/* =========================================
   Product Detail Page — styles
   ========================================= */

.product-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 3rem 6rem;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
  font-size: 0.8rem;
  color: var(--fg-muted);
}

.breadcrumb-link {
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.15s;
}
.breadcrumb-link:hover { color: var(--accent); }

.breadcrumb-sep { color: var(--border-dark); }

.breadcrumb-current {
  color: var(--fg);
  font-weight: 500;
}

/* Two-column layout */
.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

/* Visual column */
.product-visual-col {
  position: sticky;
  top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.product-visual {
  aspect-ratio: 4/3;
}

.visual-category-badge {
  text-align: left;
}

.product-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  font-family: 'DM Sans', sans-serif;
}

/* Detail column */
.product-detail-col {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.product-detail-header {}

.product-page-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 600;
  color: var(--fg);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.product-page-category {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  font-family: 'DM Sans', sans-serif;
}

/* Description */
.product-description {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.75;
}

/* Specs */
.product-specs {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border);
}

.spec-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.spec-icon {
  color: var(--accent);
  margin-top: 2px;
  flex-shrink: 0;
}

.spec-content {}

.spec-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 0.25rem;
  font-family: 'DM Sans', sans-serif;
}

.spec-value {
  font-size: 0.95rem;
  color: var(--fg);
  line-height: 1.5;
}

/* Use cases */
.use-cases {}

.use-cases-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 1rem;
  font-family: 'DM Sans', sans-serif;
}

.use-cases-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.use-cases-list li {
  font-size: 0.9rem;
  color: var(--fg);
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.5;
}

.use-cases-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* CTA */
.product-cta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.btn-quote {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--surface);
  background: var(--accent);
  border: 2px solid var(--accent);
  border-radius: 4px;
  padding: 0.9rem 2rem;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.15s ease;
  letter-spacing: 0.02em;
  width: fit-content;
}

.btn-quote:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
}

.btn-quote svg { transition: transform 0.2s ease; }
.btn-quote:hover svg { transform: translateX(4px); }

.cta-note {
  font-size: 0.78rem;
  color: var(--fg-muted);
  font-style: italic;
  font-family: 'Playfair Display', serif;
}

/* Back link */
.back-link-row {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.back-link:hover { color: var(--accent); }
.back-link svg { transition: transform 0.15s; }
.back-link:hover svg { transform: translateX(-3px); }

/* Responsive */
@media (max-width: 900px) {
  .product-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .product-visual-col {
    position: static;
    max-width: 480px;
  }
  .product-wrapper { padding: 2rem 1.5rem 4rem; }
  .breadcrumb { margin-bottom: 2rem; }
}

@media (max-width: 600px) {
  .product-wrapper { padding: 1.5rem 1.25rem 4rem; }
}