/* CourseBuild mobile layout hotfix — remove blank gap between course chrome and section content */
@media (max-width:760px){
  /* Keep the mobile stack in normal document flow. Earlier RC layers use sticky offsets
     that can push the section selector down and leave an empty band on iOS Safari. */
  .topbar{position:relative!important;top:auto!important}
  main{margin-top:0!important;padding-top:0!important}
  .hero,.steps{display:none!important;height:0!important;min-height:0!important;margin:0!important;padding:0!important;border:0!important}
  .mobile-section-nav{
    position:relative!important;
    top:auto!important;
    margin:0!important;
    transform:none!important;
    width:100%!important;
    z-index:40!important;
  }
  .view{margin-top:0!important;padding-top:18px!important}
  .view>.section-head:first-child{margin-top:0!important}
}