.anart-portfolio-grid {
    display: grid;
    grid-template-columns: repeat(var(--anart-columns), minmax(0, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.anart-portfolio-card {
    display: block;
    width: 100%;
    appearance: none;
    border: 0;
    padding: 0;
    background: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    text-align: left;
    color: inherit;
    text-decoration: none;
    box-shadow: none;
}

.anart-portfolio-card img {
    display: block;
    width: 100%;
    height: auto;
    transition: transform .25s ease;
}

.anart-portfolio-card:hover img {
    transform: scale(1.02);
}

.anart-portfolio-title {
    display: block;
    padding-top: 7px;
}

.anart-portfolio-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999999;
    background: rgba(0, 0, 0, .85);
    overflow-y: auto;
    padding: 40px 20px;
}

.anart-portfolio-modal.is-open {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.anart-portfolio-dialog {
    position: relative;
    background: #fff;
    color: #222;
    width: min(1100px, 100%);
    padding: 30px;
}

.anart-portfolio-close {
    position: absolute;
    top: 8px;
    right: 14px;
    z-index: 5;
    padding: 0 5px;
    border: 0;
    background: transparent;
    color: #222;
    font-size: 36px;
    line-height: 1;
    cursor: pointer;
}

.anart-gallery {
    position: relative;
    margin-bottom: 25px;
}

.anart-gallery-slide {
    display: block;
    margin: 0 auto;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: zoom-in;
}

.anart-gallery-slide[hidden],
.anart-lightbox button[hidden] {
    display: none;
}

.anart-gallery-slide img {
    display: block;
    max-width: 100%;
    max-height: 75vh;
    width: auto;
    height: auto;
    margin: 0 auto;
}

.anart-gallery-prev,
.anart-gallery-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    border: 0;
    background: rgba(0, 0, 0, .55);
    color: #fff;
    font-size: 30px;
    padding: 10px 14px;
    cursor: pointer;
}

.anart-gallery-prev { left: 10px; }
.anart-gallery-next { right: 10px; }

.anart-portfolio-info {
    max-width: 800px;
    margin: 0 auto;
}

body.anart-modal-open { overflow: hidden; }

.anart-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000010;
    background: rgba(0, 0, 0, .96);
    align-items: center;
    justify-content: center;
}

.anart-lightbox.is-open { display: flex; }

.anart-lightbox img {
    display: block;
    max-width: calc(100vw - 120px);
    max-height: calc(100vh - 80px);
    width: auto;
    height: auto;
    object-fit: contain;
}

.anart-lightbox-close,
.anart-lightbox-prev,
.anart-lightbox-next {
    position: fixed;
    z-index: 1000011;
    border: 0;
    background: rgba(0, 0, 0, .45);
    color: #fff;
    cursor: pointer;
}

.anart-lightbox-close {
    top: 18px;
    right: 24px;
    padding: 4px 12px;
    font-size: 42px;
    line-height: 1;
}

.anart-lightbox-prev,
.anart-lightbox-next {
    top: 50%;
    transform: translateY(-50%);
    padding: 14px 18px;
    font-size: 42px;
}

.anart-lightbox-prev { left: 16px; }
.anart-lightbox-next { right: 16px; }

.anart-portfolio-grid :focus-visible,
.anart-portfolio-modal :focus-visible,
.anart-lightbox :focus-visible {
    outline: 3px solid #c59a42;
    outline-offset: 3px;
}

@media (max-width: 800px) {
    .anart-portfolio-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 700px) {
    .anart-lightbox img {
        max-width: calc(100vw - 30px);
        max-height: calc(100vh - 90px);
    }
    .anart-lightbox-prev,
    .anart-lightbox-next {
        padding: 10px 12px;
        font-size: 30px;
    }
    .anart-lightbox-prev { left: 4px; }
    .anart-lightbox-next { right: 4px; }
}

@media (max-width: 500px) {
    .anart-portfolio-grid { grid-template-columns: 1fr; }
    .anart-portfolio-dialog { padding: 25px 15px; }
}