/* Réinitialisation de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Police globale */
html, body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #ffffff;
    color: #333;
}

.zone {
    padding: 20px;
    border-bottom: 1px solid #ccc;;
}

.zone1 {
    background-color: white;
    padding: 20px;
    border-bottom: 0px solid #ccc;
    font-size: 45px;
    font-family: 'Lato', sans-serif;
    text-align: center;
    color: #3A6EA5;
}

.zone2 {
    background-color: white;
    padding: 20px;
    /*border-bottom: 0px solid #ccc;*/
    text-align: center;
}

.zone3 {
    background-color: white;
    padding: 20px;
    border-bottom: 0px solid #ccc;
    display: flex;
    gap: 10px;
}

.colonne:nth-child(1) {
    flex: 5;
}
.colonne:nth-child(2),
.colonne:nth-child(3) {
    flex: 1;
}

.colonne {
    background-color: #ffffff;
    border: 0px solid #aaa;
    padding: 10px;
}


.colonne {
    flex: 1;
    background-color: #ffffff;
    border: 1px solid #aaa;
    padding: 10px;
}


/* En-tête */
header {
    margin: 0 auto;
}

/* Menu horizontal */
.menu-horizontal {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: white;
    height: 60px;
    padding: 0 20px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Logo */
.menu-horizontal .logo {
    margin: 0;
    padding: 0;
}

.menu-horizontal .logo img {
    display: block;
    height: 60px;
    object-fit: contain;
}

.menu-horizontal .logo a {
    text-decoration: none;
}

.menu-horizontal .logo a:hover {
    text-decoration: none;
}

/* Liste de navigation */
.menu-horizontal ul {
    list-style: none;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin: 0;
    padding: 0;
    background-color: white;
}

/* Éléments de menu */
.menu-horizontal li {
    margin: 0;
}

/* Liens du menu */
.menu-horizontal a {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: block;
    padding: 10px 15px;
    line-height: 60px;
    color: #0660b9;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s;
}

.menu-horizontal a:hover {
    background-color: #f0f0f0;
}

h1 {
  font-size: 24px; /* exemple */
}


/* Pied de page (si besoin) */
footer {
    padding: 20px;
    text-align: center;
    background-color: #f8f8f8;
    color: #666;
    font-size: 14px;
}