body { font-family: "Segoe UI", system-ui, sans-serif; }
nav { background: #1f3a5f; color: #fff; padding: .6rem 1rem; }
nav a { color: #cfe3ff; margin-right: 1rem; text-decoration: none; }
nav .brand { font-weight: 700; margin-right: 1.5rem; }