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

/* Slide Down */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Slide In Up */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Slide In Right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

    to {
        opacity: 1;
    }
}

/* Fade In Up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Bounce */
@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* Pulse */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Scale In */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

    100% {
        background-position: 1000px 0;
    }
}

/* Count Up */
@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== CLASES DE ANIMACIÓN ==================== */

.animate-fade-in {
    animation: fadeIn 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-slide-in-up {
    animation: slideInUp 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-slide-in-right {
    animation: slideInRight 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-fade-in-up {
    animation: fadeInUp 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-scale-in {
    animation: scaleIn 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-bounce {
    animation: bounce 2s infinite;
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ==================== EFECTOS HOVER ==================== */

.hover-lift {
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.hover-scale {
    transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

.hover-color {
    transition: color 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-color:hover {
    color: var(--color-coral);
}

/* ==================== TRANSICIONES SUAVES ==================== */

.transition-all {
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-fast {
    transition: all 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-slow {
    transition: all 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==================== EFECTOS DE CARGA ==================== */

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

.loading-spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-top: 4px solid var(--color-coral);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==================== EFECTOS DE SCROLL ==================== */

.scroll-fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

.scroll-scale-in {
    opacity: 0;
    transform: scale(0.95);
    transition: all 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ==================== EFECTOS DE ENTRADA ESCALONADA ==================== */

.stagger-children>* {
    animation: fadeInUp 600ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.stagger-children>*:nth-child(1) {
    animation-delay: 0ms;
}

.stagger-children>*:nth-child(2) {
    animation-delay: 100ms;
}

.stagger-children>*:nth-child(3) {
    animation-delay: 200ms;
}

.stagger-children>*:nth-child(4) {
    animation-delay: 300ms;
}

.stagger-children>*:nth-child(5) {
    animation-delay: 400ms;
}

.stagger-children>*:nth-child(6) {
    animation-delay: 500ms;
}

/* ==================== EFECTOS DE TEXTO ==================== */

.text-gradient {
    background: linear-gradient(135deg, var(--color-navy), var(--color-coral));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-shadow {
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ==================== EFECTOS DE BOTONES ==================== */

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

.btn-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.btn-ripple:active::after {
    animation: ripple 600ms ease-out;
}

@keyframes ripple {
    to {
        width: 300px;
        height: 300px;
        opacity: 0;
    }
}

/* ==================== EFECTOS DE CARDS ==================== */

.card-hover {
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.card-hover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.5), transparent);
    opacity: 0;
    transition: opacity 300ms cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    border-radius: inherit;
}

.card-hover:hover::before {
    opacity: 1;
}

/* ==================== EFECTOS DE GRADIENTE ANIMADO ==================== */

.gradient-animated {
    background: linear-gradient(135deg, var(--color-navy), var(--color-coral));
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* ==================== EFECTOS DE LÍNEA ANIMADA ==================== */

.line-animation {
    position: relative;
    overflow: hidden;
}

.line-animation::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--color-coral);
    transition: width 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.line-animation:hover::after {
    width: 100%;
}

/* ==================== EFECTOS DE MODAL ==================== */

.modal-enter {
    animation: modalEnter 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalEnter {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-exit {
    animation: modalExit 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalExit {
    from {
        opacity: 1;
        transform: scale(1);
    }

    to {
        opacity: 0;
        transform: scale(0.95);
    }
}

/* ==================== EFECTOS DE OVERLAY ==================== */

.overlay-fade {
    background-color: rgba(0, 0, 0, 0);
    transition: background-color 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.overlay-fade.active {
    background-color: rgba(0, 0, 0, 0.5);
}

/* ==================== EFECTOS DE NOTIFICACIÓN ==================== */

.notification-enter {
    animation: notificationEnter 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes notificationEnter {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.notification-exit {
    animation: notificationExit 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes notificationExit {
    from {
        opacity: 1;
        transform: translateX(0);
    }

    to {
        opacity: 0;
        transform: translateX(20px);
    }
}

/* ==================== EFECTOS DE PARALLAX ==================== */

.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ==================== ANIMACIONES DE ROMPECABEZAS ==================== */

/* Animación de entrada de pieza de rompecabezas */
@keyframes puzzlePieceEntry {
    0% {
        opacity: 0;
        transform: translateY(30px) translateX(-15px) rotate(-5deg) scale(0.9);
        filter: blur(4px) drop-shadow(0 0 0 rgba(0, 0, 0, 0));
    }

    50% {
        opacity: 0.7;
        transform: translateY(-5px) translateX(3px) rotate(2deg) scale(1.02);
    }

    100% {
        opacity: 1;
        transform: translateY(0) translateX(0) rotate(0deg) scale(1);
        filter: blur(0) drop-shadow(0 4px 12px rgba(0, 0, 0, 0.08));
    }
}

/* Pulso de brillo para iluminación */
@keyframes glowPulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}