* {
  box-sizing: content-box;
}

body {
  font-family: Helvetica, Arial, sans-serif;
  transition: 1s ease-out;
  margin: 0;
}

.row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  overflow: hidden;
}

/*Kontakt, Downloads, Impressum, Datenschutz*/
.row_hidden{
  flex-wrap: wrap;
  justify-content: center;
  overflow: hidden;
  display: none;
  min-height: 90vh;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: center;
  position: sticky;
  top: 0;
  height: 5vh;
  box-shadow: rgba(60, 64, 67, 0.3) 0px 1px 2px 0px, rgba(60, 64, 67, 0.15) 0px 1px 3px 1px;
  padding: 20px;
  z-index: 1000;
  background-color: #ffffff;
  transition: 1s ease-out;
}

.btn_header {
  width: auto;
  height: auto;
  font-size: 150%;
  border: 1px solid #000;
  background-color: #fff;
  color: black;
  cursor: pointer;
  padding: 0.5em;
  transition: 1s ease-out;
  display: block;
}

.column {
  float: none;
  width: 50%;
  display: flex;
  position: relative;
  text-align: center;
}


.column.fullwidth {
  flex-wrap: wrap;
  width: 90%;
  margin: 5%;
  height: auto;
  display: flex;
  position: relative;
  box-shadow: none;
  justify-content: center;
  align-items: flex-start;
}

.column.kontakt {
  flex-wrap: wrap;
  width: 90%;
  margin: 1%;
  height: auto;
  display: flex;
  position: relative;
  box-shadow: none;
  justify-content: center;
  align-items: flex-start;
}

.details_claim {
  width: 100%;
}

.details_h {
  width: 20%;
  text-align: right;
}

.details_p {
  width: 60%;
}

.details_h_impressum {
  width: 40%;
  text-align: right;
}

.details_p_impressum {
  width: 40%;
  text-align: left;
}

.details_h_downloads {
  width: 80%;
}

.details_p_downloads {
  width: 80%;
}

.details_a_downloads {
  width: 80%;
  margin: 0;
  color: inherit;
}

.details_a_downloads:visited {
  width: 80%;
  margin: 0;
  color: inherit;
}

.details_a_kontakt {
  color: inherit;
  text-decoration: none;
}

.details_a_kontakt:visited {
  color: inherit;
  text-decoration: none;
}








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

.footer {
  padding: 10px;
  text-align: center;
  left: 0;
  bottom: 0;
  min-height: 5vh;
  box-shadow: rgba(60, 64, 67, 0.3) 0px 1px 2px 0px, rgba(60, 64, 67, 0.15) 0px 1px 3px 1px;
  display: flex;
  justify-content: center;
}

.footer_link:hover{
  cursor: pointer;
}

.image_light {
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  object-fit: cover;
  opacity: 1;
  transition: 1s ease-out;
}

.image_dark {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1;
  object-fit: cover;
  opacity: 0;
  transition: 1s ease-out;
}

.image_textoverlay {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 3;
  object-fit: cover;
  opacity: 0;
  transition: 0.1s ease-out;
}

.image_textoverlay:hover {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 1;
  transition: 0.2s ease-out;
}

.card_downloads {
  width: 20%;
  margin: 2%;
}

.image_card_downloads {
  width: 100%;
}

#img_logo_light {
  width: auto;
  height: 100%;
}

#img_logo_dark {
  width: auto;
  height: 100%;
}

#img_welcome_textoverlay {
  opacity: 1;
}


h1 {
  color: #111;
}

h2 {
  margin: 20px;
  color: #aaa;
}

p {
  margin: 20px;
}


#div_logo_header {
  position: relative;
  height: 100%;
  width: 60px;
  cursor: pointer;
}

#btn_kontakt_header {
  width: auto;
  height: auto;
}

#btn_back_header {
  display: none;
}

#column_welcome {
  font-size: 4em;
  margin: 0;
  width: 100%;
}

#headline_welcome {
}

#text_welcome {
  font-size: 0.5em;
  transition: 1s ease-out;
}

#column_details_netzwerktechnik {
  display: none;
  text-align: left;
}

#column_details_medientechnik {
  display: none;
  text-align: left;
}

#column_netzwerktechnik {
  width: 49.9%;
  margin-right: 0.1%;
  margin-bottom: 0.1%;
}

#column_medientechnik {
  width: 49.9%;
  margin-left: 0.1%;
  margin-bottom: 0.1%;
}

#column_dryhire {
  width: 49.9%;
  margin-right: 0.1%;
  margin-top: 0.1%;
}

#column_kontakt {
  width: 49.9%;
  margin-left: 0.1%;
  margin-top: 0.1%;
}

#column_details_kontakt {
  text-align: center;
  align-content: flex-start;
  gap: 10px 10px;
}

#column_details_impressum {
  align-content: flex-start;
  justify-content: center;
}

#column_details_downloads {
  align-content: flex-start;
  justify-content: center;
}

#column_details_datenschutz {
  display: grid;
  text-align: left;
}









/*mobile*/
@media screen and (max-width:1100px){
  .column {
    width: 100%;
  }
  #column_welcome {
    margin: 0;
    font-size: 2em;
  }
  #column_netzwerktechnik {
    width: 100%;
    margin: 0;
  }
  #column_medientechnik {
    width: 100%;
    margin: 0;
  }
  #column_dryhire {
    width: 100%;
    margin: 0;
  }
  #column_kontakt {
    width: 100%;
    margin: 0;
  }
  .image_textoverlay {
  opacity: 1;
  }
  .details_claim {
  text-align: left;
  width: 90%;
  }
  .details_h {
  width: 90%;
  text-align: left;
  }
  .details_p {
  width: 90%;
  }
  .details_h_impressum {
  width: 80%;
  text-align: left;
  }
  .details_p_impressum {
  width: 80%;
  text-align: left;
  }
  .details_h_downloads {
  width: 80%;
  text-align: left;
  }
  .details_p_downloads {
  width: 80%;
  text-align: left;
  }
  .card_downloads {
  width: 80%;
  }
}








/*fancy toggle button*/
.toggle_switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

.toggle_switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  -webkit-transition: .4s;
  transition: .4s;
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  -webkit-transition: .4s;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: #fff;
}

input:checked + .slider:before {
  -webkit-transform: translateX(26px);
  -ms-transform: translateX(26px);
  transform: translateX(26px);
  background-color: black;
}