body {
    font-family: Arial, sans-serif;
    background-image: url("/public/environnementt_plateforme_renovation_energetique.jpg");
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
    background-attachment: fixed;
    margin: 0;
    padding: 0;
    color: #333;
}

h1 {
    text-align: center;
    background: #0052D4;
    color: #ffffff;
    padding: 3rem 1rem;
    font-size: 2rem;
}

.form-container {
    max-width: 900px;
    margin: 20px auto;
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
}

label {
    display: block;
    margin-top: 15px;
    font-weight: bold;
}

select,
input[type="number"],
input[type="text"],
button {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border-radius: 5px;
    border: 1px solid #ccc;
    box-sizing: border-box;
    font-size: 14px;
}

fieldset {
    border: none;
    margin-top: 15px;
    padding: 0;
}

legend {
    font-weight: bold;
    margin-bottom: 5px;
}

fieldset label {
    display: inline-block;
    margin: 5px 10px 0 0;
    font-weight: normal;
}

button {
    background: #007bff;
    color: white;
    border: none;
    font-size: 16px;
    font-weight: bold;
    margin-top: 20px;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #0056b3;
}

@media screen and (max-device-width: 768px) {
    body {
        font-size: 2.5rem;
    }

    h1 {
        font-size: 3rem;
    }

    label {
        font-size: 2.5rem;
    }

    input,
    select,
    button {
        font-size: 2rem;
        padding: 20px;
    }

    input[type="number"]{
        width: 100%;
        height: 60px;
        font-size: 2rem;
    }

    fieldset input[type="checkbox"] {
        width: 25px;
        height: 25px;
    }
}