@import url('https://fonts.googleapis.com/css2?family=Karla:wght@200;300;400;500;600;700;800&display=swap');

* {
    margin: 0;
    padding: 0;
    font-family: 'Karla', sans-serif;

}

.header {
    min-height: 100vh;
    width: 100%;
    background-color: #191827;
    background-position: center;
    background-size: cover;
    position: relative;
}

nav {
    display: flex;
    padding: 2% 6%;
    justify-content: space-between;
    align-items: center;
}

nav img {
    width: 60px;
}

.nav-links {
    flex: 1;
    text-align: right;
}

.nav-links ul li{
    list-style: none;
    display: inline-block;
    padding: 8px 12px;
    position: relative;
}

.nav-links ul li a{
    color: #fff;
    text-decoration: none;
    font-size: 20px;
}

.nav-links ul li::after{
    content: '';
    width: 0%;
    height: 2px;
    background: #7436f7;
    display: block;
    margin: auto;
    transition: 0.5s;
}

.nav-links ul li:hover::after{
    width: 100%;
}

.text-box {
    width: 90%;
    color: #fff;
    position: absolute;
    top: 52%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.text-box h1{
    font-size: 60px;
}

.text-box p{
    margin: 10px 0 40px;
    font-size: 17px;
    color: #fff;
}

.hero-btn {
    display: inline-block;
    text-decoration: none;
    color: #fff;
    padding: 12px 34px;
    font: 13px;
    background: #7436f7;
    position: relative;
    cursor: pointer;
}

.hero-btn:hover{
    border: 4px solid #7436f7;
    background: #191827;
    color: #fff;
    transition: 0.3s;

}

nav .fa{
    display: none;

}

.services {
    color: #fff;
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 100px;
}

h1{
    color: #fff;
    font-size: 50px;
    font-weight: 600;
}

p{
    color: #fff;
    font-size: 17px;
    font-weight: 300;
    line-height: 22px;
    padding: 10px;
}

.row{
    margin-top: 5%;
    display: flex;
    justify-content: space-between;
}

.course-col{
    flex-basis: 31%;
    background: #202938;
    border-radius: 10px;
    margin-bottom: 20%;
    padding: 20px 12px;
    box-sizing: border-box;
    transition: 0.5s;
}

.course-col h3{
    text-align: center;
    font-weight: 600;
    margin: 10px;
}

.course-col:hover{
    box-shadow: 0 0 20px 0px #7436f7;
}

@media(max-width: 700px){
    .row{
        flex-direction: column;
    }
}