/* Animation System - Motion & Transitions */

/* Fade Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(var(--space-8));
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(calc(-1 * var(--space-8)));
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(calc(-1 * var(--space-8)));
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(var(--space-8));
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scale Animations */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes scaleInUp {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(var(--space-4));
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Slide Animations */
@keyframes slideInUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

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

/* Bounce Animations */
@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale3d(0.3, 0.3, 0.3);
  }
  20% {
    transform: scale3d(1.1, 1.1, 1.1);
  }
  40% {
    transform: scale3d(0.9, 0.9, 0.9);
  }
  60% {
    opacity: 1;
    transform: scale3d(1.03, 1.03, 1.03);
  }
  80% {
    transform: scale3d(0.97, 0.97, 0.97);
  }
  100% {
    opacity: 1;
    transform: scale3d(1, 1, 1);
  }
}

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

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

@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 5px rgba(79, 70, 229, 0.3);
  }
  50% {
    box-shadow: 0 0 20px rgba(79, 70, 229, 0.6), 0 0 30px rgba(124, 58, 237, 0.4);
  }
}

/* Text Animations */
@keyframes typewriter {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes blink {
  0%, 50% {
    opacity: 1;
  }
  51%, 100% {
    opacity: 0;
  }
}

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

/* Shake Animation */
@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-2px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(2px);
  }
}

/* Animation Classes */
.animate-fade-in {
  animation: fadeIn var(--duration-slow) var(--ease-out) forwards;
}

.animate-fade-in-up {
  animation: fadeInUp var(--duration-slow) var(--ease-out) forwards;
}

.animate-fade-in-down {
  animation: fadeInDown var(--duration-slow) var(--ease-out) forwards;
}

.animate-fade-in-left {
  animation: fadeInLeft var(--duration-slow) var(--ease-out) forwards;
}

.animate-fade-in-right {
  animation: fadeInRight var(--duration-slow) var(--ease-out) forwards;
}

.animate-scale-in {
  animation: scaleIn var(--duration-normal) var(--ease-out) forwards;
}

.animate-scale-in-up {
  animation: scaleInUp var(--duration-slow) var(--ease-out) forwards;
}

.animate-bounce-in {
  animation: bounceIn var(--duration-slower) var(--ease-bounce) forwards;
}

.animate-rotate-in {
  animation: rotateIn var(--duration-slow) var(--ease-out) forwards;
}

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

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

.animate-gradient-shift {
  background-size: 400% 400%;
  animation: gradientShift 3s ease infinite;
}

/* Staggered Animation Delays */
.animate-delay-100 {
  animation-delay: 100ms;
}

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

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

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

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

.animate-delay-1000 {
  animation-delay: 1000ms;
}

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

.hover-lift:hover {
  transform: translateY(-2px);
}

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

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

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

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(79, 70, 229, 0.4);
}

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

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

/* Scroll-triggered Animation Classes */
.scroll-fade-in {
  opacity: 0;
  transform: translateY(var(--space-8));
  transition: all var(--duration-slow) var(--ease-out);
}

.scroll-fade-in.in-view {
  opacity: 1;
  transform: translateY(0);
}

.scroll-slide-left {
  opacity: 0;
  transform: translateX(calc(-1 * var(--space-12)));
  transition: all var(--duration-slow) var(--ease-out);
}

.scroll-slide-left.in-view {
  opacity: 1;
  transform: translateX(0);
}

.scroll-slide-right {
  opacity: 0;
  transform: translateX(var(--space-12));
  transition: all var(--duration-slow) var(--ease-out);
}

.scroll-slide-right.in-view {
  opacity: 1;
  transform: translateX(0);
}

.scroll-scale-in {
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--duration-slow) var(--ease-out);
}

.scroll-scale-in.in-view {
  opacity: 1;
  transform: scale(1);
}

/* Hero Text Animation */
.hero-text {
  opacity: 0;
  transform: translateY(var(--space-6));
}

.hero-text.animate {
  animation: fadeInUp 1s var(--ease-out) forwards;
}

.hero-title {
  opacity: 0;
  transform: translateY(var(--space-8));
}

.hero-title.animate {
  animation: fadeInUp 1.2s var(--ease-out) forwards;
}

.hero-subtitle {
  opacity: 0;
  transform: translateY(var(--space-6));
}

.hero-subtitle.animate {
  animation: fadeInUp 1s var(--ease-out) 0.3s forwards;
}

.hero-cta {
  opacity: 0;
  transform: translateY(var(--space-4));
}

.hero-cta.animate {
  animation: fadeInUp 1s var(--ease-out) 0.6s forwards;
}

/* Performance Optimizations */
.animate-gpu {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

/* 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;
  }
  
  .animate-float,
  .animate-glow-pulse,
  .animate-gradient-shift {
    animation: none !important;
  }
}

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

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