Landing Page with CSS Animations Karate SCSS

style.scss

//VARIABLES

$dark: #0d1113;
$red: #f84443;

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

section{

    position: relative;
    width: 100%;
    min-height: 100vh;
    background: $dark;
    display: flex;
    justify-content: space-between;
    align-items: center;

    &:before{
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background:$red;
        clip-path: polygon(100% 0, 100% 0, 100% 100%, 55% 100%);
        animation: fade-in .5s forwards ease-in;
        animation-delay: .8s;
        opacity: 0;
    }

    .content{
        position: relative;
        padding: 100px 50px 100px 150px;
        color: white;
        animation: left-in .5s forwards ease-in;
        animation-delay: .3s;
        opacity: 0;

        h2{
            font-size: 4rem;
            font-weight: 800;
            text-transform: uppercase;

            span{
                color: $red;
            }
        }

        h3{
            font-family: 'Lexend Peta', sans-serif;
            font-size: 2.5rem;
            margin-bottom: 30px;
        }

        p{
            font-size: 1.2rem;
        }

        a{
            color: white;
            text-decoration: none;
            font-size: 1.3rem;
            border: 1px solid white;
            border-radius: 5px;
            padding: 10px 15px;
            display: inline-block;
            margin: 40px 0;
            transition: .3s;

            &:hover{
                background: $red;
                border-color: $red;
            }
        }
    }

    .imgBx{
        position: relative;
        padding-right: 100px;
        img.cover{
            width: 400px;
            animation: fade-in .5s forwards ease-in;
            animation-delay: 1s;
            opacity: 0;
        }
    }

    .social{
        position: absolute;
        bottom: 40px;
        left: 150px;
        display: flex;
        animation: left-in .5s forwards ease-in;
        animation-delay: .5s;
        opacity: 0;

        li{
            list-style: none;

            a{
                text-decoration: none;
                color: rgba(255,255,255,.8);
                margin-right: 30px;
                font-size: .9rem;
                transition: .3s;

                &:hover{
                    color: $red;
                }
            }
        }
    }

    .nav{
        position: absolute;
        top: 40px;
        left: 150px;
        display: flex;
        font-family: 'Lexend Peta', sans-serif;
        border-left: 5px solid $red;
        padding-left: 20px;
        animation: left-in .5s forwards ease-in;
        animation-delay: 0s;
        opacity: 0;

        li{
            list-style: none;

            a{
                text-decoration: none;
                color: rgba(255,255,255,.8);
                margin-right: 50px;
                font-size: 1.1rem;
                transition: .3s;

                &:hover{
                    color: $red;
                }
                &.active{
                    color: $red;
                }
            }
        }
    }
}

@keyframes fade-in{
    0%{
        opacity: 0;
    }
    100%{
        opacity: 1;
    }
}

@keyframes left-in{
    0%{
        transform: translateX(-200px);
    }
    100%{
        transform: translateX(0);
        opacity: 1;
    }
}