* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.retour-wrapper {
    max-width: 800px;
    margin: 0 auto 20px auto;
    text-align: left;
}

.btn-retour {
    background: linear-gradient(135deg, #548d82, #238f79);
    color: white;
    padding: 8px 20px;
    text-decoration: none;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    display: inline-block;
    transition: background 0.3s ease, transform 0.2s ease;
}

.btn-retour:hover {
    background: linear-gradient(135deg, #16a085, #1abc9c);
    transform: scale(1.05);
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    background: linear-gradient(135deg, #2c3e50, #1a1a1a);
    min-height: 100vh;
    padding: 20px;
}

h1:first-of-type {
    color: #ecf0f1;
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
    margin: 15px 0;
    text-align: center;
    background-color: black;
    padding: 15px;
    border-radius: 10px;
    border: 1px solid #95a5a6;
    animation: fadeIn 0.8s ease-out;
}

h1:nth-of-type(2) {
    display: none;
}

img {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid #95a5a6;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    display: block;
    margin: 20px auto;
    transition: transform 0.3s ease;
}

img:hover {
    transform: scale(1.05) rotate(2deg);
    border-color: #7f8c8d;
}

p {
    background: #34495e;
    color: #ecf0f1;
    padding: 10px 15px;
    margin: 8px 0;
    border-radius: 8px;
    border-left: 3px solid #95a5a6;
    font-size: 1.1em;
    font-weight: 500;
    box-shadow: 0 3px 10px rgba(0,0,0,0.3);
    transition: transform 0.2s ease;
}

p:hover {
    transform: translateX(5px);
    border-left-color: #7f8c8d;
}

h3 {
    color: #ffffff;
    font-size: 1.8em;
    margin: 30px 0 20px 0;
    text-align: center;
    text-shadow: 1px 1px 2px rgba(78, 10, 10, 0.7);
}

ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin: 20px 0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

li {
    background: linear-gradient(135deg, #2167ad, #604d8d);
    padding: 8px 12px;
    border-radius: 15px;
    color: #ecf0f1;
    text-align: center;
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    transition: transform 0.2s ease;
    font-size: 0.9em;
    min-width: 120px;
}

li:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.4);
    border-color: #7f8c8d;
}

body > * {
    max-width: 800px;
    margin: 0 auto;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2em;
        padding: 15px;
    }
    
    img {
        width: 250px;
        height: 250px;
    }
    
    ul {
        grid-template-columns: 1fr;
    }
    
    p {
        font-size: 1.1em;
    }
}