:root {
  color-scheme: dark;
  --ink: #fbfaf7;
  --muted: rgba(251, 250, 247, 0.68);
  --quiet: #3e3b48;
  --quiet-deep: #111016;
  --quiet-line: rgba(255, 255, 255, 0.13);
  --accent: #d7f6dd;
  --blue: #a9c7ff;
  --radius: 8px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial,
    sans-serif;
  background: var(--quiet-deep);
  color: var(--ink);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 50% -10%, rgba(169, 199, 255, 0.14), transparent 36rem),
    linear-gradient(180deg, #0c0b10 0%, #15131a 48%, #0f1012 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  overflow: hidden;
}

.hero {
  position: relative;
  min-height: 960px;
  padding: 24px;
  display: grid;
  grid-template-rows: auto 1fr;
  isolation: isolate;
}

.silk-canvas,
.hero-vignette {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.silk-canvas {
  z-index: -3;
  background: var(--quiet);
}

.hero-vignette {
  z-index: -2;
  background:
    radial-gradient(circle at 50% 39%, rgba(255, 255, 255, 0.11), transparent 17rem),
    radial-gradient(circle at 78% 18%, rgba(215, 246, 221, 0.16), transparent 22rem),
    linear-gradient(180deg, rgba(8, 8, 12, 0.18), rgba(8, 8, 12, 0.46) 75%, #111016 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.07);
}

.top-nav {
  width: min(1120px, calc(100vw - 48px));
  height: 64px;
  margin: 0 auto;
  padding: 0 10px 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  background: rgba(17, 16, 22, 0.46);
  box-shadow:
    0 24px 70px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(24px) saturate(1.35);
  -webkit-backdrop-filter: blur(24px) saturate(1.35);
}

.brand,
.nav-actions,
.nav-links,
.hero-actions,
.download-band {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
}

.brand img {
  width: 30px;
  height: 30px;
  border-radius: 7px;
}

.nav-links {
  gap: 28px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
  font-weight: 600;
}

.nav-links a:hover {
  color: white;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 20px;
  border-radius: 12px;
  background: #fff;
  color: #17151d;
  font-weight: 750;
}

.nav-actions {
  gap: 10px;
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.055);
  color: rgba(255, 255, 255, 0.74);
  font: inherit;
  font-size: 12px;
  font-weight: 780;
  cursor: pointer;
  transition:
    color 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.language-toggle:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.09);
}

.language-toggle:focus-visible,
.button:focus-visible,
.nav-cta:focus-visible {
  outline: 2px solid rgba(215, 246, 221, 0.8);
  outline-offset: 3px;
}

.hero-content {
  width: min(760px, calc(100vw - 48px));
  margin: 12vh auto 0;
  text-align: center;
  align-self: start;
}

.release-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 6px 18px 6px 6px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(17, 16, 22, 0.52);
  color: rgba(255, 255, 255, 0.64);
  font-size: 14px;
  font-weight: 650;
  backdrop-filter: blur(18px) saturate(1.25);
  -webkit-backdrop-filter: blur(18px) saturate(1.25);
}

.release-pill span {
  border-radius: 999px;
  padding: 5px 12px;
  background: white;
  color: #15131a;
  text-transform: uppercase;
}

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

h1 {
  margin-top: 34px;
  font-size: clamp(4.25rem, 12vw, 9.5rem);
  line-height: 0.9;
  font-weight: 780;
  letter-spacing: 0;
  text-shadow: 0 18px 60px rgba(0, 0, 0, 0.45);
}

.hero-copy {
  max-width: 620px;
  margin: 28px auto 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.65;
  text-shadow: 0 12px 32px rgba(0, 0, 0, 0.48);
}

.hero-actions {
  justify-content: center;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 14px;
  font-weight: 760;
  font-size: 15px;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: #fff;
  color: #15131a;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.22);
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.13);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.section-band {
  padding: 410px 24px 96px;
  background: #111016;
}

.hero-demo {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -320px;
  z-index: 3;
  padding: 0 24px;
}

.video-frame {
  width: min(960px, calc(100vw - 96px));
  margin: 0 auto;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.055);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  box-shadow:
    0 42px 110px rgba(0, 0, 0, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.11);
  backdrop-filter: blur(22px) saturate(1.18);
  -webkit-backdrop-filter: blur(22px) saturate(1.18);
}

.video-frame video {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 20px;
  background: #08070b;
  object-fit: cover;
}

.section-heading,
.feature-grid,
.download-band {
  width: min(1120px, calc(100vw - 48px));
  margin: 0 auto;
}

.section-heading span,
.download-band span {
  color: var(--accent);
  font-size: 13px;
  font-weight: 760;
  text-transform: uppercase;
}

.section-heading h2,
.download-band h2 {
  max-width: 760px;
  margin-top: 14px;
  font-size: clamp(2.35rem, 5vw, 5rem);
  line-height: 1.02;
  font-weight: 760;
  letter-spacing: 0;
}

.feature-grid {
  margin-top: 54px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.feature-grid article {
  min-height: 240px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.025)),
    #17151d;
}

.feature-grid span {
  color: rgba(215, 246, 221, 0.72);
  font-size: 12px;
  font-weight: 800;
}

.feature-grid h3 {
  margin-top: 64px;
  font-size: 24px;
}

.feature-grid p {
  margin-top: 14px;
  color: var(--muted);
  line-height: 1.65;
}

.download-band {
  margin-bottom: 28px;
  padding: 44px;
  justify-content: space-between;
  gap: 28px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background:
    radial-gradient(circle at 16% 0%, rgba(215, 246, 221, 0.12), transparent 20rem),
    linear-gradient(135deg, rgba(62, 59, 72, 0.62), rgba(17, 16, 22, 0.96));
}

.download-band h2 {
  max-width: 700px;
  font-size: clamp(2rem, 4vw, 4.2rem);
}

@media (max-width: 780px) {
  .hero {
    min-height: 820px;
    padding: 16px;
  }

  .top-nav {
    width: calc(100vw - 32px);
  }

  .nav-links {
    display: none;
  }

  .nav-cta {
    height: 38px;
    padding: 0 14px;
  }

  .nav-actions {
    gap: 8px;
  }

  .language-toggle {
    width: 40px;
    height: 38px;
  }

  .hero-content {
    width: calc(100vw - 32px);
    margin-top: 12vh;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: min(320px, 100%);
  }

  .section-band {
    padding: 220px 24px 78px;
  }

  .hero-demo {
    bottom: -160px;
    padding: 0 16px;
  }

  .video-frame {
    width: calc(100vw - 48px);
    padding: 6px;
    border-radius: 18px;
  }

  .video-frame video {
    border-radius: 13px;
  }

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

  .download-band {
    flex-direction: column;
    align-items: flex-start;
    padding: 30px;
  }

}

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

  .button {
    transition: none;
  }
}