@charset "UTF-8";

:root {
  --font-family-sans-serif: "interstate", "caecilia-sans-head", "zeitung",
    Helvetica, sans-serif;
  --font-family-serif: "caecilia", "Fedra Serif A 3", Georgia, serif;
  /* Default */
  --accent-color: hsl(260, 100%, 32%);
  --darker-accent: hsl(270, 100%, 32%);
  --marker-color: hsla(203, 100%, 50%, 0.25);
  --text-color: hsl(0, 0%, 29%);
  --text-color-lighter: hsl(0, 0%, 60%);
  --color-vertical-line: hsl(0, 0%, 85%);
  --shadow-color: hsl(0, 0%, 67%);
  --background-color: hsl(0, 0%, 100%);
  --gray: hsla(0, 0%, 29%, 0.5);
}

body.dark {
  --accent-color: hsl(260, 95.75%, 76.48%);
  --darker-accent: hsl(260, 80%, 60%);
  --marker-color: hsla(203, 100%, 50%, 0.25);
  --text-color: hsl(0, 0%, 88%);
  --text-color-lighter: hsl(0, 0%, 60%);
  --color-vertical-line: hsl(0, 0%, 85%);
  --shadow-color: hsl(0, 0%, 67%);
  --background-color: hsl(0, 0%, 18%);
  --gray: hsla(0, 0%, 29%, 0.5);
}

@media (prefers-color-scheme: dark) {
  :root {
    --accent-color: hsl(260, 95.75%, 76.48%);
    --darker-accent: hsl(260, 95.75%, 60%);
    --marker-color: hsla(203, 100%, 50%, 0.25);
    --text-color: hsl(0, 0%, 88%);
    --text-color-lighter: hsl(0, 0%, 60%);
    --color-vertical-line: hsl(0, 0%, 85%);
    --shadow-color: hsl(0, 0%, 67%);
    --background-color: hsl(0, 0%, 18%);
    --gray: hsla(0, 0%, 29%, 0.5);
  }

  body.light {
    --accent-color: hsl(260, 100%, 32%);
    --darker-accent: hsl(270, 100%, 32%);
    --marker-color: hsla(203, 100%, 50%, 0.25);
    --text-color: hsl(0, 0%, 29%);
    --text-color-lighter: hsl(0, 0%, 60%);
    --color-vertical-line: hsl(0, 0%, 85%);
    --shadow-color: hsl(0, 0%, 67%);
    --background-color: hsl(0, 0%, 100%);
    --gray: hsla(0, 0%, 29%, 0.5);
  }
}

* {
  margin: 0;
  padding: 0;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-boxG497;
  box-sizing: border-box;
}

/* UNIVERSAL */
html,
body {
  width: 100%;
  font-family: var(--font-family-sans-serif);
  font-weight: 400;
  font-style: normal;
  font-size: 100%;
  color: var(--text-color);
  background-color: var(--background-color);
  line-height: 1.5;
  /* -webkit-font-smoothing: antialiased; */
  -webkit-hyphens: auto;
  -moz-hyphens: auto;
  -ms-hyphens: auto;
  -o-hyphens: auto;
  hyphens: auto;
  font-variant-numeric: oldstyle-nums;
  -moz-font-feature-settings: "onum";
  -webkit-font-feature-settings: "onum";
  font-feature-settings: "onum";
  -webkit-font-kerning: normal;
  font-kerning: normal;
  -moz-font-feature-settings: "kern";
  -webkit-font-feature-settings: "kern";
  font-feature-settings: "kern";
  -webkit-transition: all 1s;
  -o-transition: all 1s;
  -moz-transition: all 1s;
  transition: all 1s;
}

button {
  outline: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  padding: 0;
  border: none;
  cursor: pointer;
}

.Inputfields {
  width: 100%;
}

.Inputfield {
  clear: none !important;
}

button#Inputfield_login_submit {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  padding: 10px;
  background-color: var(--accent-color);
  border-radius: 5px;
  width: 100%;
  margin-top: 20px;
  font-size: 0.9375rem;
  color: white;
  letter-spacing: 0.025rem;
}

#LoginRegisterLoginForm h2 {
  color: var(--accent-color);
  margin-bottom: 20px;
  font-weight: 500;
  margin-left: 0;
}

#LoginRegister .Inputfield:not(.InputfieldSubmit) {
  background: transparent;
  height: 70px;
  padding: 0;
  border: 0;
  width: 100%;
  float: left;
}

.Inputfield_login_pass {
  padding-left: 10px;
}

input#login_pass,
input#login_name {
  width: 100%;
  padding-left: 10px;
  height: 40px;
  border: 0.5px solid var(--accent-color);
  border-radius: 5px;
  background-color: transparent;
  margin-top: 5px;
  color: var(--text-color);
  font-size: 0.9375rem;
}

.InputfieldContent {
  padding-right: 25px !important;
}

.InputfieldHeader {
  font-weight: normal !important;
  font-size: 0.9375rem !important;
}

.LoginRegisterMessage,
.LoginRegisterError {
  border: none !important;
  font-weight: normal !important;
  padding: 0 0 !important;
  margin-top: -22px !important;
  margin-left: 10px !important;
}

svg {
  width: 100%;
}

#wrapper {
  padding: 0 25px 0 25px;
}

/* TYPOGRAPHY */
h1 {
  font-family: var(--font-family-sans-serif);
  font-style: normal;
  font-weight: normal;
  font-size: 26px;
  font-size: 1.625rem;
  line-height: 1.2;
  color: var(--text-color);
}

#nav h1 {
  font-weight: 700;
  font-style: normal;
  font-size: 21px;
  font-size: 1.3125rem;
  width: 200px;
  height: 30px;
  position: absolute;
  top: 20px;
  left: 25px;
}

#nav h1 a,
#nav h1 a:link,
#nav h1 a:visited {
  font-family: var(--font-family-sans-serif);
  font-style: normal;
  font-weight: 500;
  font-size: 16px;
  font-size: 1rem;
  color: var(--text-color);
  cursor: pointer;
  text-decoration: none;
}

#nav h1 a:hover,
#nav h1 a:active {
  color: var(--accent-color);
}

h2 {
  font-family: var(--font-family-sans-serif);
  font-size: 19px;
  font-size: 1.1875rem;
  font-style: normal;
  font-weight: 700;
  color: var(--text-color);
  margin: 1.25rem 0 0.25rem 0;
}

.row h2 {
  font-family: var(--font-family-sans-serif);
  font-size: 21px;
  font-size: 1.3125rem;
  font-weight: 400;
  font-style: normal;
  line-height: 1.3;
  color: var(--darker-accent);
  padding-bottom: 0.5rem;
  /* letter-spacing: 0.4px; */
  -webkit-hyphens: none;
  -moz-hyphens: none;
  -ms-hyphens: none;
  hyphens: none;
  margin: 1em 0 0.2em 0;
  margin-left: 3rem;
  max-width: 20ch;
  /* letter-spacing: -0.025rem; */
}

.dark .row h2 {
  color: var(--accent-color);
}

#imprint {
  margin-top: 100px;
  margin-left: auto;
  margin-right: auto;
  max-width: 60ch;
}

.row h2 .addition::before {
  content: " ";
}

.row h2 .addition {
  font-family: var(--font-family-sans-serif);
  font-weight: 400;
  font-size: 21px;
  font-size: 1.3125rem;
  color: var(--accent-color);
}

.row h2.exercise:before {
  content: "";
  background-image: url(../img/icon_uebung.svg);
  -webkit-background-size: 35px auto;
  -moz-background-size: 35px auto;
  background-size: 35px auto;
  background-repeat: no-repeat;
  background-position: center;
  width: 50px;
  height: 30px;
  padding-right: 40px;
  margin-left: -15px;
  padding-top: 11px;
  margin-right: 10px;
}

.row h2.exercise2:before {
  content: "";
  background-image: url(../img/icon_uebung_02.svg);
  -webkit-background-size: 35px auto;
  -moz-background-size: 35px auto;
  background-size: 35px auto;
  background-repeat: no-repeat;
  background-position: center;
  width: 50px;
  height: 30px;
  padding-right: 40px;
  margin-left: -15px;
  padding-top: 11px;
  margin-right: 10px;
}

.row h2.note:before {
  content: "";
  background-image: url(../img/icon_note.svg);
  -webkit-background-size: 35px auto;
  -moz-background-size: 35px auto;
  background-size: 35px auto;
  background-repeat: no-repeat;
  background-position: center;
  width: 50px;
  height: 30px;
  padding-right: 40px;
  margin-left: -15px;
  padding-top: 11px;
  margin-right: 10px;
}

h3 {
  font-size: 18px;
  font-size: 1.125rem;
  margin: 0.5rem 0 0.5rem 0;
  font-weight: 500;
  text-indent: 3rem;
  color: var(--accent-color);
}

.row h3 {
  margin: 1.5rem 0 0.5rem 0;
}

.row h3 + p {
  text-indent: 0;
}

#imprint h3 {
  font-family: var(--font-family-sans-serif);
  font-size: 18px;
  font-size: 1.125rem;
  font-style: normal;
  font-weight: 700;
  color: var(--text-color);
  margin: 1.25rem 0 0 0;
  text-indent: 0;
}

#imprint .row h3 {
  font-family: var(--font-family-sans-serif);
  font-size: 18px;
  font-size: 1.125rem;
  font-weight: 700;
  font-style: normal;
  line-height: 1.6;
  padding-bottom: 0.5rem;
  letter-spacing: 0.4px;
  -webkit-hyphens: none;
  -moz-hyphens: none;
  -ms-hyphens: none;
  hyphens: none;
  margin: 1em 0 0 0;
  margin-left: 0;
}

h4 {
  font-size: 18px;
  font-size: 1.125rem;
}

h5 {
  font-size: 16px;
  font-size: 1rem;
}

h6 {
  font-size: 14px;
  font-size: 0.875rem;
}

p,
ul,
ol,
li {
  font-family: var(--font-family-serif);
  font-style: normal;
  font-weight: 400;
  text-indent: 3rem;
  font-size: 16px;
  font-size: 1rem;
  line-height: 1.7;
  margin: 0;
  font-variant-numeric: oldstyle-nums;
  -moz-font-feature-settings: "onum";
  -webkit-font-feature-settings: "onum";
  font-feature-settings: "onum";
  -webkit-font-variant-ligatures: common-ligatures;
  -moz-font-variant-ligatures: common-ligatures;
  font-variant-ligatures: common-ligatures;
  -moz-font-feature-settings: "liga", "clig";
  -webkit-font-feature-settings: "liga", "clig";
  font-feature-settings: "liga", "clig";
  letter-spacing: 0.02rem;
  /* letter-spacing: 0.035rem; */
  -webkit-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -o-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -moz-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  max-width: 75ch;
}

p.ciu_embed {
  max-width: 100%;
}

@media (prefers-color-scheme: dark) {
  p,
  ul,
  ol,
  li {
    font-weight: 300;
    letter-spacing: 0.045rem;
  }
}

.dark p,
.dark ul,
.dark ol,
.dark li {
  font-weight: 300;
  letter-spacing: 0.045rem;
}

#imprint p {
  text-indent: 0;
}

ul,
ol {
  margin: 25px 0;
  list-style: none;
  list-style-position: outside;
  padding-left: 20px;
}

ul,
ol,
li {
  font-family: var(--font-family-serif);
  font-weight: 400;
  font-style: normal;
  font-size: 16px;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.75;
  padding-left: 0;
  font-variant-numeric: oldstyle-nums;
  -moz-font-feature-settings: "onum";
  -webkit-font-feature-settings: "onum";
  font-feature-settings: "onum";
}

.row ul {
  list-style: none;
  /* Remove default bullets */
}

.row ul li:not(.link):before {
  content: "\2022";
  /* Add content: \2022 is the CSS Code/unicode for a bullet */
  color: var(--accent-color);
  /* Change the color */
  font-weight: bold;
  /* If you want it to be bold */
  display: inline-block;
  /* Needed to add space between the bullet and the text */
  width: 1em;
  /* Also needed for space (tweak if needed) */
  margin-left: -1em;
  /* Also needed for space (tweak if needed) */
}

footer.row ul li:not(.link):before,
.row ul li.download:before,
.row .panel-nav ul li:before,
.row ul#search-term li:before {
  content: "";
  display: none;
}

li {
  text-indent: 0;
  margin-bottom: 0.5rem;
}

/* .row ul {
  list-style: disc;
} */
.row ol {
  list-style: decimal;
}

.row ul,
.row ol {
  list-style-position: outside;
  margin-left: 1rem;
}

.row li {
  padding-left: 0rem;
}

.row ol + p {
  text-indent: 0;
}

div p:first-child,
h2 + p,
ul + p {
  text-indent: 0;
}

.row.heading + .row {
  margin-top: 0;
}

.row.heading + .row .col-4 {
  margin-top: 0;
}

a,
.uppercase {
  font-family: var(--font-family-serif);
  color: var(--accent-color);
  font-style: normal;
  font-weight: 400;
}

@media (prefers-color-scheme: dark) {
  a,
  .uppercase {
    font-weight: 300;
  }
}

.dark a,
.dark .uppercase {
  font-weight: 300;
}

a:link {
  color: var(--accent-color);
  text-decoration: none;
}

a:visited {
  color: var(--accent-color);
  text-decoration: none;
}

a:hover {
  color: var(--accent-color);
  text-decoration: underline;
}

a:active {
  color: var(--accent-color);
  text-decoration: underline;
}

p + p {
  text-indent: 1rem;
}

p a:link,
p + ol li a:link,
p + ul li a:link {
  color: var(--text-color);
  text-decoration: underline;
  font-style: italic;
}

p a:visited,
p + ol li a:visited,
p + ul li a:visited {
  color: var(--text-color);
  text-decoration: underline;
  font-style: italic;
}

p a:hover,
p + ol li a:hover,
p + ul li a:hover {
  color: var(--accent-color);
  text-decoration: underline;
  font-style: italic;
}

p a:active,
p + ol li a:active,
p + ul li a:active {
  color: var(--accent-color);
  text-decoration: underline;
  font-style: italic;
}

strong {
  font-family: var(--font-family-sans-serif);
  color: var(--text-color);
  line-height: 1.5;
  font-weight: 700;
  font-style: normal;
}

.row li strong {
  font-family: var(--font-family-serif);
  font-weight: 400;
  font-style: normal;
  color: var(--accent-color);
}

em {
  font-family: var(--font-family-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--text-color);
}

.nmbr {
  font-size: 30px;
  font-family: var(--font-family-sans-serif);
  font-weight: 400;
  font-style: normal;
}

#mobile_Header {
  display: none;
  width: 100vw;
  height: 100vh;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-image: url(../img/intro_bg2.jpg);
}

#header-line {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
  height: 5px;
  border-top: 5px solid var(--accent-color);
}

.content h1:after {
  background: transparent;
  content: "";
  display: block;
  height: 2px;
  position: relative;
  bottom: -10px;
  left: 0;
  width: 150px;
  margin-left: -20px;
}

#title h1 {
  font-family: var(--font-family-sans-serif);
  font-size: 40px;
  font-size: 2.5rem;
  line-height: 1.2;
  font-weight: 400;
  font-style: normal;
  color: var(--accent-color);
  -webkit-hyphens: none;
  -moz-hyphens: none;
  -ms-hyphens: none;
  hyphens: none;
  margin-left: -0.25rem;
  margin-bottom: 1rem;
  letter-spacing: -0.025rem;
  -webkit-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -o-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -moz-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
}

#title h2 {
  font-family: var(--font-family-sans-serif);
  font-style: normal;
  font-weight: 500;
  font-size: 14px;
  font-size: 0.875rem;
  line-height: 1.5;
  text-transform: uppercase;
  letter-spacing: 0.025rem;
  color: var(--text-color-lighter);
  -webkit-hyphens: none;
  -moz-hyphens: none;
  -ms-hyphens: none;
  hyphens: none;
  padding-bottom: 0;
  margin: 0 0 0.25rem 0;
  -webkit-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -o-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -moz-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
}

#title p {
  font-family: var(--font-family-sans-serif);
  font-style: normal;
  font-weight: 500;
  font-size: 17px;
  font-size: 1.0625rem;
  line-height: 1.5;
  letter-spacing: 0.0125rem;
  color: var(--accent-color);
  text-indent: 0;
  margin-top: 0.5rem;
  letter-spacing: 0;
  -webkit-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -o-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -moz-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
}

@media (prefers-color-scheme: dark) {
  #title p {
    font-weight: 300;
  }
}

.dark #title p {
  font-weight: 400;
}

#title p::after {
  content: "";
  border-bottom: 1px solid var(--accent-color);
  display: block;
  width: 100%;
  position: relative;
  left: -2.5%;
  top: 1rem;
  margin-bottom: 1rem;
  -webkit-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -o-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -moz-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
}

.fixed-header {
  position: fixed !important;
}

#nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 60px;
  margin-left: 0;
  opacity: 1;
  z-index: 9999999;
  -webkit-box-shadow: 0 0 5px 1px var(--shadow-color);
  -moz-box-shadow: 0 0 5px 1px var(--shadow-color);
  box-shadow: 0 0 5px 1px var(--shadow-color);
  background-color: var(--background-color);
  -webkit-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -o-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -moz-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
}

#nav.shadow {
  -webkit-box-shadow: 0 0 18px 2px var(--shadow-color);
  -moz-box-shadow: 0 0 18px 2px var(--shadow-color);
  box-shadow: 0 0 18px 2px var(--shadow-color);
  background-color: var(--background-color);
  border-bottom: 0.5px solid transparent;
  -webkit-transition: all 1s;
  -o-transition: all 1s;
  -moz-transition: all 1s;
  transition: all 1s;
}

@media (prefers-color-scheme: dark) {
  #nav {
    -webkit-box-shadow: unset;
    -moz-box-shadow: unset;
    box-shadow: unset;
    border-bottom: 0.5px solid var(--text-color);
    background-color: var(--background-color) !important;
  }

  #nav.shadow {
    border-bottom: 0.5px solid var(--text-color);
    -webkit-box-shadow: unset;
    -moz-box-shadow: unset;
    box-shadow: unset;
    background-color: var(--background-color);
  }
}

.dark #nav {
  -webkit-box-shadow: unset;
  -moz-box-shadow: unset;
  box-shadow: unset;
  border-bottom: 0.5px solid var(--text-color);
  background-color: var(--background-color);
}

.dark #nav.shadow {
  border-bottom: 0.5px solid var(--text-color);
  -webkit-box-shadow: unset;
  -moz-box-shadow: unset;
  box-shadow: unset;
}

#nav button {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 100px;
  height: 50px;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-color: transparent;
  border: none;
  color: var(--text-color);
  font-weight: 300;
  font-style: normal;
  display: block;
  cursor: pointer;
  z-index: 9999999;
  -webkit-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -o-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -moz-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
}

#nav #btn-home {
  position: absolute;
  top: 0;
  right: 90px;
  width: 25px;
  height: 25px;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-color: transparent;
  background-image: url(../img/home@2x.png);
  background-repeat: no-repeat;
  -webkit-background-size: 100% auto;
  -moz-background-size: 100% auto;
  background-size: 100% auto;
  font-family: var(--font-family-sans-serif);
  text-transform: uppercase;
  font-size: 15px;
  border: none;
  color: var(--text-color);
  font-weight: 700;
  font-style: normal;
  display: block;
  cursor: pointer;
  z-index: 999999;
}

#nav button {
  width: 28px;
  height: 28px;
}

#menu-links {
  position: absolute;
  top: 22.5px;
  right: 55px;
  left: auto;
  padding-top: 0;
  margin: 0;
  display: none;
}

#menu-links li {
  display: inline;
  font-family: var(--font-family-sans-serif);
  font-weight: 100;
  font-style: normal;
  font-size: 14px;
  font-size: 0.875rem;
  margin-right: 2.5px;
}

#menu-links li a:link,
#menu-links li a:visited,
#menu-links li a:active {
  color: var(--text-color);
  font-family: inherit;
}

#menu-links li a:hover {
  color: var(--accent-color);
  text-decoration: none;
  font-family: inherit;
}

#menu-links svg {
  fill: var(--text-color);
  width: 20px;
}

#menu-links #mode svg {
  margin-top: 2px;
  margin-left: 5px;
  padding-right: 2px;
  fill: var(--text-color);
  cursor: pointer;
  -webkit-transition: all 1s;
  -o-transition: all 1s;
  -moz-transition: all 1s;
  transition: all 1s;
}

#menu-links svg#exit {
  margin-top: 1px;
  -webkit-transition: all 1s;
  -o-transition: all 1s;
  -moz-transition: all 1s;
  transition: all 1s;
}

#menu-links #mode svg:hover,
#menu-links svg#exit:hover {
  fill: var(--accent-color);
}

#btn-top {
  position: fixed;
  right: 15px;
  bottom: 15px;
  width: 25px;
  -webkit-transition: all 0.85s cubic-bezier(0.215, 0.61, 0.355, 1);
  -o-transition: all 0.85s cubic-bezier(0.215, 0.61, 0.355, 1);
  -moz-transition: all 0.85s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: all 0.85s cubic-bezier(0.215, 0.61, 0.355, 1);
  cursor: pointer;
  opacity: 0;
}

#btn-top:hover svg {
  fill: var(--accent-color);
}

#btn-top svg {
  fill: var(--text-color);
}

.slash-icon {
  background-image: url(../img/slash.svg);
  background-repeat: no-repeat;
  background-position: center 5px;
  width: 12px;
  height: 20px;
  display: inline-block;
}

#chapter-menu {
  position: fixed;
  background-color: var(--background-color);
  top: 0;
  left: 100%;
  width: 100%;
  height: 100vh;
  z-index: 99999;
  border-left: none;
  margin: 0 auto;
  padding-top: 80px;
  overflow-y: scroll;
  -webkit-transition: left 0.85s cubic-bezier(0.215, 0.61, 0.355, 1);
  -o-transition: left 0.85s cubic-bezier(0.215, 0.61, 0.355, 1);
  -moz-transition: left 0.85s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: left 0.85s cubic-bezier(0.215, 0.61, 0.355, 1);
}

.chapter-elem {
  width: 100%;
  border-bottom: 0.5px solid transparent;
  -webkit-transition: border-bottom 0.85s cubic-bezier(0.215, 0.61, 0.355, 1);
  -o-transition: border-bottom 0.85s cubic-bezier(0.215, 0.61, 0.355, 1);
  -moz-transition: border-bottom 0.85s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: border-bottom 0.85s cubic-bezier(0.215, 0.61, 0.355, 1);
}

.divider-visible .chapter-elem {
  border-bottom: 0.5px solid var(--text-color);
}

.chapter-header-group {
  position: relative;
}

.chapter-header-group h2 {
  font-family: var(--font-family-sans-serif);
  font-weight: 400;
  font-style: normal;
  font-size: 24px;
  font-size: 1.5rem;
  color: var(--text-color);
  letter-spacing: 0.3px;
  line-height: 1.7rem;
  padding-top: 0;
  padding-left: 25px;
  margin-bottom: 25px;
  /* letter-spacing: -0.025rem; */
}

.chapter-header-group h2 a:link,
.chapter-header-group h2 a:visited,
.chapter-header-group h2 a:hover,
.chapter-header-group h2 a:active {
  font-family: inherit;
  font-weight: inherit;
  font-style: inherit;
  text-decoration: none;
  color: inherit;
}

.chapter-header-group h2 a:hover,
.chapter-header-group h2 a:active {
  color: var(--accent-color);
  font-weight: 400;
  -webkit-transition: all 1s;
  -o-transition: all 1s;
  -moz-transition: all 1s;
  transition: all 1s;
}

@media (prefers-color-scheme: dark) {
  .chapter-header-group h2 a:hover,
  .chapter-header-group h2 a:active {
    color: var(--accent-color);
    font-weight: 200;
  }
}

.dark .chapter-header-group h2 a:hover,
.dark .chapter-header-group h2 a:active {
  font-weight: 200;
}

.chapter-header-group h2.locked {
  font-weight: 300;
  color: var(--shadow-color);
}

.chapter-header-group h3 {
  font-family: var(--font-family-sans-serif);
  font-style: normal;
  font-weight: 300;
  font-size: 14px;
  font-size: 0.875rem;
  color: var(--text-color);
  letter-spacing: 0.3px;
  line-height: 1.5rem;
  padding: 1rem 0 0 0;
  margin-left: 25px;
  -webkit-transition: margin-left 0.85s cubic-bezier(0.215, 0.61, 0.355, 1);
  -o-transition: margin-left 0.85s cubic-bezier(0.215, 0.61, 0.355, 1);
  -moz-transition: margin-left 0.85s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: margin-left 0.85s cubic-bezier(0.215, 0.61, 0.355, 1);
  cursor: pointer;
}

.lock {
  width: 13px;
  height: 17px;
  position: absolute;
  right: 25px;
  bottom: 0;
}

.lock svg {
  fill: var(--gray);
  -webkit-transition: all 1s;
  -o-transition: all 1s;
  -moz-transition: all 1s;
  transition: all 1s;
}

@media (prefers-color-scheme: dark) {
  .lock svg {
    fill: var(--text-color-lighter);
  }
}

.dark .lock svg {
  fill: var(--text-color-lighter);
}

/* MENU BUTTON */
.bar,
.bar:after,
.bar:before {
  height: 2px;
  background-color: var(--text-color);
}

.bar {
  position: absolute;
  top: 0;
  right: 0;
  width: 26px;
  -webkit-transform: translateY(8px);
  -moz-transform: translateY(8px);
  -o-transform: translateY(8px);
  transform: translateY(8px);
  -webkit-transition: all 0ms 300ms;
  -o-transition: all 0ms 300ms;
  -moz-transition: all 0ms 300ms;
  transition: all 0ms 300ms;
}

.bar.animate {
  background: transparent;
}

.bar:before {
  content: "";
  width: 24px;
  position: absolute;
  left: 0;
  bottom: 9px;
  -webkit-transition: bottom 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -webkit-transform 300ms cubic-bezier(0.23, 1, 0.32, 1);
  transition: bottom 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -webkit-transform 300ms cubic-bezier(0.23, 1, 0.32, 1);
  -o-transition: bottom 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -o-transform 300ms cubic-bezier(0.23, 1, 0.32, 1);
  -moz-transition: bottom 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    transform 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -moz-transform 300ms cubic-bezier(0.23, 1, 0.32, 1);
  transition: bottom 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    transform 300ms cubic-bezier(0.23, 1, 0.32, 1);
  transition: bottom 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    transform 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -webkit-transform 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -moz-transform 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -o-transform 300ms cubic-bezier(0.23, 1, 0.32, 1);
}

.bar:after {
  content: "";
  position: absolute;
  left: 0px;
  top: 9px;
  width: 13px;
  -webkit-transition: all 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -webkit-transform 300ms cubic-bezier(0.23, 1, 0.32, 1);
  transition: all 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -webkit-transform 300ms cubic-bezier(0.23, 1, 0.32, 1);
  -o-transition: all 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -o-transform 300ms cubic-bezier(0.23, 1, 0.32, 1);
  -moz-transition: all 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    transform 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -moz-transform 300ms cubic-bezier(0.23, 1, 0.32, 1);
  transition: all 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    transform 300ms cubic-bezier(0.23, 1, 0.32, 1);
  transition: all 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    transform 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -webkit-transform 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -moz-transform 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -o-transform 300ms cubic-bezier(0.23, 1, 0.32, 1);
}

.bar.animate:after {
  top: 0;
  width: 24px;
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  transform: rotate(45deg);
  -webkit-transition: all 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -webkit-transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1);
  transition: all 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -webkit-transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1);
  -o-transition: all 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -o-transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1);
  -moz-transition: all 300ms cubic-bezier(0.23, 1, 0.32, 1),
    transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -moz-transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1);
  transition: all 300ms cubic-bezier(0.23, 1, 0.32, 1),
    transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1);
  transition: all 300ms cubic-bezier(0.23, 1, 0.32, 1),
    transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -webkit-transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -moz-transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -o-transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1);
}

.bar.animate:before {
  bottom: 0;
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  transform: rotate(-45deg);
  -webkit-transition: bottom 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -webkit-transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1);
  transition: bottom 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -webkit-transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1);
  -o-transition: bottom 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -o-transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1);
  -moz-transition: bottom 300ms cubic-bezier(0.23, 1, 0.32, 1),
    transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -moz-transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1);
  transition: bottom 300ms cubic-bezier(0.23, 1, 0.32, 1),
    transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1);
  transition: bottom 300ms cubic-bezier(0.23, 1, 0.32, 1),
    transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -webkit-transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -moz-transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1),
    -o-transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1);
}

#teaser p {
  font-family: var(--font-family-sans-serif);
  font-weight: 700;
  font-style: normal;
  font-size: 17px;
  font-size: 1.0625rem;
  line-height: 1.6;
  text-indent: 0;
}

code {
  font-family: var(--font-family-sans-serif);
  font-weight: 500;
  font-style: normal;
  color: var(--accent-color);
  font-size: 17px;
  font-size: 0.9375rem;
  background-image: url(../img/bg_02.gif);
  -webkit-background-size: 3px 3px;
  -moz-background-size: 3px 3px;
  background-size: 3px 3px;
  padding: 0 5px 2px 5px;
  /* text-transform: uppercase; */
  font-variant-caps: all-small-caps;
  -moz-font-feature-settings: "c2sc", "smcp";
  -webkit-font-feature-settings: "c2sc", "smcp";
  font-feature-settings: "c2sc", "smcp";
  -webkit-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -o-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -moz-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
}

@media (prefers-color-scheme: dark) {
  code {
    background-image: none;
    background-color: var(--darker-accent);
    color: var(--text-color);
  }
}

.dark code {
  background-image: none;
  background-color: var(--darker-accent);
  color: var(--text-color);
}

.subheadline-marginal-column .subheadline-marginal-column .subheadline {
  font-size: 13px;
  font-size: 0.8125rem;
  line-height: 1;
}

.code-bold {
  font-family: var(--font-family-monospace);
  font-weight: normal;
  font-style: normal;
  color: var(--text-color);
}

.code em {
  font-family: var(--font-family-monospace);
}

.code p {
  text-indent: 0;
}

.code .tagname {
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent-color);
}

.codepen {
  padding-top: 0 !important;
}

.codepen picture {
  width: 77%;
  display: inline-block;
}

.codepen .caption {
  padding: 0 0 0 0;
  position: relative;
  bottom: 0;
  left: 0;
  width: 100%;
}

.codepen .caption::before {
  content: "";
  display: block;
  border-top: 1px solid var(--text-color);
  width: 30%;
  height: 10px;
  margin-top: 1.5rem;
  margin-left: -10px;
}

header.row > div {
  margin-top: 0 !important;
}

.btn-scroll-down {
  width: 54px;
  height: 54px;
  background-image: url(../img/btn_scroll_down.png);
  background-repeat: no-repeat;
  -webkit-background-size: 54px auto;
  -moz-background-size: 54px auto;
  background-size: 54px auto;
  position: fixed;
  left: 50%;
  margin-left: -27px;
  bottom: 80px;
  cursor: pointer;
  z-index: 99999;
  -webkit-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -o-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -moz-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
}

.btn-scroll-down:hover {
  width: 58px;
  height: 58px;
  -webkit-background-size: 58px auto;
  -moz-background-size: 58px auto;
  background-size: 58px auto;
  margin-left: -29px;
}

#chapter {
  position: fixed;
  left: 0;
  bottom: 10px;
  width: 100vw;
  cursor: pointer;
}

#chapter h2 {
  font-family: var(--font-family-serif);
  font-style: normal;
  font-size: 18px;
  font-size: 1.125rem;
  font-weight: 400;
  text-align: center;
  color: var(--accent-color);
}

#chapter h3 {
  font-family: var(--font-family-serif);
  font-style: italic;
  font-size: 16px;
  font-size: 1rem;
  font-weight: 400;
  text-align: center;
}

#header_video {
  height: 100vh;
}

#header_video img {
  padding: 50px 200px;
}

#vid_container {
  overflow: scroll;
  width: 100%;
}

.content-container {
  opacity: 0;
}

footer a,
.panel a {
  color: var(--text-color);
}

footer a::before {
  content: "";
  padding-right: 0;
}

footer a:link,
.panel a {
  color: var(--text-color);
  text-decoration: none;
}

footer a:visited,
.panel a {
  color: var(--text-color);
  text-decoration: none;
}

footer a:hover,
.panel a {
  color: var(--accent-color);
  text-decoration: none;
}

footer a:active,
.panel a {
  color: var(--text-color);
  text-decoration: none;
}

.panel a {
  line-height: 1.6;
}

.panel p {
  font-family: var(--font-family-serif);
  font-weight: 400;
  font-style: normal;
  text-indent: 0rem !important;
  font-size: 16px;
  font-size: 1rem;
  line-height: 1.7;
  margin-top: 0;
  padding-right: 0;
  padding-left: 0;
}

footer #buttons li.disabled_link {
  font-family: var(--font-family-sans-serif);
  font-weight: 400;
  font-size: 16px;
  font-size: 1rem;
  color: var(--shadow-color);
  line-height: 1;
  text-decoration: none;
  cursor: default;
}

@media (prefers-color-scheme: dark) {
  .panel p {
    font-size: 16px;
    font-size: 1rem;
    line-height: 1.7;
  }
}

.dark .panel p {
  font-size: 16px;
  font-size: 1rem;
  line-height: 1.7;
}

.panel .codepen {
  margin-top: 1rem;
  margin-bottom: 1rem;
  padding: 0 0 1rem 0;
}

.panel p:first-child {
  padding-top: 1rem;
}

/* Style the accordion panel. Note: hidden by default */
div.panel {
  padding: 0 0 0 0;
  background-color: var(--background-color);
  max-height: 0;
  overflow: hidden;
  -webkit-transition: all 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
  -moz-transition: all 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
  -o-transition: all 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: all 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
}

.foray + .panel {
  background-color: var(--background-color);
  padding-top: 0;
}

.panel-row {
  overflow: hidden;
  margin: 0 0 25px 0;
  padding: 0 25px 0 0;
}

.panel-row + hr {
  margin-bottom: 25px;
}

.panel-row p,
.panel-row em {
  font-family: var(--font-family-serif);
  font-style: normal;
  font-weight: normal;
  font-size: 14px;
  font-size: 0.875rem;
  line-height: 1.5;
  overflow: hidden;
}

.panel-row em {
  color: var(--text-color);
}

.panel-row-left-column,
.panel-row-right-column {
  float: left;
}

.panel-row-left-column {
  width: 60%;
  padding: 20px 0 20px 0;
}

p.panel-row-left-column {
  font-family: var(--font-family-serif);
  line-height: 1.7;
  font-size: 16px;
  font-size: 1rem;
}

.panel-row-right-column {
  width: 40%;
  padding-left: 40px;
}

.dropdown-footer {
  padding-bottom: 30px;
  border-bottom: 1px solid var(--accent-color);
}

.dropdown-footer p:first-child {
  padding-top: 10px;
}

.dropdown-footer .links {
  font-family: var(--font-family-sans-serif);
  font-weight: 500;
  font-style: normal;
  font-size: 14px;
  font-size: 0.875rem;
  color: var(--accent-color);
  margin-bottom: 5px;
}

.dropdown-footer p {
  padding-top: 0;
  margin-top: 5px;
}

.panel p a {
  padding-left: 0;
  font-family: var(--font-family-sans-serif);
  font-weight: 400;
  font-style: normal;
  color: var(--text-color);
  font-size: 15px;
  font-size: 0.875rem;
}

.uppercase {
  text-transform: uppercase;
  color: var(--darker-accent);
}

img,
figure {
  border: none;
  width: 100%;
}

.inlineVideo iframe,
.inlineVideo object,
.inlineVideo embed,
.fullscreenVideo iframe,
.fullscreenVideo object,
.fullscreenVideo embed {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.inlineVideo {
  position: relative;
  padding-bottom: 56.25%;
  padding-top: 30px;
  height: 0;
  top: -150px;
  overflow: hidden;
}

.fullscreenVideo {
  position: relative;
  padding-bottom: 56.25%;
  padding-top: 30px;
  height: 0;
  top: 0;
  overflow: hidden;
}

.inlineVideo + p,
.fullscreenVideo + p {
  font-family: var(--font-family-serif);
  font-style: italic;
  font-weight: 400;
  font-size: 15px;
  font-size: 0.9375rem;
  color: var(--accent-color);
  width: 100%;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  max-width: 75ch;
  text-indent: 0;
  line-height: 1.5;
}

.videoInline + div {
  margin-top: -250px;
}

.videoFullscreen {
  padding: 0 0 0 0 !important;
}

.font-light {
  font-weight: 300;
}

.font-regular {
  font-weight: 400;
}

.font-heavy {
  font-weight: 700;
}

/* POSITIONING */
.left {
  text-align: left;
}

.right {
  text-align: right;
}

.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.justify {
  text-align: justify;
}

.upper-right-arrow::before {
  content: " ";
  display: inline-block;
  width: 11px;
  height: 13px;
  background-image: url(../img/upperRightArrow.svg);
  background-repeat: no-repeat;
  -webkit-background-size: 10px auto;
  -moz-background-size: 10px auto;
  background-size: 10px auto;
  margin-right: 5px;
}

.pattern {
  background-image: url(../img/bg_02.gif);
  -webkit-background-size: 6px 6px;
  -moz-background-size: 6px 6px;
  background-size: 6px 6px;
}

cite {
  color: var(--darker-accent);
  position: relative;
  cursor: pointer;
  font-weight: 500;
}

.dark cite {
  color: var(--accent-color);
  position: relative;
  cursor: pointer;
  font-weight: 500;
}

.glossary {
  font-family: var(--font-family-sans-serif);
  font-style: normal;
  font-weight: 700;
  position: absolute;
  top: 100vh;
  left: 0;
  background-color: var(--background-color);
  -webkit-box-shadow: 0 0 30px -10px var(--shadow-color);
  -moz-box-shadow: 0 0 30px -10px var(--shadow-color);
  box-shadow: 0 0 30px -10px var(--shadow-color);
  width: auto;
  padding: 25px;
  z-index: 999999;
  opacity: 0;
  line-height: 1.4;
  -webkit-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 1s;
  -o-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 1s;
  -moz-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 1s;
  transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 1s;
}

.glossary::before {
  content: " ";
  position: absolute;
  top: -15px;
  left: -3px;
  margin-left: 25px;
  -webkit-transform: rotate(180deg) translateY(0);
  border-style: solid;
  border-width: 15px 12px 0 12px;
  border-color: var(--background-color) transparent transparent transparent;
  -webkit-box-shadow: 0 0 30px -10px var(--shadow-color);
  -moz-box-shadow: 0 0 30px -10px var(--shadow-color);
  box-shadow: 0 0 30px -10px var(--shadow-color);
}

.glossary dt {
  font-family: var(--font-family-sans-serif);
  font-style: normal;
  font-weight: 700;
  color: var(--accent-color);
  display: inline;
  font-size: 13px;
  font-size: 0.8125rem;
  letter-spacing: 0.4px;
}

.glossary dd {
  font-family: var(--font-family-serif);
  font-style: normal;
  font-weight: 400;
  color: var(--text-color);
  line-height: 1.6;
  display: inline;
  font-size: 13px;
  font-size: 0.8125rem;
  letter-spacing: 0.02rem;
}

.glossary_visible {
  opacity: 1;
}

.glossary_visible::before {
  content: " ";
  -webkit-transform: unset;
  border: none;
  -webkit-box-shadow: unset;
  -moz-box-shadow: unset;
  box-shadow: unset;
}

@media (prefers-color-scheme: dark) {
  .glossary {
    background-color: var(--background-color);
    border: 1px solid var(--accent-color);
    -webkit-box-shadow: unset;
    -moz-box-shadow: unset;
    box-shadow: unset;
  }

  .glossary::before {
    content: " ";
    border-color: var(--accent-color) transparent transparent transparent;
    -webkit-box-shadow: unset;
    -moz-box-shadow: unset;
    box-shadow: unset;
  }

  .glossary dt {
    color: var(--accent-color);
  }
}

.dark .glossary {
  background-color: var(--background-color);
  border: 1px solid var(--accent-color);
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  border-radius: 5px;
  -webkit-box-shadow: unset;
  -moz-box-shadow: unset;
  box-shadow: unset;
}

.dark .glossary::before {
  content: " ";
  border-color: var(--accent-color) transparent transparent transparent;
  -webkit-box-shadow: unset;
  -moz-box-shadow: unset;
  box-shadow: unset;
}

.dark .glossary dt {
  color: var(--accent-color);
}

#close-glossary {
  font-family: var(--font-family-sans-serif);
  font-style: normal;
  font-weight: 400;
  font-size: 14px;
  font-size: 0.875rem;
  outline: none;
  background-color: transparent;
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  border-radius: 5px;
  border: 1px solid var(--accent-color);
  padding: 5px;
  width: 80vw;
  margin: 2rem auto;
  color: var(--accent-color);
  display: none;
  cursor: pointer;
}

.floating_text::before {
  content: "";
  display: block;
  border-top: 4px solid var(--accent-color);
  width: 80px;
  height: 4px;
  margin-left: 15px;
  margin-bottom: 5px;
}

.floating_text {
  font-family: var(--font-family-serif);
  font-style: normal;
  font-weight: 400;
  font-size: 24px;
  font-size: 1.5rem;
  color: var(--accent-color);
  letter-spacing: 0px;
  text-align: right;
  line-height: 2.7rem;
  display: inline-block;
  padding: 20px 20px 10px 20px;
  width: 280px;
}

.floating_text_left {
  float: left;
  text-align: right;
  margin-left: -180px;
}

.floating_text_right {
  float: right;
  text-align: left;
  margin-right: -180px;
}

.marginal {
  font-style: italic;
  margin: 0.5rem 0 0 0 !important;
  padding-left: 0;
  font-family: var(--font-family-serif);
}

.marginal::before {
  content: "";
  display: block;
  border-top: 1px solid var(--accent-color);
  width: 50%;
  margin-left: -0.25rem;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

@media (prefers-color-scheme: dark) {
  .marginal::before {
    content: "";
    display: block;
    border-top: 0.5px solid var(--accent-color);
    width: 50%;
    margin-left: -0.25rem;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
  }
}

.marginal ul,
.marginal li {
  margin-left: 0;
  list-style: none;
  padding-left: 0;
  margin-top: 0;
}

.marginal li,
.marginal li a {
  margin-bottom: 0.25rem;
  font-style: italic;
  font-weight: 400;
  font-size: 15px;
  font-size: 0.9375rem;
  line-height: 1.7;
  list-style-type: disc;
  clear: both;
  color: var(--accent-color);
}

/* .marginal li a {
  font-style: italic;
} */
.marginal li.link,
.marginal li.download {
  list-style-type: none;
  height: 15px;
}

.marginal p {
  font-family: var(--font-family-serif);
  font-weight: 400;
  font-style: italic;
  font-size: 13px;
  font-size: 0.8125rem;
  text-indent: 0;
  line-height: 1.5;
  margin-left: 0;
  /* color: var(--accent-color); */
}

.marginal em {
  color: var(--accent-color);
}

.marginal p a {
  /* font-family: var(--font-family-sans-serif); */
  font-style: italic;
  color: inherit;
  text-decoration: underline;
}

.marginal p font span {
  background-color: var(--marker-color) !important;
  font-style: normal;
}

.marginal img {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.subheadline-marginal-column {
  margin-bottom: 15px;
}

.subheadline-marginal-column .subheadline {
  font-family: var(--font-family-sans-serif);
  font-weight: 700;
  font-style: normal;
  font-size: 13px;
  font-size: 0.8125rem;
  color: var(--accent-color);
  /* text-transform: uppercase; */
  float: left;
  padding-right: 8px;
  /*	margin-bottom: 5px;*/
}

.marginal .link::after {
  content: "";
  background-image: url(../img/link_download.svg);
  background-repeat: no-repeat;
  -webkit-background-size: 16px auto;
  -moz-background-size: 16px auto;
  background-size: 16px auto;
  display: inline-block;
  width: 15px;
  height: 15px;
  position: relative;
  top: 2px;
  left: 5px;
}

.marginal .download::after {
  content: "";
  background-image: url(../img/download.svg);
  background-repeat: no-repeat;
  -webkit-background-size: 11px auto;
  -moz-background-size: 11px auto;
  background-size: 11px auto;
  display: inline-block;
  width: 15px;
  height: 15px;
  position: relative;
  top: 3px;
  left: 1px;
  margin-left: 3px;
}

/* ==== GRID SYSTEM ==== */
#container {
  position: relative;
  width: 100%;
}

.row {
  position: relative;
  width: 100%;
  max-width: 71.25em;
  margin: 0 auto;
  /* padding: 0 25px 0 25px; */
}

.no-border {
  border-bottom: none;
}

header {
  padding: 0 !important;
}

#title {
  padding: 5rem 0 0 0;
  margin-bottom: 0;
}

.outer-row {
  max-width: 100%;
}

.padding-top-0 {
  padding-top: 0;
}

.padding-top-15 {
  padding-top: 15px;
}

.padding-top-25 {
  padding-top: 25px;
}

.padding-top-50 {
  padding-top: 0;
}

.padding-top-100 {
  padding-top: 100px;
}

.padding-bottom-50 {
  padding-bottom: 50px;
}

.padding-bottom-100 {
  padding-bottom: 100px;
}

.padding-bottom-100 {
  padding-bottom: 100px;
}

.row [class^="col"] {
  float: left;
  margin: 0.5rem 0;
  min-height: 0.125rem;
}

.heading {
  padding: 0 0 0 1rem;
  margin-top: 1rem;
}

.gallery {
  margin-top: 20px;
  margin-bottom: 60px;
}

.heading .col-4 {
  margin: 0;
}

.heading h2 {
  margin: 0 0 0.5rem 0;
  padding-bottom: 0;
}

.heading + .row {
  margin-top: 0.5rem;
}

.col-1,
.col-2,
.col-3,
.col-4,
.col-5,
.col-6,
.col-7,
.col-8,
.col-9,
.col-10,
.col-11,
.col-12 {
  width: 100%;
}

.row [class="col-1"] {
  margin: 0;
  min-height: 0;
}

.col-1-sm {
  width: 12.5%;
}

.col-2-sm {
  width: 25%;
}

.col-3-sm {
  width: 37.5%;
}

.col-4-sm {
  width: 50%;
}

.col-5-sm {
  width: 62.5%;
}

.col-6-sm {
  width: 75%;
}

.col-7-sm {
  width: 87.5%;
}

.col-8-sm {
  width: 100%;
}

.row::after {
  content: "";
  display: table;
  clear: both;
}

.hidden-sm {
  display: none;
}

/* Marginal column */
.marginal-column {
  padding-left: 80px;
}

.marginal-column strong {
  font-family: var(--font-family-sans-serif);
  font-weight: 700;
  font-style: normal;
  font-size: 15px;
  font-size: 0.9375rem;
  color: var(--text-color);
}

.marginal-column p {
  font-family: var(--font-family-sans-serif);
  font-style: normal;
  font-weight: 400;
  font-size: 14px;
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.6;
  padding-top: 0.2rem;
  text-indent: 0;
}

.marginal-column p > span:first-of-type {
  display: inline-block;
  margin-top: 0.5rem;
}

.col-2-text {
  padding-left: 0;
  text-align: justify;
  -webkit-column-count: 2;
  -moz-column-count: 2;
  column-count: 2;
  -webkit-column-gap: 20px;
  -moz-column-gap: 20px;
  column-gap: 20px;
}

.col-3-text {
  padding-left: 0;
  text-align: justify;
  -webkit-column-count: 3;
  -moz-column-count: 3;
  column-count: 3;
  -webkit-column-gap: 20px;
  -moz-column-gap: 20px;
  column-gap: 20px;
}

.col-3-text p,
.col-2-text p {
  font-family: var(--font-family-serif);
  font-style: normal;
  font-weight: 400;
  font-size: 14px;
  font-size: 0.875rem;
}

/* FIGURE */
figure {
  position: relative;
  margin: 0;
}

figcaption,
.gallery_caption {
  font-family: var(--font-family-sans-serif);
  font-style: normal;
  font-weight: 400;
}

figcaption p,
.type-1-content-nav p.gallery_caption,
.type-2-content-nav p.gallery_caption,
#teaser .marginal-column .figcaption,
.marginal-column .figcaption,
.codepen .caption {
  font-family: var(--font-family-serif);
  font-style: italic;
  font-weight: 400;
  font-size: 15px;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text-color);
  text-indent: 0;
  margin: 0;
  letter-spacing: 0.02rem;
}

@media (prefers-color-scheme: dark) {
  figcaption p,
  .type-1-content-nav p.gallery_caption,
  .type-2-content-nav p.gallery_caption,
  #teaser .marginal-column .figcaption,
  .marginal-column .figcaption,
  .codepen .caption {
    font-weight: 300;
    line-height: 1.65;
  }
}

.dark figcaption p,
.dark .type-1-content-nav p.gallery_caption,
.dark .type-2-content-nav p.gallery_caption,
.dark #teaser .marginal-column .figcaption,
.dark .marginal-column .figcaption,
.dark .codepen .caption {
  font-weight: 300;
  line-height: 1.4;
}

figcaption .figure-title {
  font-family: var(--font-family-sans-serif);
  font-weight: 400;
  font-style: normal;
}

figcaption .citation {
  color: var(--accent-color);
  font-family: var(--font-family-serif);
  font-style: italic;
  font-weight: 400;
}

.type-1-content-nav p.gallery_caption {
  font-size: 14px;
  font-size: 0.875rem;
}

.type-1-content-nav p.gallery_caption .reference {
  /* color: var(--accent-color); */
  font-family: var(--font-family-sans-serif) !important;
  font-style: normal !important;
  font-weight: 400 !important;
  font-size: 14px;
  font-size: 0.875rem;
  line-height: 1.3;
}

.type-2-content-nav p.gallery_caption {
  color: var(--text-color);
}

#teaser .marginal-column p span:first-of-type,
.marginal-column p span:first-of-type {
  margin-top: 0;
}

div.owl-item figure {
  position: relative;
  background-image: url(../img/bg_02.gif);
  -webkit-background-size: 5px 5px;
  -moz-background-size: 5px 5px;
  background-size: 5px 5px;
}

@media (prefers-color-scheme: dark) {
  div.owl-item figure {
    background-image: none;
  }
}

.dark div.owl-item figure {
  background-image: none;
}

div.owl-item img {
  opacity: 0;
  -webkit-transition: opacity 0.8s cubic-bezier(0.215, 0.61, 0.355, 1);
  -moz-transition: opacity 0.8s cubic-bezier(0.215, 0.61, 0.355, 1);
  -o-transition: opacity 0.8s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: opacity 0.8s cubic-bezier(0.215, 0.61, 0.355, 1);
}

div.center img {
  opacity: 1;
}

.gallery-type-1 figcaption,
.gallery-type-2 figcaption {
  display: none;
}

.type-1-content-nav,
.type-2-content-nav {
  background-color: var(--background-color);
  height: 50px;
  width: 100%;
  padding: 15px 0 0 15px;
  position: absolute;
  left: 0;
  bottom: -15px;
  z-index: 9;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

.type-2-content-nav {
  background-color: var(--background-color);
  height: 100px;
  width: 500px;
  padding: 12px 0 0 15px;
  position: absolute;
  left: -webkit-calc(50% - 125px);
  left: -moz-calc(50% - 125px);
  left: calc(50% - 125px);
  bottom: 0;
  z-index: 9;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

.type-1-content-nav .owl-prev::after,
.type-2-btn-nav .owl-prev::after {
  content: "";
  background-image: url(../img/btn_left_gallery.svg);
  background-repeat: no-repeat;
  background-position: center;
  -webkit-background-size: 18px auto;
  -moz-background-size: 18px auto;
  background-size: 18px auto;
  width: 30px;
  height: 30px;
  display: inline-block;
  position: absolute;
  right: 30px;
  bottom: 0;
  cursor: pointer;
  -webkit-transition: all 1s;
  -o-transition: all 1s;
  -moz-transition: all 1s;
  transition: all 1s;
}

.type-1-content-nav .owl-next::after,
.type-2-btn-nav .owl-next::after {
  content: "";
  background-image: url(../img/btn_right_gallery.svg);
  background-repeat: no-repeat;
  background-position: center;
  -webkit-background-size: 18px auto;
  -moz-background-size: 18px auto;
  background-size: 18px auto;
  width: 30px;
  height: 30px;
  display: inline-block;
  position: absolute;
  right: 0;
  bottom: 0;
  cursor: pointer;
  -webkit-transition: all 1s;
  -o-transition: all 1s;
  -moz-transition: all 1s;
  transition: all 1s;
}

@media (prefers-color-scheme: dark) {
  .type-1-content-nav .owl-next::after,
  .type-2-btn-nav .owl-next::after {
    content: "";
    bottom: 5px;
  }

  .type-1-content-nav .owl-prev::after,
  .type-2-btn-nav .owl-prev::after {
    content: "";
    bottom: 5px;
  }
}

.dark .type-1-content-nav .owl-next::after,
.dark .type-2-btn-nav .owl-next::after {
  content: "";
  bottom: 5px;
  cursor: pointer;
}

.dark .type-1-content-nav .owl-prev::after,
.dark .type-2-btn-nav .owl-prev::after {
  content: "";
  bottom: 5px;
  cursor: pointer;
}

.type-2-btn-nav .owl-prev::after {
  width: 50px;
  height: 50px;
  position: absolute;
  left: 15px;
  bottom: 25%;
  z-index: 9999;
  opacity: 1;
}

.type-2-btn-nav .owl-next::after {
  width: 50px;
  height: 50px;
  position: absolute;
  right: 15px;
  bottom: 25%;
  z-index: 9999;
  opacity: 1;
}

.detail-6-col {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  border-top: 1px solid var(--text-color-lighter);
  border-bottom: 1px solid var(--text-color-lighter);
  overflow: hidden;
  padding: 70px 0 90px 0;
}

.detail-6-col figure div {
  width: 66.66666666%;
  padding-right: 35px;
  float: left;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

.detail-6-col figure figcaption {
  width: 33.33333333%;
  height: 200px;
  float: left;
  margin: -4px 0 0 0;
  padding: 0;
}

.detail-6-col figure div,
.detail-6-col figure figcaption {
  padding-top: 35px;
}

figcaption .author,
.type-1-content-nav p.gallery_caption,
#teaser .marginal-column .figcaption .author,
.marginal-column .figcaption .author {
  font-family: var(--font-family-serif);
  font-style: italic;
  font-weight: normal;
  font-size: 14px;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-color);
  max-width: 80%;
}

.type-1-content-nav p.gallery_caption::first-line {
  color: var(--text-color);
}

.figure_4_col figcaption {
  padding-top: 1rem;
  padding-bottom: 0;
}

.figure_4_col figcaption::before {
  content: "";
  display: block;
  border-top: 1px solid var(--text-color);
  width: 30%;
  height: 10px;
  margin-top: 1.5rem;
  margin-left: -10px;
}

.figure_4_col figcaption {
  margin-left: 0;
  padding-right: 0;
}

.figure_4_col img {
  padding: 1rem 0;
}

.figure_6_col {
  padding-top: 80px;
}

.figure_6_col figcaption::before {
  content: "";
  display: block;
  border-top: 2px solid var(--text-color);
  width: 30%;
  height: 10px;
  margin-top: 1.5rem;
  margin-left: -10px;
}

.figure_8_col figcaption {
  padding: 0 0 0 0;
  position: relative;
  bottom: 0;
  left: 0;
  width: 100%;
}

.figure_8_col figcaption p::before {
  content: "";
  display: block;
  border-top: 1px solid var(--text-color);
  width: 30%;
  height: 10px;
  margin-top: 1.5rem;
  margin-left: -10px;
}

.figure_8_col img {
  max-width: 100%;
}

/* .figure_8_col p,
.figure_8_col .author {
  color: var(--text-color);
} */
/* FIGURES */
.figure {
  margin: 20px 0 20px 0;
  overflow: hidden;
}

.box {
  font-family: var(--font-family-sans-serif);
  font-size: 24px;
  font-size: 1.5rem;
  font-weight: normal;
  width: 32%;
  margin-right: 2%;
  height: 100px;
  float: left;
  background-color: var(--background-color);
  -webkit-display: flex;
  -moz-display: flex;
  -ms-display: flex;
  display: -webkit-box;
  display: flex;
  -webkit-justify-content: center;
  -moz-justify-content: center;
  -ms-justify-content: center;
  -webkit-box-pack: center;
  -moz-box-pack: center;
  justify-content: center;
  -webkit-align-items: center;
  -moz-align-items: center;
  -ms-align-items: center;
  -webkit-box-align: center;
  -moz-box-align: center;
  align-items: center;
}

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

#figure-01 {
  position: relative;
  height: 470px;
  padding: 40px;
}

.fig-title {
  height: 50px;
  border-left: dashed 1px var(--darker-accent);
  padding-left: 8px;
  margin-bottom: 10px;
  background-color: transparent;
  -webkit-justify-content: flex-start;
  -moz-justify-content: flex-start;
  -ms-justify-content: flex-start;
  -webkit-box-pack: start;
  -moz-box-pack: start;
  justify-content: flex-start;
  -webkit-align-items: flex-start;
  -moz-align-items: flex-start;
  -ms-align-items: flex-start;
  -webkit-box-align: start;
  -moz-box-align: start;
  align-items: flex-start;
}

.fig-title em {
  font-size: 14px;
  color: var(--darker-accent);
}

.text {
  background-color: transparent;
}

.text em {
  font-family: var(--font-family-serif);
}

#figure-01 .fig-title:nth-child(1) {
  position: absolute;
  top: 80px;
  left: 46px;
}

#figure-01 .fig-title:nth-child(2) {
  position: absolute;
  left: 130px;
  top: 320px;
  -webkit-align-items: flex-end;
  -moz-align-items: flex-end;
  -ms-align-items: flex-end;
  -webkit-box-align: end;
  -moz-box-align: end;
  align-items: flex-end;
}

#figure-01 .code {
  margin-top: 100px;
  text-indent: 0;
}

table caption {
  font-family: var(--font-family-sans-serif);
  font-size: 18px;
  font-size: 1.125rem;
  color: var(--accent-color);
  font-weight: normal;
  font-style: normal;
  line-height: 1.6;
  padding-left: 5px;
  padding-bottom: 0.5rem;
  letter-spacing: 0.4px;
  -webkit-hyphens: none;
  -moz-hyphens: none;
  -ms-hyphens: none;
  hyphens: none;
  margin: 1em 0 0 0;
  text-align: left;
  border-bottom: 2px dotted var(--text-color);
}

table th {
  font-family: var(--font-family-sans-serif);
  font-weight: normal;
  font-style: normal;
  color: var(--text-color);
  width: 25%;
  text-align: left;
  padding-left: 5px;
}

table tr {
  width: 75%;
  height: 30px;
}

/* FOOTER */
#infos {
  padding-bottom: 50px;
}

#infos li {
  font-size: 14px;
  font-size: 0.875rem;
  font-weight: 500;
}

#infos li a {
  font-weight: inherit;
}

footer.row {
  padding: 25px 0 0 0;
  margin-bottom: 0;
}

footer nav {
  padding-top: 40px;
}

footer #buttons,
footer #infos {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding-bottom: 0;
  margin-left: 0;
}

footer #buttons {
  border-top: 0.5px solid var(--text-color-lighter);
}

footer #infos {
  padding: 35px 0;
}

footer li {
  display: inline;
}

footer li a {
  font-family: var(--font-family-sans-serif);
  font-style: normal;
  font-weight: 300;
  color: var(--accent-color);
}

footer #buttons li a,
footer #buttons li a:link,
footer #buttons li a:visited {
  font-weight: 300;
  font-size: 16px;
  font-size: 1rem;
  color: var(--text-color);
  line-height: 1.5;
  text-decoration: none;
}

footer #buttons li a:hover,
footer #buttons li a:active {
  color: var(--accent-color);
  text-decoration: none;
}

footer #btn_prev,
footer #btn_next,
footer #btn_top {
  cursor: pointer;
}

footer #btn_prev img,
footer #btn_next img {
  width: 25px;
  -webkit-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -o-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -moz-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
}

footer #btn_prev img.btn_enabled:hover,
footer #btn_next img.btn_enabled:hover {
  width: 28px;
}

.btn_disabled {
  opacity: 0.6;
}

footer #btn_top img {
  width: 30px;
  margin: 0 80px 0 80px;
  -webkit-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -o-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  -moz-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
}

footer #btn_top img:hover {
  width: 50px;
}

footer #infos {
  border-top: 0.5px solid var(--text-color-lighter);
}

footer #buttons li {
  padding: 0 0 0 0;
  width: 50%;
  text-align: center;
  height: 128px;
  margin: 0;
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: flex;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -moz-box-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -moz-box-align: center;
  align-items: center;
}

footer #buttons li:first-child {
  border-right: 0.5px solid var(--text-color-lighter);
}

@media (prefers-color-scheme: dark) {
  footer #buttons li:first-child {
    border-right: 0.25px solid var(--text-color-lighter);
  }
}

.dark footer #buttons li:first-child {
  border-right: 0.25px solid var(--text-color-lighter);
}

footer #infos li:nth-child(2) {
  padding: 0 1rem 0 1rem;
}

footer #infos li:nth-child(1),
footer #infos li:nth-child(3) {
  padding: 0 0 0 0;
}

footer ul {
  -webkit-display: flex;
  -moz-display: flex;
  -ms-display: flex;
  display: -webkit-box;
  display: flex;
  -webkit-justify-content: center;
  -moz-justify-content: center;
  -ms-justify-content: center;
  -webkit-box-pack: center;
  -moz-box-pack: center;
  justify-content: center;
  -webkit-align-items: center;
  -moz-align-items: center;
  -ms-align-items: center;
  -webkit-box-align: center;
  -moz-box-align: center;
  align-items: center;
}

/* VIDEO */
#set-height {
  display: block;
  height: 250000px;
}

#v0 {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
}

video {
  width: 500px;
}

/* ACCORDION */
/* Style the buttons that are used to open and close the accordion panel */
button.accordion {
  font-family: var(--font-family-sans-serif);
  font-style: normal;
  font-weight: 500;
  font-size: 14px;
  font-size: 0.875rem;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background-color: var(--background-color);
  color: var(--accent-color);
  cursor: pointer;
  padding: 20px 18px 20px 0;
  width: 100%;
  text-align: left;
  border: none;
  border-bottom: 1px solid var(--accent-color);
  outline: none;
  position: relative;
  -webkit-transition: 0.4s;
  -o-transition: 0.4s;
  -moz-transition: 0.4s;
  transition: 0.4s;
  padding-left: 0.5rem;
}

button.accordion svg {
  fill: var(--accent-color);
  width: 24px;
  height: 24px;
  position: absolute;
  right: 20px;
  top: 18px;
  -webkit-transition: transform 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
  -moz-transition: transform 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
  -o-transition: transform 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
  -webkit-transition: -webkit-transform 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: -webkit-transform 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
  -o-transition: -o-transform 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
  -moz-transition: transform 0.5s cubic-bezier(0.215, 0.61, 0.355, 1),
    -moz-transform 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: transform 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: transform 0.5s cubic-bezier(0.215, 0.61, 0.355, 1),
    -webkit-transform 0.5s cubic-bezier(0.215, 0.61, 0.355, 1),
    -moz-transform 0.5s cubic-bezier(0.215, 0.61, 0.355, 1),
    -o-transform 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
}

button.accordion.chapter-nav {
  text-transform: none;
  color: var(--text-color);
  border-bottom: none;
  padding: 0 18px 20px 0;
}

button.accordion.chapter-nav::after {
  content: "";
  border-bottom: 0.5px solid var(--text-color);
  width: 105%;
  height: 10px;
  position: absolute;
  left: -2.5%;
  top: 0.5rem;
  display: block;
  margin-top: 3rem;
  margin-bottom: 5rem;
}

button.accordion.chapter-nav::after {
  content: "";
  border-bottom: 0.5px solid var(--text-color);
  width: 105%;
  height: 10px;
  position: absolute;
  left: -2.5%;
  top: 0.5rem;
  display: block;
  margin-top: 1.5rem;
  margin-bottom: 0rem;
}

button.accordion.chapter-nav svg {
  width: 12px;
  height: 12px;
  position: static;
  right: auto;
  margin-top: 0.25rem;
  margin-left: 0.75rem;
  fill: var(--text-color);
}

button.accordion.active svg {
  -webkit-transform: rotate(180deg);
  -moz-transform: rotate(180deg);
  -o-transform: rotate(180deg);
  transform: rotate(180deg);
}

/* Add a background color to the button if it is clicked on (add the .active class with JS), and when you move the mouse over it (hover) */
button.accordion.active,
button.accordion:hover {
  background-color: var(--background-color);
}

/* chapter-nav */
.chapter-nav + .panel-nav {
  height: 0;
  display: none;
  position: relative;
}

.chapter-nav + .panel-nav ul {
  list-style: none;
  margin-left: 0;
  margin-top: 0;
  max-width: none;
}

.chapter-nav + .panel-nav li::before {
  content: "";
  color: transparent;
  font-weight: bold;
  display: none;
  width: 0;
  margin-left: 0;
}

.chapter-nav + .panel-nav li {
  position: relative;
  max-width: none;
  margin-bottom: 0;
}

.chapter-nav + .panel-nav li {
  padding: 1.5rem 0 1rem 6rem;
}

.chapter-nav + .panel-nav li a {
  color: var(--text-color);
  font-family: var(--font-family-sans-serif);
  font-weight: 400;
}

.chapter-nav + .panel-nav li a:hover {
  text-decoration: none;
  color: var(--accent-color);
}

.chapter-nav + .panel-nav li:first-child::after,
.chapter-nav + .panel-nav li:not(:first-child)::after {
  content: "";
  border-bottom: 0.25px solid var(--text-color);
  width: 105%;
  position: absolute;
  left: -2.5%;
  top: 2.5rem;
  display: block;
  margin-top: 1.75rem;
  margin-bottom: 1.5rem;
}

.chapter-nav + .panel-nav li:not(:first-child)::after {
  content: "";
  top: 3rem;
  margin-top: 1.5rem;
}

/* Glossary */
#search-term {
  font-family: var(--font-family-sans-serif);
  font-style: normal;
  font-weight: 500;
  font-size: 14px;
  font-size: 0.875rem;
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: flex;
  -webkit-box-pack: start;
  -webkit-justify-content: flex-start;
  -moz-box-pack: start;
  justify-content: flex-start;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 1rem 0 0 0;
  width: 95%;
}

#search-term li {
  display: inline;
  font-family: inherit;
  font-weight: inherit;
  cursor: pointer;
  color: var(--text-color-lighter);
  width: 20%;
  text-align: center;
}

#search-term li:hover {
  color: var(--accent-color);
}

#search-term li.active {
  color: var(--accent-color);
}

#glossary,
#downloads {
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: flex;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
  -moz-box-pack: justify;
  justify-content: space-between;
  margin-top: 4rem;
  width: 95%;
}

.glossary-item {
  width: 100%;
  min-height: 150px;
  background-color: var(--background-color);
  border: 0.5px solid transparent;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  border-radius: 10px;
  padding: 25px;
  margin-bottom: 25px;
  margin-right: 0;
  -webkit-box-shadow: 0 0 0 1px hsla(0, 0%, 80%, 0.5);
  -moz-box-shadow: 0 0 0 1px hsla(0, 0%, 80%, 0.5);
  box-shadow: 0 0 0 1px hsla(0, 0%, 80%, 0.5);
  display: block;
}

#downloads .glossary-item {
  min-height: auto;
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: flex;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
  -moz-box-pack: justify;
  justify-content: space-between;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -moz-box-align: center;
  align-items: center;
}

#downloads .glossary-item h3 {
  margin-top: 0;
  margin-bottom: 0;
}

#downloads .glossary-item h3 span {
  font-weight: 300;
}

#downloads .glossary-item svg {
  width: 20px;
}

@media (prefers-color-scheme: dark) {
  .glossary-item {
    -webkit-box-shadow: 0 0 5px 1px transparent;
    -moz-box-shadow: 0 0 5px 1px transparent;
    box-shadow: 0 0 5px 1px transparent;
    background-color: transparent;
    border: 0.5px solid var(--accent-color);
  }
}

.dark .glossary-item {
  -webkit-box-shadow: 0 0 5px 1px transparent;
  -moz-box-shadow: 0 0 5px 1px transparent;
  box-shadow: 0 0 5px 1px transparent;
  background-color: transparent;
  border: 0.5px solid var(--accent-color);
}

.glossary-item h3 {
  font-size: 18px;
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.3;
  color: var(--accent-color);
  margin-bottom: 0.5rem;
}

.glossary-item p {
  font-family: var(--font-family-sans-serif);
  font-style: normal;
  font-weight: 400;
  line-height: 1.45rem;
  text-indent: 0;
}

@media (prefers-color-scheme: dark) {
  .glossary-item p {
    font-weight: 300;
  }
}

.dark .glossary-item {
  font-weight: 300;
}

.glossary-item p.more a {
  font-family: inherit;
  font-weight: 400;
  margin-top: 1rem;
  color: var(--accent-color);
}

blockquote p {
  font-family: var(--font-family-sans-serif);
  font-style: normal;
  font-weight: 400;
  font-size: 21px;
  font-size: 1.3125rem;
  line-height: 1.5;
  color: var(--accent-color);
}

blockquote em {
  font-size: 16px;
  font-size: 1rem;
  line-height: 1.7;
}

@media (prefers-color-scheme: dark) {
  blockquote em {
    color: var(--accent-color);
  }
}

.dark blockquote em {
  color: var(--accent-color);
}

blockquote p::before {
  content: "";
  display: inline-block;
  width: 100%;
  height: 10px;
  margin-bottom: 1rem;
  border-top: 1px solid var(--accent-color);
}

blockquote p::after {
  content: "";
  display: inline-block;
  width: 100%;
  height: 10px;
  margin-top: 1rem;
  border-bottom: 1px solid var(--accent-color);
}

@media only screen and (min-width: 33.75em) {
  /* 540px */
  .content-container {
    width: 100%;
  }
}

/* bis 720px */
@media only screen and (max-width: 45em) {
  .codepen picture {
    width: 100%;
  }
}

/* 720px */
@media only screen and (min-width: 45em) {
  .col-1,
  .col-2,
  .col-3,
  .col-4,
  .col-5,
  .col-6,
  .col-7,
  .col-8,
  .col-9,
  .col-10,
  .col-11,
  .col-12 {
    width: 92.5%;
  }

  .Inputfields {
    /* width: 50%; */
  }

  #LoginRegister .Inputfield:not(.InputfieldSubmit) {
    width: 100%;
  }

  #chapter-menu {
    left: -webkit-calc(100% - 55px);
    left: -moz-calc(100% - 55px);
    left: calc(100% - 55px);
    border-left: 0.5px solid var(--text-color);
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    -moz-transition: all 1s;
    transition: all 1s;
  }

  #chapter-menu.divider-visible {
    border-left: 0.5px solid transparent;
  }

  /* @media (prefers-color-scheme: dark) {
    .chapter-header-group h2.locked {
      font-weight: 100;
    }
  } */
  /* .dark .chapter-header-group h2.locked {
    font-weight: 100;
  } */
  .lock {
    width: 20px;
  }

  #title {
    padding: 15rem 0 0 0;
  }

  #title h1 {
    font-weight: 300;
    font-size: 65px;
    font-size: 4.0625rem;
    line-height: 1.1;
    margin-bottom: 0;
  }

  #title h2 {
    font-weight: 400;
    font-size: 16px;
    font-size: 1rem;
  }

  #title p {
    font-weight: 400;
    font-size: 20px;
    font-size: 1.25rem;
    line-height: 1.5;
    margin-top: 1.5rem;
    -webkit-hyphens: none;
    -moz-hyphens: none;
    -ms-hyphens: none;
    hyphens: none;
  }

  #title p::after {
    content: "";
    border-bottom: 0.5px solid var(--text-color-lighter);
    width: 105%;
    left: -2.5%;
    top: 3rem;
    margin-bottom: 4.5rem;
  }

  #menu-links {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: flex;
    top: 20px;
    right: 80px;
  }

  #menu-links li:not(:last-child) {
    margin-right: 15px;
  }

  .chapter-elem {
    height: 144px;
  }

  .chapter-header-group h3 {
    font-size: 16px;
    font-size: 1rem;
    line-height: 1.5rem;
    margin-left: 75px;
  }

  .divider-visible .chapter-header-group h3 {
    margin-left: 50px;
  }

  .chapter-header-group h2 {
    font-size: 32px;
    font-size: 2rem;
    padding-left: 20vw;
    padding-top: 5px;
    margin-bottom: 0;
    line-height: 1.5rem;
  }

  #nav {
    -webkit-box-shadow: 0 0 5px 1px transparent;
    -moz-box-shadow: 0 0 5px 1px transparent;
    box-shadow: 0 0 5px 1px transparent;
    background-color: transparent;
    /* background-color: var(--background-color); */
  }

  #nav h1 {
    left: 50px;
  }

  #nav button {
    right: 12px;
  }

  #subnav {
    display: block;
  }

  .heading h2 {
    margin: 0 0 0.5rem 3rem;
    padding-bottom: 0;
    max-width: 30ch;
  }

  p,
  ul,
  ol,
  li {
    font-size: 16px;
    font-size: 1rem;
    text-indent: 1.9rem;
    -webkit-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
    -o-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
    -moz-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
    transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  }

  li {
    text-indent: 0;
  }

  p + p {
    text-indent: 1.5rem;
  }

  #wrapper {
    padding: 0 5vw 0 5vw;
  }

  #title + .row,
  #title.row {
    margin-top: 2rem;
  }

  .heading {
    padding: 25px 0 0 0;
    margin: 0 auto;
  }

  .row h2 {
    line-height: 1.6;
  }

  .row h2.exercise:before,
  .row h2.exercise2:before,
  .row h2.note:before {
    content: "";
    margin-left: -55px;
  }

  /* .figure_8_col img {
    max-width: 95%;
  } */
  .figure_8_col figcaption::before {
    content: "";
    width: 40%;
    margin-left: -20px;
  }

  .figure_4_col figcaption::before {
    margin-left: -20%;
    padding-right: 20%;
  }

  .figure_4_col figcaption::before {
    content: "";
    width: 40%;
    margin-left: -20px;
  }

  .marginal {
    margin: 0.5rem 0 0 0 !important;
  }

  .marginal::before {
    content: "";
    display: none;
  }

  .marginal li,
  .marginal li a {
    font-size: 13px;
    font-size: 0.8125rem;
    line-height: 1.5;
  }

  button.accordion {
    font-weight: 500;
    font-size: 16px;
    font-size: 1rem;
    padding: 35px 18px 20px 0;
  }

  button.accordion.chapter-nav {
    padding: 0 18px 20px 0;
  }

  button.accordion svg {
    top: 45%;
  }

  .glossary {
    width: 500px;
  }

  .glossary_visible::before {
    content: " ";
    position: absolute;
    top: -15px;
    left: -3px;
    margin-left: 25px;
    -webkit-transform: rotate(180deg) translateY(0);
    border-style: solid;
    border-width: 15px 12px 0 12px;
    border-color: var(--background-color) transparent transparent transparent;
    -webkit-box-shadow: 0 0 30px -10px var(--shadow-color);
    -moz-box-shadow: 0 0 30px -10px var(--shadow-color);
    box-shadow: 0 0 30px -10px var(--shadow-color);
  }

  .glossary-item {
    width: 100%;
  }

  figcaption .author,
  .type-1-content-nav p.gallery_caption,
  #teaser .marginal-column .figcaption .author,
  .marginal-column .figcaption .author {
    font-size: 14px;
    font-size: 0.875rem;
    line-height: 1.5;
  }

  figcaption p,
  .type-1-content-nav p.gallery_caption,
  .type-2-content-nav p.gallery_caption,
  #teaser .marginal-column .figcaption,
  .marginal-column .figcaption,
  .codepen .caption {
    font-size: 14px;
    font-size: 0.875rem;
  }

  .type-1-content-nav,
  .type-2-content-nav {
    width: 585px;
    height: 85px;
    left: -webkit-calc(50% - 125px);
    left: -moz-calc(50% - 125px);
    left: calc(50% - 125px);
    -webkit-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
    -o-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
    -moz-transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
    transition: all cubic-bezier(0.215, 0.61, 0.355, 1) 0.5s;
  }

  .type-1-content-nav,
  .type-2-content-nav {
    background-color: var(--background-color);
    height: 50px;
    width: 85%;
    padding: 15px 0 0 15px;
    position: absolute;
    left: 20px;
    bottom: 0;
    z-index: 9;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
  }

  .type-1-content-nav .owl-prev::after,
  .type-2-btn-nav .owl-prev::after {
    content: "";
    background-image: url(../img/btn_left_gallery.svg);
    background-repeat: no-repeat;
    background-position: center;
    -webkit-background-size: 18px auto;
    -moz-background-size: 18px auto;
    background-size: 18px auto;
    width: 30px;
    height: 30px;
    display: inline-block;
    position: absolute;
    right: 55px;
    bottom: 0;
    cursor: pointer;
  }

  .type-1-content-nav .owl-next::after,
  .type-2-btn-nav .owl-next::after {
    content: "";
    background-image: url(../img/btn_right_gallery.svg);
    background-repeat: no-repeat;
    background-position: center;
    -webkit-background-size: 18px auto;
    -moz-background-size: 18px auto;
    background-size: 18px auto;
    width: 30px;
    height: 30px;
    display: inline-block;
    position: absolute;
    right: 15px;
    bottom: 0;
    cursor: pointer;
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    -moz-transition: all 1s;
    transition: all 1s;
  }

  @media (prefers-color-scheme: dark) {
    .type-1-content-nav,
    .type-2-content-nav {
      border-top: 0.5px solid var(--text-color);
      width: 90%;
      left: 0;
    }
  }

  .dark .type-1-content-nav,
  .dark .type-2-content-nav {
    border-top: none;
    width: 90%;
    left: 0;
  }

  .type-1-content-nav p.gallery_caption .reference {
    /* color: var(--accent-color); */
    font-family: var(--font-family-sans-serif) !important;
    font-style: normal !important;
    font-weight: 400 !important;
    font-size: 15px;
    font-size: 0.9375rem;
  }

  #glossary {
    width: 95%;
  }

  #downloads {
    width: 75%;
  }

  .glossary-item {
    width: 30%;
    min-height: 250px;
  }

  #downloads .glossary-item {
    width: 100%;
    min-height: auto;
  }

  #search-term {
    margin: 0 0 0 0;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -moz-box-pack: justify;
    justify-content: space-between;
    -webkit-flex-wrap: nowrap;
    flex-wrap: nowrap;
    width: 75%;
  }

  #glossary {
    width: 100%;
    padding: 0 50px 0 0;
  }

  #search-term li {
    width: auto;
  }

  #infos li {
    font-size: 16px;
    font-size: 1rem;
    font-weight: 400;
  }

  footer #buttons,
  footer #infos {
    width: -webkit-calc(100vw - 55px);
    width: -moz-calc(100vw - 55px);
    width: calc(100vw - 55px);
    max-width: -webkit-calc(100vw - 55px);
    max-width: -moz-calc(100vw - 55px);
    max-width: calc(100vw - 55px);
    margin: 0 auto;
    padding-bottom: 0;
    margin-left: 0;
  }
}

/* ab 1024px */
@media only screen and (min-width: 65em) {
  .chapter-header-group h2 {
    font-size: 48px;
    font-size: 3rem;
    padding-left: 20vw;
    padding-top: 5px;
    margin-bottom: 0;
    line-height: 1.5rem;
  }

  .chapter-header-group h2.locked {
    font-weight: 200;
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    -moz-transition: all 1s;
    transition: all 1s;
  }

  .col-1 {
    width: 12.5%;
    margin: 0.5rem;
    min-height: 0.125rem;
  }

  .col-2 {
    width: 25%;
  }

  .col-3 {
    width: 37.5%;
  }

  .col-4 {
    width: 50%;
  }

  .col-5 {
    width: 62.5%;
  }

  .col-6 {
    width: 75%;
  }

  .col-7 {
    width: 87.5%;
  }

  .col-8 {
    width: 95%;
  }

  .row {
    margin: 2rem auto;
  }

  .heading {
    margin: 0 auto;
  }

  .hidden-sm {
    display: block;
  }

  /* .videoFullscreen {
    padding: 100px 0 100px 0 !important;
  } */
  .gallery {
    margin-bottom: 80px;
  }

  @media (prefers-color-scheme: dark) {
    .type-1-content-nav,
    .type-2-content-nav {
      border-top: 0.5px solid var(--text-color);
      width: 100%;
      left: 0;
    }
  }

  .dark .type-1-content-nav,
  .dark .type-2-content-nav {
    border-top: none;
    width: 100%;
    left: 0;
  }

  .panel p {
    font-size: 17px;
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-top: 0;
    padding-right: 15%;
    padding-left: 3rem;
  }

  .panel p:first-child {
    padding-top: 1.5rem;
  }

  .panel .codepen {
    padding: 20px 10% 20px 3rem;
  }

  .codepen .caption::before {
    content: "";
    display: block;
    border-top: 1px solid var(--text-color);
    width: 30%;
    height: 10px;
    margin-top: 1.5rem;
    margin-left: -10px;
  }

  .figure_8_col figcaption {
    padding: 15px 0 0 0;
    width: 75%;
  }

  .figure_8_col img {
    width: 95%;
  }

  .marginal {
    padding-left: 6.25%;
  }

  .padding-top-50 {
    padding-top: 0;
  }

  .chapter-header-group h2 {
    font-weight: 300;
    font-size: 65px;
    font-size: 4.0625rem;
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    -moz-transition: all 1s;
    transition: all 1s;
  }

  .chapter-header-group h2 a:hover,
  .chapter-header-group h2 a:active {
    font-weight: 300;
  }

  @media (prefers-color-scheme: dark) {
    .chapter-header-group h2 {
      font-weight: 200;
    }
  }

  .dark .chapter-header-group h2 {
    font-weight: 200;
  }

  .glossary-item {
    width: 18%;
  }

  footer nav {
    padding-top: 100px;
  }

  footer #buttons li a,
  footer #buttons li a:link,
  footer #buttons li a:visited {
    font-size: 32px;
    font-size: 2rem;
  }

  footer #buttons li.disabled_link {
    font-weight: 300;
    font-size: 32px;
    font-size: 2rem;
  }

  footer #infos li:nth-child(2) {
    padding: 0 50px 0 50px;
  }
}

/* ab 1140px */
@media only screen and (min-width: 71.25em) {
  /* 1140px */
  .content-container {
    width: 100%;
    margin: 0 auto;
  }
}