/* ---------- Page d'accueil ---------- */

body {
    margin: 0;
    padding: 40px;
    background-color: #000;
    color: #eee;
    font-family: 'Segoe UI', Arial, sans-serif;
    box-sizing: border-box;
}

/* Image de fond optionnelle (voir index.php) : voile sombre par-dessus
   pour garder une bonne lisibilité quelle que soit l'image choisie. */
body.avec-fond {
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

body.avec-fond::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 0;
}

.contenu-accueil {
    position: relative;
    z-index: 1;
}

h1 {
    text-align: center;
    font-weight: 300;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.intro-accueil {
    max-width: 560px;
    margin: 0 auto 40px;
    text-align: center;
    color: #aaa;
    line-height: 1.6;
    font-size: 0.95em;
}

.liste-murs {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.carte-mur {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 220px;
    height: 140px;
    border-radius: 10px;
    color: #eee;
    text-decoration: none;
    font-size: 1.1em;
    letter-spacing: 0.5px;
    text-align: center;
    padding: 15px;
    box-sizing: border-box;
    transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
}

.carte-mur:hover {
    transform: translateY(-4px);
    filter: brightness(1.15);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.6);
}

.vide {
    color: #777;
    text-align: center;
}

.lien-admin {
    display: block;
    text-align: center;
    margin-top: 50px;
    color: #555;
    text-decoration: none;
    font-size: 0.8em;
}

.lien-admin:hover {
    color: #999;
}