@import url("https://fonts.googleapis.com/css?family=Poppins:100,200,300,400,500,600,700,800,900");
* {
  padding: 0;
  margin: 0;
  text-decoration: none;
  list-style: none;
  box-sizing: border-box;
}

body {
  /* font-family: 'Cormorant Garamond', serif; */
  background-color: #151719;
  /* min-height: 100vh; */
  /* box-sizing: border-box; */
   
}

#div1{
    background: url(Back.jpg) no-repeat;
    /* height: 100vh; */
    background-size: cover;
    height: 100vh;

}
#div2{
    background: url(bubbleBack.jpg) no-repeat;
    /* height: 100vh; */
    background-size: cover;
    height: 100vh;

}
#div3{
    background: url(insertionBack.jpg) no-repeat;
    /* height: 100vh; */
    background-size: cover;
    height: 100vh;

}
nav{
  
  background-color: rgb(14, 13, 13);
  height: 65px;
  width: 100%;
 
   
}
.navSection{
  position: fixed;
  background-color: aliceblue;
}
.nav{
  position: fixed;
  
}

label.logo {
  color: white;
  font-size: 35px;
  line-height: 64px;
  padding: 0 100px;
  font-weight: bold;
}
nav ul {
  float: right;
  margin-right: 80px;
}
nav ul li {
  display: inline-block;
  line-height: 65px;
  margin: 0 5px;
}
nav ul li a {
  color: white;
  font-size: 17px;
  text-transform: uppercase;
  padding: 7px 13px;
  border-radius: 3px;
}


nav ul li a:hover {
  background: white;
  color: black;
  transition: 0.5s;
   
}
nav ul li a:active{
  background-color:wheat;
}
.checkbtn {
  font-size: 30px;
  color: white;
  float: right;
  line-height: 80px;
  margin-right: 40px;
  cursor: pointer;
  display: none;
}
#check {
  display: none;
}
 

@media (max-width: 952px) {
   .logo {
    visibility: hidden;
    font-size: 10px;
    /* padding-left: 40px; */
  }
  nav ul li a {
    font-size: 16px;
    padding-right: 40px;
  }
  .checkbtn{
    color: white;
    /* padding-right: 40px; */
  }
}
@media (max-width:520px) {
  .logo{
    font-size: 10px;

  }
}
@media (max-width: 1280px) {
   
  .checkbtn {
    display: block;
  }
  ul {
    position: fixed;
    width: 100%;
    height: 100vh;
    background: black;
    top: 80px;
    left: -100%;
    transition: all 0.5s;
    text-align: center;
  }
  /* #Header{
    visibility: hidden;
  } */

  nav ul li {
    display: block;
    margin: 50px 0;
    line-height: 30px;
  }
  nav ul li a {
    font-size: 20px;
  }
 nav ul li a:hover
 {
    background: none;
    color: #0082e6;
  }
  #check:checked ~ ul {
    left: 0;
  }
  
}

/* nav{
    height: 80px;
    width: 100%;
     
}
label.logo{
    font-size: 35px;
    font-weight: bold;
    color: white;
    padding: 0 100px;
    line-height: 80px;
}

nav ul{
    float: right;
    margin-right: 40px;
}
nav li{
    display: inline-block;
    margin: 0 8px;
    line-height: 80px;
}

nav a {
    color: white;
    font-size: 18px;
    text-transform: uppercase;
    border: 1px solid transparent;
    padding: 7px 10px;
    border-radius: 3px;
}
  a:hover{
    border: 1px solid white;
    transition: 0.5s;
}

nav #icon{
    color: white;
    font-size: 30px;
    line-height: 80px;
    float: right;
    margin-right: 40px;
    cursor: pointer;
    display: none;
    margin-right: 40px;
}

@media (max-width: 1048px){
     lable.logo{
         font-size: 32px;
         padding-left: 60px;
     }
     nav ul{
         margin-right: 20px;
     }
     nav a {
         font-size: 17px;
     }
}
@media (max-width: 909px) {
    nav #icon{
        display: block;
    }
    nav ul{
        position: fixed;
        width: 100%;
        height: 100vh;
        background: red;
        top: 80px;
        left: -100%;
        text-align: center;
        transition: all 0.5s;
    }

    nav li{
        display: block;
        margin: 50px 0;
        line-height: 30px;
    }
    nav a {
        font-size: 20px;
    }
     a:hover{
        border: none;
        color: #3498db;
    }
    nav ul.show{
        left: 0;
    }
}

  */
@media (max-width: 920px){
  .section1{
    background: url(SelectionBack.jpg);
  }
  .title span{
    font-size: 42px;
  }
} 
@media (max-width: 740px){
  .title span{
    font-size: 35px;
    /* color: red; */
  }
}

@media (max-width: 635px){
  .title{
     display: none;
  }
  .sectionDemo p{ 
    visibility:visible;  
    color: white;
  }
  .sectionDemo{
    padding-top: 0px;
    /* padding-bottom: 200px; */
  }
   
  .sectionDemo .sort{
    font-size: 50px;
  }
  .sectionDemo .vis{
    font-size: 60px;
  }
  
  #section2 .text{
      font-size: 3px;
  }
  #Header{
       padding-top: 0px;
       background: url(SelectionBack.jpg);

  }
}
.sectionDemo {
   visibility: hidden;
    /* display:none; */
  }    
#Header
{
  /* background-color: rebeccapurple; */
  height: 100vh;
  background: url(Back.jpg) no-repeat;
  background-size: cover;
  background-attachment: fixed; 
  /* display: flex; */
  /* flex-direction: column; */
  align-items: center;
  /* justify-content: center; */
  font-size: 60px;
  text-align: center;
  padding-top: 250px;
  /* padding-bottom: 150px; */
  /* opacity: 0.8; */
}
.section1 {
  
  /* background: url(Back.jpg) no-repeat; */
  background-size: cover;
  background-attachment: fixed;
  height: 100vh;
  opacity: 0.9;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  /* color: #0082e6; */
  /* position: relative; */
  -webkit-box-reflect: below -20px linear-gradient(transparent, rgba(0, 0, 0, 0.2));
  font-size: 60px;
  padding-bottom: 150px;
}
#Header span {
  font-family: "Alfa Slab One", cursive;
  position: relative;
  display: inline-block;
  color: white;
  text-transform: uppercase;
  animation: section1 1s infinite;
  animation-delay: calc(0.1s * var(--i));
}
@keyframes section1 {
  0%,
  40%,
  100% {
    transform: translateY(0);
  }
  20% {
    transform: translateY(-20px);
  }
}

#section2 {
  background-color: black;
  display: flex;
  color: white;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
#section2 h1 {
  font-size: 60px;
  padding: 14px;
}
#section2 .text {
  padding: 14px;
  font-size: 40px;
  margin-left: 150px;
  margin-right: 150px;
}
 
#section2 .content {
  position: relative;
}
 /* For Sorting Theory */
@media (max-width: 750px){
  #section2 .text {
  padding: 14px;
  font-size: 18px;
  margin-left: 15px;
  margin-right: 15px;
  transition: 1s;
}
 #section2 h1{
   font-size: 40px;
 }
}
 
@media  (max-width: 500px) {
  .section3 .theory div{
    font-size: 22px;
    /* display: block; */
  }
  .section3 h1{
    font-size: 40px;
  }
}
.section3 {
    
    /* height: 80vh; */
    display: flex;
    color: white;
    flex-direction: column;
    align-items: center;
    padding: 40px;
        
  }
  .section3 h1{
    font-size: 60px;
    padding-top: 30px; 
    /* background-color: red; */
    color: white;
    
    /* padding: 20px; */
  }
  
  .section3 .theory{
    font-size: 28px;
    padding-top: 30px;
    padding: 40px;
    font-style:italic;
    font-weight: 600;
    color: white;
  }
  .section3 .theory div{
    padding: 10px;
  }
  .section3 .vsl{
    padding: 20px;
    background-size: 10px;
    background-color: white;
    text-decoration: none;
    font-size: 35px;
    color: black;
    /* position: relative; */
    border: 3px solid black;
    border-radius: 10px;
  
  }
  .section3 .btn{
    padding-top: 100px;
  }
  .section3 .vsl:hover{
    background-color: black;
    color: white;
    border: 3px solid white;
    transition: .8s;
  }
  
 .selection{
     background: url(SelectionBack.jpg) no-repeat;
     background-size: cover;
     background-attachment: fixed;
     opacity: 0.8;
     background-color: black;
 }
 
 .bubble{
     background: url(bubbleBack.jpg) no-repeat;
     background-size: cover;
     /* background-attachment: fixed; */
     opacity: 0.8;
 }
 
 .insertion{
     background: url(insertionBack.jpg) no-repeat;
     background-size: cover;
     background-attachment: fixed;
     opacity: 0.8;
 }
 .merge{
     background: url(mergeBack.jpg) no-repeat;
     background-size: cover;
     /* background-attachment: fixed; */
     opacity: 0.8;
 }
 .quick{
     background: url(quickBack.jpg) no-repeat;
     background-size: cover;
     background-attachment: fixed;
     opacity: 0.8;
 }
  .Footer{
    background-color:rgb(18,19,19);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px;
  color: white;
}
.icon{
  padding: 20px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}
/* .social-icon a{
  width: 10px;
  height: 10px;
} */
.brand h1{
  font-size: 30px;
}
img{
  height: 60px;
  width: 60px;
  margin-right: 35px;
}
.insta a img{
  width: 42px;
  height: 42px;
}
.twit a img{
  width: 42px;
  height: 42px;
}

 


/* End Footer */