/* Arc UI motion timings and easing: https://uiarc.dev/docs/motion.
   Native Eleventy adaptation. Quattro, original artwork, and publication red
   carry the identity; movement explains interaction. */
:root {
  --bg: #fcfcfd;
  --surface: #f0f2f4;
  --text: #262930;
  --muted: #656970;
  --faint: #72767d;
  --rule: #dfe1e5;
  --accent-dark: #b83223;
  --ease-standard: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-enter: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 160ms;
  --duration-standard: 240ms;
  --duration-considered: 480ms;
  --ease-morph: cubic-bezier(0.22, 1, 0.36, 1);
}
@supports (transition-timing-function: linear(0, 1)) {
  :root { --ease-morph: linear(0, 0.19 8%, 0.58 20%, 0.88 35%, 1.018 55%, 1.006 75%, 1); }
}
::selection { color: #fff; background: var(--accent-dark); }
button, input { font: inherit; }
button { cursor: pointer; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 0.6rem; left: 1rem; z-index: 100; padding: 0.6rem 1rem; background: var(--text); color: var(--bg); transform: translateY(-160%); }
.skip-link:focus { transform: none; }
main:focus { outline: none; }
html { scroll-padding-top: 7rem; }

/* A single shared indicator follows navigation, including keyboard focus. */
.site-nav { position: sticky; top: 0; z-index: 20; background: rgb(252 252 253 / 0.94); backdrop-filter: blur(16px); }
.site-nav__inner { width: min(100% - 4rem, 72rem); min-height: 4.8rem; gap: 1rem; }
.site-nav__brand { font-size: 1rem; letter-spacing: -0.06em; white-space: nowrap; }
.site-nav__links { position: relative; gap: 0.15rem; isolation: isolate; }
.site-nav__links a { position: relative; z-index: 1; padding: 0.4rem 0.8rem; min-height: 2.5rem; display: inline-flex; align-items: center; border-radius: 999px; font-size: 0.8rem; white-space: nowrap; }
.site-nav__links a[aria-current="page"] { background: var(--accent-soft); }
.site-nav__links.has-indicator a[aria-current="page"] { background: transparent; }
.nav-indicator { position: absolute; top: 0; left: 0; z-index: -1; height: 100%; border-radius: 999px; background: var(--accent-soft); opacity: 0; pointer-events: none; }
.has-indicator .nav-indicator { opacity: 1; }
.nav-indicator.is-ready { transition: transform 420ms var(--ease-morph), width 420ms var(--ease-morph); }
.reading-progress { position: absolute; bottom: -1px; left: 0; width: 100%; height: 2px; }
.reading-progress span { display: block; width: 100%; height: 100%; background: var(--accent); transform: scaleX(0); transform-origin: left; }

/* The homepage takes its space. Essays keep their reading measure. */
.wrap--home { width: min(100% - 4rem, 72rem); padding-top: 2.6rem; }
.home-page .pub-header { display: grid; grid-template-columns: 1.55fr 1fr; gap: 1.2rem 3rem; padding: 1.2rem 0 2rem; border-top-width: 2px; }
.pub-kicker { text-transform: none; letter-spacing: 0; font-weight: 400; color: var(--muted); font-size: 0.76rem; }
.home-page .pub-kicker { grid-column: 1 / -1; margin-bottom: 1.7rem; }
.home-page .pub-title { color: var(--text); font-size: clamp(4rem, 8.6vw, 7.5rem); white-space: nowrap; align-self: center; }
.pub-cursor { color: var(--accent); animation: none; transform-origin: 50% 80%; }
.home-page .pub-tagline { align-self: center; margin: 0; max-width: 31ch; font-size: clamp(1rem, 1.7vw, 1.25rem); line-height: 1.6; }
.home-page .pub-credit { grid-column: 1 / -1; margin-top: 1.7rem; padding-top: 1.2rem; }
/* The AI masthead's bold Quattro and red slash now name every publication desk. */
.publication-masthead { border-top: 0; border-bottom: 2px solid var(--text); padding-bottom: 1.7rem; margin-bottom: 2rem; }
.publication-masthead__title, .home-page .pub-title.publication-masthead__title { margin: 0; color: var(--text); font-size: clamp(4.5rem, 8vw, 7rem); font-weight: 700; line-height: 0.9; letter-spacing: -0.08em; white-space: nowrap; text-wrap: nowrap; }
.publication-masthead__slash { color: var(--accent); padding-left: 0.08em; font-weight: 700; }
.pub-cursor.publication-masthead__slash { margin-left: 0; }
.reading-header.publication-masthead { padding-top: 0.2rem; }
.reading-header .page-kicker { margin-bottom: 1.4rem; }
.reading-header .reading-intro { margin-top: 1.2rem; }
.digest-intro { max-width: 45ch; margin: 1.2rem 0 0; color: var(--muted); font-size: 0.9rem; }
.digest-edition-title { margin-top: 2rem; }
.pub-byline { font-size: 0.76rem; }
.rss-btn { padding: 0.5rem 0.8rem; background: var(--accent-soft); border-radius: 999px; font-weight: 400; }
.rss-btn:hover { background: rgb(233 79 55 / 0.14); }
.section-heading { border-bottom-color: var(--rule); padding-bottom: 1rem; }
.section-heading h2 { font-size: 1rem; text-transform: none; letter-spacing: -0.035em; }
.section-heading span { color: var(--muted); font-size: 0.75rem; }
.post-section { margin-top: 2rem; }
.home-page .post-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 3rem; }
.home-page .post-card { padding: 1.8rem 0; min-width: 0; }
.home-page .post-card--illustrated { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 3rem; align-items: center; }
.post-card__copy { min-width: 0; }
.home-page .post-card--illustrated h2 { max-width: 30ch; font-size: clamp(1.65rem, 2.5vw, 2.1rem); }
.post-card::before { display: none; }
.home-page .post-card h2 { max-width: 32ch; font-size: 1.5rem; line-height: 1.3; letter-spacing: -0.045em; text-wrap: balance; }
.home-page .post-card .excerpt { color: var(--muted); font-size: 0.92rem; line-height: 1.65; margin: 0.8rem 0 1.2rem; }
.home-page .post-meta { gap: 0.6rem; flex-wrap: wrap; justify-content: flex-start; font-size: 0.7rem; }
.home-page .post-meta .hearts { margin-left: auto; }
.home-page .post-card--lead { grid-column: 1 / -1; display: grid; grid-template-columns: 1.15fr 1fr; gap: 3rem; align-items: center; padding: 1.5rem 0 2.2rem; margin-bottom: 0.3rem; }
.post-card__image { display: block; overflow: hidden; border-radius: 4px; background: var(--surface); }
.post-card__image img { display: block; width: 100%; height: auto; transition: transform var(--duration-considered) var(--ease-standard); }
.post-card__latest { margin: 0 0 0.8rem; font-size: 0.76rem; color: var(--accent-dark); }
.home-page .post-card--lead h2 { font-size: clamp(1.65rem, 3vw, 2.4rem); line-height: 1.17; letter-spacing: -0.065em; }
.post-card__read { display: inline-flex; align-items: center; gap: 1rem; margin-top: 1.5rem; font-size: 0.8rem; font-weight: 700; }
.post-card__read span { transition: transform var(--duration-standard) var(--ease-standard); }
.post-card__read:hover { text-decoration: none; }
.post-card__read:hover span { transform: translate(3px, -3px); }
@media (hover: hover) { .post-card__image:hover img { transform: scale(1.025); } }

/* Search keeps the archive readable and stays out of the way until needed. */
.archive-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 0.65rem; margin: 1.2rem 0 0.3rem; }
.meaning-search { border: 1px solid var(--accent-dark); border-radius: 7px; padding: 0.7rem 0.9rem; background: var(--accent-dark); color: var(--bg); font: inherit; font-size: 0.7rem; cursor: pointer; transition: transform var(--duration-fast), opacity var(--duration-fast); }
.meaning-search:hover { transform: translateY(-2px); }
.meaning-search:disabled { opacity: 0.6; cursor: wait; transform: none; }
.meaning-scope { max-width: 100%; min-height: 2.8rem; padding: 0.4rem 0.6rem; border: 1px solid var(--rule); border-radius: 7px; background: var(--bg); color: var(--text); font: inherit; font-size: 0.7rem; }
.meaning-status { margin: 0.65rem 0 1rem; color: var(--muted); font-size: 0.65rem; line-height: 1.6; }
.meaning-results { margin: 2rem 0 3rem; }
.meaning-results > h2 { font-size: 1.25rem; font-weight: 400; margin-bottom: 1rem; }
.meaning-results ol { list-style: none; padding: 0; margin: 0; }
.meaning-result { display: block; padding: 1.4rem 0; border-top: 1px solid var(--rule); color: var(--text); text-decoration: none; overflow-wrap: anywhere; }
.meaning-result__meta { font-size: 0.63rem; color: var(--muted); }
.meaning-result h3 { font-size: 1rem; line-height: 1.4; font-weight: 500; margin: 0.4rem 0; transition: color var(--duration-fast); }
.meaning-result:hover h3 { color: var(--accent-dark); }
.meaning-result p { font-size: 0.75rem; line-height: 1.75; color: var(--muted); max-width: 75ch; margin: 0; }
.archive-search { display: flex; align-items: center; gap: 0.7rem; width: min(100%, 26rem); min-height: 2.8rem; padding: 0.4rem 0.9rem; border: 1px solid var(--rule); border-radius: 8px; background: var(--bg); transition: border-color var(--duration-fast), box-shadow var(--duration-fast); }
.archive-search:focus-within { border-color: var(--accent-dark); box-shadow: 0 0 0 3px var(--accent-soft); }
.archive-search svg { flex: none; width: 1.1rem; height: 1.1rem; color: var(--muted); }
.archive-search input { width: 100%; min-width: 0; border: 0; outline: none; background: transparent; color: var(--text); font-size: 0.78rem; }
.archive-search input::placeholder { color: var(--muted); opacity: 1; }
.archive-search kbd { font: inherit; font-size: 0.7rem; color: var(--muted); border: 1px solid var(--rule); padding: 0 0.35rem; border-radius: 3px; }
.archive-clear { border: none; background: transparent; color: var(--accent-dark); font-size: 0.75rem; padding: 0.5rem; }
.archive-count { color: var(--muted); font-size: 0.72rem; }
.archive-empty { padding: 2rem 0; color: var(--muted); font-size: 0.9rem; }
.home-page .post-list.is-filtered .post-card { grid-column: auto; display: block; }
.post-list.is-filtered .post-card__image, .post-list.is-filtered .post-card__latest, .post-list.is-filtered .post-card__read { display: none; }
.home-page .post-list.is-filtered .post-card h2 { font-size: 1.5rem; line-height: 1.3; }

/* Routes into the other desks are part of the publication, not an afterthought. */
.publication-paths { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; margin-top: 4rem; padding: 2rem; background: var(--surface); border-radius: 8px; }
.publication-paths > a { display: flex; flex-direction: column; align-items: flex-start; color: var(--text); }
.publication-paths > a:hover { text-decoration: none; }
.path-symbol { font-size: 2rem; line-height: 1; color: var(--accent-dark); transition: transform var(--duration-standard) var(--ease-morph); }
.publication-paths a:hover .path-symbol { transform: translateY(-3px) rotate(-8deg); }
.publication-paths h2 { font-size: 1.05rem; letter-spacing: -0.04em; margin: 1.2rem 0 0; }
.publication-paths p { margin: 0.7rem 0 1.2rem; color: var(--muted); font-size: 0.8rem; }
.path-action { margin-top: auto; color: var(--accent-dark); font-size: 0.75rem; }

/* Reader controls inherit Arc's quick press and smooth panel timings. */
.reading-header { margin-bottom: 2rem; }
.reading-title, .digest-title { text-wrap: balance; }
.page-kicker { text-transform: none; letter-spacing: 0; color: var(--muted); font-weight: 400; }
.read-list { margin-top: 1.5rem; border-top-color: var(--rule); }
.read-card { padding: 1.6rem 0; transition: color var(--duration-fast); overflow-wrap: anywhere; }
.read-card:hover { text-decoration: none; }
.read-card .blurb { color: var(--muted); }
.read-card__title { letter-spacing: -0.035em; }
.read-card__footer > :last-child { opacity: 1; transform: none; }
.read-card:focus-visible .read-card__title { color: var(--accent-dark); }
.reader-sheet { transition: transform 400ms var(--ease-standard), opacity var(--duration-standard) var(--ease-standard); }
.reader-backdrop { transition: opacity var(--duration-standard) var(--ease-standard); }
.reader-control, .pill, .rss-btn { transition: background var(--duration-fast), color var(--duration-fast), transform 260ms var(--ease-morph); }
.reader-control:active, button.pill:active, .rss-btn:active { transform: scale(0.96); }
.essay-duration { color: var(--muted); font-size: 0.76rem; margin: 0.7rem 0 0; }
.post-title { text-wrap: balance; }
.post-body { line-height: 1.8; }
.post-body blockquote { margin: 2rem 0; padding-left: 1.3rem; border-left: 2px solid var(--accent); color: var(--muted); }
.post-body pre { max-width: 100%; padding: 1rem; background: var(--surface); overflow-x: auto; font-size: 0.8rem; }
.post-body img { max-width: 100%; height: auto; }
.post-body a, .digest-body a { overflow-wrap: anywhere; }
.post-illustration { margin: 3rem 0; }
.post-illustration img { border-radius: 4px; }
.copy-link { background: transparent; }
.footer-card { border-radius: 8px; }
.footer-card .pub-cursor { display: none; }
.site-footer { display: flex; justify-content: space-between; gap: 2rem; width: min(100% - 4rem, 72rem); margin: 0 auto; padding: 2rem 0 3rem; border-top: 1px solid var(--rule); }
.site-footer__name { color: var(--text); font-size: 1rem; font-weight: 700; letter-spacing: -0.05em; }
.site-footer p { color: var(--muted); font-size: 0.72rem; margin: 0.5rem 0 0; }
.site-footer__links { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 0.5rem 1.5rem; font-size: 0.72rem; }
.site-footer__links a { color: var(--muted); }
.about-projects li { display: grid; grid-template-columns: 12rem 1fr; gap: 1rem; }

/* One introductory sequence. Content remains visible if scripting fails. */
@keyframes masthead-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes slash-in { from { transform: rotate(-18deg) scaleY(0.6); opacity: 0; } to { transform: none; opacity: 1; } }
@media (prefers-reduced-motion: no-preference) {
  .home-page .pub-title .pub-name { display: inline-block; animation: masthead-in var(--duration-considered) var(--ease-enter) both; }
  .home-page .pub-cursor { animation: slash-in 600ms var(--ease-enter) 80ms both; }
  .home-page .pub-tagline { animation: masthead-in var(--duration-considered) var(--ease-enter) 120ms both; }
  @view-transition { navigation: auto; }
  ::view-transition-old(root) { animation: 120ms ease-out both page-out; }
  ::view-transition-new(root) { animation: 240ms var(--ease-enter) both page-in; }
}
@keyframes page-out { to { opacity: 0; } }
@keyframes page-in { from { opacity: 0; } }

@media (max-width: 1000px) {
  .home-page .pub-header { grid-template-columns: 1fr; gap: 1.5rem; }
  .home-page .pub-title { font-size: clamp(4rem, 11vw, 7rem); }
  .home-page .pub-tagline { max-width: 48ch; }
  .home-page .pub-credit { margin-top: 0.3rem; }
  .home-page .post-card--lead { gap: 1.8rem; }
  .home-page .post-card--illustrated { gap: 1.8rem; }
}
@media (max-width: 700px) {
  .publication-masthead__title { font-size: clamp(3.2rem, 14vw, 4.5rem); }
  .home-page .pub-title.publication-masthead__title { font-size: clamp(2.8rem, 11.5vw, 4.5rem); }
  .publication-masthead { padding-bottom: 1.4rem; margin-bottom: 1.6rem; }
  .site-nav__inner, .wrap--home, .site-footer { width: calc(100% - 2rem); }
  .site-nav__inner { min-height: 0; flex-wrap: wrap; gap: 0.55rem; padding: 0.85rem 0; }
  .site-nav__links { gap: 0.1rem; }
  .site-nav__links a { padding: 0.35rem 0.65rem; font-size: 0.75rem; }
  .site-nav__links a:last-child { display: none; }
  .wrap--home { padding-top: 1.6rem; }
  .home-page .pub-header { padding: 1rem 0 1.5rem; gap: 1.25rem; }
  .home-page .pub-kicker { margin-bottom: 0.6rem; font-size: 0.67rem; }
  .home-page .pub-title { font-size: clamp(3.2rem, 13.5vw, 5.8rem); }
  .home-page .pub-tagline { max-width: 40ch; font-size: 1rem; }
  .home-page .pub-credit { align-items: center; gap: 0.7rem; }
  .pub-byline { font-size: 0.68rem; }
  .pub-byline > a { display: block; }
  .rss-btn { font-size: 0.68rem; padding: 0.45rem 0.55rem; }
  .rss-btn svg { width: 13px; height: 13px; }
  .home-page .post-list { display: block; }
  .home-page .post-card--illustrated { display: flex; flex-direction: column; align-items: stretch; gap: 1.4rem; }
  .home-page .post-card--lead { display: flex; flex-direction: column; align-items: stretch; gap: 1.4rem; }
  .home-page .post-card--lead h2 { max-width: 25ch; font-size: clamp(1.7rem, 6.5vw, 2.4rem); }
  .home-page .post-card h2 { font-size: 1.35rem; }
  .post-card__read { margin-top: 1rem; }
  .archive-tools { flex-wrap: wrap; gap: 0.5rem; }
  .archive-search { width: 100%; }
  .archive-search kbd { display: none; }
  .publication-paths { grid-template-columns: 1fr; gap: 1.8rem; padding: 1.5rem; margin-top: 2.5rem; }
  .publication-paths > a { position: relative; padding-left: 2.5rem; }
  .path-symbol { position: absolute; top: 0; left: 0; font-size: 1.6rem; }
  .publication-paths h2 { margin-top: 0; }
  .site-footer { flex-direction: column; gap: 1.5rem; }
  .about-projects li { grid-template-columns: 1fr; gap: 0.4rem; }
  .read-card__footer { flex-wrap: wrap; gap: 0.5rem; }
  .reader-sheet { transform: translateY(100%); }
}
@media (prefers-reduced-motion: reduce) {
  .meaning-search { transition: none; transform: none; }
  .nav-indicator, .post-card__image img, .path-symbol, .post-card__read span { transition: none; }
  .post-card__image:hover img, .publication-paths a:hover .path-symbol, .post-card__read:hover span { transform: none; }
}
@media print {
  .site-nav, .site-footer, .archive-tools, .publication-paths, .post-footer-actions { display: none; }
  .wrap { width: 100%; padding: 0; }
  body { color: #000; background: #fff; }
}
@media (prefers-color-scheme: dark) {
  .about-page { --muted: #b6bbc4; --faint: #b6bbc4; --surface: #1c2027; }
}