.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.lang-switch {
  display: flex;
  gap: 2px;
  padding: 3px;
  border-radius: 999px;
  background: rgba(27, 67, 50, 0.06);
}
.lang-switch button {
  border: 0;
  background: transparent;
  color: #57534e;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 6px 8px;
  border-radius: 999px;
  cursor: pointer;
}
.lang-switch button.active {
  background: #1b4332;
  color: #fff;
}
.nav {
  margin-left: auto;
}
@media (max-width: 900px) {
  .header-right { margin-left: auto; }
  .nav { margin-left: 0; }
}