/* Menu */


.landing_page {
  transition: opacity 2000ms ease-out;
  background: #fff;
  color: #000;
  padding-bottom: 50px;
}

.landing_page.hidden {
  pointer-events: none;
  opacity: 0;
}

.landing_page a {
  text-underline-position: under;
}

.landing_page .content_top {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin-top: 50px;
  width: 80%;
  user-select: none;
  color: #fff;
}

@media (max-width: 1400px) {
  .landing_page .content_top {
    width: 90%;
  }
}

.landing_page .epfl_em_logo {
  position: absolute;
  top: 40px;
  left: 10%;
  width: 350px;
  height: 70px; 
}

@media (max-width: 1400px) {
    .landing_page .epfl_em_logo {
      left: 5%;
    }
}

@media (max-width: 700px) {
    .landing_page .epfl_em_logo {
      width: 250px;
      height: 50px; 
    }
}

.landing_page .title_cont {
  display: block;
  position: relative;
}

.landing_page .title {
  font-weight: 700;
  font-size: 9.5vw;
  white-space: nowrap;
  letter-spacing: 1.01px;
  font-family: "Libre Baskerville";
  margin: 0;
}

.landing_page .title .first_line {
  display: block;
}

.landing_page .title .second_line {
  display: block;
  text-align: right;
}

.landing_page .secondary_title {
  position: absolute;
  bottom: 10%;
  left: 0;
  margin: 0;
  font-size: 1.6vw;
  font-weight: 400;
  letter-spacing: 1.01px;
  font-family: "Libre Baskerville";
  line-height: 1.8vw;
}

@media (max-width: 1400px) {
  .landing_page .secondary_title {
    position: static;
    font-size: 22px;
    line-height: 24px;
  }
}

@media (max-width: 700px) {
  .landing_page .secondary_title {
    position: static;
    font-size: 18px;
    line-height: 20px;
    margin-top: 20px;
  }
}


.landing_page .secondary_title .first_line {
  display: block;
  margin-left: 8.5vw;
}

.landing_page .secondary_title .second_line {
  display: block;
  margin-left: 7.5vw;
  font-weight: 700;
}

.landing_page .secondary_title .third_line {
  display: block;
  margin-left: 8.5vw;
  font-weight: 700;
}

@media (max-width: 1400px) {
  .landing_page .secondary_title .first_line {
    margin-left: 150px;
  }

  .landing_page .secondary_title .second_line {
    margin-left: 110px;
  }

  .landing_page .secondary_title .third_line {
    margin-left: 150px;
  }
}

@media (max-width: 700px) {
  .landing_page .secondary_title .first_line {
    margin-left: 60px;
  }

  .landing_page .secondary_title .second_line {
    margin-left: 40px;
  }

  .landing_page .secondary_title .third_line {
    margin-left: 60px;
  }
}


.landing_page .language_icon {
  position: absolute;
  top: 40px;
  right: 10%;
  font-size: 16px;
  color: #000;
  background: #fff;
  padding: 7px 15px;
  border-radius: 20px;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
}

.landing_page .lang_icon {
  width: 16px;
  height: 16px;
}

.landing_page .lang_short {
  display: none;
}

@media (max-width: 1400px) {
  .landing_page .language_icon {
    right: 5%;
  }
}

@media (max-width: 700px) {
  .landing_page .lang_long {
    display: none;
  }

  .landing_page .lang_short {
    display: inline;
  }
}

.landing_page .sound_button {
  position: absolute;
  top: 92px;
  right: 10%;
  width: 38px;
  height: 38px;
  background: url('/static/images/sound_icon.svg') center/contain no-repeat;
  cursor: pointer;
}

@media (max-width: 1400px) {
  .landing_page .sound_button {
    right: 5%;
  }
}

.landing_page .audio_guide_button {
  display: block;
  position: absolute;
  top: 145px;
  right: 10%;
  width: 35px;
  height: 35px;
  border-radius: 40px;
  background: #fff url('/static/images/audio_guide_icon_inverse.svg') center/contain no-repeat;
  background-size: 33px 25.5px;
  cursor: pointer;
}

@media (max-width: 1400px) {
  .landing_page .audio_guide_button {
    right: 5%;
  }
}


.landing_page .top_buttons {
  margin-top: 150px;
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  align-items: center;
}

@media (max-width: 700px) {
  .landing_page .top_buttons {
    margin-top: 50px;
    flex-direction: column;
    align-items: stretch;
  }
}

.landing_page .button_base {
  display: inline-flex;
  align-items: center;
  gap: 15px;
  vertical-align: middle;
  font-weight: 400;
  color: #fff;
  background: #000;
  padding: 15px 20px 16px;
  border-radius: 40px;
  font-size: 16px;
  text-decoration: none;
}

@media (max-width: 700px) {
  .landing_page .button_base {
    display: flex;
    justify-content: center;
  }
}

.landing_page .top_buttons .button_top_scholarly {
  margin-left: auto;
}

.landing_page .button_top_scholarly_mobile {
  display: none;
}

@media (max-width: 1400px) {
  .landing_page .top_buttons .button_top_scholarly {
    display: none;
  }
  .landing_page .button_top_scholarly_mobile {
    display: inline-flex;
  }
}

.landing_page .button_white {
  color: #000;
  background: #fff;
}

.landing_page .button_exhibition {
  color: #000;
  background: #fff;
  border: 1px solid #000;
}

.landing_page .button_clear {
  background: none;
  color: #000;
}

.landing_page .button_icon {
  display: block;
  width: 16px;
  height: 16px;
}

.landing_page .landing_content {
  position: relative;
  z-index: 1;
}

.landing_page .landing_menu {
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s ease;
  position: sticky;
  top: 0;
  z-index: 10;
  background: #fff;
  display: flex;
  align-items: center;
  gap: 30px;
  box-sizing: border-box;
  width: 100%;
  height: 80px;
  padding: 0 10%;
  border-bottom: 1px solid #ddd;
}

@media (max-width: 1400px) {
  .landing_page .landing_menu {
    padding: 0 5%;
  }
}

.landing_page .landing_menu.show {
  visibility: visible;
  opacity: 1;
}

.landing_page .menu_wrap_left {
  display: flex;
  gap: 40px;
  row-gap: 20px;
}

@media (max-width: 1250px) {
  .landing_page .landing_menu {
    height: auto;
    padding: 20px 5%;
  }
  .landing_page .menu_wrap_left {
    flex-wrap: wrap;
    width: 50%;
  }
}

@media (max-width: 700px) {
  .landing_page .landing_menu {
    display: none;
  }
}

.landing_page .menu_item {
  color: #666666;
  cursor: pointer;
  text-decoration: none;
  font-size: 17px;
}

.landing_page .menu_item:hover {
  text-decoration: underline;
}

.landing_page .menu_item.active {
  color: #000000;
  text-decoration: underline;
}

.landing_page .menu_right_button {
  margin-left: auto;
  padding: 10px 30px 11px;
}



.landing_page .landing_section {
  width: 80%;
  margin: 0 10%;
  overflow: auto;
}

@media (max-width: 1400px) {
  .landing_page .landing_section {
    width: 90%;
    margin: 0 5%;  
  }
}

.landing_page .landing_section_pad_top {
  padding-top: 150px;
}

@media (max-width: 700px) {
  .landing_page .landing_section_pad_top {
    padding-top: 100px;
  }
}

.landing_page .landing_section_pad_top_large {
  padding-top: 200px;
}

@media (max-width: 700px) {
  .landing_page .landing_section_pad_top_large {
    padding-top: 100px;
  }
}

.landing_page .button_pad_top {
  margin-top: 50px;
}

.landing_page .landing_title {
  font-family: "Libre Baskerville";
  font-size: 90px;
  font-weight: 400;
  margin-bottom: 0;
}

.landing_page .landing_title .first_line {
  display: block;
}

.landing_page .landing_title .second_line {
  display: block;
  margin-left: 200px;
}

.landing_page .landing_sub_title {
  color: #666666;
  text-transform: uppercase;
  font-size: 12px;
  line-height: 1.8em;
  margin-top: -62px;
}

@media (max-width: 1400px) {
  .landing_page .landing_title {
    font-size: 70px;
  }
  .landing_page .landing_title .second_line {
    margin-left: 150px;
  }
  .landing_page .landing_sub_title {
  
  }
}

@media (max-width: 700px) {
  .landing_page .landing_title {
    font-size: 40px;
  }
  .landing_page .landing_title .second_line {
    margin-left: 0;
  }
  .landing_page .landing_sub_title {
    margin-top: 20px;
  }
}



.landing_page .landing_row {
  display: flex;
  align-items: flex-start;
  gap: 20%;
  margin-top: 30px;
}

.landing_page .landing_col {
  flex: 1;
}

@media (max-width: 700px) {
  .landing_page .landing_row {
    flex-direction: column;
    gap: 40px;
  }
}

.landing_page .landing_image {
  width: 100%;
  height: auto;
}

.landing_page .landing_row_reverse {
  flex-direction: row-reverse;
}

@media (max-width: 700px) {
  .landing_page .landing_row_reverse {
    flex-direction: column;
  }
}

.landing_page .landing_heading {
  font-family: "Libre Baskerville";
  font-size: 50px;
  font-weight: 400;
}

@media (max-width: 1400px) {
  .landing_page .landing_heading {
    font-size: 40px;
  }
}

@media (max-width: 700px) {
  .landing_page .landing_heading {
    font-size: 30px;
  }
}

.landing_page .landing_heading_small {
  font-size: 18px;
  font-weight: 700;
}

.landing_page .landing_caption {
  color: #666666;
  font-style: italic;
  font-size: 15px;
  line-height: 1.4em;
  max-width: 50%;
}

@media (max-width: 700px) {
  .landing_page .landing_caption {
    max-width: 80%;
  }
}

.landing_page .landing_caption_about_cont {
  display: flex;
  justify-content: flex-end;
}

@media (max-width: 700px) {
  .landing_page .landing_caption_about_cont {
    display: block;
    margin-left: 5%;
  }
}

.landing_page .landing_caption_about {
  margin-right: 10%;
  margin-top: 20px;
}

@media (max-width: 1400px) {
  .landing_page .landing_caption_about {
    margin-right: 5%;
  }
}

.landing_page .landing_caption_full_width {
  width: 30%
}

@media (max-width: 700px) {
  .landing_page .landing_caption_full_width {
    width: 60%
  }
}

.landing_page .landing_description {
  color: #666666;
  font-size: 17px;
  line-height: 1.4em;
}

.landing_page .landing_description a {
  color: #666666;
  text-underline-position: under;
}

.landing_page .landing_description_pad_top {
  margin-top: 100px;
}

@media (max-width: 700px) {
  .landing_page .landing_description_pad_top {
    margin-top: 20px;
  }
}

.landing_page .ex_description_pad_top {
  margin-top: 20px;
}

.landing_page .landing_heading_pad_top {
  margin-top: 150px;
}

.landing_page .landing_image_full_width {
  width: 100%;
  height: auto;
}

.landing_page .tour_play_row {
  display: flex;
  align-items: center;
  gap: 30px;
}

.landing_page .tour_duration {
  font-size: 15px;
  color: #666666;
  margin-top: 50px; 
}

.landing_page .stories {
  display: flex;
  flex-wrap: wrap;
  row-gap: 100px;
  column-gap: 100px;
  justify-content: space-between;
  align-items: stretch;
  margin-top: 100px;
}

.landing_page .story_cont {
  width: calc((100% - 200px) / 3);
  display: flex;
  flex-direction: column;
  gap: 60px;
}

@media (max-width: 700px) {
  .landing_page .stories {
    flex-direction: column;
    gap: 100px;
  }

  .landing_page .story_cont {
    width: 100%;
  }
}

.landing_page .story_item {
  display: flex;
  flex-direction: column;
}

.landing_page .story_link {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: #000;
  gap: 20px;
}

.landing_page .story_thumb {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 20px;
}

.landing_page .story_num {
  color: #666;
  font-size: 14px;
}

.landing_page .story_title {
  font-family: "Libre Baskerville";
  font-size: 28px;
  font-weight: 700;
  line-height: 1.4em;
  word-break: break-word;
  white-space: normal;
  max-width: 100%;
}

.landing_page .story_description {
  color: #666666;
  line-height: 1.6em;
}

.landing_page .story_play_row {
  display: flex;
  align-items: center;
  gap: 15px;
}

.landing_page .story_button_play {
  padding: 5px 15px 6px;
}

.landing_page .story_duration {
  font-size: 14px;
  color: #666666;
}

.landing_page .chapter_cont {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.landing_page .chapter_link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  column-gap: 15px;
  align-items: center;
  text-decoration: none;
  border-top: 1px solid #eee;
  padding-top: 20px;
}

.landing_page .chapter_item {
}

.landing_page .chapter_num {
  color: #666;
  font-size: 14px;
}

.landing_page .chapter_title {
  font-family: "Libre Baskerville";
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6em;
  word-break: break-word;
  white-space: normal;
  color: #000;
}

.landing_page .chapter_button {
  width: 20px;
  height: 20px;
  object-fit: contain;
  margin-right: 10px;
  display: block;
}

.landing_content .audio_guide_heading {
  margin-right: 71px;
}

.landing_content .audio_guide_icon {
  float: right;
  margin-top: 33px;
  width: 66px;
  height: 49px;
}

@media (max-width: 700px) {
  .landing_content .audio_guide_heading {
    margin-right: 45px;
  }
  .landing_content .audio_guide_icon {
    margin-top: 27px;
    width: 40px;
    height: auto;
  }
}

.landing_content .guide_cont {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 60px;
  row-gap: 15px;
  margin-top: 30px;
}

.landing_content .guide_link {
  width: calc(50% - 30px);
  display: flex;
  align-items: center;
  text-decoration: none;
  padding: 15px 0 0;
  border-top: 1px solid #eee;
}

@media (max-width: 900px) {
  .landing_content .guide_cont {
    flex-direction: column;
    width: calc(100% - 30px);
  }

  .landing_content .guide_link {
    width: 100%;
  }
}

.landing_content .guide_item {
  flex: 1;
}

.landing_content .guide_title {
  font-family: "Libre Baskerville";
  font-size: 16px;
  line-height: 1.5;
  font-weight: 700;
  color: #000;
  padding-right: 20px;
}

.landing_content .guide_mins {
  flex: 0 0 auto;
  padding-right: 20px;
  color: #666666;
  font-size: 15px;
}

.landing_content .guide_play_cont {
  flex: 0 0 auto;
}

.landing_page .audio_guide_button_play {
  padding: 5px 10px 6px;
  font-size: 15px;
  gap: 5px;
}

@media (max-width: 700px) {
  .landing_content .guide_link {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .landing_content .guide_item {
    width: 100%;
  }
  
  .landing_content .guide_title {
    font-size: 16px;
  }

  .landing_content .guide_play_cont {
    align-self: flex-start;
    width: auto;
  }
}


.landing_page .acknowledgment_cont {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 150px;
  margin-top: 100px;
}

.landing_page .acknowledgment_item {
  display: flex;
  flex-direction: column;
}

.landing_page .acknowledgment_link {
  display: block;
  margin-bottom: 10px;
}

.landing_page .acknowledgment_image {
  max-height: 70px;
  width: auto;
  display: block;
}

.landing_page .acknowledgment_description {
  color: #666666;
  margin-top: 30px;
  line-height: 1.4em;
}

@media (max-width: 900px) {
  .landing_page .acknowledgment_cont {
    grid-template-columns: 1fr;
    gap: 60px;
  }
}

.landing_page .footer_row {
  display: flex;
  justify-content: flex-start;
  gap: 20px;
  flex-wrap: nowrap;
  padding-top: 40px;
  font-size: 14px;
  line-height: 1.6em;
}

.landing_page .footer_row_top {
  border-top: 1px solid #eee;
  font-size: 16px;
}

.landing_page .footer_item {
  flex: 1;
  color: #666666;
}

.landing_page .footer_item a {
  color: #666666;
  text-underline-position: under;
}

.landing_page .footer_item:nth-child(2),
.landing_page .footer_item:nth-child(3) {
  flex: 0 0 20%;
}

@media (max-width: 700px) {
  .landing_page .footer_row {
    flex-direction: column;
    gap: 30px;
  }

  .landing_page .footer_item {
    flex: none;
    width: 100%;
  }
}