/* Grid layout */
.grid-container {
    display: grid;
    gap: 20px;
    margin-bottom: 30px;
}

.grid-columns-1 {
    grid-template-columns: 1fr;
}

.grid-columns-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-columns-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-columns-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Grid item */
.grid-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.grid-item:hover {
    transform: translateY(-5px);
}

.grid-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* Grid image */
.grid-image {
    position: relative;
    height: 255px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
    padding: 20px;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(transparent 50%, rgba(0,0,0,0.8));
}

.no-image {
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Grid title */
.grid-title {
    position: relative;
    color: white;
    margin: 0;
    font-size: 18px;
    z-index: 2;
}

.no-image .grid-title {
    color: #333;
}

/* Grid excerpt */
.grid-excerpt {
    padding: 15px;
    background: #f9f9f9;
    font-size: 14px;
    line-height: 1.5;
    color: #666;
}

/* Pagination */
.grid-pagination {
    text-align: center;
    margin-top: 30px;
}

.grid-pagination .page-numbers {
    display: inline-block;
    padding: 8px 16px;
    margin: 0 5px;
    border: 1px solid #ddd;
    text-decoration: none;
    color: #0073aa;
    border-radius: 4px;
}

.grid-pagination .page-numbers.current {
    background: #0073aa;
    color: white;
    border-color: #0073aa;
}

.grid-pagination .page-numbers:hover {
    background: #f0f0f0;
}

/* Responsivo */
@media (max-width: 1024px) {
    .grid-columns-4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-columns-3,
    .grid-columns-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .grid-columns-2,
    .grid-columns-3,
    .grid-columns-4 {
        grid-template-columns: 1fr;
    }
    
    .grid-image {
        height: 150px;
    }
}