/* A quiet cross-browser fade only. No masks, strips, sliding surfaces or
   delayed requests. The ordinary browser still owns navigation and history. */
.ps-nav-enter .frame{animation:ps-page-enter 280ms ease-out both;}
.ps-nav-leave .frame{opacity:.4;transition:opacity 140ms ease-out;}
@keyframes ps-page-enter{from{opacity:.2;}to{opacity:1;}}
@media(prefers-reduced-motion:reduce){
.ps-nav-enter .frame,.ps-nav-leave .frame{animation:none;transition:none;opacity:1;}
}