body{
	margin: 0;
	font-family: 'Assistant', sans-serif;
	background-color: #2A2738;


}

.header a{
	color: white;

}



h1{

	font-weight: 400;
	color: white;
	margin-top: 0;

}

h2{
	font-size: 24px;
	font-weight: 700;
	margin-bottom:1% ;
	margin-top:0;
}

h3{
	font-size: 32px;
}


h4{
	
	margin-bottom: 0; 
	margin-top: 0;
	font-weight: 300;
	color: white;
}

a{
	text-decoration: none;
	color: #4A4A4A;
}


.language a {
	color: rgba(255,255,255,0.8);
}

#menu li a{
	color: white;
}

#menu li.active{
	border-bottom: 2px solid white;
}

ul, li{
	text-decoration: none;
	 list-style-type: none;
	 color: white;
}



p{
	
	line-height: 1.3 ;
	letter-spacing: 0.2;
	color:white;

}








/*Button*/
#rec_button{
	border: 2px solid white;
	display: inline-block;
	
	color: black;
	background-color: white;
	pointer-events: auto;
	-webkit-transition: background-color 0.5s ease-out;
	border-radius: 20px;
	text-align: center;
}



#rec_button:hover{
	color: black;
	border: 2px solid white;
	background-color: rgba(255,255,255,0.6);
	cursor: pointer;

}

#rec_button a:hover{
	color: black;
}


.round-button{
	border: 1px solid white;
	display: inline-block;
	padding: 4% 12%;
	color: white;
	background-color: rgba(255,255,255,0.6);
	-webkit-transition: background-color 0.5s ease-out;
	pointer-events: auto;
	border-radius: 35px;
	text-align: center;
	display: block;

}

.round-button:hover{
	color: black;
	background-color: white;
	cursor: pointer;

}


/*full page extra*/


#section1{
	background-color: rgba(42,39,56,0);
	transition: all .7s ease-in-out;
}

#section1.active,#section2,#section3 {
	background-color: rgba(42,39,56,0.8);
}






/*Layout*/

.content{
	pointer-events: none;
}

#section1,#section2,#section3{
	pointer-events: auto;
}

#background{
	width: 100%;
	height: 100%;
	position: absolute;
}


.header{
	width: 60vw;
	margin: 0 auto;
	position: absolute;
	display: inline-block;

}


.intro{
	text-align: center;
}



.content{
	width: 100%;
	margin:  0 auto;
}

.section-wrapper{
	margin:  0 auto;
	width: 80%;

}
.slide-section-wrapper{
	margin:  0 auto;
}




/*Stick to Top Menu*/
.menu-bottom ul li{
	display: inline;
	margin-right: 20px;

}

.menu-bottom ul{
	padding: 0;
}


.menu-bottom{
	z-index: 1000;
	top: 0;
	position: fixed;
	
	width: 100%;
	padding: 1% 8%;

}

#menu li a{
	margin: 4% 0;
}

.menu-sub li{
	color: gray;
	font-size: 1em;
}

.menu-sub li a{
	color: #B0B0B0;
}



.chapter-submenu {
	width: 86%;
	padding: 5% 0 0 0;
	margin: 0 auto;
	

}
.chapter-submenu ul li{
	display: inline;
	margin: 1%;
}

ul.menu-sub{
	padding-left: 0;
	
}

.menu-sub li.active >  a{
	color: white !important ;
}



#section0{
	height: 100vh;
}

.intro{
	padding-top:35vh;
}

.about{
	padding-top:15vh;
}

.buy-book{
	padding-top:20vh;
	margin: 0 auto;
	text-align: center;
}

.buy-book p{
	text-align: left;
	
}

.team{
	width: 15%;
	display: inline-block;
	padding-right: 5%;
	vertical-align: top;
}
.team img, .book img{
	width: 100%;
}


.book{
	width: 25%;
	display: inline-block;
	padding: 0 2.5%;
	text-align: center;
	vertical-align: top;

}

.book img{
	margin-bottom: 8%;
	text-align: center;
	display: block;
}

.right, .left{
	display: inline-block;
	width: 40%;
	margin-left: 1%;
	margin-right: 1%;
	text-align: left;
	vertical-align: middle;
}



.chapter-nav{
	text-align: center;
}



.nav-unit-wrapper-s{
    padding: 5%; 
    margin:8% auto;
    text-align: left;
    background-color: white;

     box-shadow: 0px 0px 20px rgba(135,152,160,0.3);
    -webkit-transition: box-shadow 0.5s ease-out;
}

.nav-unit-wrapper-s:hover{
    box-shadow: 0px 0px 40px rgb(255,255,255);
  
}

.nav-unit-wrapper-s img{
    vertical-align: middle;
}


.nav-unit-title-s{
    vertical-align: middle;
    display: inline-block;
}

@media screen and (min-width : 320px) {
	.menu-bottom ul li {
		font-size:16px;
	}

	.chapter-submenu{
		padding: 10% 0 0 0;
	}
	.menu-sub li{
		font-size:0.7em;
	}

	.section-wrapper,{
		width:80%;
	}

	.slide-section-wrapper{
		width: 100%;
	}


	/**/
	.nav-unit-wrapper-s{
    	width: 6em; 
    	text-align: center;
    }

    .nav-unit-wrapper-s img{
    	width: 4em; 
    }

    .nav-unit-title-s{
    	padding-left:0;
    	font-size:0.8em;
    }


	/*Font Size*/
	h1{
		font-size: 20px;
	}

	h4{
		font-size: 14px;
	}

	p{
		font-size: 14px;
		font-weight: 300;
	}

	#rec_button{
		font-size: 12px;
		padding: 2% 8%;
	}


	.book{
		width: 35%;
	}

	.buy-book p{
		padding-bottom: 5%;
	}
}

@media screen and (min-width: 680px) {
	.menu-bottom ul li {
		font-size:18px;
	}
	.menu-sub li{
		font-size:0.75em;
	}

	.chapter-submenu{
		padding: 6% 0 0 0;
	}

	.section-wrapper{
		width: 70%;
	}

	.slide-section-wrapper{
		width: 80%;
	}


	/**/
	.nav-unit-wrapper-s{
    	width: 15em; 
    	text-align: left;
    }

    .nav-unit-wrapper-s img{
    	width: 5em; 
    }

    .nav-unit-title-s{
	  
	    padding-left: 10%;
	
	}


    .nav-unit-wrapper-s img{
    	width: 5em; 
    }


    .right, .left{
	
		width: 43%;
		margin-left: 2%;
		margin-right: 2%;
		max-width: 360px;
	
	}

	/*Font Size*/
	h1{
		font-size: 30px;
	}

	h4{
		font-size: 20px;
	}

	p{
		font-size: 16px;
	}

	#rec_button{
		padding: 1.5% 8%;
	}

	.book{
		width: 25%;
	}



}

@media screen and (min-width : 1024px) {
	.menu-bottom ul li{
		font-size: 20px;
	}

	.chapter-submenu{
		padding: 5% 0 0 0;
	}

	.menu-sub li{
		font-size:1em;
	}

	.section-wrapper{
		width: 60%;
	
	}

	/*Section2*/
	.nav-unit-wrapper-s{
    	width: 20em; 
    }

    .nav-unit-wrapper-s img{
    	width: 6em; 
    }

    .nav-unit-title-s{
	  	font-size: 1em;
	    padding-left: 10%;
	
	}

	/*Font Size*/
	h1{
		font-size: 40px;
	}

	h4{
		font-size: 24px;
	}

	p{
		font-size: 18px;
		font-weight: 400;
	}


	#rec_button{
		font-size: 16px;
		padding: 1% 8%;
	}

	.book{
		width: 20%;
	}


}


/*Social*/
#social{
	margin: 0 auto;
	width: 100%;
}
#social ul {
        display: block;
        list-style-type: none;
        margin: 0 auto;
        text-align: center;
        padding: 4em 0 0 0;

        width: 100%;
    }

#social ul li{
		display: inline-block;
		padding: 2%;
	}  

	h6{
		margin: 0.8em;
		font-weight: 400;
	}

    .btn-social {
        display: inline-block;
        height: 50px;
        width: 50px;
        border: 2px rgba(255, 255, 255, 0.2);
        border-radius: 100%;
        text-align: center;
        vertical-align: middle;
        font-size: 20px;
        line-height: 45px;
    }

    .btn-outline {
        color: rgba(255, 255, 255, 0.2);
        font-size: 20px;
        border: solid 2px rgba(255, 255, 255, 0.2);
        background: transparent;
        transition: all 0.1s ease-in-out;
    }

    .fa-fw{
    	vertical-align: middle;
    }
    .dollar:hover,
    .dollar:focus,
    .dollar:active,
    .dollar.active {
        /*color: white;*/
        color: #00d0a1;
        background: white;
        border: solid 2px white;
    }

    .envelope:hover,
    .envelope:focus,
    .envelope:active,
    .envelope.active {
        color: #FF9B3C;
        background: white;
        border: solid 2px white;
    }

    .github:hover,
    .github:focus,
    .github:active,
    .github.active {
        color: #6e5494;
        background: white;
        border: solid 2px white;
    }

    .twitter:hover,
    .twitter:focus,
    .twitter:active,
    .twitter.active {
        color: #1dcaff;
        background: white;
        border: solid 2px white;
    }


/***extra****/

.round-button-x{
	/*border: 1px solid white;*/
	display: inline-block;
	padding: 4% 12%;
	color: gray;
	background-color: rgba(255,255,255,0.2);
	border-radius: 35px;
	text-align: center;
	display: block;

}