/* Styles généraux */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 20px 0;
}

h1 {
    margin: 0;
    font-size: 2.5em;
}

p {
    margin: 0;
    font-size: 1.2em;
}

main {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    padding: 20px;
}

.chapter-section {
    width: 45%;
    margin: 20px 0;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.chapter-section img {
    width: 100%;
    height: auto;
    transition: transform 0.3s ease;
}

.chapter-section:hover img {
    transform: scale(1.1);
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.chapter-section:hover .overlay {
    opacity: 1;
}

.overlay h2 {
    margin: 0;
    font-size: 1.8em;
}

.overlay p {
    margin: 10px 0;
    font-size: 1.2em;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}