:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #666666;
  --line: #e8e8e8;
  --soft: #f7f7f5;
  --accent: #0b0b0b;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 14px clamp(20px, 5vw, 56px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.2rem;
  font-weight: 800;
  text-decoration: none;
}

.brand-logo {
  width: 48px;
  height: 48px;
}

.footer-logo {
  width: 42px;
  height: 42px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  color: #333333;
  font-size: 0.94rem;
  font-weight: 650;
}

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

.site-nav a:hover {
  color: #000000;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: #111111;
}

.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(72px, 10vw, 128px) clamp(20px, 5vw, 56px);
  scroll-margin-top: 88px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(280px, 0.97fr);
  align-items: center;
  gap: clamp(40px, 7vw, 88px);
  min-height: calc(100vh - 72px);
}

.hero-content {
  max-width: 690px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 24px;
  font-size: clamp(3rem, 7vw, 6.7rem);
  line-height: 0.95;
  letter-spacing: 0;
  overflow-wrap: normal;
  word-break: normal;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4.4vw, 4.2rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.15rem;
  line-height: 1.2;
}

.hero-subtitle {
  max-width: 560px;
  margin-bottom: 32px;
  color: #3d3d3d;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 750;
  text-decoration: none;
}

.button:hover,
.button:focus-visible {
  background: #333333;
}

.hero-visual {
  display: grid;
  place-items: center;
  transform: translate(clamp(0px, 8vw, 200px), clamp(-120px, -6vw, -48px));
}

.hero-visual img {
  width: min(100%, 520px);
  filter: drop-shadow(0 26px 44px rgba(0, 0, 0, 0.12));
}

.section-heading {
  max-width: 790px;
  margin-bottom: 42px;
}

.section-heading.centered,
.section-summary {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-summary {
  max-width: 680px;
  color: #333333;
  font-size: 1.1rem;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  color: #333333;
  font-size: 1.08rem;
}

.soft {
  max-width: none;
  background: var(--soft);
}

.soft > * {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.app-card {
  display: flex;
  flex-direction: column;
  padding: 22px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.app-card img {
  width: 86px;
  height: 86px;
  margin-bottom: 22px;
  border-radius: 22px;
  object-fit: cover;
}

.app-card p {
  flex: 1;
  color: var(--muted);
}

.app-card a,
.feature-card a,
.text-link {
  color: #111111;
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.card-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.card-links .secondary-link,
.secondary-link {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration-thickness: 1px;
}

.feature-card .secondary-link {
  color: #b8b8b8;
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
}

.approach-grid > div {
  padding-top: 24px;
  border-top: 2px solid #111111;
}

.step {
  display: block;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 800;
}

.dark {
  max-width: none;
  background: #111111;
  color: #ffffff;
}

.dark > * {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

.dark .eyebrow,
.dark p {
  color: #cfcfcf;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.feature-card {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 20px;
  align-items: center;
  padding: 22px;
  border: 1px solid #333333;
  border-radius: 8px;
  background: #191919;
}

.feature-card img {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  object-fit: cover;
}

.feature-card a {
  color: #ffffff;
}

.store-badges {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.store-badge {
  display: inline-flex;
  width: 135px;
  height: 40px;
  line-height: 0;
}

.store-badge img {
  width: 100%;
  height: 100%;
  border-radius: 0;
  object-fit: contain;
}

.google-play-badge {
  width: 135px;
}

.arvr-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 40px;
  border: 1px solid #4b4b4b;
  border-radius: 8px;
  color: #ffffff;
  background: #242424;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1.48rem;
  font-weight: 400;
  line-height: 1;
  text-decoration: none;
}

.arvr-link span {
  transform: translateY(-1px);
}

.privacy {
  text-align: center;
}

.privacy .section-heading {
  margin-left: auto;
  margin-right: auto;
}

.privacy p {
  max-width: 640px;
  margin: 0 auto 20px;
  color: var(--muted);
}

.privacy-link-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 22px;
  max-width: 720px;
  margin: 0 auto;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px clamp(20px, 5vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer > div:first-child {
  display: flex;
  align-items: center;
  gap: 14px;
}

.site-footer p {
  margin: 0;
}

.social-links {
  display: flex;
  gap: 10px;
}

.social-links a {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: #111111;
}

.social-links img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 20px 18px;
    background: #ffffff;
    border-bottom: 1px solid var(--line);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 12px 0;
  }

  .hero,
  .split,
  .app-grid,
  .approach-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 72px;
  }

  .hero-visual {
    transform: none;
  }
}

@media (max-width: 560px) {
  .site-header {
    min-height: 64px;
  }

  .site-nav {
    top: 64px;
  }

  .brand span {
    font-size: 1rem;
  }

  .brand-logo {
    width: 36px;
    height: 36px;
  }

  h1 {
    font-size: 3rem;
  }

  .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .feature-card {
    grid-template-columns: 72px 1fr;
  }

  .feature-card img {
    width: 72px;
    height: 72px;
    border-radius: 18px;
  }

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

}

.policy-page {
  min-height: 100vh;
  background: #ffffff;
}

.policy-header {
  max-width: 860px;
  margin: 0 auto;
  padding: 28px clamp(20px, 5vw, 56px);
}

.policy-header .brand {
  width: fit-content;
}

.policy-main {
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(48px, 8vw, 96px) clamp(20px, 5vw, 56px);
}

.policy-main h1 {
  margin-bottom: 10px;
  font-size: clamp(2.6rem, 6vw, 5.2rem);
}

.policy-main h2 {
  margin-top: 42px;
  margin-bottom: 10px;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.15;
}

.policy-updated {
  color: var(--muted);
  font-weight: 700;
}

.policy-summary {
  margin: 34px 0 8px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  color: #222222;
  font-size: 1.08rem;
}

.policy-main p {
  color: #444444;
}

.policy-list {
  margin: 0;
  padding-left: 22px;
  color: #444444;
}

.policy-list li + li {
  margin-top: 8px;
}

.policy-home {
  display: inline-flex;
  margin-top: 36px;
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}
