/* === Mobile Burger Fix (v13) — Printable3D === */
@media (max-width: 900px) {
  .m-burger {
    position: fixed !important;
    top: calc(env(safe-area-inset-top, 0px) + 12px) !important;
    right: 12px !important;
    z-index: 2147483647 !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    transform: none !important;
    transition: none !important;
  }
  .m-nav { z-index: 2147483646 !important; }
  .offcanvas-backdrop,.drawer-backdrop,.menu-overlay,.overlay,.fade-overlay { pointer-events: none !important; }
  header.is-scrolled .m-burger, header.shrink .m-burger {
    display: inline-flex !important; opacity: 1 !important; visibility: visible !important;
  }
}