/* Keep navigation visible without removing its space from the page flow. */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 249, 252, 0.94);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(227, 233, 239, 0.8);
}

.brand { flex-shrink: 0; }
.brand-logo { display: block; width: 205px; height: auto; }
.site-footer .brand-logo { width: 240px; }
@media (max-width: 700px) {
  header .brand-logo { width: 180px; }
}

body > .site-footer {
  display: block;
  max-width: none;
  margin: 40px 0 0;
  padding: 48px 24px 28px;
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 13px;
}
.footer-container { max-width: 1200px; margin-inline: auto; }
.footer-top { display: flex; justify-content: space-between; align-items: center; gap: 32px; }
.site-footer .brand { font-size: 27px; width: fit-content; }
.site-footer .footer-identity p { width: auto; margin: 12px 0 0; font-size: 13px; line-height: 1.7; }
.footer-navigation { text-align: right; }
.footer-links { display: flex; justify-content: flex-end; gap: 24px; flex-wrap: wrap; }
.footer-policy { display: inline-block; margin-top: 16px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 12px; }
.site-footer a:hover { color: var(--blue); }
@media (max-width: 700px) {
  body > .site-footer { padding: 36px 24px 28px; }
  .footer-top { flex-direction: column; gap: 24px; text-align: center; }
  .site-footer .brand { margin-inline: auto; }
  .footer-navigation { text-align: center; }
  .footer-links { justify-content: center; gap: 20px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; gap: 10px; }
}