.site-nav {
  background: #ffffff;
  border-bottom: 1px solid var(--border, #e5e7eb);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-brand {
  color: var(--text, #1a2238);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.site-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-links a {
  color: var(--muted, #6b7280);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 7px 10px;
  border-radius: 7px;
}

.site-links a:hover {
  background: var(--bg, #f5f7fb);
  color: var(--accent, #1d4ed8);
}

.site-links a.active {
  background: var(--accent-light, #dbeafe);
  color: var(--accent, #1d4ed8);
}

@media (max-width: 640px) {
  .site-nav-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-links {
    justify-content: flex-start;
  }
}