:root {
  --product-surface: #f8f7f2;
  --product-border: #d9d2be;
  --product-text: #1f2520;
  --product-muted: #4b5a4f;
  --product-control-bg: rgba(17, 22, 18, 0.78);
  --product-control-bg-hover: rgba(17, 22, 18, 0.9);
}

.product-page {
  padding: 4.5rem 0 4rem;
}

.product-page__container {
  max-width: 1120px;
}

.product-page__back {
  display: inline-block;
  margin: 0 0 1.5rem;
  color: var(--product-muted);
  font-weight: 600;
  text-decoration: none;
}

.product-page__back:hover,
.product-page__back:focus {
  text-decoration: underline;
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 2rem;
  padding: 1.25rem;
  border-radius: 1.25rem;
  box-shadow: 0 20px 40px rgba(16, 20, 17, 0.08);
}

.product-detail__gallery {
  position: relative;
  border-radius: 1rem;
  overflow: hidden;
  height: clamp(320px, 42vw, 500px);
}

.product-detail__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.product-detail__control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--product-control-bg);
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
  z-index: 2;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.product-detail__control:hover,
.product-detail__control:focus {
  background: var(--product-control-bg-hover);
  transform: translateY(-50%) scale(1.04);
}

.product-detail__control--prev {
  left: 0.75rem;
}

.product-detail__control--next {
  right: 0.75rem;
}

.product-detail__counter {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
}

.product-detail__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.2rem;
}

.product-detail__title {
  margin: 0;
  color: var(--product-text);
  font-size: clamp(1.7rem, 2.6vw, 2.4rem);
  line-height: 1.2;
}

.product-detail__description {
  margin: 0;
  color: var(--product-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.product-detail__cta {
  align-self: flex-start;
}

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

  .product-detail__gallery {
    height: clamp(280px, 56vw, 420px);
  }
}

@media (max-width: 600px) {
  .product-page {
    padding-top: 3rem;
  }

  .product-detail {
    padding: 0.9rem;
    border-radius: 1rem;
  }

  .product-detail__gallery {
    height: clamp(240px, 74vw, 340px);
  }
}