/* Reproduction fidèle de l'apparence du formulaire d'abonnement historique :
   fond blanc, contenu centré, largeur maximale ~450-500 px, bouton sombre pleine largeur. */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background-color: #ffffff;
    font-family: 'Segoe UI', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    color: #4a4a4a;
}

.form-container {
    max-width: 450px;
    margin: 0 auto;
    padding: 4rem 1rem;
}

.form-header {
    text-align: center;
}

.form-header .logo {
    max-width: 70%;
    height: auto;
}

.form-group {
    padding: 11px 0;
}

.form-title {
    text-align: center;
    font-weight: 500;
    font-size: 1.9rem;
    color: #4a4a4a;
    margin: 2rem 0 0;
}

.form-intro {
    text-align: center;
    font-size: 15px;
    margin: 0;
    line-height: 1.5;
}

.form-group label {
    display: block;
    font-size: 15px;
    margin-bottom: 4px;
    color: #4a4a4a;
}

.form-group input[type=text],
.form-group input[type=email],
.form-group select {
    width: 100%;
    border: 1px solid #4a4a4a;
    border-radius: 4px;
    box-shadow: 0 1px 1px inset #e2e2e2;
    padding: 0.5rem 0.65rem;
    font-size: 15px;
    color: #333333;
    background-color: transparent;
}

.form-group input:focus,
.form-group select:focus,
.form-group input[type=checkbox]:focus-visible {
    outline: 3px solid #8ab4f8;
    outline-offset: 1px;
}

.form-group .checkbox-line {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 15px;
}

.form-group .help-text {
    font-size: 13px;
    color: #767676;
    margin: 4px 0 0;
}

.form-group button {
    margin-top: 10px;
    width: 100%;
    background-color: #4a4a4a;
    color: #ffffff;
    font-size: 15px;
    font-weight: 500;
    border: none;
    border-radius: 5px;
    padding: 1.35rem 0;
    cursor: pointer;
}

.form-group button:hover {
    background-color: #333333;
}

.form-group button:focus-visible {
    outline: 3px solid #8ab4f8;
    outline-offset: 2px;
}

.field-error {
    color: #b3261e;
    font-size: 13px;
    margin: 4px 0 0;
}

.input-invalid {
    border-color: #b3261e !important;
}

.message-page {
    text-align: center;
    margin-top: 3rem;
}

.message-page h1 {
    font-weight: 500;
    font-size: 1.9rem;
    color: #4a4a4a;
}

.message-page p {
    font-size: 15px;
    line-height: 1.6;
}

.message-page .list-name {
    font-weight: 700;
    margin-top: 2.5rem;
}

/* Champ destiné aux robots : hors écran, jamais visible ni focusable. */
.champ-siteweb {
    position: absolute;
    left: -9999px;
    top: -9999px;
    height: 1px;
    width: 1px;
    overflow: hidden;
}

/* Page de gestion des préférences */
.prefs-page h1 {
    font-weight: 500;
    font-size: 1.8rem;
}

.prefs-page h2 {
    font-weight: 500;
    font-size: 1.3rem;
    margin-top: 2.5rem;
}

.prefs-row {
    display: flex;
    gap: 2rem;
    font-size: 15px;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.prefs-unsubscribe {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-outline {
    background: transparent;
    border: 1px solid #4a4a4a;
    border-radius: 3px;
    color: #4a4a4a;
    font-size: 12px;
    letter-spacing: 0.05em;
    padding: 0.7rem 1.2rem;
    cursor: pointer;
    text-transform: uppercase;
}

.btn-outline:hover {
    background-color: #f2f2f2;
}

footer.address {
    margin-top: 4rem;
    text-align: center;
    font-size: 13px;
    color: #999999;
}