#portfolio{
    padding: 0;
}
#portfolio > h1{
    background: rgba(0, 0, 0, 0.5) url("../assets/bg5.jpg");
    /* width: 100%; */
    padding: 50px;
    color: white;
    font-size: 50px;
}
#portfolio{
    padding: 0;
}
#portfolio .header h1{
    /* background: rgba(0, 0, 0, 0.5); */
    padding: 50px;
    color: white;
    font-size: 50px;
}
/* #portfolio .text p{
    line-height: 1.5em;
    margin-top: 20px;
    font-size: 20px;
} */
#portfolio .overview{
    color: red;
    background: var(--light-gray);
    padding: 10px;
    line-height: 1.5em;
    font-weight: 500;
    font-size: 18px;
    width: 300px;
    margin: 20px;
}
#portfolio .section-1 img{
    width: 80%;
}
#portfolio .section-2{
    margin-top: 30px;
}
#portfolio .section-2 p{
    font-size: 1.3em;
    margin-bottom: 15px;
    line-height: 2rem;
}
#portfolio ol{
    counter-reset: custom-counter;
}
#portfolio ol li {
    counter-increment: custom-counter;
    position: relative;
    margin-bottom: 10px;
    padding-left: 40px;
    line-height: 1.5em;
    font-size: 20px;
}
#portfolio ol li::before {
    content: counter(custom-counter);
    position: absolute;
    left: 0;
    top: 5px;
    width: 18px;
    height: 18px;
    border: 1.5px solid var(--blue); 
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--blue);
    font-weight: 500;
}

#portfolio main > h2{
    text-transform: uppercase;
    font-family: serif;
    font-size: 30px;
    /* color: var(--blue); */
    position: relative;
    margin-bottom: 20px;
}
#portfolio main{
    display: grid;
    grid-template-columns: 35% 65%; 
    margin-top: 50px;
    padding: 0 30px;
    justify-items: center;
}
main > ul h2{
    text-transform: uppercase;
    font-family: serif;
    font-size: 30px;
    /* color: var(--blue); */
    position: relative;
    margin-bottom: 20px;
}
main > ul li{
    font-size: 20px;
    margin: 15px 0;
    font-weight: 600;
    cursor: pointer;
    color: var(--blue);
    position: relative;
    width: fit-content;
}
main > ul li::before{
    position: absolute;
    content: "";
    width: 0%;
    height: 2px;
    bottom: -3px;
    background: var(--blue);
    transition: .8s;
}
main > ul li:hover::before{
    width: 70%;
}
main > ul li.active::before{
    width: 70%;
}
#portfolio main img{
    width: 90%;
}
main p{
    font-size: 20px;
    line-height: 1.5em;
    margin-top: 20px;
}
#portfolio article{
    margin-bottom: 50px;
    /* display: none; */
}
#portfolio article h2{
    font-weight: 600;
    position: relative;
    /* margin-bottom: 50px; */
}
#portfolio article h2:not(.values h2):after{
    content: "";
    height: 2px;
    width: 100px;
    top: 50%;
    margin-left: 10px;
    background: var(--blue);
    opacity: .5;
    position: absolute;
}
#portfolio article img{
    margin: 20px 0;
}


.intro{
    /* display: none; */
}
.nigeria{
    display: none;
}
.angola{
    display: none;
}
.guinea{
    display: none;
}
.gabon{
    display: none;
}


@media (max-width: 1000px){
    #portfolio{
        margin-top: 80px;  
    }
    #portfolio .header h1{
        padding: 20px;
        font-size: 30px;
    }
    #portfolio main{
        display: block;
        margin-top: 20px;
    }
    #portfolio .text p, #portfolio .section-2 p{
        font-size: 16px;
        line-height: 1.5em;
    }
    #portfolio ol li{
        font-size: 16px;
    }
    main > h2{
        display: none;
    }
    main .overview{
        display: none;
    }
    #portfolio p{
        font-size: 16px;
    }
    main ul h2{
        display: none;
    }
    #portfolio article h2:after{
        display: none;
    }
}