.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.04em;
}
.lang-switch a {
  color: inherit;
  opacity: 0.55;
  text-decoration: none;
  padding: 2px 4px;
  transition: opacity 0.15s ease;
}
.lang-switch a:hover { opacity: 0.9; }
.lang-switch a.active { opacity: 1; font-weight: 600; }
.lang-switch .sep { opacity: 0.35; }
.mobile-nav-links .lang-switch { margin: 12px 0 0 0; }