@font-face {
  font-family: Manrope;
  src: url("fonts/manrope-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
}

:root {
  --bg: #050506;
  --ink: #fbfbff;
  --muted: #a9aab5;
  --soft: #d7d9e5;
  --line: rgba(255, 255, 255, .13);
  --cyan: #00ffcc;
  --magenta: #ff007f;
  --violet: #8e38ff;
  --yellow: #ffe600;
  --panel: rgba(255, 255, 255, .045);
  --max: 1160px;
  --header: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, .022) 1px, transparent 1px),
    linear-gradient(145deg, #050506 0%, #09070d 48%, #060609 100%);
  background-size: 72px 72px, 72px 72px, auto;
  color: var(--ink);
  font-family: Manrope, system-ui, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
}

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

button {
  font: inherit;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 8px;
  background: #fff;
  color: #070708;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: none;
}

.wrap {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid transparent;
  background: rgba(5, 5, 6, .78);
  backdrop-filter: blur(18px);
}

.nav.scrolled {
  border-color: var(--line);
}

.nav__inner {
  height: var(--header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 800;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  box-shadow: 0 0 22px rgba(0, 255, 204, .2);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: .88rem;
  font-weight: 800;
}

.nav__links a {
  text-decoration: none;
}

.nav__links a:hover {
  color: #fff;
}

.language-switch {
  display: flex;
  align-items: center;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .035);
}

.language-switch .lang {
  min-width: 34px;
  padding: 4px 8px;
  border-radius: 999px;
  text-align: center;
  font-size: .72rem;
  line-height: 1.1;
}

.language-switch .lang.is-current {
  color: #030304;
  background: var(--cyan);
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 21px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 800;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, .04);
}

.button--primary {
  color: #030304;
  background: linear-gradient(100deg, var(--cyan), #54a0ff 48%, var(--magenta));
  box-shadow: 0 16px 34px rgba(0, 255, 204, .12), 0 16px 34px rgba(255, 0, 127, .1);
}

.hero {
  position: relative;
  min-height: calc(92svh - var(--header));
  display: grid;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(110deg, rgba(0, 255, 204, .12), transparent 36%),
    linear-gradient(250deg, rgba(255, 0, 127, .12), transparent 36%),
    #050506;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0 24%, rgba(0, 255, 204, .11) 24.2%, transparent 24.5%),
    linear-gradient(90deg, transparent 0 72%, rgba(255, 0, 127, .12) 72.2%, transparent 72.5%);
  opacity: .55;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(420px, .9fr);
  align-items: center;
  gap: 58px;
  padding: 62px 0 70px;
}

.hero__copy {
  max-width: 660px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.hero h1 {
  margin-bottom: 14px;
  font-size: 6.2rem;
  line-height: .9;
  letter-spacing: 0;
  text-transform: uppercase;
  text-shadow: 0 0 22px rgba(0, 255, 204, .28), 0 0 44px rgba(255, 0, 127, .22);
}

.hero__headline {
  max-width: 600px;
  margin-bottom: 18px;
  color: #fff;
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1.25;
}

.hero__lede {
  max-width: 600px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 1.04rem;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.play-badge {
  display: inline-block;
  width: 194px;
  line-height: 0;
  border-radius: 13px;
  filter: drop-shadow(0 18px 30px rgba(0, 0, 0, .35));
  transition: transform .22s ease, filter .22s ease;
}

.play-badge:hover {
  transform: translateY(-3px);
  filter: drop-shadow(0 20px 30px rgba(0, 255, 204, .16));
}

.play-badge img {
  width: 100%;
  height: auto;
}

.play-badge--center {
  margin-inline: auto;
}

.hero__note {
  color: #c9c9d2;
  font-size: .86rem;
  font-weight: 700;
}

.hero__stage {
  position: relative;
  min-height: 690px;
  display: grid;
  place-items: center;
  perspective: 1100px;
}

.device {
  position: relative;
  margin: 0;
  width: min(310px, 82vw);
  aspect-ratio: 9 / 16;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .12), rgba(255, 255, 255, .02)),
    #070708;
  box-shadow:
    inset 0 0 0 2px rgba(0, 0, 0, .7),
    0 34px 70px rgba(0, 0, 0, .45),
    0 0 42px rgba(0, 255, 204, .12);
}

.device::before,
.device::after {
  content: "";
  position: absolute;
  z-index: 2;
  background: #050506;
}

.device::before {
  top: 8px;
  left: 50%;
  width: 86px;
  height: 22px;
  border-radius: 0 0 14px 14px;
  transform: translateX(-50%);
}

.device::after {
  right: -4px;
  top: 22%;
  width: 4px;
  height: 58px;
  border-radius: 0 5px 5px 0;
}

.device__speaker {
  position: absolute;
  z-index: 3;
  top: 15px;
  left: 50%;
  width: 36px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .22);
  transform: translateX(-50%);
}

.device img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 24px;
  background: #000;
}

.device--hero {
  z-index: 3;
  width: 332px;
  transform: rotateY(-5deg) rotateZ(1deg);
}

.device--back {
  position: absolute;
  z-index: 1;
  width: 248px;
  opacity: .78;
  filter: saturate(1.08) brightness(.9);
}

.device--left {
  left: 0;
  transform: translateY(54px) rotateZ(-9deg) rotateY(18deg);
}

.device--right {
  right: 0;
  transform: translateY(-18px) rotateZ(8deg) rotateY(-18deg);
}

.section {
  padding: 112px 0;
}

.section--line {
  border-top: 1px solid var(--line);
}

.section-copy-block h2 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: 4.3rem;
  line-height: .95;
  letter-spacing: 0;
}

.section-copy-block p:not(.eyebrow) {
  max-width: 660px;
  color: var(--muted);
  font-size: 1.05rem;
}

.section--physics {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(0, 255, 204, .07), transparent 38%),
    linear-gradient(270deg, rgba(255, 0, 127, .07), transparent 38%),
    rgba(255, 255, 255, .012);
}

.section--physics::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, .026) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, transparent, black 18%, black 82%, transparent);
}

.physics-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(330px, .72fr) minmax(0, .95fr);
  align-items: center;
  gap: clamp(54px, 8vw, 120px);
}

.physics-visual {
  position: relative;
  min-height: 620px;
  display: grid;
  place-items: center;
}

.physics-visual::before {
  content: "";
  position: absolute;
  width: 430px;
  max-width: 88vw;
  aspect-ratio: 1;
  border: 1px solid rgba(0, 255, 204, .12);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 255, 204, .15), rgba(255, 0, 127, .06) 48%, transparent 70%);
  box-shadow: 0 0 120px rgba(0, 255, 204, .08);
}

.device--physics {
  z-index: 2;
  width: min(292px, 78vw);
  transform: rotateZ(-3deg);
}

.physics-copy {
  min-width: 0;
}

.physics-copy .section-copy-block h2 {
  max-width: 760px;
  margin-bottom: 20px;
}

.physics-copy .section-copy-block p:not(.eyebrow) {
  max-width: 620px;
  margin-bottom: 34px;
}

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

.mechanic {
  min-height: 210px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  padding: 24px;
  background: rgba(5, 5, 6, .86);
}

.mechanic span {
  color: var(--yellow);
  font-size: .84rem;
  font-weight: 800;
}

.mechanic h3 {
  margin-bottom: 8px;
  font-size: 1.45rem;
  line-height: 1;
}

.mechanic p {
  margin-bottom: 0;
  color: var(--muted);
}

.feature-split {
  display: grid;
  grid-template-columns: minmax(380px, .95fr) minmax(0, .85fr);
  align-items: center;
  gap: 78px;
}

.device-row {
  min-height: 690px;
  position: relative;
  display: flex;
  align-items: center;
  gap: 24px;
}

.device--medium {
  width: 280px;
}

.device--offset {
  margin-top: 120px;
}

.signal-list {
  display: grid;
  gap: 20px;
  margin: 34px 0 0;
}

.signal-list div {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.signal-list dt {
  margin-bottom: 5px;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 800;
}

.signal-list dd {
  margin: 0;
  color: var(--muted);
}

.gallery-section {
  overflow: hidden;
}

.gallery-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
}

.gallery-heading h2 {
  max-width: 760px;
  margin: 0;
  font-size: 4.1rem;
  line-height: .96;
}

.gallery-controls {
  display: flex;
  gap: 10px;
}

.round-button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, .05);
  color: #fff;
  cursor: pointer;
}

.round-button:hover {
  border-color: rgba(0, 255, 204, .5);
  background: rgba(0, 255, 204, .1);
}

.gallery-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(260px, 22vw);
  gap: 26px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px max(20px, calc((100vw - var(--max)) / 2)) 24px;
  scrollbar-color: var(--cyan) transparent;
}

.gallery-device {
  width: 100%;
  scroll-snap-align: center;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(360px, .9fr);
  gap: 70px;
}

.faq-list details {
  border-top: 1px solid var(--line);
  padding: 24px 0;
}

.faq-list details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  list-style: none;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 800;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  color: var(--cyan);
  font-size: 1.35rem;
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list p {
  max-width: 640px;
  margin: 14px 0 0;
  color: var(--muted);
}

.closing {
  padding: 118px 0;
  text-align: center;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(0, 255, 204, .08), transparent 32%),
    linear-gradient(270deg, rgba(255, 0, 127, .1), transparent 32%);
}

.closing__inner {
  display: grid;
  justify-items: center;
}

.closing__inner > img {
  width: 96px;
  height: 96px;
  margin-bottom: 24px;
  border-radius: 24px;
  box-shadow: 0 0 32px rgba(0, 255, 204, .18), 0 0 42px rgba(255, 0, 127, .16);
}

.closing h2 {
  max-width: 850px;
  margin-bottom: 18px;
  font-size: 5rem;
  line-height: .95;
}

.closing p {
  max-width: 560px;
  margin-bottom: 30px;
  color: var(--muted);
}

.footer {
  padding: 30px 0 96px;
  border-top: 1px solid var(--line);
  color: #93949f;
  font-size: .84rem;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer__links {
  display: flex;
  gap: 20px;
}

.footer a:hover {
  color: #fff;
}

.sticky-download {
  position: fixed;
  z-index: 35;
  left: 16px;
  right: 16px;
  bottom: 16px;
  display: none;
  transform: translateY(140%);
  transition: transform .25s ease;
}

.sticky-download.show {
  transform: none;
}

.reveal {
  opacity: 1;
  transform: none;
}

.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .62s ease, transform .62s ease;
  transition-delay: var(--delay, 0ms);
}

.js .reveal.visible {
  opacity: 1;
  transform: none;
}

.js .hero .reveal {
  opacity: 1;
  transform: none;
  animation: hero-rise .7s ease both;
  animation-delay: var(--delay, 0ms);
}

@keyframes hero-rise {
  from {
    transform: translateY(14px);
  }
  to {
    transform: none;
  }
}

:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 4px;
}

@media (max-width: 1040px) {
  .hero h1 {
    font-size: 4.8rem;
  }

  .hero__inner,
  .physics-layout,
  .feature-split,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .hero__copy {
    max-width: 760px;
  }

  .hero__stage {
    min-height: 610px;
  }

  .device--left {
    left: 8%;
  }

  .device--right {
    right: 8%;
  }

  .device-row {
    justify-content: center;
    min-height: 620px;
  }

  .physics-layout {
    gap: 34px;
  }

  .physics-visual {
    order: 2;
    min-height: 560px;
  }

  .physics-copy {
    order: 1;
  }
}

@media (max-width: 760px) {
  :root {
    --header: 66px;
  }

  .wrap {
    width: min(calc(100% - 28px), var(--max));
  }

  .nav__links,
  .nav .button {
    display: none;
  }

  .brand img {
    width: 40px;
    height: 40px;
  }

  .hero {
    min-height: auto;
  }

  .hero__inner {
    padding: 44px 0 56px;
    gap: 28px;
    min-width: 0;
  }

  .hero__copy {
    width: calc(100vw - 28px);
    max-width: calc(100vw - 28px);
    min-width: 0;
    overflow: hidden;
  }

  .hero__copy > * {
    max-width: 100%;
    min-width: 0;
  }

  .hero h1 {
    font-size: 3.35rem;
    max-width: 7ch;
    line-height: .95;
  }

  .hero__headline {
    font-size: 1.22rem;
    width: 27ch;
  }

  .hero__lede {
    font-size: .98rem;
    width: 34ch;
  }

  .hero__stage {
    min-height: 520px;
  }

  .device--hero {
    width: min(292px, 76vw);
  }

  .device--back {
    width: min(214px, 56vw);
    opacity: .48;
  }

  .device--left {
    left: -4%;
  }

  .device--right {
    right: -4%;
  }

  .section {
    padding: 78px 0;
  }

  .section-copy-block h2,
  .gallery-heading h2,
  .closing h2 {
    font-size: 2.75rem;
  }

  .physics-layout,
  .feature-split,
  .faq-layout {
    gap: 42px;
  }

  .physics-visual {
    min-height: 470px;
  }

  .device--physics {
    width: min(260px, 72vw);
  }

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

  .mechanic {
    min-height: 0;
    padding: 22px;
  }

  .device-row {
    min-height: auto;
    align-items: flex-start;
    gap: 14px;
  }

  .device--medium {
    width: min(210px, 48vw);
  }

  .device--offset {
    margin-top: 58px;
  }

  .gallery-heading {
    align-items: start;
  }

  .gallery-controls {
    display: none;
  }

  .gallery-track {
    grid-auto-columns: 76%;
    gap: 16px;
  }

  .hero__actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .sticky-download {
    display: flex;
  }

  .sticky-download .button {
    width: 100%;
  }

  .footer__inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .hero h1 {
    font-size: 2.7rem;
  }

  .brand span {
    font-size: .95rem;
  }

  .device {
    padding: 9px;
    border-radius: 28px;
  }

  .device img {
    border-radius: 20px;
  }

  .device::before {
    width: 70px;
    height: 18px;
  }

  .section-copy-block h2,
  .gallery-heading h2,
  .closing h2 {
    font-size: 2.35rem;
  }
}

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

  *,
  *::before,
  *::after {
    transition: none !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}
