/* Shared marketing performance overrides — side-effect free, no layout reflow. */
@media (max-width: 1023px) {
  .shell-noise,
  .auth-shell-noise {
    display: none !important;
  }

  .nav-glass,
  .header-glass,
  .glass,
  .glass-card,
  .portal-card,
  .plan-card {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn-primary,
  .btn-primary *,
  .ui-button-primary,
  .btn-gradient-enterprise {
    animation: none !important;
  }

  html {
    scroll-behavior: auto !important;
  }
}

/* Pause decorative motion when tab is hidden (applied via tiny script). */
html.is-page-hidden .btn-primary,
html.is-page-hidden .shell-noise {
  animation-play-state: paused !important;
}

/* Below-fold sections: skip paint until near viewport */
.perf-defer {
  content-visibility: auto;
  contain-intrinsic-size: 1px 720px;
}