/* ================================================================
   COLUMBIA PUBLICATION — footer.css
   ================================================================ */

.site-footer {
  background: var(--navy-deep);
  color: rgba(253,251,247,.7);
  padding-top: var(--sp-20);
}

/* ── Footer grid ──────────────────────────────────────────────── */
.footer__grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: var(--sp-12);
  padding-bottom: var(--sp-16);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

/* ── Brand column ─────────────────────────────────────────────── */
.footer__brand-logo {
  height: 48px;
  width: auto;
  display: block;
  margin-bottom: var(--sp-5);
  /* CSS filter to make logo visible on dark — remove if logo already has contrast */
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer__brand-tagline {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(253,251,247,.6);
  margin-bottom: var(--sp-6);
  max-width: 280px;
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: 0.875rem;
  color: rgba(253,251,247,.65);
  margin-bottom: var(--sp-3);
  text-decoration: none;
  transition: color var(--ease);
}

.footer__contact-item:hover { color: var(--gold-light); }
.footer__contact-item span { font-size: 1rem; }

/* ── Footer nav columns ───────────────────────────────────────── */
.footer__col-title {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid rgba(198,168,90,.2);
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer__nav-link {
  font-size: 0.875rem;
  color: rgba(253,251,247,.6);
  text-decoration: none;
  transition: color var(--ease), padding-left var(--ease);
  display: block;
}

.footer__nav-link:hover {
  color: var(--cream);
  padding-left: 4px;
}

/* ── Footer bottom bar ────────────────────────────────────────── */
.footer__bottom {
  padding-block: var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.footer__copyright {
  font-size: 0.8125rem;
  color: rgba(253,251,247,.35);
}

.footer__legal {
  display: flex;
  gap: var(--sp-5);
  flex-wrap: wrap;
}

.footer__legal a {
  font-size: 0.8125rem;
  color: rgba(253,251,247,.35);
  text-decoration: none;
  transition: color var(--ease);
}

.footer__legal a:hover { color: rgba(253,251,247,.65); }

/* ── Social icons ─────────────────────────────────────────────── */
.footer__social {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  color: rgba(253,251,247,.6);
  font-size: 0.875rem;
  text-decoration: none;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.footer__social-link:hover {
  background: rgba(198,168,90,.15);
  border-color: rgba(198,168,90,.3);
  color: var(--gold-light);
}

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1.5fr 1fr 1fr; }
  /* Brand col spans full width on tablet */
  .footer__grid > *:first-child { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--sp-8); }
  .footer__grid > *:first-child { grid-column: 1 / -1; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .footer__legal { justify-content: center; }
}

@media (max-width: 380px) {
  .footer__grid { grid-template-columns: 1fr; }
}