.course__container {
    padding: 1.5rem;
    margin-top: 4rem;
  
    background: var(--withe-bg-color);
    box-shadow: 0px 25px 32px 9px rgba(60, 85, 122, 0.06);
    border-radius: 32px;
  
    grid-template-columns: 1fr 1.7fr;
  }
  
  .course__title {
    font-size: 24px;
    text-align: right;
  }
  
  .course__info {
    grid-template-columns: 2fr 1fr;
    gap: 0.5rem;
    margin-top: 1.125rem;
    display: grid;
    text-align: center;
  }
  
  .course__info span {
    background: #e7ecee;
    border-radius: 8px;
    padding: 0.5rem;
    color: var(--title-color);
    font-size: 16px;
  }
  
  .session__list {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-height: 500px;
    overflow-y: scroll;
    padding: 0.2rem;
  
    direction: ltr;
  }
  
  .session__list .session {
    padding: 0.875rem;
    color: var(--title-color);
    font-size: 16px;
    border-radius: 8px;
  }
  
  .session__list .session:not(.active-session):hover {
    /* color: #fff; */
    background: #ffffff;
    box-shadow: 0px 4px 25px 17px rgba(57, 63, 71, 0.07);
    border-radius: 8px;
  }
  
  .session__list .active-session {
    background-color: var(--blue-color);
    color: #fff;
  }
  
  .more-item {
    text-align: center;
    margin-top: 0.5rem;
  }
  
  .more-item img {
    transition: 0.3s;
    cursor: pointer;
  }
  
  .more-item img:hover {
    transform: translateY(3px);
  }
  
  .session__list::-webkit-scrollbar {
    width: 0.3rem;
    background-color: var(--gray-color);
    border-radius: 0.5rem;
    transition: 0.3s;
  }
  .session__list::-webkit-scrollbar-thumb {
    background-color: var(--blue-color);
    border-radius: 0.5rem;
  }
  .session__list::-webkit-scrollbar-thumb:hover {
    background-color: var(--light-blue-color);
  }
  
  .session__demo__card {
    position: relative;
    border: 1px solid var(--blue-color);
    border-radius: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.5rem;
    height: 100%;
    height: 550px;
  }
  
  .demo__img {
    max-width: 550px;
    border-radius: 16px;
  }
  
  .play__video__box {
    position: absolute;
    background: rgba(255, 255, 255, 0.47);
    backdrop-filter: blur(4px);
    border-radius: 16px;
    padding: 4.625rem;
    cursor: pointer;
  }
  
  .play__video__box img {
    transition: 0.3s;
  }
  
  .play__video__box:hover img {
    transform: scale(1.1);
  }
  
  /* course info */
  .course__info__container {
    padding: 1.5rem;
    margin-top: 4.5rem;
    background: var(--withe-bg-color);
    box-shadow: 0px 25px 32px 9px rgba(60, 85, 122, 0.06);
    border-radius: 32px;
    grid-template-columns: 1fr 1fr;
  }
  
  .course__data {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  
  /* tab */
  .tablist {
    text-align: center;
  }
  .tab {
    padding: 0.5rem;
    padding-bottom: 0;
    margin-bottom: 1rem;
    /* border-radius: 0.5rem; */
    background-color: transparent;
    border: none;
    font-size: 16px;
    font-weight: 800;
    font-family: "Vazirmatn";
    position: relative;
  }
  /* .active-tab{
    border-bottom: 1px var(--blue-color) solid;
  } */
  .active-tab::after {
    content: "";
    position: absolute;
    bottom: -0.35rem;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 3rem;
    height: 1px;
    background-color: var(--blue-color);
  }
  
  .course__about {
    border: 1px solid var(--blue-color);
    border-radius: 8px;
    padding: 0.75rem;
    min-height: 170px;
    margin-bottom: 1rem;
  }
  
  .course__about__description::-webkit-scrollbar {
    width: 0.3rem;
    background-color: var(--gray-color);
    border-radius: 0.5rem;
    transition: 0.3s;
  }
  .course__about__description::-webkit-scrollbar-thumb {
    background-color: var(--blue-color);
    border-radius: 0.5rem;
  }
  .course__about__description::-webkit-scrollbar-thumb:hover {
    background-color: var(--light-blue-color);
  }
  
  .course__about__header {
    display: flex;
    justify-content: space-between;
  }
  
  .course__about__header h1 {
    font-size: 20px;
    line-height: 31px;
    text-align: right;
  }
  
  .course__about__description {
    font-size: 14px;
    /* line-height: 22px; */
    /* text-align: right; */
    color: var(--title-color);
    margin-top: 1.125rem;
  
    line-height: 19px;
    /* overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    line-clamp: 5;
    -webkit-box-orient: vertical; */
  
    max-height: 200px;
    overflow-y: scroll;
  }
  
  .course__pricing {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 20px;
    padding: 1.15rem 0.75rem;
    border: 1px solid var(--blue-color);
    border-radius: 8px;
    margin-bottom: 1rem;
  }
  
  .course__pricing h1 {
    font-weight: 700;
    font-size: 20px;
    line-height: 31px;
    text-align: right;
  }
  
  .course__price-off {
    font-weight: 400;
    line-height: 31px;
    text-align: right;
    text-decoration-line: line-through;
  
    color: #a9a9a9;
  }
  
  .course__btns {
    display: grid;
  }
  
  .course__btns.btn-blue,
  .course__btns.btn-dark {
    font-weight: bold;
  }

  .demo__box .course__title,
  .demo__box .course__info,
  .course__demo__box .course__title,
  .course__demo__box .course__info {
    display: none;
  }
  
  .r1_iframe_embed {
    width: 100%;
    height: 100%;
  }
  
  .r1_iframe_embed iframe {
    width: 100%;
    height: 100%;
    padding: 0.5rem;
  }
  
  @media screen and (max-width: 900px) {
    .course__container,
    .course__info__container {
      grid-template-columns: 1fr;
      gap: 1rem;
    }
  
    /* .session__demo__card {
      height: auto;
    } */
  
    .demo__box, .course__demo__box {
      order: -1;
      /* margin-bottom: 7rem; */
    }
  
    .course__data__box .course__title,
    .course__data__box .course__info,
    .course__data .course__title,
    .course__data .course__info {
      display: none;
    }
  
    .demo__box .course__title,
    .demo__box .course__info,
    .course__demo__box .course__title,
    .course__demo__box .course__info {
      display: grid;
    }
  
    .demo__box .course__info,
    .course__info__container .course__info {
      margin-bottom: 1.5rem;
    }
  
    .profile {
      margin-top: 2.1875rem;
    }
  
    .demo__img {
      width: 100%;
    }
  
    /* .r1_iframe_embed {
      width: auto !important;
      height: auto !important;
    }
    
    .r1_iframe_embed iframe {
      width: auto !important;
      height: auto !important;
      padding: 0.5rem;
    } */
  }
  
  @media screen and (max-width: 425px) {
    .play__video__box {
      padding: 2rem;
    }
  }