/* ========================================================
   FOOTER CORPORATIVO OFICIAL
   ======================================================== */

.site-footer {
  background-color: #070F1E;
  color: #94A3B8;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 4.5rem;
  padding-bottom: 2.5rem;
  font-size: 0.9rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* Columna de Marca */
.footer-brand {
  display: flex;
  flex-direction: column;
}

.footer-logo {
  margin-bottom: 1.25rem;
}

.footer-logo img {
  height: 38px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer-brand-desc {
  color: #94A3B8;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

/* Columnas de Enlaces */
.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  color: #94A3B8;
  text-decoration: none;
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-link:hover {
  color: #38BDF8;
}

/* Columna de Acceso y Portal */
.footer-access-card {
  background: rgba(20, 40, 74, 0.5);
  border: 1px solid rgba(46, 163, 242, 0.2);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.footer-access-card p {
  color: #CBD5E1;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.footer-client-btn {
  width: 100%;
  justify-content: center;
}

/* Barra Inferior de Copyright */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copyright {
  color: #64748B;
  font-size: 0.85rem;
}

.footer-official-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #38BDF8;
  background: rgba(46, 163, 242, 0.08);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(46, 163, 242, 0.2);
}

@media (max-width: 991px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 600px) {
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}