duration-700 { animation-duration: 700ms; }
.duration-1000 { animation-duration: 1000ms; }

/* ===== REDUCED MOTION SUPPORT ===== */
@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;
  }
  
  .animate-spin,
  .animate-pulse,
  .animate-bounce,
  .animate-float,
  .animate-gradient,
  .skeleton,
  .shimmer::after {
    animation: none !important;
  }
  
  .scroll-reveal,
  .scroll-reveal-left,
  .scroll-reveal-right,
  .scroll-reveal-scale,
  .scroll-reveal-stagger {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}