* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: linear-gradient(135deg, #040607ba, #ffffff);
    padding: 40px 20px;
 
}

/* Título principal */
h1 {
    text-align: center;
    color: white;
    margin-bottom: 35px;
    font-size: 36px;
}

/* Cada questão */
.container {
    background-color: white;
    max-width: 700px;
    margin: 20px auto;
    padding: 25px;
    border-radius: 15px;
    
}

/* Perguntas */
.container h3 {
    margin-bottom: 20px;
    color: #444;
    font-size: 25px;
}

/* Botões */
button {
    background-color: rgba(0, 0, 0, 0.57);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: 0.3s;
}

button:hover {
   
    box-shadow: 0 5px 15px rgba(6, 68, 237, 0.918);
}

button:active {
    transform: scale(0.98);
}

/* Área dos campos */
.row {
    width: 100%;
}

.col {
    width: 100%;
}

/* Espaçamento entre os campos */
.mb-3 {
    margin-bottom: 20px;
}

/* Labels */
.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #555;
}

/* Inputs */
.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    outline: none;
    transition: 0.3s;
}

/* Quando clicar no input */
.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

/* Placeholder */
.form-control::placeholder {
    color: #aaa;
}

/* Responsividade */
@media (max-width: 600px) {
    body {
        padding: 25px 15px;
    }

    h1 {
        font-size: 28px;
    }

    .container {
        padding: 20px;
    }

    .container h3 {
        font-size: 16px;
    }

    button {
        width: 100%;
    }
}
.btn-voltar {
       background-color: #dc2626;
       color: white;

        position: fixed;
       right: 80px;
       top: 50%;
       transform: translateY(-50%);

       display: flex;
       flex-direction: column;
       gap: 10px;

       text-decoration: none;
       text-align: center;

       padding: 12px 20px;
       border-radius: 8px;

       font-size: 15px;
       font-weight: bold;

       box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
       transition: 0.2s;
   }