body{
    font-family:Arial,sans-serif;
    background:#f5f7fa;
    margin:0;
}

header{
    background:#003366;
    color:white;
    text-align:center;
    padding:30px;
}

main{
    max-width:1100px;
    margin:auto;
    padding:30px;
}

.visite{
    background:white;
    border-radius:12px;
    box-shadow:0 3px 12px rgba(0,0,0,.1);
    overflow:hidden;
}

.image-zone{
    text-align:center;
    background:#eef2f7;
    padding-bottom:10px;
}

.image-zone img{
    width:100%;
    max-width:1000px;
    display:block;
    margin:auto;
    cursor:zoom-in;
}

figcaption{
    text-align:center;
    color:#666;
    font-size:.9rem;
    padding:10px;
    font-style:italic;
}

.info{
    padding:30px;
}

.info h2{
    color:#003366;
}

.progression{
    color:#666;
    margin-bottom:15px;
    font-weight:bold;
}

.navigation{
    display:flex;
    justify-content:center;
    gap:15px;
    margin-top:25px;
}

button{
    background:#003366;
    color:white;
    border:none;
    padding:12px 22px;
    border-radius:6px;
    cursor:pointer;
    font-size:1rem;
}

button:hover{
    background:#005ea8;
}

button:disabled{
    background:#999;
    cursor:default;
}

.encadre{
    background:#fff8e6;
    border-left:5px solid #f0a500;
    padding:20px;
    margin-top:40px;
    border-radius:6px;
}

/* Fenêtre plein écran */

.modal{
    display:none;
    position:fixed;
    z-index:9999;
    left:0;
    top:0;
    width:100%;
    height:100%;
    background:rgba(0,0,0,.9);
}

.modal img{
    position:absolute;
    top:50%;
    left:50%;
    transform:translate(-50%,-50%);
    max-width:95%;
    max-height:95%;
}

.fermer{
    position:absolute;
    right:25px;
    top:10px;
    color:white;
    font-size:45px;
    cursor:pointer;
    font-weight:bold;
}