@media (max-width: 640px) {
  
  html, body { max-width: 100vw; overflow-x: hidden; }
  body { word-wrap: break-word; overflow-wrap: break-word; }

  
  nav, nav.top-nav {
    padding: 10px 14px !important;
    gap: 8px !important;
    flex-wrap: wrap !important;
  }
  .nav-logo {
    font-size: 1rem !important;
    letter-spacing: -0.01em !important;
  }
  .nav-logo-sub {
    font-size: .56rem !important;
    margin-left: 6px !important;
    padding-left: 6px !important;
    letter-spacing: .08em !important;
  }
  .nav-actions { gap: 6px !important; flex-wrap: wrap !important; }
  .nav-btn, .nav-btn-ghost {
    font-size: .7rem !important;
    padding: 7px 11px !important;
    letter-spacing: 0 !important;
  }

  
  .hero { padding: 32px 16px 22px !important; }
  .hero-eyebrow {
    font-size: .56rem !important;
    padding: 5px 11px !important;
    letter-spacing: .12em !important;
    margin-bottom: 14px !important;
    white-space: nowrap !important;
    max-width: 92vw !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }
  .hero-h1 {
    font-size: 1.7rem !important;
    line-height: 1.1 !important;
    margin-bottom: 12px !important;
  }
  .hero-sub {
    font-size: .9rem !important;
    line-height: 1.55 !important;
    padding: 0 6px !important;
  }

  
  .qa-chips {
    flex-wrap: wrap !important;
    justify-content: center !important;
    gap: 6px !important;
    padding: 0 6px !important;
  }
  .qa-chip {
    font-size: .72rem !important;
    padding: 6px 11px !important;
  }

  
  .wrap, .wrap-narrow, .rail-900 {
    padding: 0 14px !important;
  }
  main { padding-bottom: 32px !important; }
  .section { padding: 18px 0 !important; }

  
  .ask-card { margin: 0 6px 18px !important; border-radius: 14px !important; }
  .ask-hdr  { padding: 13px 16px !important; }
  .ask-body { padding: 16px !important; }
  .ask-textarea { font-size: .9rem !important; min-height: 110px !important; }
  .ask-actions { gap: 8px !important; }
  .btn-primary { font-size: .82rem !important; padding: 10px 16px !important; }

  
  .ql-grid { grid-template-columns: 1fr !important; gap: 10px !important; }
  .ql-card { padding: 12px 14px !important; }
  .ql-card-title { font-size: .92rem !important; }
  .ql-card-desc  { font-size: .72rem !important; }

  
  footer { padding: 18px !important; font-size: .58rem !important; }
  .contact-strip { padding: 18px 14px 8px !important; }

  
  #academyRail, #dashSideMenu {
    transform: translateX(-100%);
    transition: transform .25s ease;
  }
  body.rail-open #academyRail, body.dash-menu-open #dashSideMenu {
    transform: translateX(0);
  }
  body.vs-academy .topbar, body.vs-academy main, body.vs-academy footer {
    margin-left: 0 !important;
  }
  
  nav, .hero, main, footer { margin-left: 0 !important; }
  #dashMenuBtn, #railMenuBtn { display: inline-flex !important; }

  
  .table-wrap, table { max-width: 100% !important; overflow-x: auto !important; display: block !important; }

  
  .sn-layout, .sn-shell { grid-template-columns: 1fr !important; }
  .sn-side { display: none !important; }
  body.sn-side-open .sn-side {
    display: block !important;
    position: fixed; top: 0; left: 0; bottom: 0; z-index: 900;
    width: 80vw; max-width: 320px;
    background: #07090f;
    overflow-y: auto;
    border-right: 1px solid rgba(255,255,255,.13);
    padding: 16px 12px;
  }

  
  button, .btn, a.btn { max-width: 100%; }
}

@media (min-width: 641px) and (max-width: 960px) {
  .hero { padding: 48px 22px 30px !important; }
  .hero-h1 { font-size: 2.1rem !important; }
}