body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(to bottom, #0f2027, #203a43, #2c5364);
    color: white;
}

.hero {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(4px) brightness(0.6);
}

.hero .overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hero h1 {
    font-size: 48px;
    text-align: center;
}

.container {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 50px;
    flex-wrap: wrap;
}

.card-link {
    width: 250px;
    padding: 30px;
    border-radius: 20px;
    text-decoration: none;
    color: white;
    text-align: center;
    transition: 0.3s;
    backdrop-filter: blur(10px);
}


.card-link i {
    font-size: 40px;
    margin-bottom: 10px;
}

.card-link h2 {
    margin: 10px 0;
}

.card-link:hover {
    transform: translateY(-10px) scale(1.05);
}

.forum {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.chat {
    background: linear-gradient(135deg, #43cea2, #185a9d);
}

.avis {
    background: linear-gradient(135deg, #f7971e, #ffd200);
    color: black;
}

.card-link p {
    font-size: 14px;
    opacity: 0.8;
}

/* BOUTON RETOUR */
.btn-retour {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 10px 15px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: bold;
    z-index: 10;
    transition: 0.2s;
}

.btn-retour:hover {
    background: rgba(0, 0, 0, 0.85);
    transform: scale(1.05);
}