@import url('https://fonts.googleapis.com/css2?family=Roboto+Slab:wght@100..900&display=swap');

*{
    margin: 0;
    padding: 0;
    font-family: 'Roboto Slab', sans-serif;
    box-sizing: border-box;
}
html{
    scroll-behavior: smooth;
}
body{
    margin: 20px;
    padding: 0;
    text-align: center;
    background-image: radial-gradient(#1f2b94,#151B54);
    color: #fff;
}
h1 span{
    color:#87CEEB;
}
nav{
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}
.logo{
    width: 140px;

}
nav ul li{
    display: inline-block;
    list-style: none;
    margin: 10px 20px;
}
nav ul li a{
    color:#fff;
    text-decoration: none;
    font-size: 15px;
    position: relative;

}
nav ul li a::after{
    content: '';
    width: 0;
    height: 3px;
    background: #87CEEB;
    position: absolute;
    left: 0;
    bottom: -6px;
    transition: 0.5s;
}
nav ul li a:hover::after{
    width: 100%;
}
.container{
    padding: 10px 10%;
}
nav{
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}
.logo{
    width: 140px;

}

/*------------------portfolio------------------*/
#portfolio{
    padding: 50px 0;
}
.work-list{
    display: grid;
    grid-gap: 40px;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-flow: denses;
    margin-top: 50px;
}
.work{
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}
.work img{
    width: 100%;
    border-radius: 10px;
    display: block;
    transition: transform 0.5s;
}
.layer{
    width: 100%;
    height: 0;
    background: linear-gradient(rgba(0,0,0,0.6), #87CEEB);
    border-radius: 10px;
    position: absolute;
    left: 0;
    bottom: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 40px;
    text-align: center;
    font-size: 14px;
    transition: height 0.5s;
}
.layer h3{
    font-weight: 500;
    margin-bottom: 20px;
}
.layer a{
    margin-top: 20px;
    color: #87CEEB;
    text-decoration: none;
    font-size: 18px;
    line-height: 60px;
    background: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    text-align: center;
}
.work:hover img{
    transform: scale(1.1);
}
.work:hover .layer{
    height: 100%;
}
.btn{
    display: block;
    margin: 50px auto;
    width: fit-content;
    border: 1px solid #87CEEB;
    padding: 14px 50px;
    border-radius: 6px;
    text-decoration: none;
    color: #fff;
    transition: background 0.5s;
}
.btn:hover{
    background: #87CEEB;
}

.buttons{
    display:flex;
    /* items are centered along the line */
    justify-content: center;
    /* center: items are centered in the cross-axis */
    align-items: center;
}
.copyright{
    width: 100%;
    text-align: center;
    padding: 25px 0;
    background: #123456;
    font-weight: 300;
    margin-top: 20px;
}
.copyright i{
    color: #87CEEB;
}
@media only screen and (max-width: 600px){
    .work-list{
        display: grid;
        grid-gap: 40px;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        margin-top: 50px;
    }
    .layer{
        width: 100%;
    }
    nav ul li{
        display: none;
    }
}