:root {
  color-scheme: dark;
  --graphite-top: #363638;
  --graphite-middle: #1b1b1c;
  --graphite-bottom: #080808;
  --violet: #a95cff;
  font-family: Arial, Helvetica, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-block-size: 100%;
}

html {
  background: var(--graphite-bottom);
  scroll-behavior: auto;
}

body {
  overflow-x: hidden;
  background: var(--graphite-bottom);
  color: #fff;
}

main {
  overflow: clip;
}

button {
  font: inherit;
}

.film-track {
  position: relative;
  block-size: 520vh;
  block-size: 520svh;
}

.no-js .film-track,
.film-track.film-unavailable {
  block-size: 100vh;
  block-size: 100svh;
}

.no-js .film-stage,
.film-track.film-unavailable .film-stage {
  position: relative;
}

.film-track:not(.film-ready) .scene--static {
  opacity: 1;
}

.film-track:not(.film-ready) .scene--film,
.film-track:not(.film-ready) .chapter-nav,
.film-track:not(.film-ready) .chapters,
.film-track:not(.film-ready) .scroll-cue {
  opacity: 0;
  pointer-events: none;
}

.film-stage {
  position: sticky;
  inset-block-start: 0;
  inline-size: 100%;
  block-size: 100vh;
  block-size: 100svh;
  overflow: hidden;
  isolation: isolate;
  background: var(--graphite-bottom);
}

.scene {
  position: absolute;
  inset: 0;
  inline-size: 100%;
  block-size: 100%;
}

.scene--static {
  z-index: 2;
  display: grid;
  place-items: center;
  opacity: var(--static-opacity, 1);
  background:
    radial-gradient(ellipse 82% 44% at 58% 0%, #5a5a5c 0%, #363638 39%, transparent 73%),
    linear-gradient(180deg, var(--graphite-top) 0%, var(--graphite-middle) 47%, var(--graphite-bottom) 100%);
  will-change: opacity;
}

.scene--static::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgb(255 255 255 / 0.016) 0,
    rgb(255 255 255 / 0.016) 0.075rem,
    rgb(0 0 0 / 0.018) 0.075rem,
    rgb(0 0 0 / 0.018) 0.15rem
  );
}

.hero-product {
  display: block;
  inline-size: min(100%, 100svh);
  block-size: auto;
  max-inline-size: none;
  max-block-size: 100svh;
  object-fit: contain;
  object-position: center;
}

.scene--film {
  z-index: 1;
  display: block;
  object-fit: cover;
  object-position: center;
  opacity: var(--film-opacity, 0);
  background: var(--graphite-bottom);
  will-change: opacity;
}

.chapter-nav {
  position: absolute;
  z-index: 5;
  inset-block-start: 4.2%;
  inset-inline: 4.4%;
  display: flex;
  justify-content: space-between;
  gap: 2vw;
  opacity: var(--interface-opacity, 0);
  pointer-events: var(--interface-events, none);
}

.chapter-nav::before {
  content: "DEVIL / EYE";
  margin-inline-end: auto;
  color: rgb(255 255 255 / 0.88);
  font-size: clamp(0.58rem, 0.57vw, 0.75rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  line-height: 1;
}

.chapter-nav button {
  position: relative;
  appearance: none;
  border: 0;
  padding: 0 0 0.55em;
  background: transparent;
  color: rgb(255 255 255 / 0.42);
  cursor: pointer;
  font-size: clamp(0.55rem, 0.52vw, 0.7rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1;
}

.chapter-nav button::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  block-size: 0.08rem;
  background: var(--violet);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.chapter-nav button[aria-current="step"] {
  color: #fff;
}

.chapter-nav button[aria-current="step"]::after {
  transform: scaleX(1);
}

.chapter-nav button:focus-visible {
  outline: 0.12rem solid var(--violet);
  outline-offset: 0.45rem;
}

.chapters {
  position: absolute;
  z-index: 4;
  inset: 0;
  pointer-events: none;
}

.chapter {
  position: absolute;
  inset-inline-start: 5.2%;
  inset-block-end: 8.4%;
  max-inline-size: min(31rem, 45vw);
  opacity: var(--chapter-opacity, 0);
  transform: translate3d(0, calc((1 - var(--chapter-opacity, 0)) * 1.4rem), 0);
  will-change: opacity, transform;
}

.chapter__index {
  margin: 0 0 0.85em;
  color: var(--violet);
  font-size: clamp(0.58rem, 0.62vw, 0.82rem);
  font-weight: 700;
  letter-spacing: 0.22em;
}

.chapter h2 {
  margin: 0;
  color: #fff;
  font-size: clamp(1.8rem, 3.35vw, 4.3rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.94;
  text-shadow: 0 0.08em 0.5em rgb(0 0 0 / 0.48);
}

.scroll-cue {
  position: absolute;
  z-index: 5;
  inset-inline-end: 4.4%;
  inset-block-end: 5.2%;
  margin: 0;
  color: rgb(255 255 255 / 0.52);
  font-size: clamp(0.5rem, 0.48vw, 0.66rem);
  font-weight: 700;
  letter-spacing: 0.22em;
  opacity: var(--cue-opacity, 0);
  writing-mode: vertical-rl;
}

@media (orientation: portrait) {
  .hero-product {
    inline-size: 100%;
    max-block-size: none;
  }

  .chapter-nav {
    inset-inline: 5%;
    gap: 3vw;
  }

  .chapter {
    inset-inline: 7%;
    inset-block-end: 9%;
    max-inline-size: 80%;
  }

  .scroll-cue {
    display: none;
  }
}

@media (max-width: 44rem) {
  .chapter-nav::before {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .film-track {
    block-size: auto;
  }

  .film-stage {
    position: relative;
    block-size: auto;
    overflow: visible;
  }

  .scene--film,
  .chapter-nav,
  .scroll-cue {
    display: none;
  }

  .scene--static {
    position: relative;
    min-block-size: 100vh;
    min-block-size: 100svh;
    opacity: 1;
  }

  .chapters {
    position: relative;
    display: grid;
    padding: 8vh 7vw;
    gap: 12vh;
    background: var(--graphite-bottom);
  }

  .chapter {
    position: relative;
    inset: auto;
    max-inline-size: 42rem;
    opacity: 1;
    transform: none;
  }
}

.series-section,
.construction-section,
.fitment-section {
  position: relative;
  isolation: isolate;
  inline-size: 100%;
}

.series-section {
  padding: clamp(5rem, 11vw, 11rem) 4.4vw clamp(6rem, 12vw, 12rem);
  background:
    radial-gradient(circle at 82% 8%, rgb(169 92 255 / 0.12), transparent 27%),
    #080808;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(13rem, 0.45fr);
  align-items: end;
  column-gap: 6vw;
  margin-block-end: clamp(3rem, 6vw, 6rem);
}

.eyebrow {
  grid-column: 1 / -1;
  margin: 0 0 1.8em;
  color: var(--violet);
  font-size: clamp(0.6rem, 0.62vw, 0.82rem);
  font-weight: 700;
  letter-spacing: 0.23em;
}

.section-heading h1,
.construction-copy h2,
.fitment-copy h2 {
  margin: 0;
  color: #f7f7f5;
  font-size: clamp(3.8rem, 8.5vw, 10.8rem);
  font-weight: 500;
  letter-spacing: -0.072em;
  line-height: 0.77;
}

.section-heading h1 span,
.construction-copy h2 span,
.fitment-copy h2 span {
  color: rgb(255 255 255 / 0.22);
}

.section-intro,
.construction-copy > p:not(.eyebrow),
.fitment-copy > p:not(.eyebrow) {
  max-inline-size: 25ch;
  margin: 0 0 0.4em;
  color: rgb(255 255 255 / 0.56);
  font-size: clamp(0.9rem, 1.2vw, 1.35rem);
  line-height: 1.45;
}

.colorway-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.2vw;
}

.colorway {
  --accent: var(--violet);
  grid-column: span 4;
  margin: 0;
}

.colorway--blue {
  --accent: #54b9ff;
}

.colorway--green {
  --accent: #7de04b;
  transform: translateY(8.5%);
}

.colorway__visual {
  position: relative;
  overflow: hidden;
  aspect-ratio: 0.82;
  border-block-start: 0.08rem solid rgb(255 255 255 / 0.24);
  background: #101011;
}

.colorway__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 0.08rem solid rgb(255 255 255 / 0.06);
  pointer-events: none;
}

.colorway img {
  display: block;
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  object-position: center;
}

.colorway figcaption {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 1em;
  padding-block: 1.2rem;
  border-block-end: 0.08rem solid rgb(255 255 255 / 0.18);
  text-transform: uppercase;
}

.colorway__number,
.colorway__signal {
  color: rgb(255 255 255 / 0.38);
  font-size: clamp(0.52rem, 0.55vw, 0.7rem);
  font-weight: 700;
  letter-spacing: 0.18em;
}

.colorway__number {
  color: var(--accent);
}

.colorway__name {
  font-size: clamp(0.78rem, 0.95vw, 1.12rem);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.construction-section {
  display: grid;
  grid-template-columns: minmax(18rem, 0.68fr) minmax(0, 1.32fr);
  align-items: center;
  min-block-size: 100svh;
  padding: 10vh 4.4vw;
  gap: 6vw;
  background:
    linear-gradient(90deg, #0a0a0b 0 39%, transparent 58%),
    linear-gradient(180deg, #171719 0%, #0a0a0b 100%);
}

.construction-copy {
  position: relative;
  z-index: 2;
}

.construction-copy h2 {
  margin-block-end: 0.32em;
  font-size: clamp(3rem, 5.9vw, 7.4rem);
  line-height: 0.84;
}

.construction-copy > p:not(.eyebrow) {
  margin-block-end: clamp(2.6rem, 5vw, 5.5rem);
}

.spec-list {
  margin: 0;
  border-block-start: 0.08rem solid rgb(255 255 255 / 0.2);
}

.spec-list div {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 2em;
  padding-block: 1.15em;
  border-block-end: 0.08rem solid rgb(255 255 255 / 0.14);
}

.spec-list dt,
.spec-list dd {
  margin: 0;
}

.spec-list dt {
  color: rgb(255 255 255 / 0.44);
  font-size: clamp(0.56rem, 0.62vw, 0.78rem);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.spec-list dd {
  color: #f5f5f3;
  font-size: clamp(0.78rem, 1vw, 1.1rem);
}

.construction-visual {
  position: relative;
  margin: 0;
}

.construction-visual::before {
  content: "";
  position: absolute;
  z-index: -1;
  inline-size: 62%;
  aspect-ratio: 1;
  inset: 50% auto auto 48%;
  border: 0.08rem solid rgb(169 92 255 / 0.28);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 7rem rgb(169 92 255 / 0.1);
}

.construction-visual img {
  display: block;
  inline-size: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 0.08rem solid rgb(255 255 255 / 0.1);
}

.construction-visual figcaption {
  position: absolute;
  inset-inline-end: 0;
  inset-block-end: -2.5em;
  color: rgb(255 255 255 / 0.36);
  font-size: clamp(0.5rem, 0.52vw, 0.66rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.fitment-section {
  display: grid;
  place-items: center;
  min-block-size: 92svh;
  padding: 12vh 5vw;
  overflow: hidden;
  background:
    radial-gradient(circle at center, #2f2138 0%, #151217 34%, #080808 71%);
}

.fitment-orbit {
  position: absolute;
  inset: 50% auto auto 50%;
  inline-size: min(64vw, 92svh);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
}

.fitment-orbit span {
  position: absolute;
  inset: 0;
  border: 0.08rem solid rgb(255 255 255 / 0.09);
  border-radius: 50%;
}

.fitment-orbit span:nth-child(2) {
  inset: 14%;
  border-color: rgb(169 92 255 / 0.22);
}

.fitment-orbit span:nth-child(3) {
  inset: 29%;
  background: radial-gradient(circle, rgb(169 92 255 / 0.22), transparent 68%);
  border-color: rgb(255 255 255 / 0.15);
}

.fitment-copy {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  text-align: center;
}

.fitment-copy h2 {
  font-size: clamp(4rem, 8.2vw, 10.2rem);
  line-height: 0.8;
}

.fitment-copy > p:not(.eyebrow) {
  margin-block: 2.6em 0;
}

.fitment-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
  margin-block-start: 2.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-inline-size: 12rem;
  padding: 1.1em 1.6em;
  border: 0.08rem solid rgb(255 255 255 / 0.24);
  color: #fff;
  font-size: clamp(0.62rem, 0.64vw, 0.8rem);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-decoration: none;
  text-transform: uppercase;
}

.button--primary {
  border-color: var(--violet);
  background: var(--violet);
  color: #09080a;
}

.button--quiet {
  background: rgb(255 255 255 / 0.025);
}

.button:focus-visible {
  outline: 0.12rem solid #fff;
  outline-offset: 0.35rem;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 4vw;
  padding: 2.5rem 4.4vw;
  border-block-start: 0.08rem solid rgb(255 255 255 / 0.12);
  background: #080808;
  color: rgb(255 255 255 / 0.38);
  font-size: clamp(0.52rem, 0.55vw, 0.7rem);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-footer p {
  margin: 0;
}

.footer-mark {
  color: #fff;
  letter-spacing: 0.2em;
  text-decoration: none;
}

.footer-link {
  color: inherit;
  text-decoration: none;
}

.footer-link:hover,
.footer-link:focus-visible {
  color: #fff;
}

@media (max-width: 60rem) {
  .section-heading {
    grid-template-columns: 1fr;
    row-gap: 2rem;
  }

  .colorway-grid {
    gap: 2.2vw;
  }

  .colorway {
    grid-column: span 6;
  }

  .colorway--green {
    transform: none;
  }

  .colorway--purple {
    grid-column-start: 4;
  }

  .construction-section {
    grid-template-columns: 1fr;
    padding-block: 12vh;
  }

  .construction-copy {
    max-inline-size: 42rem;
  }
}

@media (max-width: 40rem) {
  .series-section {
    padding-inline: 5vw;
  }

  .colorway-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .colorway,
  .colorway--purple {
    grid-column: auto;
  }

  .colorway__visual {
    aspect-ratio: 1;
  }

  .construction-section {
    grid-template-columns: minmax(0, 1fr);
  }

  .construction-visual {
    margin-inline: -4.4vw;
  }

  .construction-visual figcaption {
    inset-inline-end: 4.4vw;
  }

  .fitment-actions {
    inline-size: 100%;
  }

  .button {
    inline-size: 100%;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}