body[data-lab-route="atlas-motion"] .atlas-motion-page {
  --motion-line: rgba(255, 255, 255, .1);
  --motion-line-hi: rgba(255, 255, 255, .18);
  --motion-surface: rgba(17, 17, 24, .82);
  --motion-amber-soft: rgba(245, 166, 35, .08);
  overflow-x: hidden;
}

body[data-lab-route="atlas-motion"] .atlas-motion-page :where(code) {
  color: var(--text);
  overflow-wrap: anywhere;
}

.atlas-motion-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, .6fr);
  gap: clamp(32px, 7vw, 96px);
  padding: clamp(32px, 5vw, 68px) 0 44px;
  border-bottom: 1px solid var(--border);
}

.atlas-motion-hero__copy,
.atlas-motion-hero__rail,
.atlas-motion-composition,
.atlas-motion-composition__head > *,
.atlas-motion-boundary > * {
  min-width: 0;
}

.atlas-motion-hero h1 {
  max-width: 920px;
  margin-bottom: 20px;
  font-size: clamp(3.5rem, 9vw, 8rem);
  letter-spacing: -.045em;
  line-height: .9;
}

.atlas-motion-hero .lede {
  max-width: 690px;
  font-size: clamp(16px, 1.6vw, 19px);
}

.atlas-motion-hero__rail {
  align-self: end;
  padding: 8px 0 0 24px;
  border-left: 1px solid var(--motion-line-hi);
}

.atlas-motion-rail-label,
.atlas-motion-rail-value,
.atlas-motion-composition-nav,
.atlas-motion-player__chrome,
.atlas-motion-meta,
.atlas-motion-chapters,
.atlas-motion-seek-status,
.atlas-motion-proof summary {
  font-family: var(--mono);
}

.atlas-motion-rail-label {
  margin: 0 0 10px;
  color: var(--text-faint);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.atlas-motion-rail-value {
  margin: 0 0 24px;
  color: var(--text);
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -.04em;
  line-height: 1;
}

.atlas-motion-rail-value span {
  display: block;
  margin-top: 7px;
  color: var(--text-faint);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.atlas-motion-composition-nav {
  display: grid;
  gap: 8px;
}

.atlas-motion-composition-nav a {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  column-gap: 10px;
  align-items: baseline;
  min-height: 56px;
  padding: 10px 12px;
  border: 1px solid var(--motion-line);
  color: var(--text-dim);
  text-decoration: none;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.atlas-motion-composition-nav a:hover,
.atlas-motion-composition-nav a[aria-current="page"] {
  border-color: var(--accent);
  background: var(--motion-amber-soft);
  color: var(--text);
}

.atlas-motion-composition-nav a > span {
  grid-row: span 2;
  color: var(--accent);
  font-size: 10px;
  letter-spacing: .08em;
}

.atlas-motion-composition-nav strong {
  font: 400 17px/1.2 var(--serif);
}

.atlas-motion-composition-nav small {
  color: var(--text-faint);
  font-size: 10px;
  letter-spacing: .04em;
}

.atlas-motion-composition-nav a:focus-visible,
.atlas-motion-chapters a:focus-visible,
.atlas-motion-proof summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.atlas-motion-composition {
  padding-top: 54px;
}

.atlas-motion-composition + .atlas-motion-composition {
  padding-top: 88px;
}

.atlas-motion-composition__head {
  margin-bottom: 24px;
}

.atlas-motion-composition__head h2 {
  margin-bottom: 0;
  font-size: clamp(2.4rem, 5vw, 4.3rem);
  letter-spacing: -.04em;
}

.atlas-motion-composition__head > p {
  align-self: end;
  max-width: 430px;
}

.atlas-motion-player {
  position: relative;
  margin: 0;
  padding: 16px;
  border: 1px solid var(--motion-line-hi);
  background: linear-gradient(145deg, rgba(17, 17, 24, .96), rgba(10, 10, 15, .98));
  box-shadow: 0 22px 80px rgba(0, 0, 0, .32), 0 0 80px var(--motion-amber-soft);
}

.atlas-motion-player__chrome {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 0 2px 12px;
  color: var(--text-faint);
  font-size: 9px;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.atlas-motion-player__chrome span:last-child {
  color: var(--accent);
}

.atlas-motion-player video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #050507;
  border: 1px solid var(--border-hi);
}

.atlas-motion-player figcaption {
  max-width: 780px;
  margin: 14px auto 0;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.7;
}

.atlas-motion-meta {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin: 16px 0 0;
  border: 1px solid var(--motion-line);
  background: var(--motion-surface);
}

.atlas-motion-meta div {
  min-width: 0;
  padding: 14px 16px;
  border-left: 1px solid var(--motion-line);
}

.atlas-motion-meta div:first-child {
  border-left: 0;
}

.atlas-motion-meta dt,
.atlas-motion-record dt {
  margin-bottom: 6px;
  color: var(--text-faint);
  font-size: 9px;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.atlas-motion-meta dd,
.atlas-motion-record dd {
  margin: 0;
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.atlas-motion-meta dd code {
  color: var(--text);
}

.atlas-motion-chapters {
  display: grid;
  grid-template-columns: minmax(220px, .45fr) minmax(0, 1.55fr);
  gap: 24px;
  margin-top: 32px;
  padding: 24px;
  border: 1px solid var(--motion-line);
  background: rgba(17, 17, 24, .5);
}

.atlas-motion-chapters .eyebrow {
  margin-bottom: 10px;
}

.atlas-motion-chapters__hint {
  margin: 0;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.7;
}

.atlas-motion-chapters ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.atlas-motion-chapters li {
  min-width: 0;
}

.atlas-motion-chapters a {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--motion-line);
  color: var(--text-dim);
  font-size: 10px;
  letter-spacing: .03em;
  text-decoration: none;
}

.atlas-motion-chapters a:hover {
  border-color: var(--accent);
  color: var(--text);
}

.atlas-motion-chapters a > span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.atlas-motion-chapters a > :first-child {
  color: var(--accent);
}

.atlas-motion-chapters small {
  color: var(--text-faint);
  font-size: 9px;
}

.atlas-motion-seek-status {
  grid-column: 2;
  min-height: 1.4em;
  margin: 2px 0 0;
  color: var(--accent);
  font-size: 10px;
}

.atlas-motion-boundary {
  display: grid;
  grid-template-columns: minmax(240px, .7fr) minmax(0, 1.3fr);
  gap: 32px;
  margin-top: 40px;
  padding: 26px 28px;
  border: 1px solid rgba(245, 166, 35, .34);
  border-left: 3px solid var(--accent);
  background: linear-gradient(100deg, rgba(245, 166, 35, .1), rgba(17, 17, 24, .7));
}

.atlas-motion-boundary h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
}

.atlas-motion-boundary p,
.atlas-motion-boundary ul {
  margin: 0;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.75;
}

.atlas-motion-boundary ul {
  display: grid;
  gap: 6px;
  margin-top: 12px;
  padding-left: 20px;
}

.atlas-motion-boundary--final {
  margin: 88px 0 0;
  border-left-width: 1px;
  border-top: 2px solid var(--accent);
}

.atlas-motion-transcript {
  margin-top: 58px;
}

.atlas-motion-transcript .section-head {
  margin-bottom: 22px;
}

.atlas-motion-transcript h3 {
  margin-bottom: 0;
  font: 400 clamp(1.8rem, 3.6vw, 3rem)/1.08 var(--serif);
}

.atlas-motion-sequence {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: motion-step;
  border: 1px solid var(--motion-line);
  background: var(--motion-line);
  overflow: hidden;
}

.atlas-motion-sequence li {
  position: relative;
  min-width: 0;
  padding: 20px 24px 20px 70px;
  background: var(--bg-1);
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.8;
}

.atlas-motion-sequence li::before {
  position: absolute;
  top: 20px;
  left: 24px;
  color: var(--accent);
  content: counter(motion-step, decimal-leading-zero);
  counter-increment: motion-step;
  font-size: 11px;
  letter-spacing: .08em;
}

.atlas-motion-sequence strong,
.atlas-motion-record h3 {
  color: var(--text);
}

.atlas-motion-sequence-note,
.atlas-motion-proof-note {
  max-width: 840px;
  margin: 18px 0 0;
  color: var(--text-faint);
  font-size: 12px;
  line-height: 1.7;
}

.atlas-motion-proof {
  margin-top: 36px;
  border-top: 1px solid var(--motion-line);
  border-bottom: 1px solid var(--motion-line);
}

.atlas-motion-proof summary {
  display: flex;
  align-items: center;
  min-width: 44px;
  min-height: 44px;
  padding: 18px 0;
  color: var(--text);
  cursor: pointer;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.atlas-motion-provenance-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 0 0 20px;
}

.atlas-motion-record {
  min-width: 0;
  border: 1px solid var(--motion-line);
  background: var(--motion-surface);
}

.atlas-motion-record h3 {
  margin: 0;
  padding: 18px 18px 14px;
  font-size: 15px;
  font-weight: 500;
}

.atlas-motion-record dl {
  margin: 0;
}

.atlas-motion-record dl > div {
  min-width: 0;
  padding: 14px 18px;
  border-top: 1px solid var(--motion-line);
}

.atlas-motion-record dd {
  font-size: 11px;
}

.atlas-motion-proof-note {
  padding-bottom: 24px;
}

.atlas-motion-noscript {
  width: min(calc(100% - 48px), 1180px);
  margin: 24px auto;
  padding: 16px 20px;
  border: 1px solid var(--border-hi);
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.7;
}

@media (max-width: 1000px) {
  .atlas-motion-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .atlas-motion-meta div:nth-child(4) {
    border-left: 0;
    border-top: 1px solid var(--motion-line);
  }

  .atlas-motion-meta div:nth-child(n + 5) {
    border-top: 1px solid var(--motion-line);
  }

  .atlas-motion-provenance-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .atlas-motion-hero,
  .atlas-motion-boundary,
  .atlas-motion-chapters {
    grid-template-columns: 1fr;
  }

  .atlas-motion-hero__rail {
    padding: 24px 0 0;
    border-top: 1px solid var(--motion-line-hi);
    border-left: 0;
  }

  .atlas-motion-chapters ol {
    grid-template-columns: 1fr;
  }

  .atlas-motion-seek-status {
    grid-column: auto;
  }

  .atlas-motion-boundary {
    gap: 14px;
  }
}

@media (max-width: 620px) {
  .atlas-motion-hero {
    padding-top: 28px;
    padding-bottom: 34px;
  }

  .atlas-motion-hero h1 {
    font-size: clamp(3.25rem, 16vw, 5.2rem);
  }

  .atlas-motion-player {
    padding: 8px;
  }

  .atlas-motion-player__chrome {
    font-size: 8px;
  }

  .atlas-motion-meta,
  .atlas-motion-provenance-grid {
    grid-template-columns: 1fr 1fr;
  }

  .atlas-motion-meta div,
  .atlas-motion-meta div:nth-child(n + 4) {
    border-left: 0;
    border-top: 1px solid var(--motion-line);
  }

  .atlas-motion-meta div:nth-child(-n + 2) {
    border-top: 0;
  }

  .atlas-motion-chapters {
    padding: 18px;
  }

  .atlas-motion-boundary {
    padding: 22px 20px;
  }

  .atlas-motion-sequence li {
    padding: 18px 18px 18px 56px;
  }

  .atlas-motion-sequence li::before {
    top: 18px;
    left: 18px;
  }
}

@media (max-width: 390px) {
  .atlas-motion-meta,
  .atlas-motion-provenance-grid {
    grid-template-columns: 1fr;
  }

  .atlas-motion-meta div,
  .atlas-motion-meta div:nth-child(n + 4),
  .atlas-motion-meta div:nth-child(-n + 2) {
    border-top: 1px solid var(--motion-line);
  }

  .atlas-motion-meta div:first-child {
    border-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  body[data-lab-route="atlas-motion"] *,
  body[data-lab-route="atlas-motion"] *::before,
  body[data-lab-route="atlas-motion"] *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}