.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.main-heading {
    color: #ff4500;
    font-size: 24px;
}

.section-heading {
    color: #ff4500;
    font-size: 20px;
}

.sub-text {
    font-size: 16px;
    line-height: 1.5;
}

.description {
    font-size: 16px;
    line-height: 1.5;
}

.purpose-list {
    font-size: 16px;
    line-height: 1.5;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

@media (max-width: 768px) {
    .content-wrapper {
        padding: 15px;
    }

    .main-heading {
        font-size: 20px;
    }

    .section-heading {
        font-size: 18px;
    }

    .sub-text,
    .description,
    .purpose-list {
        font-size: 14px;
    }
}