html{
    scroll-behavior: smooth;
    
}
body{
    display: flexbox;
    background: black;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: whitesmoke;
    text-align: center;
    margin: 0;
}
section{
    padding-top: 80px;

}

/*-----Cabeçalho-----*/

.hero{
    background-image: linear-gradient(to top,rgba(50,0, 50, 1), transparent), url(../image/header.jpg);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    height: 600px;
    border-top: solid black 0.1px;
    color:white;
}
.hero h1{
    display: inline-block;
    margin-top: 150px;
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    font-size: 90px;
    animation: forwards shadow 3s;
}

@keyframes shadow{
    from{
        color:rgba(255, 255, 255, 0.8);
    }
    to{
        text-shadow: 0px 1px 30px rgb(255, 0, 100);
    }
}
.hero nav{
    background-color: rgba(50,0, 50, 0.3) ;
}
.hero nav ul{
    text-align: center;
    margin-top: 0;
    padding: 10px ;
    text-transform: uppercase;
    
}
.hero nav li{
    display: inline;
    padding: 20px;
    list-style: none;
    font-size: 18px;
}
.hero nav a{
    text-decoration: none;
    color:rgba(255, 255, 255, 0.5);
    transition: all 0.5s linear;
}
.hero nav a:hover{
    color: white;
}

/*-----Sobre-----*/

.main-section-about{
    margin: 0 20%;
}
.main-section-about img{
    border-radius: 50%;
    width: 200px;
    transition: box-shadow 0.5s linear;
}
.main-section-about img:hover{
    box-shadow: 0px 0px 100px 10px blueviolet, 0 0 200px 20px blue;
}

/*-----Projetos-----*/

.main-section-projects{
    background: url(../image/project.jpg) no-repeat center center fixed;
    height: 600px;
    background-attachment: fixed;
    background-size: cover;
}
.main-section-projects h2{
    padding-top: 50px;
}

.card{
    display: inline-block;
    margin-top: 150px;
    color: white;
    filter: grayscale(100%);
    transition: all 0.3s linear;
    color: white;
    text-transform: uppercase;
    animation: go-back 1s;
}
@keyframes go-back {
    from{
        opacity: 0;
    }
    to{
        opacity: 1;
    }
}
.card-1 .card-2 .card-3{
    color: white;
    transition: all 0.3s linear;
}
.card-1:hover{
    color:orange;
}
.card-2:hover{
    color:yellow;
}
.card-3:hover{
    color: violet;
}
.card:hover{
    filter: grayscale(0%);

}

/*-----Contatos-----*/

.ul-icons{
    font-size: 30px;
    text-align: center;
    margin-right: 40px;
    text-decoration: none;
    text-transform: none;

}
.ul-icons li{
    display: inline;
}
.ul-icons li a{
    color: white;
}
footer{
    background: blueviolet;
    padding:2px;
}