@import url('https://fonts.googleapis.com/css2?family=Oleo+Script+Swash+Caps&family=Signika+Negative&display=swap');
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html{
    scroll-behavior: smooth;
}
body{
    overflow-x: hidden;
    font-size: 18px;
    background-color: hsl(0, 0%, 98%);
}
header{
    display: flex;
    justify-content:space-between;
    align-items: center;
    padding: 1rem 1rem;
}
nav ul{
    display: flex;
    justify-content: center;
    align-items: center;   
}
nav ul li{
    list-style-type: none;
    margin: 0 1rem;
}
nav ul li a{
    text-decoration: none;
    color: hsl(0, 0%, 41%);
}
nav ul li img{
    margin-left: 0.5rem;
}
.nav-btn button{
    border: 0;
    background-color: hsl(0, 0%, 98%);
    margin: 0 1rem; 
}
.sub-menu{
    display: none;
}
nav ul li:hover .sub-menu,
nav ul li:active .sub-menu{
    display: block;
    position: absolute;
    box-shadow: 1px 1px 3px hsl(0, 0%, 8%);
    background-color: hsl(0, 0%, 98%);
    border-radius: 3px;
}
nav ul li:hover .sub-menu ul,
nav ul li:active .sub-menu ul{
    display: block;
} 
nav ul li:hover .sub-menu ul li,
nav ul li:active .sub-menu ul li{
    padding: 6px;
}
.sub-menu li a:hover{
    letter-spacing: 1px;
}
.sub-menu img{
    padding-right: 5px;
}
button#register{
    width:5rem;
    height: 2rem;
    border: 2px solid hsl(0, 0%, 8%);
    padding: 0.4rem;
    border-radius: 10px;
}
.icon-menu{
    display: none;
}
main{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 5rem;
}
div.content{
    flex-direction: column;
    margin-right: 4rem;
    padding: 0.1rem 0.5rem;
}
h1{
    margin-bottom: 10rem;
    font-size: 50px; 
}
.content p{
    margin-top: -6rem;
    color:hsl(0, 0%, 41%);
}
#learn-btn{
    width: 7rem;
    height: 2rem;
    background-color: hsl(0, 0%, 8%);
    border-radius: 10px;
    color: hsl(0, 0%, 98%);
    margin: 4rem 0;
    font-weight: bold;
}
#learn-btn:hover,
#learn-btn:active{
    outline: none;
    color: hsl(0, 0%, 8%);
    background-color: hsl(0, 0%, 98%);
    transition: 0.4s;
}
.flex-logos img{
    margin: 0 0.4rem;
}
@media(max-width:768px){
    body{
        font-size:20px;
        overflow-x: hidden;
        scroll-behavior: smooth;
    }
    header{
        display: block; 
    }
    header nav{
        display: none;
    } 
    header .nav-btn{
        text-align: center;
    }
    header .nav-btn button{
        cursor: pointer;
    }
    header nav.active{  
        display: block;
        margin: 0.5rem 0;
        padding: 1rem;
        float: right; 
        width: 200px;
        position: absolute;
        right: 0;
        box-shadow: 4px 5px 8px black;
        background-color: hsl(0, 0%, 98%);
    }
    header .nav-btn.nav-btn.active{
        display: block;
    }
    header nav ul{
        display: flex;
        flex-direction: column;
    }
    .sub-menu,
    .sub-menu:active,
    .sub-menu:hover{
        margin-left: -9rem;
        margin-top: -1rem;
    }
    header nav ul li{
        margin-bottom: 2rem;
    }
    .icon-menu{
        display: block;
        position: absolute;
        top: 0;
        right: 0; 
        transform: translate(-50%, 100%); 
        cursor: pointer;
    }
    main{
        flex-direction: column-reverse;
        padding: 0;
        margin: 0;
        width: 100%;
    }
    .desktop-img img{
        width: 100%;
    } 
    div.content{
        margin: 10px 10px;
    }
    h1{
        text-align: center;
        font-size: 3rem;
    }
    .content .flex-logos{
        text-align: center;
    }
    .content p{
       font-size: 18px; 
       text-align: center;   
    }
    #learn-btn{
        margin: 3rem 40%;
    }

}