/* A continuous, edge-to-edge header with centered navigation content. */
body.vivid .nav {
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 72px;
  transform: none;
  padding: 0 max(24px, calc((100% - 1160px) / 2));
  border: 0;
  border-bottom: 1px solid #1c2844;
  border-radius: 0;
  box-shadow: none;
}

@media (max-width: 900px) {
  body.vivid .nav { gap: 12px; padding: 0 18px; }
  body.vivid .nav nav a { padding-inline: 8px; }
  body.vivid .nav .language-selector { margin-left: 0; }
}

@media (max-width: 640px) {
  body.vivid .nav { height: 60px; gap: 8px; padding: 0 12px; }
  body.vivid .nav nav {
    top: 100%;
    border-radius: 0;
    border-top: 0;
  }
}