body {
    background: #f4f6f9;
    color: #212529;
}

.container-principal {
    max-width: 1000px;
}

.card-principal {
    border: 0;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.banner {
    width: 100%;
    display: block;
    height: auto;
}

.titulo-principal {
    font-weight: 700;
    color: #17365d;
}

.subtitulo-secao {
    background: #17365d;
    color: #fff;
    padding: 12px 16px;
    border-radius: 10px;
    margin-top: 30px;
    margin-bottom: 20px;
    font-weight: 600;
}

.pergunta {
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.pergunta-titulo {
    font-weight: 600;
    margin-bottom: 15px;
}

.form-check {
    margin-bottom: 9px;
}

.form-check-input {
    cursor: pointer;
}

.form-check-label {
    cursor: pointer;
}

.limite-info {
    font-size: 0.875rem;
    color: #6c757d;
    margin-bottom: 12px;
}

.btn-enviar {
    padding: 13px 35px;
    font-size: 1.05rem;
    font-weight: 600;
    border-radius: 10px;
}

.rodape {
    color: #6c757d;
    font-size: 0.9rem;
}