/* Animación del spinner*/
div.spinner,
.spinner.spinner-glow {
    animation: spinner-rotate 0.8s linear infinite !important;
    transform-origin: center center !important;
}

@keyframes spinner-rotate {
    from { 
        transform: rotate(0deg); 
    }
    to { 
        transform: rotate(360deg); 
    }
}

/* Efecto de texto con gradiente */
.bg-clip-text {
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}


.scroll-indicator {
    animation: floatUpDown 3s ease-in-out infinite;
}

@keyframes floatUpDown {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-12px);
    }
}

.animate-bounce-slow {
    animation: bounceSlow 2s ease-in-out infinite;
}

@keyframes bounceSlow {
    0%, 100% {
        transform: translateY(0);
        animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
    }
    50% {
        transform: translateY(-8px);
        animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
    }
}

.animate-ping-slow {
    animation: pingSlow 3s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes pingSlow {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.3);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 0;
    }
}

.scroll-arrow-container:hover .animate-ping-slow {
    animation: pingSlow 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.scroll-indicator:hover {
    animation: floatUpDown 1.5s ease-in-out infinite;
}

/* Animación de latido para badges */
@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    10%, 30% { transform: scale(0.9); }
    20%, 40% { transform: scale(1.1); }
}

.badge-animated {
    animation: heartbeat 2s ease-in-out infinite;
}

/* Efecto de brillo para estadísticas */
.glow {
    text-shadow: 
        0 0 10px rgba(220, 20, 60, 0.5),
        0 0 20px rgba(220, 20, 60, 0.3),
        0 0 30px rgba(220, 20, 60, 0.2);
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        text-shadow: 
            0 0 10px rgba(220, 20, 60, 0.5),
            0 0 20px rgba(220, 20, 60, 0.3),
            0 0 30px rgba(220, 20, 60, 0.2);
    }
    50% {
        text-shadow: 
            0 0 15px rgba(220, 20, 60, 0.7),
            0 0 25px rgba(220, 20, 60, 0.5),
            0 0 35px rgba(220, 20, 60, 0.3);
    }
}

/* Backdrop blur */
nav {
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}

/* Efecto de desenfoque en hover para imagenes */
img {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

img:hover {
    filter: brightness(1.1) contrast(1.05);
    transform: scale(1.02);
}

/* Efecto de ondas para clicks */
@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%);
    pointer-events: none;
}

.ripple:active::after {
    width: 100px;
    height: 100px;
    animation: ripple 0.6s ease-out;
}

* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Optimización de renders */
.card-modern,
.btn-modern,
#earthquakeMap,
.hover-lift {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Transiciones suaves para scroll */
html {
    scroll-behavior: smooth;
}

/* Efecto parallax sutil */
@media (min-width: 768px) {
    .particle-bg {
        background-attachment: fixed;
    }
}

/* Hover states para links */
a {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Focus states accesibles */
*:focus-visible {
    outline: 3px solid crimson;
    outline-offset: 3px;
    border-radius: 6px;
}

/* Skeleton loading */
@keyframes skeleton-loading {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-surface) 0px,
        rgba(220, 20, 60, 0.1) 40px,
        var(--bg-surface) 80px
    );
    background-size: 200px 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Animación de entrada escalonada para listas */
@keyframes staggerFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stagger-item {
    animation: staggerFadeIn 0.5s ease-out backwards;
}

.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; }

/* Efecto de brillo en botones */
.btn-shine {
    position: relative;
    overflow: hidden;
}

.btn-shine::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 70%
    );
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0%, 100% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    50% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

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

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

/* Efecto de pulso suave */
@keyframes softPulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

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

/* Gradiente animado para bordes */
@keyframes borderGlow {
    0%, 100% {
        border-color: rgba(220, 20, 60, 0.3);
        box-shadow: 0 0 10px rgba(220, 20, 60, 0.2);
    }
    50% {
        border-color: rgba(220, 20, 60, 0.8);
        box-shadow: 0 0 20px rgba(220, 20, 60, 0.5);
    }
}

.border-glow {
    animation: borderGlow 2s ease-in-out infinite;
}

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

@keyframes dots {
    0%, 20% {
        content: '.';
    }
    40% {
        content: '..';
    }
    60%, 100% {
        content: '...';
    }
}

@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;
    }
}

@media (prefers-color-scheme: dark) {
    body:not(.light) {
        color-scheme: dark;
    }
}

@media print {
    nav,
    footer,
    .btn-modern,
    #scrollTopBtn,
    .particle-bg::before,
    .particle-bg::after {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .card-modern {
        border: 1px solid #ddd !important;
        page-break-inside: avoid;
        background: white !important;
    }
    
    * {
        color: black !important;
        background: white !important;
    }
}

/* Para pantallas de alta densidad */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .card-modern,
    .btn-modern {
        transform: translateZ(0);
        -webkit-font-smoothing: subpixel-antialiased;
    }
}

/* Efecto de cristal */
.glass-effect {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.light .glass-effect {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

/* Animación de carga */
@keyframes circleLoad {
    0% {
        stroke-dasharray: 1, 200;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 89, 200;
        stroke-dashoffset: -35;
    }
    100% {
        stroke-dasharray: 89, 200;
        stroke-dashoffset: -124;
    }
}

.circle-loader {
    animation: circleLoad 1.5s ease-in-out infinite;
}

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

@keyframes blink {
    50% {
        border-color: transparent;
    }
}

.typing-effect {
    overflow: hidden;
    border-right: 2px solid crimson;
    white-space: nowrap;
    animation: 
        typing 3.5s steps(40, end),
        blink 0.75s step-end infinite;
}

/* Efecto 3D para cards */
.card-3d {
    transform-style: preserve-3d;
    perspective: 1000px;
    transition: transform 0.6s;
}

.card-3d:hover {
    transform: rotateY(5deg) rotateX(5deg);
}

/* Transición de página suave */
.page-transition {
    animation: pageSlideIn 0.5s ease-out;
}

@keyframes pageSlideIn {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#scrollTopBtn {
    width: 48px;
    height: 48px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(220, 20, 60, 0.3);
}

#scrollTopBtn:hover {
    box-shadow: 0 8px 20px rgba(220, 20, 60, 0.5);
    transform: translateY(-4px) scale(1.1);
}

#scrollTopBtn:active {
    transform: translateY(-2px) scale(1.05);
}

/* Asegurar que el botón no interfiera con contenido en móviles */
@media (max-width: 768px) {
    #scrollTopBtn {
        bottom: 1rem;
        right: 1rem;
        width: 44px;
        height: 44px;
        padding: 0.625rem;
    }
    
    #scrollTopBtn i {
        font-size: 1rem;
    }
}

/* ============================================
   TOASTS
   ============================================ */
#toastContainer {
    animation: fadeIn 0.3s ease-out;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(120%) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

.toast-progress {
    animation: toastProgress 4s linear forwards;
}

@keyframes toastProgress {
    from {
        width: 100%;
        opacity: 1;
    }
    to {
        width: 0%;
        opacity: 0.5;
    }
}

@media (max-width: 768px) {
    #toastContainer {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        max-width: calc(100vw - 2rem);
    }
}