:root {
  --logo-height: 32px;
  --logo-top: 0.5em;
  --logo-top-with-navigation: 3.5em;

  --navigation-burger-height: 58px;
  --navigation-top: 1em;
  --navigation-color: #63738f;

  --box-border-width: 2px;
  --box-content-margin: 1em;
}

.debug {
  outline: 1px solid #f00;
}

html {
  box-sizing: border-box;
}

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

html, body {
  line-height: 1.3;
  height: 100%;
}

body {
  color: #fff;
  margin: 0;
  padding: 0;
  font-family: lucida console, andale mono, verdana, sans-serif;
  background: url(../../cv6/images/c-base_raumstation.gif) 50% calc(var(--navigation-burger-height) + var(--logo-top)) no-repeat, url(../../cv6/images/stars_bg.jpg) no-repeat, #5a7a8e;
}

.container {
  margin: 0 auto;
  max-width: 1200px;
  padding: 0 1em;
  width: 100%;
}

a:link, a:visited {
  color: #FF9900;
  text-decoration: none;
}

a:hover, a:active {
  color: #FF9900;
  text-decoration: underline;
}

a.button {
  display: inline-block;
  padding: 0.5em 1.2em;
  color: #ff9900;
  background-color: #22374c;
  text-decoration: none;
  opacity: .9;
  border: 2px solid #46b6ee;
  margin: 0.3em;
}

a.button:link, a.button:visited {
  background-color: #22374c;
}

a.button:hover, a.button:active {
  opacity: 1;
  background-color: #0c1c2a;
}

a.button.full-width {
  display: block;
  text-align: center;
  margin-left: 0;
  margin-right: 0;
}

.bold {
  font-weight: bold;
}

.center {
  text-align: center;
}

.margin-right {
  margin-right: 1em;
}

.margin-bottom-extra {
  margin-bottom: 1.5em;
}

.box-padding {
  padding: 1em;
}

.row {
  display: flex;
  flex: 0 1 auto;
  flex-flow: row;
}

.row.wrap {
  flex-flow: row wrap;
}

.row.vertical-center {
  align-items: center;
}

.column-grow {
  flex-grow: 1;
}

.content-block + .content-block {
  margin-top: 2em;
}

.navigation {
  text-align: right;
  width: 100%;
  color: var(--navigation-color);
}

.navigation ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.navigation li a {
  color: var(--navigation-color);
  display: block;
  padding: 1em;
  text-decoration: none;
}

.navigation li a:hover,
.navigation .menu-btn:hover {
  color: #9ba8bf;
  background-color: #111;
}

.navigation .menu {
  text-align: left;
  position: absolute;
  top: 0;
  left: 0;
  padding-top: 58px;
  width: 100%;
  background-color: #000;
  z-index: 100;
  display: none;
}

.navigation .menu-icon {
  cursor: pointer;
  display: inline-block;
  padding: 28px 20px;
  position: relative;
  user-select: none;
  background: #000;
  z-index: 101;
}

.navigation .menu-icon .navicon {
  background: var(--navigation-color);
  display: block;
  height: 2px;
  position: relative;
  transition: background .2s ease-out;
  width: 18px;
}

.navigation .menu-icon .navicon:before,
.navigation .menu-icon .navicon:after {
  background: var(--navigation-color);
  content: '';
  display: block;
  height: 100%;
  position: absolute;
  transition: all .2s ease-out;
  width: 100%;
}

.navigation .menu-icon .navicon:before {
  top: 5px;
}

.navigation .menu-icon .navicon:after {
  top: -5px;
}

.navigation .menu-button {
  display: none;
}

.navigation .menu-button:checked ~ .menu {
  display: block;
}

.navigation .menu-button:checked ~ .menu-icon .navicon {
  background: transparent;
}

.navigation .menu-button:checked ~ .menu-icon .navicon:before {
  transform: rotate(-45deg);
}

.navigation .menu-button:checked ~ .menu-icon .navicon:after {
  transform: rotate(45deg);
}

.navigation .menu-button:checked ~ .menu-icon:not(.steps) .navicon:before,
.navigation .menu-button:checked ~ .menu-icon:not(.steps) .navicon:after {
  top: 0;
}

@media screen and (min-width: 64em) {
  body {
    background: url(../../cv6/images/c-base_raumstation.gif) 50% var(--logo-top-with-navigation) no-repeat, url(../../cv6/images/stars_bg.jpg) no-repeat, #5a7a8e;
  }

  .navigation {
    margin: 0 auto;
    max-width: 1200px;
    padding: 0 1em;
    width: 100%;
    margin-top: var(--navigation-top);
  }

  .navigation .menu-icon {
    display: none;
  }

  .navigation .menu {
    text-align: right;
    position: static;
    padding: 0;
    width: auto;
    background: none;
    display: block;
  }

  .navigation li {
    display: inline;
  }

  .navigation li a {
    display: inline;
    padding: 0;
    text-decoration: none;
  }

  .navigation li a:hover,
  .navigation .menu-btn:hover {
    color: #9ba8bf;
    background-color: #111;
    text-decoration: underline;
  }

  .navigation li + li::before {
    content: " | ";
  }

  .navigation a:hover, .navigation a:active {
    text-decoration: underline;
    color: #9ba8bf;
  }

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

.modal {
  display: none;
}

.modal.is-open {
  display: block;
}

.dialog-overlay {
  position: fixed;
  z-index: 200;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgb(0, 0, 0);
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2em;
}

.dialog {
  max-height: 100%;
  overflow: auto;
  background-color: #5A798E;
  border: 1px solid #46b6ee;
  padding: 0.2em;
}

.dialog header {
  background-color: #22374C;
  border: 1px solid #46b6ee;
  display: flex;
  align-items: center;
}

.dialog header h2 {
  font-size: 1em;
  font-weight: normal;
  color: #ff9900;
  margin: 0;
  padding: 0.5em 1em;
  flex-grow: 1;
}

.dialog header button {
  font-weight: bold;
  padding: 0.3em 0.5em;
  margin: 0.3em;
  color: #ff9900;
  background-color: #22374c;
  text-decoration: none;
  opacity: .9;
  border: 1px solid #46b6ee;
  border-radius: 3px;
  cursor: pointer;
  user-select: none;
}

.dialog header button:hover {
  background-color: #0c1c2a;
  opacity: 1;
}

.dialog header .close:hover {
  color: #FF9900;
}

.dialog .content {
  padding: 1em;
}