/* Shared site navigation. Injected by nav.js on every page so the markup
   cannot drift between them. Footer links stay in each page as the no-script
   fallback. */

.sitebar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 60;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px 0 18px;
  transition: background-color 0.22s ease, box-shadow 0.22s ease;
}
/* Transparent over a dark hero, solid once scrolled or on light pages. */
.sitebar.solid {
  background: rgba(250, 250, 247, 0.94);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  box-shadow: 0 1px 0 rgba(31, 41, 55, 0.09);
}

.sitebar-home {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  color: #fff;
  font-weight: 600;
  font-size: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease, color 0.22s ease;
}
.sitebar.solid .sitebar-home { opacity: 1; pointer-events: auto; color: #1F2937; }
.sitebar-home img { width: 30px; height: 30px; border-radius: 8px; display: block; }

.sitebar-toggle {
  margin-left: auto;
  width: 44px; height: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  border-radius: 10px;
}
.sitebar-toggle span {
  display: block;
  width: 22px; height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: background-color 0.22s ease, transform 0.22s ease, opacity 0.18s ease;
}
.sitebar.solid .sitebar-toggle span { background: #1F2937; }
.sitebar-toggle:focus-visible { outline: 2px solid #C75D3C; outline-offset: 2px; }

/* Hamburger becomes a close mark while the menu is open. */
.sitebar.open .sitebar-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.sitebar.open .sitebar-toggle span:nth-child(2) { opacity: 0; }
.sitebar.open .sitebar-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.sitemenu {
  position: absolute;
  top: 56px;
  right: 12px;
  min-width: 208px;
  background: #fff;
  border: 1px solid rgba(31, 41, 55, 0.1);
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(18, 25, 94, 0.18);
  padding: 8px;
  display: flex;
  flex-direction: column;
}
.sitemenu[hidden] { display: none; }
.sitemenu a {
  display: block;
  padding: 11px 14px;
  border-radius: 10px;
  text-decoration: none;
  color: #1F2937;
  font-size: 16px;
}
.sitemenu a:hover { background: rgba(31, 41, 55, 0.05); }
.sitemenu a[aria-current="page"] { color: #A84A2E; font-weight: 600; }
.sitemenu hr {
  border: 0;
  border-top: 1px solid rgba(31, 41, 55, 0.09);
  margin: 6px 10px;
}

/* Pages whose content starts light need room for the fixed bar. */
body.nav-light { padding-top: 60px; }

@media (prefers-reduced-motion: reduce) {
  .sitebar, .sitebar-toggle span, .sitebar-home { transition: none; }
}