styles.css

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

body {
  background: hsl(204, 43%, 93%);
  font-family: "Karla", sans-serif;
  font-size: 16px;
}

.card {
  display: flex;
  flex-direction: column;

  margin: auto;
  margin-top: 10rem;

  width: 670px;
  height: auto;

  background: white;

  border-radius: 10px;
}
header {
  height: 40%;

  padding: 2.5rem;

  color: hsl(218, 22%, 67%);
}
.main-heading {
  margin-bottom: 1rem;

  color: hsl(179, 62%, 43%);

  font-size: 1.5rem;
  font-weight: 700;
}

header h2 {
  color: hsl(71, 73%, 54%);

  font-weight: 700;
  font-size: 1.15rem;

  margin-bottom: 0.5rem;
}

.heading-text {
  line-height: 1.5rem;
}

.info {
  display: flex;

  height: 60%;

  background: hsl(179, 62%, 43%);
  color: hsl(204, 43%, 93%);

  border-bottom-left-radius: 10px;
  border-bottom-right-radius: 10px;
}
.price {
  display: flex;
  flex-direction: column;
  justify-content: space-between;

  width: 50%;
  padding: 2.5rem;
}

.price h2 {
  margin-bottom: 1.2rem;

  font-size: 1.2rem;
}

.price-tag {
  display: flex;
  align-items: center;
  gap: 0.75rem;

  color: hsla(203, 44%, 93%, 0.597);

  margin-bottom: 0.75rem;
}

span {
  font-size: 2rem;
  font-weight: 700;

  color: hsl(204, 43%, 93%);
}

button {
  width: 15.5rem;
  height: 3.5rem;

  margin-top: 2rem;

  color: inherit;
  background: hsl(71, 73%, 54%);

  font-weight: 700;
  font-size: 1rem;

  border: none;
  border-radius: 7px;

  box-shadow: 5px 5px 15px rgb(19, 143, 143);
}

.about {
  display: flex;
  flex-direction: column;

  width: 50%;
  padding-top: 2.5rem;
  padding-left: 2.5rem;

  background-color: hsl(179, 57%, 51%);

  border-bottom-right-radius: 12px;
}

.about h2 {
  font-weight: 700;
  font-size: 1.2rem;
}

.about p {
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  padding-right: 5rem;

  font-size: 15px;
  line-height: 1.5rem;

}

/* responsive */

@media (max-width: 600px) {
  .card {
    flex-direction: row;
    flex-wrap: wrap;

    width: 85vw;
    height: auto;
    margin: auto;
    margin-top: 2rem;
  }
  header {
    height: auto;
    padding: 2rem;
    padding-right: 1rem;
  }
  .main-heading {
    margin-bottom: 1.5rem;
  }
  .heading-text {
    margin-top: 1.25rem;
    font-size: 15px;
  }
  section {
    flex-direction: column;
    height: auto;
    flex-wrap: wrap;
  }

  .price {
    width: 100%;
    padding: 2rem;
    font-size: 1.1rem;
  }

  button {
    width: 100%;
  }

  .about {
    width: 100%;
    padding: 2rem;
    font-size: 1rem;
    border-bottom-left-radius: 8px;
  }
}