/* Mobile header and scene copy each keep their own space. */
@media (max-width:600px) {
  .stage { min-height:0; }
  .site-header { padding:16px 14px; gap:8px; }
  .site-header .brand img { width:clamp(60px,18vw,78px); }
  .site-header .header-socials { position:static; margin-left:auto; gap:4px; }
  .site-header .header-socials a { width:34px; height:40px; border-radius:50%; background:transparent; }
  .site-header .header-socials svg { width:18px; height:18px; }
  .site-header .download-button[data-download] { font-size:clamp(13px,3.8vw,16px); padding:12px 10px; gap:10px; min-height:44px; }
  .site-header .download-arrow { font-size:20px; }
  /* This decorative phone backdrop is unnecessary behind the readable card. */
  .app-map-context { display:none; }
}