:root{
 --Red:hsl(0, 78%, 62%);
 --Cyan: hsl(180, 62%, 55%);
 --Orange: hsl(34, 97%, 64%);
 --Blue: hsl(212, 86%, 64%);
 --Grey500: hsl(234, 12%, 34%);
 --Grey400: hsl(212, 6%, 44%);
 --White: hsl(0, 0%, 100%);
}

body{
  background-color: var(--White);
  font-family: Poppins;
  margin: 2rem 0 0 0 ;
  color: var(--Grey400);
}

header .reliable{ 
  font-size: 1.5rem;
  font-weight: 250;
  color: var(--Grey400);
}

header h1{
  font-size: 1.5rem;
  color: var(--Grey500);
  margin: 0 0 0.7rem 0;
}

header .description{
  font-weight: 500;
  margin: 0 0 1rem 0;
}

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

header{
  display: grid;
  margin: 0 auto;
  text-align: center;
  width: 80%;
}

section{
  display: grid;
  
}

.box{
  border-radius: 8px;
  padding: 2rem;
  margin: 2rem;
  box-shadow: -10px 10px 20px  rgb(212, 212, 212);
  display: flex;
  flex-direction: column;
}

.box--supervisor{
  border-top: 4px solid var(--Cyan);
}

.box--team-builder{
  border-top: 4px solid var(--Red);
}

.box--karma{
  border-top: 4px solid rgb(255, 208, 0);
}

.box--calculator{
  border-top: 4px solid var(--Blue);
}

.box h2{
  color: var(--Grey500);
  margin: 0 0 0.5rem 0 ;
}

.box p {
  font-weight: 400;
  margin: 0 0 2rem 0;
}

.box img{
  width: auto;
  height: auto;
  margin-top: auto;
  align-self: flex-end;
}

@media (min-width: 37.5em) {
  section{
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width : 64em) {
  section {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
    max-width: 1440px;
    align-items: center;
    margin: 0 auto;
  }

  .box--supervisor{
    grid-column: 1;
    grid-row: 1/3;
  }
  .box--team-builder{
    grid-column: 2;
    grid-row: 1;
  }
  .box--karma{
    grid-column: 2;
    grid-row: 2;
  }
  .box--calculator{
    grid-column: 3;
    grid-row: 1/3;
  }

  
header .reliable{ 
  font-size: 2rem;
  font-weight: 250;
  color: var(--Grey400);
}

header h1{
  font-size: 2rem;
  color: var(--Grey500);
  margin: 0 0 0.7rem 0;
}

header .description{
  font-weight: 500;
  margin: 0 0 1rem 0;
  max-width: 50%;
  margin: 0 auto;
}

}