/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--negro-deep);
  padding: clamp(2.5rem, 5vw, 4rem) 0 0;
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
  padding-bottom: clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.footer__brand img {
  height: 30px;
  width: auto;
  opacity: 0.7;
  margin-bottom: 1rem;
}

.footer__brand-text {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
  max-width: 260px;
  line-height: 1.65;
}

.footer__nav-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  color: var(--blanco);
  margin-bottom: 1rem;
}

.footer__nav-link {
  display: block;
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.38);
  padding: 0.32rem 0;
  transition: color var(--transition);
}
.footer__nav-link:hover { color: var(--celeste); }

.footer__social { display: flex; gap: 0.75rem; margin-top: 0.5rem; }

.footer__social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.1);
  transition: border-color var(--transition), background var(--transition);
}
.footer__social-link:hover {
  border-color: rgba(89,155,237,0.5);
  background: rgba(89,155,237,0.08);
}
.footer__social-link img {
  width: 18px;
  height: 18px;
  opacity: 0.65;
  transition: opacity var(--transition);
}
.footer__social-link:hover img { opacity: 1; }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__copyright {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.22);
  letter-spacing: 0.04em;
}

.footer__credits {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.22);
}

.footer__credits img {
  height: 16px;
  width: auto;
  opacity: 0.4;
}

@media (max-width: 1024px) {
  .footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .footer__top { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom { flex-direction: column; text-align: center; }
}