/* === SECCIÓN: FOOTER === */

.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
}

/* === CONTENIDO PRINCIPAL === */
.footer__main {
  padding-block: var(--space-16) var(--space-12);
}

.footer__grid {
  display: grid;
  gap: var(--space-10);
  grid-template-columns: 1fr;
}

/* === COLUMNA 1 — Marca === */
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__logo {
  display: inline-block;
}

.footer__logo img {
  height: 28px;
  width: auto;
}

.footer__tagline {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-loose);
  max-width: 260px;
}

.footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-card);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast),
              border-color var(--transition-fast),
              background-color var(--transition-fast);
}

.footer__social-link:hover {
  color: var(--color-accent);
  border-color: var(--color-border-accent);
  background-color: var(--color-accent-subtle);
}

.footer__social-link svg {
  width: 16px;
  height: 16px;
}

/* === COLUMNAS 2, 3, 4 — Nav === */
.footer__col-title {
  font-family: var(--font-ui);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__links a {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-accent);
}

/* === COLUMNA 4 — Contacto === */
.footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.footer__contact-item svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent);
}

.footer__contact-item a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__contact-item a:hover {
  color: var(--color-accent);
}

/* === BOTTOM BAR === */
.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-5);
}

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

.footer__copyright {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.footer__legal {
  display: flex;
  gap: var(--space-4);
}

.footer__legal a {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__legal a:hover {
  color: var(--color-accent);
}

/* === TABLET === */
@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__bottom-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* === DESKTOP === */
@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-8);
  }
}