.site-footer {
  background: transparent;
  color: var(--text-primary);
  padding-top: var(--space-8);
  padding-bottom: var(--space-6);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-7);
}

/* ── Brand block ── */
.site-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-5);
}

.site-footer__logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.site-footer__logo img {
  display: block;
  width: 120px;
  height: auto;
}

/* ── Social row ──
   Soporte circular 24×24 (ink) con ícono blanco centrado.
   Hover: el círculo se rellena con accent, el ícono se mantiene blanco. */
.site-footer__social {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.site-footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--color-ink);
  color: #FFFFFF;
  text-decoration: none;
  transition:
    background-color var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}

@media (hover: hover) {
  .site-footer__social-link:hover {
    background-color: var(--color-accent);
    transform: translateY(-1px);
  }
}

.site-footer__social-link:focus-visible {
  background-color: var(--color-accent);
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.site-footer__social-icon {
  display: block;
  width: 14px;
  height: 14px;
}

/* ── Navigation columns ── */
.site-footer__nav {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.site-footer__col-title {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  margin: 0 0 var(--space-4) 0;
}

.site-footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.site-footer__list a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--text-base);
  line-height: var(--lh-normal);
  transition: color var(--duration-base) var(--ease-out);
}

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

/* ── Bottom legal strip ── */
.site-footer__bottom {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-start;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.site-footer__legal,
.site-footer__meta {
  margin: 0;
}

.site-footer__meta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.site-footer__meta a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--duration-base) var(--ease-out);
}

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

.site-footer__meta span {
  opacity: 0.5;
}

/* ── Tablet ≥ 768px ── */
@media (min-width: 768px) {
  .site-footer {
    padding-top: var(--space-9);
  }

  .site-footer__nav {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-7);
  }
}

/* ── Desktop ≥ 1024px ── */
@media (min-width: 1024px) {
  .site-footer__inner {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-9);
  }

  .site-footer__brand {
    flex-shrink: 0;
    width: 160px;
  }

  .site-footer__nav {
    flex: 1;
  }

  .site-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}