@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700&display=swap');
*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}
body{
  min-height: 100vh;
}

.top-nav-bar{
    padding: 10px 0px 10px 0px;
    position: fixed;
    background-color: #fff;
    width: 100%;
    z-index: 15;
}

.top-item a{
  text-decoration: none;
  color: var(--primary-color);
  font-weight: 600;
}

.top-item {
  color: var(--primary-color);
  text-align: center;
}

.top-navbar-text{
  
    text-align: right;
    font-weight: 600;
}

.top-navbar-text span{
    background-color: var(--primary-color);
    color: #fff;
    padding: 4px;
    border-radius: 6px;
	        
}

nav{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 85px;
  background: #305669;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  z-index: 99;
      margin-top: 44px;
}

nav .navbar{
  height: 100%;
  max-width: 1250px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: auto;
  background: #305669;
  padding: 0 50px;
}
.navbar .logo a{
  font-size: 30px;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}
nav .navbar .nav-links{
  line-height: 70px;
  height: 100%;
}
nav .navbar .links{
  display: flex;
  margin-top: 5px;
}
nav .navbar .links li{
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
   padding: 0px 12px 0px 5px;
}
nav .navbar .links li a{
  height: 100%;
  text-decoration: none;
  white-space: nowrap;
  color: #fff;
  font-size: 18px;
  font-weight: 500;
}
.links li:hover .htmlcss-arrow,
.links li:hover .js-arrow,
.links li:hover .python-arrow{ 
  transform: rotate(180deg);
  }

nav .navbar .links li .arrow{
  height: 100%;
  width: 22px;
  line-height: 70px;
  text-align: center;
  display: inline-block;
  color: #fff;
  transition: all 0.3s ease;
}
nav .navbar .links li .sub-menu{
  position: absolute;
  top: 70px;
  left: 0;
  line-height: 40px;
  background: #305669;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  border-radius: 0 0 4px 4px;
  display: none;
  z-index: 2;
  padding: 0px;
}
nav .navbar .links li:hover .htmlCss-sub-menu,
nav .navbar .links li:hover .js-sub-menu,
nav .navbar .links li:hover .python-sub-menu{
  display: block;
}
.navbar .links li .sub-menu li{
  padding: 0 22px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.navbar .links li .sub-menu a{
  color: #fff;
  font-size: 15px;
  font-weight: 500;
}


.navbar .nav-links .sidebar-logo{
  display: none;
}
.navbar .bx-menu{
  display: none;
}

.manuscript-btn{
    line-height: 2;
    padding: 1px 6px 1px 6px;
    border: none;
    background-color: #fff;
    border-radius: 5px;
    color: var(--primary-color);
    font-size: 17px;
    font-weight: 500;
}
@media (max-width:920px) {
    
    nav{
    margin: 0px;
  }
  
  nav .navbar{
    max-width: 100%;
    padding: 0 25px;
  }

  nav .navbar .logo a{
    font-size: 27px;
  }
  nav .navbar .links li{
    padding: 0 10px;
    white-space: nowrap;
  }
  nav .navbar .links li a{
    font-size: 15px;
  }
}
@media (max-width:800px){
  nav{
    margin: 0px;
  }
  .navbar .bx-menu{
    display: block;
  }
  nav .navbar .nav-links{
    position: fixed;
    top: 0;
    left: -100%;
    display: block;
    max-width: 270px;
    width: 100%;
    background: #305669;
    line-height: 40px;
    padding: 20px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.5s ease;
    z-index: 1000;
  }
  .navbar .nav-links .sidebar-logo{
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .sidebar-logo .logo-name{
    font-size: 20px;
    color: #fff;
  }
    .sidebar-logo  i,
    .navbar .bx-menu{
      font-size: 50px;
      color: #fff;
    }
  nav .navbar .links{
    display: block;
    margin-top: 20px;
    margin-left: -37px;
  }
  nav .navbar .links li .arrow{
    line-height: 40px;
  }
nav .navbar .links li{
    display: block;
  }
nav .navbar .links li .sub-menu{
  position: relative;
  top: 0;
  box-shadow: none;
  display: none;
}
nav .navbar .links li .sub-menu li{
  border-bottom: none;

}

.links li:hover .htmlcss-arrow,
.links li:hover .js-arrow,
.links li:hover .python-arrow{
  transform: rotate(0deg);
  }

  nav .navbar .links li:hover .htmlCss-sub-menu,
  nav .navbar .links li:hover .js-sub-menu,
  nav .navbar .links li:hover .python-sub-menu{
    display: none;
  }
.navbar .nav-links.show1 .links .htmlCss-sub-menu,
  .navbar .nav-links.show3 .links .js-sub-menu,
  .navbar .nav-links.show4 .links .python-sub-menu{
      display: block;
    }
    .navbar .nav-links.show1 .links .htmlcss-arrow,
    .navbar .nav-links.show3 .links .js-arrow,
    .navbar .nav-links.show4 .links .python-arrow{
        transform: rotate(180deg);
}

.top-nav-bar {
    display: none;
}

}
@media (max-width:370px){
    nav{
    margin: 0px;
  }
    
  nav .navbar .nav-links{
  max-width: 100%;
  background-color: #305669;
} 

.bx-x:before {
  
    color: #fff;
    font-size: 30px;
}

.bx-menu:before {
    font-size: 40px;
}

.manuscript-btn{
    line-height: 2;
    padding: 1px 6px 1px 6px;
    border: none;
    background-color: #fff;
    border-radius: 5px;
    color: var(--primary-color);
    font-size: 15px;
    font-weight: 500;
}

.top-nav-bar {
    display: none;
}
}