/*
 * Portfolio - Animations Stylesheet
 * Author: Rajesh Sharma
 * Description: Animation keyframes and transition effects
 */

/* ==========================================
   KEYFRAME ANIMATIONS
========================================== */

/* Fade In */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Fade In Up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade In Down */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade In Left */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Fade In Right */
@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Fade Out */
@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

/* Slide In Up */
@keyframes slideInUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Slide In Down */
@keyframes slideInDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Slide In Left */
@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Slide In Right */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Slide Out */
@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(-100%);
        opacity: 0;
    }
}

/* Zoom In */
@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Zoom Out */
@keyframes zoomOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.5);
    }
}

/* Bounce */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-30px);
    }
    60% {
        transform: translateY(-15px);
    }
}

/* Bounce In */
@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Bounce Out */
@keyframes bounceOut {
    0% {
        transform: scale(1);
    }
    25% {
        transform: scale(0.95);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
    100% {
        opacity: 0;
        transform: scale(0.3);
    }
}

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

/* Heartbeat */
@keyframes heartbeat {
    0% {
        transform: scale(1);
    }
    14% {
        transform: scale(1.1);
    }
    28% {
        transform: scale(1);
    }
    42% {
        transform: scale(1.1);
    }
    70% {
        transform: scale(1);
    }
}

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

/* Swing */
@keyframes swing {
    20% {
        transform: rotate(15deg);
    }
    40% {
        transform: rotate(-10deg);
    }
    60% {
        transform: rotate(5deg);
    }
    80% {
        transform: rotate(-5deg);
    }
    100% {
        transform: rotate(0deg);
    }
}

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

/* Flip */
@keyframes flip {
    from {
        transform: perspective(400px) rotateY(0);
    }
    to {
        transform: perspective(400px) rotateY(360deg);
    }
}

/* Flip In X */
@keyframes flipInX {
    from {
        transform: perspective(400px) rotateX(90deg);
        opacity: 0;
    }
    40% {
        transform: perspective(400px) rotateX(-10deg);
    }
    70% {
        transform: perspective(400px) rotateX(10deg);
    }
    to {
        transform: perspective(400px) rotateX(0deg);
        opacity: 1;
    }
}

/* Flip In Y */
@keyframes flipInY {
    from {
        transform: perspective(400px) rotateY(90deg);
        opacity: 0;
    }
    40% {
        transform: perspective(400px) rotateY(-10deg);
    }
    70% {
        transform: perspective(400px) rotateY(10deg);
    }
    to {
        transform: perspective(400px) rotateY(0deg);
        opacity: 1;
    }
}

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

/* Rotate In */
@keyframes rotateIn {
    from {
        transform: rotate(-200deg);
        opacity: 0;
    }
    to {
        transform: rotate(0deg);
        opacity: 1;
    }
}

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

/* Float Up Down */
@keyframes floatUpDown {
    0%, 100% {
        transform: translateY(0);
    }
    25% {
        transform: translateY(-15px);
    }
    50% {
        transform: translateY(0);
    }
    75% {
        transform: translateY(15px);
    }
}

/* Glow */
@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(0, 123, 255, 0.8);
    }
}

/* Shimmer */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* Typing Cursor */
@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

/* Progress Bar Fill */
@keyframes progressFill {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

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

/* Slide Up Reveal */
@keyframes slideUpReveal {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Scale In */
@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* Scale Out */
@keyframes scaleOut {
    from {
        transform: scale(1);
        opacity: 1;
    }
    to {
        transform: scale(0);
        opacity: 0;
    }
}

/* ==========================================
   UTILITY ANIMATION CLASSES
========================================== */

/* Fade Animations */
.animate-fadeIn {
    animation: fadeIn 1s ease-in-out;
}

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

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

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

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

/* Slide Animations */
.animate-slideInUp {
    animation: slideInUp 0.8s ease-out;
}

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

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

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

/* Zoom Animations */
.animate-zoomIn {
    animation: zoomIn 0.6s ease-out;
}

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

/* Bounce Animations */
.animate-bounce {
    animation: bounce 2s infinite;
}

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

/* Pulse Animation */
.animate-pulse {
    animation: pulse 2s infinite;
}

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

/* Swing Animation */
.animate-swing {
    animation: swing 1s;
}

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

/* Flip Animation */
.animate-flip {
    animation: flip 1s;
}

/* Rotate Animation */
.animate-rotate {
    animation: rotate 2s linear infinite;
}

/* Float Animation */
.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* Glow Animation */
.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

/* ==========================================
   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-fast { animation-duration: 0.3s; }
.duration-normal { animation-duration: 0.5s; }
.duration-slow { animation-duration: 1s; }
.duration-slower { animation-duration: 2s; }

/* ==========================================
   HOVER EFFECTS
========================================== */

/* Hover Grow */
.hover-grow {
    transition: transform 0.3s ease;
}

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

/* Hover Shrink */
.hover-shrink {
    transition: transform 0.3s ease;
}

.hover-shrink:hover {
    transform: scale(0.95);
}

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

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* Hover Float */
.hover-float {
    transition: transform 0.3s ease;
}

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

/* Hover Rotate */
.hover-rotate {
    transition: transform 0.3s ease;
}

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

/* Hover Glow */
.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(0, 123, 255, 0.6);
}

/* Hover Underline */
.hover-underline {
    position: relative;
}

.hover-underline::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: width 0.3s ease;
}

.hover-underline:hover::after {
    width: 100%;
}

/* Hover Overlay */
.hover-overlay {
    position: relative;
    overflow: hidden;
}

.hover-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(0, 123, 255, 0.1);
    transition: left 0.3s ease;
}

.hover-overlay:hover::before {
    left: 0;
}

/* ==========================================
   LOADING ANIMATIONS
========================================== */

/* Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 123, 255, 0.1);
    border-top-color: #007bff;
    border-radius: 50%;
    animation: rotate 1s linear infinite;
}

/* Dots Loader */
.dots-loader {
    display: flex;
    gap: 0.5rem;
}

.dots-loader span {
    width: 10px;
    height: 10px;
    background: #007bff;
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out;
}

.dots-loader span:nth-child(1) {
    animation-delay: -0.32s;
}

.dots-loader span:nth-child(2) {
    animation-delay: -0.16s;
}

/* Progress Bar Animation */
.progress-animated .progress-bar {
    animation: progressFill 2s ease-in-out;
}

/* ==========================================
   ENTRANCE ANIMATIONS (Page Load)
========================================== */
.entrance-fadeIn {
    opacity: 0;
    animation: fadeIn 0.8s ease-in-out forwards;
}

.entrance-slideUp {
    opacity: 0;
    transform: translateY(50px);
    animation: fadeInUp 0.8s ease-out forwards;
}

.entrance-slideDown {
    opacity: 0;
    transform: translateY(-50px);
    animation: fadeInDown 0.8s ease-out forwards;
}

.entrance-slideLeft {
    opacity: 0;
    transform: translateX(-50px);
    animation: fadeInLeft 0.8s ease-out forwards;
}

.entrance-slideRight {
    opacity: 0;
    transform: translateX(50px);
    animation: fadeInRight 0.8s ease-out forwards;
}

.entrance-zoomIn {
    opacity: 0;
    transform: scale(0.5);
    animation: zoomIn 0.8s ease-out forwards;
}

/* ==========================================
   SCROLL REVEAL ANIMATIONS
========================================== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* ==========================================
   TRANSITIONS
========================================== */

/* Smooth All */
.transition-all {
    transition: all 0.3s ease;
}

/* Smooth Transform */
.transition-transform {
    transition: transform 0.3s ease;
}

/* Smooth Opacity */
.transition-opacity {
    transition: opacity 0.3s ease;
}

/* Smooth Colors */
.transition-colors {
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Smooth Shadow */
.transition-shadow {
    transition: box-shadow 0.3s ease;
}

/* ==========================================
   BUTTON ANIMATIONS
========================================== */

/* Button Pulse */
.btn-pulse {
    animation: pulse 2s infinite;
}

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

.btn-ripple::after {
    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;
}

.btn-ripple:hover::after {
    width: 300px;
    height: 300px;
}

/* ==========================================
   CARD ANIMATIONS
========================================== */

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

.card-flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    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);
}

/* ==========================================
   TEXT ANIMATIONS
========================================== */

/* Typing Effect */
.typing-effect {
    border-right: 2px solid;
    animation: blink 0.7s step-end infinite;
}

/* Gradient Text Animation */
.gradient-text-animated {
    background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s linear infinite;
}

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

/* Disable animations on mobile for performance */
@media (max-width: 768px) {
    .animate-fadeIn,
    .animate-fadeInUp,
    .animate-fadeInDown,
    .animate-fadeInLeft,
    .animate-fadeInRight,
    .animate-slideInUp,
    .animate-slideInDown,
    .animate-slideInLeft,
    .animate-slideInRight {
        animation: none;
        opacity: 1;
        transform: none;
    }
}