/* Shared page background, menu and footer; content keeps its existing styles. */
body { background-color: #101317; }
[data-bs-theme="light"] body { background-color: #f8fafc; }
.site-container { max-width: 1140px; }
.skip-link { position: fixed; left: 16px; top: -100px; z-index: 9999; background: #fff; color: #111; padding: 12px 18px; }
.skip-link:focus { top: 12px; }

.landing-header, .landing-footer {
  --landing-text: #f4f5f7;
  --landing-muted: #a0a8b6;
  --landing-line: #2b313b;
  --landing-surface: #191e25;
  --landing-blue: #478bff;
  color: var(--landing-text);
  font-family: 'Open Sans', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
[data-bs-theme="light"] .landing-header, [data-bs-theme="light"] .landing-footer {
  --landing-text: #17202e;
  --landing-muted: #586477;
  --landing-line: #d9dfe8;
  --landing-surface: #eef1f6;
  --landing-blue: #0961da;
}
.landing-header .landing-shell, .landing-footer.landing-shell {
  width: min(1140px, calc(100% - 96px));
  margin-inline: auto;
}
.landing-header { border-bottom: 1px solid var(--landing-line); }
.landing-header .navbar { padding: 23px 0; }
.landing-header .landing-brand, .landing-footer .landing-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--landing-text);
  font-size: 25px;
  font-weight: 750;
  letter-spacing: -1px;
}
.landing-header .landing-brand img, .landing-footer .landing-brand img { object-fit: contain; }
.landing-header .navbar-nav { gap: 22px; }
.landing-header .nav-link { font-size: 13px; color: var(--landing-muted); }
.landing-header .nav-link.active, .landing-header .nav-link:hover { color: var(--landing-text); }
.landing-header .landing-account {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  color: var(--landing-text);
  padding: 11px 18px;
  border: 1px solid var(--landing-line);
  border-radius: 8px;
  text-decoration: none;
  font-size: 13px;
  margin-left: 10px;
}
.landing-header .landing-account:hover { background: var(--landing-surface); }
.landing-header .bi, .landing-footer .bi { width: auto; height: auto; line-height: 1; }
.landing-header a, .landing-footer a { transition: color .18s, background .18s; }
.landing-header a:focus-visible, .landing-header button:focus-visible,
.landing-footer a:focus-visible, .landing-footer button:focus-visible {
  outline: 3px solid var(--landing-blue);
  outline-offset: 5px;
}
.landing-footer { padding-block: 58px 90px; }
.landing-footer .footer-top {
  display: flex;
  align-items: center;
  gap: 25px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--landing-line);
}
.landing-footer .footer-top .landing-brand { font-size: 20px; }
.landing-footer .footer-top p { color: var(--landing-muted); font-size: 11px; margin: 0; }
.landing-footer .footer-top nav { margin-left: auto; display: flex; gap: 23px; }
.landing-footer a:not(.landing-brand) { color: var(--landing-muted); font-size: 11px; text-decoration: none; }
.landing-footer a:hover { color: var(--landing-text); }
.landing-footer .footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  color: var(--landing-muted);
  font-size: 10px;
}
.landing-footer .footer-bottom > div { display: flex; align-items: center; gap: 25px; }
.landing-footer #bd-theme { padding: 5px 10px; color: var(--landing-muted); border-color: var(--landing-line); }
@media (max-width: 1050px) {
  .landing-header .landing-shell, .landing-footer.landing-shell { width: calc(100% - 64px); }
  .landing-footer .footer-top p { display: none; }
}
@media (max-width: 767px) {
  .landing-header .landing-shell, .landing-footer.landing-shell { width: calc(100% - 40px); }
  .landing-header .navbar { padding-block: 16px; }
  .landing-header .landing-brand { font-size: 23px; }
  .landing-header .navbar-nav { gap: 8px; padding-top: 18px; }
  .landing-header .landing-account { margin: 5px 0 0; }
  .landing-header .navbar-toggler { padding: 5px 7px; border-color: var(--landing-line); }
  .landing-footer { padding-top: 40px; }
  .landing-footer .footer-top { flex-wrap: wrap; gap: 25px; padding-bottom: 23px; }
  .landing-footer .footer-top nav { margin-left: 0; width: 100%; gap: 25px; }
  .landing-footer .footer-bottom > div { gap: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .landing-header a, .landing-footer a { transition: none; }
}