.sp-portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.sp-item {
    font-family: sans-serif;
}

.sp-image {
    position: relative;
    overflow: hidden;
}

.sp-image img {
    width: 100%;
    display: block;
    transition: all 0.4s ease;
}

.sp-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: 0.4s ease;
}

.sp-overlay h3 {
    color: #fff;
    font-size: 20px;
}

.sp-image:hover img {
    filter: blur(2px);
    transform: scale(1.05);
}

.sp-image:hover .sp-overlay {
    opacity: 1;
}

.sp-desc {
    margin-top: 10px;
    color: #444;
    font-size: 14px;
    line-height: 1.7;
}

/* ریسپانسیو */
@media (max-width: 768px) {
    .sp-portfolio-grid {
        grid-template-columns: 1fr;
    }
}