.nx-hero::before{

content:"";

position:absolute;

inset:0;

background-image:

linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),

linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);

background-size:50px 50px;

pointer-events:none;

}

/* نور متحرک */

.nx-hero::after{

content:"";

position:absolute;

width:700px;

height:700px;

left:-250px;

top:-250px;

background:radial-gradient(circle,#00d4ff20 0%,transparent 70%);

animation:moveLight 12s linear infinite;

pointer-events:none;

}

@keyframes moveLight{

0%{

transform:translate(0,0);

}

50%{

transform:translate(200px,120px);

}

100%{

transform:translate(0,0);

}

}