@media(max-width:768px){
  .nav-links,.nav-cta{display:none!important;}
  .hamburger{display:flex!important;}
  .hero{min-height:auto!important;padding:80px 20px 40px!important;}
  .hero-content{grid-template-columns:1fr!important;gap:24px!important;}
  .app-mockup{display:none!important;}
}