* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: "Poppins", sans-serif;
  height: 100vh;
}

/* custom properties */
:root {
  --Red: hsl(0, 78%, 62%);
  --Cyan: hsl(180, 62%, 55%);
  --Orange: hsl(34, 97%, 64%);
  --Blue: hsl(212, 86%, 64%);
  --VeryDarkBlue: hsl(234, 12%, 34%);
  --GrayishBlue: hsl(229, 6%, 66%);
  --Very-Light-Gray: hsl(0, 0%, 98%);
}

main {
  display: grid;
  max-width: 400px;
  gap: 1rem;
  background: var(--Very-Light-Gray);
  margin: 0 auto;
  padding: 5rem 1.5rem;
}

h1,
.caption {
  font-size: 1.5rem;
}

h1,
h3 {
  color: var(--VeryDarkBlue);
}
h1 {
  font-weight: 600;
}
.header {
  text-align: center;
}
.caption {
  font-weight: 200;
}
.message {
  margin: 1.5rem auto 3.5rem;
  font-size: 15px;
  color: var(--GrayishBlue);
}
.category {
  display: grid;
  text-align: left;
  padding: 2em;
  border-radius: 5px;
  background: white;
  font-size: 15px;
  border-top: 5px solid;
  margin-bottom: 0.5rem;
  box-shadow: 3px 3px 9px 2px var(--GrayishBlue);
}
.category h3 {
  /* color: ; */
  font-weight: 600;
}
.desc {
  font-size: 13px;
  color: var(--GrayishBlue);
}
.category img {
  justify-self: right;
  margin-top: 2rem;
}
.supervisor {
  border-top-color: var(--Cyan);
}
.team-builder {
  border-top-color: var(--Red);
}
.karma {
  border-top-color: var(--Orange);
}
.calculator {
  border-top-color: var(--Blue);
}

@media screen and (min-width: 992px) {
  main {
    max-width: 100%;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 0rem;
    padding: 2rem 5rem;
    justify-items: center;
  }
  h1,
  .caption {
    font-size: 2.3rem;
  }
  .message {
    margin-top: 1rem;
    margin-bottom: 0rem;
  }

  .category {
    max-width: 350px;
    margin-bottom: 0px;
    height: fit-content;
  }
  .header {
    grid-column: 1/-1;
    justify-content: center;
    max-width: 500px;
    grid-row: 1/2;
  }

  .supervisor,
  .calculator {
    grid-column: 1/2;
    grid-row: 1/-1;
    margin-top: 270px;
    justify-self: end;
    align-self: center;
  }
  .team-builder,
  .karma {
    margin: 1rem 2rem;
  }
  .team-builder {
    grid-column: 2/3;
    grid-row-start: 2;
    align-self: end;
  }
  .karma {
    grid-column: 2/3;
  }
  .calculator {
    grid-column: 3/-1;
    justify-self: start;
  }
}