/* ============================================
   UNITY HCM - Animations CSS
   Animaciones, Transiciones y Efectos de Scroll
   ============================================ */

/* ===== ANIMACIONES DE ENTRADA ===== */
@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);
    }
}

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

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

/* ===== CLASES DE ANIMACIÓN ===== */
.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

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

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

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

.animate-slide-in {
    animation: slideIn 0.3s ease-out;
}

.animate-scale-in {
    animation: scaleIn 0.4s ease-out;
}

/* ===== ESTADOS INICIALES PARA SCROLL ANIMATIONS ===== */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    /* Fallback: mostrar contenido inmediatamente si JS no carga */
    animation: fadeInFallback 0.3s ease-out 0.1s forwards;
}

.scroll-animate.animated {
    opacity: 1;
    transform: translateY(0);
    animation: none;
}

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

.scroll-animate-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    /* Fallback: mostrar contenido inmediatamente si JS no carga */
    animation: fadeInLeftFallback 0.3s ease-out 0.2s forwards;
}

.scroll-animate-left.animated {
    opacity: 1;
    transform: translateX(0);
    animation: none;
}

.scroll-animate-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    /* Fallback: mostrar contenido inmediatamente si JS no carga */
    animation: fadeInRightFallback 0.3s ease-out 0.3s forwards;
}

.scroll-animate-right.animated {
    opacity: 1;
    transform: translateX(0);
    animation: none;
}

.scroll-animate-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    /* Fallback: mostrar contenido inmediatamente si JS no carga */
    animation: fadeInScaleFallback 0.3s ease-out 0.4s forwards;
}

.scroll-animate-scale.animated {
    opacity: 1;
    transform: scale(1);
    animation: none;
}

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

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

@keyframes fadeInScaleFallback {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===== DELAYS PARA ANIMACIONES ESCALONADAS ===== */
.animate-delay-100 {
    animation-delay: 0.1s;
}

.animate-delay-200 {
    animation-delay: 0.2s;
}

.animate-delay-300 {
    animation-delay: 0.3s;
}

.animate-delay-400 {
    animation-delay: 0.4s;
}

.animate-delay-500 {
    animation-delay: 0.5s;
}

.animate-delay-600 {
    animation-delay: 0.6s;
}

/* ===== TRANSICIONES ===== */
.transition-opacity {
    transition-property: opacity;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 0.3s;
}

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

/* ===== EFECTOS PARALLAX ===== */
.parallax {
    will-change: transform;
}

.parallax-slow {
    transform: translateZ(0);
    transition: transform 0.3s ease-out;
}

/* ===== HEADER STICKY ===== */
.site-header {
    transition: all 0.3s ease;
}

.site-header.scrolled {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
}

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

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.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(var(--navy-primary), 0.3);
}

/* ===== LOADING STATES ===== */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

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

/* ===== FADE IN ON LOAD ===== */
.fade-in-on-load {
    opacity: 0;
    animation: fadeIn 0.8s ease-out forwards;
}

/* ===== STAGGER ANIMATION ===== */
.stagger-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    /* Fallback: mostrar contenido inmediatamente si JS no carga */
    animation: staggerFallback 0.3s ease-out 0.5s forwards;
}

.stagger-item.animated {
    opacity: 1;
    transform: translateY(0);
    animation: none;
}

.stagger-item:nth-child(1) { transition-delay: 0.1s; animation-delay: 0.6s; }
.stagger-item:nth-child(2) { transition-delay: 0.2s; animation-delay: 0.7s; }
.stagger-item:nth-child(3) { transition-delay: 0.3s; animation-delay: 0.8s; }
.stagger-item:nth-child(4) { transition-delay: 0.4s; animation-delay: 0.9s; }
.stagger-item:nth-child(5) { transition-delay: 0.5s; animation-delay: 1.0s; }
.stagger-item:nth-child(6) { transition-delay: 0.6s; animation-delay: 1.1s; }

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

/* ===== SMOOTH SCROLL ===== */
html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== REVEAL ANIMATION ===== */
.reveal {
    position: relative;
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ===== FADE IN SECTIONS ===== */
.section-fade-in {
    opacity: 0;
    transition: opacity 0.8s ease-out;
}

.section-fade-in.visible {
    opacity: 1;
}

/* ===== SLIDE IN FROM SIDES ===== */
.slide-in-left {
    transform: translateX(-100%);
    opacity: 0;
    transition: transform 0.6s ease-out, opacity 0.6s ease-out;
}

.slide-in-left.visible {
    transform: translateX(0);
    opacity: 1;
}

.slide-in-right {
    transform: translateX(100%);
    opacity: 0;
    transition: transform 0.6s ease-out, opacity 0.6s ease-out;
}

.slide-in-right.visible {
    transform: translateX(0);
    opacity: 1;
}

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

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

/* ===== BOUNCE ANIMATION ===== */
@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

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

.shimmer {
    animation: shimmer 2s infinite;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 1000px 100%;
}

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

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

/* ===== FLOATING ANIMATION ===== */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

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

/* ===== TEXT REVEAL ===== */
.text-reveal {
    overflow: hidden;
}

.text-reveal span {
    display: inline-block;
    opacity: 0;
    transform: translateY(100%);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.text-reveal.revealed span {
    opacity: 1;
    transform: translateY(0);
}

/* ===== CARD FLIP ===== */
.card-flip {
    perspective: 1000px;
}

.card-flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.card-flip:hover .card-flip-inner {
    transform: rotateY(180deg);
}

.card-flip-front,
.card-flip-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}

.card-flip-back {
    transform: rotateY(180deg);
}

/* ===== PROGRESS BAR ANIMATION ===== */
@keyframes progress {
    from {
        width: 0%;
    }
}

.progress-bar {
    animation: progress 1s ease-out forwards;
}

/* ===== COUNTER ANIMATION ===== */
@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ===== RESPONSIVE ANIMATIONS ===== */
@media (prefers-reduced-motion: reduce) {
    .scroll-animate,
    .scroll-animate-left,
    .scroll-animate-right,
    .scroll-animate-scale,
    .reveal,
    .section-fade-in,
    .slide-in-left,
    .slide-in-right {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .animate-fade-in,
    .animate-fade-in-up,
    .animate-fade-in-down,
    .animate-fade-in-left,
    .animate-fade-in-right,
    .animate-slide-in,
    .animate-scale-in {
        animation: none;
    }
}