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

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(to right, #4CAF50, #2196F3);
    color: #333;
    line-height: 1.6;
}

.container {
    width: 80%;
    margin: 0 auto;
}

header {
    background: rgba(0, 0, 0, 0.6);
    padding: 40px 0;
    text-align: center;
    color: white;
    border-bottom: 4px solid #fff;
}

header h1 {
    font-size: 2.5em;
    letter-spacing: 2px;
}

main {
    padding: 40px 0;
}

.content {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 40px;
}

.main-content {
    width: 65%;
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.main-content h2 {
    font-size: 2em;
    margin-bottom: 20px;
    color: #333;
}

.main-content p {
    font-size: 1.1em;
    color: #666;
    line-height: 1.8;
}

.ad-container {
    width: 30%;
    background: #f7f7f7;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.ad-container h3 {
    font-size: 1.3em;
    color: #333;
    margin-bottom: 15px;
}

footer {
    background: rgba(0, 0, 0, 0.7);
    color: white;
    text-align: center;
    padding: 20px;
    position: relative;
}

footer p {
    font-size: 1em;
    margin: 0;
    opacity: 0.7;
}

@media (max-width: 768px) {
    .content {
        flex-direction: column;
        gap: 20px;
    }

    .main-content, .ad-container {
        width: 100%;
    }
}