body {
    margin: 0;
    height: 100vh;
    background: linear-gradient(-45deg, #0f0c29, #302b63, #24243e, #1a1a1a);
    background-size: 400% 400%;
    animation: neonFlow 20s ease infinite;
    font-family: 'Orbitron', sans-serif;
    color: white;
    overflow-x: hidden;
}

@keyframes neonFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Effet lumineux */
body::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: radial-gradient(circle, rgba(0,255,255,0.08) 0%, transparent 70%);
    pointer-events: none;
    mix-blend-mode: screen;
}

/* Bannière header */
.banner {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 50px;
    padding: 0px 20px;
    background-color: rgba(0, 0, 0, 0.6);
    border-bottom: 2px solid #00ffff;
    box-shadow: 0 0 20px #00ffff80;
}

h1 {
    font-size: 3.5rem;
    margin: 0;
    padding-top: 10px;
    padding-bottom: 10px;
    text-shadow: 0 0 8px #00f0ff;
}

.mentions-legales {
    max-width: 900px;
    margin: 60px auto;
    background-color: rgba(0, 0, 0, 0.6);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 0 15px #00ffff40;
    color: #ddd;
    line-height: 1.7;
}

.mentions-legales h2 {
    color: #00f0ff;
    margin-top: 30px;
    text-shadow: 0 0 5px #00ffff;
}

.mentions-legales a {
    color: #00ffff;
    text-decoration: underline;
}

.retour-accueil {
    text-align: center;
    margin-top: 40px;
}

.btn-retour {
    display: inline-block;
    padding: 10px 20px;
    background: linear-gradient(135deg, #00f0ff, #006eff);
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    box-shadow: 0 0 12px #00ffff80;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-retour:hover {
    transform: scale(1.05);
    box-shadow: 0 0 18px #00ffff, 0 0 5px #00f0ff inset;
}

.footer {
    background-color: rgba(0, 0, 0, 0.7);
    padding: 20px 0;
    text-align: center;
    border-top: 2px solid #00ffff;
    box-shadow: 0 -0.5px 20px #00ffff40 inset;
    margin-top: 80px;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
    color: #ccc;
    font-size: 0.95rem;
}

.footer-content p {
    margin: 8px 0;
    text-shadow: 0 0 4px #00f0ff80;
}

.footer .designer {
    color: #00ffff;
    font-weight: bold;
    text-shadow: 0 0 5px #00ffff;
}