@font-face {
  font-family: "Instrument Serif";
  src: url("fonts/instrument-serif-latin.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: block;
}

:root {
  --ground: #edeef0;
  --panel: #f8f9fa;
  --panel-2: #ffffff;
  --ink: #14181d;
  --muted: #5a626c;
  --faint: #878f99;
  --dim: rgba(20, 24, 29, 0.3);
  --dim-soft: rgba(20, 24, 29, 0.55);
  --rule: rgba(20, 24, 29, 0.13);
  --rule-2: rgba(20, 24, 29, 0.07);
  --beam: rgba(184, 143, 26, 0.2);
  --accent: #2f7d6e;
  --shadow: 0 1px 2px rgba(20, 24, 29, 0.06), 0 12px 34px rgba(20, 24, 29, 0.1);
  --display: "Instrument Serif", Charter, Georgia, serif;
  --serif: Charter, "Charter BT", "Bitstream Charter", "Sitka Text", Cambria,
    "Palatino Linotype", Palatino, Georgia, serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, "Cascadia Mono",
    "Roboto Mono", monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #0e1116;
    --panel: #161a21;
    --panel-2: #1c212a;
    --ink: #dfe3e8;
    --muted: #8c96a3;
    --faint: #6c7684;
    --dim: rgba(223, 227, 232, 0.26);
    --dim-soft: rgba(223, 227, 232, 0.52);
    --rule: rgba(223, 227, 232, 0.15);
    --rule-2: rgba(223, 227, 232, 0.07);
    --beam: rgba(224, 178, 74, 0.19);
    --accent: #5fbfa9;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 14px 40px rgba(0, 0, 0, 0.5);
  }
}
:root[data-theme="light"] {
  --ground: #edeef0;
  --panel: #f8f9fa;
  --panel-2: #ffffff;
  --ink: #14181d;
  --muted: #5a626c;
  --faint: #878f99;
  --dim: rgba(20, 24, 29, 0.3);
  --dim-soft: rgba(20, 24, 29, 0.55);
  --rule: rgba(20, 24, 29, 0.13);
  --rule-2: rgba(20, 24, 29, 0.07);
  --beam: rgba(184, 143, 26, 0.2);
  --accent: #2f7d6e;
  --shadow: 0 1px 2px rgba(20, 24, 29, 0.06), 0 12px 34px rgba(20, 24, 29, 0.1);
}
:root[data-theme="dark"] {
  --ground: #0e1116;
  --panel: #161a21;
  --panel-2: #1c212a;
  --ink: #dfe3e8;
  --muted: #8c96a3;
  --faint: #6c7684;
  --dim: rgba(223, 227, 232, 0.26);
  --dim-soft: rgba(223, 227, 232, 0.52);
  --rule: rgba(223, 227, 232, 0.15);
  --rule-2: rgba(223, 227, 232, 0.07);
  --beam: rgba(224, 178, 74, 0.19);
  --accent: #5fbfa9;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 14px 40px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 16px;
  scroll-behavior: auto;
  position: relative;
}
::selection {
  background: var(--beam);
}
:root {
  --rail: 420px;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.stage {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(18px, 5vw, 64px);
}
/* wide screens: the evidence rail is permanent furniture, not a panel.
   Reserving body padding keeps the reading column clear of it. */
@media (min-width: 1180px) {
  body {
    padding-right: var(--rail);
  }
}

/* ---------- hero ---------- */
.hero,
#script,
footer {
  margin-inline: auto;
}
.hero {
  max-width: 64ch;
}
@media (min-width: 1180px) {
  /* the statement should not be in the first screenful; you go to it */
  .hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: none;
  }
}
.eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em 1.1em;
  align-items: baseline;
}
.eyebrow b {
  font-weight: 400;
  color: var(--ink);
}

.intro {
  font-size: clamp(1.02rem, 0.96rem + 0.3vw, 1.2rem);
  line-height: 1.55;
  color: var(--dim-soft);
  max-width: 46ch;
  margin: 1.5em auto 0;
  text-align: center;
}
.begin {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin: clamp(30px, 4.5vh, 46px) 0 0;
}
.btn {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--ground);
  border: 0;
  padding: 14px 22px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  transition: opacity 0.18s;
}
.btn:hover {
  opacity: 0.85;
}
.btn.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--rule);
}
.btn.ghost:hover {
  color: var(--ink);
}
.btn svg {
  width: 11px;
  height: 13px;
  fill: currentColor;
  flex: none;
}

/* ---------- transcript ---------- */
/* sized so a single paragraph is about one screenful */
#script {
  padding: clamp(64px, 14vh, 150px) 0 0;
  font-size: clamp(1.42rem, 1.02rem + 1.42vw, 2.32rem);
  max-width: 44ch;
}
.para {
  position: relative;
  font-size: inherit;
  line-height: 1.72;
  margin: 0 0 1.9em;
  letter-spacing: -0.006em;
}
.stamp {
  position: absolute;
  left: -5.6rem;
  top: 0.62em;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--faint);
  letter-spacing: 0.03em;
  font-variant-numeric: tabular-nums;
  background: none;
  border: 0;
  padding: 2px 4px;
  cursor: pointer;
  transition: color 0.16s;
}
.stamp:hover {
  color: var(--ink);
}
.stamp::after {
  content: "";
  position: absolute;
  inset: auto 4px -1px;
  height: 1px;
  background: currentColor;
  opacity: 0;
  transition: opacity 0.16s;
}
.stamp:hover::after {
  opacity: 0.5;
}
/* declared after #script so it wins the cascade: once the rail is
   permanent, the clock gutter needs reserved space rather than overhang */
@media (min-width: 1180px) {
  #script {
    padding-left: 5.9rem;
    max-width: calc(44ch + 5.9rem);
  }
}
@media (max-width: 960px) {
  .stamp {
    position: static;
    display: inline-block;
    margin: 0 0.5em 0 0;
    vertical-align: 0.18em;
  }
}

.w {
  transition: color 0.22s ease, opacity 0.22s ease;
}
/* free reading: full contrast. once the audio drives, unspoken text recedes. */
body.engaged .w {
  color: var(--dim);
}
body.engaged .w.said {
  color: var(--ink);
}
body.reading .w {
  color: var(--dim-soft);
}
body.reading .w.said {
  color: var(--ink);
}

@media (prefers-reduced-motion: reduce) {
  .w {
    transition: none;
  }
}

.claim {
  cursor: pointer;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 1px;
  transition: background 0.18s;
}
.claim:hover,
.claim.open {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}

/* ---------- evidence rail ---------- */
#rail {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(420px, 92vw);
  background: var(--panel);
  border-left: 1px solid var(--rule);
  box-shadow: var(--shadow);
  z-index: 40;
  transform: translateX(101%);
  transition: transform 0.45s cubic-bezier(0.22, 0.8, 0.3, 1);
  display: flex;
  flex-direction: column;
  visibility: hidden;
}
body.rail-open #rail {
  transform: none;
  visibility: visible;
}
@media (min-width: 1180px) {
  #rail {
    width: var(--rail);
    transform: none;
    visibility: visible;
    box-shadow: none;
    transition: none;
  }
  #transport {
    right: var(--rail);
  }
}
/* The rail changes on its own while the audio plays, so the swap has to
   read as one document settling into place — not a hard cut. */
#railBody {
  transition: opacity 0.13s ease;
}
#railBody.swapping {
  opacity: 0;
}
@keyframes exRise {
  from {
    opacity: 0;
    transform: translateY(7px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
#railBody > *,
#railBody .ex > * {
  animation: exRise 0.42s cubic-bezier(0.22, 0.8, 0.3, 1) both;
}
#railBody .ex > *:nth-child(2) {
  animation-delay: 0.045s;
}
#railBody .ex > *:nth-child(3) {
  animation-delay: 0.08s;
}
#railBody .ex > *:nth-child(4) {
  animation-delay: 0.11s;
}
#railBody .ex > *:nth-child(5) {
  animation-delay: 0.14s;
}
#railBody > .src {
  animation-delay: 0.17s;
}
.rail-count {
  transition: opacity 0.2s ease;
}
@media (prefers-reduced-motion: reduce) {
  #railBody,
  .rail-count {
    transition: none;
  }
  #railBody > *,
  #railBody .ex > * {
    animation: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  #rail,
  .stage {
    transition: none;
  }
}
.rail-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--rule-2);
  flex: none;
}
.rail-nav {
  display: flex;
  gap: 2px;
}
.inav {
  background: none;
  border: 1px solid var(--rule);
  color: var(--muted);
  width: 30px;
  height: 28px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1;
}
.inav:hover:not(:disabled) {
  color: var(--ink);
}
.inav:disabled {
  opacity: 0.35;
  cursor: default;
}
.rail-count {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
}
.rail-body {
  padding: 24px 18px 96px;
  overflow-y: auto;
  flex: 1;
  overscroll-behavior: contain;
}

/* ---------- exhibit: the document itself ---------- */
/* Typeset in the visual language of a released government record, never
   as a facsimile of a mail client. Withheld fields show as bars because
   the originals really are redacted. */
.ex {
  margin: 0 0 26px;
  border: 1px solid var(--rule);
  background: var(--panel-2);
}
.ex-kind {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1.5;
  color: var(--faint);
  padding: 9px 14px;
  border-bottom: 1px solid var(--rule-2);
}
.ex-fields {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 14px;
  padding: 13px 14px;
  border-bottom: 1px solid var(--rule-2);
  font-size: 0.83rem;
}
.ex-fields dt {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--faint);
  padding-top: 0.25em;
}
.ex-fields dd {
  margin: 0;
  color: var(--ink);
  line-height: 1.4;
}
.withheld {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--faint);
  font-size: 0.76rem;
}
.withheld i {
  display: block;
  width: 74px;
  height: 0.85em;
  background: var(--ink);
  opacity: 0.72;
}
.ex-cite {
  padding: 13px 14px;
  border-bottom: 1px solid var(--rule-2);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--muted);
}
.ex-body {
  padding: 16px 14px;
  font-size: 0.95rem;
  line-height: 1.6;
}
.ex-body p {
  margin: 0 0 0.85em;
}
.ex-body p:last-child {
  margin-bottom: 0;
}
.ex-turn {
  margin: 0 0 14px;
}
.ex-turn:last-child {
  margin-bottom: 0;
}
.ex-turn b {
  display: block;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 400;
  margin: 0 0 5px;
}
.ex-scan {
  display: block;
  border-bottom: 1px solid var(--rule-2);
  background: #fff;
}
.ex-scan img {
  display: block;
  width: 100%;
  height: auto;
}
.ex-scan:hover {
  opacity: 0.92;
}
.ex-src {
  display: block;
  padding: 11px 14px;
  border-top: 1px solid var(--rule-2);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.16s;
}
.ex-src:hover {
  color: var(--ink);
}
/* claims with nothing to produce */
.src {
  margin: 26px 0 0;
  border-top: 1px solid var(--rule-2);
  padding-top: 16px;
}
.src h4 {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 400;
  margin: 0 0 12px;
}
.src ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 11px;
  counter-reset: s;
}
.src li {
  counter-increment: s;
  display: flex;
  gap: 11px;
  font-size: 0.87rem;
  line-height: 1.45;
}
.src li::before {
  content: counter(s, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--faint);
  flex: none;
  padding-top: 0.18em;
}
.src a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
}
.src a:hover {
  border-bottom-color: currentColor;
}
.src p {
  margin: 0;
  color: var(--muted);
  font-size: 0.87rem;
}
@media (max-width: 1179px) {
  #rail {
    top: auto;
    width: 100%;
    max-height: 76vh;
    border-left: 0;
    border-top: 1px solid var(--rule);
    bottom: var(--tbar, 64px);
    transform: translateY(101%);
  }
  .rail-body {
    padding-bottom: 32px;
  }
}

/* ---------- transport ---------- */
#transport {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--ground) 88%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--rule);
}
.tin {
  max-width: 1180px;
  margin: 0 auto;
  padding: 11px clamp(14px, 4vw, 30px);
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.4vw, 22px);
}
.play {
  background: var(--ink);
  color: var(--ground);
  border: 0;
  width: 42px;
  height: 42px;
  flex: none;
  cursor: pointer;
  display: grid;
  place-items: center;
  border-radius: 50%;
  transition: transform 0.16s;
}
.play:hover {
  transform: scale(1.06);
}
.play svg {
  width: 13px;
  height: 15px;
  fill: currentColor;
}
.time {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  flex: none;
  letter-spacing: 0.02em;
}
.scrub {
  position: relative;
  flex: 1;
  height: 26px;
  cursor: pointer;
  display: flex;
  align-items: center;
  min-width: 60px;
}
.track {
  position: relative;
  height: 3px;
  width: 100%;
  background: var(--rule);
}
.fill {
  position: absolute;
  inset: 0 auto 0 0;
  background: var(--ink);
  width: 0;
}
.knob {
  position: absolute;
  top: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  transform: translate(-50%, -50%);
  left: 0;
}
.ticks {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.tick {
  position: absolute;
  top: 50%;
  width: 2px;
  height: 9px;
  transform: translate(-50%, -50%);
  background: var(--accent);
  opacity: 0.75;
}
.status {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--faint);
  flex: none;
  white-space: nowrap;
}
.resume {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  background: none;
  border: 1px solid var(--rule);
  color: var(--muted);
  padding: 7px 11px;
  cursor: pointer;
  flex: none;
  white-space: nowrap;
}
.resume:hover {
  color: var(--ink);
  border-color: var(--ink);
}
@media (max-width: 700px) {
  .time.total,
  .status {
    display: none;
  }
}

footer {
  padding: clamp(70px, 12vh, 130px) 0 130px;
  max-width: 62ch;
  border-top: 1px solid var(--rule);
  margin-top: clamp(60px, 10vh, 110px);
}
footer h3 {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 400;
  margin: 0 0 16px;
}
footer p {
  font-size: 0.93rem;
  line-height: 1.65;
  color: var(--dim-soft);
  margin: 0 0 1em;
}
footer a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
}
footer a:hover {
  border-bottom-color: currentColor;
}
.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- mobile reader ----------
   Below the breakpoint there is no room for two columns side by side, so the
   statement becomes one sentence at a time in the upper half, sized to fill it,
   with the evidence permanently open underneath. Nothing scrolls. */
#reader {
  display: none;
}
@media (max-width: 1179px) {
  .stage,
  #transport .time.total {
    display: none;
  }
  #reader {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 46dvh;
    background: var(--ground);
    z-index: 30;
  }
  .reader-stage {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 18px 20px 4px;
    overflow: hidden;
  }
  .reader-text {
    margin: 0;
    width: 100%;
    letter-spacing: -0.006em;
  }
  .reader-nav {
    flex: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    padding: 6px 20px 10px;
  }
  .unav {
    background: none;
    border: 1px solid var(--rule);
    color: var(--muted);
    width: 40px;
    height: 30px;
    cursor: pointer;
    font-family: var(--mono);
    font-size: 0.82rem;
    line-height: 1;
  }
  .unav:disabled {
    opacity: 0.3;
  }
  .unit-count {
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    color: var(--faint);
    font-variant-numeric: tabular-nums;
    min-width: 8ch;
    text-align: center;
  }
  /* the rail stops being a sheet and becomes the lower half */
  #rail {
    top: 46dvh;
    bottom: 64px;
    width: 100%;
    max-height: none;
    transform: none;
    visibility: visible;
    border-left: 0;
    border-top: 1px solid var(--rule);
    box-shadow: none;
  }
  .rail-body {
    padding-bottom: 24px;
  }
}

/* On a phone the lower half is only ~330px. Strip the rail's chrome — the
   sentence above already says which claim this is — and let the document run
   edge to edge instead of sitting inside a card inside a padded panel. */
@media (max-width: 1179px) {
  .rail-top {
    display: none;
  }
  .rail-body {
    padding: 0 0 20px;
  }
  .ex {
    margin: 0;
    border: 0;
    border-bottom: 1px solid var(--rule-2);
  }
  .src {
    margin: 20px 0 0;
    padding: 14px 16px 0;
  }
}

/* A document the committee holds and has not released. Where a scan would be,
   the shape of the thing that is missing — the same bars used for a redacted
   field, at the size of a page. */
.ex-sealed {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 22px 16px;
  border-bottom: 1px solid var(--rule-2);
  background: repeating-linear-gradient(
    135deg,
    transparent,
    transparent 9px,
    var(--rule-2) 9px,
    var(--rule-2) 18px
  );
}
.ex-sealed i {
  display: block;
  height: 13px;
  background: var(--ink);
  opacity: 0.66;
}
.ex-sealed i:nth-child(1) {
  width: 88%;
}
.ex-sealed i:nth-child(2) {
  width: 62%;
}
.ex-sealed i:nth-child(3) {
  width: 94%;
}
.ex-sealed i:nth-child(4) {
  width: 71%;
}
.ex-sealed i:nth-child(5) {
  width: 34%;
}
.ex.withheld .ex-kind {
  color: var(--ink);
}

/* Passages with no document show whoever the sentence is about. Same frame as
   an exhibit so the rail does not lurch between two visual languages. */
.ex.still {
  background: none;
}
.still-img {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: 1px solid var(--rule-2);
}
.still-cap {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 14px 16px;
}
.still-cap b {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.still-cap span {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--faint);
}
.still-cap em {
  font-style: normal;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--dim-soft);
  margin-top: 4px;
}
@media (max-width: 1179px) {
  .ex.still {
    border-bottom: 0;
  }
}

/* ---------- opening state ----------
   Before the statement starts, the main area says what this is and the rail
   says what it is for, rather than pre-empting the first claim. */
/* visible by default so the heading is real to a crawler that never runs the
   script; the opening state is what hides it once you are into the statement */
#lede {
  margin: 26px 0 0;
}
/* held back until measured, so the size lands once rather than settling */
.js #lede {
  opacity: 0;
}
.js #lede.ready {
  opacity: 1;
  transition: opacity 0.25s ease;
}
@media (prefers-reduced-motion: reduce) {
  .js #lede.ready {
    transition: none;
  }
}
body:not(.at-intro) #lede {
  display: none;
}
.lede-head {
  font-family: var(--display);
  font-size: 3rem; /* the fitter replaces this once the face has loaded */
  line-height: 0.98;
  font-weight: 400;
  letter-spacing: -0.015em;
  margin: 0 0 0.3em;
  white-space: nowrap;
}
.lede-sub {
  font-size: 1rem;
  line-height: 1.34;
  color: var(--muted);
  margin: 0;
  text-wrap: pretty;
}

.ex-blank {
  border: 0;
  background: none;
  padding: 20px 16px;
}
.ex-blank p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--dim-soft);
  max-width: 42ch;
}
.blank-hint {
  display: none;
  align-items: center;
  gap: 10px;
  margin-top: auto !important;
  padding-top: 24px;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint) !important;
}
.blank-hint svg {
  flex: none;
  width: 13px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 1.6;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  animation: hintNudge 2s ease-in-out infinite;
}
@keyframes hintNudge {
  0%,
  70%,
  100% {
    transform: translateY(0);
    opacity: 0.55;
  }
  35% {
    transform: translateY(3px);
    opacity: 1;
  }
}
@media (prefers-reduced-motion: reduce) {
  .blank-hint span {
    animation: none;
  }
}

@media (max-width: 1179px) {
  body.at-intro .reader-intro {
    display: block;
  }
  /* the opening panel fills the lower half so the hint can sit at its foot */
  body.at-intro #railBody {
    display: flex;
    flex-direction: column;
  }
  body.at-intro .ex-blank {
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .blank-hint {
    display: flex;
  }
  /* on the opening card the play button says what it does */
  body.at-intro .play-u {
    flex: 1;
    width: auto;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
  }
  body.at-intro .pu-label {
    display: inline;
  }
  /* the counter reserves 8ch even when empty, which the button should have */
  body.at-intro .unit-count {
    display: none;
  }
  body.at-intro #readerText {
    display: none;
  }
  /* the strip at the foot of the screen goes; play sits with the arrows */
  #transport {
    display: none;
  }
  #rail {
    bottom: 0;
  }
  .play-u {
    background: var(--ink);
    border-color: var(--ink);
    display: grid;
    place-items: center;
  }
  .play-u svg {
    width: 11px;
    height: 13px;
    fill: var(--ground);
  }
}

@media (max-width: 1179px) {
  body.at-intro #lede {
    margin: 0;
    max-width: none;
  }
}

.pu-label {
  display: none;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ground);
  white-space: nowrap;
}

/* ---------- colophon ----------
   Sits at the foot of the page on desktop; on mobile there is no foot to sit
   at, so it becomes the card after the last sentence. */
.colophon {
  margin: 44px 0 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  line-height: 1.9;
  color: var(--faint);
  text-transform: uppercase;
}
.colophon p {
  margin: 0;
}
.colophon a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
}
.colophon a:hover {
  color: var(--ink);
  border-bottom-color: currentColor;
}
.reader-end {
  display: none;
}
@media (max-width: 1179px) {
  body.at-end .reader-end {
    display: block;
  }
  body.at-end #readerText {
    display: none;
  }
  body.at-end .colophon {
    margin: 0;
    font-size: 0.74rem;
  }
}