*{
  margin: 0;
  padding: 0;
  text-decoration: none;
  list-style: none;
}
nav{
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgb(19, 18, 18);
  height: 50px;
}
nav .logo{
  font-size: 40px;
  line-height: 50px;
  margin: 0 40px;
}
  ul{
  float: right;
  line-height: 50px;
  margin: 0 50px;
}
 li{
  display: inline-block;
}
 a{
  color: white;
  margin:0 20px;
  line-height: 50px;
}
.active{
  text-decoration: underline 4px  rgba(23, 115, 235, 0.68) ;
}
a:hover{
  text-decoration: underline 4px  rgba(23, 115, 235, 0.68) ;
}
.btn{
  float: right;
  margin: 0 20px;
  font-size: 40px;
  display: none;
}
#check{
  display:  none;
}
.hero-section{
  width: 100%;
  margin-top: 50px;
  background-color: rgba(23, 115, 235, 0.68);
}

.hero {
  width: 80%;
  margin: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.text{
  margin-top: 40px;
}
.text p{
  font-size: 35px;
  font-weight: bold;
  margin:10px 40px;
}
h1{
  font-size: 70px;
  font-weight: bold;
  margin:10px 40px;
}
button{
  background-color:rgba(23, 115, 235, 0.68);;
  border: 1px solid black;
  margin:20px 40px;
  padding: 10px 20px;
  font-size: 20px;
  cursor:pointer;
}
.slider{
  align-items: center;
  position: relative;
  bottom: 30px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  justify-content: space-around;
  padding:0 40px;
}
.cont{
  background-color: white;
  padding: 10px 40px;
  margin: 0 10px;
  display: grid;
  place-items: center;
  justify-content: center;
  box-shadow: 5px 5px 10px rgba(132, 139, 149, 0.3);
}
.cont i{
  font-size: 40px;
  margin: 20px 0;
  text-align: center;
}
.social-media-handles{
  background-color: white;
  padding: 20px 10px;
  position: fixed;
  top:35%;
  right: 0;
  display: block;
  box-shadow: 5px 5px 10px rgba(23, 115, 235, 0.3);
}
.social-media-handles i{
  font-size: 40px;
  margin: 10px 0;
  color: black;
}
.big-text{
  margin: 20px 40px;
  padding: 30px 40px;
  font-size: 40px;
  font-weight: bold;
  
}
footer{
  background-color: rgb(19, 18, 18);
  color: white;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding: 10px 0;
}
@media  screen and (max-width:767px) {
  .btn{
    display: block;   
  }
  nav{
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgb(19, 18, 18);
    height: 50px;
  }
  nav .logo{
    font-size: 40px;
    line-height: 50px;
    margin: 0 40px;
  }
    ul{

    display: none;
  }
   li{
    display: inline-block;
  }
   a{
    color: white;
    margin:0 20px;
    line-height: 50px;
  }
  .active{
    text-decoration: underline 4px  rgba(23, 115, 235, 0.68) ;
  }
  a:hover{
    text-decoration: underline 4px  rgba(23, 115, 235, 0.68) ;
  }

  .hero-section{
    width: 100%;
    margin-top: 50px;
    background-color: rgba(23, 115, 235, 0.68);
  }
  
  .hero {
    width:100%;
    margin: 0;
    padding: 40px 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  
  .text{
    margin-top: 40px;
  }
  .text p{
    font-size: 20px;
    font-weight: bold;
    margin:10px 40px;
  }
  h1{
    font-size: 30px;
    font-weight: bold;
    margin:10px 40px;
  }
  button{
    background-color:rgba(23, 115, 235, 0.68);;
    border: 1px solid black;
    margin:20px 40px;
    padding: 10px ;
    font-size: 16px;
    cursor:pointer;
  }
  .image{
    margin: 20px 0;
    width:150px;
  }
  .image img{
    width:150px;
  }
  .slider{
    align-items: center;
    position: static;
    bottom: 30px;
    display: grid;
    justify-content: space-around;
    grid-template-columns: 1fr;
    padding:0 40px;
  }
  .cont{
    background-color: white;
    padding: 10px 00;
    margin: 20px 0;
    box-shadow: 5px 5px 10px rgba(132, 139, 149, 0.3);
  }
  .cont i{
    font-size: 40px;
    margin: 20px 0;
    text-align: center;
  }
  .social-media-handles{
    background-color: white;
    padding: 20px 10px;
    position: fixed;
    top:35%;
    right: 0;
    display: block;
    box-shadow: 5px 5px 10px rgba(23, 115, 235, 0.3);
  }
  .social-media-handles i{
    font-size: 20px;
    margin: 10px 0;
    color: black;
  }
  .big-text{
    width: 100%;
    margin: 20px 0;
    padding: 30px 0;
    font-size: 20px;
    font-weight: bold;
    
  }
  footer{
    background-color: rgb(19, 18, 18);
    color: white;
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
    justify-content: center;
    place-items: center;
    padding: 10px 10px;
  }
  footer i{
   display: none;
  }
}
#check:checked ~ ul{
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  flex-direction: column;
  line-height: 50px;
  margin: 0;
  background-color: black;
  height: 100vh;
}