.footer { background: #333; color: #eee; text-align: center; padding: 24px 0; margin-top: 40px; font-size: 0.96em; }
        .footer a { color: #87e8ff; text-decoration: none; margin: 0 10px; }
        .footer .social { margin-top: 10px; }
        .footer .social img { width: 28px; margin: 0 5px; vertical-align: middle; }
        @media (max-width: 800px) {
            .columns { flex-direction: column; }
        }