* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    height: 100vh;
    
    display: flex;
    flex-direction: column;
    /* justify-content: center; */
    gap: 40px;
    padding: 50px 20px;
    font-family: Poppins, sans-serif;
    background-color: hsl(0, 0%, 100%);
}
header {
    position: relative;
    text-align: center;
    width: 47%;
    margin: 0 auto;
}

header h1 {
    color: hsl(212, 6%, 44%);
    font-weight: 200;
}
header span {
    display: block;
    color: hsl(234, 12%, 34%);
    font-weight: 600;
}

header p {
    font-weight: 400;
    color: hsl(234, 12%, 34%);
}
main {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    grid-template-areas: 
        "supervisor team-builder calculator"
        "supervisor karma calculator";
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}
.card {
    min-height: 200px;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    background-color: hsl(0, 0%, 100%);
}
.card h2 {
    color: hsl(234, 12%, 34%);
    font-weight: 600;
}
.card p {
    font-size: 15px;
    color: hsl(234, 12%, 34%);
    font-weight: 200;
}
.card img {
    width: 2.5rem;
    align-self: flex-end;
}
.supervisor {
    border-top: 2px solid cadetblue;
    grid-area: supervisor;
    display: flex;
    gap: 10px;
    flex-direction: column;
    padding: 20px;
    margin: auto 0;
}
.team-builder {
    border-top: 2px solid hsl(0, 78%, 62%);
    grid-area: team-builder;
    display: flex;
    gap: 10px;
    flex-direction: column;
    padding: 20px;
}
.karma {
    border-top: 2px solid yellow;
    grid-area: karma;
    display: flex;
    gap: 10px;
    flex-direction: column;
    padding: 20px;
}
.calculator {
    border-top: 2px solid blue;
    grid-area: calculator;
    margin: auto 0;
    display: flex;
    gap: 10px;
    flex-direction: column;
    padding: 20px;
}
footer {
    margin: 50px auto;
}
@media (max-width: 768px) {
    /* Header and header->paragraph styles */
    header  {
        width: 60%;
        p {
            width: 75%;
            margin: 0 auto;
        }
    }

    main {
        grid-template-areas:
        "supervisor"
        "team-builder"
        "calculator"
        "karma";
        grid-template-columns: 1fr;
        
        .card {
            width: 55%;
            margin: 0 auto;
            
        }
    }
}