/* Pictures I've Taken — Instagram-style grid + lightbox */

.photos-main {
    max-width: 935px;
    margin: 0 auto;
    padding: 0 20px 40px;
}

.photos-intro {
    color: #666666;
    margin: 0 0 24px 0;
}

/* Square grid */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

.photo-tile {
    position: relative;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: #f0f0f0;
    cursor: pointer;
}

.photo-tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease, opacity 0.2s ease;
}

.photo-tile:hover img {
    transform: scale(1.04);
    opacity: 0.92;
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.lightbox.open { display: flex; }

.lightbox-img {
    max-width: 90vw;
    max-height: 82vh;
    object-fit: contain;
    display: block;
}

.lightbox-caption {
    position: absolute;
    bottom: 24px;
    left: 0;
    right: 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.85);
    font-size: 10pt;
    padding: 0 40px;
}

.lb-btn {
    position: absolute;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.75);
    cursor: pointer;
    padding: 16px;
    line-height: 1;
    user-select: none;
}

.lb-btn:hover { color: #ffffff; }

.lb-close { top: 14px; right: 18px; font-size: 30pt; }
.lb-prev  { left: 8px;  top: 50%; transform: translateY(-50%); font-size: 40pt; }
.lb-next  { right: 8px; top: 50%; transform: translateY(-50%); font-size: 40pt; }

@media (max-width: 768px) {
    .photo-grid { gap: 3px; }
    .lb-prev, .lb-next { font-size: 30pt; padding: 10px; }
}