@media(max-width:1100px){
  .hero-grid{grid-template-columns:1fr 1fr}
  .ai-panel{grid-column:1/-1}
  .feat-grid{grid-template-columns:repeat(4,1fr)}
  .three{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:repeat(3,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:800px){
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:#111;flex-direction:column;padding:16px;gap:12px;border-bottom:1px solid #222}
  .nav.show{display:flex}
  .nav a.active{padding-bottom:0;margin:0;border:0}
  .ham{display:block}
  .hero-grid{grid-template-columns:1fr}
  .phone{width:220px}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{flex-direction:column;text-align:center}
}
@media(min-width:900px){
  body.app-page{background:#0a0a0a}
  .app-shell{margin-top:24px;margin-bottom:24px;border-radius:24px;overflow:hidden;min-height:calc(100vh - 48px)}
}