#card-summary-subheader {
  display: none;
}

@media screen and (min-width: 900px) {
  #main-container {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 4rem;
  }
}

.summary .btn {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  margin: 0;
  border-radius: 0;
}

@media screen and (min-width: 900px) {
  .summary {
    position: unset;
    margin-top: 0;
    height: fit-content;
    position: sticky;
    top: 7rem;
  }

  .summary .btn {
    position: unset;
    margin: 1rem 0;
    border-radius: var(--radius);
  }
}

.summary__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}
.summary__item.summary__total {
  border-top: thin solid var(--color-divider);
  border-bottom: thin solid var(--color-divider);
  margin: 1rem 0;
}

.media {
  border-bottom: thin solid var(--color-divider);
  margin-bottom: 2rem;
  padding-bottom: 2rem;
}

.media__heading {
  display: flex;
  justify-content: space-between;
  width: 100%;
}
.media__content {
  display: flex;
  flex-direction: column;
  justify-content: start;
  align-items: start;
}

.media__caption {
  display: none;
}
@media screen and (min-width: 512px) {
  .media__caption {
    display: block;
  }
}

.ssv {
  max-width: 36rem;
}

.quantity-counter {
  border: thin solid var(--color-divider);
  border-radius: var(--radius);
  display: inline-flex;
  justify-content: center;
  align-items: center;

  margin-top: 1rem;
}

@media screen and (min-width: 512px) {
  .quantity-counter {
    margin-top: 2rem;
  }
}

.quantity-counter__value {
  padding: 0.5rem 1rem;
  scale: 1.2;
}

@media screen and (min-width: 512px) {
  .quantity-counter__value {
    padding: 0.5rem 2rem;
  }
}

@media screen and (max-width: 900px) {
  .footer {
    padding-bottom: 5rem;
  }
}

.media:has(.caption.error) .quantity-counter {
  border: thin solid red;
}

.media:has(.caption.error) .quantity-counter__value {
  color: red;
}
.caption.error {
  font-size: 1.2rem;
  margin-top: 0.5rem;
}