/* Product information pages; existing homepage media sizing stays unchanged. */
.product-summary { display: flex; flex-direction: column; min-width: 0; }
.product-summary .product-brand { color: var(--cyan); font-size: .78rem; font-weight: 750; letter-spacing: .05em; margin-bottom: 12px; }
.product-summary h3 { overflow-wrap: anywhere; }
.product-summary .product-detail-link { display: inline-block; margin-top: auto; padding-top: 22px; color: var(--green); font-size: .9rem; font-weight: 700; }
.product-detail-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.product-scope { margin-top: 24px; }
.product-page { line-height: 1.85; }
.product-header { max-width: 1360px; padding: 23px 48px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 28px; border-bottom: 1px solid var(--line); }
.product-header img { width: 162px; height: auto; }
.product-header nav { display: flex; flex-wrap: wrap; gap: 24px; font-size: .86rem; color: var(--muted); }
.product-header a:hover { color: var(--green); }
.product-hero, .product-content, .product-boundary, .product-contact, .product-footer { width: min(1180px, calc(100% - 96px)); margin-left: auto; margin-right: auto; }
.product-hero { padding: 52px 0 70px; display: grid; grid-template-columns: 1.3fr 1fr; align-items: center; gap: 54px; }
.breadcrumbs { display: flex; gap: 10px; flex-wrap: wrap; font-size: .78rem; color: var(--soft); margin-bottom: 30px; }
.breadcrumbs a { color: var(--muted); }
.product-hero .eyebrow { margin-bottom: 14px; }
.product-hero h1 { margin: 0; font-size: clamp(2.1rem, 3.4vw, 3.2rem); line-height: 1.28; letter-spacing: -.025em; overflow-wrap: anywhere; }
.product-english { font-size: .82rem; color: var(--cyan); line-height: 1.5; margin-top: 18px; }
.product-intro { color: var(--muted); font-size: 1.02rem; margin: 24px 0 16px; }
.product-subtitle { color: var(--soft); font-size: .87rem; }
.product-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.product-actions .button { min-height: 48px; text-align: center; font-size: .86rem; }
.product-visual { min-width: 0; }
.product-visual figure { margin: 0; }
.product-visual img { width: 100%; height: auto; aspect-ratio: auto; object-fit: contain; border-radius: 10px; }
.product-visual figcaption { margin-top: 12px; color: var(--soft); font-size: .73rem; line-height: 1.7; }
.runtime-diagram { display: grid; justify-items: stretch; text-align: center; padding: 26px; border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(150deg, #10201c, #071215); }
.runtime-diagram > span { padding: 19px 10px; border: 1px solid rgba(0,229,255,.25); border-radius: 6px; font-size: .96rem; }
.runtime-diagram > b { color: var(--green); font-size: 1.5rem; line-height: 1.5; font-weight: 400; }
.runtime-diagram > small { color: var(--soft); margin-top: 18px; font-size: .75rem; }
.product-boundary { padding: 22px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.product-boundary h2 { font-size: .95rem; margin: 0 0 10px; color: var(--green); }
.product-boundary p { color: var(--muted); font-size: .88rem; margin: 0; }
.product-content { padding-top: 76px; scroll-margin-top: 24px; }
.product-section-heading { max-width: 800px; margin-bottom: 28px; }
.product-content h2, .product-contact h2 { font-size: clamp(1.5rem, 2.3vw, 2.15rem); line-height: 1.4; margin: 0 0 16px; letter-spacing: -.02em; }
.product-section-heading > p:last-child { color: var(--muted); font-size: .93rem; }
.product-feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 36px; }
.product-feature-grid article { padding: 24px 0; border-top: 1px solid var(--line); }
.product-feature-grid h3 { font-size: 1.06rem; margin: 0 0 12px; line-height: 1.6; }
.product-feature-grid p { color: var(--muted); font-size: .92rem; margin: 0; }
.integration-list { margin: 0; }
.integration-list > div { display: grid; grid-template-columns: 220px 1fr; gap: 28px; padding: 24px 0; border-top: 1px solid var(--line); }
.integration-list dt { font-weight: 700; font-size: .96rem; }
.integration-list dd { color: var(--muted); font-size: .92rem; margin: 0; }
.product-faq details { padding: 19px 0; border-top: 1px solid var(--line); }
.product-faq details:last-child { border-bottom: 1px solid var(--line); }
.product-faq summary { cursor: pointer; font-weight: 650; line-height: 1.7; font-size: .98rem; padding-right: 8px; }
.product-faq details p { max-width: 900px; color: var(--muted); font-size: .92rem; margin: 16px 0 0; }
.product-related { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.product-related > a { display: flex; flex-direction: column; gap: 9px; border-top: 1px solid var(--line); padding: 24px 0; min-width: 0; }
.product-related > a:hover strong { color: var(--green); }
.product-related span { font-size: .8rem; color: var(--muted); }
.product-related strong { font-size: 1.03rem; line-height: 1.65; }
.product-related span:last-child { color: var(--green); margin-top: 8px; }
.product-contact { padding: 52px 0; border-top: 1px solid var(--line); margin-top: 68px; }
.product-contact > p:not(.eyebrow) { color: var(--muted); max-width: 790px; font-size: .93rem; }
.product-contact > .button { margin-top: 14px; }
.product-back { display: inline-block; color: var(--green); font-size: .88rem; margin-left: 24px; }
.product-footer { padding: 26px 0 36px; border-top: 1px solid var(--line); color: var(--soft); font-size: .76rem; }
.product-footer p { margin: 4px 0; }
@media (max-width: 900px) {
  .product-header { padding: 20px 32px; }
  .product-hero, .product-content, .product-boundary, .product-contact, .product-footer { width: calc(100% - 64px); }
  .product-hero { gap: 30px; grid-template-columns: 1.15fr 1fr; }
  .product-header nav { gap: 16px; }
  .integration-list > div { grid-template-columns: 180px 1fr; }
}
@media (max-width: 680px) {
  .product-header { padding: 19px 22px; align-items: flex-start; flex-direction: column; gap: 18px; }
  .product-header img { width: 146px; }
  .product-header nav { gap: 12px 20px; font-size: .78rem; }
  .product-hero, .product-content, .product-boundary, .product-contact, .product-footer { width: calc(100% - 44px); }
  .product-hero { padding-top: 28px; padding-bottom: 38px; grid-template-columns: 1fr; gap: 32px; }
  .breadcrumbs { margin-bottom: 24px; font-size: .72rem; }
  .product-hero h1 { font-size: 2.15rem; }
  .product-intro { font-size: .98rem; }
  .product-actions { flex-direction: column; align-items: stretch; }
  .product-visual { max-width: 500px; width: 100%; margin: auto; }
  .runtime-diagram { padding: 20px; }
  .runtime-diagram > span { padding: 16px 8px; }
  .product-content { padding-top: 48px; }
  .product-feature-grid, .product-related { grid-template-columns: 1fr; }
  .product-feature-grid article { padding: 22px 0; }
  .integration-list > div { grid-template-columns: 1fr; gap: 8px; padding: 20px 0; }
  .product-related { gap: 0; }
  .product-contact { margin-top: 38px; padding-top: 34px; }
  .product-back { display: block; margin: 22px 0 0; }
}
@media (prefers-reduced-motion: reduce) { .product-page { scroll-behavior: auto; } }