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

@media (max-width: 991px) { .nu-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px) { .nu-grid { grid-template-columns: 1fr; } }

.nu-card {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: transform .3s;
}

.nu-card:hover { transform: translateY(-6px); }

.nu-img { height: 200px; overflow: hidden; cursor: pointer; }
.nu-img img { width: 100%; height: 100%; object-fit: cover; }

.nu-content { padding: 18px; }
.nu-content h3 { margin: 0 0 10px; font-size: 18px; }
.nu-content p { font-size: 14px; color: #555; }
.nu-date { font-size: 12px; color: #888; margin-top: 6px; }

/* Modal */
body.nu-no-scroll { overflow: hidden; }
#nu-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 9999999;  /* VERY high */
    justify-content: center;
    align-items: center;
}

#nu-modal img {
    max-width: 90%;
    max-height: 90%;
    position: relative;
    z-index: 10000000;
}

#nu-modal .close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #fff;
    font-size: 34px;
    cursor: pointer;
    z-index: 10000001;
}