/* --- Conteneur principal --- */
.contrat-piscine-form {
    max-width: 900px;
    margin: 2rem auto;
    padding: 2rem;
    background: #f8f9fb;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .08);
    font-family: "Segoe UI", Roboto, sans-serif;
    color: #333;
}

/* Titres de section */
.contrat-piscine-form h4 {
    margin: 2rem 0 1rem;
    font-size: 1.4rem;
    font-weight: 600;
    color: #3d3d3b;
    border-bottom: 2px solid #e1e4ea;
    padding-bottom: .4rem;
}

/* Paragraphes internes */
.contrat-piscine-form p {
    margin: 1rem 0;
}

/* Inputs textes & textarea */
.contrat-piscine-form input[type="text"],
.contrat-piscine-form input[type="tel"],
.contrat-piscine-form input[type="email"],
.contrat-piscine-form input[type="number"],
.contrat-piscine-form textarea {
    width: 100%;
    padding: .7rem 1rem;
    margin-top: .3rem;
    border: 1px solid #ccd2d8;
    border-radius: 6px;
    font-size: 1rem;
    background: #fff;
    transition: border-color .2s;
}

.contrat-piscine-form input:focus,
.contrat-piscine-form textarea:focus {
    border-color: #3d3d3b;
    outline: none;
    box-shadow: 0 0 0 2px rgba(26, 115, 232, .2);
}

/* Radio & checkbox + label */
.contrat-piscine-form label {
    display: block;
    margin: .5rem 0;
    cursor: pointer;
    line-height: 1.4;
}

.contrat-piscine-form input[type="radio"],
.contrat-piscine-form input[type="checkbox"] {
    transform: scale(1.2);
    margin-right: .4rem;
    accent-color: #3d3d3b;
    /* couleur native des radios/checkbox */
}

/* Sous-blocs d’options (entretien, privilège, produits) */
.contrat-piscine-form .entretien-options,
.contrat-piscine-form .privilege-options,
.contrat-piscine-form .produits-detail {
    background: #ffffff;
    border: 1px solid #e1e4ea;
    border-radius: 8px;
    padding: 1rem 1.2rem;
    margin-top: 1rem;
}

/* Tableau produits unitaires */
.contrat-piscine-form .produits-detail label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .4rem 0;
    border-bottom: 1px dashed #d7dbe2;
}

.contrat-piscine-form .produits-detail label:last-child {
    border-bottom: none;
}

.contrat-piscine-form .produits-detail input[type="number"] {
    width: 80px;
    text-align: center;
    margin-left: 1rem;
}

/* Total */
.contrat-piscine-form #total {
    font-size: 1.6rem;
    font-weight: 700;
    color: #0b8043;
    display: inline-block;
    margin-top: 1rem;
}

/* Bouton Valider */
.contrat-piscine-form input[type="submit"] {
    background: #3d3d3b;
    color: #fff;
    border: none;
    padding: .9rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    margin-top: 1.5rem;
    transition: background .2s;
}

.contrat-piscine-form input[type="submit"]:hover {
    background: #3d3d3b;
}

/* Responsive */
@media (max-width: 600px) {
    .contrat-piscine-form {
        padding: 1rem;
    }

    .contrat-piscine-form h4 {
        font-size: 1.2rem;
    }

    .contrat-piscine-form input[type="submit"] {
        width: 100%;
    }
}