.product-detail {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(22rem, .92fr);
  min-height: calc(100vh - 135px);
  border-bottom: 1px solid var(--line);
}

.product-detail__media {
  display: grid;
  place-items: center;
  min-height: 44rem;
  margin: 0;
  padding: clamp(1.5rem, 4vw, 4rem);
  border-right: 1px solid var(--line);
  background: #fff;
}

.product-detail__media img {
  width: 100%;
  height: min(72vh, 48rem);
  object-fit: contain;
}

.product-detail__copy {
  align-self: center;
  padding: clamp(3rem, 7vw, 7rem) clamp(2rem, 6vw, 6rem);
}

.product-detail__back {
  display: inline-block;
  margin-bottom: clamp(2rem, 6vw, 5rem);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
}

.product-detail__copy h1 {
  max-width: 13ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3rem, 5.6vw, 6.5rem);
  font-weight: 400;
  letter-spacing: -.055em;
  line-height: .93;
}

.product-detail__summary {
  max-width: 35rem;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
}

.product-detail__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 2rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.product-detail__fact {
  padding: 1rem 1rem 1rem 0;
  border-right: 1px solid var(--line);
}

.product-detail__fact:last-child { border-right: 0; padding-left: 1rem; }
.product-detail__fact:nth-child(2) { padding-left: 1rem; }
.product-detail__fact span { display: block; font-family: var(--mono); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; }
.product-detail__fact strong { display: block; margin-top: .35rem; font-size: .92rem; font-weight: 500; }
.product-detail__copy .button { min-width: min(100%, 21rem); }
.product-detail__note { max-width: 34rem; margin: 1.25rem 0 0; color: var(--muted); font-size: .78rem; }
.product-detail__note a { text-underline-offset: .2rem; }

.product-story {
  display: grid;
  grid-template-columns: .4fr 1fr;
  gap: clamp(2rem, 8vw, 8rem);
  padding: clamp(4rem, 8vw, 7rem) 5vw;
  border-bottom: 1px solid var(--line);
}

.product-story h2 { margin: 0; font-family: var(--serif); font-size: clamp(2.4rem, 5vw, 5rem); font-weight: 400; letter-spacing: -.04em; line-height: 1; }
.product-story__body { max-width: 48rem; }
.product-story__body p { margin-top: 0; font-size: 1.08rem; }

@media (max-width: 850px) {
  .product-detail { grid-template-columns: 1fr; }
  .product-detail__media { min-height: 62vw; padding: 1.5rem; border-right: 0; border-bottom: 1px solid var(--line); }
  .product-detail__media img { height: min(64vh, 38rem); }
  .product-detail__copy { padding: 3rem 6vw 4rem; }
  .product-detail__back { margin-bottom: 2.5rem; }
  .product-story { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .product-detail__media { min-height: 29rem; }
  .product-detail__media img { height: 28rem; }
  .product-detail__facts { grid-template-columns: 1fr; }
  .product-detail__fact,
  .product-detail__fact:nth-child(2),
  .product-detail__fact:last-child { padding: .8rem 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .product-detail__fact:last-child { border-bottom: 0; }
  .product-detail__copy .button { width: 100%; }
}