:root {
  color-scheme: dark;
  --background: #0c141c;
  --surface: #13232f;
  --surface-raised: #192e3d;
  --text: #f0f6fb;
  --muted: #a7bccb;
  --accent: #59dce8;
  --border: #507c92;
  --divider: #263e4e;
  --tag-background: var(--surface-raised);
  --panel-radius: 0.25rem;
  --interaction-duration: 160ms;
  --image-backdrop: rgb(0 0 0 / 85%);
  --font-mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--background);
}

*, *::before, *::after { box-sizing: border-box; }
body { display: flex; flex-direction: column; min-height: 100vh; min-height: 100svh; margin: 0; }
.container { width: min(calc(100% - 2.5rem), 84rem); margin-inline: auto; }
a { overflow-wrap: anywhere; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.site-header { position: relative; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem 1.5rem; padding-block: 1rem; border-bottom: 1px solid var(--divider); }
/* Header and footer are the sheet's ruled edges: twelve divisions, as on the chart. */
.site-header::after, .site-footer::before { content: ""; position: absolute; left: 0; right: 0; height: 0.3125rem; background: linear-gradient(to right, var(--border) 1px, transparent 1px) 0 0 / calc(100% / 12) 100%; border-right: 1px solid var(--border); pointer-events: none; }
.site-header::after { bottom: 0; }
.site-footer::before { top: 0; }
.ref { flex: none; color: var(--accent); font-family: var(--font-mono); font-size: 0.8125rem; font-weight: 400; letter-spacing: 0; }
.site-name { display: inline-flex; align-items: center; min-height: 2.75rem; max-width: 100%; }
/* Trim only the PNG's transparent vertical margins; keep the artwork proportional. */
.site-logo { display: block; width: 9rem; max-width: 100%; height: auto; aspect-ratio: 2 / 1; object-fit: cover; }
.site-nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; }
.site-nav a { display: inline-flex; align-items: center; gap: 0.5rem; min-height: 2.75rem; padding-inline: 0.75rem; border: 1px solid transparent; border-radius: 0.375rem; color: var(--muted); font-family: var(--font-mono); font-size: 0.8125rem; transition: color var(--interaction-duration) ease, background-color var(--interaction-duration) ease, border-color var(--interaction-duration) ease; }
.site-nav a:hover, .site-nav a:focus-visible, .site-nav a[aria-current="page"] { color: var(--text); background: var(--surface); border-color: var(--divider); }
.site-nav a:active { color: var(--accent); background: var(--surface-raised); border-color: var(--border); }
.site-nav .ref { font-size: 0.75rem; }
.skip-link { position: absolute; top: 0.5rem; left: 1.25rem; z-index: 2; padding: 0.75rem 1rem; color: var(--text); background: var(--surface); transform: translateY(-200%); }
.skip-link:focus { transform: none; }
main { flex: 1; padding-bottom: 4.5rem; }
h1, h2, h3 { color: var(--text); font-weight: 700; line-height: 1.2; text-wrap: balance; overflow-wrap: anywhere; }
h1 { margin: 0 0 1.25rem; font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 800; letter-spacing: -0.05em; line-height: 1.02; }
h2 { margin: 0; font-size: clamp(1.6rem, 3vw, 2rem); letter-spacing: -0.035em; }
h3 { margin: 0 0 0.75rem; font-size: 1.25rem; letter-spacing: -0.025em; }
p { line-height: 1.75; text-wrap: pretty; }
.eyebrow, .status { color: var(--accent); font-family: var(--font-mono); font-size: 0.8125rem; }
.eyebrow { margin: 0 0 1.25rem; letter-spacing: 0.08em; text-transform: uppercase; }
.status { margin: 0 0 0.75rem; }
.reading a, .page-intro > p a { display: inline-block; padding-block: 0.65rem; color: var(--accent); line-height: 1.5; transition: color var(--interaction-duration) ease, background-color var(--interaction-duration) ease; }
.reading a:hover, .reading a:focus-visible, .page-intro > p a:hover, .page-intro > p a:focus-visible { color: var(--text); }
.reading a:active:not(.store-link), .page-intro > p a:active { color: var(--text); background-color: var(--surface-raised); }
.page-intro > p a { display: inline; }
.section-link { display: inline-flex; align-items: center; gap: 0.55rem; min-height: 2.75rem; max-width: 100%; padding-block: 0.65rem; color: var(--accent); font-size: 0.9375rem; font-weight: 600; line-height: 1.5; transition: color var(--interaction-duration) ease, background-color var(--interaction-duration) ease; }
.section-link span { flex: none; }
.section-link:hover, .section-link:focus-visible { color: var(--text); }
.section-link:active { color: var(--text); background-color: var(--surface-raised); }
.lab-separation { margin: 2rem 0; }
.lab-separation figcaption { margin-bottom: 1rem; color: var(--accent); font-family: var(--font-mono); font-size: 0.8125rem; }
.lab-separation .lab-flow { display: grid; gap: 2.5rem; list-style: none; margin: 0; padding: 0; }
.lab-separation .lab-flow > li { position: relative; min-width: 0; margin: 0; padding: 1rem; border: 1px dashed var(--border); border-radius: var(--panel-radius); background: var(--surface); text-align: left; line-height: 1.5; }
.lab-flow .eyebrow { display: block; margin-bottom: 0.75rem; }
.lab-flow strong { display: block; color: var(--text); line-height: 1.4; overflow-wrap: anywhere; }
.lab-flow-detail { display: block; margin-top: 0.5rem; font-size: 0.875rem; }
.lab-flow-arrow { position: absolute; bottom: -2rem; left: calc(50% - 0.75rem); display: grid; place-items: center; width: 1.5rem; height: 1.5rem; color: var(--accent); font-size: 1.25rem; transform: rotate(90deg); }
.lab-separation .lab-flow-note { margin: 1rem 0 0; font-size: 0.875rem; text-align: left; }
@media (min-width: 48rem) {
  .lab-separation .lab-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lab-flow-arrow { top: calc(50% - 0.75rem); right: -2rem; bottom: auto; left: auto; transform: none; }
}
.page-intro { padding-bottom: 1.75rem; border-bottom: 1px solid var(--divider); }
.page-intro > p:last-child { margin-bottom: 0; }
.page-intro:last-child { border-bottom: 0; }
.page-intro > p:not(.eyebrow) { max-width: 46rem; color: var(--muted); }
.reading h2 { margin-block: 2.5rem 1rem; padding-top: 1.75rem; border-top: 1px solid var(--divider); font-size: clamp(1.5rem, 2.6vw, 1.875rem); }
.reading h3 { margin-block: 1.75rem 0.5rem; }
.reading > p:first-child:has(.back-link) { margin: 0; }
.reading a.back-link, .reading p a.back-link { display: inline-flex; align-items: center; gap: 0.5rem; min-height: 2.75rem; padding-block: 0.5rem; margin-bottom: 1.5rem; color: var(--muted); font-size: 0.9rem; font-weight: 400; }
.reading a.back-link:hover, .reading a.back-link:focus-visible { color: var(--accent); }
.reading p, .reading li { color: var(--muted); line-height: 1.8; }
.page-intro > p:not(.eyebrow), .reading p:not(.eyebrow):not(.policy-date):not(.trademark-note), .reading li { text-align: justify; text-wrap: wrap; hyphens: auto; }
.reading ul { padding-left: 1.25rem; }
.reading li { margin-bottom: 0.5rem; }
.project-figure { margin: 2rem 0; }
.project-figure--phone { max-width: 20rem; margin-inline: auto; }
.project-image-container { position: relative; }
.project-image-trigger { display: none; position: absolute; inset: 0; width: 100%; padding: 0; border: 0; border-radius: var(--panel-radius); background: transparent; cursor: zoom-in; }
@supports selector(:popover-open) {
  .project-image-trigger { display: block; }
}
.project-figure img { display: block; width: 100%; height: auto; border-radius: var(--panel-radius); }
.project-figure figcaption { margin-top: 0.75rem; color: var(--muted); font-size: 0.875rem; line-height: 1.6; }
.image-viewer { display: none; width: max-content; max-width: calc(100vw - 2rem); max-height: calc(100dvh - 2rem); margin: auto; padding: 0; border: 0; background: transparent; color: var(--text); overflow: visible; }
.image-viewer:popover-open { display: grid; grid-template-columns: auto 2.75rem; align-items: start; gap: 0.5rem; }
.image-viewer::backdrop { background: var(--image-backdrop); }
.image-viewer img { grid-column: 1; grid-row: 1; display: block; width: auto; height: auto; max-width: calc(100vw - 5.25rem); max-height: calc(100dvh - 2rem); object-fit: contain; }
.image-viewer-close { grid-column: 2; grid-row: 1; display: grid; place-items: center; width: 2.75rem; height: 2.75rem; padding: 0; border: 0; background: transparent; color: var(--muted); font: inherit; font-size: 2rem; line-height: 1; cursor: pointer; }
.image-viewer-close:hover, .image-viewer-close:focus-visible { color: var(--text); }
.image-viewer-close:active { color: var(--accent); background: var(--surface-raised); }
/* Feedback surrounds the controls; artwork and layout stay still. */
.site-name, .project-image-trigger, .image-viewer-close { outline: 2px solid transparent; outline-offset: 4px; transition: outline-color var(--interaction-duration) ease, color var(--interaction-duration) ease; }
.site-name:focus-visible, .project-image-trigger:hover, .project-image-trigger:focus-visible, .image-viewer-close:hover, .image-viewer-close:focus-visible { outline-color: var(--accent); }
.project-image-trigger:active, .image-viewer-close:active { outline-color: var(--text); }
.site-name:focus-visible, .project-image-trigger:focus-visible, .image-viewer-close:focus-visible, .project-summary:focus-visible { transition-duration: 0ms; }
.reading code { font-family: var(--font-mono); color: var(--text); }
.reading pre { max-width: 100%; overflow-x: auto; padding: 1rem; background: var(--surface); }
.site-footer { position: relative; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem 2rem; padding-block: 1.75rem; border-top: 1px solid var(--divider); color: var(--muted); font-size: 0.875rem; }
.site-footer p { margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 0.5rem 1.5rem; }
.contact-link { display: inline-flex; align-items: center; gap: 0.6rem; min-height: 2.75rem; padding-block: 0.5rem; color: var(--muted); transition: color var(--interaction-duration) ease; }
.contact-link svg { flex: none; width: 1.125rem; height: 1.125rem; }
.contact-link:hover, .contact-link:focus-visible, .contact-link[aria-current="page"] { color: var(--accent); }
.contact-link:active { color: var(--text); }
@media (max-width: 48rem) {
  .site-footer { flex-direction: column; justify-content: center; text-align: center; gap: 0.5rem; }
  .footer-links { width: 100%; }
}
@media (max-width: 35rem) {
  .site-header { flex-direction: column; align-items: center; gap: 0.75rem; }
  .site-nav { justify-content: center; gap: 0.25rem; max-width: 100%; }
  main { padding-bottom: 3rem; }
}
@media (prefers-reduced-motion: reduce) {
  :root { --interaction-duration: 0ms; }
}

/* Project rows: the same flat entries on the home page and the project directory. */
.project-list { display: grid; list-style: none; margin: 0; padding: 0; }
.project-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 0.5rem 2rem; min-width: 0; padding-block: 1.25rem; border-top: 1px solid var(--divider); scroll-margin-top: 1.5rem; }
.project-row:first-child { border-top: 0; }
.project-summary { display: flex; align-items: flex-start; gap: 1rem; min-width: 0; color: var(--text); border-radius: 0.25rem; outline: 2px solid transparent; outline-offset: 4px; transition: outline-color var(--interaction-duration) ease; }
.project-summary-copy { display: flex; flex: 1; flex-direction: column; align-items: flex-start; gap: 0.25rem; min-width: 0; }
.project-summary h2, .project-summary h3 { margin: 0; font-size: 1.125rem; letter-spacing: -0.02em; transition: color var(--interaction-duration) ease; }
.project-summary p { margin: 0; color: var(--muted); }
.project-summary .project-meta { display: flex; gap: 0.625rem; font-family: var(--font-mono); font-size: 0.8125rem; line-height: 1.5; }
.project-summary .project-description { max-width: 48ch; font-size: 0.9375rem; line-height: 1.55; }
.project-arrow { color: var(--accent); font-weight: 400; transition: color var(--interaction-duration) ease; }
.project-summary:hover h2, .project-summary:hover h3, .project-summary:focus-visible h2, .project-summary:focus-visible h3 { color: var(--accent); }
.project-summary:active { outline-color: var(--text); }
.project-summary:active h2, .project-summary:active h3 { color: var(--text); }
.app-icon, .project-planned { flex: none; display: block; width: 3.25rem; height: 3.25rem; border-radius: 0.75rem; }
/* Dashed always means planned, as on the chart's lab point. */
.project-planned { position: relative; border: 1px dashed var(--muted); border-radius: 50%; }
.project-planned::before { content: ""; position: absolute; inset: 38%; border: 2px solid var(--muted); border-radius: 50%; }
.store-link, .reading .store-link { display: inline-flex; align-items: center; justify-content: center; width: fit-content; max-width: 100%; min-height: 2.75rem; padding: 0.375rem 0; border-radius: 0.375rem; }
.store-link img { display: block; width: 7.5rem; max-width: 100%; height: auto; }
/* The badge stays untouched; the arrow says this link leaves the site. It sits outside the layout, so nothing moves. */
.store-link, .reading .store-link { position: relative; }
.store-arrow { position: absolute; top: 0.125rem; left: calc(100% + 0.5rem); color: var(--accent); font-size: 1.25rem; font-weight: 600; line-height: 1; opacity: 0; pointer-events: none; transition: opacity var(--interaction-duration) ease, transform var(--interaction-duration) ease, color var(--interaction-duration) ease; }
.store-link:hover .store-arrow, .store-link:focus-visible .store-arrow { opacity: 1; }
.store-link:active .store-arrow { color: var(--text); }
@media (prefers-reduced-motion: no-preference) {
  .store-arrow { transform: translate(-0.25rem, 0.25rem); }
  .store-link:hover .store-arrow, .store-link:focus-visible .store-arrow { transform: none; }
}
.project-intro { padding-bottom: 0.5rem; }
.project-identity { display: flex; align-items: center; gap: 1.5rem; }
.project-identity .app-icon, .project-identity .project-planned { width: 5rem; height: 5rem; }
.project-identity .app-icon { border-radius: 1rem; }
.project-identity > div { min-width: 0; }
.project-identity .eyebrow { margin-bottom: 0.75rem; }
.project-intro h1 { margin: 0; font-size: clamp(2.25rem, 5vw, 3.75rem); }
.project-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 0.5rem 1.5rem; margin-top: 1.5rem; }
.project-story > p:first-of-type { color: var(--text); font-size: 1.125rem; }
.project-story blockquote { margin: 2rem 0; padding: 0.25rem 0 0.25rem 1.25rem; border-left: 2px solid var(--accent); }
.project-story blockquote p { margin: 0; color: var(--text); }
.reading p a, .reading li a, .project-actions > a:not(.store-link) { font-weight: 600; }
.reading p a, .reading li a { display: inline; padding: 0; }
.reading .eyebrow { color: var(--accent); }
.reading .trademark-note { margin-top: 2.5rem; font-size: 0.8125rem; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
@media (max-width: 35rem) {
  .project-row { grid-template-columns: minmax(0, 1fr); }
  .project-row > .store-link { margin-left: 4.25rem; }
  .project-identity { flex-direction: column; align-items: flex-start; gap: 1rem; }
}

/* Inner pages share the home page's composition: content left, chart right. */
main { padding-top: clamp(2rem, 5vw, 3.5rem); }
.sheet { display: grid; grid-template-columns: minmax(0, 1fr); gap: 3rem clamp(2rem, 5vw, 4.5rem); }
.sheet > :first-child { min-width: 0; }
.reading { max-width: 68ch; }
@media (min-width: 60rem) {
  .sheet { grid-template-columns: minmax(0, 1fr) clamp(17rem, 27vw, 24rem); }
  .reading { width: 100%; justify-self: start; }
  .locator { align-self: start; }
}
@media (min-width: 60rem) and (min-height: 30rem) {
  .locator { position: sticky; top: 1.25rem; }
}

/* The mark and lines are shared by the home chart and the locator. */
.mark-a { fill: var(--mark-a); stroke: var(--mark-a-line, none); stroke-width: 1.25; vector-effect: non-scaling-stroke; }
.mark-d { fill: var(--mark-d); stroke: var(--mark-d-line, none); stroke-width: 1.25; vector-effect: non-scaling-stroke; }
.chart-shadow { --mark-a: var(--surface-raised); --mark-d: var(--surface-raised); opacity: 0.6; }
.edge { fill: none; stroke: var(--border); stroke-width: 1.25; vector-effect: non-scaling-stroke; transition: stroke var(--interaction-duration) ease, stroke-width var(--interaction-duration) ease; }
.edge--current { stroke: var(--accent); }

.locator { min-width: 0; padding-top: 1.75rem; border-top: 1px solid var(--divider); font-family: var(--font-mono); font-size: 0.8125rem; }
.locator-map { display: block; max-width: 24rem; background: var(--surface); border: 1px solid var(--divider); border-radius: var(--panel-radius); outline: 2px solid transparent; outline-offset: 4px; transition: outline-color var(--interaction-duration) ease; }
.locator-map svg { display: block; width: 100%; height: auto; }
.locator-map:hover, .locator-map:focus-visible { outline-color: var(--accent); }
.locator-map:focus-visible { transition-duration: 0ms; }
.locator-map:active { outline-color: var(--text); }
.locator-point { fill: var(--background); stroke: var(--muted); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.locator-point--here { fill: var(--accent); stroke: var(--accent); }
.locator-planned { fill: none; stroke: var(--muted); stroke-width: 1; stroke-dasharray: 3 3; vector-effect: non-scaling-stroke; }
.locator-here { display: flex; gap: 0.75rem; margin: 0.75rem 0 0; color: var(--text); line-height: 1.5; }
.locator-title { margin: 1.5rem 0 0.25rem; color: var(--muted); line-height: 1.5; }
.locator-routes { margin: 0; padding: 0; list-style: none; }
.locator-routes li { border-top: 1px solid var(--divider); }
.locator-routes a { display: flex; align-items: center; gap: 0.75rem; min-height: 2.75rem; padding-block: 0.375rem; color: var(--text); font-family: var(--font-mono); line-height: 1.4; transition: color var(--interaction-duration) ease; }
.locator-routes a:hover, .locator-routes a:focus-visible { color: var(--accent); }
.locator-routes a:active { color: var(--muted); }
@media (min-width: 60rem) {
  .locator { padding-top: 0; border-top: 0; }
}