.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--color-border);
  background: rgba(247, 248, 251, 0.9);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.1rem;
  min-height: 82px;
}

.brand {
  flex: 0 0 auto;
}

.brand img {
  width: auto;
  height: 54px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.05rem;
  color: var(--color-muted);
  font-size: 0.93rem;
  font-weight: 700;
}

.nav-links a {
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover {
  border-color: var(--color-accent);
  color: var(--color-primary);
}

.menu-toggle {
  display: none;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-white);
  color: var(--color-primary);
}