/* Animation Styles */

/* Keyframe Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

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

@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-180deg) scale(0.8);
  }
  to {
    opacity: 1;
    transform: rotate(0deg) scale(1);
  }
}

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

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

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

@keyframes glow {
  0% {
    box-shadow: 0 0 5px var(--text-accent);
  }
  50% {
    box-shadow: 0 0 20px var(--text-accent), 0 0 30px var(--text-accent);
  }
  100% {
    box-shadow: 0 0 5px var(--text-accent);
  }
}

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

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

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

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

@keyframes blink {
  0%, 50% {
    border-color: var(--text-accent);
  }
  51%, 100% {
    border-color: transparent;
  }
}

/* Particle Animation */
@keyframes particleFloat {
  0% {
    transform: translateY(0px) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) rotate(360deg);
    opacity: 0;
  }
}

/* Loading Animation */
@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Scroll Reveal Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.animate-fade-in {
  animation: fadeIn 0.8s ease-out forwards;
}

.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out forwards;
}

.animate-fade-in-down {
  animation: fadeInDown 0.8s ease-out forwards;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.8s ease-out forwards;
}

.animate-fade-in-right {
  animation: fadeInRight 0.8s ease-out forwards;
}

.animate-slide-in-up {
  animation: slideInUp 0.6s ease-out forwards;
}

.animate-slide-in-down {
  animation: slideInDown 0.6s ease-out forwards;
}

.animate-scale-in {
  animation: scaleIn 0.6s ease-out forwards;
}

.animate-rotate-in {
  animation: rotateIn 0.8s ease-out forwards;
}

/* Staggered Animations */
.stagger-animation > * {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease-out 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; }

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

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

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

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

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

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

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

.hover-glow:hover {
  animation: glow 1.5s ease-in-out infinite;
}

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

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

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

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

/* Button Animations */
.btn-animated {
  position: relative;
  overflow: hidden;
}

.btn-animated::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 0.5s;
}

.btn-animated:hover::before {
  left: 100%;
}

.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-ripple:active::after {
  width: 300px;
  height: 300px;
}

/* Navigation Animations */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--text-accent);
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Card Animations */
.card-hover {
  transition: all var(--transition-normal);
  position: relative;
}

.card-hover::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
  border-radius: inherit;
  z-index: -1;
}

.card-hover:hover::before {
  opacity: 0.1;
}

.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

/* Text Animations */
.text-gradient {
  background: var(--gradient-primary);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradient 3s ease infinite;
}

.text-typewriter {
  overflow: hidden;
  border-right: 2px solid var(--text-accent);
  white-space: nowrap;
  animation: typewriter 3s steps(40, end), blink 1s step-end infinite;
}

/* Loading Animations */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--accent-bg);
  border-top: 4px solid var(--text-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.loading-dots::after {
  content: '';
  animation: dots 1.5s steps(4, end) infinite;
}

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

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

/* Particle System */
.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--text-accent);
  border-radius: 50%;
  opacity: 0.7;
  animation: particleFloat linear infinite;
}

.particle:nth-child(odd) {
  background: var(--accent-green);
  animation-duration: 15s;
}

.particle:nth-child(even) {
  background: var(--accent-purple);
  animation-duration: 20s;
}

.particle:nth-child(3n) {
  background: var(--accent-orange);
  animation-duration: 25s;
}

/* Scroll Animations */
.scroll-reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.scroll-reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.scroll-reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.scroll-reveal-scale {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Counter Animation */
.counter {
  font-family: var(--font-mono);
  font-weight: 700;
}

/* Progress Bar Animation */
.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--accent-bg);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 2px;
  transform: translateX(-100%);
  transition: transform 1s ease-out;
}

.progress-fill.animate {
  transform: translateX(0);
}

/* Floating Elements */
.float-animation {
  animation: float 3s ease-in-out infinite;
}

.float-animation:nth-child(2n) {
  animation-delay: 1s;
  animation-duration: 4s;
}

.float-animation:nth-child(3n) {
  animation-delay: 2s;
  animation-duration: 5s;
}

/* Page Transition */
.page-transition {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s ease-out;
}

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

/* Skill Bar Animation */
.skill-progress {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 4px;
  width: 0;
  transition: width 2s ease-out;
}

.skill-progress.animate {
  width: var(--skill-level, 0%);
}

/* Glitch Effect */
.glitch {
  position: relative;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.glitch::before {
  animation: glitch-1 0.5s infinite;
  color: var(--accent-orange);
  z-index: -1;
}

.glitch::after {
  animation: glitch-2 0.5s infinite;
  color: var(--accent-green);
  z-index: -2;
}

@keyframes glitch-1 {
  0% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
  100% { transform: translate(0); }
}

@keyframes glitch-2 {
  0% { transform: translate(0); }
  20% { transform: translate(2px, 2px); }
  40% { transform: translate(2px, -2px); }
  60% { transform: translate(-2px, 2px); }
  80% { transform: translate(-2px, -2px); }
  100% { transform: translate(0); }
}

/* 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;
  }
  
  .particle {
    display: none;
  }
  
  .text-typewriter {
    animation: none;
    border-right: none;
  }
  
  .scroll-indicator {
    animation: none;
  }
}

/* Performance Optimizations */
.will-change-transform {
  will-change: transform;
}

.will-change-opacity {
  will-change: opacity;
}

.gpu-accelerated {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}