* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  background-color: rgb(0, 13, 22);
  display: block;
  align-content: center;
}

body,
html {
  font-family: Arial, sans-serif;
  font-family: "Montserrat", sans-serif;
  color: white;
  line-height: 1.42857143;
  background-color: white;
}

body {
  min-height: 100vh;
  width: 100%;
  max-width: 100vw;
  /*background-color: rgb(2, 2, 12);*/
  background: no-repeat url(../img/zelos_bg_gradient.jpg) center center;
  background-size: cover;
}

p {
  margin: 0 0 10px;
}

.zelos_logo {
  /*margin: auto auto;*/
  max-width: 350px;
  width: 90%;

  -webkit-transition: all 0.5s ease-in-out;
  -moz-transition: all 0.5s ease-in-out;
  -o-transition: all 0.5s ease-in-out;
  transition: all 0.5s ease-in-out;
}

.zelos_container {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.zelos_details_text {
  background-color: white;
  border-radius: 5px;
  margin: 3vw auto;
  color: #333;
  height: auto !important;
  max-width: 800px !important;
  padding: 30px 50px;
  text-align: left;
}

.zelos_start_container {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 35px 20px;
  -webkit-backdrop-filter: blur(15px);
  backdrop-filter: blur(15px);
  margin: 2%;
  width: 46%;
  max-width: 250px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.btn-primary {
  padding: 7px 15px;
  text-align: center;
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
  margin: 0;
  cursor: pointer;
  background: #3abff0;
  border-radius: 3px;
  border-color: #29b1f0;
  -webkit-transition: all 0.3s ease-in-out;
  -moz-transition: all 0.3s ease-in-out;
  -o-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
}

.zelosButton {
  padding: 0.5em 1em;
  text-align: center;
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
  margin: 0;
  cursor: pointer;
  background: #3abff0;
  border-radius: 3px;
  border-color: #29b1f0;
  font-size: 1.2em;
  /*font-family: "Baloo 2", cursive;*/
}

.zelosButton:active {
  transform: translateY(3px);
  transform: scale(0.95);
}

.content {
  min-height: 100vh;
  height: 100%;
  /*background-color: rgb(2, 2, 12);
  background: no-repeat url(../img/zelos_bg_gradient.jpg) center center;*/
  background-size: cover;
}

.centerContent {
  min-height: 100vh;
  height: 100%;
  width: 100%;
  display: block;
  align-content: center;
}

/* video */
.centerVideo {
  display: flex;
  justify-content: center;
  align-items: center;
}
.video-container {
  position: relative;
  margin: auto;
}

.video-container video {
  width: 100%;
  display: block;
}

.play-button {
  position: absolute;
  top: 48%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.5);
  border: none;
  border-radius: 50%;
  width: 80px;
  height: 80px;
  cursor: pointer;
}

.play-button::before {
  content: "";
  display: block;
  margin: auto;
  width: 0;
  height: 0;
  border-left: 20px solid white;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
}

.play-button.hidden {
  display: none;
}

.zelosRow {
  padding: 2em 0;
}

.contentContainer {
  width: 100%;
  max-width: 1080px;
  top: 8vh;
  position: absolute;
  margin: auto;
  left: 0;
  right: 0;
  padding: 3em 0;
  padding-bottom: 6em;
  z-index: 5;
}

/* Container for the video */
.video-container {
  position: relative;
  width: 80%;
  max-width: 1080px;
  aspect-ratio: 16 / 9;
  background-color: black;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Video element */
video {
  width: 100%;
  height: 100%;
  background-color: black;
}

/* Exit button in the top right corner */
.exit-btn {
  position: fixed;
  top: 1em;
  right: 1em;
  width: 1em;
  height: 1em;
  padding: 1.5em;
  background-color: white;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 2px;
  opacity: 0.6;
  transition: opacity 0.3s ease;
  z-index: 5;
}

/* Close Button Icon */
.exit-btn::before {
  content: "✖";
  font-size: 28px;
  font-weight: 900;
  color: #3abff0;
}

/* Right arrow to go to the next page */
.next-btn {
  position: fixed;
  right: 0.5em;
  top: 50%;
  transform: translateY(-50%);
  background-color: #3abff0;
  color: white;
  font-size: 2em;
  padding: 10px;
  cursor: pointer;
  border-radius: 4px;
  z-index: 5;
}

.btn-default:hover {
  color: #29b1f0;
  border: 0px;
  background: white;
  opacity: 1;
}

.next-btn img {
  max-width: 1em;
  /*margin-top: 10px;*/
}

.e-header {
  color: #fff;
  /*font-family: 'Baloo 2', cursive;*/
  font-size: 2em;
  font-weight: 600;
  text-align: center;
}

.e-header-s {
  color: #29b1f0;
  /*font-family: 'Baloo 2', cursive;*/
  font-size: 1em;
  font-weight: 700;
  text-align: center;
}

/* score */
.total_score_field {
  position: fixed;
  z-index: 10;
  top: 16px;
  right: 80px;
  background-color: white;
  border-radius: 2px;
  color: #3abff0;
}

.total_score_field p {
  margin: 12px;
  font-weight: 700;
  padding: 0px;
}

/* audio */
.zelosRow {
  text-align: center;
  position: relative;
  z-index: 2;
  padding-top: 5vh;
  max-width: 85vw;
  padding: 5vh 0;
  margin: auto;
}
.ardaTextContentRow {
  max-width: 1000px;
  padding: 5vw;
  font-size: 1em;
  position: relative;
}
.endContent {
  padding: inherit;
  padding-top: 5vh;
}
.top {
  padding-top: 1vw;
}

.col-xs-6 {
  width: 50%;
  float: left;
}
.zelos_audio_foto {
  max-width: 200px;
  width: 30vw;
}
img {
  vertical-align: middle;
}
.ardaTextContentRow p {
  font-family: "Montserrat", sans-serif;
}

.zelos_button_audio {
  width: 30vw;
  max-width: 150px;
  cursor: pointer;
  transition: ease all 0.3s;
}
#music_display {
  width: 100%;
  max-width: 500px;
  max-height: 130px;
  height: 10vh;
}
.showRegularPlayer {
  cursor: pointer;
  z-index: 10;
  display: block;
}

.player {
  opacity: 0;
}

.col-md-6 {
  min-height: 1px;
  padding-left: 15px;
  padding-right: 15px;
  position: relative;
}

.zelos_particles_fullscreen_container {
  border: 0px;
  height: 100vh;
  width: 100vw;
  position: fixed;
  top: 0px;
  left: 0px;
  margin: 0px;
}

*,
:after,
:before {
  box-sizing: border-box;
}

.row {
  position: relative;
}

.bottomRow {
  padding-bottom: 10vh;
  position: relative;
  text-align: center;
}

.row:after,
.row:before {
  content: " ";
  display: table;
}

.row:after {
  clear: both;
}
.zelos_audio_foto {
  max-width: 150px;
  min-width: 120px;
  width: 15vw;
}

.arrow-right,
.arrow-left {
  position: absolute;
  z-index: 1;
  top: 0;
  bottom: 0;
  display: table;
  margin: auto 5vw;
  overflow: auto;
  cursor: pointer;
  height: 15vw;
  max-height: 500px;
  min-height: 100px;
}

@media only screen and (min-width: 992px) {
  .col-md-6 {
    width: 50%;
    float: left;
  }

}

@media only screen and (max-width: 992px) {
  .zelos_logo {
    width: 150px;
  }
  .ardaTextContentRow {
    font-size: 0.8em;
  }
  .next-btn {
    right: 0.2em;
    font-size: 1.5em;
  }

  .question {
    font-size: 1em !important;
  }

  .zelos_audio_foto {
    max-width: 100px;
    width: 10vw;
    min-width: 70px;
  }
  .zelos_button_audio {
    width: 15vw;
    max-width: 80px;
  }
  .exit-btn {
    width: 0.6em;
    height: 0.6em;
    padding: 1.2em;
    top: 8px;
    right: 8px;
  }
  .total_score_field {
    top: 9px;
    right: 50px;
  }
  .total_score_field p {
    margin: 8px;
    font-size: 0.8em;
  }
  .video-container {
    width: 67%;
  }
}

@media only screen and (max-width: 740px) {
  /* multiplechoice */
  .labelContainer {
    margin-bottom: 1.2em !important;
  }
  .questionContainer {
    padding: 2vh 10px !important;
  }
  .block{
    padding:1em !important;
    margin: 2vw !important;
  }
  .labelContainer{
  font-size: 1em !important;
  }
  .labelContainer img{
    max-width:80%;
  }
  .zelos_start_container{
    width: auto;
  }
  .zelosButton{
    font-size: 1em;
  }


}

@media only screen and (max-width: 400px) {
  .ardaTextContentRow {
    max-width: 1000px;
    padding: 2vw;
    font-size: 1em;
    position: relative;
    padding-top: 5vh;
    min-height: 100vh;
    display: flex;
    align-content: center;
    justify-content: center;
    align-items: center;
    flex-direction: column;
  }
  .zelos_audio_foto {
    max-width: 100px;
    width: 10vw;
    min-width: 70px;
  }
  .zelos_button_audio {
    width: 20vw;
    max-width: 100px;
  }

  .next-btn {
    font-size: 1.2em;
    padding: 14px 8px;
  }
  .exit-btn {
    width: 0.7em;
    height: 0.7em;
    padding: 1.3em;
  }
  /* multiplechoice */
  .labelContainer img {
    max-width: 100px !important;
  }
}
@media only screen and (max-height: 400px) {
  .video-container {
    /*
    position: absolute;
    bottom: 4vh;
    */
  }
  .exit-bt {
    top: 5px;
  }
  /* multiplechoice */
  .explanation{
    padding:0;
  }
}