html, body {
    margin: 0;
    padding: 0;
    background: black;
    height: 100%;
    width: 100%;
}

.fullscreen {
    width: 100vw;
    height: 100vh;
    background: black;
    display: flex;
    flex-direction: column; /* Permet de placer un bouton en dessous */
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.logo {
    max-width: 100%;
    max-height: 80vh;
    width: auto;
    height: auto;
    display: block;
}

.btn-access {
    margin-top: 20px;
}
/* ==================== CARDS ==================== */
.dark-card {
    background: #1a1a1a !important;
    border: 1px solid #333 !important;
    border-radius: 10px;
    transition: 0.3s ease;
    color: #fff !important;
}

.dark-card:hover {
    transform: scale(1.03);
    box-shadow: 0 0 20px rgba(255,255,255,0.1);
}

.dark-card h5,
.dark-card p {
    color: #fff !important;
}

/* Liens sur cartes */
.card-link-dark {
    text-decoration: none;
    color: #fff !important;   /* force la couleur blanche */
}

.card-link-dark:hover {
    color: #fff !important;
}