/* Keyframe Animations */
@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

@keyframes progress {
    0% { width: 0; }
    50% { width: 70%; }
    100% { width: 100%; }
}

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

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

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

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(57, 255, 20, 0.7);
    }
    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(57, 255, 20, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(57, 255, 20, 0);
    }
}

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

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(57, 255, 20, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(57, 255, 20, 0.8);
    }
}

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

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

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

/* Animation Classes */
.animate-fade-in {
    animation: fadeIn 0.8s ease forwards;
}

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

.animate-slide-in-left {
    animation: slideInLeft 0.8s ease forwards;
}

.animate-slide-in-right {
    animation: slideInRight 0.8s ease forwards;
}

.animate-slide-in-up {
    animation: slideInUp 0.8s ease forwards;
}

.animate-slide-in-down {
    animation: slideInDown 0.8s ease forwards;
}

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

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

.animate-float {
    animation: float 3s ease-in-out infinite;
}

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

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

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

.animate-shimmer {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.2) 20%,
        rgba(255, 255, 255, 0.5) 60%,
        rgba(255, 255, 255, 0)
    );
    background-size: 200px 100%;
    animation: shimmer 2s infinite;
}

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

/* Hover Animations */
.hover-scale {
    transition: transform 0.3s ease;
}

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

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

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(57, 255, 20, 0.5);
}

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

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

.hover-flip {
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.hover-flip:hover {
    transform: rotateY(180deg);
}

/* Scroll Animations */
.scroll-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.scroll-slide-left.visible {
    opacity: 1;
    transform: translateX(0);
}

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

.scroll-slide-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scroll-scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

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

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

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-left: 4px solid var(--accent-color);
    border-radius: 50%;
    animation: rotate 1s linear infinite;
}

/* Text Animations */
.text-rainbow {
    background: linear-gradient(
        45deg,
        #ff0000,
        #ff8000,
        #ffff00,
        #80ff00,
        #00ff00,
        #00ff80,
        #00ffff,
        #0080ff,
        #0000ff,
        #8000ff,
        #ff00ff,
        #ff0080
    );
    background-size: 400% 400%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 3s ease infinite;
}

.text-glow {
    text-shadow: 0 0 10px var(--accent-color);
    animation: glow 2s ease-in-out infinite alternate;
}

/* Card Animations */
.card-flip {
    perspective: 1000px;
}

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

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

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

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

/* Button Animations */
.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;
}

.btn-slide {
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-slide::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;
    z-index: -1;
}

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

/* Stagger Animation Classes */
.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; }

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

.animate-smooth {
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
    perspective: 1000;
}

/* Media Queries for Animations */
@media (max-width: 768px) {
    .animate-fade-in-up,
    .animate-slide-in-left,
    .animate-slide-in-right {
        animation-duration: 0.6s;
    }
    
    .hover-lift:hover {
        transform: translateY(-5px);
    }
    
    .hover-scale:hover {
        transform: scale(1.02);
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark mode specific animations */
@media (prefers-color-scheme: dark) {
    .animate-glow {
        animation: glow 2s ease-in-out infinite alternate;
    }
    
    .text-glow {
        text-shadow: 0 0 15px var(--accent-color);
    }
}