.book-details {
  background: #e9e2d5;
  color: #171713;
  display: grid;
  grid-template-columns: minmax(260px, .85fr) minmax(520px, 1.55fr);
  gap: clamp(56px, 8vw, 130px);
  padding: clamp(90px, 11vw, 150px) clamp(24px, 7vw, 110px);
}

.book-details-heading {
  align-self: start;
  position: sticky;
  top: 110px;
}

.book-details-heading h2 {
  margin: 18px 0 30px;
}

.book-details-heading > p:last-child {
  color: #5d5952;
  font-size: 17px;
  line-height: 1.75;
  max-width: 440px;
}

.book-details-grid {
  border-top: 1px solid rgba(23, 23, 19, .25);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.book-details-grid article {
  border-bottom: 1px solid rgba(23, 23, 19, .25);
  min-height: 245px;
  padding: 34px 36px 34px 0;
}

.book-details-grid article:nth-child(even) {
  border-left: 1px solid rgba(23, 23, 19, .25);
  padding-left: 36px;
}

.book-details-grid strong {
  color: #e54b16;
  display: block;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 34px;
  font-weight: 400;
  line-height: 1;
  margin-bottom: 28px;
}

.book-details-grid h3 {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(24px, 2.1vw, 32px);
  font-weight: 400;
  line-height: 1.08;
  margin-bottom: 14px;
}

.book-details-grid p {
  color: #5d5952;
  font-size: 14px;
  line-height: 1.65;
  max-width: 340px;
}

@media (max-width: 900px) {
  .book-details {
    grid-template-columns: 1fr;
  }

  .book-details-heading {
    position: static;
  }
}

@media (max-width: 620px) {
  .book-details {
    gap: 50px;
  }

  .book-details-grid {
    grid-template-columns: 1fr;
  }

  .book-details-grid article,
  .book-details-grid article:nth-child(even) {
    border-left: 0;
    min-height: 0;
    padding: 28px 0;
  }

  .book-details-grid strong {
    font-size: 30px;
    margin-bottom: 20px;
  }
}