/* Animations CSS - Efectos de movimiento para imágenes */

/* ===========================
   KEN BURNS EFFECT (Carousel)
   =========================== */
/* Efecto Ken Burns sutil - solo mueve el background-position */
@keyframes kenBurns {
    0% {
        background-position: center center;
    }
    25% {
        background-position: 48% 45%;
    }
    50% {
        background-position: 52% 48%;
    }
    75% {
        background-position: 49% 52%;
    }
    100% {
        background-position: center center;
    }
}

/* Aplicar al slide activo - NO toca opacity ni background-size */
.carousel-slide.active {
    animation: kenBurns 20s ease-in-out infinite;
}

/* Cuando no está activo, sin animación */
.carousel-slide:not(.active) {
    animation: none;
}

/* ===========================
   PARALLAX EFFECT
   =========================== */
.parallax-container {
    overflow: hidden;
    position: relative;
}

.parallax-image {
    position: absolute;
    top: -20%;
    left: 0;
    width: 100%;
    height: 140%;
    object-fit: cover;
    will-change: transform;
    transition: transform 0.1s linear;
}

/* ===========================
   IMAGE ZOOM ON HOVER
   =========================== */
.img-zoom {
    overflow: hidden;
    border-radius: var(--border-radius-lg);
}

.img-zoom img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.img-zoom:hover img {
    transform: scale(1.08);
}

/* Zoom con efecto de elevación */
.img-zoom-lift {
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.img-zoom-lift img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.img-zoom-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

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

/* ===========================
   IMAGE REVEAL ON SCROLL
   =========================== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* ===========================
   HOVER OVERLAY EFFECTS
   =========================== */
.hover-overlay {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
}

.hover-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 153, 255, 0.8) 0%,
        rgba(26, 58, 82, 0.8) 100%
    );
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.hover-overlay img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

/* ===========================
   TILT EFFECT (Cards)
   =========================== */
.tilt-card {
    transition: transform 0.3s ease;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.tilt-card:hover {
    transform: rotateX(2deg) rotateY(-2deg) translateY(-5px);
}

/* ===========================
   FLOATING ANIMATION
   =========================== */
.float {
    animation: float 3s ease-in-out infinite;
}

.float-delayed {
    animation: float 3s ease-in-out infinite;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

/* ===========================
   GLOW EFFECT
   =========================== */
.glow {
    transition: box-shadow 0.4s ease;
}

.glow:hover {
    box-shadow: 0 0 30px rgba(0, 153, 255, 0.4);
}

/* ===========================
   STAGGER ANIMATION (Grid items)
   =========================== */
.stagger-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.stagger-item.stagger-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Delay para efecto escalonado */
.stagger-item:nth-child(1) { transition-delay: 0.1s; }
.stagger-item:nth-child(2) { transition-delay: 0.2s; }
.stagger-item:nth-child(3) { transition-delay: 0.3s; }
.stagger-item:nth-child(4) { transition-delay: 0.4s; }
.stagger-item:nth-child(5) { transition-delay: 0.5s; }
.stagger-item:nth-child(6) { transition-delay: 0.6s; }

/* ===========================
   SHIMMER LOADING EFFECT
   =========================== */
.shimmer {
    background: linear-gradient(
        90deg,
        var(--color-light-gray) 25%,
        #e0e0e0 50%,
        var(--color-light-gray) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* ===========================
   IMAGE SPOTLIGHT (Hover light)
   =========================== */
.spotlight {
    position: relative;
    overflow: hidden;
}

.spotlight::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
        rgba(255, 255, 255, 0.3) 0%,
        transparent 50%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.spotlight:hover::after {
    opacity: 1;
}

/* ===========================
   ROTATE IN EFFECT
   =========================== */
.rotate-in {
    opacity: 0;
    transform: rotate(-10deg) scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.rotate-in.revealed {
    opacity: 1;
    transform: rotate(0) scale(1);
}

/* ===========================
   BLUR REVEAL
   =========================== */
.blur-reveal {
    filter: blur(10px);
    opacity: 0;
    transition: filter 0.8s ease, opacity 0.8s ease;
}

.blur-reveal.revealed {
    filter: blur(0);
    opacity: 1;
}

/* ===========================
   RIPPLE EFFECT ON CLICK
   =========================== */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    background-image: radial-gradient(circle, rgba(255,255,255,0.3) 10%, transparent 10.01%);
    background-repeat: no-repeat;
    background-position: 50%;
    transform: scale(10, 10);
    opacity: 0;
    transition: transform 0.5s, opacity 0.5s;
}

.ripple:active::after {
    transform: scale(0, 0);
    opacity: 0.3;
    transition: 0s;
}

/* ===========================
   COUNTER ANIMATION
   =========================== */
.count-up {
    font-variant-numeric: tabular-nums;
}

/* ===========================
   SMOOTH SCROLL INDICATOR
   =========================== */
.scroll-indicator {
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

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

    .carousel-slide {
        animation: none;
    }

    .float,
    .float-delayed {
        animation: none;
    }

    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale,
    .rotate-in,
    .blur-reveal {
        opacity: 1;
        transform: none;
        filter: none;
    }
}