*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Urbanist", sans-serif;
}
html{
    font-size: 62.5%;
}
:root{
    --navbar-background:#D2D6DC;
    --nav-heading:black;
    --content-color:#fff;
    --background-color:#00224D;
}
section {
    scroll-snap-align: center;
  }
  
/*         Navbar-section          */
.container{
    width:100%;
    margin: 0 auto; 
}
.grid-two-column{
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap:6.4rem
}
.list{ 
    list-style: none;
& li a{
    text-decoration: none;
    color: var(--nav-heading);
    text-transform: uppercase;
    font-weight: bold;
    font-size:1.2rem;
    display: inline-block;
    position: relative;
    &::after{
        content: "";
        position: absolute;
        bottom: -0.3rem;
        left: 0;
        width: 0%;
        border-bottom: 0.2rem solid black;
        transition:width .5s linear 0s;
        -webkit-transition:width .5s linear 0s;
        -moz-transition:width .5s linear 0s;
        -ms-transition:width .5s linear 0s;
        -o-transition:width .5s linear 0s;
}
}
& li a:hover::after{
width: 100%;
}
}
.section-navbar{
    max-width: 128rem;
    & .container{
        background-color: var(--navbar-background);
    }
}
.section-navbar{
    width: 100%;
    box-shadow: rgba(0, 0, 0, 0.08) 0px 5px 15px; 
}
.section-navbar .container{
    height:8.4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    & .navbar-brand{
        padding-left: 3.4rem;
    }
}
.navbar .list{
    display: flex;
    flex-direction: row;
}
.listitem{
    padding: 0.7rem;
}
/*                   Home-section starts           */
.home{
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-flow: column;
    position: relative;
    z-index: 0;
}
.home .content{
    text-align: center;
}
.home .content h3{
    font-size: 4.5rem;
    color: #fff;
    text-transform: uppercase;
    text-shadow: 0.3rem 0.5rem rgba(0,0, 0, 0.1);
}
.home .content p{
    font-size: 2.5rem;
    color: #fff;
    padding: 0.5rem 0;
}
.home .video-container video{
    position:absolute;
    top: 0;
    left: 0;
    z-index: -1;
    height: 100%;
    width: 100%;
    object-fit: cover;
}
.home .content .btn{
    padding: 1.2rem ;
    margin-top: 2rem ;
    background-color:var(--navbar-background);
    color:var(--nav-heading);
    display: inline-block;
    text-decoration: none;
    font-size: 1.6rem;
    border-radius: 0.6rem;
    -webkit-border-radius: 0.6rem;
    -moz-border-radius: 0.6rem;
    -ms-border-radius: 0.6rem;
    -o-border-radius: 0.6rem;
}
/*                                   About-section                */
.About-section{
    background-color:black;
}
.heading1{
    font-size: 5.6rem;
    text-transform: capitalize;
    color:var(--content-color);
    display: grid;
    place-items: center;
    padding-top: 2.4rem;
    font-family: poppins;
    letter-spacing: 0.1rem;
    color: #dfdfdf;

text-shadow: 4px 4px 0px #000, 
    -4px 0 0px #000,
    7px 4px 0 #fff;
}
.about-content{
    border: 0.001rem solid var(--content-color);
    margin: 4.4rem;
    border-radius: 4.4rem;
    -webkit-border-radius: 4.4rem;
    -moz-border-radius: 4.4rem;
    -ms-border-radius: 4.4rem;
    -o-border-radius: 4.4rem;
    box-shadow: rgba(255, 255,255, 0.62) 0px 2px 4px 0px, rgba(255, 255, 255, 0.62) 0px 2px 16px 0px;
    color: var(--content-color);
    font-size: 1.8rem;
    & .para{
        padding: 2.2rem;
        font-family: poppins;
        letter-spacing: 0.1rem;
    }
}
.about-content:hover{
    scale: 1.1;
    transition: all 0.3s linear;
    -webkit-transition: all 0.3s linear;
    -moz-transition: all 0.3s linear;
    -ms-transition: all 0.3s linear;
    -o-transition: all 0.3s linear;
}
/*                                Scroll bar-section                            */
::-webkit-scrollbar {
    width: 1rem;
  }
  ::-webkit-scrollbar-track {
    background:gray;
  }
  ::-webkit-scrollbar-thumb {
    background: grey;
    border-radius: 50px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: var(--navbar-background);
  }
  /*                            Services-section                          */
  .services-section{
    & .container{
        background-color: black;
        padding-right: 2.2rem;
        padding-left: 2.2rem;
    }
  }
  .grid-three-column{
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 4.4rem;
    padding-bottom: 0.8rem;
    padding-right: 2.2rem;
    & .courses{
        padding: 2.4rem;
        & .heading{
            padding-top: 2.2rem;
            color: var(--navbar-background);
            font-size: 2.2rem;
            font-family: jost;
            letter-spacing: 0.1rem;
        }
        & .para{
            color: var(--content-color);
            letter-spacing: 0.1rem;
            font-family: jost;
            font-size: 1.8rem; 
        }
    }
  }
  .fa-brands{
    padding: 2.4rem;
    font-size: 2.4rem;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
}
.fa-solid{
    padding: 2.4rem;
    font-size: 2.4rem;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
}
.courses:hover{
    box-shadow: rgba(255, 255, 255, 0.35) 0px 5px 15px;
}
.fa-js{
    background-color: rgb(243, 185, 95 ,0.6);
    color:#F3B95F;
}
.fa-python{
    background-color: #E1F0DA;
    color: #99BC85;
}
.fa-laptop-code{
    background-color: #AAD7D9;
    color: #275b5c;
}
.fa-java{
    background-color: #FFEEF4;
    color: #F2BED1;
}
.fa-database{
    background-color:var(--navbar-background) ;
    color: black;
}
.fa-html5{
    background-color: #B0A695;
    color: #776B5D;
}
.course{
    background-color: rgb(235, 243, 254,0.3);
}
/*                                  footer-section                                     */
.icons{
    transition: all 0.3s linear;
    -webkit-transition: all 0.3s linear;
    -moz-transition: all 0.3s linear;
    -ms-transition: all 0.3s linear;
    -o-transition: all 0.3s linear;
}
footer{
    & .container{
    background-color: #000;
    padding-top: 15rem;
    }
    & .lists{
        list-style: none;
        text-decoration: none;
        list-style-type: none;
        color: var(--content-color);
        font-size:1.5rem;
        line-height: 2.2rem;
    }
    & .footer{
        color: var(--content-color);
        margin-top: -6.8rem;
        & .content{
            & .heading{
                font-size: 2.2rem;
            }
            & .para{
                font-size: 1.5rem;
            }
        }
    }
    & .icons{
        padding-top: 3rem;
        .fa-brands:hover{
            background-color: var(--content-color);
            color:var(--background-color);
            transform: rotate(360deg);
            -webkit-transform: rotate(360deg);
            -moz-transform: rotate(360deg);
            -ms-transform: rotate(360deg);
            -o-transform: rotate(360deg);
}
        & .fa-brands{
            padding:1.2rem;
            border-radius: 50%;
            margin-right:2.4rem;
            color:palevioletred;
            background-color:pink;
            font-size:1.8rem;
            -webkit-border-radius: 50%;
            -moz-border-radius: 50%;
            -ms-border-radius: 50%;
            -o-border-radius: 50%;
}
    }
}
.imgs{
    width: 30rem;
    height: auto;
}

.icons{
    & .fa-brands{
        transition: all 0.3s linear;
        -webkit-transition: all 0.3s linear;
        -moz-transition: all 0.3s linear;
        -ms-transition: all 0.3s linear;
        -o-transition: all 0.3s linear;
}
}
.grid-four-column{
    display: grid;
    grid-template-columns: repeat(4,1fr);  
    gap: 4.4rem;  
    padding-bottom: 3.6rem;
    padding-right: 2.2rem;
    & .courses{
        padding: 2.4rem;
        & .heading{
            padding-top: 2.2rem;
        }
    }
}
.lists a{
    text-decoration: none;
    list-style: none;
    color: var(--content-color);
    font-size: 1.5rem;
}
 @media(width <= 540px){
    html{
    font-size:45%;
    }
    .grid-two-column,.grid-three-column{
        grid-template-columns: 1fr;
    }
}
@media(width <= 540px){
    .grid-four-column{
        grid-template-columns: 1fr;
        padding: 22px;
    }
}
.about-details{
    & .grid-two-column{
        margin-top: 3.2rem;
        gap: 6.4rem;
    }
    & .mb-3{
    margin-bottom: 3.2rem;
    margin-top: 3.2rem;
    }
}
label{
    display: block;
    text-transform: capitalize;
    font-size: 1.7rem;
    color: var(--content-color);
}
.contact-section{
    & .section-about-heading{
        margin-top: -8.6rem;
    }
}
input,textarea{
    width: 100%;
    padding: 1.4rem 2.4rem;
    font-size: 1.7rem;
    letter-spacing: 0.1rem;
}
::placeholder{
    font-size: 1.6rem;
    letter-spacing: 0.1rem;
}
.map{
    padding-right: 2.2rem;
    display: grid;
    place-items: center;
}
.contact-section{
    padding-top: 8.4rem;
    background-color: #000;
    & .container{
        padding-left: 2.2rem;
    }
}