:root {
  color-scheme: dark;
  --bg: #020617;
  --panel: #09090b;
  --panel-soft: #18181b;
  --line: #27272a;
  --text: #fafafa;
  --muted: #a1a1aa;
  --quiet: #71717a;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --accent-text: #082f49;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #000;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

button {
  font: inherit;
}

.hero,
.section,
.band {
  padding-inline: clamp(1.5rem, 5vw, 5rem);
}

.hero {
  position: relative;
  top: 0;
  overflow: visible;
  padding-top: 2rem;
  padding-bottom: clamp(4rem, 8vw, 7rem);
  background: #000;
}

.hero-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(14, 165, 233, 0.24), transparent 38%),
    radial-gradient(circle at bottom left, rgba(59, 130, 246, 0.16), transparent 35%);
  pointer-events: none;
}

.nav,
.hero-grid,
.two-col,
.section > *,
.demo-grid,
.research-grid {
  position: relative;
  z-index: 1;
  width: min(100%, 78rem);
  margin-inline: auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
}

.brand-icon {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border-radius: 999px;
  overflow: hidden;
  background: #000;
}

.brand-icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.72);
  transform-origin: center;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  color: #d4d4d8;
  font-size: 0.92rem;
}

.nav-links a:hover {
  color: #fff;
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.75rem 1.35rem;
  cursor: pointer;
  font-weight: 700;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

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

.button-light {
  background: #fff;
  color: #000;
}

.button-primary {
  background: var(--accent-strong);
  color: #001018;
}

.button-ghost {
  border-color: #3f3f46;
  background: transparent;
  color: #fff;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.95fr);
  gap: clamp(3rem, 7vw, 5rem);
  align-items: center;
  padding-top: clamp(3.5rem, 7vw, 6rem);
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 1.25rem;
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.1);
  padding: 0.6rem 1rem;
  color: #bae6fd;
  font-size: 0.92rem;
}

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

h1 {
  max-width: 48rem;
  margin-bottom: 1.5rem;
  font-size: clamp(2.65rem, 5.2vw, 5.15rem);
  line-height: 1.02;
  letter-spacing: 0;
  overflow-wrap: normal;
  word-break: normal;
  hyphens: none;
}

h2 {
  margin-bottom: 1.25rem;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.8rem;
  font-size: 1.15rem;
}

.lead {
  max-width: 42rem;
  color: #d4d4d8;
  font-size: clamp(1.08rem, 2vw, 1.25rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.note {
  margin: 1rem 0 0;
  color: var(--quiet);
  font-size: 0.9rem;
}

.watch-wrap {
  position: relative;
  width: min(19.5rem, 100%);
  min-height: 27rem;
  margin-inline: auto;
  border-radius: 4rem;
  background: #09090b;
  padding: 1.25rem;
  box-shadow: 0 1.5rem 5rem rgba(0, 0, 0, 0.65);
  outline: 0.5rem solid #27272a;
  overflow: hidden;
}

.watch-crown {
  position: absolute;
  top: 7rem;
  right: -0.75rem;
  width: 0.75rem;
  height: 4rem;
  border-radius: 0 0.75rem 0.75rem 0;
  background: #3f3f46;
}

.watch-screen {
  height: 100%;
  min-height: 24.5rem;
  border: 1px solid #27272a;
  border-radius: 3rem;
  background: #000;
  padding: 1.25rem;
}

.watch-top,
.watch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.watch-top {
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.watch-top span:first-child {
  color: var(--accent);
  font-weight: 700;
}

.watch-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 1rem;
  border-radius: 999px;
  background: #18181b;
  padding: 0.25rem;
  text-align: center;
}

.watch-tabs span,
.watch-tabs strong {
  border-radius: 999px;
  padding: 0.6rem;
}

.watch-tabs strong {
  background: var(--accent-strong);
  color: #000;
}

.watch-label {
  margin-bottom: 0.7rem;
  color: #d4d4d8;
  font-size: 0.8rem;
}

.watch-row,
.watch-button {
  margin-bottom: 0.65rem;
  border-radius: 0.75rem;
  background: #27272a;
  padding: 0.9rem;
  font-size: 0.85rem;
}

.watch-button {
  text-align: center;
}

.watch-muted {
  background: #18181b;
}

.toggle {
  position: relative;
  width: 2.25rem;
  height: 1.25rem;
  border-radius: 999px;
  background: #22c55e;
}

.toggle::after {
  content: "";
  position: absolute;
  top: 0.15rem;
  right: 0.15rem;
  width: 0.95rem;
  height: 0.95rem;
  border-radius: 999px;
  background: #fff;
}

.band {
  border-block: 1px solid #18181b;
  background: #09090b;
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
}

.two-col,
.research-grid,
.demo-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.two-col p,
.demo-grid p,
.research-grid p {
  color: #d4d4d8;
  font-size: 1.08rem;
  line-height: 1.8;
}

.section {
  padding-top: clamp(4rem, 8vw, 6rem);
  padding-bottom: clamp(4rem, 8vw, 6rem);
}

.section-dark {
  background: #09090b;
}

.section-heading {
  margin-bottom: 2.5rem;
}

.section-heading h2 {
  max-width: 48rem;
}

.section-kicker {
  margin-bottom: 0.85rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.card-grid,
.mode-grid {
  display: grid;
  gap: 1rem;
}

.card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mode-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: #09090b;
  padding: 1.5rem;
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.26);
}

.card p,
.mode-card li {
  color: var(--muted);
  line-height: 1.65;
}

.card-icon {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  margin-bottom: 1.25rem;
  border-radius: 0.75rem;
  background: rgba(56, 189, 248, 0.1);
  color: #7dd3fc;
  font-weight: 800;
}

.mode-card {
  background: #000;
}

.pill {
  display: inline-flex;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.1);
  padding: 0.35rem 0.75rem;
  color: #7dd3fc;
  font-size: 0.9rem;
}

.mode-card h3 {
  margin-top: 1.4rem;
  font-size: 1.55rem;
}

.mode-card ul {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.mode-card li::before {
  content: "-";
  margin-right: 0.75rem;
  color: var(--accent);
}

.video-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: #09090b;
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.45);
  aspect-ratio: 16 / 9;
}

.video-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.research-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.research-list span {
  min-height: 5.5rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: #000;
  padding: 1.5rem;
  color: #d4d4d8;
  line-height: 1.5;
}

.waitlist {
  width: min(100%, 56rem);
  margin-inline: auto;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: linear-gradient(135deg, #09090b, #000);
  padding: clamp(2rem, 5vw, 3rem);
  text-align: center;
  box-shadow: 0 1.5rem 5rem rgba(0, 0, 0, 0.45);
}

.waitlist p:not(.section-kicker):not(.note) {
  max-width: 42rem;
  margin-inline: auto;
  color: #d4d4d8;
  line-height: 1.75;
}

.contact-actions {
  display: flex;
  max-width: 38rem;
  gap: 0.75rem;
  margin: 2rem auto 0;
  justify-content: center;
}

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

  .hero-grid,
  .two-col,
  .demo-grid,
  .research-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    overflow: hidden;
  }

  .hero-grid {
    align-content: center;
    gap: 1.5rem;
    padding-top: 1rem;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(2.5rem, 9vw, 4.35rem);
  }

  .lead {
    max-width: 38rem;
  }

  .card-grid,
  .mode-grid,
  .research-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .hero,
  .section,
  .band {
    padding-inline: 1.1rem;
  }

  .nav .button {
    display: none;
  }

  h1 {
    font-size: 2.45rem;
  }

  .lead {
    font-size: 0.98rem;
    line-height: 1.55;
  }

  .note {
    display: none;
  }

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

  .button {
    width: 100%;
  }

  .card-grid,
  .mode-grid,
  .research-list {
    grid-template-columns: 1fr;
  }

  .watch-wrap {
    width: min(15rem, 76vw);
    min-height: 20rem;
  }

  .watch-screen {
    min-height: 18rem;
    border-radius: 2.25rem;
    padding: 1rem;
  }
}

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