/* Shared navigation and detail pages extend the existing landing-page theme. */
.site-header nav a[aria-current="page"] { color: var(--text-primary); }
.mobile-menu { display: none; }
footer { flex-wrap: wrap; }
.footer-links { flex-basis: 100%; margin: 2px 0 0; padding-top: 20px; border-top: 1px solid var(--border-subtle); display: flex; flex-wrap: wrap; gap: 14px 28px; }
.footer-links a { font-size: 13px; }
.section-page-link { margin-top: 26px; }
.use-cases-intro > p:not(.eyebrow) { color: var(--text-secondary); font-size: 15px; line-height: 1.9; margin-top: 25px; }
.detail-hero .eyebrow, .detail-section .eyebrow { font-family: var(--font-japanese); }
.detail-hero { padding: 112px 0 76px; }
.detail-hero h1 { margin: 24px 0 28px; font-size: clamp(36px, 4.2vw, 54px); }
.detail-hero h1 span { color: var(--text-secondary); }
.detail-lead { color: var(--text-secondary); font-size: 17px; line-height: 1.95; }
.detail-section { border-top: 1px solid var(--border-subtle); padding: 80px 0; }
.detail-section h2 { margin-top: 18px; font-size: clamp(28px, 3vw, 36px); }
.split-section { display: grid; grid-template-columns: 1fr 1.15fr; gap: 64px; }
.body-copy { min-width: 0; }
.body-copy p, .section-description { color: var(--text-secondary); font-size: 16px; line-height: 1.95; }
.body-copy p + p { margin-top: 22px; }
.body-copy h3 { margin: 0 0 12px; }
.body-copy p + h3 { margin-top: 30px; }
.section-description { margin-top: 24px; }
.quiet-list { list-style: none; padding: 0; margin: 28px 0 0; }
.quiet-list li { padding: 15px 0; border-top: 1px solid var(--border-subtle); font-size: 15px; color: var(--text-secondary); }
.detail-link { display: inline-block; color: var(--text-primary); font-size: 14px; text-decoration: underline; text-decoration-color: var(--border-strong); text-underline-offset: 6px; }
.detail-link:hover { text-decoration-color: var(--text-primary); }
.body-copy > .detail-link { margin-top: 27px; }
.service-rows { margin-top: 44px; }
.service-row { display: grid; grid-template-columns: 52px minmax(0, 1.7fr) minmax(0, 1fr); gap: 30px; padding: 34px 0; border-top: 1px solid var(--border-subtle); }
.service-row:last-child { padding-bottom: 0; }
.row-number { font-family: ui-monospace, monospace; color: var(--text-tertiary); font-size: 13px; line-height: 1.8; }
.service-row > .row-number { padding-top: 4px; }
.service-row h3 { margin-bottom: 12px; }
.service-row p { color: var(--text-secondary); font-size: 16px; line-height: 1.95; }
.deliverable { padding-left: 34px; border-left: 1px solid var(--border-subtle); }
.deliverable > span { font-size: 12px; color: var(--text-tertiary); }
.deliverable p { margin-top: 12px; font-size: 14px; }
.detail-columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; margin-top: 42px; }
.detail-columns article { padding-top: 22px; border-top: 1px solid var(--border-subtle); }
.detail-columns h3 { margin-bottom: 14px; }
.detail-columns .row-number + h3 { margin-top: 20px; }
.detail-columns p { font-size: 16px; color: var(--text-secondary); line-height: 1.95; }
.detail-cta { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 68px 0; border-top: 1px solid var(--border-subtle); }
.detail-cta h2 { font-size: 28px; margin: 0 0 20px; }
.detail-cta p { color: var(--text-secondary); font-size: 16px; line-height: 1.95; }
.detail-cta .header-link { font-size: 14px; padding: 12px 22px; flex-shrink: 0; }
.examples-note { color: var(--text-tertiary); font-size: 13px; line-height: 1.9; padding-bottom: 30px; }
.example-heading { max-width: 800px; }
.example-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; margin-top: 44px; align-items: start; }
.workflow-panel { --border-subtle: var(--border-panel); border: 1px solid var(--border-subtle); border-radius: 12px; background: var(--surface-panel); padding: 30px; }
.workflow { margin: 24px 0; padding: 0; list-style: none; }
.workflow li { display: flex; align-items: baseline; gap: 16px; padding: 17px 0; border-top: 1px solid var(--border-subtle); font-size: 15px; color: var(--text-secondary); }
.workflow li > span { font-family: ui-monospace, monospace; font-size: 12px; color: var(--text-tertiary); flex-shrink: 0; }
.workflow li.human-step { color: var(--text-primary); }
.workflow-note { font-size: 13px; line-height: 1.9; color: var(--text-tertiary); }
.example-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; padding-top: 24px; margin: 40px 0 0; border-top: 1px solid var(--border-subtle); }
.example-facts dt { font-size: 12px; color: var(--text-tertiary); margin-bottom: 10px; }
.example-facts dd { margin: 0; color: var(--text-secondary); font-size: 14px; line-height: 1.9; }
.process-steps { list-style: none; padding: 0; margin: 40px 0 0; }
.process-steps li { display: grid; grid-template-columns: 52px minmax(0, 1.7fr) minmax(0, 1fr); gap: 30px; border-top: 1px solid var(--border-subtle); padding: 32px 0; }
.process-steps li:last-child { padding-bottom: 0; }
.process-steps h3 { margin-bottom: 12px; }
.process-steps li > div > p { color: var(--text-secondary); font-size: 16px; line-height: 1.95; }
.step-result { padding: 4px 0 0 34px; border-left: 1px solid var(--border-subtle); color: var(--text-tertiary); font-size: 12px; }
.step-result span { display: block; color: var(--text-secondary); font-size: 14px; margin-top: 12px; line-height: 1.9; }
.cost-rows article { padding: 26px 0; border-bottom: 1px solid var(--border-subtle); }
.cost-rows article:first-child { padding-top: 0; }
.cost-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.cost-heading > span { font-size: 12px; color: var(--text-tertiary); }
.cost-rows article > p { font-size: 16px; color: var(--text-secondary); line-height: 1.95; margin-top: 16px; }
.cost-footnote { font-size: 13px; color: var(--text-tertiary); line-height: 1.9; margin-top: 24px; }
.faq-list details { border-bottom: 1px solid var(--border-subtle); }
.faq-list summary { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; padding: 22px 0; cursor: pointer; font-size: 16px; list-style: none; }
.faq-list details:first-child summary { padding-top: 0; }
.faq-list summary::-webkit-details-marker, .mobile-menu summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; color: var(--text-tertiary); font-family: var(--font-latin); font-size: 20px; flex-shrink: 0; }
.faq-list details[open] summary::after { content: '−'; }
.faq-list summary:hover { color: var(--text-secondary); }
.faq-list summary:focus-visible, .mobile-menu summary:focus-visible { outline: 2px solid var(--text-secondary); outline-offset: 5px; }
.faq-list details > p { font-size: 15px; line-height: 1.95; color: var(--text-secondary); padding-bottom: 24px; }
.contact-reading { display: flex; flex-wrap: wrap; gap: 16px 28px; margin-top: 28px; }
.prepare-note { font-size: 13px; line-height: 1.9; color: var(--text-tertiary); padding-top: 26px; margin-top: 34px; border-top: 1px solid var(--border-subtle); }
@media (max-width: 1000px) {
  .site-header { gap: 24px; }
  .site-header > nav { gap: 20px; }

  .split-section, .example-grid { gap: 36px; }
  .service-row, .process-steps li { grid-template-columns: 30px minmax(0, 1.6fr) minmax(0, 1fr); gap: 22px; }
  .deliverable, .step-result { padding-left: 22px; }
  .cost-heading { flex-wrap: wrap; gap: 6px; }
}
@media (max-width: 800px) {
  .site-header { gap: 18px; }
  .site-header > nav { gap: 14px; }
  .site-header > nav a { font-size: 12px; }
  .detail-hero { padding: 76px 0 58px; }
  .detail-section { padding: 60px 0; }
  .detail-lead { font-size: 16px; }
  .detail-columns { gap: 24px; }
  .workflow-panel { padding: 22px; }
  .detail-cta h2 { font-size: 25px; }
}
@media (max-width: 600px) {
  .use-cases-intro > p:not(.eyebrow) { font-size: 16px; }
  .site-header { gap: 12px; }
  .site-header > nav { display: none; }
  .mobile-menu { display: block; flex-shrink: 0; }
  .mobile-menu summary { font-size: 12px; list-style: none; cursor: pointer; padding: 12px 0 12px 4px; color: var(--text-secondary); }
  .mobile-menu[open] summary { color: var(--text-primary); }
  .mobile-menu nav { display: flex; position: absolute; top: calc(100% - 1px); left: 0; right: 0; z-index: 10; flex-direction: column; gap: 0; margin: 0; padding: 12px 20px 20px; background: var(--surface-base); border-bottom: 1px solid var(--border-subtle); }
  .mobile-menu nav a { font-size: 14px; padding: 12px 0; }
  .footer-links { display: flex; gap: 16px 24px; padding-top: 18px; }
  .footer-links a { font-size: 12px; }
  .detail-hero { padding: 58px 0 44px; }
  .detail-hero h1 { font-size: clamp(30px, 7.8vw, 40px); line-height: 1.45; margin-block: 20px 24px; }
  .detail-lead br, .detail-cta p br, .section-description br { display: none; }
  .detail-section { padding: 48px 0; }
  .detail-section h2 { font-size: 28px; }
  .split-section, .example-grid, .detail-columns, .example-facts { grid-template-columns: 1fr; gap: 28px; }
  .service-rows, .process-steps { margin-top: 32px; }
  .service-row, .process-steps li { grid-template-columns: 26px minmax(0, 1fr); gap: 16px; padding: 28px 0; }
  .service-row .deliverable, .step-result { grid-column: 2; padding: 16px 0 0; border-left: 0; border-top: 1px solid var(--border-subtle); }
  .service-row h3, .process-steps h3 { font-size: 18px; }
  .detail-columns { margin-top: 30px; }
  .example-grid { margin-top: 30px; }
  .example-facts { gap: 20px; margin-top: 28px; }
  .example-facts dt { margin-bottom: 5px; }
  .examples-note { padding-bottom: 24px; }
  .workflow li { font-size: 14px; }
  .detail-cta { flex-direction: column; align-items: flex-start; gap: 28px; padding: 48px 0; }
  .detail-cta h2 { font-size: 26px; }
  .faq-list summary { font-size: 15px; }
}