Validar e-mail

        function validarEmail(event) {
            let emailInput = event.target;
            let emailError = document.getElementById('email-error');

            // Expressão regular para validar e-mail
            let emailRegex = /^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/;

            if (!emailRegex.test(emailInput.value.trim())) {
                mostrarErro(emailInput, emailError);
                return;
            }

            ocultarErro(emailInput, emailError);
        }