body > .menu-toggle {
  position: fixed;
  top: 28px;
  right: max(var(--gutter, 32px), calc((100vw - 1536px) / 2 + var(--gutter, 32px)));
  z-index: 1000;
  color: #fff;
  touch-action: manipulation;
}
body > .menu-toggle span { background: currentColor; }
body > .menu-toggle.on-light-section { color: #142a3d; }
body > .menu-toggle[aria-expanded="true"] { color: #fff; }
@media (max-width: 600px) { body > .menu-toggle { top: 24px; } }

/* A consistent contrast surface also protects the icon over photos and boundaries. */
body > .menu-toggle {
  width: 44px;
  height: 44px;
  padding: 10px 8px;
  border-radius: 50%;
  background: rgba(12, 28, 43, .96);
  border: 1px solid rgba(255, 255, 255, .35);
  box-shadow: 0 2px 10px rgba(0, 0, 0, .16);
}
body > .menu-toggle span { height: 2px; flex-shrink: 0; }
body > .menu-toggle.on-light-section {
  background: rgba(255, 255, 255, .98);
  border-color: rgba(20, 42, 61, .25);
}
body > .menu-toggle[aria-expanded="true"] {
  background: rgba(12, 28, 43, .96);
  border-color: rgba(255, 255, 255, .35);
}
body > .menu-toggle:focus-visible { outline: 2px solid #d94a61; outline-offset: 4px; }
