/* ==========================================================================
   VISIONNEUSE — agrandissement des photos au clic
   ========================================================================== */

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: clamp(1rem, 4vw, 3rem);
    background: rgba(12, 10, 9, 0.94);
    backdrop-filter: blur(6px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s var(--ease), visibility 0.3s;
}

.lightbox.is-open {
    opacity: 1;
    visibility: visible;
}

.lightbox-figure {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.9rem;
    max-width: min(1200px, 100%);
    max-height: 100%;
}

.lightbox-figure img {
    max-width: 100%;
    max-height: 74svh;
    width: auto;
    height: auto;
    border-radius: var(--radius);
    object-fit: contain;
    transform: scale(0.97);
    transition: transform 0.35s var(--ease);
}

.lightbox.is-open .lightbox-figure img {
    transform: none;
}

.lightbox-close,
.lightbox-nav {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.24);
    background: rgba(255, 255, 255, 0.06);
    color: var(--paper);
    transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease),
        transform 0.25s var(--ease);
}

.lightbox-close:hover,
.lightbox-nav:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: scale(1.06);
}

.lightbox-close {
    top: clamp(0.9rem, 2.5vw, 1.8rem);
    right: clamp(0.9rem, 2.5vw, 1.8rem);
}

.lightbox-nav--prev {
    left: clamp(0.6rem, 2.5vw, 1.8rem);
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-nav--next {
    right: clamp(0.6rem, 2.5vw, 1.8rem);
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-nav--prev:hover,
.lightbox-nav--next:hover {
    transform: translateY(-50%) scale(1.06);
}

.lightbox-count {
    position: absolute;
    bottom: clamp(0.9rem, 2.5vw, 1.8rem);
    left: 50%;
    transform: translateX(-50%);
    font-size: var(--step-small);
    font-weight: 700;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.55);
}

@media (prefers-reduced-motion: reduce) {

    .lightbox,
    .lightbox-figure img {
        transition: none;
    }

    .lightbox-figure img {
        transform: none;
    }
}