:root {
  color-scheme: dark light;
  --bg: #0b1020;
  --surface: #11182b;
  --surface-2: #172136;
  --text: #f4f7fb;
  --muted: #aeb7c8;
  --line: #29344a;
  --accent: #37d5ff;
  --accent-ink: #04131a;
  --focus: #f4f7fb;
  --radius: 16px;
  --max: 1240px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

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

.skip-link {
  position: fixed;
  left: 16px;
  top: -64px;
  z-index: 10;
  padding: 10px 14px;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 10px;
}

.skip-link:focus { top: 16px; }

.site-header {
  width: min(calc(100% - 40px), var(--max));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-weight: 760;
  letter-spacing: -0.035em;
  text-decoration: none;
}

.site-header nav,
footer nav {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.site-header nav a,
footer nav a,
.text-link {
  color: var(--muted);
  text-decoration: none;
}

.site-header nav a:hover,
footer nav a:hover,
.text-link:hover { color: var(--text); }

a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

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

.hero {
  min-height: calc(100dvh - 72px);
  padding: 72px 0;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  align-items: center;
  gap: clamp(36px, 6vw, 88px);
}

.hero-copy { max-width: 580px; }

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 12ch;
  margin-bottom: 24px;
  font-size: clamp(3.4rem, 7vw, 7rem);
  font-weight: 760;
  letter-spacing: -0.07em;
  line-height: 0.92;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.1rem, 4.8vw, 4.8rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.lede {
  max-width: 48ch;
  margin-bottom: 32px;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.24rem);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: 12px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 760;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 180ms ease, background-color 180ms ease;
}

.button:hover { background: #7fe5ff; transform: translateY(-1px); }
.button:active { transform: translateY(1px); }

.hero-visual { margin: 0; }

.hero-visual img,
.proof img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.proof {
  padding: 112px 0;
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(36px, 7vw, 100px);
  align-items: center;
  border-top: 1px solid var(--line);
}

.proof p,
.release-state p,
.legal-page p,
.legal-page li { color: var(--muted); max-width: 66ch; }

.capabilities { padding: 112px 0; }

.capability-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  border-top: 1px solid var(--line);
}

.capability-grid article {
  min-height: 190px;
  padding: 32px 32px 32px 0;
  border-bottom: 1px solid var(--line);
}

.capability-grid article:nth-child(even) { padding-left: 32px; }
.capability-grid p { max-width: 44ch; color: var(--muted); }

.release-state {
  margin-bottom: 112px;
  padding: 54px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  border-radius: var(--radius);
  background: var(--surface-2);
}

.release-state h2 { max-width: 13ch; }

footer {
  padding: 40px 0 54px;
  display: grid;
  grid-template-columns: 0.4fr 1.15fr 0.85fr;
  gap: 30px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

footer strong { color: var(--text); }
footer p { max-width: 52ch; }

.legal-page {
  min-height: calc(100dvh - 72px);
  padding: 72px 0 112px;
}

.legal-page header { max-width: 760px; margin-bottom: 64px; }
.legal-page h1 { max-width: 14ch; font-size: clamp(3rem, 6vw, 6rem); }
.legal-page h2 { margin-top: 56px; font-size: clamp(1.65rem, 3vw, 2.8rem); }
.legal-page ul { max-width: 68ch; padding-left: 22px; }
.legal-page code { color: var(--accent); }

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f7fb;
    --surface: #e9eef6;
    --surface-2: #dfe7f2;
    --text: #0b1020;
    --muted: #4b5870;
    --line: #c8d3e2;
    --accent: #007fa3;
    --accent-ink: #ffffff;
    --focus: #0b1020;
  }
}

@media (max-width: 780px) {
  .site-header {
    padding: 18px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header nav { gap: 16px; }

  .hero,
  .proof,
  footer {
    grid-template-columns: 1fr;
  }

  .hero { padding: 56px 0 80px; }
  h1 { font-size: clamp(3rem, 15vw, 5.2rem); }
  .proof,
  .capabilities { padding: 80px 0; }

  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid article,
  .capability-grid article:nth-child(even) { padding: 28px 0; }

  .release-state {
    padding: 32px;
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}