.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(252, 251, 247, 0.82);
  border-bottom: 1px solid rgba(90, 107, 74, 0.08);
}
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  gap: 24px;
}
.brand .brand-mark {
  width: 48px;
  height: 48px;
  object-fit: contain;
}
.footer-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}
.site-nav a {
  color: var(--text-muted);
  font-size: 16px;
  font-weight: 500;
}
.site-nav a:hover { color: var(--sage-dark); }
.site-nav a.button,
.site-nav a.button:hover {
  color: #fff;
}
.site-nav .button-sm {
  min-height: 46px;
  font-size: 15px;
  padding: 0 20px;
}
.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255,255,255,0.8);
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--sage-dark);
  margin: 5px auto;
}