/* Quiesce: a research paper set on one clock.
   A sheet of grid paper on a light box. The display face (Martian Mono) ages on one drawn
   scale, frame 0 to 10: width 75 → 112.5, weight 300 → 100. Labels hold the thin, wide setting
   throughout as the constant the change is read against. Prose (Geist) never changes. */

@font-face { font-family: "Martian Mono"; src: url(/assets/fonts/specimen/martian-mono-var.woff2) format("woff2"); font-weight: 100 800; font-stretch: 75% 112.5%; font-display: swap; }
@font-face { font-family: Geist; src: url(/assets/fonts/specimen/geist-var.woff2) format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "qs-mono-fb"; src: local("DejaVu Sans Mono"), local("Menlo"), local("Consolas"), local("Liberation Mono"); size-adjust: 116%; }
@property --qs-kt { syntax: "<number>"; inherits: true; initial-value: 0; }

body.spec-quiesce { background: #E8F2F4; }

.qs-page {
  --qs-bg: #F5FAFB; --qs-ink: #0E1A1F; --qs-ink-2: #4F595D; --qs-ink-3: #616B6E;
  --qs-frame: rgba(14, 26, 31, .18); --qs-rule: rgba(14, 26, 31, .12); --qs-tick: rgba(14, 26, 31, .4);
  --qs-accent: #007A8C; --qs-support: #CDEFF4;
  --qs-grid-minor: rgba(205, 239, 244, .7); --qs-grid-major: rgba(14, 26, 31, .06);
  --qs-s0: #E4F5F8; --qs-s1: #CDEFF4; --qs-s2: #9FC3CB; --qs-s3: #4E6B74;
  --qs-lamp: #E3EEF1; --qs-dark: #0E1A1F; --qs-dark-2: #16262D; --qs-pod: #E6EEF0; --qs-lit: #5CC6D4;
  --qs-mm: "Martian Mono", "qs-mono-fb", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --qs-gs: Geist, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --qs-t-mast: clamp(3.5rem, 1.4rem + 10.667vw, 11rem);
  --qs-t-title: clamp(1.75rem, 1.193rem + 2.286vw, 3.25rem);
  --qs-t-plate: clamp(3.25rem, 2.971rem + 1.143vw, 4rem);
  --qs-t-initial: clamp(4rem, 3.257rem + 3.048vw, 6rem);
  --qs-t-abstract: clamp(1.25rem, 1.157rem + .381vw, 1.5rem);
  --qs-t-lede: clamp(1.0625rem, 1.016rem + .19vw, 1.1875rem);
  --qs-t-body: clamp(1.0625rem, 1.039rem + .095vw, 1.125rem);
  --qs-t-q: clamp(1.3125rem, 1.104rem + .857vw, 1.875rem);
  --qs-t-limits: clamp(1.1875rem, 1.118rem + .286vw, 1.375rem);
  --qs-t-caption: clamp(.875rem, .852rem + .095vw, .9375rem);
  --qs-t-toc: clamp(.8125rem, .789rem + .095vw, .875rem);
  --qs-t-label: clamp(.625rem, .602rem + .095vw, .6875rem);
  --qs-t-h2: clamp(1.375rem, 1.05rem + 1.3333vw, 2.25rem);
  --qs-t-no: clamp(2.5rem, 1.943rem + 2.286vw, 4rem);
  --qs-grow: .035; --qs-ch0: 30; --qs-chk: 1;
  --qs-pad: clamp(16px, 4.2vw, 40px); --qs-gut: 24px; --qs-cols: 12;
  --qs-sec: clamp(5rem, 3.143rem + 7.619vw, 10rem);
  --qs-hand: cubic-bezier(.16, 1, .3, 1);
  color: var(--qs-ink); font: 400 var(--qs-t-body)/1.65 var(--qs-gs); font-synthesis: none;
}
@media (max-width: 1099px) { .qs-page { --qs-cols: 8; } }
@media (max-width: 699px) { .qs-page { --qs-cols: 4; --qs-gut: 16px; --qs-grow: .02; --qs-ch0: 25; --qs-chk: .75; } }

.qs-page *, .qs-page *::before, .qs-page *::after { box-sizing: border-box; }
.qs-page [hidden] { display: none !important; }
.qs-page :where(p, h1, h2, h3, ol, ul, dl, dd, figure, fieldset, legend) { margin: 0; padding: 0; }
.qs-page :where(ol, ul) { list-style: none; }
.qs-page :where(img, canvas, svg) { display: block; max-width: 100%; }
.qs-page a { color: inherit; }
.qs-page :focus-visible { outline: 2px solid var(--qs-accent); outline-offset: 3px; }
.qs-page ::selection { background: var(--qs-support); color: var(--qs-ink); }
.qs-page sup { font: 500 .62em/0 var(--qs-gs); color: var(--qs-accent); vertical-align: .55em; margin-left: .06em; }
.qs-page dfn { font-style: normal; font-weight: 500; }
.qs-page em, .qs-page i { font-style: normal; }
.qs-vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.qs-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* the constant voice: thin, wide, spaced capitals */
.qs-lbl, .qs-fl, .qs-pl, .qs-st, .qs-key, .qs-sl, .qs-pll, .qs-pnl, .qs-pnw, .qs-thirds, .qs-tl, .qs-head-in, .qs-tocb,
.qs-axx, .qs-axy, .qs-qm dt, .qs-qm dd, .qs-rs, .qs-lfn, .qs-lfs, .qs-count, .qs-mnote, .qs-kw, .qs-form label, .qs-form legend, .qs-lofm {
  font-family: var(--qs-mm); font-weight: 300; font-stretch: 112.5%; font-size: var(--qs-t-label);
  line-height: 1.3; letter-spacing: .16em; text-transform: uppercase; color: var(--qs-ink-3);
}
.qs-note { font: 300 12px/1.6 var(--qs-mm); font-stretch: 100%; letter-spacing: .01em; color: var(--qs-ink-2); }
.qs-cap, .qs-live { font-size: var(--qs-t-caption); line-height: 1.55; max-width: 60ch; color: var(--qs-ink-2); }
.qs-cap b { font-weight: 600; color: var(--qs-ink); }
.qs-cap em { color: var(--qs-ink); }
.qs-live { color: var(--qs-ink); min-height: 3.1em; font-variant-numeric: tabular-nums lining-nums; }
.qs-lede { font: 300 var(--qs-t-lede)/1.5 var(--qs-gs); }
.qs-body { max-width: 34em; }

/* live figure words and captions: only while a figure is live */
.qs-js, .qs-js2 { display: none; }
.is-live .qs-js { display: inline; }
.is-live .qs-nojs { display: none; }
.qs-on .qs-js2 { display: inline; }
.qs-on .qs-nojs2 { display: none; }
p.qs-js2 { display: none; }
.qs-on p.qs-js2 { display: block; }

/* ── the sheet ─────────────────────────────────────────────────────────────────────────────── */
.qs-sheet {
  max-width: 1376px; margin-inline: auto; padding-inline: var(--qs-pad);
  background-color: var(--qs-bg);
  background-image:
    linear-gradient(var(--qs-grid-major) 1px, transparent 1px), linear-gradient(90deg, var(--qs-grid-major) 1px, transparent 1px),
    linear-gradient(var(--qs-grid-minor) 1px, transparent 1px), linear-gradient(90deg, var(--qs-grid-minor) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px, 8px 8px, 8px 8px;
  background-origin: content-box;
}
@media (min-width: 1100px) { .qs-sheet { border-inline: 1px solid var(--qs-frame); } }
.qs-hero, .qs-sec { display: grid; grid-template-columns: repeat(var(--qs-cols), minmax(0, 1fr)); column-gap: var(--qs-gut); align-items: start; }

/* ── the running head ──────────────────────────────────────────────────────────────────────── */
.qs-head {
  position: sticky; top: var(--bar-h, 41px); z-index: 800; height: 32px;
  margin-inline: calc(-1 * var(--qs-pad)); padding-inline: var(--qs-pad);
  background: rgb(245, 250, 251); border-bottom: 1px solid var(--qs-rule);
  display: flex; align-items: center; gap: 12px;
}
.qs-head-in { flex: 1; min-width: 0; display: flex; align-items: center; gap: 12px; white-space: nowrap; color: var(--qs-ink-2); }
.qs-hn { color: var(--qs-ink); }
.qs-hd::before, .qs-hs::before { content: "· "; }
.qs-hsp { flex: 1; min-width: 24px; height: 1px; background: linear-gradient(90deg, var(--qs-tick) 1px, transparent 1px) 0 0 / 4px 1px; }
.qs-ht span { font-variant-numeric: tabular-nums; color: var(--qs-ink); }
.qs-mini { display: flex; gap: .2em; font-size: 11px; letter-spacing: 0; color: var(--qs-ink); }
.qs-mini .qs-l { width: .75em; }
.qs-tocb { display: none; }
.qs-toc2 { position: absolute; top: 100%; left: 0; right: 0; background: var(--qs-bg); border-bottom: 1px solid var(--qs-frame); padding: 8px var(--qs-pad) 16px; max-height: calc(100dvh - var(--bar-h, 41px) - 40px); overflow-y: auto; }
.qs-toc2 a { display: flex; gap: 12px; align-items: baseline; padding-block: 11px; border-bottom: 1px solid var(--qs-rule); text-decoration: none; }
.qs-toc2 li:nth-child(1) { --f: 0; } .qs-toc2 li:nth-child(2) { --f: 1; } .qs-toc2 li:nth-child(3) { --f: 2; } .qs-toc2 li:nth-child(4) { --f: 3; }
.qs-toc2 li:nth-child(5) { --f: 4; } .qs-toc2 li:nth-child(6) { --f: 5; } .qs-toc2 li:nth-child(7) { --f: 6; } .qs-toc2 li:nth-child(8) { --f: 7; }
.qs-toc2 li:nth-child(9) { --f: 8; } .qs-toc2 li:nth-child(10) { --f: 9; } .qs-toc2 li:nth-child(11) { --f: 10; }
.qs-toc2 .qs-tq, .qs-toc2 .qs-tn { font-family: var(--qs-mm); font-size: 14px; line-height: 1.35; font-stretch: calc(75% + 3.75% * var(--f)); font-weight: calc(300 - 20 * var(--f)); }
.qs-toc2 .qs-tn { flex: none; width: 2.6em; color: var(--qs-ink-3); }

/* the ten-cell glyph strip: frames passed, the frame now, frames to come */
.qs-g10 { width: 100px; height: 8px; flex: none; overflow: visible; fill: none; stroke: var(--qs-frame); }
.qs-g10 .qs-past { stroke: var(--qs-tick); }
.qs-g10 .qs-now { fill: var(--qs-support); stroke: var(--qs-ink); }

/* ── the title page ────────────────────────────────────────────────────────────────────────── */
.qs-hero { padding-block: 32px 104px; grid-template-rows: auto auto auto auto auto auto 1fr; }
.qs-h1 { grid-column: 1 / -1; grid-row: 1 / 4; display: grid; grid-template-columns: subgrid; grid-template-rows: subgrid; font: inherit; }
/* room under the Q's tail; the first letter's box pulled back so the glyph at F0 starts on the rule's edge */
.qs-mast { grid-column: 1 / 10; grid-row: 1; display: block; white-space: nowrap; font-family: var(--qs-mm); font-size: var(--qs-t-mast); line-height: .8; letter-spacing: 0; padding-block: .06em .14em; margin-left: -.11em; }
.qs-l {
  --s: 0; display: inline-block; width: .75em; text-align: center;
  font-stretch: calc(75% + 37.5% * var(--s)); font-weight: calc(300 - 200 * var(--s));
  transition: font-stretch 720ms steps(6, jump-end), font-weight 720ms steps(6, jump-end), color 120ms;
}
.qs-l.is-rest { color: var(--qs-ink-2); }
.qs-l.is-stain { background: linear-gradient(var(--qs-accent) 0 0) 50% 100% / 100% 2px no-repeat; }
.qs-mast .qs-l.is-stain { background-size: 70% 2px; }
.qs-title { grid-column: 1 / 6; grid-row: 3; display: block; font: 400 var(--qs-t-title)/1.04 var(--qs-gs); letter-spacing: -.015em; padding-bottom: 24px; }
.qs-dict { grid-column: 10 / 13; grid-row: 1; align-self: end; padding-bottom: 4px; }
.qs-def { font: 200 12px/1.6 var(--qs-mm); font-stretch: 100%; color: var(--qs-ink); }
.qs-hw { font-weight: 300; font-stretch: 112.5%; letter-spacing: .04em; margin-right: .5em; }
.qs-pron { color: var(--qs-ink-2); margin-right: .5em; }
.qs-pos { color: var(--qs-ink-2); }
.qs-mnote { margin-top: 12px; font-size: 11px; line-height: 1.5; }
.qs-short { display: none; }
.qs-rule { grid-column: 1 / -1; grid-row: 2; height: 1px; background: var(--qs-ink); margin-block: 16px 24px; }
.qs-sf { grid-column: 1 / 6; grid-row: 4; font: 300 var(--qs-t-lede)/1.5 var(--qs-gs); max-width: 34em; }
.qs-kw { grid-column: 1 / 6; grid-row: 5; margin-top: 24px; color: var(--qs-ink-2); font-stretch: 100%; letter-spacing: .06em; }
.qs-kw .qs-lbl { margin-right: 1.2em; letter-spacing: .16em; font-stretch: 112.5%; }
.qs-links { grid-column: 1 / 6; grid-row: 6; margin-top: 16px; display: flex; flex-wrap: wrap; gap: 4px 28px; }
.qs-a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-weight: 500; text-decoration: none; background: linear-gradient(var(--qs-ink) 0 0) 0 calc(50% + .72em) / 100% 1px no-repeat; transition: background-size 120ms, color 120ms; }
.qs-a:hover { color: var(--qs-accent); background-image: linear-gradient(var(--qs-accent) 0 0); }
.qs-ic { width: 16px; height: 10px; fill: none; stroke: currentColor; stroke-width: 1.25; stroke-linecap: square; }
.qs-f1 { grid-column: 6 / 13; grid-row: 3 / 8; position: relative; }
.qs-f1::before, .qs-f4::before { content: ""; position: absolute; inset: -80px -40px; background: radial-gradient(closest-side, rgba(205, 239, 244, .4), transparent); z-index: 0; pointer-events: none; }
.qs-f1 > *, .qs-f4 > * { position: relative; }

/* figure plates: a frame, registration ticks outside each corner, a label, a state, a scale line */
.qs-plate, .qs-dark, .qs-phf { position: relative; border: 1px solid var(--qs-frame); }
.qs-plate::after, .qs-dark::after, .qs-phf::after, .qs-init::after {
  content: ""; position: absolute; inset: -7px; pointer-events: none; --c: var(--qs-tick);
  background:
    linear-gradient(var(--c) 0 0) 0 0 / 12px 1px, linear-gradient(var(--c) 0 0) 0 0 / 1px 12px,
    linear-gradient(var(--c) 0 0) 100% 0 / 12px 1px, linear-gradient(var(--c) 0 0) 100% 0 / 1px 12px,
    linear-gradient(var(--c) 0 0) 0 100% / 12px 1px, linear-gradient(var(--c) 0 0) 0 100% / 1px 12px,
    linear-gradient(var(--c) 0 0) 100% 100% / 12px 1px, linear-gradient(var(--c) 0 0) 100% 100% / 1px 12px;
  background-repeat: no-repeat;
}
.qs-p1, .qs-p4 {
  aspect-ratio: 746 / 380; overflow: hidden; touch-action: pan-y;
  background-color: #F2F9FA;
  background-image: radial-gradient(closest-side, transparent 70%, rgba(14, 26, 31, .04)),
    linear-gradient(rgba(205, 239, 244, .8) 1px, transparent 1px), linear-gradient(90deg, rgba(205, 239, 244, .8) 1px, transparent 1px);
  background-size: 100% 100%, 8px 8px, 8px 8px;
}
.qs-p1 { cursor: crosshair; }
.qs-p1.qs-smode { touch-action: none; }
.qs-poster, .qs-poster img, .qs-cv { position: absolute; inset: 0; width: 100%; height: 100%; }
.qs-poster img { object-fit: cover; }
.qs-poster.qs-flash img { animation: qs-flash 240ms steps(3, jump-end) forwards; }
@keyframes qs-flash { to { filter: brightness(1.6); } }
.qs-tags { position: absolute; inset: 0; pointer-events: none; display: none; }
.is-live .qs-tags, .qs-f4.is-drawn .qs-tags { display: block; }
.qs-tags li {
  position: absolute; left: 0; top: 0; padding: 1px 3px 0;
  font: 300 11px/1.2 var(--qs-mm); font-stretch: 100%; color: var(--qs-ink); background: rgba(245, 250, 251, .86);
  transform: translate(var(--x, -99px), var(--y, -99px)); transition: transform 100ms linear;
}
.qs-tags li.is-stop { background: var(--qs-ink); color: var(--qs-bg); }
.qs-pl, .qs-st { position: absolute; top: 12px; z-index: 2; padding: 2px 4px; background: rgba(245, 250, 251, .86); color: var(--qs-ink); }
.qs-pl { left: 12px; }
.qs-st { right: 12px; }
.qs-key { position: absolute; left: 12px; bottom: 12px; z-index: 2; display: flex; align-items: center; gap: 0; padding: 6px 8px 6px 6px; background: var(--qs-bg); border: 1px solid var(--qs-frame); color: var(--qs-ink-2); }
.qs-key i { width: 12px; height: 12px; background: var(--qs-s0); border: 1px solid var(--qs-frame); margin-right: -1px; }
.qs-key i:nth-child(2) { background: var(--qs-s1); } .qs-key i:nth-child(3) { background: var(--qs-s2); }
.qs-key i:nth-child(4) { background: var(--qs-s3); margin-right: 10px; }
.qs-sl { position: absolute; right: 12px; bottom: 12px; z-index: 2; display: flex; flex-direction: column; align-items: flex-end; gap: 4px; padding: 4px 6px; background: rgba(245, 250, 251, .86); color: var(--qs-ink-2); }
.qs-sl i { display: block; width: var(--sl, 20px); height: 7px; border-inline: 1px solid var(--qs-ink); background: linear-gradient(var(--qs-ink) 0 0) 0 50% / 100% 1px no-repeat; transition: width 120ms var(--qs-hand); }
.qs-brush { position: absolute; left: 0; top: 0; width: 32px; height: 32px; margin: -16px 0 0 -16px; border: 1px solid var(--qs-accent); border-radius: 50%; pointer-events: none; opacity: 0; transform: translate(var(--bx, 0), var(--by, 0)); }
.qs-p1:hover .qs-brush, .qs-p1.is-drag .qs-brush { opacity: 1; }
@media (hover: none) { .qs-p1:hover .qs-brush { opacity: 0; } .qs-p1.is-drag .qs-brush { opacity: 1; } }

/* the strip, 1b to 1g, and the clock under it */
.qs-strip { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; margin-top: 12px; position: relative; }
.qs-pcv { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.qs-pn {
  position: relative; aspect-ratio: 117 / 68; padding: 0; border: 1px dashed var(--qs-frame); background: transparent;
  color: inherit; font: inherit; cursor: pointer; transition: border-color 120ms;
}
.qs-pn:hover { border-color: var(--qs-accent); }
.qs-pn.is-on { border-style: solid; }
.qs-pn.is-new { border-color: var(--qs-accent); }
.qs-pn.is-ahead .qs-pcv { opacity: .4; }
.qs-pnl { position: absolute; left: 0; bottom: 0; padding: 2px 4px 1px; background: rgba(245, 250, 251, .9); color: var(--qs-ink); letter-spacing: .1em; font-size: 10px; }
.qs-pnw { position: absolute; left: 0; top: 0; padding: 2px 4px 1px; background: rgba(245, 250, 251, .9); color: var(--qs-ink); font-size: 10px; letter-spacing: .1em; }
.qs-pn.is-on .qs-pnw { display: none; }
.qs-pn.is-ahead .qs-pnw { display: block; color: var(--qs-ink-2); }
.qs-clock { position: relative; height: 44px; margin: 8px calc((100% - 40px) / 12) 0; }
.qs-clock input {
  -webkit-appearance: none; appearance: none; position: absolute; left: -8px; right: -8px; top: 0; width: calc(100% + 16px);
  height: 24px; margin: 0; background: transparent; cursor: pointer; z-index: 1;
}
.qs-clock input::-webkit-slider-runnable-track { height: 24px; background: linear-gradient(var(--qs-ink) 0 0) 0 50% / 100% 1px no-repeat; }
.qs-clock input::-moz-range-track { height: 1px; background: var(--qs-ink); }
.qs-clock input::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 24px; border: 0; background: radial-gradient(circle, var(--qs-accent) 5px, transparent 5.5px), linear-gradient(var(--qs-accent) 0 0) 50% 0 / 1px 100% no-repeat; }
.qs-clock input::-moz-range-thumb { width: 11px; height: 11px; border: 0; border-radius: 50%; background: var(--qs-accent); }
.qs-clock input:focus-visible { outline-offset: 0; }
.qs-ticks { position: absolute; left: 0; right: 0; top: 17px; height: 8px; display: flex; justify-content: space-between; pointer-events: none; }
.qs-ticks i { width: 1px; height: 4px; background: var(--qs-ink); margin-top: 2px; }
.qs-ticks i:nth-child(odd) { height: 7px; margin-top: 0; }
.qs-thirds { position: absolute; left: 0; right: 0; top: 28px; height: 14px; pointer-events: none; font-size: 10px; }
.qs-thirds span { position: absolute; transform: translateX(-50%); }
.qs-thirds span:nth-child(1) { left: 20%; } .qs-thirds span:nth-child(2) { left: 50%; } .qs-thirds span:nth-child(3) { left: 80%; }
.qs-thirds span:nth-child(4) { left: 100%; }
.qs-btns { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 8px; }
.qs-hint { margin-left: auto; font-size: var(--qs-t-caption); color: var(--qs-ink-2); }
.qs-smnote { margin-top: 8px; font-size: var(--qs-t-caption); color: var(--qs-ink); }
.qs-f1 .qs-live { margin-top: 12px; }
.qs-f1 .qs-cap { margin-top: 12px; }

/* buttons: square, hairline, a 2px accent line when pressed */
.qs-btn {
  min-height: 44px; padding: 0 16px; border: 1px solid var(--qs-frame); border-radius: 0; background: var(--qs-bg) no-repeat;
  color: var(--qs-ink); font: 300 12px/1.1 var(--qs-mm); font-stretch: 100%; letter-spacing: .08em; text-transform: uppercase;
  cursor: pointer; transition: border-color 120ms;
}
.qs-btn:hover { border-color: var(--qs-accent); }
.qs-btn[aria-pressed="true"] { background-image: linear-gradient(var(--qs-accent) 0 0); background-position: 0 100%; background-size: 100% 2px; }
.qs-touch { display: none; }
@media (pointer: coarse) { .qs-touch { display: inline-block; } .qs-hint { display: none; } }

/* ── numbered sections: § in the margin, the frame label, the question ───────────────────── */
.qs-sec { --qs-kt: var(--qs-k); padding-block: var(--qs-sec); position: relative; }
#qs-abstract { --qs-k: 1; } #qs-intro { --qs-k: 2; } #qs-shape { --qs-k: 3; } #qs-methods { --qs-k: 4; } #qs-results { --qs-k: 5; }
#qs-questions { --qs-k: 6; } #qs-merge { --qs-k: 7; } #qs-limits { --qs-k: 8; } #qs-lab { --qs-k: 9; } #qs-write { --qs-k: 10; }
.qs-sec + .qs-sec { border-top: 1px solid var(--qs-rule); }
.qs-no, .qs-h2, .qs-qn, .qs-init, .qs-h3 { font-family: var(--qs-mm); font-stretch: calc(75% + 3.75% * var(--qs-kt)); font-weight: calc(300 - 20 * var(--qs-kt)); letter-spacing: 0; }
.qs-no { grid-column: 1; grid-row: 1 / span 2; font-size: var(--qs-t-no); line-height: 1; margin-top: -.04em; }
.qs-no::after { content: ""; display: block; width: 24px; height: 2px; margin-top: 12px; background: var(--qs-accent); transform: scaleX(0); transform-origin: 0 50%; }
.qs-sec.is-now .qs-no::after { transform: scaleX(1); }
.qs-fl { grid-column: 2 / 10; grid-row: 1; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; }
.qs-h2 {
  grid-column: 2 / 10; grid-row: 2; margin: 16px 0 40px;
  font-size: calc(var(--qs-t-h2) * (1 + var(--qs-grow) * var(--qs-k)));
  line-height: calc(1.06 + .024 * var(--qs-k));
  max-inline-size: min(100%, calc((var(--qs-ch0) - var(--qs-chk) * var(--qs-k)) * 1ch));
  text-wrap: balance; color: var(--qs-ink);
}
.qs-h3 { font-size: clamp(1rem, .95rem + .2vw, 1.125rem); line-height: 1.3; }

/* §0 · the abstract, the contents, the list of figures */
.qs-abs { grid-column: 2 / 8; }
.qs-absp { font: 300 var(--qs-t-abstract)/1.5 var(--qs-gs); max-width: 38em; }
.qs-init { float: left; position: relative; margin: .28em .5em .1em 0; padding: .1em .16em .04em; border: 1px solid var(--qs-frame); font-size: var(--qs-t-initial); line-height: .86; }
.qs-init small { position: absolute; left: 0; top: calc(100% + 8px); white-space: nowrap; font: 300 10px/1 var(--qs-mm); font-stretch: 112.5%; letter-spacing: .16em; text-transform: uppercase; color: var(--qs-ink-3); }
.qs-not { margin-top: 32px; padding-top: 16px; border-top: 1px solid var(--qs-rule); font: 300 12px/1.6 var(--qs-mm); font-stretch: 100%; color: var(--qs-ink); }
.qs-not .qs-lbl { margin-right: 1.2em; }
.qs-side0 { grid-column: 9 / 13; grid-row: 3; }
.qs-toc ol { margin-top: 12px; border-top: 1px solid var(--qs-ink); }
.qs-toc li:nth-child(1) { --qs-k: 1; } .qs-toc li:nth-child(2) { --qs-k: 2; } .qs-toc li:nth-child(3) { --qs-k: 3; } .qs-toc li:nth-child(4) { --qs-k: 4; }
.qs-toc li:nth-child(5) { --qs-k: 5; } .qs-toc li:nth-child(6) { --qs-k: 6; } .qs-toc li:nth-child(7) { --qs-k: 7; } .qs-toc li:nth-child(8) { --qs-k: 8; }
.qs-toc li:nth-child(9) { --qs-k: 9; } .qs-toc li:nth-child(10) { --qs-k: 10; }
.qs-toc li { --qs-kt: var(--qs-k); border-bottom: 1px solid var(--qs-rule); }
.qs-toc a { display: flex; align-items: flex-end; gap: 10px; padding-block: 9px; text-decoration: none; min-height: 44px; }
.qs-toc .qs-tn, .qs-toc .qs-tq { font-family: var(--qs-mm); font-size: var(--qs-t-toc); line-height: 1.35; font-stretch: calc(75% + 3.75% * var(--qs-kt)); font-weight: calc(300 - 20 * var(--qs-kt)); }
.qs-toc .qs-tn { flex: none; width: 2.2em; color: var(--qs-ink-3); }
.qs-toc .qs-tq { flex: 0 1 auto; }
.qs-ld { flex: 1 1 12px; min-width: 12px; height: 1px; margin-bottom: .36em; background: linear-gradient(90deg, var(--qs-tick) 1px, transparent 1px) 0 0 / 4px 1px; }
.qs-w { flex: none; width: 10px; height: 10px; margin-bottom: .2em; fill: transparent; stroke: var(--qs-ink); stroke-width: 1; overflow: visible; transition: fill 240ms steps(3, jump-end); }
.qs-toc li.is-read .qs-w { fill: var(--qs-support); }
.qs-toc li.is-now .qs-w { stroke: var(--qs-accent); stroke-width: 2; }
.qs-toc a:hover .qs-tq { color: var(--qs-accent); }
.qs-lof { margin-top: 40px; }
.qs-lof ul { margin-top: 12px; border-top: 1px solid var(--qs-ink); }
.qs-lof li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 10px; padding-block: 9px; border-bottom: 1px solid var(--qs-rule); font-size: 15px; line-height: 1.35; }
.qs-lfn { flex: 0 0 6.6em; color: var(--qs-ink); }
.qs-lft { flex: 1 1 8em; }
.qs-lfs { margin-left: auto; text-align: right; color: var(--qs-ink-2); }

/* §1 · prose with sidenotes that share its row, the key, the register */
.qs-cols { grid-column: 2 / 10; display: grid; grid-template-columns: subgrid; row-gap: 24px; position: relative; }
.qs-pr { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; align-items: start; }
.qs-pr > p { grid-column: 1 / 6; max-width: 34em; }
.qs-sn { grid-column: 6 / 9; padding-top: .3em; }
.qs-sn p { font: 400 14px/1.5 var(--qs-gs); color: var(--qs-ink-2); }
.qs-sn p + p { margin-top: 8px; }
.qs-sn .qs-lbl { font: 300 var(--qs-t-label)/1.3 var(--qs-mm); font-stretch: 112.5%; margin-bottom: 8px; }
.qs-sn sup { margin: 0 .3em 0 0; }
.qs-cols::before { content: ""; position: absolute; top: 0; bottom: 0; width: 1px; left: calc((100% - 7 * var(--qs-gut)) / 8 * 5 + 4.5 * var(--qs-gut)); background: var(--qs-rule); }
.qs-cellw { font-family: var(--qs-mm); font-size: .92em; font-stretch: 90%; font-weight: 250; }

.qs-tp { grid-column: 1 / -1; margin-top: 88px; position: relative; padding-top: 40px; border-top: 1px solid var(--qs-rule); }
.qs-tpl { position: static; display: inline-block; margin-bottom: 24px; padding: 0; background: none; }
.qs-tpw { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); column-gap: var(--qs-gut); }
.qs-tpw li { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.qs-tpw li:nth-child(1) { --f: 0; } .qs-tpw li:nth-child(2) { --f: 2; } .qs-tpw li:nth-child(3) { --f: 4; }
.qs-tpw li:nth-child(4) { --f: 6; } .qs-tpw li:nth-child(5) { --f: 8; } .qs-tpw li:nth-child(6) { --f: 10; }
.qs-cw { font-family: var(--qs-mm); font-size: var(--qs-t-plate); line-height: 1; text-transform: uppercase; font-stretch: calc(75% + 3.75% * var(--f)); font-weight: calc(300 - 20 * var(--f)); }
.qs-tl { white-space: nowrap; }
.qs-turn { position: absolute; left: calc(50% - 32px); top: 36px; width: 64px; height: 28px; fill: none; stroke: var(--qs-ink); stroke-width: 1; overflow: visible; }
.qs-turn .qs-dash { stroke-dasharray: 3 3; }
.qs-turn text { fill: var(--qs-ink); stroke: none; font: 300 14px var(--qs-mm); text-anchor: middle; }
.qs-tp .qs-cap { margin-top: 32px; }

.qs-key3 { grid-column: 2 / 13; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px var(--qs-gut); margin-top: 72px; padding-top: 24px; border-top: 1px solid var(--qs-rule); }
.qs-key3 .qs-lbl { margin-bottom: 16px; }
.qs-shapes { width: 100%; max-width: 300px; height: auto; overflow: visible; }
.qs-shapes circle, .qs-shapes ellipse { stroke: var(--qs-tick); stroke-width: 1; }
.qs-sh0 circle { fill: var(--qs-s0); } .qs-sh1 circle { fill: var(--qs-s1); } .qs-sh3 ellipse { fill: var(--qs-s3); }
.qs-shapes .qs-nu { fill: rgba(14, 26, 31, .55); stroke: none; }
.qs-scl { fill: none; stroke: var(--qs-ink); }
.qs-sht text, .qs-sclt { font: 300 8.5px var(--qs-mm); font-stretch: 100%; letter-spacing: .08em; text-transform: uppercase; fill: var(--qs-ink-2); text-anchor: middle; }
.qs-sclt { text-anchor: start; fill: var(--qs-ink-3); }
.qs-sw4 li { display: flex; align-items: center; gap: 12px; padding-block: 6px; font: 300 11px/1.3 var(--qs-mm); font-stretch: 112.5%; letter-spacing: .12em; text-transform: uppercase; color: var(--qs-ink); }
.qs-sw4 i { width: 28px; height: 16px; border: 1px solid var(--qs-frame); background: var(--qs-s0); }
.qs-sw4 li:nth-child(2) i { background: var(--qs-s1); } .qs-sw4 li:nth-child(3) i { background: var(--qs-s2); } .qs-sw4 li:nth-child(4) i { background: var(--qs-s3); }
.qs-k2 .qs-note { margin-top: 16px; }

.qs-reg { grid-column: 2 / 9; margin-top: 72px; }
.qs-regl { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); margin-top: 16px; border-top: 1px solid var(--qs-ink); }
.qs-regl li { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; padding: 12px 0 14px; border-bottom: 1px solid var(--qs-rule); }
.qs-regl .qs-l { font-family: var(--qs-mm); font-size: 40px; line-height: 1; width: .75em; text-align: left; }
.qs-rs { font-size: 10px; letter-spacing: .1em; color: var(--qs-ink-2); }
.qs-reg .qs-note { margin-top: 16px; max-width: 52em; }

/* §2 · the lamp goes down; the darkfield plate */
.qs-s2 { isolation: isolate; }
.qs-s2::before { content: ""; position: absolute; inset: 0 calc(-1 * var(--qs-pad)); z-index: -1; background: rgba(227, 238, 241, .74); }
.qs-f2 { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; align-items: start; margin-top: 56px; }
.qs-dark {
  grid-column: 1 / 9; aspect-ratio: 856 / 600; overflow: hidden; border-color: rgba(92, 198, 212, .3);
  background: radial-gradient(closest-side circle at 50% 46%, var(--qs-dark-2), var(--qs-dark)); color: var(--qs-pod); touch-action: pan-y;
}
.qs-dark::after { --c: var(--qs-lit); }
.qs-dark .qs-cv { cursor: grab; }
.qs-dark .qs-cv:active { cursor: grabbing; }
.qs-dark .qs-cv:focus-visible { outline: 2px solid var(--qs-lit); outline-offset: -4px; }
.qs-dark .qs-pl, .qs-dark .qs-st, .qs-dark .qs-sl { background: rgba(14, 26, 31, .7); color: var(--qs-pod); }
.qs-dark .qs-sl i { border-color: var(--qs-pod); background-image: linear-gradient(var(--qs-pod) 0 0); }
.qs-dark .qs-st { right: 40px; }
/* one turn at the rest focus is .16 of the plate's height: the poster's bar until the script measures it */
.qs-sl2 { right: 40px; --sl: 96px; }
@media (max-width: 1099px) { .qs-sl2 { --sl: calc(11.2vw - 7px); } }
@media (max-width: 699px) { .qs-sl2 { --sl: 18vw; } }
.qs-ruler { position: absolute; top: 0; bottom: 0; right: 24px; width: 1px; background: rgba(92, 198, 212, .45); pointer-events: none; z-index: 1; }
/* a tick at each of the six turns: fractions of the plate taken from the poster, until the script measures them */
.qs-ruler i { position: absolute; left: -5px; top: var(--y); width: 11px; height: 1px; background: var(--qs-lit); transition: top 60ms linear; }
.qs-ruler i:nth-child(1) { --y: 88%; } .qs-ruler i:nth-child(2) { --y: 75.2%; } .qs-ruler i:nth-child(3) { --y: 61.7%; }
.qs-ruler i:nth-child(4) { --y: 47.3%; } .qs-ruler i:nth-child(5) { --y: 32.2%; } .qs-ruler i:nth-child(6) { --y: 16.2%; }
.qs-f2side { grid-column: 9 / 13; display: flex; flex-direction: column; gap: 24px; }
.qs-wheel { aspect-ratio: 1; padding: 12px; background: var(--qs-bg); }
.qs-wheel .qs-pl { position: absolute; }
.qs-wh { width: 100%; height: auto; overflow: visible; }
.qs-wring { fill: none; stroke: var(--qs-rule); }
.qs-wsp { fill: none; stroke: var(--qs-ink); stroke-width: .8; }
.qs-wsc { fill: none; stroke: var(--qs-tick); }
.qs-whb { fill: none; stroke: var(--qs-s2); stroke-dasharray: 2 3; }
.qs-wr circle { fill: var(--qs-bg); stroke: var(--qs-tick); }
.qs-wr text { font: 300 10px var(--qs-mm); font-stretch: 100%; fill: var(--qs-ink); text-anchor: middle; }
.qs-w1 circle { stroke: var(--qs-ink); }
.qs-wh * { transition: stroke 120ms, fill 120ms, opacity 120ms; }
.qs-wheel[data-p] .qs-wh > :not(.qs-wr) { opacity: .25; }
.qs-wheel[data-p] .qs-wr { opacity: .5; }
.qs-wheel[data-p="0"] .qs-wh > .qs-wsp, .qs-wheel[data-p="2"] .qs-wh > .qs-wsc, .qs-wheel[data-p="3"] .qs-wh > .qs-whb, .qs-wheel[data-p="4"] .qs-wh > .qs-wring { opacity: 1; stroke: var(--qs-accent); stroke-width: 1.5; }
.qs-wheel[data-p="1"] .qs-w1 { opacity: 1; }
.qs-wheel[data-p="1"] .qs-w1 circle { fill: var(--qs-accent); stroke: var(--qs-accent); }
.qs-wheel[data-p="1"] .qs-w1 text { fill: var(--qs-bg); }
.qs-parts { display: flex; flex-direction: column; gap: 8px; }
.qs-part { text-align: left; width: 100%; }
.qs-pnote { font: 400 14px/1.5 var(--qs-gs); color: var(--qs-ink); padding: 4px 0 8px 16px; border-left: 1px solid var(--qs-accent); }
.qs-live2 { grid-column: 1 / 9; margin-top: 16px; }
.qs-f2 .qs-cap { grid-column: 1 / 8; margin-top: 8px; }
.qs-f2 .qs-hint { grid-column: 1 / 8; margin: 8px 0 0; }

/* §3 · methods, with plates B and C in the margin beside 3.2 and 3.5 */
.qs-phf { overflow: visible; }
.qs-phf picture, .qs-phf img { width: 100%; height: 100%; object-fit: cover; }
.qs-pll { position: absolute; left: 12px; top: 12px; z-index: 1; padding: 3px 6px 2px; background: var(--qs-bg); color: var(--qs-ink); }
.qs-ph figcaption { margin-top: 12px; font-size: var(--qs-t-caption); line-height: 1.55; color: var(--qs-ink-2); max-width: 60ch; }
.qs-phA { grid-column: 1 / -1; margin-bottom: 56px; }
.qs-phA .qs-phf { aspect-ratio: 1296 / 540; }
.qs-phA img { object-position: 50% 45%; }
.qs-mth { grid-column: 2 / 8; display: flow-root; }
.qs-m { padding-block: 24px 32px; border-top: 1px solid var(--qs-rule); }
.qs-m .qs-h3 { margin-bottom: 12px; }
.qs-mn { color: var(--qs-ink-3); margin-right: .6em; }
.qs-m > p { max-width: 34em; }
.qs-cant { margin-top: 12px; font: 300 12px/1.6 var(--qs-mm); font-stretch: 100%; color: var(--qs-ink); }
.qs-cant .qs-lbl { display: block; margin-bottom: 2px; }
.qs-m .qs-ph { float: right; clear: right; width: calc((100% - 5 * var(--qs-gut)) / 6 * 4 + 3 * var(--qs-gut)); margin-right: calc(-5 * ((100% - 5 * var(--qs-gut)) / 6 + var(--qs-gut))); margin-top: 24px; }
.qs-phB .qs-phf { aspect-ratio: 4 / 5; }
.qs-phB img { object-position: 50% 35%; }
.qs-phC .qs-phf { aspect-ratio: 1; }
#qs-m2 .qs-ph { margin-top: -120px; }
#qs-m5 .qs-ph { margin-top: -160px; }

/* §4 · results: an empty plate */
.qs-r1 { grid-column: 2 / 8; }
.qs-f3 { grid-column: 2 / 12; margin-top: 40px; }
.qs-p3 { height: 520px; background: var(--qs-bg); }
.qs-f3s { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.qs-gpr { fill: url(#qs-gp); }
.qs-gmi { fill: none; stroke: rgba(205, 239, 244, .9); }
.qs-gma { fill: none; stroke: rgba(14, 26, 31, .07); }
.qs-ax { stroke: var(--qs-ink); stroke-width: 1; stroke-dasharray: 1; }
.qs-tk rect { fill: var(--qs-ink); }
.qs-axx, .qs-axy { position: absolute; color: var(--qs-ink); }
.qs-axx { left: 10%; top: calc(82% + 20px); }
/* the up axis's title reads upward in the margin, clear of the ticks and no longer than the axis */
.qs-axy { right: calc(90% + 14px); top: 12%; bottom: 18%; writing-mode: vertical-rl; transform: rotate(180deg); text-align: center; }
.qs-f3 .qs-pl { background: none; }
.qs-sl3 { background: none; }
.qs-f3 .qs-cap { margin-top: 16px; }

/* §5 · questions, the numerals hung in the margin */
.qs-s5 .qs-lede { grid-column: 2 / 8; margin-bottom: 48px; }
.qs-qs { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; }
.qs-qi { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; column-gap: var(--qs-gut); padding-block: 32px 36px; border-top: 1px solid var(--qs-rule); align-items: start; }
.qs-qi:last-child { border-bottom: 1px solid var(--qs-rule); }
.qs-qn { grid-column: 1 / 3; grid-row: 1 / span 2; font-size: clamp(2.25rem, 1.729rem + 2.143vw, 4rem); line-height: .9; }
.qs-qq { grid-column: 3 / 10; font: 400 var(--qs-t-q)/1.25 var(--qs-gs); letter-spacing: -.01em; }
.qs-qw { grid-column: 3 / 10; margin-top: 12px; max-width: 38em; color: var(--qs-ink-2); }
.qs-qm { grid-column: 10 / 13; grid-row: 1 / span 2; text-align: right; display: grid; gap: 14px; padding-top: .5em; }
.qs-qm dt { font-size: 10px; }
.qs-qm dd { margin-top: 3px; color: var(--qs-ink); font-stretch: 100%; letter-spacing: .08em; line-height: 1.45; }

/* §6 · the morning merge */
.qs-f4 { grid-column: 1 / -1; position: relative; }
.qs-p4 { background-color: var(--qs-bg); }
.qs-f4 .qs-tags li { background: rgba(245, 250, 251, .9); }
.qs-tg { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.qs-f4 .qs-cap { margin-top: 16px; color: var(--qs-ink); max-width: 64ch; }
.qs-mp { grid-column: 2 / 8; margin-top: 32px; }

/* §7 · locked off: nothing arrives but the heading's frame */
.qs-lim { grid-column: 2 / 10; border-top: 1px solid var(--qs-ink); }
.qs-lim li { display: flex; gap: .8em; padding-block: 14px; border-bottom: 1px solid var(--qs-rule); font: 400 var(--qs-t-limits)/1.45 var(--qs-gs); }
.qs-lim li::before { content: "—"; color: var(--qs-ink-3); }

/* §8 · the lab: plate D wide, the copy beside plate E */
.qs-phD { grid-column: 1 / -1; margin-bottom: 56px; }
.qs-phD .qs-phf { aspect-ratio: 1296 / 600; }
.qs-phD img { object-position: 50% 55%; }
.qs-phD .qs-phf picture { position: relative; display: block; height: 100%; }
.qs-phD .qs-phf picture::after { content: ""; position: absolute; inset: 0; background: rgba(205, 239, 244, .12); mix-blend-mode: multiply; pointer-events: none; }
.qs-labp { grid-column: 2 / 7; }
.qs-phE { grid-column: 8 / 12; }
.qs-phE .qs-phf { aspect-ratio: 1; }

/* §9 · write: the form in the constant voice, the colophon, the closing masthead */
.qs-wl { grid-column: 2 / 6; }
.qs-form { grid-column: 7 / 13; display: grid; gap: 28px; }
.qs-fd { display: grid; gap: 6px; border: 0; min-width: 0; }
.qs-form label, .qs-form legend { color: var(--qs-ink-2); }
.qs-form input:not([type="radio"]), .qs-form select, .qs-form textarea {
  width: 100%; min-height: 44px; padding: 8px 0; border: 0; border-bottom: 1px solid var(--qs-ink); border-radius: 0; background: transparent;
  color: var(--qs-ink); font: 400 17px/1.4 var(--qs-gs); appearance: none;
}
.qs-form select { background: linear-gradient(45deg, transparent 50%, var(--qs-ink) 50%) calc(100% - 10px) 55% / 5px 5px no-repeat, linear-gradient(-45deg, transparent 50%, var(--qs-ink) 50%) calc(100% - 5px) 55% / 5px 5px no-repeat; padding-right: 24px; }
.qs-form textarea { resize: vertical; min-height: 7.5em; }
.qs-form :is(input, select, textarea):focus-visible { outline: 2px solid var(--qs-accent); outline-offset: 3px; border-color: var(--qs-accent); }
.qs-rad legend { margin-bottom: 8px; }
.qs-rad label { display: flex; align-items: center; gap: 12px; min-height: 44px; font: 400 17px/1.3 var(--qs-gs); letter-spacing: 0; text-transform: none; color: var(--qs-ink); cursor: pointer; }
.qs-rad input { appearance: none; flex: none; width: 16px; height: 16px; margin: 0; border: 1px solid var(--qs-ink); border-radius: 50%; background: var(--qs-bg); }
.qs-rad input:checked { background: radial-gradient(circle, var(--qs-accent) 4px, var(--qs-bg) 4.5px); border-color: var(--qs-accent); }
.qs-count { font-variant-numeric: tabular-nums; }
.qs-err { font: 500 14px/1.4 var(--qs-gs); color: var(--qs-ink); padding-left: 10px; border-left: 2px solid var(--qs-accent); }
.qs-fsend { display: grid; gap: 12px; justify-items: start; }
.qs-send { display: inline-flex; align-items: center; gap: 12px; padding-inline: 20px; }
.qs-status { min-height: 1.5em; font: 500 15px/1.5 var(--qs-gs); }
.qs-fnote { font-size: var(--qs-t-caption); color: var(--qs-ink-2); }
.qs-colo { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; margin-top: 96px; padding-top: 24px; border-top: 1px solid var(--qs-ink); }
.qs-colo .qs-lbl { grid-column: 1 / 3; }
.qs-colo .qs-note { grid-column: 3 / 9; font-size: 11px; }
.qs-lofm { grid-column: 10 / 13; display: grid; gap: 6px; color: var(--qs-ink); letter-spacing: .1em; }
.qs-endm { grid-column: 1 / -1; margin-top: 72px; font: 24px/1 var(--qs-mm); letter-spacing: 0; }
.qs-endm .qs-l { width: .75em; }

/* ── motion: time steps, hands glide, the paper moves forward one frame at a time ─────────── */
@media (prefers-reduced-motion: no-preference) and (min-width: 375px) {
  @supports (animation-timeline: view()) {
    .qs-on .qs-sec { animation: qs-age steps(4, jump-end) both; animation-timeline: view(); animation-range: entry 10% cover 30%; }
  }
  @supports not (animation-timeline: view()) {
    .qs-on .qs-sec:not(.qs-in) { --qs-kt: calc(var(--qs-k) - 1); }
    .qs-on .qs-sec { transition: --qs-kt 480ms steps(4, jump-end); }
  }
}
@keyframes qs-age { from { --qs-kt: calc(var(--qs-k) - 1); } }
@media (prefers-reduced-motion: no-preference) {
  .qs-no::after { transition: transform 560ms steps(6, jump-end); }
  @supports (animation-timeline: view()) {
    .qs-on :is(.qs-pr > p, .qs-absp, .qs-not, .qs-lede, .qs-body, .qs-sf, .qs-m, .qs-qi, .qs-key3 > div, .qs-reg, .qs-tp, .qs-colo, .qs-cap):not(.qs-s7 *) {
      animation: qs-rise steps(4, jump-end) both; animation-timeline: view(); animation-range: entry 0% entry 60%;
    }
    .qs-on .qs-sn { animation: qs-rise steps(4, jump-end) both; animation-timeline: view(); animation-range: entry 12% entry 72%; }
    .qs-on :is(.qs-toc ol, .qs-lof ul, .qs-regl, .qs-lim):not(.qs-s7 *) { animation: qs-draw steps(8, jump-end) both; animation-timeline: view(); animation-range: entry 0% entry 50%; }
    .qs-on .qs-ph img { animation: qs-expose steps(6, jump-end) both; animation-timeline: view(); animation-range: entry 0% entry 70%; }
    .qs-on .qs-s1 .qs-cols::before { animation: qs-furrow steps(8, jump-end) both; animation-timeline: view(); animation-range: entry 0% cover 35%; }
    .qs-on .qs-s1 .qs-pr > p { animation: qs-part-l steps(8, jump-end) both; animation-timeline: view(); animation-range: entry 0% cover 35%; }
    .qs-on .qs-s1 .qs-sn { animation: qs-part-r steps(8, jump-end) both; animation-timeline: view(); animation-range: entry 0% cover 35%; }
    .qs-on .qs-s2::before { animation: qs-lamp linear both; animation-timeline: view(); animation-range: entry 0% exit 100%; }
    .qs-on .qs-ax { animation: qs-axis steps(8, jump-end) both; animation-timeline: view(); animation-range: entry 20% cover 45%; }
    .qs-on .qs-tk rect { animation: qs-tick steps(1, jump-end) both; animation-timeline: view(); animation-range: entry 30% cover 50%; }
    .qs-on .qs-f3 .qs-cap { animation: qs-rise steps(4, jump-end) both; animation-timeline: view(); animation-range: cover 40% cover 55%; }
  }
  @supports not (animation-timeline: view()) {
    .qs-on .qs-rvf:not(.qs-in) { opacity: 0; transform: translateY(6px); }
    .qs-on .qs-rvf { transition: opacity 320ms steps(4, jump-end), transform 320ms steps(4, jump-end); }
  }
}
@keyframes qs-rise { from { opacity: 0; transform: translateY(6px); } }
@keyframes qs-draw { from { border-top-color: transparent; } }
@keyframes qs-expose { from { opacity: 0; filter: brightness(1.8); } to { opacity: 1; filter: none; } }
@keyframes qs-furrow { from { transform: scaleY(0); } }
@keyframes qs-part-l { from { transform: translateX(12px); } }
@keyframes qs-part-r { from { transform: translateX(-12px); } }
@keyframes qs-lamp { 0% { opacity: 0; } 22%, 78% { opacity: 1; } 100% { opacity: 0; } }
@keyframes qs-axis { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
@keyframes qs-tick { from { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  .qs-page *, .qs-page *::before, .qs-page *::after { transition: none !important; animation: none !important; }
}

/* ── 834: eight columns, the hero stacked ───────────────────────────────────────────────────── */
@media (max-width: 1099px) {
  .qs-hero { grid-template-rows: auto auto auto auto auto auto auto; padding-bottom: 88px; }
  .qs-mast { grid-column: 1 / -1; }
  .qs-dict { grid-column: 1 / -1; grid-row: 2; display: grid; grid-template-columns: subgrid; padding: 16px 0 24px; border-bottom: 1px solid var(--qs-ink); margin-bottom: 24px; align-self: stretch; }
  .qs-def { grid-column: 1 / 5; }
  .qs-mnote { grid-column: 5 / -1; margin-top: 0; }
  .qs-rule { display: none; }
  .qs-title { grid-column: 1 / -1; }
  .qs-f1 { grid-column: 1 / -1; grid-row: 4; margin-bottom: 40px; }
  .qs-sf { grid-column: 1 / 6; grid-row: 5; }
  .qs-kw { grid-column: 1 / -1; grid-row: 6; }
  .qs-links { grid-column: 1 / -1; grid-row: 7; }
  .qs-no { grid-column: 1 / 2; grid-row: 1; }
  .qs-fl { grid-column: 2 / -1; grid-row: 1; align-self: center; }
  .qs-h2 { grid-column: 1 / 8; grid-row: 2; }
  .qs-abs { grid-column: 1 / -1; }
  .qs-side0 { grid-column: 1 / 7; grid-row: 4; margin-top: 56px; }
  .qs-cols { grid-column: 1 / -1; }
  .qs-pr > p { grid-column: 1 / 6; }
  .qs-sn { grid-column: 6 / -1; }
  .qs-cols::before { left: calc((100% - 7 * var(--qs-gut)) / 8 * 5 + 4.5 * var(--qs-gut)); }
  .qs-key3 { grid-column: 1 / -1; }
  .qs-reg { grid-column: 1 / -1; }
  .qs-dark { grid-column: 1 / -1; }
  .qs-f2side { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--qs-gut); margin-top: 24px; }
  .qs-live2, .qs-f2 .qs-cap, .qs-f2 .qs-hint { grid-column: 1 / -1; }
  .qs-mth { grid-column: 1 / 5; }
  .qs-m .qs-ph { width: calc((100% - 3 * var(--qs-gut)) / 4 * 3 + 2 * var(--qs-gut)); margin-right: calc(-4 * ((100% - 3 * var(--qs-gut)) / 4 + var(--qs-gut))); }
  .qs-r1, .qs-f3 { grid-column: 1 / -1; }
  .qs-s5 .qs-lede { grid-column: 1 / 7; }
  .qs-qn { grid-column: 1 / 2; }
  .qs-qq, .qs-qw { grid-column: 2 / -1; }
  .qs-qm { grid-column: 2 / -1; grid-row: auto; text-align: left; grid-template-columns: 1fr 1fr; margin-top: 16px; }
  .qs-mp, .qs-labp { grid-column: 1 / 6; }
  .qs-lim { grid-column: 1 / -1; }
  .qs-phE { grid-column: 6 / -1; }
  .qs-wl { grid-column: 1 / -1; margin-bottom: 40px; }
  .qs-form { grid-column: 1 / 7; }
  .qs-colo .qs-lbl { grid-column: 1 / -1; margin-bottom: 12px; }
  .qs-colo .qs-note { grid-column: 1 / 6; }
  .qs-lofm { grid-column: 6 / -1; }
}

/* the running head never runs wide; at 834 it drops the paper's line and the reading time */
.qs-head-in { overflow: hidden; }
.qs-ht { display: none; }
.qs-on .qs-ht { display: inline; }
@media (max-width: 1099px) {
  .qs-hd, .qs-on .qs-ht { display: none; }
}

/* ── 390: designed, not squeezed ────────────────────────────────────────────────────────────── */
@media (max-width: 699px) {
  .qs-head { height: 28px; }
  .qs-head-in { gap: 6px; }
  .qs-hsp { display: none; }
  /* one name in the head on a phone: the live miniature carries it */
  .qs-hn { display: none; }
  .qs-hs::before { content: none; }
  .qs-mini { margin-left: auto; }
  .qs-g10 { width: 60px; height: 4.8px; }
  .qs-head .qs-g10 { width: 60px; }
  .qs-mini { font-size: 10px; gap: 1px; }
  .qs-tocb { display: block; position: relative; margin-right: -8px; min-height: 28px; padding: 0 8px; border: 0; background: none; color: var(--qs-ink); cursor: pointer; font-size: 10px; letter-spacing: .1em; }
  .qs-tocb::after { content: ""; position: absolute; inset: -8px 0; }
  .qs-tocb[aria-expanded="true"] { background: linear-gradient(var(--qs-accent) 0 0) 50% 100% / calc(100% - 16px) 2px no-repeat; }
  .qs-hero { padding-block: 24px 72px; grid-template-rows: repeat(8, auto); }
  .qs-mast { text-align: center; margin-left: 0; }
  .qs-dict { display: contents; }
  .qs-long { display: none; }
  .qs-short { display: inline; }
  .qs-mnote { grid-column: 1 / -1; grid-row: 2; margin: 12px 0 12px; text-align: center; font-size: 10px; }
  .qs-title { grid-row: 3; padding-bottom: 12px; font-size: 28px; line-height: 1.1; }
  .qs-f1 { grid-row: 4; margin-bottom: 32px; }
  .qs-f1::before { inset: -40px -16px; }
  .qs-p1 { aspect-ratio: 358 / 320; }
  .qs-p1 .qs-key { display: none; }
  .qs-strip { gap: 4px; margin-top: 8px; }
  .qs-pn { aspect-ratio: 56 / 48; }
  .qs-pnl { font-size: 10px; letter-spacing: .06em; padding: 1px 3px 0; white-space: nowrap; }
  .qs-pnx { display: none; }
  .qs-pnw { display: none !important; }
  .qs-clock { margin-inline: calc((100% - 20px) / 12); }
  .qs-btns { display: grid; grid-template-columns: 1fr 1fr; }
  .qs-btns .qs-btn { width: 100%; padding-inline: 8px; }
  .qs-sf { grid-column: 1 / -1; grid-row: 5; }
  .qs-def { grid-column: 1 / -1; grid-row: 6; margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--qs-rule); }
  .qs-kw { grid-row: 7; }
  .qs-links { grid-row: 8; }
  .qs-no { grid-column: 1 / 2; font-size: 40px; }
  .qs-fl { grid-column: 2 / -1; gap: 6px 10px; }
  .qs-h2 { grid-column: 1 / -1; margin: 16px 0 32px; }
  .qs-absp { font-size: 20px; }
  .qs-side0 { grid-column: 1 / -1; }
  .qs-cols { grid-template-columns: minmax(0, 1fr); }
  .qs-cols::before { display: none; }
  .qs-pr { display: block; }
  .qs-sn { margin: 16px 0 0 16px; padding: 0 0 0 16px; border-left: 1px solid var(--qs-support); }
  .qs-tp { margin-top: 64px; padding-top: 32px; }
  .qs-tpw { grid-template-columns: auto 1fr; column-gap: 20px; row-gap: 8px; }
  .qs-tpw li { display: contents; }
  .qs-cw { font-size: 52px; text-align: left; }
  .qs-tl { align-self: center; }
  .qs-turn { left: auto; right: 0; top: calc(40px + 3 * 60px); transform: rotate(90deg); }
  .qs-key3 { grid-template-columns: minmax(0, 1fr); margin-top: 56px; }
  .qs-reg { margin-top: 56px; }
  .qs-regl { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .qs-f2 { margin-top: 40px; }
  .qs-dark { margin-inline: calc(-1 * var(--qs-pad)); aspect-ratio: 390 / 440; border-inline: 0; }
  .qs-dark::after { display: none; }
  .qs-f2side { display: flex; flex-direction: column-reverse; gap: 24px; }
  .qs-parts { display: grid; grid-template-columns: 1fr 1fr; }
  .qs-part:nth-of-type(5) { grid-column: 1 / -1; }
  .qs-pnote { grid-column: 1 / -1; order: 9; }
  .qs-wheel { max-width: 358px; }
  .qs-phA .qs-phf { aspect-ratio: 3 / 4; }
  .qs-mth { grid-column: 1 / -1; }
  .qs-m .qs-ph { float: none; width: auto; margin: 24px 0 8px !important; }
  /* one column for the up axis's title: the axis is made long enough and both titles tracked tighter */
  .qs-p3 { height: 384px; }
  .qs-axx, .qs-axy { letter-spacing: .04em; }
  .qs-axy { right: calc(90% + 12px); }
  .qs-sl3 { top: 12px; bottom: auto; }
  .qs-qn { grid-column: 1 / -1; grid-row: auto; margin-bottom: 12px; }
  .qs-qq, .qs-qw, .qs-qm { grid-column: 1 / -1; }
  .qs-qm { grid-template-columns: minmax(0, 1fr); }
  .qs-p4 { aspect-ratio: 358 / 320; }
  .qs-f4 .qs-p4 { margin-inline: calc(-1 * var(--qs-pad)); border-inline: 0; }
  .qs-tg { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .qs-tg .qs-btn { padding-inline: 4px; }
  .qs-mp, .qs-labp, .qs-phE { grid-column: 1 / -1; }
  .qs-phD .qs-phf { aspect-ratio: 3 / 4; }
  .qs-phE { margin-top: 40px; }
  .qs-form { grid-column: 1 / -1; }
  .qs-colo { display: block; }
  .qs-colo .qs-note { margin-top: 12px; }
  .qs-lofm { margin-top: 24px; }
  .qs-endm { font-size: 24px; }
  .qs-hs { display: inline; }
  .qs-hsl { display: none; }
}

/* ── live states ────────────────────────────────────────────────────────────────────────────── */
.qs-cv.qs-wait { visibility: hidden; }
.qs-pn.is-new::after { content: ""; position: absolute; inset: 0; background: var(--qs-bg); pointer-events: none; animation: qs-in3 240ms steps(3, jump-end) forwards; }
@keyframes qs-in3 { to { opacity: 0; } }
.qs-on .qs-pnote:not(.is-on) { display: none; }
.qs-part:disabled { cursor: default; border-color: transparent; padding-left: 0; min-height: 0; padding-block: 8px 0; color: var(--qs-ink); }
/* without script, the name and the register read the poster's seven cells */
@media (scripting: none) {
  .qs-mast .qs-l:nth-child(4), .qs-mini .qs-l:nth-child(4), .qs-endm .qs-l:nth-child(4), .qs-regl li:nth-child(4) .qs-l { --s: .43; }
  .qs-mast .qs-l:nth-child(5), .qs-mini .qs-l:nth-child(5), .qs-endm .qs-l:nth-child(5), .qs-regl li:nth-child(5) .qs-l { --s: 1; }
}
.qs-title > span { display: block; }
.qs-kwi { white-space: nowrap; }
/* the strip and the controls hold their room from the first paint; only the poster-only page collapses them */
@media (scripting: enabled) { .qs-pending { visibility: hidden; } }
@media (scripting: none) { .qs-pending { display: none; } }

/* the page runs to the window's edges: no browser margin around the site */
body.spec-quiesce { margin: 0; }
/* tablets: the six widths of "Cell" in Fig. 1 fit their columns (the widest spilled 3px past 768) */
@media (min-width: 700px) and (max-width: 1099px) { .qs-cw { font-size: min(var(--qs-t-plate), 6.2vw); } }