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

body {
  font-family: 'Poppins', sans-serif;
  background-color: hsl(0, 0%, 98%);
  color: hsl(229, 6%, 66%);
  padding: 2rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

header h1 {
  font-weight: 200;
  color: hsl(234, 12%, 34%);
  margin-bottom: 1rem;
}

header h1 span {
  display: block;
  font-weight: 600;
}

header p {
  max-width: 600px;
  margin: 0 auto 3rem;
}

.cards {
  display: grid;
  gap: 2rem;
}

.card {
  background-color: white;
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  text-align: left;
  position: relative;
}

.card h3 {
  color: hsl(234, 12%, 34%);
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.9rem;
  line-height: 1.5;
}

.card img {
  position: absolute;
  bottom: 2rem;
  right: 2rem;
  width: 40px;
  height: 40px;
}

.supervisor {
  border-top: 4px solid hsl(180, 62%, 55%);
}

.team-builder {
  border-top: 4px solid hsl(0, 78%, 62%);
}

.karma {
  border-top: 4px solid hsl(34, 97%, 64%);
}

.calculator {
  border-top: 4px solid hsl(212, 86%, 64%);
}

@media (min-width: 768px) {
  .cards {
    grid-template-columns: repeat(3, 1fr);
    grid-template-areas:
      "supervisor team-builder calculator"
      ". karma .";
  }

  .supervisor {
    grid-area: supervisor;
  }

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

  .karma {
    grid-area: karma;
  }

  .calculator {
    grid-area: calculator;
  }
}