/* ============================================================
   FOOTER.CSS
   vortexlabs.cl
   ============================================================ */

footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 3.5rem 5vw 2rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand-name { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 0.25rem; }
.footer-brand-sub  { font-size: 0.75rem; color: var(--accent-lt); margin-bottom: 0.75rem; }
.footer-brand-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; max-width: 240px; }

.footer-col h5 { font-size: 0.8rem; font-weight: 600; color: var(--text); margin-bottom: 1rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col a  { font-size: 0.82rem; color: var(--text-muted); text-decoration: none; transition: color .2s; }
.footer-col a:hover { color: var(--accent-lt); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.footer-copy { font-size: 0.75rem; color: var(--text-sub); }
.footer-legal { display: flex; gap: 1.2rem; }
.footer-legal a { font-size: 0.75rem; color: var(--text-sub); text-decoration: none; transition: color .2s; }
.footer-legal a:hover { color: var(--accent-lt); }

@media (max-width: 768px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
}