/* =========================================================
   FOOTER.CSS — Pie de página oscuro + responsive + acordeón móvil
   ========================================================= */

footer {
  background: #0f1430;
  color: #d7def5;
  margin-top: 40px;
  padding: 40px 20px 20px;
}

.footer-wrap {
  max-width: var(--container);
  margin: auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
}

footer h4 {
  margin-bottom: 10px;
  font-weight: var(--fw-700);
  color: #ffffff;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: default;
}

footer a {
  color: #cbd5ff;
  display: inline-block;
  margin-bottom: 8px;
  transition: color .2s ease;
  font-size: 0.95rem;
}
footer a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-links {
  list-style: none;
  padding-left: 0;
}

footer p {
  font-size: .95rem;
  line-height: 1.5;
  color: #d7def5;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 25px;
  padding-top: 12px;
  text-align: center;
  font-size: .9rem;
  color: #9fb0ff;
}

/* =======================
   📱 Adaptaciones móviles
   ======================= */
@media (max-width: 768px) {
  .footer-wrap {
    grid-template-columns: 1fr;
    gap: 18px;
    text-align: left;
  }

  .collapsible {
    cursor: pointer;
    padding: 10px 0;
  }

  .collapsible i {
    font-size: 0.9rem;
    transition: transform .3s ease;
  }

  .collapsible.active i {
    transform: rotate(180deg);
  }

  .footer-links {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
  }

  .footer-links.open {
    max-height: 200px; /* espacio para expandirse */
  }

  footer a {
    display: block;
    margin: 6px 0;
    font-size: 0.9rem;
  }

  footer p {
    text-align: center;
    font-size: 0.9rem;
  }

  footer h4 {
    font-size: 1rem;
    color: #fff;
  }
}