* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
body {
  margin: 0;
  background-color: lightgrey;
}
*,
*:before,
*:after {
  box-sizing: inherit;
}

/***header***/
header {
  position: relative;
  margin: 0 auto;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: hidden;
  margin-top: 0;
}

div.header-text h1 {
  margin: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-right: -50%;
  transform: translate(-50%, -50%);
  font-size: 90px;
  opacity: 0.6;
  color: #fdffb6;
}

.header-text span {
  position: absolute;
  top: 70%;
  left: 50%;
  margin-right: -50%;
  transform: translate(-50%, -50%);
  font-size: 40px;
  opacity: 0.6;
  color: #fdffb6;
}

.video-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  z-index: -1;
}

video {
  object-fit: fill;
  width: 100%;
  height: 100vh;
  z-index: 0;
}

picture {
  display: none;
}

nav {
  position: absolute;
  width: 50%;
  top: 0;
  background-color: transparent;
  margin: 10px;
  overflow: hidden;
}

nav a {
  text-decoration: none;
  font-size: 18px;
  letter-spacing: 1px;
  box-sizing: border-box;
  display: inline-block;
  color: #f2f2f2;
  text-align: center;
  padding: 16px 24px;
}
/***sign in button***/
.sign-in {
  position: absolute;
  font-size: 20px;
  display: inline-block;
  transition: all 0.4s ease 0s;
  border: 3px solid white;
  background-color: transparent;
  color: white;
  margin-top: 20px;
  margin-left: 500px;
}
.sign-in:hover {
  background: #fdffb6;
  color: grey;
}

.sign-in:active {
  background: #fdffb6;
  color: grey;
}

/***header for tablet/mobile***/
@media screen and (max-width: 1020px) {
  div.header-text h1 {
    top: 40%;
  }
  .header-text span {
    top: 50%;
    font-size: 20px;
  }
  .video-container {
    display: none;
  }
  .menu {
    display: none;
  }
  .sign-in {
    display: none;
  }
  picture {
    width: 100%;
    height: auto;
    background-repeat: no-repeat;
    background-size: contain;
    display: inline-block;
    position: absolute;
    margin: 0;
    padding: 0;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: -1;
  }
}

/***sign up form***/
.main {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}
.signup {
  flex: 1;
  margin-right: 20px;
}
.accordion {
  flex: 1;
}

form {
  max-width: 50vw;
  margin-left: 15px;
}

legend {
  font-family: "Lexend Giga", sans-serif;
  color: grey;
  text-decoration: none;
  font-size: 20px;
  border-bottom: 0px !important;
  margin-left: 15px;
}

.form-group {
  color: white;
  font-family: "Lexend Giga", sans-serif;
  font-weight: 200;
  font-size: 20px;
  border-radius: 5px;
  line-height: 30px;
  background-color: transparent;
  border: 2px solid #fdffb6;
  transition: all 0.5s;
  padding: 15px;
  margin-bottom: 15px;
  width: 50vw;
  box-sizing: border-box;
  outline: 0;
  color: grey;
}

.form-group:focus {
  border: 2px solid #fcff99;
}

.selection {
  background-color: lightgrey;
  color: grey;
  font-family: "Lexend Giga", sans-serif;
}
select {
  background: lightgrey;
}

.submit {
  font-family: "Crimson", Arial, Helvetica, sans-serif;
  width: 50vw;
  background: #fcff99;
  border-radius: 5px;
  border: 0;
  cursor: pointer;
  color: #908aa8;
  font-size: 24px;
  padding-top: 10px;
  padding-bottom: 10px;
  transition: all 0.3s;
  margin-top: 5px;
  font-weight: 700;
}
.submit:hover {
  background: #ececd3;
}

.input_data label {
  margin-bottom: 5px;
  padding-bottom: 1em;
  color: grey;
  font-family: "Lexend Giga", sans-serif;
}

.radio-buttons {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  color: grey;
  background-color: lightgrey;
  font-family: "Lexend Giga", sans-serif;
}

.checkbox,
checkbox {
  margin-left: 25px;
  color: grey;
  background-color: lightgrey;
  font-family: "Lexend Giga", sans-serif;
}
/***accordion***/

.accordion-intro {
  margin-bottom: 40px;
  color: grey;
  font-size: 20px;
  font-family: "Lexend Giga", sans-serif;
}
.accordion-container {
  border: 2px solid #fdffb6;
  border-radius: 5px;
  margin-bottom: 15px;
  margin-top: 15px;
  color: grey;
  font-family: "Lexend Giga", sans-serif;
  font-size: 20px;
  padding: 4px;
  margin: 15px;
}

.accordion-header {
  margin: 0;
  padding: 15px;
  cursor: pointer;
  font-size: 20px;
}

.accordion-text {
  border-top: 2px solid #999;
  margin: 0;
  padding: 15px;
  font-size: 18px;
}

.accordion-text-container {
  height: 0;
  overflow: scroll;
  transition: height 0.3s ease;
}

.accordion-text-container.active {
  height: 550px;
}

/***main section (signup form and accordion for tablet/mobile***/

@media screen and (max-width: 1020px) {
  .main {
    flex-direction: column;
  }
  .signup {
    margin-left: -15px;
  }
  .form {
    width: 100vw;
  }
  .form-group {
    width: 100vw;
  }
  .submit {
    width: 100vw;
  }
}

/***footer***/

.footer {
  text-align: center;
  display: inline-block !important;
  background-color: lightgrey;
  width: 100%;
  border: 2px solid #fdffb6;
  margin-top: 50px;
  position: relative;
  bottom: 0;
  left: 0;
  right: 0;
  height: 70px;
  line-height: 50px;
}

.footer p {
  font-family: "Lexend Giga", sans-serif;
  font-size: 18px;
  color: grey;
}