/* ============================================================
   FOOTER.CSS — Pie de página del blog
   ============================================================ */

.site-footer {
  background: var(--color-primary-dark);
  color: var(--color-text-inverted);
  margin-top: auto;
}

.site-footer__main {
  padding: var(--space-16) 0 var(--space-12);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
}

/* Brand column */
.footer-brand__logo {
  height: 60px;
  width: auto;
  margin-bottom: var(--space-4);
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer-brand__desc {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.7);
  line-height: var(--leading-loose);
  max-width: 32ch;
  margin-bottom: var(--space-6);
}

.footer-brand__store-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--color-accent);
  color: white;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  border-radius: var(--radius-md);
  transition: background var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.footer-brand__store-link:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
}

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

/* Column headings */
.footer-col__title {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}

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

.footer-col__links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.7);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer-col__links a:hover {
  color: white;
}

/* Contact */
.footer-contact__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-5);
}

.footer-contact__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.footer-contact__text {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.7);
  line-height: var(--leading-normal);
}

.footer-contact__phone {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: white;
}

/* Bottom bar */
.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: var(--space-6) 0;
}

.site-footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer-copyright {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
}

.footer-copyright a {
  color: rgba(255,255,255,0.7);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer-copyright a:hover { color: white; }

.footer-legal {
  display: flex;
  gap: var(--space-5);
}

.footer-legal a {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer-legal a:hover { color: white; }

.footer-social {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.footer-social__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.7);
  transition: background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

.footer-social__link:hover {
  background: var(--color-accent);
  color: white;
}

.footer-social__link svg {
  width: 18px;
  height: 18px;
}

/* Responsive */
@media (max-width: 1024px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .site-footer__bottom-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}