/* ===================================
   Footer
   =================================== */

.site-footer {
  background: var(--color-navy);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .site-logo { color: var(--color-white); margin-bottom: 14px; }
.footer-brand .logo-mark { background: rgba(255,255,255,0.1); }
.footer-tagline {
  font-size: 0.875rem; line-height: 1.65;
  color: rgba(255,255,255,0.55);
  max-width: 28ch;
}

.footer-col-title {
  font-size: 0.8125rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--color-white); margin-bottom: 16px;
}

.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 0.875rem; color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--color-white); }

.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  padding-top: 24px;
  font-size: 0.8125rem; color: rgba(255,255,255,0.35);
}
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: rgba(255,255,255,0.35); transition: color var(--transition); }
.footer-bottom-links a:hover { color: rgba(255,255,255,0.7); }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ── Focus Accessibility ── */
:focus-visible {
  outline: 2px solid #2B4FE8;
  outline-offset: 3px;
  border-radius: 3px;
}
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid #2B4FE8;
  outline-offset: 3px;
  border-radius: 4px;
  box-shadow: 0 0 0 4px rgba(43,79,232,.15);
}