:root {
  --experience-black: #080808;
  --experience-panel: #101010;
  --experience-ink: #f1f1ed;
  --experience-muted: rgb(241 241 237 / 58%);
  --experience-line: rgb(241 241 237 / 18%);
  --experience-gold: #d9b44a;
  --experience-gutter: clamp(1.25rem, 4vw, 4.5rem);
  --experience-header: 5rem;
  --technical: "Manrope", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --type-label: 0.6875rem;
  --type-meta: 0.75rem;
  --tracking-cyrillic: 0.08em;
}

body {
  background: var(--experience-black);
}

::selection {
  color: var(--experience-black);
  background: var(--experience-gold);
}

.site-header :focus-visible,
.film :focus-visible {
  outline-color: var(--experience-gold);
}

.skip-link {
  color: var(--experience-black);
  background: var(--experience-gold);
}

.site-header {
  position: fixed;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto;
  min-height: var(--experience-header);
  padding: 0 var(--experience-gutter);
  color: var(--experience-ink);
  border-bottom: 1px solid transparent;
  background: transparent;
  box-shadow: none;
  transition:
    border-color 200ms cubic-bezier(0.16, 1, 0.3, 1),
    background-color 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header.is-scrolled,
.site-header.is-menu-open {
  color: var(--experience-ink);
  border-color: rgb(241 241 237 / 10%);
  background: rgb(8 8 8 / 78%);
  box-shadow: none;
  backdrop-filter: blur(1.1rem) saturate(115%);
}

.site-header > :not(.site-menu) {
  position: relative;
  z-index: 2;
}

.site-header .wordmark {
  display: inline-flex;
  flex-direction: row;
  gap: 0.72rem;
  align-items: center;
  width: auto;
  min-height: 2.75rem;
  color: inherit;
  line-height: 1;
}

.site-header .wordmark-sign {
  display: grid;
  width: 1.9rem;
  height: 1.9rem;
  place-items: center;
  color: var(--experience-gold);
  border: 1px solid rgb(217 180 74 / 58%);
  font-family: var(--technical);
  font-size: var(--type-label);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.site-header .wordmark-name,
.site-header .wordmark span:last-child {
  margin: 0;
  font-size: 0.76rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav {
  justify-self: center;
  gap: clamp(1.6rem, 2.8vw, 3.4rem);
  font-family: var(--technical);
  font-size: var(--type-label);
  font-weight: 560;
  letter-spacing: var(--tracking-cyrillic);
  text-transform: uppercase;
}

.site-nav a::after {
  bottom: -0.55rem;
  background: var(--experience-gold);
}

.header-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-self: end;
}

.vehicle-switcher {
  display: inline-flex;
  gap: 0.55rem;
  align-items: center;
  min-height: 2.75rem;
  padding: 0 0.2rem 0 0.7rem;
  color: var(--experience-muted);
  border: 1px solid rgb(241 241 237 / 16%);
  font-family: var(--technical);
  font-size: var(--type-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.vehicle-switcher select {
  min-width: 5.4rem;
  min-height: 2.75rem;
  padding: 0.45rem 1.8rem 0.45rem 0.55rem;
  color: var(--experience-ink);
  border: 0;
  outline: 0;
  background: transparent;
  font: 650 var(--type-label)/1 var(--technical);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
}

.vehicle-switcher:focus-within {
  border-color: rgb(217 180 74 / 74%);
}

.header-configure,
.header-call {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0 0.95rem;
  font-family: var(--technical);
  font-size: var(--type-label);
  font-weight: 700;
  letter-spacing: 0.035em;
  text-decoration: none;
  text-transform: uppercase;
}

.header-configure {
  color: var(--experience-black);
  background: var(--experience-gold);
}

.header-call {
  padding-inline: 0.2rem;
  color: var(--experience-ink);
  border-bottom: 1px solid rgb(241 241 237 / 34%);
  background: transparent;
}

.menu-toggle {
  display: none;
  gap: 0.65rem;
  align-items: center;
  justify-self: end;
  padding: 0.7rem 0;
  color: inherit;
  border: 0;
  background: transparent;
  font-family: var(--technical);
  font-size: var(--type-label);
  letter-spacing: var(--tracking-cyrillic);
  text-transform: uppercase;
  cursor: pointer;
}

.menu-toggle svg {
  width: 1.15rem;
  height: 1.15rem;
  overflow: visible;
}

.menu-toggle-line {
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header.is-menu-open .menu-toggle-line--top {
  transform: translateY(4px) rotate(45deg);
}

.site-header.is-menu-open .menu-toggle-line--bottom {
  transform: translateY(-4px) rotate(-45deg);
}

.site-menu {
  position: fixed;
  z-index: 1;
  top: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: min(38rem, 100%);
  height: 100dvh;
  min-height: 0;
  padding: calc(var(--experience-header) + 5rem) var(--experience-gutter) max(3rem, env(safe-area-inset-bottom));
  overflow-y: auto;
  overscroll-behavior: contain;
  color: var(--experience-ink);
  visibility: hidden;
  background: #0c0c0c;
  box-shadow: -2rem 0 6rem rgb(0 0 0 / 42%);
  opacity: 0;
  transform: translateX(100%);
  transition:
    visibility 0s linear 220ms,
    opacity 180ms ease-out,
    transform 240ms cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header.is-menu-open .site-menu {
  visibility: visible;
  opacity: 1;
  transform: translateX(0);
  transition-delay: 0s;
}

.site-menu nav {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--experience-line);
}

.site-menu-models {
  margin-bottom: clamp(1.6rem, 4vh, 3rem);
}

.site-menu-models > p {
  margin: 0 0 0.8rem;
  color: var(--experience-muted);
  font-family: var(--technical);
  font-size: var(--type-meta);
  letter-spacing: var(--tracking-cyrillic);
  text-transform: uppercase;
}

.site-menu-models > div {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.site-menu-models a {
  display: inline-flex;
  gap: 0.65rem;
  align-items: center;
  min-height: 2.75rem;
  padding: 0 0.95rem;
  border: 1px solid var(--experience-line);
  font-family: var(--technical);
  font-size: var(--type-label);
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-menu-models a[aria-current="page"] {
  color: var(--experience-black);
  border-color: var(--experience-gold);
  background: var(--experience-gold);
}

.site-menu-models a span {
  font-size: var(--type-meta);
  opacity: 0.7;
}

.site-menu nav a {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--experience-line);
  font-size: clamp(2.1rem, 5vw, 4rem);
  font-weight: 450;
  line-height: 1;
  letter-spacing: -0.035em;
  text-decoration: none;
  transition: color 180ms ease, transform 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

.site-menu nav a span,
.site-menu-call span {
  color: var(--experience-muted);
  font-family: var(--technical);
  font-size: var(--type-meta);
  letter-spacing: var(--tracking-cyrillic);
  text-transform: uppercase;
}

.site-menu-call {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--experience-line);
  text-decoration: none;
}

.site-menu-call strong {
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-weight: 450;
  letter-spacing: -0.025em;
}

.film {
  position: relative;
  height: 210svh;
  color: var(--experience-ink);
  background: var(--experience-black);
}

.film-sticky {
  height: 100svh;
  min-height: 40rem;
  background: var(--experience-black);
}

.film-media {
  z-index: -2;
  overflow: hidden;
  background: var(--experience-black);
  transform-origin: 58% 52%;
  will-change: transform;
}

.film-media-intro {
  position: absolute;
  inset: 0;
  transform-origin: 58% 52%;
}

.film-poster,
.film-video {
  object-position: 52% center;
  filter: saturate(0.82) contrast(1.06) brightness(0.86);
}

.film-poster {
  transform: scale(1.01);
}

.film-wash {
  z-index: 1;
  background:
    linear-gradient(90deg, rgb(8 8 8 / 91%) 0%, rgb(8 8 8 / 67%) 25%, rgb(8 8 8 / 17%) 56%, rgb(8 8 8 / 8%) 76%, rgb(8 8 8 / 34%) 100%),
    linear-gradient(180deg, rgb(8 8 8 / 55%) 0%, transparent 24%, transparent 64%, rgb(8 8 8 / 87%) 100%);
  opacity: 1;
}

.film-grid {
  position: absolute;
  z-index: 2;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, transparent calc(25% - 0.5px), rgb(241 241 237 / 6%) 25%, transparent calc(25% + 0.5px)),
    linear-gradient(90deg, transparent calc(50% - 0.5px), rgb(241 241 237 / 6%) 50%, transparent calc(50% + 0.5px)),
    linear-gradient(90deg, transparent calc(75% - 0.5px), rgb(241 241 237 / 6%) 75%, transparent calc(75% + 0.5px)),
    linear-gradient(180deg, transparent calc(50% - 0.5px), rgb(241 241 237 / 5%) 50%, transparent calc(50% + 0.5px));
  mask-image: linear-gradient(180deg, transparent 0%, black 18%, black 84%, transparent 100%);
  opacity: 0.68;
}

.film-interface {
  position: relative;
  width: 100%;
  height: 100%;
  padding: calc(var(--experience-header) + 2.5rem) var(--experience-gutter) max(2rem, env(safe-area-inset-bottom));
}

.chapter-index {
  position: absolute;
  top: calc(var(--experience-header) + 2rem);
  left: var(--experience-gutter);
  display: flex;
  gap: 0.55rem;
  align-items: center;
  font-family: var(--technical);
  font-size: var(--type-label);
  letter-spacing: var(--tracking-cyrillic);
  text-transform: uppercase;
}

.chapter-index span:first-child,
.next-chapter p span {
  color: var(--experience-gold);
}

.chapter-index span:nth-child(2),
.chapter-index strong {
  color: var(--experience-muted);
  font-weight: 500;
}

.film-beats {
  position: absolute;
  z-index: 3;
  top: calc(var(--experience-header) + 1.75rem);
  left: 50%;
  display: grid;
  grid-template-columns: repeat(3, minmax(7rem, 1fr));
  width: min(47rem, 56vw);
  gap: clamp(0.7rem, 1.25vw, 1.35rem);
  transform: translateX(-50%);
}

.film-beat {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.55rem;
  padding-top: 0.65rem;
  color: rgb(241 241 237 / 36%);
  font-family: var(--technical);
  opacity: 0.76;
  transition:
    color 220ms ease,
    opacity 220ms ease;
}

.film-beat::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 1px;
  content: "";
  background: var(--experience-line);
  transform: scaleX(0.24);
  transform-origin: left;
  transition:
    background-color 220ms ease,
    transform 320ms cubic-bezier(0.23, 1, 0.32, 1);
}

.film-beat > span {
  color: inherit;
  font-size: var(--type-label);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}

.film-beat p {
  display: grid;
  gap: 0.18rem;
  margin: 0;
}

.film-beat strong,
.film-beat small {
  font-size: var(--type-label);
  font-weight: 560;
  letter-spacing: 0.07em;
  line-height: 1.2;
  text-transform: uppercase;
}

.film-beat small {
  color: rgb(241 241 237 / 64%);
  font-weight: 480;
}

.film[data-film-phase="impulse"] .film-beat[data-film-beat="impulse"],
.film[data-film-phase="presence"] .film-beat[data-film-beat="presence"],
.film[data-film-phase="control"] .film-beat[data-film-beat="control"] {
  color: var(--experience-ink);
  opacity: 1;
}

.film[data-film-phase="impulse"] .film-beat[data-film-beat="impulse"]::before,
.film[data-film-phase="presence"] .film-beat[data-film-beat="presence"]::before,
.film[data-film-phase="control"] .film-beat[data-film-beat="control"]::before {
  background: var(--experience-gold);
  transform: scaleX(1);
}

.hero-title {
  position: absolute;
  z-index: 1;
  top: clamp(10rem, 22vh, 14rem);
  right: var(--experience-gutter);
  left: var(--experience-gutter);
}

.hero-title h1 {
  display: flex;
  gap: 0.14em;
  align-items: baseline;
  margin: 0;
  font-size: clamp(5.2rem, 11.3vw, 10.6rem);
  font-weight: 440;
  line-height: 0.84;
  letter-spacing: -0.025em;
  white-space: nowrap;
}

.hero-title h1.is-seo-heading {
  gap: 0.09em;
  font-size: clamp(3.8rem, 6.8vw, 7.2rem);
  line-height: 0.88;
}

.hero-title h1 span:last-child {
  margin-left: auto;
  color: transparent;
  -webkit-text-stroke: 1px rgb(241 241 237 / 58%);
}

.hero-title p {
  margin: 1.15rem 0 0;
  color: var(--experience-muted);
  font-family: var(--technical);
  font-size: var(--type-label);
  font-weight: 520;
  letter-spacing: var(--tracking-cyrillic);
  text-transform: uppercase;
}

.hero-bottom {
  position: absolute;
  z-index: 3;
  right: var(--experience-gutter);
  bottom: max(5.4rem, calc(env(safe-area-inset-bottom) + 4.7rem));
  left: var(--experience-gutter);
  display: flex;
  gap: 3rem;
  align-items: end;
  justify-content: space-between;
}

.hero-specs {
  display: grid;
  grid-template-columns: repeat(4, minmax(7.5rem, 1fr));
  width: min(48rem, 64vw);
  margin: 0;
}

.hero-specs div {
  padding: 0.85rem 1.4rem 0 0;
  border-top: 1px solid var(--experience-line);
}

.hero-specs div + div {
  padding-left: 1.4rem;
  border-left: 1px solid var(--experience-line);
}

.hero-specs dt,
.hero-specs dd {
  margin: 0;
}

.hero-specs dt {
  color: var(--experience-muted);
  font-family: var(--technical);
  font-size: var(--type-label);
  font-weight: 520;
  letter-spacing: var(--tracking-cyrillic);
  text-transform: uppercase;
}

.hero-specs dd {
  margin-top: 0.45rem;
  font-size: 0.84rem;
  font-weight: 550;
  letter-spacing: 0.02em;
}

.hero-action {
  display: inline-flex;
  gap: 1rem;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.85rem 1rem;
  color: var(--experience-black);
  border: 1px solid var(--experience-gold);
  background: var(--experience-gold);
  font-size: 0.75rem;
  font-weight: 620;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms ease, transform 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-action svg {
  width: 1.25rem;
  height: 1.25rem;
  color: currentColor;
}

@media (hover: hover) and (pointer: fine) {
  .site-menu nav a:hover {
    color: var(--experience-gold);
    transform: translateX(0.35rem);
  }

  .hero-action:hover {
    color: var(--experience-black);
    background: #e4c45f;
    transform: translateX(0.28rem);
  }
}

.header-configure:active,
.header-call:active,
.hero-action:active,
.site-menu nav a:active,
.site-menu-call:active,
.menu-toggle:active {
  transform: scale(0.97);
  transition-duration: 140ms;
}

.hero-telemetry {
  position: absolute;
  z-index: 3;
  top: 45%;
  right: var(--experience-gutter);
  display: grid;
  width: 13.5rem;
  gap: 1rem;
  color: var(--experience-muted);
  text-align: right;
  transform: translateY(-50%);
}

.telemetry-coordinate {
  display: flex;
  justify-content: space-between;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--experience-line);
  font-family: var(--technical);
  font-size: var(--type-label);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.telemetry-coordinate strong {
  color: var(--experience-ink);
  font-weight: 500;
}

.telemetry-scale {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  height: 2.4rem;
  border-bottom: 1px solid var(--experience-line);
}

.telemetry-scale span {
  align-self: end;
  height: 40%;
  border-left: 1px solid var(--experience-line);
}

.telemetry-scale span:nth-child(3) {
  height: 100%;
  border-color: var(--experience-gold);
}

.hero-telemetry p {
  margin: 0;
  font-family: var(--technical);
  font-size: var(--type-label);
  line-height: 1.7;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.next-chapter {
  position: absolute;
  z-index: 5;
  right: var(--experience-gutter);
  bottom: max(4.8rem, calc(env(safe-area-inset-bottom) + 4.1rem));
  left: var(--experience-gutter);
  opacity: 0;
  transform: translateY(4.5rem);
  pointer-events: none;
}

.next-chapter-line {
  width: 100%;
  height: 1px;
  overflow: hidden;
  background: var(--experience-line);
}

.next-chapter-line span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--experience-gold);
  transform: scaleX(0);
  transform-origin: left;
}

.next-chapter p {
  display: flex;
  gap: 0.5rem;
  margin: 1rem 0 0;
  color: var(--experience-muted);
  font-family: var(--technical);
  font-size: var(--type-label);
  font-weight: 520;
  letter-spacing: var(--tracking-cyrillic);
  text-transform: uppercase;
}

.next-chapter h2 {
  margin: 1.6rem 0 0;
  font-size: clamp(4.5rem, 9vw, 8.5rem);
  font-weight: 430;
  line-height: 0.86;
  letter-spacing: -0.025em;
  text-transform: uppercase;
}

.film-status {
  top: calc(var(--experience-header) + 2rem);
  right: var(--experience-gutter);
  bottom: auto;
  gap: 0.6rem;
  padding: 0;
  color: var(--experience-muted);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  font-family: var(--technical);
  font-size: var(--type-label);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.status-pulse {
  width: 0.35rem;
  height: 0.35rem;
  background: var(--experience-gold);
}

.film-progress {
  right: var(--experience-gutter);
  bottom: max(1.5rem, env(safe-area-inset-bottom));
  left: var(--experience-gutter);
}

.progress-meta {
  margin: 0 0 0.7rem;
  color: var(--experience-muted);
  font-family: var(--technical);
  font-size: var(--type-label);
  font-weight: 500;
  letter-spacing: var(--tracking-cyrillic);
}

.progress-meta span:last-child {
  color: var(--experience-gold);
}

.progress-track {
  background: var(--experience-line);
}

.progress-track span {
  background: var(--experience-gold);
}

.scroll-cue {
  top: 50%;
  right: 1.1rem;
  bottom: auto;
  color: var(--experience-muted);
  font-family: var(--technical);
  font-size: var(--type-label);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
  transform: translateY(-50%);
}

.scroll-cue.is-hidden {
  transform: translateY(-45%);
}

.scroll-cue svg {
  color: var(--experience-gold);
}

.machine-studies {
  position: relative;
  height: 360svh;
  color: var(--experience-ink);
  background: var(--experience-black);
}

.studies-sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  min-height: 40rem;
  overflow: hidden;
  background: var(--experience-black);
}

.studies-sticky::before,
.studies-sticky::after {
  position: absolute;
  z-index: 4;
  content: "";
  pointer-events: none;
}

.studies-sticky::before {
  inset: 0 50% 0 auto;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgb(241 241 237 / 9%) 18%, rgb(241 241 237 / 9%) 82%, transparent);
}

.studies-sticky::after {
  right: 0;
  bottom: 23%;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgb(241 241 237 / 8%) 18%, rgb(241 241 237 / 8%) 82%, transparent);
}

.studies-scenes,
.study-scene,
.study-scene picture {
  position: absolute;
  inset: 0;
}

.study-scene {
  margin: 0;
  overflow: hidden;
  opacity: 0;
  transform: translate3d(-4vw, 0, 0);
  pointer-events: none;
}

.study-scene.is-active {
  will-change: opacity, transform;
}

.study-scene picture {
  display: block;
}

.study-scene img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.04);
}

.study-scene.is-active img {
  will-change: transform;
}

.study-shade {
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(90deg, rgb(8 8 8 / 92%) 0%, rgb(8 8 8 / 58%) 27%, rgb(8 8 8 / 4%) 58%, rgb(8 8 8 / 8%) 100%),
    linear-gradient(180deg, rgb(8 8 8 / 42%) 0%, transparent 25%, transparent 62%, rgb(8 8 8 / 82%) 100%);
}

.studies-heading {
  position: absolute;
  z-index: 7;
  top: calc(var(--experience-header) + 3.5rem);
  right: var(--experience-gutter);
  left: var(--experience-gutter);
  pointer-events: none;
}

.studies-heading > p:first-child,
.study-scene figcaption > p,
.study-scene figcaption small {
  color: var(--experience-muted);
  font-family: var(--technical);
  font-size: var(--type-label);
  font-weight: 520;
  letter-spacing: var(--tracking-cyrillic);
  text-transform: uppercase;
}

.studies-heading > p:first-child span,
.study-scene figcaption > p span {
  color: var(--experience-gold);
}

.studies-heading h2 {
  display: flex;
  flex-direction: column;
  width: min(65rem, 70vw);
  margin: 1.6rem 0 0;
  font-size: clamp(4.6rem, 9vw, 9rem);
  font-weight: 430;
  line-height: 0.86;
  letter-spacing: -0.025em;
  text-transform: uppercase;
}

.studies-heading h2 span:last-child {
  color: transparent;
  -webkit-text-stroke: 1px rgb(241 241 237 / 56%);
}

.studies-heading > p:last-child {
  width: min(27rem, 40vw);
  margin: 1.6rem 0 0;
  color: var(--experience-muted);
  font-size: 0.94rem;
  font-weight: 460;
  line-height: 1.6;
}

.study-scene figcaption {
  position: absolute;
  z-index: 3;
  bottom: max(5.8rem, calc(env(safe-area-inset-bottom) + 5rem));
  left: var(--experience-gutter);
  width: min(48rem, 58vw);
  opacity: 0;
}

.study-scene figcaption h3 {
  margin: 1.05rem 0 0;
  font-size: clamp(3.8rem, 7.4vw, 7.5rem);
  font-weight: 440;
  line-height: 0.86;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.study-scene figcaption dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(9rem, 14rem));
  width: fit-content;
  margin: 1.8rem 0 0;
  border-top: 1px solid var(--experience-line);
}

.study-scene figcaption dl div {
  padding: 0.85rem 2.5rem 0 0;
}

.study-scene figcaption dl div + div {
  padding-left: 1.5rem;
  border-left: 1px solid var(--experience-line);
}

.study-scene figcaption dt,
.study-scene figcaption dd {
  margin: 0;
}

.study-scene figcaption dt {
  color: var(--experience-muted);
  font-family: var(--technical);
  font-size: var(--type-label);
  font-weight: 520;
  letter-spacing: var(--tracking-cyrillic);
  text-transform: uppercase;
}

.study-scene figcaption dd {
  margin-top: 0.38rem;
  font-size: 0.84rem;
  font-weight: 560;
}

.study-scene figcaption small {
  display: block;
  margin-top: 1.35rem;
  color: rgb(241 241 237 / 68%);
  font-size: var(--type-label);
}

.studies-rail {
  position: absolute;
  z-index: 8;
  top: 50%;
  right: max(1.15rem, calc(env(safe-area-inset-right) + 0.7rem));
  display: grid;
  gap: 1.2rem;
  color: var(--experience-muted);
  font-family: var(--technical);
  font-size: var(--type-label);
  letter-spacing: 0.12em;
  transform: translateY(-50%);
}

.studies-rail span {
  position: relative;
  padding-left: 2.4rem;
  transition: color 220ms ease;
}

.studies-rail span::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: 1.6rem;
  height: 1px;
  content: "";
  background: var(--experience-line);
  transform: scaleX(0.48);
  transform-origin: right;
  transition: background-color 220ms ease, transform 320ms cubic-bezier(0.23, 1, 0.32, 1);
}

.studies-rail span.is-active {
  color: var(--experience-gold);
}

.studies-rail span.is-active::before {
  background: var(--experience-gold);
  transform: scaleX(1);
}

.studies-progress {
  position: absolute;
  z-index: 8;
  right: var(--experience-gutter);
  bottom: max(1.4rem, env(safe-area-inset-bottom));
  left: var(--experience-gutter);
  height: 1px;
  overflow: hidden;
  background: var(--experience-line);
}

.studies-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--experience-gold);
  transform: scaleX(0);
  transform-origin: left;
}

@media (max-width: 900px) {
  .site-nav {
    display: none;
  }

  .header-call {
    display: none;
  }

  .header-configure {
    min-height: 2.75rem;
    padding-inline: 0.8rem;
  }

  .menu-toggle {
    display: inline-flex;
    min-width: 2.75rem;
    min-height: 2.75rem;
  }

  .hero-title h1 {
    font-size: clamp(4.8rem, 14vw, 8rem);
  }

  .hero-telemetry {
    display: none;
  }

  .hero-specs {
    width: min(42rem, 72vw);
  }

  .study-scene figcaption {
    width: min(42rem, 68vw);
  }
}

@media (max-width: 760px) {
  :root {
    --experience-header: 4.4rem;
    --type-label: 0.75rem;
  }

  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0 1.25rem;
  }

  .site-header .wordmark-name {
    font-size: 0.75rem;
  }

  .header-actions {
    gap: 0.6rem;
  }

  .vehicle-switcher {
    gap: 0;
    padding-left: 0;
  }

  .vehicle-switcher > span,
  .header-configure {
    display: none;
  }

  .vehicle-switcher select {
    min-width: 5.15rem;
    padding-left: 0.65rem;
  }

  .menu-toggle span {
    display: inline;
  }

  .site-menu {
    padding: calc(var(--experience-header) + 3rem) 1.25rem max(2rem, env(safe-area-inset-bottom));
  }

  .site-menu nav a {
    font-size: clamp(2.2rem, 11vw, 3.5rem);
  }

  .film {
    height: 155svh;
  }

  .film-sticky {
    min-height: 35rem;
  }

  .film-poster,
  .film-video {
    /* The desktop master is 16:9. On a phone, keep the expressive front
       quarter in frame instead of landing on an anonymous door crop. */
    object-position: 42% center;
  }

  .film-wash {
    background:
      linear-gradient(180deg, rgb(8 8 8 / 70%) 0%, rgb(8 8 8 / 13%) 27%, rgb(8 8 8 / 12%) 52%, rgb(8 8 8 / 92%) 82%, rgb(8 8 8 / 98%) 100%),
      linear-gradient(90deg, rgb(8 8 8 / 45%), transparent 74%);
  }

  .film-grid {
    opacity: 0.42;
  }

  .film-interface {
    padding: calc(var(--experience-header) + 1.5rem) 1.25rem max(1.2rem, env(safe-area-inset-bottom));
  }

  .chapter-index {
    top: calc(var(--experience-header) + 1.25rem);
    left: 1.25rem;
  }

  .film-beats {
    display: none;
  }

  .film-beat {
    display: none;
    grid-template-columns: auto 1fr;
  }

  .film-beat[aria-current="step"] {
    display: grid;
  }

  .film-beat small {
    display: none;
  }

  .hero-title {
    top: clamp(7.7rem, 17vh, 9.7rem);
    right: 1.25rem;
    left: 1.25rem;
  }

  .hero-title h1 {
    flex-direction: column;
    gap: 0.08em;
    font-size: clamp(4rem, 18vw, 6.6rem);
    line-height: 0.84;
  }

  .hero-title h1.is-seo-heading {
    gap: 0.05em;
    max-width: 100%;
    font-size: clamp(2.55rem, 10.5vw, 3.55rem);
    line-height: 0.9;
    white-space: normal;
  }

  .hero-title h1.is-seo-heading span {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .hero-title h1 span:last-child {
    margin-left: 0;
  }

  .hero-title p {
    margin-top: 0.8rem;
  }

  .hero-bottom {
    right: 1.25rem;
    bottom: max(4.9rem, calc(env(safe-area-inset-bottom) + 4.4rem));
    left: 1.25rem;
    display: block;
  }

  .hero-specs {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .hero-specs div {
    padding: 0.65rem 0.75rem 0 0;
  }

  .hero-specs div + div {
    display: none;
  }

  .hero-specs div:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

  .hero-specs div:nth-child(n + 3) {
    margin-top: 0.85rem;
  }

  .hero-action {
    margin-top: 1.15rem;
    font-size: 0.78rem;
  }

  .next-chapter {
    right: 1.25rem;
    bottom: max(4.4rem, calc(env(safe-area-inset-bottom) + 4rem));
    left: 1.25rem;
  }

  .next-chapter h2 {
    margin-top: 1.1rem;
    font-size: clamp(3.25rem, 15vw, 5rem);
  }

  .film-progress {
    right: 1.25rem;
    bottom: max(1.2rem, env(safe-area-inset-bottom));
    left: 1.25rem;
  }

  .scroll-cue {
    display: none;
  }

  .film-status {
    top: calc(var(--experience-header) + 3.15rem);
    right: 1.25rem;
    bottom: auto;
  }

  .machine-studies {
    height: 300svh;
  }

  .studies-sticky {
    min-height: 35rem;
  }

  .studies-sticky::before {
    right: 1.25rem;
  }

  .studies-sticky::after {
    bottom: 29%;
  }

  .study-scene img {
    object-fit: contain;
    object-position: center;
    transform: none;
  }

  .study-shade {
    background:
      linear-gradient(180deg, rgb(8 8 8 / 66%) 0%, rgb(8 8 8 / 8%) 23%, transparent 46%, rgb(8 8 8 / 18%) 63%, rgb(8 8 8 / 93%) 87%, rgb(8 8 8 / 99%) 100%),
      linear-gradient(90deg, rgb(8 8 8 / 24%), transparent 70%);
  }

  .studies-heading {
    top: calc(var(--experience-header) + 2rem);
    right: 1.25rem;
    left: 1.25rem;
  }

  .studies-heading h2 {
    width: 100%;
    margin-top: 1.1rem;
    font-size: clamp(3.15rem, 14vw, 5rem);
    line-height: 0.88;
  }

  .studies-heading > p:last-child {
    width: min(22rem, 82vw);
    margin-top: 1.1rem;
    font-size: 0.88rem;
  }

  .study-scene figcaption {
    right: 1.25rem;
    bottom: max(4.7rem, calc(env(safe-area-inset-bottom) + 4.2rem));
    left: 1.25rem;
    width: auto;
  }

  .study-scene figcaption h3 {
    margin-top: 0.7rem;
    font-size: clamp(2.5rem, 12vw, 4rem);
    line-height: 0.9;
  }

  .study-scene figcaption dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    margin-top: 1.15rem;
  }

  .study-scene figcaption dl div {
    padding-right: 0.7rem;
  }

  .study-scene figcaption dl div + div {
    padding-left: 0.9rem;
  }

  .study-scene figcaption small {
    margin-top: 0.85rem;
  }

  .studies-rail {
    top: calc(var(--experience-header) + 1.8rem);
    right: 1.25rem;
    display: flex;
    gap: 0.8rem;
    transform: none;
  }

  .studies-rail span {
    padding: 0 0 0.45rem;
  }

  .studies-rail span::before {
    top: auto;
    right: 0;
    bottom: 0;
    width: 100%;
    transform-origin: left;
  }

  .studies-progress {
    right: 1.25rem;
    bottom: max(1.2rem, env(safe-area-inset-bottom));
    left: 1.25rem;
  }
}

@media (max-width: 360px) {
  .film-beats {
    top: calc(var(--experience-header) + 3.1rem);
    right: 1.25rem;
    left: 1.25rem;
    width: auto;
  }

  .film:not(.is-video-ready) .film-beats {
    opacity: 0;
  }

  .hero-title {
    top: clamp(9.6rem, 24vh, 11rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-menu,
  .site-menu nav a,
  .menu-toggle svg,
  .hero-action {
    transition: none;
  }

  .film,
  .is-lite .film {
    height: 100svh;
    min-height: 42rem;
  }

  .film-video,
  .film-beats,
  .film-progress,
  .scroll-cue,
  .film-status,
  .next-chapter {
    display: none;
  }

  .machine-studies {
    height: auto;
  }

  .studies-sticky {
    position: relative;
    height: auto;
    min-height: 0;
    overflow: visible;
  }

  .studies-heading {
    position: relative;
    top: auto;
    right: auto;
    left: auto;
    padding: 8rem var(--experience-gutter) 4rem;
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }

  .studies-scenes {
    position: relative;
    display: grid;
  }

  .study-scene {
    position: relative;
    height: min(88svh, 55rem);
    opacity: 1 !important;
    transform: none !important;
  }

  .study-scene img,
  .study-scene figcaption {
    opacity: 1 !important;
    transform: none !important;
  }

  .studies-rail,
  .studies-progress {
    display: none;
  }
}

.is-lite .film {
  height: 100svh;
  min-height: 42rem;
}

.is-lite .film-video,
.is-lite .film-beats,
.is-lite .film-progress,
.is-lite .scroll-cue,
.is-lite .film-status,
.is-lite .next-chapter {
  display: none;
}

.is-lite .machine-studies {
  height: auto;
}

.is-lite .studies-sticky {
  position: relative;
  height: auto;
  min-height: 0;
  overflow: visible;
}

.is-lite .studies-heading {
  position: relative;
  top: auto;
  right: auto;
  left: auto;
  padding: 8rem var(--experience-gutter) 4rem;
  opacity: 1 !important;
  transform: none !important;
  filter: none !important;
}

.is-lite .studies-scenes {
  position: relative;
  display: grid;
}

.is-lite .study-scene {
  position: relative;
  height: min(88svh, 55rem);
  opacity: 1 !important;
  transform: none !important;
}

.is-lite .study-scene img,
.is-lite .study-scene figcaption {
  opacity: 1 !important;
  transform: none !important;
}

.is-lite .studies-rail,
.is-lite .studies-progress {
  display: none;
}

@media (max-width: 760px) and (prefers-reduced-motion: reduce) {
  .studies-heading {
    padding: 6.5rem 1.25rem 3rem;
  }

  .study-scene {
    height: 92svh;
  }
}

@media (max-width: 760px) {
  .is-lite .studies-heading {
    padding: 6.5rem 1.25rem 3rem;
  }

  .is-lite .study-scene {
    height: 92svh;
  }
}