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

body {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  font-family: "poppins", sans-serif;
  background-color: hsl(0, 0%, 98%);
}

main {
  max-width: 60rem;
  width: 100%;
  padding: 4rem 1rem;
}

/********************* header *********************/
.header {
  text-align: center;
  margin-bottom: 3rem;
}

.header__title {
  font-size: 2rem;
  font-weight: lighter;
  line-height: 1;
  margin-bottom: 0.125rem;
  color: #4c4e61;
  margin-bottom: 0.4rem;
}

.header__subtitle {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 0.625rem;
  color: #4c4e61;
  line-height: 1;
}

.header__description {
  font-size: 1rem;
  color: #a3a5ae;
  max-width: 36rem;
  margin: 0 auto;
}

/********************* cards *********************/
.cards {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(3, 1fr);
  align-items: center;
}

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

.card {
  background-color: #fff;
  padding: 2rem;
  border-radius: 0.4rem;
  box-shadow: 0.2rem 0.5rem 1rem rgba(0, 0, 0, 0.05);
}

.card__title {
  font-size: 1.25rem;
  margin-bottom: 0.425rem;
  color: #4c4e61;
}

.card__description {
  font-size: 0.875rem;
  margin-bottom: 2rem;
  color: #a3a5ae;
}

.card__image {
  display: flex;
  justify-content: end;
  height: 3rem;
}

.card-1 {
  border-top: 0.4rem solid #45d3d3;
}
.card-2 {
  border-top: 0.4rem solid #ea5353;
}
.card-3 {
  border-top: 0.4rem solid #fcaf4a;
}
.card-4 {
  border-top: 0.4rem solid #549ef2;
}

/********************* footer *********************/
footer {
  position: absolute;
  width: 100%;
  text-align: center;
  bottom: 0;
  font-size: 0.625rem;
}

/********************* media queries *********************/
@media screen and (max-width: 60rem) {
  .cards {
    grid-template-columns: 1fr;
  }
  .card {
    max-width: 23.4375rem;
    margin: 0 auto;
  }
  .header__title,
  .header__subtitle {
    font-size: 1.625rem;
  }
  .header__description {
    max-width: 25rem;
  }
}