* {
    padding: 0;
    margin: 0;
}

body {
    font-family: Poppins;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin-left: auto;
    margin-right: auto;
    max-width: 1440px;
    gap: 40px;
}

.main{
    display: flex;
    flex-direction: column;
    align-items: center;
    align-self: center;
    margin-top: 80px;
    max-width: 500px;
    text-align: center;
}

.main > p {
    color: #697077;
    font-size: 15px;
}

.first-heading {
    font-weight: 200;
    color: #697077;
}


.second-heading {
    font-weight: 600;
    color: #4c4e61;
}

.cards {
    display: grid; 
    grid-template-rows: auto repeat(4, auto); 
    grid-template-columns: repeat(3, 1fr);
    padding: 20px;
    gap: 20px;
}

.card {
    display: flex;
    flex-direction: column;
    border-radius: 8px;
    padding: 25px;
    box-shadow:0px 24px 48px 0 rgba(0,0,0,0.12);
}

.cards h2 {
    color: #4c4e61;
    font-size: 20px;
}

.cards p {
    color: #697077;
    font-size: 15px;
}

.card img {
    align-self: flex-end;
    size: 64px;
    margin-top: 50px;
}


.supervisor {
    grid-column: 1 / span 0; 
    grid-row: 2 / span 2;
    border-top: 4px solid #45d3d3;
}

.team-builder {
    grid-column: 2 / span 0; 
    grid-row: 1 / span 2;
    border-top: 4px solid #ea5353;
}

.calculator {
    grid-column: 3 / span 0; 
    grid-row: 2 / span 2;
    border-top: 4px solid #549ef2;
}

.karma {
    grid-column: 2 / span 0; 
    grid-row: 3/ span 2;
    border-top: 4px solid #fcaf4a;
}

@media (max-width: 600px) {
    .main {
        align-items: center;
        align-self: center;
        margin-right: 20px;
        margin-left: 20px;
    }

    .cards {
        grid-template-columns: 1fr;
        margin-left: auto;
        margin-right: auto;
    }

    .supervisor , .karma, .calculator, .team-builder {

        grid-column: 1/-1;
        grid-row: auto;
    }

    .first-heading , .second-heading{
        font-size: 25px;

    }
}