/* Marca y selector de idioma compartidos por Carta y Tránsito. */
nav .nav-brand-logo {
  box-sizing: border-box;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 5.5rem;
  height: 2.75rem;
  padding: 0;
  border: 0;
  border-radius: 4px;
  background: transparent;
}
nav .nav-brand-logo:hover { border-bottom-color: transparent; background: rgba(26,23,20,.05); }
nav .nav-brand-logo img { display: block; width: 100%; height: 100%; object-fit: contain; }

nav .lang-sep {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 3px;
  margin: 0;
  padding: 3px;
  border: 1px solid rgba(26,23,20,.18);
  border-radius: 7px;
  background: rgba(233,227,217,.9);
}
nav .lang-sep span { display: none; }
nav .lang-sep a {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.55rem;
  min-height: 2.25rem;
  padding: 0 .55rem;
  border: 0;
  border-radius: 4px;
  color: rgba(26,23,20,.62);
  font-size: .7rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .06em;
}
nav .lang-sep a:hover { border: 0; background: rgba(255,255,255,.65); color: #1a1714; }
nav .lang-sep a.active { background: #b5714a; color: #fff; box-shadow: 0 1px 2px rgba(26,23,20,.16); }

@media (max-width: 640px) {
  nav .nav-brand-logo { width: 5rem; height: 2.5rem; padding: 0; }
  nav .lang-sep { margin-top: 0; }
  nav .lang-sep a { min-width: 2.4rem; min-height: 2.15rem; padding: 0 .45rem; }
}