/* Where the quantum world ends. The institute's screen style: warm paper and ink, Inter at two sizes, small mono labels.
   Colour carries one meaning each: cyan is a held history, its two paths adding; magenta is a contact; green marks what is
   proved, red what is owed, gold a statement of Recognition Science's starting point or a working statement. */
body.wq-body[data-rpi-page] {
  --wq-paper: #faf8f3; --wq-ink: #1d1d1b; --wq-body: #2a2926; --wq-soft: #3c3a36; --wq-hair: #8a8a8a;
  --wq-cyan: #009fe3; --wq-magenta: #e6007e; --wq-cyan-text: #0072b5; --wq-magenta-text: #c4006b;
  --wq-proved: #0b7a3e; --wq-rs: #ffc328; --wq-rs-text: #8a5a00; --wq-open: #c8401f;
  --wq-rule: color-mix(in srgb, var(--wq-ink) 16%, var(--wq-paper));
  --wq-tint: color-mix(in srgb, var(--wq-ink) 4%, var(--wq-paper));
  --wq-display: "Inter Display", "InterVariable", "Inter", -apple-system, "Helvetica Neue", Arial, sans-serif;
  --wq-text: "InterVariable", "Inter", -apple-system, "Helvetica Neue", Arial, sans-serif;
  --wq-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  background: var(--wq-paper); color: var(--wq-body);
}
@media screen and (prefers-color-scheme: dark) {
  body.wq-body[data-rpi-page] {
    --wq-paper: #141413; --wq-ink: #faf8f3; --wq-body: #e9e6df; --wq-soft: #c9c5bc; --wq-hair: #8a8a8a;
    --wq-cyan: #2bb3f0; --wq-magenta: #ff3d9e; --wq-cyan-text: #2bb3f0; --wq-magenta-text: #ff3d9e;
    --wq-proved: #3fb871; --wq-rs-text: #e0a43a; --wq-open: #ff6a3d;
  }
}
html:has(> body.wq-body) { scroll-padding-top: 6rem; }
body.wq-body[data-rpi-page] > .skip { position: absolute; left: -9999px; }
body.wq-body[data-rpi-page] > .skip:focus { left: 1rem; top: 1rem; z-index: 100; padding: .5rem .8rem; background: var(--wq-ink); color: var(--wq-paper); }

.wq-page { width: min(calc(100% - 4rem), 75rem); margin: 0 auto; padding: 0 0 5rem;
  font-family: var(--wq-text); font-weight: 420; line-height: 1.42; font-optical-sizing: auto; }
.wq-page a { color: var(--wq-ink); text-decoration-color: var(--wq-cyan); text-decoration-thickness: 2px; text-underline-offset: .18em; }
.wq-page a:hover { color: var(--wq-cyan-text); }
.wq-page i, .wq-page em { font-style: italic; }
.wq-page sub, .wq-page sup { font-size: .72em; line-height: 0; }
.wq-page b, .wq-page strong { color: var(--wq-ink); font-weight: 650; }
.wq-page :focus-visible { outline: 3px solid var(--wq-cyan-text); outline-offset: 3px; }
/* The site palette draws every focus ring in a dark green, too faint on the dark page: there the ring takes the page's light cyan. */
@media screen and (prefers-color-scheme: dark) {
  body.wq-body[data-rpi-page] .wq-page :is(a, button, input, select, summary):focus-visible { outline-color: var(--wq-cyan-text) !important; }
}
.wq-label { margin: 0 0 1rem; font: 700 .75rem/1.3 var(--wq-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--wq-soft); }
.wq-label a { color: inherit; text-decoration: none; border-bottom: 1px solid var(--wq-hair); }
.wq-label a:hover { color: var(--wq-ink); border-bottom-color: var(--wq-cyan); }
.wq-nw { white-space: nowrap; }
.wq-vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wq-held { color: var(--wq-cyan-text); font-weight: 600; }
.wq-hit { color: var(--wq-magenta-text); font-weight: 600; }

/* Opening: the paradox's name, the one sentence, the experiment running, the one number */
.wq-opening { padding: clamp(1rem, 2vw, 1.5rem) 0 clamp(1.5rem, 3vw, 2.25rem); }
.wq-opening-top { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: clamp(1.5rem, 4vw, 4rem); align-items: end; }
body.wq-body .wq-opening h1 { margin: 0; font-family: var(--wq-display); font-weight: 820;
  font-size: clamp(2.4rem, 4.6vw, 4.3rem); line-height: .94; letter-spacing: -.04em; color: var(--wq-ink); text-wrap: balance;
  text-shadow: 0 0 .5px color-mix(in srgb, var(--wq-ink) 55%, transparent); overflow-wrap: break-word; }
.wq-h1-sub { display: block; margin-top: .35rem; font-size: .5em; font-weight: 760; line-height: 1.02; letter-spacing: -.025em; }
.wq-lede-wrap { min-width: 0; }
.wq-lede { max-width: 34rem; margin: 0; font-size: clamp(1.15rem, 1.6vw, 1.42rem); font-weight: 450; line-height: 1.3;
  letter-spacing: -.008em; color: var(--wq-ink); }
.wq-status { margin: .7rem 0 0; max-width: 36rem; font-size: .9rem; line-height: 1.45; color: var(--wq-soft); }
.wq-status .wq-tag { margin-right: .35em; }
.wq-hero { margin: clamp(1rem, 2vw, 1.4rem) 0 0; }
.wq-hero-cap { margin: .6rem 0 0; font-size: .86rem; line-height: 1.4; color: var(--wq-soft); max-width: 46rem; }
.wq-tag { font: 700 .7rem/1 var(--wq-mono); letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }
.wq-tag--proved { color: var(--wq-proved); }
.wq-tag--owed { color: var(--wq-open); }
.wq-tag--work, .wq-tag--rs { color: var(--wq-rs-text); }

/* The record's words, defined once */
.wq-key { margin-top: clamp(1.75rem, 3.5vw, 2.5rem); padding-top: 1rem; border-top: 3px solid var(--wq-ink); }
.wq-key > .wq-label { margin-bottom: .4rem; }
.wq-key-intro { margin: 0 0 .9rem; max-width: 46rem; font-size: 1.04rem; color: var(--wq-ink); }
.wq-key dl { margin: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 clamp(1rem, 2vw, 1.75rem); }
.wq-key dl > div { padding: .65rem 0 .4rem; border-top: 1px solid var(--wq-rule); }
.wq-key dt { margin: 0 0 .3rem; font: 700 .72rem/1.35 var(--wq-mono); letter-spacing: .13em; text-transform: uppercase; color: var(--wq-ink); }
.wq-key dd { margin: 0; font-size: .98rem; line-height: 1.42; color: var(--wq-body); }

/* The paradox in three lines */
.wq-three { margin-top: clamp(1.5rem, 3vw, 2.25rem); padding-top: 1rem; border-top: 3px solid var(--wq-ink); }
.wq-three > .wq-label { margin-bottom: .5rem; }
.wq-three ol { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 clamp(1rem, 2.5vw, 2rem); }
.wq-three li { margin: 0; padding: .75rem 0 0; border-top: 1px solid var(--wq-rule); }
body.wq-body .wq-three h2 { margin: 0 0 .45rem; font: 700 .74rem/1.35 var(--wq-mono); letter-spacing: .13em; text-transform: uppercase; color: var(--wq-ink); }
body.wq-body .wq-three h2 span { color: var(--wq-soft); margin-right: .6em; }
.wq-three li p { margin: 0 0 .6rem; font-size: 1.04rem; line-height: 1.42; color: var(--wq-ink); }
.wq-three li p.wq-three-more { color: var(--wq-body); }
.wq-toc { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; margin: 1.5rem 0 0; }
.wq-toc a { font: 700 .72rem/1.3 var(--wq-mono); letter-spacing: .12em; text-transform: uppercase; text-decoration: none !important;
  color: var(--wq-ink); border-bottom: 2px solid var(--wq-cyan); padding-bottom: .15rem; }
.wq-toc a span { color: var(--wq-soft); margin-right: .45em; }

/* Text sections: heading left, copy right */
.wq-section { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(2.25rem, 4.5vw, 3.75rem) 0; border-top: 2px solid var(--wq-ink); }
.wq-head { grid-column: 1; }
.wq-copy { grid-column: 2; min-width: 0; }
.wq-wide { grid-column: 1 / -1; min-width: 0; }
body.wq-body .wq-section h2 { margin: 0; max-width: 16ch; text-wrap: balance; font-family: var(--wq-display); font-weight: 780;
  font-size: clamp(1.7rem, 2.8vw, 2.5rem); line-height: 1.05; letter-spacing: -.02em; color: var(--wq-ink); overflow-wrap: break-word; }
.wq-copy > p, .wq-copy > ul, .wq-copy > dl, .wq-copy > ol { max-width: 38rem; }
.wq-copy > p { margin: 0 0 1rem; font-size: 1.12rem; }
.wq-copy > p:last-child { margin-bottom: 0; }
.wq-copy h3 { margin: 1.75rem 0 .6rem; font-family: var(--wq-display); font-weight: 760; font-size: 1.3rem; line-height: 1.15; letter-spacing: -.015em; color: var(--wq-ink); }
.wq-eq { margin: 1.2rem 0 1.3rem !important; padding: .1rem 0 .15rem 1.1rem; border-left: 3px solid var(--wq-cyan);
  font-size: clamp(1.1rem, 1.8vw, 1.32rem) !important; font-weight: 460; line-height: 1.45; color: var(--wq-ink);
  font-variant-numeric: lining-nums; overflow-x: auto; overflow-y: hidden; }
.wq-eq span { white-space: nowrap; }
.wq-list { margin: 0 0 1.25rem; padding: 0; list-style: none; }
.wq-list li { margin: 0; padding: .7rem 0; border-top: 1px solid var(--wq-rule); font-size: 1.06rem; }
.wq-list li:first-child { border-top: 2px solid var(--wq-ink); }
.wq-list li b { display: block; margin-bottom: .15rem; }

.wq-quote { margin: 1.5rem 0; padding: 0 0 0 1.25rem; border-left: 3px solid var(--wq-open); max-width: 40rem; }
.wq-quote blockquote { margin: 0; }
.wq-quote blockquote p { margin: 0 0 .7rem; font-size: 1.08rem; line-height: 1.45; color: var(--wq-ink); }
.wq-quote figcaption { margin-top: .5rem; font-size: .85rem; line-height: 1.4; color: var(--wq-soft); }

/* The experiments, in order */
.wq-tl { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0 clamp(1rem, 2.5vw, 2rem); }
.wq-tl li { margin: 0; padding: .9rem 0 1.4rem; border-top: 2px solid var(--wq-ink); }
.wq-tl p { margin: 0; }
.wq-tl-year { font-family: var(--wq-display); font-weight: 860; font-size: clamp(1.6rem, 2.4vw, 2.1rem); letter-spacing: -.04em;
  line-height: .95; color: var(--wq-ink); font-variant-numeric: tabular-nums lining-nums; }
.wq-tl-who { margin-top: .45rem !important; font: 700 .7rem/1.35 var(--wq-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--wq-soft); }
.wq-tl-what { margin-top: .35rem !important; font-size: 1rem; line-height: 1.38; color: var(--wq-ink); }
.wq-tl-cite { margin-top: .4rem !important; font-size: .8rem; line-height: 1.35; color: var(--wq-soft); }

/* Figures inside sections */
.wq-figure { margin: 1.75rem 0 0; padding: 1.25rem 0 0; border-top: 1px solid var(--wq-rule); }
.wq-figs .wq-figure:first-child { margin-top: 0; }
.wq-figure-head h3 { margin: 0 0 .35rem; font-family: var(--wq-display); font-weight: 780; font-size: clamp(1.25rem, 2vw, 1.6rem);
  line-height: 1.1; letter-spacing: -.02em; color: var(--wq-ink); }
.wq-figure-head p { margin: 0 0 .9rem; max-width: 46rem; font-size: .95rem; color: var(--wq-soft); }

/* Exact conditions folded under the plain account */
.wq-fold { margin: 0 0 1.1rem; max-width: 38rem; border-top: 1px solid var(--wq-rule); border-bottom: 1px solid var(--wq-rule); padding: .55rem 0; }
.wq-fold summary { cursor: pointer; font: 700 .72rem/1.4 var(--wq-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--wq-ink); }
.wq-fold summary:hover { color: var(--wq-cyan-text); }
.wq-fold p { margin: .7rem 0 .2rem; font-size: 1rem; line-height: 1.45; color: var(--wq-body); }
/* The page's words, between the history and the result */
.wq-key--mid { margin-top: 0; padding-bottom: clamp(2rem, 4vw, 3rem); }

/* What it means */
.wq-meaning { padding: clamp(3rem, 6vw, 5rem) 0; border-top: 3px solid var(--wq-ink); }
.wq-meaning-head { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); column-gap: clamp(1.5rem, 4vw, 4rem); align-items: start;
  margin-bottom: clamp(2rem, 4vw, 3rem); }
.wq-meaning-head > .wq-label { grid-column: 1; grid-row: 1; }
body.wq-body .wq-meaning h2 { grid-column: 1; grid-row: 2 / span 2; margin: 0; font-family: var(--wq-display); font-weight: 820;
  font-size: clamp(2.2rem, 3.9vw, 3.6rem); line-height: .96; letter-spacing: -.038em; color: var(--wq-ink); max-width: 13ch; text-wrap: balance;
  text-shadow: 0 0 .5px color-mix(in srgb, var(--wq-ink) 55%, transparent); overflow-wrap: break-word; }
.wq-meaning-lede { grid-column: 2; grid-row: 1 / span 2; margin: 0; max-width: 40rem; font-size: clamp(1.12rem, 1.5vw, 1.3rem); font-weight: 450;
  line-height: 1.36; color: var(--wq-ink); }
.wq-meaning-sub { grid-column: 2; grid-row: 3; margin: 1.1rem 0 0; max-width: 40rem; font-size: 1.04rem; color: var(--wq-body); }
.wq-truths { list-style: none; margin: 0; padding: 0; counter-reset: truth; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(1.5rem, 4vw, 4rem); }
.wq-truths li { margin: 0; padding: 1.1rem 0 1.4rem; border-top: 2px solid var(--wq-ink); }
.wq-truths h3 { margin: 0 0 .5rem; font-family: var(--wq-display); font-weight: 780; font-size: clamp(1.25rem, 1.9vw, 1.55rem); line-height: 1.12;
  letter-spacing: -.02em; color: var(--wq-ink); }
.wq-truths h3::before { counter-increment: truth; content: counter(truth, decimal-leading-zero); display: block; margin-bottom: .4rem;
  font: 700 .72rem/1 var(--wq-mono); letter-spacing: .12em; color: var(--wq-soft); }
.wq-truths p { margin: 0 0 .6rem; font-size: 1.04rem; }
.wq-truths .wq-rests { display: flex; align-items: baseline; gap: .55rem; margin: .7rem 0 0; font-size: .86rem; color: var(--wq-soft); }
.wq-rests::before { content: ""; flex: 0 0 auto; width: .7rem; height: .7rem; transform: translateY(.05rem); border: 2px solid var(--wq-ink); }
.wq-rests--proved::before { background: var(--wq-proved); border-color: var(--wq-proved); }
.wq-rests--rs::before { background: var(--wq-rs); border-color: var(--wq-rs); }
.wq-rests--work::before { background: transparent; border-color: var(--wq-rs-text); }
.wq-rests--owed::before { background: transparent; border-color: var(--wq-open); }

/* Hard questions */
.wq-qa { margin: 0; }
.wq-qa dt { margin: 0; padding-top: 1rem; border-top: 2px solid var(--wq-ink); font-family: var(--wq-display); font-weight: 760;
  font-size: 1.3rem; line-height: 1.2; letter-spacing: -.012em; color: var(--wq-ink); }
.wq-qa dd { margin: .5rem 0 1.6rem; font-size: 1.08rem; }
.wq-qa dd:last-child { margin-bottom: 0; }

/* The paper */
.wq-citation { font-size: 1.12rem; color: var(--wq-ink); }
.wq-records { padding: .8rem 1rem; border: 1px dashed var(--wq-hair); font-size: .98rem !important; color: var(--wq-soft); }
.wq-refs { margin: 1.5rem 0 0; padding: 0 0 0 1.4rem; max-width: 40rem; font-size: .9rem; line-height: 1.45; color: var(--wq-soft); }
.wq-refs li { margin: 0 0 .45rem; }

/* The twelve anomalies, in the paper's order */
.wq-set { padding: 2rem 0 0; border-top: 2px solid var(--wq-ink); }
.wq-set ol { list-style: none; margin: 0; padding: 0; counter-reset: anomaly; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .1rem clamp(1rem, 2.5vw, 2rem); }
.wq-set li { counter-increment: anomaly; display: grid; grid-template-columns: 2rem minmax(0, 1fr); padding: .55rem 0; border-top: 1px solid var(--wq-rule); font-size: .95rem; line-height: 1.3; }
.wq-set li::before { content: counter(anomaly, decimal-leading-zero); font: 700 .7rem/1.7 var(--wq-mono); letter-spacing: .1em; color: var(--wq-soft); }
.wq-set li span { color: var(--wq-soft); }
.wq-set li [aria-current="page"] { color: var(--wq-ink); font-weight: 650; }
.wq-set li:has([aria-current]) { border-top: 2px solid var(--wq-cyan); }

@media (max-width: 60em) {
  .wq-opening-top, .wq-meaning-head { display: block; }
  .wq-lede { margin-top: 1rem; }
  .wq-key dl { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .wq-three ol { grid-template-columns: minmax(0, 1fr); }
  .wq-section { grid-template-columns: minmax(0, 1fr); gap: 1.25rem; }
  .wq-head, .wq-copy, .wq-wide { grid-column: 1; }
  body.wq-body .wq-section h2 { max-width: none; }
  .wq-tl { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  body.wq-body .wq-meaning h2 { max-width: none; margin-bottom: 1.25rem; }
  .wq-meaning-lede, .wq-meaning-sub { max-width: 40rem; }
  .wq-truths { grid-template-columns: minmax(0, 1fr); }
  .wq-set ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 34em) {
  .wq-page { width: calc(100% - 2.25rem); }
  body.wq-body .wq-opening h1 { font-size: 2.35rem; }
  .wq-lede { font-size: 1.12rem; }
  .wq-status { font-size: .82rem; line-height: 1.4; }
  .wq-key dl { grid-template-columns: minmax(0, 1fr); }
  .wq-tl { grid-template-columns: minmax(0, 1fr); }
  .wq-copy > p { font-size: 1.06rem; }
  .wq-set ol { grid-template-columns: minmax(0, 1fr); }
}
@media (forced-colors: active) {
  .wq-rests::before { forced-color-adjust: none; background: CanvasText !important; }
  .wq-records { border-color: CanvasText; }
}
@media print {
  .wq-toc { display: none; }
  .wq-section, .wq-meaning { break-inside: auto; }
  /* In print every section is one column; block flow lets a heading stay with the text after it. */
  .wq-section { display: block; }
  .wq-section > * + * { margin-top: 1.25rem; }
  .wq-head, .wq-meaning-head, .wq-figure-head, .wq-list li b, .wq-qa dt, .wq-truths h3, .wq-key > .wq-label { break-after: avoid; }
  .wq-head, .wq-figure-head, .wq-tl li, .wq-key dl > div, .wq-three li, .wq-truths li { break-inside: avoid; }
  .wq-meaning-head > .wq-label, body.wq-body .wq-meaning h2 { break-after: avoid; }
  .wq-list { break-before: avoid; }
  p, dd, li { orphans: 3; widows: 3; }
}