.masonry-container {
    display: block;
    column-count: 3;
    column-gap: 20px;
}

.masonry-item {
    display: block;
    break-inside: avoid;
    margin-bottom: 20px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    background-color: white;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.masonry-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}

.item-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

.item-content {
    padding: 20px;
}

.item-title {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #4a00e0;
}

.item-text {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
}

.masonry-item .labels span {
    display: inline-block;
    justify-content: center;
    margin: 0 var(--spacing-mini);
    padding: var(--spacing-mini);
    text-transform: uppercase;
}

.masonry-item .labels .cat, .masonry-item .labels .area {
    border-radius: var(--border-radius-sm);
    background-color: var(--primary-blue);
    font-weight: bold;
    color: var(--white);
}

.masonry-item .labels .area-electronica {
    background: var(--area-electronica-darker);
}

.masonry-item .labels .area-electromagnetismo {
    background: var(--area-electromagnetismo-darker);
}

/* Responsive adjustments */
@media (max-width: 1100px) {
    .masonry-container {
        column-count: 3;
    }
}

@media (max-width: 768px) {
    .masonry-container {
        column-count: 2;
    }
    
    h1 {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .masonry-container {
        column-count: 1;
    }
}