/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--grid-gap);
    padding: calc(var(--header-height) + var(--spacing-unit)) var(--container-padding) var(--spacing-unit);
    margin: 0 auto;
    max-width: var(--container-max-width);
}

.portfolio-item {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--color-background);
    transition: box-shadow var(--transition-normal);
}

.portfolio-item:hover {
    box-shadow: var(--box-shadow-large);
}

.portfolio-item a {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
}

.portfolio-image {
    width: 100%;
    height: 200px !important;
    object-fit: cover;
    display: block;
}

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    background: var(--color-light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-item-info {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    padding: 20px;
    opacity: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: opacity var(--transition-normal);
}

.portfolio-item:hover .portfolio-item-info {
    opacity: 1;
}

.portfolio-item-info h2 {
    font-family: var(--font-title);
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 10px 0;
    color: #fff;
    letter-spacing: 1px;
    line-height: 1;
}

.portfolio-category {
    font-size: 10px;
    color: #ffffff;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
    display: block;
}

.portfolio-excerpt {
    font-size: 12px;
    margin: 0;
    color: #fff;
    line-height: 1.4;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 15px;
    }
    
    .portfolio-item-info h2 {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 10px;
        padding-top: 110px;
    }
}