/* Keyframe Animations */

/* Floating animation for background shapes */
@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  33% {
    transform: translateY(-20px) rotate(120deg);
  }
  66% {
    transform: translateY(10px) rotate(240deg);
  }
}

/* Rotation animation for profile ring */
@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Bounce animation for scroll indicator */
@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40%, 43% {
    transform: translateX(-50%) translateY(-10px);
  }
  70% {
    transform: translateX(-50%) translateY(-5px);
  }
  90% {
    transform: translateX(-50%) translateY(-2px);
  }
}

/* Scroll wheel animation */
@keyframes scroll-wheel {
  0% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(16px);
  }
}

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

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

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

/* Skill progress shimmer */
@keyframes skill-shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* Spinning animation for loading spinner */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Heartbeat animation for footer heart */
@keyframes heartbeat {
  0% {
    transform: scale(1);
  }
  14% {
    transform: scale(1.3);
  }
  28% {
    transform: scale(1);
  }
  42% {
    transform: scale(1.3);
  }
  70% {
    transform: scale(1);
  }
}

/* Fade in animations */
@keyframes fadeInUp {
  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);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

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

@keyframes slideInRight {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

/* Text reveal animations */
@keyframes textReveal {
  0% {
    opacity: 0;
    transform: translateY(100%);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Gradient animation for buttons and elements */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Wave animation for section dividers */
@keyframes wave {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Particle animation */
@keyframes particles {
  0% {
    opacity: 0;
    transform: translateY(0) scale(0);
  }
  10% {
    opacity: 1;
    transform: translateY(-10px) scale(0.5);
  }
  100% {
    opacity: 0;
    transform: translateY(-100px) scale(1);
  }
}

/* Glow animation */
@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 5px var(--accent-primary);
  }
  50% {
    box-shadow: 0 0 20px var(--accent-primary), 0 0 30px var(--accent-secondary);
  }
}

/* Animation Classes */
.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

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

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

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

.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

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

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

.animate-slide-in-left {
  animation: slideInLeft 0.6s ease-out forwards;
}

.animate-slide-in-right {
  animation: slideInRight 0.6s ease-out forwards;
}

/* Text reveal effect */
.text-reveal {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease-out forwards;
}

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

/* Typing effect for hero subtitle */
.typing-text {
  overflow: hidden;
  border-right: 2px solid var(--accent-primary);
  white-space: nowrap;
  margin: 0 auto;
  animation: typing 3s steps(40, end), blink-caret 0.75s step-end infinite;
}

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

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

.hover-scale {
  transition: transform 0.3s ease;
}

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

.hover-rotate {
  transition: transform 0.3s ease;
}

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

/* Stagger animations for lists */
.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; }

/* Loading animation states */
.loading-dots::after {
  content: '';
  animation: loadingDots 1.5s infinite;
}

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

/* Page transition animations */
.page-enter {
  opacity: 0;
  transform: translateY(20px);
}

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

/* Scroll-triggered animations */
.scroll-reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.6s ease;
}

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

/* Button animation effects */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

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

/* Progress bar animations */
.progress-animate {
  position: relative;
  overflow: hidden;
}

.progress-animate::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

/* Card entrance animations */
.card-entrance {
  opacity: 0;
  transform: translateY(30px) scale(0.95);
  transition: all 0.5s ease;
}

.card-entrance.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Magnetic hover effect */
.magnetic {
  transition: transform 0.3s ease;
}

.magnetic:hover {
  transform: translate(var(--x, 0), var(--y, 0));
}

/* Parallax animation */
.parallax {
  transform: translateZ(0);
  transition: transform 0.1s ease-out;
}

/* Glitch effect for fun elements */
@keyframes glitch {
  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);
  }
}

.glitch:hover {
  animation: glitch 0.3s ease-in-out;
}

/* Success/Error message animations */
.message-slide-in {
  transform: translateX(100%);
  animation: slideInRight 0.3s ease-out forwards;
}

.message-slide-out {
  animation: slideInRight 0.3s ease-out reverse forwards;
}

/* Theme transition animation */
.theme-transition * {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease !important;
}

/* Responsive animation adjustments */
@media (max-width: 768px) {
  .text-reveal {
    animation-duration: 0.6s;
  }
  
  .animate-fade-in-up,
  .animate-fade-in-left,
  .animate-fade-in-right,
  .animate-fade-in-down {
    animation-duration: 0.4s;
  }
  
  .scroll-reveal {
    transition-duration: 0.4s;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .typing-text {
    animation: none;
    border-right: none;
  }
  
  .floating-shapes .shape {
    animation: none;
  }
  
  .profile-ring {
    animation: none;
  }
  
  .scroll-indicator {
    animation: none;
  }
  
  .animate-pulse {
    animation: none;
  }
}