/* Evidence Observatory. Shared visual language; behavior stays in the owning modules. */
.observatory-page { --obs-rule: var(--line-strong); --obs-ease: cubic-bezier(.2,.8,.2,1); }
.observatory-page :where(button,a,input,select,summary):focus-visible { outline-offset: 5px; }
.observatory-page .wordmark { letter-spacing: -.06em; }
.observatory-page .site-head .nav { width: min(1440px,calc(100% - 48px)); }
.observatory-page .nav-pill { border-radius: 14px; padding-inline: 20px; }
.observatory-page .hero { position: relative; padding-block: clamp(64px,9vw,128px) 72px; overflow: clip; }
.observatory-hero-grid { grid-template-columns: minmax(0,1fr) minmax(0,1.03fr); align-items: center; gap: clamp(24px,4vw,72px); }
.observatory-page .hero-copy { position: relative; z-index: 1; max-width: 660px; }
.observatory-page .hero h1 { font-size: clamp(48px,5.6vw,86px); font-weight: 400; letter-spacing: -.075em; line-height: 1.035; }
.observatory-page .hero h1 .dim { color: var(--fg-1); }
.observatory-page .hero .lede { max-width: 31em; font-size: clamp(16px,1.3vw,19px); line-height: 1.75; margin-top: 28px; }
.observatory-page .hero .cta-row { margin-top: 32px; }
.observatory-page .hero .proof { line-height: 1.8; }
.observatory-page .btn { border-radius: 9px; }
.observatory-page .btn-solid { box-shadow: inset 0 1px 0 #ffffff25; }
.observatory-page .workspace-preview { padding: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.observatory-page .workspace-preview-head { padding: 0 0 16px; border-bottom: 1px solid var(--obs-rule); }
.observatory-page .workspace-preview h2 { margin: 18px 0 0; font-size: clamp(23px,2vw,30px); font-weight: 400; letter-spacing: -.045em; }
.observatory-art { position: relative; margin: 0; min-width: 0; }
.observatory-stage { position: relative; aspect-ratio: 760/540; margin: -20px -26px -16px; isolation: isolate; }
.observatory-poster { display: block; width: 100%; height: 100%; object-fit: contain; }
.observatory-stage canvas { position: absolute; z-index: 0; inset: 0; width: 100%; height: 100%; pointer-events: none; }
[data-renderer="webgl"] .observatory-poster { visibility: hidden; }
.observatory-coordinate { position: absolute; top: 12%; left: 5%; color: var(--fg-2); font: 10px/1.6 var(--font-mono); letter-spacing: .08em; writing-mode: vertical-rl; }
.observatory-controls { position: absolute; z-index: 2; bottom: 5%; inset-inline: 0; display: flex; justify-content: center; gap: 4px; }
.observatory-controls[hidden],.observatory-toggle[hidden],.observatory-feedback[hidden] { display: none; }
.observatory-controls button { min-height: 44px; padding: 8px 17px; border: 1px solid transparent; border-radius: 8px; background: var(--bg-0); color: var(--fg-1); cursor: pointer; font: 13px var(--font-sans); }
.observatory-controls button[aria-pressed="true"] { color: var(--accent); border-color: var(--accent-line); background: var(--bg-1); }
.observatory-controls button:hover { color: var(--fg-0); border-color: var(--line-hover); }
.observatory-art figcaption { display: flex; gap: 16px; align-items: flex-start; justify-content: space-between; min-height: 74px; padding-top: 16px; border-top: 1px solid var(--line); }
.observatory-note { max-width: 34em; color: var(--fg-1); font-size: 12px; line-height: 1.8; }
.observatory-toggle { flex: none; display: inline-flex; align-items: center; gap: 12px; min-height: 44px; margin-top: -10px; padding: 8px 0 8px 8px; border: 0; background: transparent; color: var(--fg-0); font: 12px var(--font-sans); cursor: pointer; }
.observatory-toggle:disabled { color: var(--fg-2); cursor: default; }
.observatory-toggle span { color: var(--accent); }
.observatory-feedback { color: var(--fg-1); font-size: 12px; line-height: 1.7; padding-block: 8px; }
.observatory-page .workspace-path { display: flex; gap: 12px; border-top: 1px solid var(--line); }
.observatory-page .workspace-path > li { flex: 1; min-width: 0; border: 0; }
.observatory-page .workspace-path a { display: flex; align-items: flex-start; gap: 8px; padding: 16px 0; min-height: 64px; }
.observatory-page .workspace-path strong { font-size: 12px; line-height: 1.5; font-weight: 500; }
.observatory-page .workspace-path a > span:nth-child(2) > span { display: none; }
.observatory-page .workspace-path .path-number { font-size: 10px; padding-top: 3px; }
.observatory-page .workspace-path .path-arrow { font-size: 12px; }
.observatory-page .workspace-preview-note { margin-top: 0; border: 0; padding-top: 0; font-size: 12px; }

/* The journey becomes a horizontal chapter rail rather than another card grid. */
.observatory-page .cloud-start { border-top: 1px solid var(--obs-rule); padding-block: 72px; }
.observatory-journey { grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr); gap: 64px; }
.observatory-page .cloud-start h2 { font-weight: 400; letter-spacing: -.055em; font-size: clamp(32px,3.1vw,48px); }
.observatory-page .cloud-steps { border: 0; border-radius: 0; padding: 0; background: transparent; }
.observatory-page .cloud-steps > li { grid-template-columns: 44px minmax(0,1fr); padding-block: 24px; border-top: 1px solid var(--obs-rule); }
.observatory-page .cloud-steps > li:last-child { border-bottom: 1px solid var(--obs-rule); }
.observatory-page .cloud-step-number { border-radius: 50%; background: transparent; width: 36px; height: 36px; }
.observatory-page .cli-integration { border-radius: 0; border-inline: 0; background: transparent; }
.observatory-page .compatibility { padding-block: 36px; background: var(--bg-1); }
.observatory-page .compatibility-inner { gap: 32px; }
.observatory-page .compatibility p { max-width: 25ch; font-size: 13px; }
.observatory-page .compatibility strong { font-weight: 400; letter-spacing: -.02em; }

/* Distinct chapter compositions retain the original functional controls. */
.observatory-page :where(.problem,.branches,.trust,.guard-lab,.how,.artifacts,.security,.evidence-proof,.pricing,.faq) { padding-block: clamp(64px,8vw,112px); }
.observatory-page :where(.problem-head,.branches-head,.guard-head,.artifacts-head,.pricing-head,.security-head,.proof-head) { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(0,.7fr); gap: 32px 80px; align-items: end; margin-bottom: 44px; }
.observatory-page :where(.problem-head,.branches-head,.guard-head,.artifacts-head,.pricing-head,.security-head,.proof-head) .sec-sub { margin: 0; max-width: 42ch; }
.observatory-page #main > section h2 { font-weight: 400; letter-spacing: -.055em; }
.observatory-page :where(.compare-system,.branch-console,.guard-simulator,.artifact-browser,.plans) { border-radius: 14px; }
.observatory-page .compare-side { background: transparent; }
.observatory-page .compare-side li { border-top: 1px solid var(--line); padding-block: 21px; }
.observatory-page .compare-evolution { background: var(--accent-soft); }
.observatory-page .compare-title h3 { font-size: 22px; font-weight: 400; letter-spacing: -.03em; }
.observatory-page .compare-foot { padding-top: 30px; letter-spacing: .08em; }
.observatory-page .film { border-block: 1px solid var(--obs-rule); }
.observatory-page .film-head { max-width: 820px; padding-block: 80px 40px; }
.observatory-page .film-head h2 { max-width: 16ch; font-size: clamp(36px,4vw,60px); }
.observatory-page .film-head .sec-sub { max-width: 48ch; }
.observatory-page .branch-console { background: var(--bg-1); box-shadow: 0 32px 80px #00000012; }
.observatory-page .branch-switch { padding: 6px; gap: 6px; }
.observatory-page .branch-switch button { border-radius: 7px; }
.observatory-page .branch-receipt { border-inline-start: 2px solid var(--accent-line); }
.observatory-page .trust { background: var(--bg-1); }
.observatory-page .trust-detail { border-left: 2px solid var(--accent-line); padding-left: 24px; }
.observatory-page .guard-simulator { border: 1px solid var(--obs-rule); background: var(--bg-1); }
.observatory-page .artifact-dna { border-radius: 0; border-inline: 0; background: transparent; }
.observatory-page .artifact-item { border-radius: 8px; }
.observatory-page .holds { border-block: 1px solid var(--obs-rule); padding-block: 32px; }
.observatory-page .proof-grid { gap: 0; border-top: 1px solid var(--obs-rule); }
.observatory-page .proof-card { border: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; padding: 28px; }
.observatory-page .proof-card:last-child { border-right: 0; }
.observatory-page .proof-card h3 { font-weight: 400; font-size: 22px; letter-spacing: -.035em; }
.observatory-page .pricing { border-top: 1px solid var(--obs-rule); }
.observatory-page .plan { border-radius: 0; border-inline-end: 1px solid var(--obs-rule); box-shadow: none; }
.observatory-page .faq { background: var(--bg-1); }
.observatory-page .faq details { border-radius: 0; background: transparent; border-inline: 0; }
.observatory-page .cta { padding-block: 96px; }
.observatory-page .cta h2 { max-width: 17ch; font-size: clamp(38px,5vw,72px); letter-spacing: -.06em; font-weight: 400; }
.observatory-page .site-foot { border-top: 1px solid var(--obs-rule); }
.observatory-page .footer-watermark { font-size: clamp(80px,17vw,240px); letter-spacing: -.09em; }

/* Reading rooms: stronger editorial hierarchy without shrinking body copy. */
.observatory-page .lg-wrap { width: min(860px,calc(100% - 2 * var(--gutter))); }
.observatory-page .lg-head { border-bottom-color: var(--obs-rule); }
.observatory-page .lg-main { padding-top: 88px; }
.observatory-page .lg-main h1 { max-width: 17ch; font-size: clamp(40px,5vw,68px); line-height: 1.08; letter-spacing: -.055em; }
.observatory-page .lg-toc { border-block-color: var(--obs-rule); padding-block: 24px; }
.observatory-page .lg-main section { padding-top: 12px; }
.observatory-page .lg-main h2 { font-weight: 400; font-size: 27px; letter-spacing: -.035em; }
.observatory-page .doc-panel { border-radius: 8px; border-left: 2px solid var(--accent-line); }

/* Workbench: quiet, dense enough to use, with the same material and type rhythm. */
.observatory-page .sidebar { border-right: 1px solid var(--line); background: var(--bg-1); }
.observatory-page .side-top { border-bottom: 1px solid var(--line); }
.observatory-page .nav-group > button { border-radius: 8px; }
.observatory-page .nav-group > button[aria-current="true"] { box-shadow: inset 2px 0 var(--accent); }
.observatory-page .topbar { border-bottom: 1px solid var(--line); }
.observatory-page .page-head { padding-bottom: 24px; margin-bottom: 28px; }
.observatory-page .page-head h1 { font-size: clamp(28px,2.6vw,38px); font-weight: 400; letter-spacing: -.055em; }
.observatory-page .page-head p { line-height: 1.7; }
.observatory-page .card { border: 1px solid var(--line); border-radius: 10px; }
.observatory-page .card-head { padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.observatory-page .card h2 { font-weight: 400; letter-spacing: -.025em; }
.observatory-page .empty-state { border-radius: 10px; border-left: 2px solid var(--accent-line); padding: 28px; }
.observatory-page .empty-title { font-size: 18px; font-weight: 400; letter-spacing: -.03em; }
.observatory-page table.data th { font-size: 11px; letter-spacing: .04em; }
.observatory-page table.data td { padding-block: 16px; }
.observatory-page .signin h1 { letter-spacing: -.065em; font-weight: 400; }
.observatory-page .signin { border-top: 2px solid var(--accent-line); }

@media (prefers-reduced-motion: no-preference) {
  .observatory-poster { transition: transform 650ms var(--obs-ease); }
  [data-stage="evidence"] .observatory-poster { transform: rotate(-3deg) scale(1.035); }
  [data-stage="reuse"] .observatory-poster { transform: rotate(3deg) scale(.96); }
  .observatory-controls button,.observatory-toggle { transition: color 160ms ease,background-color 160ms ease,border-color 160ms ease; }
  .observatory-page .hero h1 { animation: obs-type-arrive 650ms var(--obs-ease) both; }
  .observatory-page .nav-group > button,.observatory-page table.data tr { transition: background-color 160ms ease,color 160ms ease; }
  @keyframes obs-type-arrive { from { transform: translateY(12px); } to { transform: translateY(0); } }
}
@media (prefers-contrast: more),(forced-colors: active) {
  .observatory-poster { opacity: .65; }
  .observatory-stage canvas { display: none; }
  [data-renderer="webgl"] .observatory-poster { visibility: visible; }
}
@media (min-width: 1500px) { .observatory-page .wrap { max-width: 1360px; } }
@media (max-width: 1100px) {
  .observatory-page .hero h1 { font-size: clamp(46px,5.8vw,66px); }
  .observatory-page .hero-grid { gap: 28px; }
  .observatory-page .workspace-preview .preview-caption { display: none; }
  .observatory-page .workspace-path .path-number { display: none; }
}
@media (max-width: 767px) {
  .observatory-page .site-head .nav { width: calc(100% - 24px); }
  .observatory-page .nav-pill { padding-inline: 12px; }
  .observatory-page .hero { padding-block: 48px 40px; }
  .observatory-page .hero-grid,.observatory-journey { grid-template-columns: minmax(0,1fr); gap: 32px; }
  .observatory-page .hero h1 { max-width: 15ch; font-size: clamp(45px,9.4vw,66px); }
  .observatory-page .hero .lede { margin-top: 24px; font-size: 16px; }
  .observatory-page .hero .cta-row { flex-wrap: wrap; gap: 10px; margin-top: 24px; }
  .observatory-page .workspace-preview { max-width: 560px; width: 100%; margin-inline: auto; }
  .observatory-stage { margin-inline: -12px; }
  .observatory-art figcaption { gap: 8px; }
  .observatory-toggle { max-width: 100px; text-align: left; }
  .observatory-page :where(.problem-head,.branches-head,.guard-head,.artifacts-head,.pricing-head,.security-head,.proof-head) { grid-template-columns: minmax(0,1fr); gap: 20px; margin-bottom: 28px; }
  .observatory-page .cloud-start { padding-block: 48px; }
  .observatory-page .proof-card { padding: 20px 16px; }
  .observatory-page .lg-main { padding-top: 48px; }
  .observatory-page .lg-main h1 { font-size: clamp(38px,7vw,52px); }
  .observatory-page .empty-state { padding: 20px; }
  .observatory-page .card { padding: 16px; }
  .observatory-page .card .stat-row { margin-inline: -16px; }
}