/* ===== Animation Keyframes ===== */

/* Fade In Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes scaleUp {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.05);
  }
}

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

/* Bounce Animation */
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

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

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

/* Shimmer Animation */
@keyframes shimmer {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

/* ===== Animation Classes ===== */

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

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

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

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

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

/* Scale Animations */
.animate-scale-in {
  animation: scaleIn 0.5s ease-out;
}

.animate-scale-up {
  animation: scaleUp 0.3s ease-out;
}

/* Pulse Animation */
.animate-pulse {
  animation: pulse 2s infinite;
}

/* Bounce Animation */
.animate-bounce {
  animation: bounce 2s infinite;
}

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

/* Gradient Animation */
.animate-gradient {
  background-size: 200% 200%;
  animation: gradientShift 3s ease infinite;
}

/* Shimmer Animation */
.animate-shimmer {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  background-size: 200px 100%;
  animation: shimmer 2s infinite;
}

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

.scroll-animate--active {
  opacity: 1;
  transform: translateY(0);
}

.scroll-animate--left {
  transform: translateX(-30px);
}

.scroll-animate--left.scroll-animate--active {
  transform: translateX(0);
}

.scroll-animate--right {
  transform: translateX(30px);
}

.scroll-animate--right.scroll-animate--active {
  transform: translateX(0);
}

.scroll-animate--scale {
  transform: scale(0.8);
}

.scroll-animate--scale.scroll-animate--active {
  transform: scale(1);
}

/* ===== Hover Animations ===== */
.hover-lift {
  transition: transform var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-4px);
}

.hover-scale {
  transition: transform var(--transition-normal);
}

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

.hover-glow {
  transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

.hover-rotate {
  transition: transform var(--transition-normal);
}

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

/* ===== Loading Animations ===== */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(102, 126, 234, 0.1);
  border-left: 4px solid var(--color-accent-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.loading-dots {
  display: inline-block;
}

.loading-dots::after {
  content: '';
  animation: dots 1.5s infinite;
}

@keyframes dots {
  0%, 20% {
    content: '';
  }
  40% {
    content: '.';
  }
  60% {
    content: '..';
  }
  80%, 100% {
    content: '...';
  }
}

/* ===== Page Transition Animations ===== */
.page-enter {
  opacity: 0;
  transform: translateY(20px);
}

.page-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.3s ease-out;
}

.page-exit {
  opacity: 1;
  transform: translateY(0);
}

.page-exit-active {
  opacity: 0;
  transform: translateY(-20px);
  transition: all 0.3s ease-in;
}

/* ===== Modal Animations ===== */
.modal-enter {
  opacity: 0;
  transform: scale(0.8);
}

.modal-enter-active {
  opacity: 1;
  transform: scale(1);
  transition: all 0.3s ease-out;
}

.modal-exit {
  opacity: 1;
  transform: scale(1);
}

.modal-exit-active {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.3s ease-in;
}

/* ===== Stagger Animation ===== */
.stagger-item {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s ease-out forwards;
}

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

/* ===== Text Animation ===== */
.text-reveal {
  overflow: hidden;
}

.text-reveal span {
  display: inline-block;
  opacity: 0;
  transform: translateY(100%);
  animation: textReveal 0.6s ease-out forwards;
}

@keyframes textReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.text-reveal span:nth-child(1) { animation-delay: 0.1s; }
.text-reveal span:nth-child(2) { animation-delay: 0.2s; }
.text-reveal span:nth-child(3) { animation-delay: 0.3s; }
.text-reveal span:nth-child(4) { animation-delay: 0.4s; }
.text-reveal span:nth-child(5) { animation-delay: 0.5s; }

/* ===== Particle Animation ===== */
.particle {
  position: absolute;
  background: var(--color-accent-blue);
  border-radius: 50%;
  pointer-events: none;
  animation: particleFloat 6s infinite linear;
}

@keyframes particleFloat {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

/* ===== Progress Bar Animation ===== */
.progress-bar {
  width: 0%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-purple));
  transition: width 0.3s ease-out;
}

.progress-bar--animate {
  animation: progressFill 2s ease-out forwards;
}

@keyframes progressFill {
  to {
    width: 100%;
  }
}

/* ===== Typing Animation ===== */
.typing-animation {
  overflow: hidden;
  border-right: 2px solid var(--color-accent-blue);
  white-space: nowrap;
  animation: typing 3s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes blink-caret {
  from, to {
    border-color: transparent;
  }
  50% {
    border-color: var(--color-accent-blue);
  }
}

/* ===== Reduced Motion Override ===== */
@media (prefers-reduced-motion: reduce) {
  .animate-fade-in,
  .animate-fade-in-up,
  .animate-fade-in-down,
  .animate-fade-in-left,
  .animate-fade-in-right,
  .animate-scale-in,
  .animate-scale-up,
  .animate-pulse,
  .animate-bounce,
  .animate-float,
  .animate-gradient,
  .animate-shimmer,
  .scroll-animate,
  .stagger-item,
  .text-reveal span,
  .particle,
  .progress-bar--animate,
  .typing-animation {
    animation: none;
  }
  
  .hover-lift:hover,
  .hover-scale:hover,
  .hover-glow:hover,
  .hover-rotate:hover {
    transform: none;
  }
}