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

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

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(50px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@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 float {
    0% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(20px) rotate(240deg); }
    100% { transform: translateY(0px) rotate(360deg); }
}

@keyframes slideInLeft {
    0% {
        opacity: 0;
        transform: translateX(-100px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    0% {
        opacity: 0;
        transform: translateX(100px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInUp {
    0% {
        opacity: 0;
        transform: translateY(100px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    0% {
        opacity: 0;
        transform: translateY(-100px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes zoomIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes zoomOut {
    0% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(0.3);
    }
}

@keyframes rotateIn {
    0% {
        opacity: 0;
        transform: rotate(-360deg);
    }
    100% {
        opacity: 1;
        transform: rotate(0deg);
    }
}

@keyframes flipInX {
    0% {
        opacity: 0;
        transform: perspective(400px) rotateX(90deg);
    }
    100% {
        opacity: 1;
        transform: perspective(400px) rotateX(0deg);
    }
}

@keyframes flipInY {
    0% {
        opacity: 0;
        transform: perspective(400px) rotateY(90deg);
    }
    100% {
        opacity: 1;
        transform: perspective(400px) rotateY(0deg);
    }
}

@keyframes rubberBand {
    0% { transform: scale(1); }
    30% { transform: scale(1.25, 0.75); }
    40% { transform: scale(0.75, 1.25); }
    50% { transform: scale(1.15, 0.85); }
    65% { transform: scale(0.95, 1.05); }
    75% { transform: scale(1.05, 0.95); }
    100% { transform: scale(1); }
}

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

@keyframes wobble {
    0% { transform: translateX(0%); }
    15% { transform: translateX(-25%) rotate(-5deg); }
    30% { transform: translateX(20%) rotate(3deg); }
    45% { transform: translateX(-15%) rotate(-3deg); }
    60% { transform: translateX(10%) rotate(2deg); }
    75% { transform: translateX(-5%) rotate(-1deg); }
    100% { transform: translateX(0%); }
}

@keyframes jello {
    0%, 100% { transform: skew(0deg, 0deg); }
    30% { transform: skew(-12.5deg, -12.5deg); }
    40% { transform: skew(6.25deg, 6.25deg); }
    50% { transform: skew(-3.125deg, -3.125deg); }
    65% { transform: skew(1.5625deg, 1.5625deg); }
    75% { transform: skew(-0.78125deg, -0.78125deg); }
}

@keyframes heartBeat {
    0% { transform: scale(1); }
    14% { transform: scale(1.3); }
    28% { transform: scale(1); }
    42% { transform: scale(1.3); }
    70% { transform: scale(1); }
}

@keyframes slideInBlur {
    0% {
        opacity: 0;
        transform: translateY(80px);
        filter: blur(5px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

@keyframes morphing {
    0% { border-radius: 50%; }
    25% { border-radius: 25% 75% 25% 75%; }
    50% { border-radius: 75% 25% 75% 25%; }
    75% { border-radius: 25% 75% 75% 25%; }
    100% { border-radius: 50%; }
}

@keyframes liquid {
    0% { transform: scale(1) rotate(0deg); }
    25% { transform: scale(1.1) rotate(90deg); }
    50% { transform: scale(0.9) rotate(180deg); }
    75% { transform: scale(1.1) rotate(270deg); }
    100% { transform: scale(1) rotate(360deg); }
}

@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); }
}

@keyframes neonGlow {
    0% { 
        box-shadow: 0 0 5px var(--primary-color),
                    0 0 10px var(--primary-color),
                    0 0 15px var(--primary-color);
    }
    50% { 
        box-shadow: 0 0 10px var(--primary-color),
                    0 0 20px var(--primary-color),
                    0 0 30px var(--primary-color);
    }
    100% { 
        box-shadow: 0 0 5px var(--primary-color),
                    0 0 10px var(--primary-color),
                    0 0 15px var(--primary-color);
    }
}

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

@keyframes modalSlideIn {
    0% {
        opacity: 0;
        transform: translateY(-50px) scale(0.8);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

@keyframes blinkCursor {
    0%, 50% { border-color: transparent; }
    51%, 100% { border-color: var(--primary-color); }
}

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

/* 3D Hover Effects */
.card-3d {
    perspective: 1000px;
}

.card-3d-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.card-3d:hover .card-3d-inner {
    transform: rotateY(180deg);
}

.card-3d-front, .card-3d-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}

.card-3d-back {
    transform: rotateY(180deg);
}

/* Morphing Animations */
.morph-circle {
    animation: morphing 4s infinite;
}

.liquid-animation {
    animation: liquid 6s infinite;
}

.glitch-effect {
    animation: glitch 0.3s infinite;
}

.neon-glow {
    animation: neonGlow 2s infinite;
}

/* Particle Effect Base */
.particle-container {
    position: relative;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
    pointer-events: none;
    opacity: 0.7;
}

/* Magnetic Hover Effect */
.magnetic {
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.magnetic:hover {
    transform: scale(1.1);
}

/* Scroll Reveal Animations */
.reveal-left {
    opacity: 0;
    transform: translateX(-100px);
    transition: all 0.6s ease-out;
}

.reveal-right {
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.6s ease-out;
}

.reveal-up {
    opacity: 0;
    transform: translateY(100px);
    transition: all 0.6s ease-out;
}

.reveal-down {
    opacity: 0;
    transform: translateY(-100px);
    transition: all 0.6s ease-out;
}

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

.reveal-rotate {
    opacity: 0;
    transform: rotate(180deg);
    transition: all 0.6s ease-out;
}

.reveal-left.revealed,
.reveal-right.revealed,
.reveal-up.revealed,
.reveal-down.revealed,
.reveal-scale.revealed,
.reveal-rotate.revealed {
    opacity: 1;
    transform: translate(0) scale(1) rotate(0);
}

/* Stagger Animation */
.stagger-item {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease-out;
}

.stagger-item.animate {
    opacity: 1;
    transform: translateY(0);
}

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

/* Ripple Effect */
.ripple-effect {
    position: relative;
    overflow: hidden;
}

.ripple-effect::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

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

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

.floating:nth-child(1) { animation-delay: 0s; }
.floating:nth-child(2) { animation-delay: 1s; }
.floating:nth-child(3) { animation-delay: 2s; }
.floating:nth-child(4) { animation-delay: 3s; }

/* Elastic Animation */
.elastic {
    animation: rubberBand 1s;
}

/* Jello Animation */
.jello-animation {
    animation: jello 1s;
}

/* Heart Beat Animation */
.heartbeat {
    animation: heartBeat 1.5s infinite;
}

/* Wobble Animation */
.wobble-animation {
    animation: wobble 1s;
}

/* Shake Animation */
.shake-animation {
    animation: shake 0.5s;
}

/* Typewriter Effect */
.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--primary-color);
    white-space: nowrap;
    animation: typewriter 3s steps(40, end), blinkCursor 0.75s step-end infinite;
}

/* Gradient Animation */
.gradient-animation {
    background: linear-gradient(-45deg, #0066ff, #00ccff, #ff6b6b, #ff8e8e);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

/* Tilt Effect */
.tilt-effect {
    transition: transform 0.3s;
}

.tilt-effect:hover {
    transform: perspective(1000px) rotateX(10deg) rotateY(10deg);
}

/* Blur Effect */
.blur-effect {
    transition: filter 0.3s;
}

.blur-effect:hover {
    filter: blur(2px);
}

/* Scale Effect */
.scale-effect {
    transition: transform 0.3s;
}

.scale-effect:hover {
    transform: scale(1.1);
}

/* Rotate Effect */
.rotate-effect {
    transition: transform 0.3s;
}

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

/* Glow Effect */
.glow-effect {
    transition: box-shadow 0.3s;
}

.glow-effect:hover {
    box-shadow: 0 0 20px var(--primary-color);
}

/* Slide Effects */
.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

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

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

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

/* Zoom Effects */
.zoom-in {
    animation: zoomIn 0.6s ease-out;
}

.zoom-out {
    animation: zoomOut 0.6s ease-out;
}

/* Flip Effects */
.flip-in-x {
    animation: flipInX 0.6s ease-out;
}

.flip-in-y {
    animation: flipInY 0.6s ease-out;
}

/* Rotate Effects */
.rotate-in {
    animation: rotateIn 0.6s ease-out;
}

/* Blur Slide Effect */
.blur-slide {
    animation: slideInBlur 0.8s ease-out;
}

/* Loading States */
.loading-shimmer {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

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

/* Hover Transform Effects */
.hover-lift {
    transition: transform 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-10px);
}

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

.hover-tilt:hover {
    transform: rotate(3deg);
}

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

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

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

.hover-skew:hover {
    transform: skew(-5deg, 0);
}

/* Text Effects */
.text-shadow-glow {
    text-shadow: 0 0 10px var(--primary-color);
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-stroke {
    -webkit-text-stroke: 2px var(--primary-color);
    -webkit-text-fill-color: transparent;
}

/* Performance Optimizations */
.gpu-accelerated {
    transform: translateZ(0);
    will-change: transform;
}

.smooth-scroll {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

/* Reduced Motion Preferences */
@media (prefers-reduced-motion: reduce) {
    .floating,
    .pulse-animation,
    .heartbeat,
    .shake-animation,
    .wobble-animation,
    .jello-animation,
    .elastic,
    .morph-circle,
    .liquid-animation,
    .glitch-effect,
    .neon-glow,
    .gradient-animation {
        animation: none !important;
    }
    
    .hover-lift:hover,
    .hover-tilt:hover,
    .hover-scale:hover,
    .hover-skew:hover {
        transform: none !important;
    }
}