/* ========================================
   MODERN ANIMATIONS & TRANSITIONS
   Smooth & Professional Animations
   ======================================== */

/* ===== FADE IN 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(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes scaleUp {
    from {
        transform: scale(1);
    }
    to {
        transform: scale(1.05);
    }
}

/* ===== SLIDE ANIMATIONS ===== */
@keyframes slideInUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

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

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

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

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

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-180deg) scale(0.5);
    }
    to {
        opacity: 1;
        transform: rotate(0deg) scale(1);
    }
}

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

@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);
    }
}

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

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(228, 3, 44, 0.7);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(228, 3, 44, 0);
    }
}

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

/* ===== FLIP ANIMATIONS ===== */
@keyframes flipInX {
    from {
        transform: perspective(400px) rotateX(90deg);
        opacity: 0;
    }
    to {
        transform: perspective(400px) rotateX(0deg);
        opacity: 1;
    }
}

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

/* ===== ZOOM ANIMATIONS ===== */
@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

/* ===== UTILITY CLASSES ===== */
.animate-fadeIn {
    animation: fadeIn 0.6s ease-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;
}

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

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

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

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

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

/* ===== DELAY CLASSES ===== */
.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;
}

/* ===== DURATION CLASSES ===== */
.duration-fast {
    animation-duration: 0.3s;
}

.duration-normal {
    animation-duration: 0.6s;
}

.duration-slow {
    animation-duration: 1s;
}

/* ===== HOVER ANIMATIONS ===== */
.hover-scale:hover {
    animation: scaleUp 0.3s ease-out forwards;
}

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

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

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

/* ===== LOADING ANIMATIONS ===== */
@keyframes spin {
    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;
    }
}

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

.loading-dots::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

/* ===== ENTRANCE ANIMATIONS ===== */
.entrance-1 {
    animation: fadeInUp 0.6s ease-out;
}

.entrance-2 {
    animation: fadeInUp 0.6s ease-out 0.1s backwards;
}

.entrance-3 {
    animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

.entrance-4 {
    animation: fadeInUp 0.6s ease-out 0.3s backwards;
}

.entrance-5 {
    animation: fadeInUp 0.6s ease-out 0.4s backwards;
}

/* ===== STAGGER ANIMATIONS ===== */
.stagger-item:nth-child(1) {
    animation-delay: 0.1s;
}

.stagger-item:nth-child(2) {
    animation-delay: 0.2s;
}

.stagger-item:nth-child(3) {
    animation-delay: 0.3s;
}

.stagger-item:nth-child(4) {
    animation-delay: 0.4s;
}

.stagger-item:nth-child(5) {
    animation-delay: 0.5s;
}

.stagger-item:nth-child(6) {
    animation-delay: 0.6s;
}

/* ===== SMOOTH TRANSITIONS ===== */
.transition-all {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-fast {
    transition: all 0.15s ease;
}

.transition-normal {
    transition: all 0.3s ease;
}

.transition-slow {
    transition: all 0.6s ease;
}

/* ===== EASING FUNCTIONS ===== */
.ease-in-out {
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.ease-out {
    transition-timing-function: cubic-bezier(0, 0, 0.2, 1);
}

.ease-in {
    transition-timing-function: cubic-bezier(0.4, 0, 1, 1);
}

.ease-bounce {
    transition-timing-function: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ===== PERFORMANCE OPTIMIZATION ===== */
.will-change-transform {
    will-change: transform;
}

.will-change-opacity {
    will-change: opacity;
}

.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

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