/* Product page header - compact, no background image */
.header--product {
  background-color: #111;
  padding: 24px 120px;
  display: flex;
  align-items: center;
}

@media (max-width: 1024px) {
  .header--product {
    padding: 24px 72px;
  }
}

@media (max-width: 576px) {
  .header--product {
    padding: 20px;
  }
}

/* Back link */
.back-link {
  display: inline-block;
  margin-bottom: 48px;
  color: #292929;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-bottom: 2px solid #292929;
  padding-bottom: 2px;
  transition: opacity 200ms;
}

.back-link:hover {
  opacity: 0.6;
}

/* Product detail layout */
.product-detail {
  display: flex;
  gap: 80px;
  align-items: flex-start;
  max-width: 1020px;
  margin: 0 auto 120px auto;
}

@media (max-width: 1024px) {
  .product-detail {
    gap: 48px;
  }
}

@media (max-width: 576px) {
  .product-detail {
    flex-direction: column;
    gap: 32px;
    margin-bottom: 80px;
  }
}

/* Product image */
.product-detail__image {
  flex: 1;
  position: sticky;
  top: 40px;
}

.product-detail__image img {
  width: 100%;
  display: block;
}

@media (max-width: 576px) {
  .product-detail__image {
    position: static;
  }
}

/* Product info */
.product-detail__info {
  flex: 1;
}

.product-detail__title {
  margin-top: 8px;
  margin-bottom: 16px;
  font-size: 36px;
  font-weight: 700;
  line-height: 110%;
  letter-spacing: -1px;
}

@media (max-width: 1024px) {
  .product-detail__title {
    font-size: 28px;
  }
}

@media (max-width: 576px) {
  .product-detail__title {
    font-size: 24px;
  }
}

.product-detail__price {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 32px;
  margin-top: 0;
}

.product-detail__description {
  font-size: 16px;
  line-height: 160%;
  color: #555;
  margin-bottom: 32px;
  margin-top: 0;
}

/* Features list */
.product-detail__features {
  list-style: none;
  padding: 0;
  margin: 0 0 40px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-detail__features li {
  padding-left: 20px;
  position: relative;
  font-size: 15px;
  line-height: 150%;
}

.product-detail__features li::before {
  content: "—";
  position: absolute;
  left: 0;
  font-weight: 700;
}

/* Add to cart button */
.product-detail__btn {
  display: block;
  width: 100%;
  padding: 18px 32px;
  background-color: #292929;
  color: white;
  border: none;
  font-family: "Inter", sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 200ms;
}

.product-detail__btn:hover {
  background-color: #111;
}

/* Related products section */
.related {
  max-width: 1020px;
  margin: 0 auto;
  padding-top: 80px;
  border-top: 1px solid #e0e0e0;
}

.related__title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -1px;
  margin-top: 0;
  margin-bottom: 48px;
}

.related .recommended__products {
  justify-content: flex-start;
}

.related .product a {
  display: block;
  text-decoration: none;
  color: inherit;
}

.related .product a img {
  transition: opacity 200ms;
}

.related .product a:hover img {
  opacity: 0.85;
}