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

body {
    font-family: "Arial", sans-serif;
    background-color: #f4f4f4;
    color: #333;
}

/* LAYOUT PRINCIPAL */
header {
    min-height: 100vh;
    display: flex;
    align-items: stretch;
}

/* COLONNE GAUCHE – DESCRIPTION */
.left-column {
    flex: 1;
    padding: 60px;
    background:
        linear-gradient(
            rgba(255,255,255,0.92),
            rgba(255,255,255,0.92)
        ),
        url("images/troncs-bois.jpg");
    background-size: cover;
    background-position: center;
}

/* LOGO */
.logo img {
    max-width: 200px;
    margin-bottom: 30px;
}

/* TITRE */
.left-column h1 {
    font-size: 42px;
    color: #6b1f2b;
    margin-bottom: 20px;
}

/* ACTIVITÉS */
.activities {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 30px;
}

/* INFOS CONTACT */
.contact-infos {
    font-size: 14px;
    line-height: 1.7;
}

.contact-infos a {
    color: #6b1f2b;
    font-weight: bold;
    text-decoration: none;
}

/* COLONNE DROITE – FORMULAIRE */
.right-column {
    flex: 1;
    padding: 60px;
    background: #e9d3b3; /* bois clair */
    display: flex;
    align-items: center;
    justify-content: center;
}

/* CONTENEUR FORM */
.form-wrapper {
    width: 100%;
    max-width: 480px;
}

/* MESSAGE INTRO FORMULAIRE */
.form-intro {
    font-size: 16px;
    margin-bottom: 25px;
    color: #4a3a2a;
}

/* FORM */
form {
    background: rgba(255,255,255,0.9);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.field {
    margin-bottom: 15px;
}

label {
    display: block;
    font-weight: bold;
    margin-bottom: 6px;
}

input, textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

textarea {
    min-height: 100px;
}

/* BOUTON */
button {
    width: 100%;
    padding: 14px;
    background-color: #6b1f2b;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background-color: #531722;
}

/* RESPONSIVE */
@media (max-width: 900px) {
    header {
        flex-direction: column;
    }

    .left-column,
    .right-column {
        padding: 30px;
    }
}