form {
    max-width: 500px;
    margin: 40px auto;
    padding: 25px;
    padding-right: 50px; /* ➜ Ajoute plus d'espace à droite */
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    font-family: Arial, sans-serif;
}

form label {
    display: block;
    margin-bottom: 20px; /* un peu plus d’espace entre les champs */
    font-weight: 600;
    color: #333;
}

form input,
form textarea {
    width: 100%;
    padding: 12px;
    margin-top: 6px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 16px;
    background: #f7f7f7;
    transition: 0.3s ease;
}

form input:focus,
form textarea:focus {
    border-color: red;
    background: #fff;
    outline: none;
    box-shadow: 0 0 5px darkred;
}

form textarea {
    height: 120px;
    resize: vertical;
}

form button {
    display: inline-block;
    width: 100%;
    padding: 12px;
    margin-top: 10px;
    background: red;
    color: white;
    font-size: 18px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s ease;
}

form button:hover {
    background: red;
}

button,
.btn {
    background: darkblue;         /* Rouge vif */
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s ease;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

/* Effet hover */
button:hover,
.btn:hover {
    background: #c40000;         /* Rouge plus foncé */
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

/* Effet clic */
button:active,
.btn:active {
    transform: translateY(0);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
}

/* Centrer le bouton + espace 50px dessous */
.center-btn {
    text-align: center;          /* Centre horizontalement */
    margin-top: 50px;            /* Décalage de 50px vers le bas */
}