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

body {
  position: relative;
  min-height: 100vh;
  display: grid;
  justify-content: center;
  align-items: center;
  background-color: #e5eff5;
  font-family: "karla", sans-serif;
}

.card {
  max-width: 44rem;
  overflow: hidden;
  margin: 4rem 0.875rem;
  background-color: #fff;
  border-radius: 0.625rem;
  box-shadow: 0 0 0.625rem #0000001a;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

/************************ card header ************************/
.card__header {
  background-color: #fff;
  grid-column: 1/-1;
}

.card__title {
  font-size: 1.25rem;
  color: #2ab2af;
  font-weight: 700;
  margin-bottom: 1.75rem;
}

.card__subtitle {
  color: #c0df34;
  margin-bottom: 1rem;
  font-weight: 700;
}

.card__description {
  color: #98a6bd;
  font-size: 1rem;
  line-height: 1.6;
}

/************************ card subscribe ************************/
.card__subscribe {
  background-color: #2ab2af;
  color: #e5eff5;
}

.card__sbuscribe--title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.card__price {
  font-size: 2.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 0.875rem;
}

.card__price-text {
  font-size: 1rem;
  opacity: 0.7;
  font-weight: 400;
}

.card__subscribe button {
  border: 0;
  background-color: #c0df34;
  width: 100%;
  height: 3rem;
  border-radius: 0.3rem;
  color: #fff;
  font-size: 1.125rem;
  margin-top: 2.25rem;
  box-shadow: 0 0 1.125rem 0 rgba(0, 0, 0, 0.1);
}

.card__subscribe button:hover {
  cursor: pointer;
}

.card__why-us {
  background-color: #2ab2afbf;
  color: #e5eff5;
}

/************************ why us ************************/
.card__why-us--title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #e5eff5;
}

.card__why-us ul li {
  list-style: none;
  margin-bottom: 0.225rem;
  opacity: 0.8;
}

.card__header,
.card__subscribe,
.card__why-us {
  padding: 2.75rem 2.25rem;
}

/************************ footer style ************************/
footer {
  width: 100%;
  display: flex;
  justify-content: center;
}

.attribution {
  position: absolute;
  bottom: 0;
  width: 100%;
  font-size: 0.625rem;
  text-align: center;
}

/************************ media queries ************************/
@media screen and (max-width: 44rem) {
  .card {
    grid-template-columns: 1fr;
    max-width: 23.4375rem;
  }

  .card__header,
  .card__subscribe,
  .card__why-us {
    padding: 2.25rem 1.875rem;
  }
}