.head_about {
  display: flex;
}

.row {
  padding: 0;
  margin: 0;
}

.col-left {
  float: left;
  padding: 0;
}

.col-right {
  float: left;
  padding: 0;
}

.active_link_router {
  color: #f5f5f5 !important;
  cursor: default;
  opacity: 0.5;
}

.left_top ul li:hover,
.left_top ul li a:active,
.left_top ul li a.active_link_router:hover {
  color: var(--white-color) !important;
}

/**** /.container ****/
.left_top {
  background: #353535;
  position: relative;
  justify-content: center;
  display: flex;
  height: 325px;
}

.right_top {
  height: 100%;
}

.aboutusImage1 {
  height: 100%;
}

.right_top img {
  padding: 0;
  display: block;
  max-width: 100%;
  height: 100%;
}

.left_top ul {
  line-height: 40px;
  padding: 50px 0 0 0;
}

.left_top ul li {
    color: var(--white-color);
    font-family: var(--font-regular);
    font-size: 15px;
    align-items: center;
    list-style-type: square !important;
    border-bottom: 1px solid #535353;
}

.left_top ul li a {
    color: var(--white-color);
    font-family: var(--font-regular);
    font-size: 15px;
    align-items: center;
    list-style-type: square !important;
}

.left_top ul li:last-child {
  border-bottom: none;
}

.left_top ul li:hover,
.left_top ul li a:active,
.left_top ul li a:hover {
  color: #eea501;
}

.about_us {
  font-family: var(--font-regular), sans-serif;
  font-size: 15px;
}

.about_us_title-h3 {
  position: relative;
  font-size: 40px;
  text-transform: uppercase;
}

.about_us_social {
  width: 100%;
  display: flex;
  justify-content: center;
}

.about_us_social p {
  font-family: var(--font-regular);
  font-size: 15px;
  text-align: justify;
  width: 100%;
}

/*** .about_us_title ***/
.about_us_title {
  padding: 30px 0 30px 0;
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  align-content: center;
  text-align: center;
  overflow: hidden;
}

.about_us_title-h1 {
  position: relative;
  font-size: 40px;
  text-transform: uppercase;
}

.about_us_title-h1::before {
  content: "";
  width: 100px;
  height: 1px;
  top: 50%;
  left: -120px;
  background: var(--black-color);
  position: absolute;
}

.about_us_title-h1::after {
  content: "";
  width: 100px;
  height: 1px;
  top: 50%;
  right: -120px;
  background: var(--black-color);
  position: absolute;
}


/*** /.about_us_title ***/
/*** .about_us_content ***/
.about_us_content {
  padding: 0;
}

.about_us_content-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-content: center;
  padding: 0px 20px;
}

.about_us_content-left-p {
  line-height: 1.8;
  margin-bottom: 30px;
  text-align: justify;
}

.about_us_content-right-row {
  /* height: 160px; */
  overflow: hidden;
  margin: 0 0 10px 0;
  padding: 0;
}

.about_us_content-right-img-1 {
  /* width: calc(60% - 5px); */
  margin-right: 5px;
  /* background: url('https://theodorealexander.com/assets/img/AboutUs/AboutUs_1.jpg') no-repeat; */
  background-size: cover;
  background-position: center;
}

.about_us_content-right-img-2 {
  /* width: calc(40% - 5px); */
  margin-left: 5px;
  /* background: url('https://theodorealexander.com/assets/img/AboutUs/AboutUs_2.jpg') no-repeat; */
  background-size: cover;
  background-position: center;
}

.about_us_content-right-img-3 {
  /* width: calc(40% - 5px); */
  margin-right: 5px;
  /* background: url('https://theodorealexander.com/assets/img/AboutUs/AboutUs_3.jpg') no-repeat; */
  background-size: cover;
}

.about_us_content-right-img-4 {
  /* width: calc(60% - 5px); */
  margin-left: 5px;
  /* background: url('https://theodorealexander.com/assets/img/AboutUs/AboutUs_4.jpg') no-repeat; */
  background-size: cover;
  background-position: center;
}

/**** /.about_us_content ****/
/**** .ta_brief ****/
.ta_brief {
  background: #fafafa;
  padding-bottom: 60px;
  font-family: var(--font-regular), sans-serif;
  font-size: 15px;
}

.ta_brief_header {
  padding: 50px 0;
}

.ta_brief_header-h1 {
  font-size: 32px;
  text-transform: uppercase;
  text-align: center;
}

.ta_brief_left-wrapper {
  margin: 15px -15px 0 0;
}

.ta_brief_left-img {
  padding: 0 20px 20px 0;
  width: 100%;
}

.ta_brief_right-ul {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-content: start;
  align-items: flex-start;
  flex-wrap: wrap;

}

.ta_brief_right-ul ul {
  padding-left: 15px;
}

.ta_brief_right-ul li {
  list-style: square !important;
}

.ta_brief_right-li {
  position: relative;
  text-indent: 7px;
  padding: 10px 0;
  align-items: baseline;
  margin-left: 15px
}

/**** /.ta_brief ****/
.format_section1 {
  position: relative;
}

.feature__block--wide {
  position: absolute;
  width: 100%;
  height: 80%;
  bottom: 0;
  left: 0;
  right: 0;
}

.left_item {
  position: relative;
}

.close_video {
  text-align: right;
  padding-right: 6px;
  width: 100%;
  position: absolute;
  color: var(--white-color);
  font-weight: 700;
  font-size: 20px;
  cursor: pointer;
  z-index: 9;
}

.about_us_content-right-img_backdrop {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
}

.about_us_content-right-img_btn_backdrop {
  width: 100%;
  display: flex;
  justify-content: center;
}

.about_us_content-right-img_backdrop:hover .about_us_content-right-img_btn {
  visibility: visible;
}

.link_active {
  color: #f5f5f5 !important;
  cursor: default;
  opacity: .5;
}

.about_us_content-right-img_btn {
  visibility: hidden;
  border-radius: 20px;
  transition: all;
}

.about_us_content-right {
  padding: 0px;
}

.bg-video-ta {
  background-color: var(--black-color);
  height: 100%;
  position: relative;
}

.modal-content {
  position: relative;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: column;
  flex-direction: column;
  width: 100%;
  background-clip: padding-box;
  border: none;
  outline: none;
  border-radius: 0;
}

.main_popup_brand {
  -ms-flex-pack: center;
  justify-content: center;
  display: -ms-flexbox;
  display: flex;
  justify-content: center;
  align-items: center;
  height: inherit;
}

.video-container {
  overflow: hidden;
  position: relative;
  width: 100%;
}

.video-container::after {
  padding-top: 70%;
  display: block;
  content: '';
}

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

.about_us_philosophy {
    font-family: var(--font-regular);
    font-size: 15px;
    line-height: 2.5;
}

.social {
    font-size: 15px;
    font-family: var(--font-regular);
    line-height: 30px;
    text-align: justify;
}

.about_us_social p {
  line-height: 30px;
}

.left_content {
  padding-top: 20px !important;
}

.left_content ul li {
  list-style: square !important;
}

.left_content ul {
  padding: 0 0 0 20px;
}

.social-row-reverse img {
  width: 100%;
}

.right_content_social_2 {
    padding-top: 20px !important;
    font-family: var(--font-regular);
    font-size: 15px;
}

    .right_content_social_2 p {
        line-height: 30px;
        font-family: var(--font-regular);
    }

.bg_content_environment {
  background: url('https://theodorealexander.sirv.com/website/Frontend/Live/assests/social-environmental.jpg') no-repeat;
  max-width: 1200px;
  height: 839px;
  background-position: center center;
}

.title_social {
  font-size: 25px;
  font-family: var(--font-regular);
  text-transform: uppercase;
  /* padding: 0 0 15px; */
  margin-top: 10px;
}

.item_content {
  /* border: 1px solid #e7e7e7; */
  padding: 0;
}

.item_content .image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.item_content img {
  padding: 30px 0;
  max-width: 100%;
}

.item_content span {
  text-align: center;
  padding: 0px 0 15px 0;
  display: block;
}

.card {
  border: none;
}

.item_craftsmanship {
  text-align: center;
  display: block;
  position: relative;
}

.item_craftsmanship img {
  max-width: 100%;
}

.item_craftsmanship p {
  line-height: 30px;
}

.item_craft {
  padding: 10px !important;
}

.caption_video {
  text-align: center;
  font-family: "HurmeGeometricSans1-Regular";
  display: block;
  padding: 20px 0 0 0;
  font-size: 15px;
}

.about_us_title_crafmanship {
  padding: 30px 0 30px 0;
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  align-content: center;
  text-align: center;
  overflow: hidden;
}

.about_us_title_crafmanship-h1 {
  position: relative;
  font-size: 40px;
  text-transform: uppercase;
  padding: 0 15px;
}

.about_us_title_crafmanship-h1::before {
  content: "";
  width: 100px;
  height: 1px;
  top: 50%;
  left: -120px;
  background: black;
  position: absolute;
}

.about_us_title_crafmanship-h1::after {
  content: "";
  width: 100px;
  height: 1px;
  top: 50%;
  right: -120px;
  background: black;
  position: absolute;
}

.video_craft {
  width: 100%;
}

.video_item {
  margin-bottom: 20px;
  margin-right: 0 !important;
}

.title_content_photography {
  font-family: "HurmeGeometricSans1-Regular";
  font-size: 20px;
  text-transform: uppercase;
}


.overlay {
  position: absolute;
  bottom: 0;
  background: -moz-linear-gradient(270deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 1) 100%);
  /* ff3.6+ */
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, rgba(0, 0, 0, 0)), color-stop(100%, rgba(0, 0, 0, 1)));
  /* safari4+,chrome */
  background: -webkit-linear-gradient(270deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 1) 100%);
  /* safari5.1+,chrome10+ */
  background: -o-linear-gradient(270deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 1) 100%);
  /* opera 11.10+ */
  background: -ms-linear-gradient(270deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 1) 100%);
  /* ie10+ */
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 1) 100%);
  /* w3c */
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#000000', endColorstr='#000000', GradientType=0);
  /* ie6-9 */
  opacity: 0.82;
  color: #f1f1f1;
  width: 100%;
  transition: .5s ease;
  opacity: 0;
  color: white;
  font-size: 15px;
  padding: 15px;
  text-align: center;
  font-family: "HurmeGeometricSans1-Light";
  bottom: 0;
}

.overlay {
    margin-right: 0;
    width: 86.5%;
    margin-bottom: 0;
    padding: 0 10px;
    opacity: 1;
}

.pic_item {
  margin-right: 0;
  padding-right: 10px;
  margin-bottom: 5%;
  height: auto !important;
  max-height: 370px;
  position: relative;
  float: left;
}

.video_item:last-child {
  margin-right: 0;
}

@media (min-width: 767.98px) and (max-width: 991.98px) {
  .left_top ul {
    padding: 25px;
  }

}

@media (min-width: 992px) {
  .main_environmental {
    padding: 50px 0 0 0;
  }

  .main_environmental ul {
    padding: 0 0 0 20px;
  }

  .main_environmental ul li {
    font-family: var(--font-regular);
    font-size: 15px;
    line-height: 45px;
    list-style: square !important;
    text-align: justify;
  }

  .bg_content_environment {
    background: url('https://theodorealexander.sirv.com/website/Frontend/Live/assests/social-environment_2.jpg') no-repeat;
    width: 100%;
    height: 100%;
    padding-right: 20px;
    background-position: center center;
  }

  .ta_brief_right-ul {
    margin-left: 30px;
  }

  .ta_brief {
    margin-top: 60px;
  }

  /* .about_us_content-left {
    padding-right: 10px;
  }

  .about_us_content-right {
    padding-left: 10px;
  } */

  .about_us_social p {
    font-family: var(--font-regular);
    font-size: 15px;
    text-align: center;
    width: 80%;
  }

  .ta_brief_header {
    padding: 30px 0;
  }

  .about_us_content-right-row {
    /* height: 300px; */
  }

  .about_us {
    margin: 0;
  }

  .right_top img {
    display: block;
    max-width: 100% !important;
    height: 300px;
  }

  .left_top {
    justify-content: flex-start;
    padding-left: 50px;
  }

  .left_top ul {
    padding: 30px 0 30px 0;
  }

  .about_us_title {
    padding: 30px 0 20px 0;
  }

  .about_us_content {
    padding: 0;
  }

  .about_us_content-left {
    /* justify-content: flex-start; */
  }

  .about_us_content-left-p {
    text-align: justify;
    text-align-last: left;
    margin-bottom: 10px;
    font-size: 18px;
  }

  .ta_brief-wrapper {
    margin: 0;
  }

  .ta_brief_right {
    padding-left: 15px;
    align-items: center;
    display: flex;
    justify-content: center;
  }

  .ta_brief_right-ul {
    align-content: flex-start;
    flex-wrap: nowrap;
    padding-left: 0px;
    margin-left: 0px;
    line-height: 2;
  }

  .feature__block--wide {
    width: 90%;
  }

  .about_us_social p {
    width: 100%;
    text-align: justify;
  }

  .about_us_title-h3 {
    padding: 0px 5px;
    font-size: 35px;
  }

  .social-row-reverse {
    display: flex;
    flex-direction: row-reverse;
    margin: 0;
    padding-top: 50px;
  }

  .social img {
    max-width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .left_content {
    padding-top: 50px !important;
    padding-right: 20px !important;
  }


}

@media (min-width: 1198.99px) {
  .right_content_social_2 {
    padding-left: 20px !important;
  }
}

.about_us_content-right-row.equal {
  display: flex;
  width: 100%;
}

.video-pause-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  box-sizing: content-box;
  display: block;
  width: 32px;
  height: 44px;
  /* background: #eb2055; */
  border-radius: 50%;
  padding: 18px 20px 18px 28px;
  cursor: pointer;
}

.video-play-button {
  position: absolute;
  z-index: 10;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  box-sizing: content-box;
  display: block;
  width: 32px;
  height: 44px;
  /* background: #eb2055; */
  border-radius: 50%;
  padding: 18px 20px 18px 28px;
  cursor: pointer;
}

.video-play-button:before,
.video-pause-button:before {
  content: "";
  position: absolute;
  z-index: 0;
  left: 50%;
  top: 50%;
  transform: translateX(-50%) translateY(-50%);
  display: block;
  width: 55px;
  height: 55px;
  background: #838080;
  border-radius: 50%;
  animation: pulse-border 1100ms ease-out infinite;
}

.video-play-button:after,
.video-pause-button:after {
  content: "";
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 50%;
  transform: translateX(-50%) translateY(-50%);
  display: block;
  width: 60px;
  height: 60px;
  background: #373334;
  border-radius: 50%;
  transition: all 200ms;
}

.video-play-button span {
  display: block;
  position: relative;
  z-index: 3;
  width: 0;
  height: 0;
  border-left: 19px solid #fff;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  top: 10px;
  left: 5px;
}

.video-pause-button span {
  display: block;
  position: relative;
  z-index: 3;
  width: 15px;
  /* Tổng chiều rộng của biểu tượng Pause */
  height: 24px;
  /* Chiều cao của biểu tượng Pause */
  background: transparent;
  top: 10px;
  left: 5px;
}

/* Tạo 2 thanh dọc song song */
.video-pause-button span::before,
.video-pause-button span::after {
  content: "";
  position: absolute;
  top: 0;
  width: 6px;
  /* Chiều rộng mỗi thanh */
  height: 100%;
  /* Chiều cao bằng span cha */
  background-color: #fff;
  /* Màu của thanh Pause */
  border-radius: 2px;
  /* Bo tròn nhẹ */
}

.video-pause-button span::before {
  left: 0;
}

.video-pause-button span::after {
  right: 0;
}

@keyframes pulse-border {
  0% {
    transform: translateX(-50%) translateY(-50%) translateZ(0) scale(1);
    opacity: 1;
  }

  100% {
    transform: translateX(-50%) translateY(-50%) translateZ(0) scale(1.5);
    opacity: 0;
  }
}

.aboutvideo {
  width: 400px !important;
  height: 400px !important;
}


.bookshelf {
    /*  display: grid;
  grid-template-rows: repeat(2, 1fr);
  row-gap: 5px;
  padding: 5px;*/
    position: relative;
    width: 95%;
    padding: 20px;
}

/* Các dòng trong tủ sách */
.shelf-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 5px;
  align-items: center;
  position: relative;
}

/* Item video */
.video-item {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

/* Video bên trong */
.video-content {
  width: 100%;
  height: auto;
  border-radius: 5px;
  /* Bo góc nhẹ cho video */
  object-fit: cover;
  will-change: transform;
  transition: transform 0.3s ease;
  transform: scale(1.1);
  /* Hiệu ứng khi hover */
}

/* Hiệu ứng hover */
.video-item:hover .video-content {
  transform: scale(1.05);
  /* Phóng to video khi hover */
}

/* Bóng cho các dòng tủ */
.shelf-row::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 100%;
  height: 10px;
  border-radius: 50%;
  z-index: -1;
}

.bookshelf:hover .video-pause-button {
  display: block !important;
}

.video-pause-button {
  display: none;
}

.about_us_content-right {
  display: flex;
  align-items: center;
  justify-content: center;
}