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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.1);
    }
}

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

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px var(--color-cyber-cyan);
    }
    50% {
        box-shadow: 0 0 20px var(--color-cyber-cyan);
    }
}

@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);
    }
}

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

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

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

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

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

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

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

@keyframes matrix-rain {
    0% {
        transform: translateY(-100vh);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

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

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

@keyframes neon-glow {
    0%, 100% {
        text-shadow: 
            0 0 5px var(--color-cyber-cyan),
            0 0 10px var(--color-cyber-cyan),
            0 0 15px var(--color-cyber-cyan);
    }
    50% {
        text-shadow: 
            0 0 2px var(--color-cyber-cyan),
            0 0 5px var(--color-cyber-cyan),
            0 0 8px var(--color-cyber-cyan);
    }
}

@keyframes circuit-flow {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateX(100%);
        opacity: 0;
    }
}

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

@keyframes cyber-scan {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

@keyframes hologram-flicker {
    0%, 100% {
        opacity: 1;
    }
    98% {
        opacity: 1;
    }
    99% {
        opacity: 0.8;
    }
    99.5% {
        opacity: 1;
    }
}

@keyframes electric-spark {
    0%, 100% {
        box-shadow: 
            0 0 5px var(--color-cyber-cyan),
            inset 0 0 5px var(--color-cyber-cyan);
    }
    25% {
        box-shadow: 
            0 0 10px var(--color-cyber-purple),
            inset 0 0 10px var(--color-cyber-purple);
    }
    50% {
        box-shadow: 
            0 0 15px var(--color-cyber-blue),
            inset 0 0 15px var(--color-cyber-blue);
    }
    75% {
        box-shadow: 
            0 0 10px var(--color-cyber-green),
            inset 0 0 10px var(--color-cyber-green);
    }
}

@keyframes digital-noise {
    0% {
        filter: hue-rotate(0deg);
    }
    25% {
        filter: hue-rotate(90deg);
    }
    50% {
        filter: hue-rotate(180deg);
    }
    75% {
        filter: hue-rotate(270deg);
    }
    100% {
        filter: hue-rotate(360deg);
    }
}

@keyframes quantum-tunnel {
    0% {
        transform: perspective(1000px) rotateX(0deg) rotateY(0deg);
    }
    25% {
        transform: perspective(1000px) rotateX(5deg) rotateY(5deg);
    }
    50% {
        transform: perspective(1000px) rotateX(0deg) rotateY(10deg);
    }
    75% {
        transform: perspective(1000px) rotateX(-5deg) rotateY(5deg);
    }
    100% {
        transform: perspective(1000px) rotateX(0deg) rotateY(0deg);
    }
}

@keyframes cyber-heartbeat {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    14% {
        transform: scale(1.1);
        opacity: 0.8;
    }
    28% {
        transform: scale(1);
        opacity: 1;
    }
    42% {
        transform: scale(1.1);
        opacity: 0.8;
    }
    70% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Animation Classes */
.animate-float {
    animation: float 6s ease-in-out infinite;
}

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

.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;
}

.animate-slide-in-bottom {
    animation: slideInFromBottom 0.8s ease-out;
}

.animate-slide-in-top {
    animation: slideInFromTop 0.8s ease-out;
}

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

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

.animate-typing {
    overflow: hidden;
    border-right: 2px solid var(--color-cyber-cyan);
    white-space: nowrap;
    animation: typing 3s steps(40, end), blink-caret 0.75s step-end infinite;
}

.animate-neon-glow {
    animation: neon-glow 2s ease-in-out infinite alternate;
}

.animate-circuit-flow {
    animation: circuit-flow 3s linear infinite;
}

.animate-data-stream {
    animation: data-stream 2s linear infinite;
}

.animate-cyber-scan {
    animation: cyber-scan 2s linear infinite;
}

.animate-hologram-flicker {
    animation: hologram-flicker 0.1s linear infinite;
}

.animate-electric-spark {
    animation: electric-spark 1.5s ease-in-out infinite;
}

.animate-digital-noise {
    animation: digital-noise 4s linear infinite;
}

.animate-quantum-tunnel {
    animation: quantum-tunnel 8s ease-in-out infinite;
}

.animate-cyber-heartbeat {
    animation: cyber-heartbeat 2s ease-in-out infinite;
}

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

.hover-lift:hover {
    transform: translateY(-5px);
}

.hover-glow {
    transition: all var(--transition-medium);
}

.hover-glow:hover {
    box-shadow: var(--shadow-glow);
    border-color: var(--color-cyber-cyan);
}

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

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

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

.hover-rotate:hover {
    transform: rotate(360deg);
}

.hover-pulse {
    transition: all var(--transition-medium);
}

.hover-pulse:hover {
    animation: pulse 0.6s ease-in-out;
}

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

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

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

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

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

.animate-on-scroll-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll-left.animated {
    opacity: 1;
    transform: translateX(0);
}

.animate-on-scroll-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll-right.animated {
    opacity: 1;
    transform: translateX(0);
}

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

.animate-on-scroll-scale.animated {
    opacity: 1;
    transform: scale(1);
}

/* Loading and State Animations */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--color-cyber-cyan);
    animation: spin 1s linear infinite;
}

.success-checkmark {
    display: inline-block;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-cyber-green);
    position: relative;
}

.success-checkmark::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 8px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.error-cross {
    display: inline-block;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-cyber-red);
    position: relative;
}

.error-cross::before,
.error-cross::after {
    content: '';
    position: absolute;
    top: 9px;
    left: 5px;
    width: 10px;
    height: 2px;
    background: white;
}

.error-cross::before {
    transform: rotate(45deg);
}

.error-cross::after {
    transform: rotate(-45deg);
}

/* Stagger Animation Delays */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }
.stagger-7 { animation-delay: 0.7s; }
.stagger-8 { animation-delay: 0.8s; }
.stagger-9 { animation-delay: 0.9s; }
.stagger-10 { animation-delay: 1s; }

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

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

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

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

/* 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;
    }
    
    .animate-float,
    .animate-glow,
    .animate-neon-glow,
    .animate-pulse,
    .animate-spin {
        animation: none;
    }
}