.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border-width: 0; }
  /* --- AJUSTES RESPONSIVOS PARA O RODAPÉ (sem alterações) --- */
    @media (max-width: 415px) {
        footer nav {
            flex-direction: column;
            gap: 0.5rem;
        }
        footer nav span {
            display: none;
        }
        #copyright-text {
            flex-wrap: wrap;
            gap: 0.25rem 0.5rem;
        }
    }