*{
    margin: 0;
    font-family: Arial, sans-serif;
    padding:0;
    box-sizing: border-box;
}

html,body{
    height:100%;
}

header {
    background-color: #333;
    color: #fff;
    padding: 15px 20px;
    text-align: center;
}
.desktop {
    display: flex;
    justify-content: space-around;
    background-color: #444;
    color: #fff;
    padding: 10px;
}
.desktop a {
    color: #fff;
    text-decoration: none;
    margin: 0 10px;
}

.mobile{
	display: none;
}

nav.mobile > i{
	position: relative;
	top: 23px;
	cursor: pointer;
	font-size: 25px;
	color: white;
}


nav.mobile ul{
	display: none;
	z-index: 2;
	position: absolute;
	left: 0;
	width: 100%;
	top: 94px;
	background: white;
	list-style-type: none;
}


nav.mobile li{
	font-weight: lighter;
	border-bottom: 1px solid #444;
	text-align: center;
	padding:8px 0;
}

nav.mobile a{
	display: block;
	text-decoration: none;
	color: #444;
}

@media screen and (max-width:780px){
    .desktop{
        display:none;
    }
    nav.mobile{
		display: block;
	}

	.botao-menu-mobile{
		font-size: 24px;
		cursor: pointer;
		color: white;
	}

	nav.mobile ul{
		top:68px;
		z-index: 3;
		position: absolute;
		left: 0;
		width: 100%;
		display: none;
		text-align: center;
	}

	nav.mobile li{
		font-weight: 300;
		width: 100%;
		display: block;
		background: white;
		border-bottom:1px solid #ccc;
		font-size: 17px;
		padding:8px 0;
	}
	nav.mobile li a{
		display: block;
		color: #444;
		text-decoration: none;
	}
    header .container{
        width:100%;
        margin:0 auto;
        max-width:1200px;
        display:flex;
        flex-wrap:wrap;
        justify-content:space-between;
    }
    
}

.bg{
    width:100%;
    background-image:url('../img/bg1.jpg');
    background-position:center;
    background-repeat:no-repeat;
    background-size:cover;
}

.bg .overlay{
    width:100%;
    height:100%;
    background-color:rgba(0, 0, 0, 0.8);
    padding:80px 2%;
}

.bg .container{
    width:100%;
    margin:0 auto;
    max-width:1200px;
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
}


.init-text{
    width:50%;
    color:white;

}


.bg img{
    width:50%;
}


.bg button{
    width:200px;
    border:0;
    background-color:#2692FF;
    color:white;
    font-size:16px;
    padding:10px;
    border-radius:50px;
    cursor: pointer;
}


.books .container {
    padding: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

.books{
    text-align:center;
    padding:30px 0;
}



.books:hover .line{
    background-color:#2692FF;
    width:350px;
}

.books .line{
    margin:10px auto;
    height:3px;
    background-color:black;
    width:300px;
    transition:0.8s;
}

.book {
    background-color: #fff;
    margin: 10px;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    width:10%;
    flex-grow: 1;
}
.book img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
}
.book h3 {
    margin: 15px 0 10px 0;
}
.book p {
    color: #555;
}
@media (max-width: 600px) {
    .desktop {
        flex-direction: column;
        align-items: center;
    }
   .books .container {
        flex-direction: column;
        align-items: center;
    }
    .book {
        width: 80%;
        max-width: 400px;
    }
}

.sobre{
    width:100%;
    background-image:url(../img/bg_parallax.jpg);
    background-position:center;
    background-repeat:no-repeat;
    background-size: cover;
    background-attachment: fixed;
    color: #fff;
    text-align: center;
}

.sobre .container{
    width:100%;
    max-width:960px;
    margin:0 auto;
}

.sobre .overlay{
    padding: 80px 0;
    width:100%;
    height:100%;
    background-color:rgba(0, 0, 0, 0.8);
}

.sobre p{
    text-align:left;
}

.contato{
    padding:80px 0;
    text-align:center;
}

.contato:hover .line{
    background-color:#2692FF;
    width:350px;
}

.contato .line{
    margin:10px auto;
    height:3px;
    background-color:black;
    width:300px;
    transition:0.8s;
}

.contato .container{
    width:100%;
    max-width:960px;
    margin:0 auto;
    text-align:center;
}

.contato input[type=text]{
    width:60%;
    height:50px;
    padding-left:8px;
    font-size:19px;
    outline:0;
    margin:10px 0;

}

.contato input[type=email]{
    width:60%;
    height:50px;
    padding-left:8px;
    font-size:19px;
    outline:0;
    margin:10px 0;
}

.contato textarea{
    width:60%;
    height:100px;
    padding:10px;
    font-size:19px;
    outline:0;
    margin:10px 0;
}

.contato .sub{
    width:200px;
    border:0;
    background-color:#2692FF;
    color:white;
    height:40px;
    border-radius:10px;
    display:block;
    margin:10px auto;
    cursor: pointer;
    font-size:19px;
    transition:1s;
}


footer{
    background-color:#333;
    padding:10px 0;
    text-align:center;
    color:white;
    font-size:17px;
}

@media screen and (max-width:820px){
    .init-text{
        width:80%;
        margin:10px auto;
    }

    .bg img{
        width:80%;
        margin:10px auto;
    }
}