/* Keyframe Animations */

/* Loading Animations */
@keyframes logoSpin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes loadingProgress {
    0% {
        transform: translateX(-100%);
    }
    50% {
        transform: translateX(0%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Entry Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

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

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

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

/* Floating and Movement Animations */
@keyframes float {
    0% {
        transform: translateY(0px) translateX(0px);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) translateX(100px);
        opacity: 0;
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -15px, 0);
    }
    70% {
        transform: translate3d(0, -5px, 0);
    }
    90% {
        transform: translate3d(0, -2px, 0);
    }
}

@keyframes scrollBounce {
    0%, 100% {
        transform: translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateY(10px);
        opacity: 0.5;
    }
}

/* Typewriter Animation */
@keyframes typewriter {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

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

/* Cursor Trail Animation */
@keyframes cursorTrail {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(0);
        opacity: 0;
    }
}

/* Progress Bar Animations */
@keyframes progressFill {
    from {
        width: 0%;
    }
    to {
        width: var(--progress-width);
    }
}

/* Glow Effect */
@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 212, 255, 0.6);
    }
}

/* Ripple Effect */
@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

/* Shimmer Effect */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

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

/* Morphing Shapes */
@keyframes morphShape1 {
    0%, 100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    50% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
}

@keyframes morphShape2 {
    0%, 100% {
        border-radius: 40% 60% 60% 40% / 60% 30% 60% 40%;
    }
    50% {
        border-radius: 60% 40% 40% 60% / 40% 70% 30% 70%;
    }
}

/* Particle System */
@keyframes particleFloat {
    0% {
        transform: translateY(100vh) translateX(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(var(--random-x, 0)) rotate(360deg);
        opacity: 0;
    }
}

/* Text Reveal Animations */
@keyframes textReveal {
    0% {
        width: 0%;
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        width: 100%;
        opacity: 1;
    }
}

@keyframes letterSpacing {
    0% {
        letter-spacing: 1em;
        opacity: 0;
    }
    40% {
        opacity: 1;
    }
    100% {
        letter-spacing: normal;
        opacity: 1;
    }
}

/* Code Block Animations */
@keyframes codeTyping {
    0% {
        width: 0;
        opacity: 0;
    }
    1% {
        opacity: 1;
    }
    100% {
        width: 100%;
        opacity: 1;
    }
}

@keyframes syntaxHighlight {
    0%, 100% {
        background-color: transparent;
    }
    50% {
        background-color: rgba(0, 212, 255, 0.1);
    }
}

/* Hover Animations */
@keyframes hoverPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes hoverGlow {
    0% {
        filter: brightness(1) drop-shadow(0 0 0 transparent);
    }
    100% {
        filter: brightness(1.1) drop-shadow(0 0 20px rgba(0, 212, 255, 0.3));
    }
}

/* Scroll Animations */
@keyframes scrollReveal {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Complex Animations */
@keyframes complexEntry {
    0% {
        opacity: 0;
        transform: translateY(50px) rotateX(90deg);
        filter: blur(10px);
    }
    50% {
        opacity: 0.5;
        transform: translateY(0) rotateX(45deg);
        filter: blur(5px);
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotateX(0deg);
        filter: blur(0);
    }
}

@keyframes matrixRain {
    0% {
        transform: translateY(-100vh);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

/* Utility Animation Classes */
.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

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

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

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

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

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

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

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

.animate-rotate {
    animation: rotate 10s linear infinite;
}

.animate-gradient {
    background: linear-gradient(-45deg, var(--primary-color), var(--accent-color), var(--secondary-color), var(--primary-color));
    background-size: 400% 400%;
    animation: gradientShift 3s ease infinite;
}

/* Intersection Observer Triggered Animations */
.observe-fade {
    opacity: 0;
    transition: opacity 0.6s ease-out;
}

.observe-fade.in-view {
    opacity: 1;
}

.observe-slide-up {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease-out;
}

.observe-slide-up.in-view {
    opacity: 1;
    transform: translateY(0);
}

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

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

.observe-slide-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease-out;
}

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

.observe-slide-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease-out;
}

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

/* Staggered Animations */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

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

.stagger-children.animate > * {
    opacity: 1;
    transform: translateY(0);
}

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

/* Animation States */
.paused {
    animation-play-state: paused !important;
}

.resumed {
    animation-play-state: running !important;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .animate-complex {
        animation: fadeIn 0.3s ease-out;
    }
    
    .animate-gpu {
        transform: none;
    }
}

/* Reduced Motion Preferences */
@media (prefers-reduced-motion: reduce) {
    .animate-fade-in,
    .animate-slide-up,
    .animate-slide-down,
    .animate-slide-left,
    .animate-slide-right,
    .animate-scale,
    .observe-fade,
    .observe-slide-up,
    .observe-scale,
    .observe-slide-left,
    .observe-slide-right {
        animation: none !important;
        transition: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
    
    .animate-pulse,
    .animate-bounce,
    .animate-glow,
    .animate-rotate,
    .animate-gradient {
        animation: none !important;
    }
}