.product-hero { align-items: start; padding-block: 44px 72px; gap: 64px; }
.product-hero h1 { max-width: 12ch; font-size: clamp(56px, 5.8vw, 84px); }
.product-hero .hero-copy > p { max-width: 34ch; }
.product-hero .hero-copy .release-note { font-size: 14px; margin-top: 24px; }
.challenge-flow { min-width: 0; padding-top: 4px; scroll-margin-top: 32px; }
.challenge-flow h2 { font-size: clamp(30px, 3vw, 40px); margin-bottom: 28px; }
.challenge-flow h2 span { color: var(--yellow-200); }
.challenge-flow ol { list-style: none; padding: 0; margin: 0; }
.challenge-flow li { display: grid; grid-template-columns: 24px 1fr; gap: 20px; padding-block: 18px; border-top: 1px solid rgb(255 255 255 / .3); }
.step-index { color: var(--yellow-200); font-size: 15px; line-height: 1.6; font-variant-numeric: tabular-nums; }
.challenge-flow h3 { font-family: var(--font-body); letter-spacing: 0; font-size: 18px; font-weight: 600; line-height: 1.5; }
.challenge-flow li p { color: var(--blue-100); font-size: 14px; line-height: 1.6; margin-top: 3px; }
.product-features { padding-top: 80px; }
.product-features .app-exhibit { display: flex; flex-direction: column; }
.product-features .feature-list { margin-bottom: 24px; }
.product-detail { font-size: 13px; line-height: 1.65; color: var(--lilac-700); max-width: 44ch; margin-top: auto; }
.focus-exhibit .product-detail { color: var(--mint-700); }
.product-contact { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; align-items: end; padding-block: 80px 88px; }
.product-contact h2 { font-size: clamp(32px, 3vw, 42px); }
.product-contact p { color: var(--color-muted); font-size: 16px; line-height: 1.7; margin-top: 24px; }
.contact-email { display: inline-block; padding-block: 12px; font-size: 18px; margin-top: 8px; overflow-wrap: anywhere; color: var(--color-brand); }
.product-notes { max-width: 41ch; }
.text-link { display: inline-flex; align-items: center; gap: 12px; padding-block: 12px; margin-top: 12px; font-size: 15px; font-weight: 600; }
.text-link svg { width: 20px; height: 20px; }
.product-footer { padding-block: 40px 32px; display: flex; gap: 24px 48px; justify-content: space-between; flex-wrap: wrap; align-items: start; }
.product-footer p { font-size: 13px; color: var(--blue-100); margin-top: 16px; }
.document-nav { display: flex; flex-wrap: wrap; gap: 8px 28px; align-items: center; }
.document-nav a { display: inline-block; padding-block: 12px; font-size: 14px; }
.product-footer small { display: block; color: var(--blue-100); margin-top: 12px; font-size: 12px; }
.reverse-page .main-nav a { min-height: 44px; }
.document-page { max-width: 800px; padding-block: 64px 88px; overflow-wrap: anywhere; }
.document-page h1 { font-size: clamp(42px, 5vw, 64px); max-width: none; }
.document-page .document-app { font-size: 18px; margin-top: 16px; color: var(--color-muted); }
.document-body { font-size: 17px; line-height: 1.8; }
.document-body p { margin-top: 24px; }
.document-body h2 { font-size: 27px; margin-top: 48px; }
.document-body a { color: var(--color-brand); }
.document-status { background: var(--lilac-100); color: var(--lilac-700); padding: 24px; border-radius: 16px; margin-top: 32px; font-size: 16px; line-height: 1.75; }
.document-status strong { display: block; font-weight: 600; color: var(--color-foreground); }
.document-status p { margin-top: 8px; }
.document-toc { display: flex; gap: 4px 20px; flex-wrap: wrap; margin-top: 32px; }
.document-toc a { padding-block: 8px; font-size: 14px; }
.document-page section[id] { scroll-margin-top: 32px; }
@media (max-width: 1150px) {
  .product-hero, .product-contact { gap: 40px; }
  .product-hero h1 { font-size: clamp(50px, 6vw, 72px); }
}
@media (max-width: 900px) {
  .product-hero { gap: 32px; }
  .product-hero h1 { font-size: clamp(44px, 6.5vw, 62px); }
  .challenge-flow h2 { font-size: 30px; }
  .challenge-flow li { gap: 12px; }
  .product-features { padding-top: 64px; }
  .product-contact { gap: 32px; padding-block: 64px; }
  .document-page { max-width: 740px; }
}
@media (max-width: 650px) {
  .product-hero { gap: 48px; padding-block: 28px 48px; }
  .product-hero h1 { max-width: 12ch; font-size: clamp(48px, 12.8vw, 76px); }
  .challenge-flow { padding: 0; }
  .challenge-flow h2 { font-size: 32px; margin-bottom: 24px; }
  .challenge-flow li { gap: 16px; }
  .product-features { padding-top: 48px; }
  .product-features .section-heading { gap: 20px; }
  .product-contact { grid-template-columns: 1fr; gap: 16px; padding-block: 48px; }
  .product-notes { max-width: none; }
  .product-footer { display: block; padding-block: 32px 24px; }
  .document-nav { margin-top: 20px; gap: 4px 24px; }
  .document-page { padding-block: 40px 56px; }
  .document-page h1 { font-size: 42px; }
  .document-body { font-size: 16px; }
  .document-status { padding: 24px; }
}
@media (max-width: 360px) {
  .reverse-page .wordmark { font-size: 21px; }
  .reverse-page .main-nav { gap: 12px; }
  .reverse-page .main-nav a { font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .reverse-page { scroll-behavior: auto; }
}