.product-detail-main {
  background: #f8fbfb;
}

.product-intro {
  padding-top: clamp(54px, 7vw, 86px);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.product-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  color: var(--blue-dark);
  font-weight: 800;
}

.product-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.88fr);
  align-items: center;
  gap: clamp(34px, 6vw, 76px);
}

.product-intro-copy h1 {
  max-width: 760px;
  margin: 0 0 22px;
  font-size: clamp(2.6rem, 5vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.product-intro-copy > p:not(.eyebrow) {
  max-width: 700px;
  color: var(--muted);
  font-size: 1.08rem;
}

.product-intro-media img,
.product-gallery img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--white);
  box-shadow: var(--shadow);
  object-fit: cover;
}

.product-intro-media img {
  aspect-ratio: 3 / 2;
}

.product-intro-media img.product-image-contain,
.product-gallery img.product-image-contain {
  object-fit: contain;
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.product-actions .button.secondary {
  border-color: var(--line);
  color: var(--blue-dark);
  background: var(--white);
}

.product-content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.72fr);
  gap: clamp(34px, 5vw, 66px);
  align-items: start;
}

.product-copy h2,
.product-procurement h2,
.product-gallery-section h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 3.2vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.product-copy > p,
.product-procurement > p,
.product-gallery-copy {
  color: var(--muted);
}

.product-option-list,
.procurement-list {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.product-option-list li,
.procurement-list li {
  padding: 17px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
}

.product-option-list strong,
.procurement-list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
}

.product-option-list span,
.procurement-list span {
  color: var(--muted);
}

.product-procurement {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--soft-green);
}

.product-procurement h2 {
  font-size: 1.75rem;
}

.scope-note {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid rgba(129, 166, 166, 0.28);
  color: #4d6265;
  font-size: 0.92rem;
}

.product-gallery-section {
  border-top: 1px solid var(--line);
  background: var(--white);
}

.product-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 30px;
}

.product-gallery figure {
  margin: 0;
}

.product-gallery img {
  aspect-ratio: 3 / 2;
}

.product-gallery figcaption {
  padding: 12px 2px 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.product-next-step {
  padding: 44px 0;
  background: #173f46;
  color: var(--white);
}

.product-next-step .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.product-next-step h2 {
  margin-bottom: 8px;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.product-next-step p {
  max-width: 680px;
  margin-bottom: 0;
  color: #d7e6e6;
}

.product-page-footer {
  padding: 26px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: #102f35;
  color: #d7e6e6;
}

.product-page-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.product-page-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.product-page-footer a:hover {
  color: var(--white);
}

@media (max-width: 820px) {
  .product-intro-grid,
  .product-content-grid {
    grid-template-columns: 1fr;
  }

  .product-intro-copy h1 {
    font-size: clamp(2.35rem, 11vw, 3.3rem);
  }

  .product-gallery {
    grid-template-columns: 1fr;
  }

  .product-next-step .container,
  .product-page-footer .container {
    align-items: flex-start;
    flex-direction: column;
  }

  .product-next-step .button {
    width: 100%;
  }
}

@media (max-width: 460px) {
  .product-actions {
    flex-direction: column;
  }

  .product-actions .button {
    width: 100%;
  }

  .product-procurement {
    padding: 22px;
  }
}