* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    list-style: none;
    text-decoration: none;
    font-family: Poppins;
}

body {
    background: #02131e00;
    position: absolute;
}

header img {
    width: 200px;
}

header {
    /*width: 80%;*/
    height: 70px;
    background: #02171e00;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    /*border-radius: 0 0 10px 10px;*/
    margin: 0 auto;
}

.logo {
    width: 50px;
    padding-top: 8px;   
}

nav .logo {
    display: none;
}

nav .logo:hover {
    color: red;
}

nav ul {
    display: flex;
}

nav ul li a {
    color : #000000;
    display: block;
    margin: 0 10px;
    font-weight: 500;
    padding: 8px 10px;
    transition: 0.2s;
    border-radius: 5px;
}

nav ul li a:hover {
    background: #000000;
    color: #ffffff;
}

.hamburger {
    display: none;
    height: fit-content;
    cursor: pointer;
    padding: 3px 8px;
    border-radius: 5px;
    transition: 0.2s;
}

/*.hamburger:hover {
    background: #f6f4ff;
}*/

.hamburger div {
    width: 30px;
    height: 2px;
    margin: 6px 0;
    background: #000000;
}

@media only screen and (max-width: 850px) {
    header {
        /*width: 90%;*/
        padding: 0 2px;
    }
    
    nav {
        position: absolute;
        left: -300px;
        top: 0;
        z-index: 999;
        width: 200px;
        height: 100vh;
        background-color: #ffffff;
        transition: 0.2s;
        box-shadow: 2px 0 20px 0 rgba(0, 0, 0, 0.05);
    }

    #nav_check:checked ~ nav {
        left: 0;
    }

    nav .logo {
        display: block;
        height: 70px;
        font-weight: 600;
        font-size: 30px;
        /*cursor: pointer;*/
        display: flex;
        align-items: center;
        color: #000000;
        margin-left: 160px;
    }

    nav ul li a {
        margin-bottom: 5px;
        padding: 10px 15px;
    }

    nav ul {
        display: block;
        padding: 0 20px;
        margin-top: 30px;
    }

    .hamburger {
        display: block;
    }
}

@media screen and (max-width: 600px) {
    header img {
        width: 150px;
    }
    
    .logo {
        width: 30px;
        margin-top: 10px;
    }
    
    .header-name {
        width: 40px;
        font-size: 30px;
    }
    
    .header-name a {
        font-size: 20px;
        font-weight: 500;
        letter-spacing: -1px;
    }
}

.flex-container{
    display: flex;
    flex-wrap: wrap;
    margin: 40px;
    text-align: center;
}

.flex-item-left {
    text-align: left;
    color: rgb(99, 116, 240);
    font-size: 20px;
    flex: 50%;
}

.flex-item-left h1 {
    font-family: Orbitron;
    font-size: 60px;
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: 0.4px;
    background: linear-gradient(to right, #7B68EE, #00FFFF);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.flex-item-left .sub-item {
    padding-top: 20px;
}

.flex-item-right {
    flex: 50%;
}

.flex-item-right img {
    width: 340px;
}

@media screen and (max-width: 1000px) and (min-width: 800px) {
    .flex-item-left h1 {
        font-size: 40px;
        line-height: 1.4;
    }
}

@media screen and (max-width: 800px) {
    .flex-item-right, .flex-item-left {
      flex: 100%;
    }
}

.heading {
    margin-top: 40px;
    font-weight: 600;
    font-size: 30px;
    text-align: center;
}


.row1 {
    margin: 20px;
    display: flex;
    flex-wrap: wrap;
}

.col1 {
    float: left;
    width: 25%;
    padding: 20px 20px;
}

.card1{
    max-width: 700px;
    height: 140px;
    border-radius: 5px;
    border: 1px solid rgb(99, 116, 240);
    margin: auto;
}

.card1:hover {
    box-shadow: 0 0 20px 0 rgba(20, 56, 87, 0.982);
}

.card-body1 {
    text-align: center;
    margin: 20px;
}

.card-body1 img {
    max-width: 120px;
    height: 100px;
}

.col2 {
    float: left;
    width: 33.33%;
    padding: 20px 20px;
}
        
.card2{
    max-width: 700px;
    height: 200px;
    border-radius: 5px;
    border: 1px solid rgb(99, 116, 240);
    margin: auto;
}
        
.card2:hover {
    box-shadow: 0 0 20px 0 rgba(20, 56, 87, 0.982);
}
        
.card-body2 {
    text-align: center;
    margin: auto;
}
        
.card-body2 img {
    padding: 5px;
    height: 195px;
    width: 80%;
    margin: auto;
}


@media screen and (max-width: 500px) {
    .card-body2 img {
        width: 100%;
    }
}

@media screen and (max-width: 1000px) {
    .col1, .col2 {
        width: 50%;
    }
}

.banner {
    margin: 60px 35px 40px 35px;
}
        
.banner .responsive {
    width: 100%;
    height: auto;
}

.banner .rounded-corners { 
    -moz-border-radius: 12px; 
    -webkit-border-radius: 12px; 
    border-radius: 12px; 
}

.desc {
    padding: 20px 20px 40px 20px;
}
        
.footer a{
    cursor: pointer;
    color: rgb(99, 116, 240);
    /*margin-bottom : 70px;*/
    font-family: arial;

}
.footer a:hover {
    color: rgb(0, 0, 0);
}

.footer {
    text-align: left;
    /*padding-right : ;
    height: 200px;*/
    width: 185px;
    padding-bottom: 30px;
}

.footer div {
    margin-bottom: 8px;
}

.footer h2 {
    font-family: Poppins;
    font-weight: 600;
    font-size: 20px;
    margin-bottom: 18px;
    color: rgb(0, 0, 0);
}

.footer1 {
    width: 370px;
}

.footer img {
    width: 200px;
}

.copyright {
    text-align: center;
    padding-bottom: 20px;
}

@media screen and (max-width: 600px) {
    .footer {
        width: 155px;
    }

    .footer1 {
        width: 310px;
    }

    .flex-container {
        margin: 40px 20px;
    }

    .flex-item-left h1 {
        font-size: 40px;
        line-height: 1.4;
    }
    
    .banner {
        margin: 40px 20px 30px 20px;
        }

    .col1, .col2 {
        padding: 10px 10px;
    }
}