.about {
    margin-bottom: 30px;
}
.aboutContent {
    display: flex;
    flex-direction: column;
    gap: 30px;
    background-color: #fff;
    border-radius: 25px 25px 0 0;
    padding: 22px 50px;
    margin-bottom: 20px;
}
.aboutSpan {
    width: max-content;
    background: #00b1290f;
    border-radius: 55px;
    padding: 7px 15px;
    font-size: 12px;
}
.iframeWrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    border-radius: 10px;
    overflow: hidden;
    max-height: 400px;
    z-index: 0;
}

.iframeWrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 10px;
}

.iframeWrapper::after {
    content: '';
    position: absolute;
    pointer-events: none;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.6) 0%,
        rgba(0, 0, 0, 0.3) 20%,
        rgba(0, 0, 0, 0) 40%,
        rgba(0, 0, 0, 0) 60%,
        rgba(0, 0, 0, 0.4) 80%,
        rgba(0, 0, 0, 0.7) 100%
    );
    border-radius: 10px;
}
.videoCard {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;

    color: #fff;
    padding: 10px 12px;
    box-sizing: border-box;
    z-index: 2;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
}

.videoTitle {
    text-decoration: none;
    color: #fff;
    font-size: 16px;
    font-weight: bold;
}

.videoTitle:hover {
    color: #ccc;
}

.videoAuthor {
    font-size: 14px;
    color: #ddd;
    margin-top: 4px;
}
.aboutVideoList {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 50px 30px;
}
.aboutVideoList:not(:has(> :nth-child(4))) {
    grid-template-columns: repeat(auto-fit, 1fr);
    justify-content: start;
}
.aboutVideo {
    display: flex;
    flex-direction: column;
    gap: 30px;
}
.aboutVideoBtn {
    width: max-content;
}
.aboutVideoContent {
    display: grid;
    grid-template-columns: 1fr 600px;
    gap: 40px;
    margin-bottom: 25px;
}
.banner {
    padding: 25px;
    flex-direction: column;
    align-items: flex-start !important;
}
.bannerBtns {
    display: contents;
    flex-direction: column;
    gap: 20px !important;
    width: max-content;
}
.expertsList {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.aboutVideoMore {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.expertsTitle {
    font-size: 20px;
    font-weight: 500;
}
.experts {
    display: flex;
    flex-direction: column;
    gap: 50px;
    padding: 20px;
    background-color: #fff;
}
/* info */
.calculate {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-bottom: 30px;
}
.note {
    font-size: clamp(10px, 3vw, 12px);
    color: #00000099;
}
.iframeWrapper[data-playing='true']::after {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.iframeWrapper[data-playing='true'] .videoCard {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
@media (max-width: 1024px) {
    .aboutVideoContent {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .aboutVideoList {
        gap: 20px;
    }
    .aboutContent {
        margin-bottom: 10px;
    }
    .calculate {
        gap: 11px;
    }
}
@media (max-width: 768px) {
    .aboutContent {
        padding: 20px;
    }
    .aboutVideoList {
        grid-template-columns: 1fr;
    }
}