.image-grid {
    max-width: 1000px;
    margin: 20px auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.image-grid img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
    border-radius: 6px;
    cursor: zoom-in;
}

/* Показывать pointer при наведении на миниатюры */
.image-grid img:hover { cursor: pointer; }

@media (max-width: 900px) {
    .image-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .image-grid { grid-template-columns: 1fr; }
}

/* Lightbox / full-screen slider */
.lightbox {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.85);
    z-index: 9999;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition: opacity 200ms ease;
}
.lightbox.open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}
.lightbox .stage {
    position: relative;
    max-width: 95%;
    max-height: 95%;
    width: auto;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}
.lightbox img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 6px;
    cursor: zoom-out;
    box-shadow: 0 8px 30px rgba(0,0,0,0.6);
    user-select: none;
    -webkit-user-drag: none;
}
.lb-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.45);
    color: #fff;
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    cursor: pointer;
    backdrop-filter: blur(4px);
}
.lb-prev { left: 12px; }
.lb-next { right: 12px; }
.lb-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: rgba(0,0,0,0.45);
    font-size: 20px;
}
.lb-counter {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    font-size: 14px;
    background: rgba(0,0,0,0.4);
    padding: 6px 10px;
    border-radius: 999px;
}