.site-footer {
  background: var(--of-grafito);
  color: rgba(255,255,255,0.7);
  padding: var(--of-space-24) 0 var(--of-space-8);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--of-cyan), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--of-space-12);
  margin-bottom: var(--of-space-16);
}

@media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; gap: var(--of-space-8); } }

.footer-brand .brand { color: var(--of-blanco); }
.footer-brand .brand-text { color: var(--of-blanco); }
.footer-about {
  margin: var(--of-space-6) 0;
  font-size: var(--of-fs-sm);
  line-height: 1.7;
  max-width: 360px;
}

.footer-social {
  display: flex;
  gap: var(--of-space-3);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  color: var(--of-blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--of-trans-fast);
  font-size: 1.1rem;
}

.footer-social a:hover {
  background: var(--of-cyan);
  transform: translateY(-2px);
}

.footer-col h5 {
  color: var(--of-blanco);
  font-family: var(--of-font-body);
  font-size: var(--of-fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--of-space-5);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--of-space-3);
}

.footer-col a {
  color: rgba(255,255,255,0.7);
  font-size: var(--of-fs-sm);
  transition: color var(--of-trans-fast);
}

.footer-col a:hover { color: var(--of-cyan-light); }

.footer-col li.contact-line {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: var(--of-fs-sm);
}
.footer-col li.contact-line i {
  color: var(--of-cyan);
  font-size: 1.1rem;
  margin-top: 2px;
}

.footer-bottom {
  padding-top: var(--of-space-8);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--of-space-4);
  font-size: var(--of-fs-xs);
  color: rgba(255,255,255,0.5);
}