.wld-publications-grid {
    display: grid;
    gap: 24px;
}

.wld-publications-grid.cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
.wld-publications-grid.cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}
.wld-publications-grid.cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.wld-publication-item a {
    text-decoration: none;
    color: inherit;
}

.wld-publication-cover img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: 6px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.25);
    transform: perspective(900px) rotateY(-8deg);
    transition: transform .25s ease, box-shadow .25s ease;
}

.wld-publication-item:hover .wld-publication-cover img {
    transform: perspective(900px) rotateY(0deg) scale(1.02);
    box-shadow: 0 14px 30px rgba(0,0,0,0.35);
}

.wld-publication-title {
    margin-top: 8px;
    font-size: 1rem;
    font-weight: 600;
}

/* Single */
.single-publication-wrapper {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

.single-publication-header {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.single-publication-header img {
    width: 100%;
    border-radius: 6px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.25);
    transform: perspective(900px) rotateY(-8deg);
}

.single-publication-meta h1 {
    margin-top: 0;
    margin-bottom: 15px;
}

.single-publication-meta p {
    margin: 4px 0;
    font-size: 0.95rem;
}

.single-publication-actions {
    margin: 25px 0 35px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.single-publication-actions .btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    background: #111827;
    color: #fff;
    text-decoration: none;
}

.single-publication-actions .btn.secondary {
    background: #e5e7eb;
    color: #111827;
}

@media (max-width: 768px) {
    .single-publication-header {
        grid-template-columns: 1fr;
    }
}