/* TaraOno - Animations
 * High-performance animations following best practices
 * Only animate transform and opacity for 60 FPS
 */

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
.animated-element {
    will-change: transform, opacity;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Remove will-change after animation completes */
.animation-complete {
    will-change: auto;
}

/* ===== ACCESSIBILITY ===== */
@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;
    }
}

/* ===== FADE ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@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);
    }
}

/* ===== SCALE ANIMATIONS ===== */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

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

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

/* ===== BOUNCE ANIMATIONS ===== */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

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

/* ===== SLIDE ANIMATIONS ===== */
@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

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

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

/* ===== UTILITY CLASSES ===== */
.fade-in {
    animation: fadeIn 0.8s ease-in forwards;
}

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

.fade-in-down {
    animation: fadeInDown 0.8s ease-out forwards;
}

.fade-in-left {
    animation: fadeInLeft 0.8s ease-out forwards;
}

.fade-in-right {
    animation: fadeInRight 0.8s ease-out forwards;
}

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

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

.bounce-in {
    animation: bounceIn 0.8s ease-out forwards;
}

/* Delayed animations */
.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; }

/* ===== HOVER EFFECTS ===== */
.hover-lift {
    transition: transform 0.3s ease;
}

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

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

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

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

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

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

.shimmer {
    background: linear-gradient(
        90deg,
        #f0f0f0 0px,
        #e0e0e0 40px,
        #f0f0f0 80px
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* ===== TEXT ANIMATIONS ===== */
@keyframes typewriter {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

.typewriter {
    overflow: hidden;
    white-space: nowrap;
    animation: typewriter 2s steps(40) forwards;
}

/* ===== PARTICLE EFFECTS (CSS only) ===== */
@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    25% {
        transform: translateY(-10px) translateX(5px);
    }
    50% {
        transform: translateY(-5px) translateX(-5px);
    }
    75% {
        transform: translateY(-15px) translateX(10px);
    }
}

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

/* ===== GRADIENT ANIMATIONS ===== */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.gradient-animated {
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

/* ===== SCROLL-TRIGGERED (via GSAP) ===== */
/* Initial state for scroll-triggered elements */
.fade-in-section {
    opacity: 0;
    transform: translateY(50px);
}

/* Will be animated by GSAP ScrollTrigger */

/* ===== STAGGER ANIMATIONS ===== */
/* For GSAP stagger animations */
.stagger-item {
    opacity: 0;
    transform: translateY(30px);
}

/* ===== CHARACTER ANIMATIONS (for translator) ===== */
@keyframes characterFlip {
    from {
        transform: rotateY(0deg);
    }
    to {
        transform: rotateY(360deg);
    }
}

.character-flip {
    display: inline-block;
    animation: characterFlip 0.6s ease-out forwards;
}

/* ===== RIPPLE EFFECT ===== */
@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

.ripple {
    position: relative;
    overflow: hidden;
}

.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%);
    animation: ripple 0.6s ease-out;
}

/* ===== GLOW PULSE ===== */
@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 5px rgba(99, 102, 241, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.8);
    }
}

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

/* ===== SUCCESS/ERROR ANIMATIONS ===== */
@keyframes successPop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
        opacity: 1;
    }
    100% {
        transform: scale(1);
    }
}

.success-pop {
    animation: successPop 0.5s ease-out forwards;
}

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

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

/* ===== PAGE TRANSITIONS ===== */
@keyframes pageEnter {
    from {
        opacity: 0;
        transform: scale(0.98);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.page-enter {
    animation: pageEnter 0.5s ease-out forwards;
}

/* ===== RESPONSIVE ANIMATIONS ===== */
@media (max-width: 768px) {
    /* Reduce animation complexity on mobile */
    .fade-in-section {
        transform: translateY(20px);
    }

    /* Faster animations on mobile */
    .fade-in,
    .fade-in-up,
    .scale-in {
        animation-duration: 0.5s;
    }
}

/* ===== DARK MODE ANIMATIONS ===== */
@media (prefers-color-scheme: dark) {
    .shimmer {
        background: linear-gradient(
            90deg,
            #2a2a2a 0px,
            #3a3a3a 40px,
            #2a2a2a 80px
        );
        background-size: 1000px 100%;
    }
}