.sitio-footer {
  background: var(--fondo-degradado);
  color: var(--texto-secundario);
  padding-top: 4.5rem;
  font-size: 0.85rem;
  width: 100%;
}

.contenedor-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem 3.5rem 2rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
  box-sizing: border-box;
}

.columna-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.logo-footer {
  height: 60px;
  width: auto;
  margin: 0 auto 1.2rem auto;
  display: block;
}

.descripcion-empresa {
  color: var(--texto-secundario);
  line-height: 1.7;
  margin: 0;
  max-width: 320px;
  font-size: 0.85rem;
}

.titulo-columna {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--texto-secundario);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin: 0 0 1.5rem 0;
}

.lista-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
}

.lista-links a {
  color: var(--texto-secundario);
  text-decoration: none;
  transition: color 0.2s ease;
  font-size: 0.85rem;
  white-space: nowrap;
}

.lista-links a:hover {
  color: var(--azul-acento);
}

.lista-contacto {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.85rem;
}

.lista-contacto a,
.lista-contacto .item-ubicacion {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.75rem;
  color: var(--texto-secundario);
  text-decoration: none;
  transition: color 0.2s ease;
  font-size: 0.85rem;
  white-space: nowrap;
}

.icono-contacto {
  font-size: 15px;
  width: 20px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
  color: var(--texto-secundario);
  transition: transform 0.2s ease, color 0.2s ease;
}

.base-footer {
  border-top: 1px solid var(--sombra);
  padding: 1.5rem 1rem;
  text-align: center;
  background-color: var(--color-fondo-siguiente);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.base-footer p {
  margin: 0;
  color: var(--texto-secundario);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}


@media (max-width: 900px) {
  .contenedor-footer {
    grid-template-columns: 1fr 1fr;
    row-gap: 3rem;
    column-gap: 2rem;
  }

  .columna-footer.marca {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .sitio-footer {
    padding-top: 3rem;
  }

  .contenedor-footer {
    grid-template-columns: 1fr;
    row-gap: 2.5rem;
    padding: 0 1.5rem 2.5rem 1.5rem;
  }

  .descripcion-empresa {
    max-width: 100%;
    font-size: 0.83rem;
  }

  .titulo-columna {
    font-size: 0.72rem;
    margin-bottom: 1.1rem;
  }

  .lista-links a,
  .lista-contacto a,
  .lista-contacto .item-ubicacion {
    font-size: 0.9rem;
  }

  .lista-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    row-gap: 1rem;
    column-gap: 0.5rem;
    justify-items: center;
  }

  .lista-contacto {
    gap: 1rem;
  }

  .base-footer {
    padding: 1.25rem 1rem;
  }

  .base-footer p {
    font-size: 0.72rem;
    line-height: 1.5;
  }
}