.header-nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0.5rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.header-nav-link:hover {
  background: rgba(255, 255, 255, 0.26);
  transform: translateY(-1px);
}

@media (max-width: 640px) {
  .header-nav-link {
    padding: 0.45rem 0.65rem;
  }
}