* {
  box-sizing: border-box;
}

:root {
  --red: hsl(0, 78%, 62%);
  --cyan: hsl(180, 62%, 55%);
  --orange: hsl(34, 97%, 64%);
  --blue: hsl(212, 86%, 64%);
  --very-dark-blue: hsl(234, 12%, 34%);
  --grayish-blue: hsl(229, 6%, 66%);
  --very-light-gray: hsl(0, 0%, 98%);

  font-size: 15px;
  font-family: 'Poppins', 'Roboto', Verdana, sans-serif;
  color: var(--very-dark-blue);
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--very-light-gray);
  min-height: 100vh;
  display: flex;
  flex-flow: column nowrap;
  justify-content: center;
  align-items: center;
}

header {
  width: 500px;
  text-align: center;
  margin-bottom: 50px;
}

header h1 {
  display: flex;
  flex-direction: column;
}

header span:not(.hero) {
  font-weight: 200;
}

header p, article > p {
  color: var(--grayish-blue);
  font-size: 1rem;
}

main {
  display: grid;
  align-items: center;
  grid-template-areas: 
    "left centerup right"
    "left centerdown right";
  gap: 30px;
}

article {
  max-width: 400px;
  border-radius: 6px 6px 10px 10px;
  padding: 40px;
  border-top: 5px solid;
  background-color: white;
  box-shadow: 0px 10px 25px 5px hsla(234, 12%, 34%, 0.1),
              0px 15px 15px 0px hsla(234, 12%, 34%, 0.05);
  width: 1fr;
}

article h2 {
  margin-top: 0;
}

article img {
  display: block;
  margin-top: 40px;
  margin-left: auto;
}

article.karma {
  border-top-color: var(--orange);
  grid-area: centerdown;
}

article.calculator {
  border-top-color: var(--blue);
  grid-area: right;
}

article.supervisor {
  border-top-color: var(--cyan);
  grid-area: left;
}

article.team-builder {
  border-top-color: var(--red);
  grid-area: centerup;
}


@media only screen and (max-width: 1300px) {
  body {
    padding: 50px 20px;
  }

  header {
    width: fit-content;
  }

  header h1 {
    font-size: 1.8rem;
  }

  header p, article p {
    font-size: 1.1rem;
  }

  main {
    display: block;
  }

  article {
    margin: 20px 0;
  }
}