body {
    font-family: 'Open Sans', sans-serif;
    background-color: #f9f9f9;
}

.container {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin: 20px auto;
    max-width: 1200px;
}

.topic {
    background: linear-gradient(to right, #C49A6A, #A68B5D);
    color: #fff;
    padding: 20px 0;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

h2 {
    color: #ffffff;
    font-size: 28px;
    margin-bottom: 20px;
}

.content {
    margin-top: 40px;
    padding: 20px;
    border: 1px solid #C49A6A;
    border-radius: 8px;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.content p {
    margin-bottom: 15px;
    line-height: 1.6;
}

video {
    max-width: 80%;
    margin: 20px 0;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

footer {
    text-align: center;
    padding: 20px 0;
    background: #5B3A29;
    color: #fff;
    border-radius: 8px;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.video-container {
    display: grid;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.video h5 {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.8);
    padding-top: 50px;
    padding: 2%;
}

.modal-content {
    position: relative;
    margin: auto;
    padding: 3%;
    width: 100%;
    height: 100%;
}

.modal-content iframe {
    padding: 2%;
    width: 100%;
    height: 100%;
    border: none;
}

@media (max-width: 768px) {
    .container {
        padding: 20px;
    }

    video {
        width: 100%;
    }

    .video-container {
        grid-template-columns: 1fr;
    }
}