* { 
  margin: 0; padding: 0; 
}

html, body { 
  overscroll-behavior: none; 
  height: 100%; 
  color: #444;
}

body { 
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif; 
  -webkit-font-smoothing: antialiased; 
  font-size: 18px;
}

button, a { 
  all: unset; 
}

button {
  cursor: pointer;
}

a {
  cursor: pointer; 
}

a:hover { 
  text-decoration: underline; 
}

input { 
  font-size: 13px;
}

input:focus { 
  outline: none; 
}

/* TOP */

.top {
  width: 100%;
  height: 50px;
  line-height: 50px;
  border-bottom: solid .5px silver; 
  position: fixed;
  z-index: 10;
  background: rgba(255,255,255,.7);
}

.innerTop {
  display: block; 
  width: 360px; 
  margin: auto; 
  display: flex; 
  justify-content: space-between;
}

#menu {
  display: none;
}

.innerTop > button:nth-of-type(1) {
  font-size: 25px;
}

#menu {
  display: none;
  position: absolute;
  left: 0;
  top: 50px;
  padding: 50px;
  background: #222;
  color: #fff;
}

#menu a {
  display: block;
  line-height: 35px;
}

.main {
  padding-top: 50px;
}

#wrapper3d {
  width:100%;
  height: 300px;
  background: black;
}

.section1 {
  padding-top: 25px;
  padding-bottom: 100px;
}

.section1, .section4, .section7 {
  width: 360px;
}

.section1, .section2, .section3, .section4, .section5, .section6, .section7 {
  margin: auto;
  text-align: center;
}

.section2, .section3, .section4, .section5, .section6, .section7, .section8  {
  padding-top:100px;
  padding-bottom: 100px;
}

.text1 {
  font-size: 40px;
}

.text2 {
  font-size: 30px;  
  line-height: 30px;  
  margin-bottom: 25px;
}

.text3 {
  font-size: 20px;  
}

.useCasesTitle {
  font-size: 30px;  
  line-height: 45px; 
}

.section2 {
  display: flex;
}

.section2, .section5, .section8 {
  width:100%;
  background: #f5f5f5;
  color: black;
}

.section2 img {
  width: 360px;
}

.section2 p,

.section5 p {
  padding: 25px;
  text-align: left;
  padding: 50px 25px 50px 25px;
}

.innerSection {
  width: 360px;
  margin: auto;
}


.section3, .section6 {
  background: #222;
  color: white;
}

.section3 .innerSection > p:nth-of-type(2),
.section6 .innerSection > p:nth-of-type(2) {
  color: silver;
}

.section8 .innerSection {
  font-size: 12px;
}

.useCasesInnerSection {
  width: 360px;
  margin: auto;
}

/* SCREENS */

#screenWrapper  {
  border: solid .5px gray;
  width:360px;
  height:203px;
  margin: auto;
  margin-top:100px;
  margin-bottom: 20px;
}

#screenWrapper img {
  width: 100%;
  height:100%;
}

#screenWrapper img:nth-of-type(n+2):nth-of-type(-n+5) {
  display: none;
}

.screenNav{
  width: 260px;
  margin: auto;
  margin-bottom: 20px;
  display: flex;
  justify-content: center; /* Center horizontally */
  align-items: center;     /* Center vertically (optional) */
  gap: 20px; 
}

.screenNav button {
  text-decoration: underline;
  font-weight: normal;
}

.screenNav button:nth-of-type(n+2):nth-of-type(-n+5) {
  text-decoration: none;
  color: gray;
}

#screenDescription {
  width: 360px;
  margin: auto;
  margin-bottom: 0px;
  display: flex;
  justify-content: center; /* Center horizontally */
  text-align: center;
  color: silver;

}

#screenDescription div {
  width: 300px;
  margin: auto;
  height: 130px;
  text-align: center;
}

#screenDescription div:nth-of-type(n+2):nth-of-type(-n+5) {
  display: none;
}

/* SCREENS2 */

#screens2Wrapper  {
  width: 360px;
  height: auto;
  margin: auto;
  margin-top: 100px;
  margin-bottom: 20px;
  color: silver;
  position: relative;
}


#screens2Wrapper div,
#screens2Wrapper img {
  width: 360px;
}

#screens2Wrapper div:nth-of-type(n+2):nth-of-type(-n+4),
#screens2Wrapper img:nth-of-type(n+2):nth-of-type(-n+4) {
  display: none;
}

#screens2Wrapper div {
  padding: 10px;
  height: 125px;
  box-sizing: border-box;
  margin-top:20px;
}

#screens2Wrapper img {
  border: solid .5px gray;
  display: block;
}

.screens2Nav {
  width: 360px;
  margin: auto;
  margin-top: 40px;
  margin-bottom: 30px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  position: relative; 
  z-index: 1;
}

.screens2Nav button {
  text-decoration: underline;
  font-weight: normal;
}

.screens2Nav button:nth-of-type(n+2):nth-of-type(-n+4) {
  text-decoration: none;
  color: gray;
}



/* TABLES */

table, td {
  border: 1px solid #dcdcdc;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 12px;
}

tr {
  height: 50px;
}

.table1 tr:nth-child(1),
.table1 tr:nth-child(3),
.table1 tr:nth-child(5) {
  height: 40px;
  font-weight: bold;
  text-align: left;
}

.table1 tr:nth-child(1) td,
.table1 tr:nth-child(3) td,
.table1 tr:nth-child(5) td {
  padding-left: 25px;
}

.cellHL {
  background: #dcdcdc;
}

#researchLink {
  text-decoration: underline;
}

.useCasesTable {
  width: 360px !important;
  margin: auto;
  margin-top: 50px;
}

.useCasesTable td {
  font-size: 16px;
  text-align: left;
  vertical-align: top;
  padding: 6px;
  line-height: 20px;
}

.useCasesTable td:nth-child(1) {  
  width: 100px;
  font-weight: bold;
}

.useCasesTable td:nth-child(2)  {  
  width: 200px;
}

/* /// */

.section7 {
  display: block;
  text-align: left;
}

/* REGISTER */

.registerForm { 
  width: 360px; 
  height: 640px;
  border: solid .5px silver; 
  text-align: left; 
  margin-top: 50px;
}

.innerForm {
  width: 250px;
  margin: auto;
  margin-top:50px;
}

input:focus { 
  outline: none;
}

input[type=checkbox] { 
  float: left;
  margin-right: 10px;
  accent-color: gray; 
}

.register_field { 
  width: 250px; 
  height: 35px; 
  border: none; 
  border-radius: 4px; 
  padding-left: 5px; 
  margin-bottom: 10px;
  background: #f5f5f5;
  font-size: 16px;
}

.register_field_b { 
  width: 200px; 
  height: 0px; 
  padding: 0;
  margin: 0;
  border: solid .5px #fff;  
}

.register_agreement_section { 
  font-size: 13px; 
  margin-top: 20px 
}

.register_terms_section { 
  width: 190px; 
  line-height: 16px; 
}

#registrationMessage { 
  color: red; 
  margin-top: 20px 
}


@media only screen and (min-width: 1000px) {

  body { 
    font-size:15px;
  }

  .innerTop {
    width: 1000px;
  }

  .innerTop > button:nth-of-type(1) {
    display: none;
  }

  #menu {
    display: block;
  }

  #menu { 
    display: block !important; 
    position: relative;
    right: 0;
    top: 0px;
    padding: 0px;
    background: transparent;
    color: #444;
  }

  #menu a {
    display: inline-block;
    line-height: 50px;
    margin-right: 10px;
  }

  #menu a:last-child {
    margin-right: 0;
  }

  #wrapper3d {
    height: 500px;
  }

  .section1 {
    padding-top: 50px;
    padding-bottom: 150px;
  }

  .section1, .section4, .section7, .innerSection {
    width: 1000px;
  }

  .section2, .section3, .section4, .section5, .section6, .section7 {
    padding-top: 150px;
    padding-bottom: 150px; 
  }

  .innerSection {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .section2 .innerSection {
    font-size: 17px;
    line-height: 22px;
  }

  .section8 .innerSection {
    display: block;
    font-size: 12px;
  }

  .useCasesInnerSection {
    width: 600px;
    margin: auto;
  }

  .text1 {
    font-size: 75px;
  }

  .text2 {
    font-size: 40px;  
    line-height: 45px;  
    width:1000px;
    margin-bottom: 50px;
  }

  .useCasesTitle {
    font-size: 30px;  
    line-height: 35px; 
  }

  .text3 {
    font-size: 20px;  
    line-height: 25px;
  }

  .section2 img {
    width: 500px;
    float: left;
    margin-bottom: 50px;
  }

  .section2 p {
    width: 500px;
    height: 282px;
    float: right;
    margin-bottom: 50px;
    box-sizing: border-box;
    padding: 50px;
  }

  .section5 p {
    width: 500px;
    margin-bottom: 50px;
    box-sizing: border-box;
    padding: 25px;
    font-size: 16px;
  }

  .section5 p:nth-of-type(1) {
    height: 400px;
  }

  .section5 p:nth-of-type(n+2):nth-of-type(-n+3) {
    height: 160px;
  }

  .section7 {
    display: flex;
  }

  .formLeft {
    width:50%;
    box-sizing: border-box;
    padding: 50px;
    text-align: left;
    background: #f5f5f5;
    border: solid .5px silver; 
    border-right: none;
  }

  /* SCREENS */

  #screenWrapper  {
    width:1000px;
    height:563px;
    margin-top:150px;
  }

  .screenNav{
    width: 1000px;
  }

  #screenDescription {
    width: 1000px;
  }

  #screenDescription div {
    width: 600px;
    height: 80px;
  }


  /* TABLES */

  table, td {
    border: solid .5px gray;
  }

  table {
    width:500px !important;
    margin-bottom: 50px;
  }

  tr {
    height: 40px;
  }

  .useCasesTable {
    width: 600px;
    margin: auto;
    margin-top:75px;

  }

  .useCasesTable td {
    padding: 8px;
    text-align: left;
    font-size: 14px;
    vertical-align: top;
  }

  .useCasesTable td:nth-child(1) {  
    width: 150px;
    font-weight: bold;
  }

  .useCasesTable td:nth-child(2)  {  
    width: 400px;
  }


  /* SCREENS2 */

  #screens2Wrapper  {
    width:1000px;
    height:280px;
    margin: auto;
    margin-top:100px;
    margin-bottom: 50px;
    display: flex;
    color: silver;
  }

  #screens2Wrapper div,
  #screens2Wrapper img {
    width: 50%;
    height:100%;
  }

  #screens2Wrapper div:nth-of-type(n+2):nth-of-type(-n+4),
  #screens2Wrapper img:nth-of-type(n+2):nth-of-type(-n+4) {
    display: none;
  }

  #screens2Wrapper div {
    padding: 50px;

  }

  #screens2Wrapper img {
    border: solid .5px gray;
  }

  .screens2Nav{
    width: 1000px;
    margin: auto;
    /*margin-bottom: 175px;*/
    display: flex;
    justify-content: center;
    align-items: center;    
    gap: 20px; 
  }

  .screens2Nav button {
    text-decoration: underline;
    font-weight: normal;
  }

  .screens2Nav button:nth-of-type(n+2):nth-of-type(-n+4) {
    text-decoration: none;
    color: gray;
  }

  /* REGISTER */

  .registerForm { 
    width: 50%; 
    height: 550px;
    border: solid .5px silver; 
    border-left: none;
    text-align: left; 
    margin-top: 0;
  }

  .innerForm {
    width: 255px;
    margin: auto;
    margin-top:50px;
  }

  input:focus { 
    outline: none;
  }

  input[type=checkbox] { 
    float: left;
    margin-right: 10px;
    accent-color: gray; 
  }

  .register_field { 
    width: 250px; 
    height: 27px; 
    border: none; 
    border-radius: 4px; 
    padding-left: 5px; 
    margin-bottom: 10px;
    background: #f5f5f5;
    font-size: 14px;
  }

  .register_field_b { 
    width: 200px; 
    height: 0px; 
    padding: 0;
    margin: 0;
    border: solid .5px #fff;  
  }

  #countrySelect {
    
  }

  .register_agreement_section { 
    font-size: 12px; 
    margin-top: 20px 
  }

  .register_terms_section { 
    width: 190px; 
    line-height: 16px; 
  }

  #registrationMessage { 
    color: red; 
    margin-top: 20px 
  }

}