body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background: #f5f5f5;
}

h1,
h2 {
    color: #2c3e50;
    text-align: center;
}

dl {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

dt {
    font-weight: bold;
    color: #3498db;
    margin-top: 15px;
    font-size: 1.1em;
}

dd {
    margin: 5px 0 0 20px;
    color: #555;
    line-height: 1.5;
}

.emoji {
    font-size: 1.2em;
}

footer {
    background: #f5f5f5;
    padding: 40px 20px;
    margin-top: 30px;
    text-align: center;
}

footer blockquote {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1em;
    line-height: 1.6;
    color: #555;
    border-left: 4px solid #3498db;
    font-style: italic;
    position: relative;
}

footer blockquote::before {
    content: '"';
    font-size: 3em;
    color: #3498db;
    position: absolute;
    top: -10px;
    left: 15px;
    font-family: Georgia, serif;
    opacity: 0.3;
}

footer blockquote::after {
    content: '"';
    font-size: 3em;
    color: #3498db;
    position: absolute;
    bottom: -25px;
    right: 15px;
    font-family: Georgia, serif;
    opacity: 0.3;
}

/* Responsive */
@media (max-width: 768px) {
    footer {
        padding: 25px 15px;
    }

    footer blockquote {
        font-size: 1em;
        padding: 20px;
    }

    footer blockquote::before,
    footer blockquote::after {
        font-size: 2.5em;
    }
}

header {
    background: white;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 30px;
    position: sticky;
    top: 0;
    z-index: 100;
}

header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 30px;
}

header nav li {
    display: inline-block;
}

header nav a {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 600;
    font-size: 1.1em;
    padding: 12px 24px;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

header nav a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #3498db;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

header nav a:hover {
    color: #3498db;
    background: rgba(52, 152, 219, 0.1);
}

header nav a:hover::before {
    width: 80%;
}

header nav a:focus {
    outline: 2px solid #3498db;
    outline-offset: 2px;
}

/* Menu hamburger pour mobile */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5em;
    color: #2c3e50;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle:hover {
    color: #3498db;
}

/* Responsive */
@media (max-width: 768px) {
    header {
        padding: 15px;
        position: relative;
    }
    
    .menu-toggle {
        display: block;
        position: absolute;
        right: 15px;
        top: 50%;
        transform: translateY(-50%);
    }
    
    header nav ul {
        display: none;
        flex-direction: column;
        gap: 0;
        align-items: stretch;
        background: white;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        border-radius: 0 0 8px 8px;
    }
    
    header nav ul.active {
        display: flex;
    }
    
    header nav li {
        border-bottom: 1px solid rgba(52, 152, 219, 0.1);
    }
    
    header nav li:last-child {
        border-bottom: none;
    }
    
    header nav a {
        font-size: 1em;
        padding: 15px 20px;
        display: block;
        text-align: left;
        border-radius: 0;
    }
    
    header nav a::before {
        display: none;
    }
    
    header nav a:hover {
        background: rgba(52, 152, 219, 0.1);
        border-left: 3px solid #3498db;
    }
}