/* ============================================================
   DCS S.A. — Footer
   ============================================================ */

.footer {
  background-color: var(--color-dark-2);
  color: var(--color-text-on-dark);
  padding-top: var(--space-15);
}

/* ── GRID PRINCIPAL ── */

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr 1.3fr;
  gap: var(--space-8);
  padding-bottom: var(--space-10);
}

/* ── COLUMNA BRAND ── */

.footer__brand-logo {
  height: 40px;
  width: auto;
  margin-bottom: var(--space-3);
}

.footer__tagline {
  font-size: var(--text-small);
  color: var(--color-text-on-dark-2);
  line-height: var(--line-height-body);
  max-width: 240px;
  margin-bottom: var(--space-4);
}

.footer__social {
  display: flex;
  gap: var(--space-1);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.08);
  color: var(--color-text-on-dark-2);
  transition:
    background var(--transition-base),
    color var(--transition-base),
    transform var(--transition-spring);
  text-decoration: none;
}

.footer__social-link:hover {
  background: var(--color-primary);
  color: var(--color-dark);
  transform: translateY(-2px);
}

.footer__social-link svg {
  width: 18px;
  height: 18px;
}

/* ── COLUMNAS DE NAVEGACIÓN ── */

.footer__heading {
  font-size: var(--text-label);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-label);
  text-transform: uppercase;
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-3);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  list-style: none;
}

.footer__link {
  font-size: var(--text-small);
  color: var(--color-text-on-dark-3);
  text-decoration: none;
  padding: 3px 0;
  transition: color var(--transition-fast);
  line-height: var(--line-height-tight);
}

.footer__link:hover {
  color: var(--color-white);
}

/* ── COLUMNA CONTACTO ── */

.footer__contact-item {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  margin-bottom: var(--space-3);
}

.footer__contact-icon {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer__contact-text {
  font-size: var(--text-small);
  color: var(--color-text-on-dark-3);
  line-height: var(--line-height-body);
}

.footer__contact-text strong {
  display: block;
  color: var(--color-text-on-dark-2);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 2px;
}

.footer__contact-text a {
  color: var(--color-text-on-dark-3);
  transition: color var(--transition-fast);
}

.footer__contact-text a:hover {
  color: var(--color-primary);
}

/* ── LÍNEA INFERIOR ── */

.footer__bottom {
  border-top: 1px solid var(--color-border-dark);
  padding-block: var(--space-4);
}

.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copyright {
  font-size: var(--text-small);
  color: var(--color-text-on-dark-3);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-4);
  list-style: none;
}

.footer__bottom-link {
  font-size: var(--text-small);
  color: var(--color-text-on-dark-3);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__bottom-link:hover {
  color: var(--color-white);
}

/* ── RESPONSIVE ── */

@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
}

@media (max-width: 640px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding-bottom: var(--space-8);
  }

  .footer {
    padding-top: var(--space-10);
  }

  .footer__bottom-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
}