.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid #C8DCF0;
  padding: 0.65rem 2rem;
  min-height: 56px;
  display: flex; align-items: center;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  box-sizing: border-box;
}
.site-nav-inner {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 0.35rem 0.5rem; width: 100%;
}
.site-nav-logo {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.1rem; font-weight: 700; color: #0A1628;
  margin-right: 0.75rem; text-decoration: none; white-space: nowrap;
}
.site-nav-sep { color: #6B7C93; user-select: none; line-height: 1; }
.site-nav-link {
  font-size: 0.85rem; font-weight: 500; color: #6B7C93;
  text-decoration: none; white-space: nowrap;
}
.site-nav-link:hover { color: #0A1628; text-decoration: none; }
.site-nav-link[aria-current="page"] { font-weight: 600; color: #0A1628; }
.site-nav-dropdown { position: relative; display: inline-block; }
.site-nav-dropdown > summary {
  font-size: 0.85rem; font-weight: 500; color: #6B7C93;
  cursor: pointer; list-style: none; white-space: nowrap;
}
.site-nav-dropdown > summary::-webkit-details-marker { display: none; }
.site-nav-dropdown[open] > summary,
.site-nav-dropdown.is-active > summary { color: #0A1628; font-weight: 600; }
.site-nav-menu {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 210px;
  background: #fff; border: 1px solid #e0e0e0;
  box-shadow: 0 4px 16px rgba(10, 22, 40, 0.08);
  padding: 6px 0; z-index: 200;
}
.site-nav-menu a {
  display: block; padding: 8px 14px; font-size: 0.85rem;
  color: #6B7C93; text-decoration: none;
}
.site-nav-menu a:hover { background: #F4F7FB; color: #0A1628; text-decoration: none; }
.site-nav-menu a[aria-current="page"] { font-weight: 600; color: #0A1628; background: #F4F7FB; }