/**
 * CODECURV PRODUCT ARCHITECTURE STYLES
 * Concept: The Kinetic Drafting Laboratory (Products & Deep-Detail Views)
 */

.product-spec-hero {
  padding-top: var(--space-12, 48px);
  padding-bottom: var(--space-16, 64px);
  border-bottom: 1px solid var(--rule-base);
  position: relative;
}

.spec-meta-deck {
  display: flex;
  align-items: center;
  gap: var(--space-3, 12px);
  margin-bottom: var(--space-4, 16px);
  flex-wrap: wrap;
}

.product-spec-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4.5vw + 0.5rem, 4.25rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--ink-primary);
  margin-bottom: var(--space-4, 16px);
}

.breadcrumbs-trail {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--space-6, 24px);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--ink-muted);
  flex-wrap: wrap;
}

.breadcrumb-separator {
  color: var(--rule-strong);
}

.breadcrumb-current {
  color: var(--ink-primary);
  font-weight: 600;
}

@media (max-width: 1024px) {
  .spec-ribbon {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .spec-ribbon-item {
    border-right: 1px solid var(--rule-subtle);
    border-bottom: 1px solid var(--rule-subtle);
    padding: 12px 14px;
  }

  .spec-ribbon-item:nth-child(2n) {
    border-right: none;
  }

  .spec-ribbon-item:nth-last-child(-n+2) {
    border-bottom: none;
  }

  .pmo-expanded-grid {
    grid-template-columns: 1fr;
  }

  .pmo-expanded-col {
    border-right: none;
    border-bottom: 1px solid var(--rule-base);
    padding: var(--space-6, 24px) var(--space-4, 16px);
  }

  .pmo-expanded-col:last-child {
    border-bottom: none;
  }
}

@media (max-width: 640px) {
  .spec-ribbon {
    margin-top: var(--space-6, 24px);
    margin-bottom: var(--space-8, 32px);
  }

  .spec-ribbon-item {
    padding: 10px 12px;
  }

  .spec-ribbon-label {
    font-size: 0.5625rem;
  }

  .spec-ribbon-value {
    font-size: 0.78125rem;
    white-space: normal;
  }
}