.product-page {
  --hero-h: 620px;
}

.product-hero {
  min-height: var(--hero-h);
  padding: calc(var(--header-height) + 3rem) 0 4rem;
  background: linear-gradient(135deg, #062d40 0%, #0a3a52 100%);
  position: relative;
  overflow: hidden;
}

.product-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 30%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
}

.product-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.product-hero-text {
  color: #fff;
}

.product-hero-text .eyebrow {
  color: var(--accent);
}

.product-hero-text h1 {
  font-family: 'Manrope', sans-serif;
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.product-hero-text .lead {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.product-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.product-hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: float-product 6s ease-in-out infinite;
}

.product-hero-image img {
  max-width: 100%;
  max-height: 480px;
  filter: drop-shadow(0 40px 60px rgba(0, 0, 0, 0.35));
  transform: perspective(1000px) rotateY(-12deg) rotateX(6deg);
}

.product-overview {
  padding: 3rem 0;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.overview-card {
  background: #ffffff0f;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  text-align: center;
}

.overview-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: 0.5rem;
}

.overview-card strong {
  font-family: 'Manrope', sans-serif;
  font-size: 1rem;
  color: var(--text);
}

.product-content {
  padding: 5rem 0;
}

.product-content-inner {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 3rem;
  align-items: start;
}

.content-block {
  margin-bottom: 3rem;
}

.content-block h2 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text);
}

.content-block p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.feature-list,
.indication-list-detail {
  display: grid;
  gap: 0.75rem;
}

.feature-list li,
.indication-list-detail li {
  padding-left: 1.75rem;
  position: relative;
  color: var(--text-secondary);
}

.feature-list li::before,
.indication-list-detail li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.content-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.sidebar-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.sidebar-card.highlight {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.sidebar-card.highlight h3 {
  color: #fff;
}

.sidebar-card.highlight p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1.25rem;
}

.sidebar-card h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text);
}

.spec-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.spec-list li:last-child {
  border-bottom: none;
}

.spec-list span {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: 0.15rem;
}

.product-related {
  padding: 5rem 0;
  background: var(--bg-soft);
}

.products-grid.mini .product-body h3 {
  font-size: 1.0625rem;
}

.products-grid.mini .product-image {
  height: 200px;
}

/* Product color themes */
.product-cardio .product-hero {
  background: linear-gradient(135deg, #7f1d1d 0%, #991b1b 50%, #b91c1c 100%);
}

.product-derma .product-hero {
  background: linear-gradient(135deg, #831843 0%, #9d174d 50%, #be185d 100%);
}

.product-ophta .product-hero {
  background: linear-gradient(135deg, #075985 0%, #0369a1 50%, #0ea5e9 100%);
}

.product-ortho .product-hero {
  background: linear-gradient(135deg, #8e4ea2 0%, #531d63 50%, #310e3d 100%);
}

.product-neuro .product-hero {
  background: linear-gradient(135deg, #4c1d95 0%, #5b21b6 50%, #7c3aed 100%);
}

.product-tissue .product-hero {
  background: linear-gradient(135deg, #713f12 0%, #854d0e 50%, #a16207 100%);
}

.product-exoart .product-hero {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4f46e5 100%);
}

.mechanism-image {
  margin: 2rem 0;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.mechanism-image img {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 1024px) {
  .product-hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2.5rem;
  }

  .product-hero-text h1 {
    font-size: 2.5rem;
  }

  .product-actions {
    justify-content: center;
  }

  .product-hero-image img {
    max-height: 320px;
  }

  .overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .content-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .product-hero {
    padding-top: calc(var(--header-height) + 2rem);
  }

  .product-hero-text h1 {
    font-size: 2rem;
  }

  .product-hero-image img {
    max-height: 240px;
    transform: none;
  }

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

  .content-sidebar {
    grid-template-columns: 1fr;
  }

  .products-grid.mini {
    grid-template-columns: 1fr;
  }
}