:root {
    --red: hsl(0, 78%, 62%);
    --cyan: hsl(180, 62%, 55%);
    --orange: hsl(34, 97%, 64%);
    --blue: hsl(212, 86%, 64%);
    --grey-500: hsl(234, 12%, 34%);
    --grey-400: hsl(212, 6%, 44%);
    --white: hsl(0, 0%, 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: hsl(0, 0%, 99%);
}

.wrapper {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

header {
    text-align: center;
    margin: 6em auto 5em;
    width: min(35em, 90%);
}

header h1 > * {
    display: block;
}

main {
    display: grid;
    grid-template-areas:
        ". team-builder ."
        "supervisor team-builder calculator"
        "supervisor karma calculator"
        ". karma ."
    ;
    gap: 2em;
    margin: 3em auto;
    width: min(70em, 90%);
}

.supervisor {
    grid-area: supervisor;
}

.team-builder {
    grid-area: team-builder;
}

.karma {
    grid-area: karma;
}

.calculator {
    grid-area: calculator;
}

footer {
    margin: auto 0.5em 0.5em;
    padding-bottom: 0.5em;
    text-align: center;
    color: var(--grey-400);
    font-size: 0.85em;
}

/* Styling */
p,
h1,
h2 {
    font-family: "Poppins", sans-serif;
    color: var(--grey-500);
}

h1 {
    font-size: 2.3em;
}

.thin {
    font-weight: 200;
}

.bold,
h2 {
    font-weight: 600;
}

.sub-header {
    margin-top: 1.1em;
    color: var(--grey-400);
}

h2 {
    font-size: 1.3em;
}

.description {
    color: var(--grey-400);
    font-size: 0.85em;
    margin-top: 0.5em;
}

.box {
    background-color: var(--white);
    box-shadow: 0 5px 20px hsl(212, 6%, 80%);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    min-height: 16em;
}

.box div {
    padding: 2em 3em 2em 2em;
}

.cyan-box div {
    border-top: 4px solid var(--cyan);
}

.red-box div {
    border-top: 4px solid var(--red);
}

.orange-box div {
    border-top: 4px solid var(--orange);
}

.blue-box div {
    border-top: 4px solid var(--blue);
}

.box img {
    position: absolute;
    bottom: 3em;
    right: 2em;
}

footer a {
    color: var(--blue);
}

footer a:hover {
    color: var(--red);
}

@media only screen and (max-width: 850px) {
    main {
        grid-template-areas: 
            "supervisor"
            "team-builder"
            "karma"
            "calculator"
        ;
        width: min(330px, 90%);
    }

    header {
        margin: 4em auto;
    }

    h1 {
        font-size: 1.8em;
    }
}