.labs-page :focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
.labs-page .lab-skip-link { position: fixed; top: 12px; left: 20px; z-index: 50; padding: 12px 20px; color: var(--bg-deep); background: var(--accent); border-radius: 10px; transform: translateY(-200%); }
.labs-page .lab-skip-link:focus { transform: translateY(0); }
.labs-page #main-content { scroll-margin-top: 120px; }
.labs-page .lab-hero { padding-block: 80px 64px; }
.labs-page .lab-hero h1 { margin-block: 24px 32px; }
.labs-page .lab-introduction { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.labs-page .lab-introduction p { margin: 0; max-width: 65ch; color: var(--text-muted); font-size: 1.125rem; }
.labs-page .lab-introduction .lab-intent { padding-left: 24px; border-left: 1px solid var(--line-strong); font-size: 1rem; }
.labs-page .lab-section-heading { margin-bottom: 24px; }
.labs-page .lab-section-heading h2, .labs-page .lab-horizon h2 { margin: 12px 0; font-size: clamp(1.75rem, 3.4vw, 2.75rem); line-height: 1.15; letter-spacing: -0.045em; }
.labs-page .lab-section-heading > p:last-child { max-width: 65ch; color: var(--text-muted); }
.labs-page .lab-domain { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.labs-page .lab-domain-copy { padding: 32px; }
.labs-page .lab-domain-meta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.labs-page .lab-kicker { color: var(--accent); font-family: "IBM Plex Mono", monospace; font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; }
.labs-page .lab-planned { padding: 4px 12px; border: 1px solid var(--signal); border-radius: 999px; color: var(--signal); font-family: "IBM Plex Mono", monospace; font-size: 0.875rem; }
.labs-page .lab-domain h3 { margin: 32px 0 16px; font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1.1; letter-spacing: -0.05em; }
.labs-page .lab-domain-copy > p { max-width: 58ch; color: var(--text-muted); }
.labs-page .lab-domain-copy .lab-availability { margin: 24px 0 0; padding-top: 24px; border-top: 1px solid var(--line); color: var(--text); }
.labs-page .lab-domain-outline { padding: 32px; background: var(--bg-deep); border-left: 1px solid var(--line-strong); }
.labs-page .lab-domain-outline h4 { margin: 0 0 24px; font-size: 1rem; font-weight: 500; }
.labs-page .lab-topics { list-style: none; padding: 0; margin: 0; }
.labs-page .lab-topics li { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 16px; padding-block: 20px; border-top: 1px solid var(--line); }
.labs-page .lab-topics li > span { color: var(--accent); font-family: "IBM Plex Mono", monospace; font-size: 0.875rem; }
.labs-page .lab-topics strong { font-size: 1rem; font-weight: 500; }
.labs-page .lab-topics p { margin: 4px 0 0; color: var(--text-muted); }
.labs-page .lab-approach { padding-block: 80px; }
.labs-page .lab-methods { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; list-style: none; margin: 32px 0 0; padding: 0; }
.labs-page .lab-methods li { padding-top: 24px; border-top: 1px solid var(--line-strong); }
.labs-page .lab-methods h3 { margin: 16px 0 12px; font-size: 1.25rem; letter-spacing: -0.025em; }
.labs-page .lab-methods p { margin: 0; color: var(--text-muted); }
.labs-page .lab-horizon { padding-block: 32px 80px; border-top: 1px solid var(--line-strong); }
.labs-page .lab-horizon > p:not(.section-index) { max-width: 70ch; margin-bottom: 24px; color: var(--text-muted); }
.labs-page .lab-horizon .text-link { min-height: 44px; align-items: center; white-space: normal; }
.labs-page .site-footer { padding-bottom: 48px; }

@media (max-width: 980px) {
  .labs-page .lab-introduction { grid-template-columns: 1fr; gap: 24px; }
  .labs-page .lab-introduction .lab-intent { padding-left: 0; border-left: 0; }
  .labs-page .lab-domain { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .labs-page .lab-hero { padding-block: 48px; }
  .labs-page #main-content { scroll-margin-top: 180px; }
  .labs-page .lab-domain, .labs-page .lab-methods { grid-template-columns: 1fr; }
  .labs-page .lab-domain-copy, .labs-page .lab-domain-outline { padding: 24px; }
  .labs-page .lab-domain-outline { border-left: 0; border-top: 1px solid var(--line-strong); }
  .labs-page .lab-approach { padding-block: 48px; }
  .labs-page .lab-methods { gap: 24px; }
  .labs-page .lab-horizon { padding-block: 32px 48px; }
  .labs-page .lab-hero h1 { font-size: clamp(2.5rem, 11.5vw, 4.5rem); }
}