.product-page {
  padding-top: 24px;
}

.breadcrumbs {
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 13px;
}

.product-page h1 {
  max-width: 860px;
  margin: 0 0 28px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.15;
  font-weight: 400;
}

.product-hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 290px;
  gap: 28px;
  align-items: stretch;
  margin-bottom: 32px;
  padding: 32px;
  background: linear-gradient(135deg, #eef8ff, #fff 62%, #eef4f8);
  border: 1px solid var(--line);
  box-shadow: 0 20px 46px rgba(16, 24, 32, .08);
}

.product-hero-copy p {
  max-width: 860px;
  margin: 0;
  color: #35434f;
  font-size: 17px;
  line-height: 1.7;
}

.buy-box-featured {
  align-content: center;
}

.product-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 28px;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: 28px;
  align-items: start;
}

.gallery-main {
  min-height: 300px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #fff, #f2f7fb);
  border: 1px solid var(--line);
}

.product-photo-card {
  display: grid;
  place-items: center;
  min-height: 390px;
  padding: 28px;
  background: radial-gradient(circle at 50% 20%, #fff, #eef5fa 70%);
  border: 1px solid var(--line);
}

.product-photo-card img {
  width: 100%;
  max-height: 340px;
  object-fit: contain;
}

.product-highlights {
  padding: 24px;
  color: #fff;
  background: linear-gradient(160deg, var(--blue-dark), var(--blue));
}

.product-highlights h2 {
  margin: 0 0 18px;
  font-size: 24px;
}

.product-highlights ul {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-highlights li {
  padding-left: 22px;
  position: relative;
}

.product-highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  background: #fff;
  border-radius: 50%;
}

.conditioner-shape.dark {
  background: linear-gradient(180deg, #56616b, #252b31 72%, #15191d);
}

.gallery-thumbs {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.gallery-thumbs button {
  width: 64px;
  height: 48px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #fff, #e8edf2);
}

.gallery-thumbs .active {
  border-color: var(--blue);
  box-shadow: 0 0 0 2px rgba(0, 139, 210, .15);
}

.buy-box {
  display: grid;
  gap: 14px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 10px 24px rgba(16, 24, 32, .08);
}

.price {
  color: var(--red);
  font-size: 28px;
}

.stock {
  color: var(--muted);
}

.tabs {
  display: flex;
  gap: 28px;
  margin-top: 32px;
  border-bottom: 1px solid var(--line);
}

.tabs a {
  padding: 0 0 10px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  border-bottom: 3px solid transparent;
}

.tabs a:first-child {
  color: var(--blue-dark);
  border-bottom-color: var(--blue);
}

.product-text {
  max-width: 760px;
  padding-top: 22px;
}

.product-text h2 {
  font-size: 22px;
}

.specs {
  display: grid;
  grid-template-columns: 220px 1fr;
  border-top: 1px solid var(--line);
}

.specs dt,
.specs dd {
  margin: 0;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.specs dt {
  color: var(--muted);
}

.product-side {
  display: grid;
  gap: 18px;
  align-content: start;
  padding: 18px;
  background: var(--soft);
}

.product-side h2 {
  margin: 0 0 8px;
  color: var(--blue-dark);
  font-size: 22px;
}

.product-side ul {
  margin: 0;
  padding-left: 18px;
}

.product-side p {
  margin: 0;
}

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

  .product-side {
    order: -1;
  }
}

@media (max-width: 560px) {
  .tabs {
    gap: 14px;
    overflow-x: auto;
  }

  .specs {
    grid-template-columns: 1fr;
  }

  .specs dt {
    padding-bottom: 0;
    border-bottom: 0;
  }
}