:root {
  --canvas: #eae4d7;
  --section: #f8f3eb;
  --surface-muted: #f8f3eb;
  --surface-raised: #f3ece0;
  --surface: #fdfaf4;
  --line: #ded7c8;
  --ink: #141f2b;
  --navy: #34455a;
  --blue: #5a7694;
  --slate: #4f667e;
  --tag: #e6e2d8;
  --info: #eef2f7;
  --info-line: #d3dde9;
  --warning: #8b3c35;
  --focus: #2f6f93;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-shell: 0 14px 44px rgba(20,31,43,.10);
  --shadow-card: 0 10px 30px rgba(20,31,43,.10);
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--canvas); }
[id] { scroll-margin-top: calc(var(--header-h) + var(--s4)); }
body { margin: 0; color: var(--ink); background: var(--canvas); font: 400 var(--fs-body)/1.55 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
button, input, select, textarea { font: inherit; }
a { color: inherit; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
button { cursor: pointer; }
.skip-link { position: fixed; left: 16px; top: 12px; z-index: 100; transform: translateY(-180%); background: var(--ink); color: var(--surface); padding: 10px 14px; border-radius: 6px; }
.skip-link:focus { transform: translateY(0); }
.container { width: min(var(--container), calc(100% - 2 * var(--gutter))); margin-inline: auto; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 44px; border: 1px solid var(--ink); border-radius: 10px; padding: 10px 16px; font-weight: 700; text-decoration: none; transition: transform .15s ease, background-color .15s ease; }
.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--blue); color: #fff; border-color: var(--blue); }
.button-secondary { background: var(--surface); color: var(--navy); border-color: var(--line); }
.button-quiet { background: transparent; color: var(--ink); border-color: var(--line); }
.hero { padding: 88px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(32px, 7vw, 88px); align-items: center; }
.eyebrow, .status { display: inline-block; margin-bottom: 14px; color: var(--slate); font-size: 12px; line-height: 1.25; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.status { margin-bottom: 12px; padding: 5px 7px; color: var(--ink); background: var(--tag); border: 1px solid transparent; border-radius: 5px; letter-spacing: .02em; text-transform: none; }
.status.demonstrated { color: var(--navy); background: var(--info); border-color: var(--info-line); }
.status.planned { color: var(--navy); background: var(--surface-raised); border-color: var(--line); }
.status.future { color: var(--slate); background: transparent; border-color: var(--line); }
.case-status { min-height: 29px; display: inline-flex; align-items: center; }
.status.case-status.demonstrated { color: var(--navy); background: var(--info); border-color: var(--info-line); }
.status.case-status.planned { color: var(--navy); background: var(--surface-raised); border-color: var(--line); }
.status.case-status.future { color: var(--slate); background: transparent; border-color: var(--line); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 14ch; margin-bottom: 20px; font-size: clamp(2.25rem, 4.5vw, 4rem); line-height: 1.05; letter-spacing: -.045em; }
h2 { margin-bottom: 16px; font-size: clamp(1.65rem, 2.8vw, 2.5rem); line-height: 1.14; letter-spacing: -.035em; }
h3 { margin-bottom: 8px; font-size: 1.18rem; line-height: 1.25; }
.hero-copy { max-width: 58ch; margin-bottom: 28px; color: var(--slate); font-size: 1.125rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.evidence-panel { padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); }
.panel-label { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; color: var(--slate); font-size: 12px; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; }
.panel-label::before { content: ""; width: 8px; height: 8px; background: var(--blue); border-radius: 50%; }
.record-flow { display: grid; gap: 10px; }
.flow-step { display: flex; align-items: center; gap: 12px; padding: 14px; background: var(--info); border: 1px solid var(--info-line); border-radius: 8px; }
.step-no { display: grid; place-items: center; flex: 0 0 auto; width: 28px; height: 28px; color: #fff; background: var(--navy); border-radius: 6px; font-size: 13px; font-weight: 700; }
.flow-step strong, .flow-step small { display: block; }
.flow-step small { color: var(--slate); font-size: 13px; }
.repair-record { display: grid; gap: 16px; }
.repair-amount { display: grid; gap: 2px; padding: 18px; background: var(--ink); border-radius: 9px; color: rgba(255,255,255,.8); }
.repair-amount strong { color: #fff; font-size: clamp(2.25rem, 5vw, 3.4rem); line-height: 1; letter-spacing: -.05em; }
.repair-amount small { color: rgba(255,255,255,.72); }
.demo-hero { padding: 18px; }
.demo-hero-image { display: block; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-muted); }
.demo-hero-crop { aspect-ratio: 470 / 225; }
.demo-hero-image img { display: block; width: 100%; height: auto; }
.demo-hero-crop img { width: 272.35%; max-width: none; transform: translate(-23.83%, -14.58%); }
.hero-entry-grid { display: grid; gap: 12px; }
.hero-entry-card { display: grid; gap: 7px; min-height: 132px; padding: 18px; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-card); text-decoration: none; }
.hero-entry-card:hover { border-color: var(--blue); transform: translateY(-1px); }
.hero-entry-card .status { width: fit-content; margin: 0; font-size: 11px; }
.hero-entry-card strong { font-size: 1.12rem; line-height: 1.22; }
.hero-entry-card small { color: var(--slate); }
.perspective-list { display: grid; gap: 10px; }
.perspective-list > div { display: grid; gap: 3px; padding: 12px; background: var(--surface-muted); border-radius: 7px; }
.perspective-list small { color: var(--slate); font-size: .76rem; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; }
.perspective-list strong { line-height: 1.25; }
.perspective-list span { color: var(--slate); font-size: .82rem; line-height: 1.35; }
.waitlist-paths { display: grid; gap: 14px; }
.waitlist-paths a { display: grid; grid-template-columns: 42px minmax(0, 1fr); column-gap: 14px; padding: 22px; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); text-decoration: none; }
.waitlist-paths a:hover { border-color: var(--blue); transform: translateY(-1px); }
.waitlist-paths span { grid-row: span 2; display: grid; place-items: center; width: 38px; height: 38px; color: #fff; background: var(--navy); border-radius: 7px; font-size: .78rem; font-weight: 700; }
.waitlist-paths strong { align-self: end; font-size: 1.2rem; line-height: 1.2; }
.waitlist-paths small { align-self: start; margin-top: 5px; color: var(--slate); }
.about-hero-grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 7vw, 88px); align-items: center; }
.about-origin { display: grid; gap: 20px; }
.section { padding: 80px 0; }
.section-alt { background: var(--surface-muted); border-block: 1px solid var(--line); }
.section-intro { max-width: 64ch; margin-bottom: 32px; color: var(--slate); }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.card { padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.card.featured { box-shadow: var(--shadow-card); }
.card p { color: var(--slate); }
.card .button, .text-link { margin-top: 6px; }
.text-link, .case-actions a { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; padding: 8px 12px; color: var(--navy); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; font-weight: 700; text-decoration: none; }
.text-link:hover, .case-actions a:hover { color: var(--ink); background: var(--surface-raised); border-color: var(--blue); }
.path-strip { display: flex; flex-wrap: wrap; gap: 5px; margin: 20px 0; color: var(--slate); font-size: 13px; font-weight: 700; }
.path-strip span { display: inline-flex; align-items: center; }
.path-strip span:not(:last-child)::after { content: "→"; margin-left: 5px; color: var(--blue); }
.comparison { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.comparison .card { min-height: 100%; }
.check-list { display: grid; gap: 12px; padding: 0; list-style: none; }
.check-list li { display: flex; gap: 10px; color: var(--slate); }
.check-list li::before { content: "✓"; color: var(--ink); font-weight: 800; }
.demo-frame { overflow: hidden; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); }
.demo-scroll { width: 100%; overflow-x: auto; overscroll-behavior-inline: contain; }
.demo-embed { display: block; width: 100%; min-height: 620px; border: 0; background: var(--surface-muted); }
.demo-fallback { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px; background: var(--surface-muted); border-top: 1px solid var(--line); }
.demo-fallback p { margin: 0; color: var(--slate); }
.demo-note { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 18px; background: var(--surface-raised); border-bottom: 1px solid var(--line); color: var(--slate); font-size: 14px; }
.demo-note strong { color: var(--ink); }
.demo-unavailable { display: grid; place-items: start; gap: 4px; padding: 48px 24px; background: var(--surface-muted); }
.demo-unavailable .status { margin-bottom: 4px; }
.demo-unavailable p { max-width: 60ch; margin-bottom: 14px; color: var(--slate); }
.notice { padding: 18px 20px; background: var(--surface-raised); border-left: 4px solid var(--warning); border-radius: 6px; }
.notice strong { display: block; margin-bottom: 4px; }
.statistic > strong { display: block; margin-bottom: 10px; color: var(--navy); font-size: clamp(1.7rem, 3vw, 2.25rem); line-height: 1; }
.statistic h3 { margin-bottom: 6px; }
.source-note { max-width: 82ch; margin: 20px 0 0; color: var(--slate); font-size: .92rem; }
.use-case-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.case-category, .use-case-category { margin-top: 56px; padding-top: 56px; border-top: 1px solid var(--line); }
.case-category:first-of-type, .use-case-category:first-of-type { margin-top: 0; padding-top: 0; border-top: 0; }
.case-category > h2, .use-case-category > h2 { max-width: 28ch; margin-bottom: 12px; }
.case-category > .section-intro, .use-case-category > .section-intro { margin-bottom: 28px; }
.case-meta { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; padding: 14px 0 18px; margin: 18px 0 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.case-meta-item { min-width: 0; }
.case-meta-item dt { margin-bottom: 3px; color: var(--slate); font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.case-meta-item dd { margin: 0; color: var(--ink); font-size: .93rem; font-weight: 700; line-height: 1.35; }
.callout { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 32px; color: #fff; background: var(--ink); border-radius: var(--radius-lg); }
.callout h2 { margin-bottom: 8px; }
.callout p { max-width: 60ch; margin-bottom: 0; color: rgba(255,255,255,.8); }
.callout .button { flex: 0 0 auto; color: #fff; background: var(--blue); border-color: var(--blue); }
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; }
.form-shell { max-width: 760px; padding: clamp(24px, 5vw, 48px); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); }
.form-shell > p { color: var(--slate); }
.form-state { padding: 14px 16px; margin: 24px 0; background: var(--surface-raised); border-left: 4px solid var(--warning); border-radius: 6px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.form-field { display: grid; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
label { font-weight: 700; }
input:not([type="checkbox"]), select, textarea { width: 100%; min-height: 44px; padding: 10px 12px; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 7px; }
input[type="checkbox"] { width: 18px; height: 18px; margin: 2px 8px 0 0; vertical-align: top; accent-color: var(--blue); }
textarea { min-height: 120px; resize: vertical; }
.form-help { margin: 4px 0 0; color: var(--slate); font-size: 14px; }
.form-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-top: 24px; }
.form-disabled { opacity: .7; cursor: not-allowed; }
.legal-copy { max-width: 75ch; }
.legal-copy h2 { margin-top: 48px; font-size: 1.65rem; }
.legal-pending { padding: 24px; background: var(--surface-raised); border: 1px solid var(--line); border-radius: var(--radius); }

@media (max-width: 960px) {
  .hero { padding: 64px 0 56px; }
  .hero-grid, .about-grid, .about-hero-grid { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 720px) {
  .section { padding: 56px 0; }
  .cards, .comparison, .future-grid, .form-grid, .use-case-grid { grid-template-columns: 1fr; }
  .card { padding: 20px; }
  .callout { display: block; padding: 24px; }
  .callout .button { margin-top: 20px; }
  .demo-note { align-items: flex-start; flex-direction: column; }
  .demo-embed { width: 1050px; min-height: 620px; }
  .demo-fallback { align-items: flex-start; flex-direction: column; }
  .case-category, .use-case-category { margin-top: 40px; padding-top: 40px; }
  .case-meta { grid-template-columns: 1fr; gap: 12px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: 0s; animation-duration: 0s; } }
/* Shared in-document SVG symbols avoid cross-origin failures in local file previews. */
.bl-inline-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }