/* ========================================
   Datacraft Institute - Animations
   Advanced CSS Animations & Effects
   ======================================== */

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

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

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

@keyframes fadeInRight {
    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 rotateIn {
    from {
        opacity: 0;
        transform: rotate(-180deg) scale(0.8);
    }
    to {
        opacity: 1;
        transform: rotate(0deg) scale(1);
    }
}

@keyframes slideInUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -30px, 0);
    }
    70% {
        transform: translate3d(0, -15px, 0);
    }
    90% {
        transform: translate3d(0, -4px, 0);
    }
}

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

@keyframes flip {
    from {
        transform: perspective(400px) rotateY(-360deg);
        animation-timing-function: ease-out;
    }
    40% {
        transform: perspective(400px) translateZ(150px) rotateY(-190deg);
        animation-timing-function: ease-out;
    }
    50% {
        transform: perspective(400px) translateZ(150px) rotateY(-170deg);
        animation-timing-function: ease-in;
    }
    80% {
        transform: perspective(400px) scale(0.95);
        animation-timing-function: ease-in;
    }
    to {
        transform: perspective(400px);
        animation-timing-function: ease-in;
    }
}

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

@keyframes colorShift {
    0% {
        filter: hue-rotate(0deg);
    }
    100% {
        filter: hue-rotate(360deg);
    }
}

/* Particle Animations */
@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0px) translateX(0px) rotate(0deg);
    }
    33% {
        transform: translateY(-30px) translateX(20px) rotate(120deg);
    }
    66% {
        transform: translateY(20px) translateX(-20px) rotate(240deg);
    }
}

@keyframes particleGlow {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.2);
    }
}

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

@keyframes blink {
    0%, 50% {
        border-color: transparent;
    }
    51%, 100% {
        border-color: currentColor;
    }
}

/* Hover Animations */
@keyframes hoverLift {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(-10px);
    }
}

@keyframes hoverGlow {
    from {
        box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
    }
    to {
        box-shadow: 0 8px 40px rgba(37, 99, 235, 0.6);
    }
}

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

@keyframes dots {
    0%, 20% {
        color: rgba(0, 0, 0, 0);
        text-shadow: 0.25em 0 0 rgba(0, 0, 0, 0),
                     0.5em 0 0 rgba(0, 0, 0, 0);
    }
    40% {
        color: currentColor;
        text-shadow: 0.25em 0 0 rgba(0, 0, 0, 0),
                     0.5em 0 0 rgba(0, 0, 0, 0);
    }
    60% {
        text-shadow: 0.25em 0 0 currentColor,
                     0.5em 0 0 rgba(0, 0, 0, 0);
    }
    80%, 100% {
        text-shadow: 0.25em 0 0 currentColor,
                     0.5em 0 0 currentColor;
    }
}

/* Counter Animation */
@keyframes countUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

/* Progress Animation */
@keyframes progressBar {
    from {
        width: 0%;
    }
    to {
        width: var(--progress-width, 100%);
    }
}

/* Wave Animation */
@keyframes wave {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Morph Animation */
@keyframes morph {
    0%, 100% {
        border-radius: 40% 60% 70% 30% / 40% 40% 60% 50%;
    }
    34% {
        border-radius: 70% 30% 50% 50% / 30% 30% 70% 70%;
    }
    67% {
        border-radius: 100% 60% 60% 100% / 100% 100% 60% 60%;
    }
}

/* Animation Classes */
.animate-fadeInUp {
    animation: fadeInUp 0.8s ease-out forwards;
}

.animate-fadeInDown {
    animation: fadeInDown 0.8s ease-out forwards;
}

.animate-fadeInLeft {
    animation: fadeInLeft 0.8s ease-out forwards;
}

.animate-fadeInRight {
    animation: fadeInRight 0.8s ease-out forwards;
}

.animate-scaleIn {
    animation: scaleIn 0.6s ease-out forwards;
}

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

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

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

.animate-zoomIn {
    animation: zoomIn 0.6s ease-out forwards;
}

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

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

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

.animate-flip {
    animation: flip 1s ease-in-out;
}

.animate-gradientShift {
    background: linear-gradient(-45deg, #1e40af, #3b82f6, #60a5fa, #93c5fd);
    background-size: 400% 400%;
    animation: gradientShift 3s ease infinite;
}

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

.animate-particleFloat {
    animation: particleFloat 6s ease-in-out infinite;
}

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

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

.animate-spin {
    animation: spin 1s linear infinite;
}

.animate-dots::after {
    content: '...';
    animation: dots 1.5s steps(5, end) infinite;
}

.animate-countUp {
    overflow: hidden;
}

.animate-countUp .digit {
    display: inline-block;
    animation: countUp 0.6s ease-out forwards;
}

.animate-progressBar {
    position: relative;
    overflow: hidden;
}

.animate-progressBar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--progress-color, #3b82f6);
    animation: progressBar 2s ease-out forwards;
}

.animate-wave {
    position: relative;
    overflow: hidden;
}

.animate-wave::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: wave 2s ease-in-out infinite;
}

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

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

.hover-lift:hover {
    animation: hoverLift 0.3s ease forwards;
}

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

.hover-glow:hover {
    animation: hoverGlow 0.3s ease forwards;
}

.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);
}

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

.hover-skew:hover {
    transform: skew(-5deg, -2deg);
}

/* Animation Delays */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
.delay-700 { animation-delay: 0.7s; }
.delay-800 { animation-delay: 0.8s; }
.delay-900 { animation-delay: 0.9s; }
.delay-1000 { animation-delay: 1s; }

/* Animation Durations */
.duration-100 { animation-duration: 0.1s; }
.duration-200 { animation-duration: 0.2s; }
.duration-300 { animation-duration: 0.3s; }
.duration-500 { animation-duration: 0.5s; }
.duration-700 { animation-duration: 0.7s; }
.duration-1000 { animation-duration: 1s; }
.duration-1500 { animation-duration: 1.5s; }
.duration-2000 { animation-duration: 2s; }
.duration-3000 { animation-duration: 3s; }

/* Animation Iteration Counts */
.repeat-1 { animation-iteration-count: 1; }
.repeat-2 { animation-iteration-count: 2; }
.repeat-3 { animation-iteration-count: 3; }
.repeat-infinite { animation-iteration-count: infinite; }

/* Animation Fill Modes */
.fill-none { animation-fill-mode: none; }
.fill-forwards { animation-fill-mode: forwards; }
.fill-backwards { animation-fill-mode: backwards; }
.fill-both { animation-fill-mode: both; }

/* Animation Timing Functions */
.ease-linear { animation-timing-function: linear; }
.ease-in { animation-timing-function: ease-in; }
.ease-out { animation-timing-function: ease-out; }
.ease-in-out { animation-timing-function: ease-in-out; }
.ease-bounce { animation-timing-function: cubic-bezier(0.68, -0.55, 0.265, 1.55); }
.ease-elastic { animation-timing-function: cubic-bezier(0.175, 0.885, 0.32, 1.275); }

/* Scroll Animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

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

.scroll-fade {
    opacity: 0;
    transition: opacity 1s ease;
}

.scroll-fade.visible {
    opacity: 1;
}

.scroll-slide-left {
    opacity: 0;
    transform: translateX(-100px);
    transition: all 0.8s ease;
}

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

.scroll-slide-right {
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.8s ease;
}

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

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

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

/* Stagger Animations */
.stagger-children > * {
    animation-delay: calc(var(--stagger-delay, 0.1s) * var(--index, 0));
}

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

/* Loading States */
.loading-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: wave 1.5s ease-in-out infinite;
}

.loading-shimmer {
    position: relative;
    overflow: hidden;
    background: #f6f7f8;
}

.loading-shimmer::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
    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));
    animation: wave 2s ease-in-out infinite;
}

/* Performance Optimizations */
.will-change-auto { will-change: auto; }
.will-change-scroll { will-change: scroll-position; }
.will-change-contents { will-change: contents; }
.will-change-transform { will-change: transform; }

/* 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;
    }
}