/**
 * ============================================
 * ANIMACIONES CSS
 * ============================================
 */

/* ============================================
   KEYFRAMES
   ============================================ */

/* 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);
    }
}

/* Scale In */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Slide Up */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Slide Down */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Pulse */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(5, 150, 105, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(5, 150, 105, 0);
    }
}

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

/* Wiggle */
@keyframes wiggle {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(-5deg);
    }
    75% {
        transform: rotate(5deg);
    }
}

/* Float */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

/* Spin */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Loading Bar */
@keyframes loadingBar {
    0% {
        width: 0;
        margin-left: 0;
    }
    50% {
        width: 100%;
        margin-left: 0;
    }
    100% {
        width: 0;
        margin-left: 100%;
    }
}

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

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

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

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

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

/* Flip In */
@keyframes flipIn {
    from {
        transform: perspective(400px) rotateY(90deg);
        opacity: 0;
    }
    to {
        transform: perspective(400px) rotateY(0deg);
        opacity: 1;
    }
}

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

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

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

/* Fade Animations */
.animate-fadeIn {
    animation: fadeIn 0.5s ease-out;
}

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

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

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

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

/* Scale Animations */
.animate-scaleIn {
    animation: scaleIn 0.4s ease-out;
}

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

/* Movement Animations */
.animate-slideUp {
    animation: slideUp 0.5s ease-out;
}

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

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

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

/* Attention Seekers */
.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

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

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

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

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

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

/* Other */
.animate-flipIn {
    animation: flipIn 0.6s ease-out;
}

/* Animation Delays */
.delay-100 {
    animation-delay: 100ms;
}

.delay-200 {
    animation-delay: 200ms;
}

.delay-300 {
    animation-delay: 300ms;
}

.delay-400 {
    animation-delay: 400ms;
}

.delay-500 {
    animation-delay: 500ms;
}

.delay-700 {
    animation-delay: 700ms;
}

.delay-1000 {
    animation-delay: 1000ms;
}

/* Animation Durations */
.duration-fast {
    animation-duration: 0.3s;
}

.duration-normal {
    animation-duration: 0.5s;
}

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

.duration-slower {
    animation-duration: 2s;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */

/* Elementos que aparecen al hacer scroll */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.scroll-animate-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.scroll-animate-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.scroll-animate-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

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

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

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

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

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

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

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

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

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

/* Shake on Hover */
.hover-shake:hover {
    animation: shake 0.5s ease-in-out;
}

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

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(5, 150, 105, 0.5);
}

/* Underline Animation */
.hover-underline {
    position: relative;
    display: inline-block;
}

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

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

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

/* Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

.spinner-lg {
    width: 60px;
    height: 60px;
    border-width: 6px;
}

/* Dots */
.loading-dots {
    display: inline-flex;
    gap: 8px;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

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

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

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-200) 25%,
        var(--gray-100) 50%,
        var(--gray-200) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius);
}

.skeleton-text {
    height: 16px;
    margin-bottom: 8px;
}

.skeleton-title {
    height: 24px;
    margin-bottom: 12px;
}

.skeleton-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
}

.skeleton-image {
    width: 100%;
    height: 200px;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--primary);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

.progress-bar-animated {
    animation: loadingBar 1.5s ease-in-out infinite;
}

/* ============================================
   RIPPLE EFFECT
   ============================================ */

.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%);
    transition: width 0.6s, height 0.6s;
}

.ripple:active::after {
    width: 300px;
    height: 300px;
}

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

/* Smooth transitions for all interactive elements */
.transition-all {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-colors {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.transition-transform {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-opacity {
    transition: opacity 0.3s ease;
}

/* ============================================
   ENTRANCE ANIMATIONS (on page load)
   ============================================ */

.entrance-1 {
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.entrance-2 {
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.entrance-3 {
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.entrance-4 {
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.entrance-5 {
    animation: fadeInUp 0.6s ease-out 0.5s both;
}

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

.card-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

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

/* ============================================
   BACKGROUND ANIMATIONS
   ============================================ */

.bg-gradient-animate {
    background: linear-gradient(
        -45deg,
        var(--primary),
        var(--primary-light),
        var(--secondary),
        var(--primary-dark)
    );
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

/* ============================================
   IMAGE ANIMATIONS
   ============================================ */

.image-zoom {
    overflow: hidden;
}

.image-zoom img {
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.image-zoom:hover img {
    transform: scale(1.1);
}

/* ============================================
   STAGGER ANIMATIONS
   ============================================ */

.stagger-item {
    opacity: 0;
    transform: translateY(20px);
}

.stagger-item:nth-child(1) { animation: fadeInUp 0.5s ease-out 0.1s forwards; }
.stagger-item:nth-child(2) { animation: fadeInUp 0.5s ease-out 0.2s forwards; }
.stagger-item:nth-child(3) { animation: fadeInUp 0.5s ease-out 0.3s forwards; }
.stagger-item:nth-child(4) { animation: fadeInUp 0.5s ease-out 0.4s forwards; }
.stagger-item:nth-child(5) { animation: fadeInUp 0.5s ease-out 0.5s forwards; }
.stagger-item:nth-child(6) { animation: fadeInUp 0.5s ease-out 0.6s forwards; }
.stagger-item:nth-child(7) { animation: fadeInUp 0.5s ease-out 0.7s forwards; }
.stagger-item:nth-child(8) { animation: fadeInUp 0.5s ease-out 0.8s forwards; }
.stagger-item:nth-child(9) { animation: fadeInUp 0.5s ease-out 0.9s forwards; }

/* ============================================
   ACCESSIBILITY
   ============================================ */

/* Respeta las preferencias de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .animate-float,
    .animate-pulse,
    .animate-bounce,
    .bg-gradient-animate {
        animation: none !important;
    }
}