.sd-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

@media (max-width: 900px) {
    .sd-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .sd-grid {
        grid-template-columns: 1fr;
    }
}

.sd-item {
    border: 1px solid #ddd;
    padding: 15px;
    border-radius: 6px;
    background: #fff;
    text-align: center;
    transition: transform 0.2s ease;
}

.sd-item:hover {
    transform: translateY(-4px);
}

.sd-item img {
    max-width: 100%;
    margin-bottom: 10px;
}

.sd-item h3 {
    font-size: 16px;
    margin: 5px 0;
}

.sd-item button {
    margin-top: 10px;
    padding: 8px 14px;
    background: #0073aa;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.sd-item button:hover {
    background: #005d8f;
}