:root {
  color-scheme: light;
  --paper: #ffffff;
  --ink: #0b1628;
  --ink-2: #142238;
  --muted: #596579;
  --quiet: #667386;
  --line: #dbe2ea;
  --line-strong: #bac5d2;
  --soft: #f3f6f9;
  --soft-blue: #eef3ff;
  --blue: #2f5ed7;
  --blue-deep: #1c43a5;
  --cyan: #0b8e98;
  --orange: #ed6a2c;
  --orange-text: #a94316;
  --green-text: #2f775d;
  --dark: #091321;
  --dark-line: #28374a;
  --dark-text: #d9e4ef;
  --radius: 14px;
  --shell: min(1180px, calc(100vw - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  scrollbar-gutter: stable;
}

html.intro-scroll-locked,
html.intro-scroll-locked body {
  overflow: hidden;
  overscroll-behavior: none;
}

html.intro-scroll-locked .hero-motion-stage {
  touch-action: none;
}

html.has-entry-target .hero-motion-stage,
html.has-entry-target .hero-ball-inspector,
html.has-entry-target .hero-entry-controls {
  visibility: hidden;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img,
video {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-underline-offset: 0.2em;
}

strong {
  font-weight: 670;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 40;
  top: 0;
  border-bottom: 1px solid rgba(219, 226, 234, 0.86);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
}

.nav-wrap {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0;
  text-decoration: none;
}

.wordmark-mark {
  width: 29px;
  height: 18px;
  flex: none;
  overflow: visible;
}

.wordmark-trajectory {
  fill: none;
  stroke: var(--blue);
  stroke-linecap: round;
  stroke-width: 1.8;
}

.wordmark-ball {
  fill: var(--orange);
}

.wordmark-marker {
  fill: #e1e5e9;
  opacity: 0.9;
}

.wordmark-desktop {
  display: inline-flex;
  align-items: baseline;
  gap: 0.43em;
  white-space: nowrap;
}

.wordmark-person {
  font-weight: 650;
  letter-spacing: 0.015em;
}

.wordmark-separator {
  color: #9aa7b8;
  font-weight: 400;
}

.wordmark-project {
  font-size: 0.94em;
  font-weight: 760;
  letter-spacing: 0.1em;
}

.wordmark-mobile {
  display: none;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.075em;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  margin-left: auto;
  gap: clamp(16px, 3vw, 34px);
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 620;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--blue);
}

.nav-intro {
  appearance: none;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 5px;
  min-height: 44px;
  padding: 8px 0 8px 18px;
  border: 0;
  border-left: 1px solid var(--line);
  background: transparent;
  color: var(--quiet);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
}

.nav-intro[hidden] {
  display: none;
}

.nav-intro svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-linejoin: round;
  stroke-width: 1.3;
}

.nav-intro:hover,
.nav-intro:focus-visible {
  color: var(--blue);
}

.nav-intro:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
  border-radius: 2px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, 0.92fr);
  column-gap: clamp(40px, 5vw, 72px);
  row-gap: clamp(30px, 4vw, 46px);
  align-items: start;
  min-height: calc(100svh - 69px);
  padding-block: clamp(56px, 7.5vh, 88px) 62px;
}

.hero-intro {
  grid-column: 1;
  grid-row: 1;
}

.hero-details {
  display: grid;
  grid-column: 1 / -1;
  grid-row: 2;
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, 0.92fr);
  column-gap: clamp(40px, 5vw, 72px);
  align-items: start;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.15em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.questions-intro h2 {
  margin: 0;
  font-weight: 660;
  letter-spacing: -0.048em;
}

.hero h1 {
  max-width: 780px;
  font-size: clamp(2.9rem, 4.7vw, 5rem);
  line-height: 0.94;
}

.hero-deck {
  max-width: 660px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1.12rem, 1.8vw, 1.42rem);
  line-height: 1.45;
}

.identity {
  display: grid;
  grid-template-columns: minmax(190px, 0.8fr) 1.2fr;
  max-width: 660px;
  margin-top: 0;
  padding-top: 17px;
  border-top: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.identity p {
  margin: 0;
}

.identity .identity-name {
  color: var(--ink);
  font-weight: 700;
}

.hero-summary {
  max-width: 700px;
  margin: 22px 0 0;
  color: var(--ink-2);
  font-size: 1.02rem;
}

.contribution-snapshot {
  display: grid;
  max-width: 760px;
  grid-template-columns: 0.9fr 0.9fr 0.9fr 1.3fr;
  margin: 22px 0 0;
  border-block: 1px solid var(--line-strong);
}

.contribution-snapshot div {
  min-width: 0;
  padding: 16px 14px 17px 0;
}

.contribution-snapshot div + div {
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.contribution-snapshot dt,
.contribution-snapshot dd {
  margin: 0;
}

.contribution-snapshot dt {
  color: var(--blue-deep);
  font-size: 1.35rem;
  font-weight: 720;
  letter-spacing: -0.025em;
  line-height: 1;
}

.contribution-snapshot dd {
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 650;
  line-height: 1.45;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 0;
}

.hero-detail-actions {
  padding-top: 17px;
  border-top: 1px solid var(--line-strong);
}

.hero-detail-actions .contribution-snapshot {
  max-width: none;
  grid-template-columns: 1fr 1fr;
}

.hero-detail-actions .contribution-snapshot div:nth-child(3) {
  padding-left: 0;
  border-top: 1px solid var(--line);
  border-left: 0;
}

.hero-detail-actions .contribution-snapshot div:nth-child(4) {
  border-top: 1px solid var(--line);
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: #fff;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 680;
  line-height: 1;
  text-decoration: none;
  transition: border-color 140ms ease, color 140ms ease, background 140ms ease;
}

.button:hover,
.button:focus-visible {
  border-color: var(--blue);
  color: var(--blue);
}

.button-primary {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.button-primary:hover,
.button-primary:focus-visible {
  border-color: var(--blue-deep);
  background: var(--blue-deep);
  color: #fff;
}

.hero-visual {
  grid-column: 2;
  grid-row: 1;
  align-self: start;
  margin: clamp(62px, 7vh, 78px) 0 0;
  display: grid;
  gap: 24px;
}

.hero-figure {
  margin: 0;
}

.hero-figure::before {
  content: none;
}

.hero-media-frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0d1420;
}

.hero-media-frame video {
  width: 100%;
  height: 100%;
  min-height: 0;
  max-width: none;
  object-fit: cover;
  object-position: center;
}

.hero-motion-stage {
  position: fixed;
  z-index: 80;
  inset: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 76% 16%, rgba(47, 94, 215, 0.06), transparent 36%),
    linear-gradient(155deg, #ffffff, #f6f8fb);
  opacity: 1;
  touch-action: pan-y;
  transition: opacity 760ms cubic-bezier(0.22, 1, 0.36, 1), visibility 760ms;
}

.hero-motion-stage::after {
  position: absolute;
  inset: clamp(14px, 1.8vw, 28px);
  border: 1px solid rgba(186, 197, 210, 0.34);
  content: "";
  pointer-events: none;
}

.hero-motion-stage.is-complete {
  visibility: hidden;
  opacity: 0;
}

.hero-motion-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.hero-motion-owner {
  position: absolute;
  z-index: 2;
  top: clamp(30px, 4vh, 48px);
  left: clamp(34px, 4vw, 64px);
  margin: 0;
  color: rgba(20, 34, 56, 0.72);
  font-size: 0.75rem;
  font-weight: 720;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero-motion-title {
  position: absolute;
  z-index: 1;
  top: clamp(34px, 5.5vh, 68px);
  left: 50%;
  width: min(92vw, 1040px);
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 14px);
  transition: opacity 620ms ease, transform 760ms cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-title-word {
  width: fit-content;
  margin-inline: auto;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #09111f;
  font-size: clamp(5.8rem, 12vw, 10.5rem);
  font-weight: 760;
  letter-spacing: -0.035em;
  line-height: 0.9;
}

.hero-title-descriptor {
  max-width: 40rem;
  margin: 0.55rem auto 0;
  color: rgba(11, 22, 40, 0.78);
  font-size: clamp(0.72rem, 0.9vw, 0.9rem);
  font-weight: 680;
  letter-spacing: 0.16em;
  line-height: 1.45;
  text-transform: uppercase;
  text-wrap: balance;
}

.hero-motion-stage.is-title-visible .hero-motion-title {
  opacity: 1;
  transform: translate(-50%, 0);
}

.hero-telemetry {
  position: absolute;
  z-index: 2;
  bottom: clamp(72px, 9vh, 106px);
  left: clamp(24px, 3.5vw, 58px);
  width: min(440px, calc(100vw - 48px));
  padding: 12px 14px 13px;
  border: 1px solid rgba(123, 146, 138, 0.22);
  border-left: 2px solid rgba(72, 166, 128, 0.62);
  background: rgba(255, 255, 255, 0.58);
  backdrop-filter: blur(10px);
  color: rgba(11, 22, 40, 0.72);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.015em;
  line-height: 1.25;
  opacity: 0;
  pointer-events: none;
  transform: translateY(7px);
  transition: opacity 500ms ease 180ms, transform 620ms cubic-bezier(0.22, 1, 0.36, 1) 180ms;
}

.hero-motion-stage.is-tracking-visible .hero-telemetry {
  opacity: 1;
  transform: translateY(0);
}

.hero-telemetry-heading,
.hero-telemetry-row {
  display: grid;
  align-items: baseline;
}

.hero-telemetry-heading {
  grid-template-columns: 1fr auto;
  gap: 14px;
  color: rgba(11, 22, 40, 0.88);
  font-weight: 700;
  letter-spacing: 0.065em;
  text-transform: uppercase;
}

.hero-telemetry-mode {
  color: var(--green-text);
  font-size: 0.75rem;
  font-weight: 680;
}

.hero-telemetry-frame {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.hero-telemetry-row {
  grid-template-columns: 72px repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid rgba(123, 146, 138, 0.16);
}

.hero-telemetry-quaternion {
  grid-template-columns: 72px repeat(4, minmax(0, 1fr));
  margin-top: 7px;
  padding-top: 7px;
}

.hero-telemetry-label {
  color: var(--green-text);
  font-weight: 760;
}

.hero-pose-value {
  display: flex;
  min-width: 0;
  align-items: baseline;
  gap: 5px;
  white-space: nowrap;
}

.hero-pose-value b {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 650;
  text-transform: uppercase;
}

.hero-pose-value output {
  color: rgba(11, 22, 40, 0.9);
}

.hero-ball-inspector {
  position: fixed;
  z-index: 85;
  right: clamp(24px, 3.5vw, 58px);
  bottom: clamp(72px, 9vh, 106px);
  display: grid;
  width: min(390px, calc(100vw - 48px));
  grid-template-columns: 142px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  padding: 12px 14px 13px 12px;
  border: 1px solid rgba(186, 197, 210, 0.58);
  border-right: 2px solid rgba(237, 106, 44, 0.68);
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(10px);
  color: rgba(11, 22, 40, 0.74);
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(9px);
  transition:
    opacity 520ms ease 220ms,
    transform 680ms cubic-bezier(0.22, 1, 0.36, 1) 220ms,
    visibility 0s linear 900ms;
  user-select: none;
}

.hero-ball-inspector.is-visible {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  transition-delay: 220ms, 220ms, 0s;
}

.hero-ball-inspector.is-hidden {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(5px);
  transition-delay: 0s, 0s, 520ms;
}

.hero-ball-inspector-viewport {
  position: relative;
  width: 142px;
  aspect-ratio: 1;
}

.hero-ball-inspector-canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
  outline: none;
  touch-action: none;
}

.hero-ball-inspector-canvas:focus-visible {
  border-radius: 8px;
  outline: 2px solid rgba(47, 94, 215, 0.65);
  outline-offset: 2px;
}

.hero-ball-inspector-canvas.is-dragging {
  cursor: grabbing;
}

.hero-ball-inspector-hint {
  position: absolute;
  pointer-events: none;
  right: 0;
  bottom: 1px;
  left: 0;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.055em;
  text-align: center;
  text-transform: uppercase;
}

.hero-ball-inspector-copy {
  min-width: 0;
}

.hero-ball-inspector-copy p {
  margin: 0;
}

.hero-ball-inspector-name {
  color: rgba(11, 22, 40, 0.92);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-ball-inspector-spec {
  margin-top: 5px !important;
  color: var(--green-text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.75rem;
  font-weight: 680;
  line-height: 1.45;
}

.hero-ball-inspector-note {
  margin-top: 8px !important;
  color: rgba(20, 34, 56, 0.7);
  font-size: 0.75rem;
  line-height: 1.45;
}

.hero-scroll-cue {
  appearance: none;
  position: fixed;
  z-index: 90;
  bottom: clamp(18px, 3.5vh, 34px);
  left: 50%;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  max-width: calc(100% - 32px);
  padding: 8px 12px 8px 14px;
  border: 1px solid rgba(186, 197, 210, 0.88);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 28px rgba(11, 22, 40, 0.1);
  color: var(--ink-2);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  user-select: none;
  transform: translate(-50%, 9px);
  transition: opacity 360ms ease, transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-scroll-cue.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.hero-scroll-cue.is-visible:hover {
  border-color: rgba(72, 166, 128, 0.64);
  box-shadow: 0 10px 30px rgba(11, 22, 40, 0.13);
}

.hero-scroll-cue:focus-visible {
  outline: 2px solid rgba(47, 94, 215, 0.72);
  outline-offset: 3px;
}

.hero-scroll-cue.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 5px);
}

.hero-scroll-arrow {
  color: var(--orange);
  font-size: 0.9rem;
  line-height: 0.8;
}

.hero-entry-controls {
  display: contents;
}

.hero-entry-label-short {
  display: none;
}

.hero-replay {
  appearance: none;
  position: fixed;
  z-index: 90;
  right: clamp(24px, 3.5vw, 58px);
  bottom: clamp(18px, 3.5vh, 34px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 650;
  line-height: 1.2;
  white-space: nowrap;
  pointer-events: auto;
  touch-action: pan-y;
  transition: color 180ms ease, background 180ms ease;
}

.hero-replay[hidden] {
  display: none;
}

.hero-replay:hover {
  background: rgba(47, 94, 215, 0.06);
  color: var(--blue);
}

.hero-replay:focus-visible {
  outline: 2px solid rgba(47, 94, 215, 0.72);
  outline-offset: 3px;
}

.hero-replay-icon {
  font-size: 1.125rem;
}

.hero-figure figcaption {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 11px;
  color: var(--quiet);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.platform-card {
  display: grid;
  grid-template-columns: minmax(150px, 0.72fr) minmax(0, 1.28fr);
  min-height: 242px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfd;
}

.context-asides {
  display: grid;
  gap: 18px;
}

.context-platform-card {
  grid-template-columns: minmax(112px, 0.38fr) minmax(0, 1fr);
  min-height: 206px;
}

.context-platform-card .platform-robot-crop {
  min-height: 206px;
}

.context-platform-card .platform-card-copy {
  padding: 18px 19px;
}

.context-platform-card .platform-card-title {
  margin-bottom: 12px;
  font-size: clamp(1.55rem, 2.2vw, 2rem);
}

.platform-robot-crop {
  position: relative;
  min-height: 242px;
  overflow: hidden;
  border-right: 1px solid var(--line);
  background: #f4f5f6;
}

.platform-robot-crop img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.platform-card-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 22px 24px 20px;
}

.platform-kicker {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}

.platform-card-title {
  margin: 6px 0 15px;
  color: var(--ink);
  font-size: clamp(1.7rem, 2.7vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1;
}

.platform-dof-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.platform-dof-grid div {
  display: flex;
  min-width: 0;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 10px;
  background: rgba(255, 255, 255, 0.88);
}

.platform-dof-grid dt,
.platform-dof-grid dd {
  margin: 0;
}

.platform-dof-grid dt {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 620;
}

.platform-dof-grid dd {
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 720;
}

.platform-note {
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.45;
}

.section {
  padding-block: clamp(64px, 8vw, 108px);
}

.section-tint {
  background: var(--soft);
}

.section-heading {
  max-width: 840px;
  margin-bottom: 58px;
}

.section-heading .eyebrow,
.questions-intro > .eyebrow {
  font-size: 0.6764rem;
}

.section-heading h2,
.questions-intro h2 {
  max-width: 890px;
  font-size: clamp(2.1805rem, 4.45vw, 4.272rem);
  line-height: 1.02;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
  max-width: none;
  gap: clamp(36px, 7vw, 90px);
  align-items: end;
}

.heading-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.context-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: clamp(40px, 7vw, 96px);
  align-items: start;
}

.prose {
  max-width: 740px;
  font-size: clamp(1.06rem, 1.5vw, 1.25rem);
}

.prose p {
  margin: 0 0 1.2em;
}

.scope-note {
  padding: 26px 28px;
  border-top: 3px solid var(--blue);
  background: var(--soft-blue);
  color: #2a3c56;
  font-size: 0.94rem;
}

.scope-note p {
  margin: 0;
}

.scope-note .scope-label {
  margin-bottom: 10px;
  color: var(--blue-deep);
  font-size: 0.74rem;
  font-weight: 760;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.pipeline-explorer {
  margin-top: 80px;
}

.pipeline-heading {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  margin-bottom: 18px;
  font-size: 0.875rem;
  line-height: 1.5;
}

.pipeline-heading p {
  margin: 0;
}

.pipeline-heading span,
.pipeline-hint {
  color: var(--muted);
}

.pipeline {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-block: 1px solid var(--line-strong);
  list-style: none;
}

.pipeline li {
  position: relative;
  min-width: 0;
  border-left: 1px solid var(--line);
}

.pipeline-trigger {
  display: block;
  width: 100%;
  min-height: 100%;
  margin: 0;
  padding: 23px 20px 26px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: background 140ms ease, box-shadow 140ms ease;
}

.pipeline-trigger:hover {
  background: var(--soft);
}

.pipeline-trigger[aria-expanded="true"] {
  background: var(--soft-blue);
  box-shadow: inset 0 -2px var(--blue);
}

.pipeline-trigger:focus-visible,
.pipeline-detail:focus-visible {
  position: relative;
  z-index: 3;
  outline: 2px solid var(--blue);
  outline-offset: -3px;
}

.pipeline-trigger-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 32px;
}

.pipeline-toggle {
  color: var(--quiet);
  font-size: 1.25rem;
  line-height: 1;
}

.pipeline-trigger[aria-expanded="true"] .pipeline-toggle {
  color: var(--blue-deep);
}

.pipeline li:first-child {
  border-left: 0;
}

.pipeline li:not(:last-child)::after {
  position: absolute;
  z-index: 2;
  top: 50%;
  right: -8px;
  width: 14px;
  height: 14px;
  border-top: 1px solid var(--line-strong);
  border-right: 1px solid var(--line-strong);
  background: #fff;
  content: "";
  transform: rotate(45deg) translateY(-50%);
}

.pipeline-index {
  display: block;
  color: var(--quiet);
  font-size: 0.8125rem;
  font-weight: 750;
  letter-spacing: 0.13em;
}

.accent-index {
  color: var(--orange-text);
}

.pipeline-trigger strong,
.pipeline-trigger small {
  display: block;
}

.pipeline-trigger strong {
  font-size: 0.91rem;
  line-height: 1.28;
}

.pipeline-trigger small {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.4;
}

.pipeline-detail {
  display: grid;
  grid-template-columns: minmax(180px, 0.65fr) minmax(0, 2fr);
  gap: 30px;
  padding: 30px 26px;
  border-bottom: 1px solid var(--line-strong);
  background: var(--soft);
  scroll-margin-top: 100px;
}

.pipeline-detail[hidden],
.pipeline-detail-host[hidden] {
  display: none;
}

.pipeline-detail-index {
  color: var(--blue-deep);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pipeline-detail h3 {
  margin: 10px 0 0;
  font-size: 1.15rem;
  line-height: 1.4;
}

.pipeline-detail-body > p {
  max-width: 78ch;
  margin: 0;
  color: var(--ink-2);
  font-size: 1rem;
  line-height: 1.75;
}

.pipeline-parameters {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 36px;
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.875rem;
  line-height: 1.5;
}

.pipeline-parameters dt {
  color: var(--muted);
}

.pipeline-parameters dd {
  margin: 3px 0 0;
  color: var(--ink);
  font-weight: 650;
}

.contribution-list {
  border-top: 1px solid var(--line-strong);
}

.contribution {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  padding-block: 42px 46px;
  border-bottom: 1px solid var(--line-strong);
}

.contribution-number {
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.12em;
}

.contribution-body {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr);
  column-gap: clamp(42px, 7vw, 100px);
}

.contribution-kicker {
  grid-column: 1;
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 720;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contribution-kicker span {
  color: var(--blue-deep);
}

.contribution h3 {
  grid-column: 1;
  margin: 0;
  font-size: clamp(1.65rem, 2.5vw, 2.4rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.contribution[id],
.support-block[id] {
  scroll-margin-top: 12px;
}

.contribution-link {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  color: var(--quiet);
  vertical-align: middle;
  text-decoration: none;
}

.contribution-link svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contribution-link:hover,
.contribution-link.is-copied {
  background: var(--soft-blue);
  color: var(--blue);
}

.contribution-link:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.share-feedback {
  position: fixed;
  z-index: 70;
  right: 20px;
  bottom: max(20px, env(safe-area-inset-bottom));
  max-width: min(440px, calc(100vw - 40px));
  padding: 12px 16px;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  box-shadow: 0 6px 24px rgba(11, 22, 40, 0.15);
  font-size: 0.875rem;
}

.share-feedback[hidden],
.share-fallback[hidden] {
  display: none;
}

.share-feedback p {
  margin: 0;
}

.share-fallback {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.share-fallback input {
  width: 280px;
  min-width: 0;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 5px;
  font: inherit;
  font-size: 1rem;
}

.share-fallback button {
  min-height: 44px;
  padding: 6px 10px;
  border: 1px solid #667386;
  border-radius: 5px;
  background: transparent;
  color: #fff;
  font: inherit;
  cursor: pointer;
}

.trial-player {
  position: relative;
  min-width: 0;
  container-type: inline-size;
  background: #050b12;
}

.trial-player:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.trial-player video {
  cursor: pointer;
}

.early-test .trial-player {
  overflow: hidden;
  border-radius: 10px;
}

.player-controls {
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 14px 12px 7px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.78) 48%);
  color: #fff;
  transition: opacity 160ms ease;
}

.player-control-row {
  display: flex;
  align-items: center;
  gap: 4px;
}

.player-button {
  appearance: none;
  display: inline-flex;
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: #fff;
  font: inherit;
  line-height: 1;
  cursor: pointer;
}

.player-button svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.player-button:hover,
.player-button[aria-expanded="true"] {
  background: rgba(255, 255, 255, 0.16);
}

.player-button:focus-visible,
.player-seek:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 1px;
}

.player-button:disabled {
  opacity: 0.4;
  cursor: default;
}

.player-speed {
  flex-basis: 52px;
  width: 52px;
  padding-inline: 4px;
  font-size: 0.875rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.player-time {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 0.875rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  white-space: nowrap;
}

.player-seek {
  --progress: 0%;
  appearance: none;
  display: block;
  width: 100%;
  height: 18px;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.player-seek::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(to right, #fff var(--progress), rgba(255, 255, 255, 0.4) var(--progress));
}

.player-seek::-moz-range-track {
  height: 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.4);
}

.player-seek::-moz-range-progress {
  height: 4px;
  border-radius: 4px;
  background: #fff;
}

.player-seek::-webkit-slider-thumb {
  appearance: none;
  width: 12px;
  height: 12px;
  margin-top: -4px;
  border: 0;
  border-radius: 50%;
  background: #fff;
}

.player-seek::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: 0;
  border-radius: 50%;
  background: #fff;
}

.player-seek:disabled {
  opacity: 0.45;
  cursor: default;
}

.player-panel {
  position: absolute;
  z-index: 3;
  right: 12px;
  bottom: 78px;
  width: 200px;
  max-width: calc(100% - 24px);
  max-height: min(270px, calc(100% - 90px));
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 6px;
  border: 1px solid rgba(219, 226, 234, 0.8);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.98);
  color: var(--ink);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  font-size: 0.875rem;
  line-height: 1.4;
}

.player-panel-title {
  padding: 3px 6px 8px;
  font-weight: 650;
}

.player-speed-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.player-panel button,
.player-panel a {
  display: block;
  width: 100%;
  min-height: 36px;
  padding: 7px 8px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--ink);
  font: inherit;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.player-panel .player-rate-option {
  text-align: center;
}

.player-panel button:hover,
.player-panel a:hover,
.player-panel button[aria-pressed="true"] {
  background: var(--soft-blue);
  color: var(--blue-deep);
}

.player-panel button[aria-pressed="true"] {
  box-shadow: inset 0 0 0 1px var(--blue);
  font-weight: 700;
}

.player-panel :is(button, a, input):focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.player-panel button:disabled {
  opacity: 0.4;
  cursor: default;
}

.player-volume-label {
  display: grid;
  gap: 5px;
  margin: 4px 0 0;
  padding: 8px;
  border-top: 1px solid var(--line);
}

.player-volume-label input {
  width: 100%;
  min-height: 24px;
  margin: 0;
  accent-color: var(--blue);
}

.player-status {
  position: absolute;
  z-index: 2;
  top: 10px;
  left: 10px;
  max-width: calc(100% - 20px);
  padding: 7px 10px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  font-size: 0.875rem;
  line-height: 1.4;
  pointer-events: none;
}

.player-status:empty,
.trial-player [hidden] {
  display: none;
}

.trial-player.controls-hidden,
.trial-player.controls-hidden video {
  cursor: none;
}

.controls-hidden .player-controls {
  opacity: 0;
  pointer-events: none;
}

.trial-player:is(:fullscreen, :-webkit-full-screen) {
  display: flex;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 0;
  aspect-ratio: auto;
  background: #000;
}

.trial-player:is(:fullscreen, :-webkit-full-screen) video {
  width: 100%;
  height: 100%;
  border-radius: 0;
  aspect-ratio: auto;
  object-fit: contain;
  object-position: center;
}

@container (max-width: 390px) {
  .player-duration { display: none; }
  .player-controls { padding-inline: 8px; }
  .player-control-row { gap: 2px; }
}

@container (max-width: 300px) {
  .player-control-row > [data-player-mute] { display: none; }
}

@container (max-width: 240px) {
  .player-time { display: none; }
}

@media (pointer: coarse) {
  .player-button { flex-basis: 44px; width: 44px; height: 44px; }
  .player-speed { flex-basis: 52px; width: 52px; }
  .player-panel button, .player-panel a { min-height: 44px; }
}

.contribution ul {
  grid-column: 2;
  grid-row: 1 / span 3;
  margin: 0;
  padding-left: 1.15em;
  color: #334156;
}

.contribution li {
  margin-bottom: 0.56em;
  padding-left: 0.2em;
}

.contribution li::marker {
  color: var(--blue);
}

.contribution-preview {
  grid-column: 1;
  grid-row: 3;
  width: min(100%, 310px);
  overflow: hidden;
  margin: 24px 0 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}

.contribution-preview-media {
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border-bottom: 1px solid var(--line);
  background: #101722;
}

.contribution-preview img,
.contribution-preview video {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
}

.contribution-preview-video video {
  object-position: center 72%;
}

.contribution-preview-tracking { aspect-ratio: 128 / 83; }
.contribution-preview-tracking img {
  object-fit: contain;
}

.contribution-preview figcaption {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px 12px 11px;
  line-height: 1.35;
}

.contribution-preview figcaption span {
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 760;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contribution-preview figcaption strong {
  color: var(--ink-2);
  font-size: 0.875rem;
  font-weight: 680;
}

.contribution-preview figcaption p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

.ownership-note {
  grid-column: 2;
  margin: 12px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.83rem;
}

.technical-note {
  grid-column: 2;
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.83rem;
}

.technical-note code {
  color: var(--ink-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.9em;
}

.contribution-copy {
  grid-column: 2;
  grid-row: 1 / span 3;
  min-width: 0;
  align-self: start;
}

.contribution-copy + .contribution-preview {
  align-self: start;
}

.contribution-insight {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 100px;
}

.contribution-insight h4 {
  margin: 0 0 8px;
  color: var(--ink-2);
  font-size: 0.875rem;
  font-weight: 650;
  line-height: 1.4;
}

.contribution-insight p {
  margin: 0;
  color: #334156;
  font-size: 1rem;
  line-height: 1.65;
}

.contribution-insight p + p {
  margin-top: 12px;
}

.evidence-jump {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  color: var(--blue-deep);
  font-size: 0.875rem;
  font-weight: 650;
  line-height: 1.5;
}

.evidence-jump:hover,
.evidence-jump:focus-visible {
  color: var(--blue);
}

.evidence-card[id],
.problem-evidence[id] {
  scroll-margin-top: 16px;
}

.contribution-body.support-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(34px, 6vw, 76px);
}

.support-block {
  min-width: 0;
}

.support-block + .support-block {
  padding-left: clamp(28px, 4vw, 52px);
  border-left: 1px solid var(--line);
}

.support-block > h3 + p {
  margin: 22px 0 0;
  color: #334156;
}

.evidence-card {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.media-frame {
  overflow: hidden;
  background: #0d1420;
}

.media-photo {
  aspect-ratio: 4 / 3;
}

.media-broadcast {
  aspect-ratio: 20 / 9;
  background: #0d1420;
}

.media-frame video,
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-broadcast video {
  object-fit: contain;
}

.evidence-card figcaption {
  padding: 18px 19px 21px;
}

.evidence-card figcaption strong {
  display: block;
  margin-top: 6px;
  font-size: 1.02rem;
  line-height: 1.35;
}

.evidence-card figcaption p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.55;
}

.evidence-card figcaption a {
  color: var(--blue-deep);
  font-weight: 650;
}

.evidence-label {
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 770;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.evidence-gallery {
  display: grid;
  max-width: 900px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 0 auto;
}

.evidence-group-heading {
  display: flex;
  max-width: 980px;
  align-items: baseline;
  gap: 14px;
  margin: 0 auto 14px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-size: 1rem;
  font-weight: 680;
  letter-spacing: -0.01em;
}

.evidence-group-heading span {
  color: var(--quiet);
  font-size: 0.66rem;
  font-weight: 720;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.evidence-gallery .media-frame {
  aspect-ratio: 16 / 10;
  max-height: 260px;
}

.media-photo-validation img {
  object-position: center 48%;
}

.media-photo-official img {
  object-position: center bottom;
}

.evidence-variants {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: 240px minmax(0, 1fr);
  align-items: center;
}

.evidence-gallery .media-variants {
  aspect-ratio: 3 / 4;
  max-height: none;
  background: var(--soft);
}

.media-variants img { object-fit: contain; }
.evidence-variants figcaption { padding: 24px 30px; }
.evidence-variants figcaption strong { font-size: 1.25rem; }
.evidence-variants figcaption p { font-size: 0.94rem; }

.media-zoom {
  position: relative;
  display: block;
  cursor: zoom-in;
}

.media-zoom-hint {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 6px 10px;
  border-radius: 6px;
  background: rgba(11, 22, 40, 0.86);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.4;
}

.media-zoom:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: -3px;
}

.image-viewer {
  width: min(1200px, calc(100vw - 32px));
  max-width: none;
  max-height: calc(100dvh - 32px);
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.25);
}

.image-viewer::backdrop { background: rgba(5, 13, 25, 0.8); }
html.image-viewer-open { overflow: hidden; }

.image-viewer-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 16px 20px;
}

.image-viewer-toolbar h2 {
  flex: 1 1 220px;
  margin: 0;
  font-size: 1rem;
  line-height: 1.4;
  letter-spacing: normal;
}

.image-viewer-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.image-viewer-actions button,
.image-viewer-actions a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 0.875rem;
  text-decoration: none;
  cursor: pointer;
}

.image-viewer-actions :is(button, a):focus-visible,
.image-viewer-stage:focus-visible { outline: 3px solid var(--blue); outline-offset: -3px; }
.image-viewer-actions button[aria-pressed="true"] { background: var(--soft); }

.image-viewer-stage {
  overflow: auto;
  max-height: 75dvh;
  background: #101722;
  overscroll-behavior: contain;
}

.image-viewer-stage img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 75dvh;
  margin: 0 auto;
}

.image-viewer.is-zoomed .image-viewer-stage img {
  max-width: none;
  max-height: none;
}

@media (max-width: 600px) {
  .evidence-variants { grid-template-columns: minmax(0, 1fr); }
  .evidence-gallery .media-variants { height: 320px; aspect-ratio: auto; }
  .evidence-variants figcaption { padding: 20px; }
  .image-viewer-toolbar { padding: 12px; }
  .image-viewer-actions { gap: 6px; }
  .image-viewer-actions :is(button, a) { padding-inline: 9px; }
}

.early-test {
  max-width: 900px;
  margin: 18px auto 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--soft);
}

.early-test summary {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
  padding: 24px 28px;
  cursor: pointer;
  list-style: none;
}

.early-test summary::-webkit-details-marker {
  display: none;
}

.early-test summary::after {
  color: var(--blue-deep);
  content: "+";
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1;
}

.early-test[open] summary::after {
  content: "−";
}

.early-test summary span {
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 760;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.early-test summary strong {
  font-size: 1rem;
}

.early-test-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 32px;
  align-items: center;
  padding: 0 28px 28px;
}

.additional-evidence-list {
  display: grid;
  gap: 28px;
  padding: 0 28px 28px;
}

.additional-evidence-list .early-test-grid {
  padding: 0;
}

.additional-evidence-list .early-test-grid + .early-test-grid {
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.early-test video {
  width: 100%;
  border-radius: 10px;
  background: #0d1420;
}

.early-test-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.supplemental-evidence-copy > strong {
  display: block;
  margin: 6px 0 11px;
  font-size: 1rem;
}

.section-dark {
  background: var(--dark);
  color: #fff;
}

.dark-heading .eyebrow {
  color: #7fa3ff;
}

.dark-heading .heading-note {
  color: #a9b7c9;
}

.problem-block {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 36px;
  padding-block: 56px 64px;
  border-top: 1px solid var(--dark-line);
}

.problem-block:last-child {
  border-bottom: 1px solid var(--dark-line);
}

.problem-index {
  color: #7fa3ff;
  font-size: 0.75rem;
  font-weight: 760;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.problem-main {
  max-width: 870px;
}

.problem-main h3 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.8rem);
  font-weight: 640;
  letter-spacing: -0.045em;
  line-height: 1;
}

.problem-lead {
  margin: 18px 0 24px;
  color: #fff;
  font-size: clamp(1.18rem, 2vw, 1.55rem);
  line-height: 1.4;
}

.problem-main > p:not(.problem-lead):not(.problem-consequence) {
  max-width: 790px;
  color: var(--dark-text);
}

.problem-evidence {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(240px, 0.85fr);
  margin: 34px 0;
  overflow: hidden;
  border: 1px solid var(--dark-line);
  border-radius: 12px;
  background: #0d1a2b;
}

.problem-evidence-media {
  background: #050b12;
}

.problem-evidence video {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #050b12;
}

.problem-evidence figcaption {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
  border-left: 1px solid var(--dark-line);
}

.problem-evidence .evidence-label {
  color: #7fa3ff;
}

.problem-evidence strong {
  display: block;
  margin: 6px 0 11px;
  color: #fff;
  font-size: 1rem;
  line-height: 1.35;
}

.problem-evidence p {
  margin: 0;
  color: var(--dark-text);
  font-size: 0.92rem;
  line-height: 1.6;
}

.problem-evidence .problem-evidence-attribution {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--dark-line);
  color: #9badc3;
  font-size: 0.875rem;
}

.error-chain {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 34px 0;
  border: 1px solid var(--dark-line);
  background: var(--dark-line);
}

.error-chain span {
  min-height: 70px;
  padding: 20px;
  background: #0d1a2b;
  color: #c3cfdd;
  font-size: 0.83rem;
  font-weight: 630;
  line-height: 1.35;
}

.problem-consequence {
  margin: 32px 0 0;
  padding-left: 20px;
  border-left: 3px solid var(--orange);
  color: #eef4fb;
  font-size: 1.05rem;
}

.questions-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  column-gap: clamp(40px, 8vw, 120px);
  align-items: end;
}

.questions-intro .eyebrow,
.questions-intro h2 {
  grid-column: 1;
}

.questions-intro > p:last-child {
  grid-column: 2;
  grid-row: 1 / span 2;
  margin: 0;
  color: var(--muted);
}

.question-list {
  margin: 70px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  list-style: none;
}

.question-list li {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  padding-block: 30px 32px;
  border-bottom: 1px solid var(--line-strong);
}

.question-list span {
  padding-top: 6px;
  color: var(--orange-text);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.12em;
}

.question-list p {
  max-width: 900px;
  margin: 0;
  font-size: clamp(1.15rem, 2.4vw, 1.7rem);
  font-weight: 520;
  letter-spacing: -0.02em;
  line-height: 1.42;
}

.research-direction {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: clamp(30px, 5vw, 70px);
  align-items: start;
  margin-top: 84px;
  padding: 42px 44px;
  border-top: 4px solid var(--blue);
  background: var(--soft-blue);
}

.research-direction .eyebrow,
.research-direction p {
  margin: 0;
}

.direction-statement {
  color: #182a44;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.45;
}

.direction-copy {
  display: grid;
  gap: 22px;
  max-width: 64ch;
}

.site-footer {
  padding-block: 56px 28px;
  border-top: 1px solid var(--line);
  background: var(--soft);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.footer-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-grid .footer-name {
  margin-bottom: 6px;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 700;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 24px;
  justify-self: end;
  min-width: min(100%, 440px);
  font-size: 0.86rem;
  font-weight: 650;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--blue);
}

.footer-note {
  margin-top: 54px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.footer-note p {
  margin: 0;
  color: var(--quiet);
  font-size: 0.74rem;
}

@media (max-width: 980px) {
  .hero-telemetry {
    width: min(360px, calc(50vw - 32px));
  }

  .hero-ball-inspector {
    width: min(340px, calc(50vw - 32px));
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 11px;
  }

  .hero-ball-inspector-viewport {
    width: 116px;
  }

  .hero-ball-inspector-note {
    font-size: 0.72rem;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-intro,
  .hero-details,
  .hero-visual {
    grid-column: 1;
    grid-row: auto;
  }

  .hero-details {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hero-visual {
    width: min(100%, 760px);
    margin-top: 0;
    justify-self: center;
  }

  .hero-media-frame video {
    min-height: 0;
  }

  .pipeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pipeline li:nth-child(4) {
    border-left: 0;
  }

  .pipeline li:nth-child(3)::after {
    display: none;
  }

  .pipeline li:nth-child(-n + 3) {
    border-bottom: 1px solid var(--line);
  }

  .contribution-body {
    grid-template-columns: 1fr;
  }

  .contribution ul,
  .contribution-copy,
  .contribution-preview,
  .ownership-note,
  .technical-note {
    grid-column: 1;
    grid-row: auto;
  }

  .contribution ul,
  .contribution-copy {
    margin-top: 24px;
  }

  .contribution-copy ul {
    margin-top: 0;
  }

  .contribution-body.support-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .support-block + .support-block {
    padding-top: 30px;
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .contribution-preview {
    width: min(100%, 440px);
  }

  .evidence-gallery {
    grid-template-columns: 1fr 1fr;
  }

  .research-direction {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  :root {
    --shell: min(100% - 30px, 1180px);
  }

  body {
    font-size: 16px;
  }

  .site-header {
    position: sticky;
  }

  .nav-wrap {
    min-height: 60px;
    flex-wrap: wrap;
    gap: 0 12px;
    padding-top: 2px;
  }

  .wordmark {
    flex: 0 0 auto;
    min-height: 44px;
  }

  .nav-links {
    order: 3;
    flex-basis: 100%;
    min-width: 0;
    min-height: 36px;
    margin-left: 0;
    justify-content: flex-start;
    gap: 12px;
    overflow-x: auto;
    font-size: 0.875rem;
    scrollbar-width: none;
    white-space: nowrap;
  }

  .nav-links::-webkit-scrollbar {
    display: none;
  }

  .nav-intro {
    margin-left: auto;
    padding-left: 8px;
    border-left: 0;
  }

  .nav-links a {
    padding-block: 6px;
  }

  .contribution-link {
    width: 44px;
    height: 44px;
  }

  .hero-telemetry {
    width: min(440px, calc(100vw - 32px));
  }

  .hero-motion-owner {
    top: max(18px, env(safe-area-inset-top));
    left: 50%;
    width: calc(100vw - 38px);
    font-size: 0.68rem;
    letter-spacing: 0.09em;
    text-align: center;
    transform: translateX(-50%);
  }

  .hero-motion-title {
    top: max(56px, calc(env(safe-area-inset-top) + 38px));
  }

  .hero-entry-controls {
    position: fixed;
    z-index: 90;
    right: 16px;
    bottom: clamp(18px, 3.5vh, 34px);
    left: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    pointer-events: none;
  }

  .hero-entry-label-full {
    display: none;
  }

  .hero-entry-label-short {
    display: inline;
  }

  .hero-scroll-cue {
    position: static;
    flex: 0 1 auto;
    min-width: 0;
    max-width: none;
    min-height: 44px;
    line-height: 1.25;
    white-space: normal;
    transform: translateY(9px);
  }

  .hero-scroll-cue.is-visible {
    transform: translateY(0);
  }

  .hero-scroll-cue.is-hidden {
    transform: translateY(5px);
  }

  .hero-replay {
    position: static;
    flex-shrink: 0;
  }

  .hero-ball-inspector {
    right: 16px;
    bottom: 230px;
    width: min(292px, calc(100vw - 32px));
    grid-template-columns: 94px minmax(0, 1fr);
    gap: 9px;
    padding: 9px 10px 10px 8px;
  }

  .hero-ball-inspector-viewport {
    width: 94px;
  }

  .hero-ball-inspector-name,
  .hero-ball-inspector-spec,
  .hero-ball-inspector-hint {
    font-size: 0.75rem;
  }

  .hero-ball-inspector-note {
    display: none;
  }

  .hero {
    gap: 44px;
    padding-block: 62px 54px;
  }

  .hero h1 {
    font-size: clamp(2.7rem, 13.3vw, 4.35rem);
  }

  .identity {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .contribution-snapshot {
    grid-template-columns: 1fr 1fr;
  }

  .contribution-snapshot div:nth-child(3) {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .contribution-snapshot div:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .hero-media-frame video {
    min-height: 0;
  }

  .hero-figure figcaption {
    flex-direction: column;
    gap: 2px;
  }

  .platform-card {
    grid-template-columns: minmax(108px, 0.38fr) minmax(0, 1fr);
    min-height: 220px;
  }

  .platform-robot-crop {
    min-height: 220px;
  }

  .platform-card-copy {
    padding: 18px;
  }

  .section {
    padding-block: 60px;
  }

  .section-heading {
    margin-bottom: 44px;
  }

  .section-heading h2,
  .questions-intro h2 {
    font-size: clamp(2.136rem, 10.68vw, 3.204rem);
  }

  .split-heading,
  .context-grid,
  .questions-intro,
  .early-test-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .questions-intro > p:last-child {
    grid-column: 1;
    grid-row: auto;
    margin-top: 24px;
  }

  .pipeline {
    grid-template-columns: 1fr;
  }

  .pipeline li {
    border-bottom: 1px solid var(--line);
    border-left: 0;
  }

  .pipeline-trigger {
    min-height: 0;
    padding: 20px 16px 22px;
  }

  .pipeline li:last-child {
    border-bottom: 0;
  }

  .pipeline li::after {
    display: none;
  }

  .pipeline-trigger-top {
    margin-bottom: 18px;
  }

  .pipeline-detail {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
    padding: 24px 16px;
  }

  .pipeline li > .pipeline-detail {
    border-bottom: 0;
  }

  .contribution {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .evidence-gallery {
    grid-template-columns: 1fr;
  }

  .early-test summary {
    grid-template-columns: 1fr auto;
    gap: 6px 12px;
  }

  .early-test summary span,
  .early-test summary strong {
    grid-column: 1;
  }

  .early-test summary::after {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .problem-block {
    grid-template-columns: 1fr;
  }

  .problem-evidence {
    grid-template-columns: 1fr;
  }

  .problem-evidence figcaption {
    border-top: 1px solid var(--dark-line);
    border-left: 0;
  }

  .error-chain {
    grid-template-columns: 1fr 1fr;
  }

  .question-list li {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 12px;
  }

  .research-direction {
    padding: 32px 26px;
  }

  .footer-links {
    justify-self: start;
    width: 100%;
  }
}

@media (max-width: 430px) {
  .platform-card {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .platform-robot-crop {
    display: none;
  }

  .wordmark-desktop {
    display: none;
  }

  .wordmark-mobile {
    display: inline;
  }

  .hero-motion-owner {
    width: calc(100vw - 32px);
  }

  .hero-links .button {
    flex: 1 1 calc(50% - 6px);
  }

  .error-chain {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .hero-entry-controls,
  .hero-scroll-cue,
  .hero-replay {
    bottom: 16px;
  }

  .hero-scroll-cue {
    font-size: 0.75rem;
  }

  .hero-telemetry {
    bottom: 68px;
    left: 16px;
    width: calc(100vw - 32px);
    padding: 10px 11px 11px;
  }

  .hero-ball-inspector {
    bottom: 228px;
    width: min(292px, calc(100vw - 32px));
    grid-template-columns: 94px minmax(0, 1fr);
  }

  .hero-ball-inspector-viewport {
    width: 94px;
  }

  .hero-telemetry-heading {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .hero-telemetry-row,
  .hero-telemetry-quaternion {
    grid-template-columns: 60px repeat(4, minmax(0, 1fr));
    gap: 4px;
  }

  .hero-telemetry-row:not(.hero-telemetry-quaternion) {
    grid-template-columns: 60px repeat(3, minmax(0, 1fr));
  }

  .hero-pose-value {
    display: grid;
    gap: 1px;
  }

  .hero-motion-title {
    top: max(56px, calc(env(safe-area-inset-top) + 38px));
    width: calc(100vw - 34px);
  }

  .hero-title-word {
    font-size: clamp(4.9rem, 25vw, 7.8rem);
  }

  .hero-title-descriptor {
    max-width: 29ch;
    margin-top: 0.4rem;
    font-size: 0.68rem;
    letter-spacing: 0.11em;
  }
}

@media (max-width: 350px) {
  .wordmark-mobile {
    display: none;
  }
}

@media (max-width: 300px) {
  .hero-ball-inspector {
    right: 12px;
    width: calc(100vw - 24px);
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 8px;
    padding-inline: 8px;
  }

  .hero-ball-inspector-viewport {
    width: 74px;
  }

  .hero-ball-inspector-name {
    overflow-wrap: anywhere;
  }
}

@media (max-height: 560px) and (orientation: landscape) {
  .hero-motion-owner {
    display: none;
  }

  .hero-ball-inspector {
    display: none;
  }

  .hero-motion-title {
    top: 18px;
  }

  .hero-title-word {
    font-size: min(17vh, 7.5rem);
  }

  .hero-title-descriptor {
    display: none;
  }

  .hero-entry-controls,
  .hero-scroll-cue,
  .hero-replay {
    bottom: 12px;
  }

  .hero-telemetry {
    bottom: 14px;
    left: 18px;
    width: min(600px, calc(100vw - 260px));
    padding: 9px 11px;
  }

  .hero-telemetry-heading,
  .hero-telemetry-frame {
    display: none;
  }

  .hero-telemetry-row,
  .hero-telemetry-quaternion {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
  }

  .hero-telemetry-quaternion {
    display: none;
  }
}

@media (max-height: 560px) and (orientation: landscape) and (max-width: 700px) {
  .hero-telemetry {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }

  .hero-motion-stage {
    visibility: hidden;
    opacity: 0;
  }

  .hero-ball-inspector,
  .hero-replay,
  .nav-intro {
    display: none;
  }
}