:root {
  color-scheme: dark;
  --ink: #f4f7ff;
  --muted: #a9b5ca;
  --surface: #111827;
  --surface-raised: #182238;
  --line: #34415c;
  --cyan: #4fe0ff;
  --orange: #ff9c55;
  --page-inline: clamp(1.25rem, 5vw, 5rem);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.65;
  background: #070b14;
  color: var(--ink);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-block-size: 100dvh;
  background: radial-gradient(circle at 82% 5%, #173959 0, transparent 32rem), #070b14;
}

a {
  color: var(--cyan);
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-thickness: 0.15em;
}

a:focus-visible {
  outline: 0.2rem solid var(--orange);
  outline-offset: 0.25rem;
}

.skip-link {
  position: fixed;
  inset-block-start: 1rem;
  inset-inline-start: 1rem;
  z-index: 10;
  translate: 0 -200%;
  padding: 0.65rem 1rem;
  border-radius: 0.4rem;
  background: var(--ink);
  color: #070b14;
}

.skip-link:focus {
  translate: 0;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.25rem var(--page-inline);
  border-block-end: 0.0625rem solid var(--line);
}

.brand {
  color: var(--ink);
  font-weight: 750;
  letter-spacing: 0.06em;
  text-decoration: none;
}

nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

nav a {
  display: inline-flex;
  align-items: center;
  min-block-size: 2.75rem;
  color: var(--muted);
  text-decoration: none;
}

nav a[aria-current="page"], nav a:hover {
  color: var(--ink);
}

main {
  overflow-wrap: anywhere;
}

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  align-content: center;
  min-block-size: min(44rem, 78dvh);
  padding: clamp(4rem, 9vw, 8rem) var(--page-inline);
  overflow: hidden;
}

.hero h1, .document h1 {
  max-inline-size: 18ch;
  margin: 0;
  font-size: clamp(2.6rem, 1.5rem + 5vw, 6.5rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.eyebrow {
  margin-block: 0 1rem;
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.lede {
  max-inline-size: 42rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.35rem);
  text-wrap: pretty;
}

.release-status {
  inline-size: fit-content;
  margin-block-start: 1.5rem;
  padding: 0.65rem 1rem;
  border: 0.0625rem solid var(--line);
  border-radius: 999rem;
  color: var(--ink);
  background: color-mix(in oklab, var(--surface) 80%, transparent);
}

.fractal-mark {
  position: absolute;
  z-index: -1;
  inset-inline-end: max(-8rem, -8vw);
  inset-block-start: 50%;
  inline-size: clamp(18rem, 44vw, 42rem);
  aspect-ratio: 1;
  translate: 0 -50%;
  border: 0.0625rem solid color-mix(in oklab, var(--cyan) 32%, transparent);
  border-radius: 52% 48% 48% 52% / 45% 50% 50% 55%;
  background: radial-gradient(circle at 35% 50%, #070b14 0 8%, transparent 8.5%), radial-gradient(circle at 53% 35%, var(--cyan) 0 3%, transparent 3.5%), radial-gradient(circle at 53% 65%, var(--orange) 0 3%, transparent 3.5%), radial-gradient(circle at 52% 50%, #245c7a 0 25%, #10233a 25.5% 44%, transparent 44.5%);
  opacity: 0.72;
  filter: drop-shadow(0 0 3rem color-mix(in oklab, var(--cyan) 20%, transparent));
}

.content-section, .document {
  max-inline-size: 72rem;
  margin-inline: auto;
  padding: clamp(3.5rem, 7vw, 7rem) var(--page-inline);
}

.content-section h2, .document h2 {
  margin-block: 0 1rem;
  font-size: clamp(1.75rem, 1.4rem + 1.4vw, 2.75rem);
  line-height: 1.2;
  text-wrap: balance;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-block-start: 2rem;
}

.feature-grid article, .support-callout {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 0.0625rem solid var(--line);
  border-radius: 1rem;
  background: var(--surface);
}

.feature-grid h3 {
  margin-block: 0.25rem 0.5rem;
  font-size: 1.4rem;
}

.feature-grid p {
  margin-block-end: 0;
  color: var(--muted);
}

.feature-grid .step {
  margin: 0;
  color: var(--orange);
  font-family: ui-monospace, monospace;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: start;
}

.mode-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-block-start: 0.0625rem solid var(--line);
}

.mode-list li {
  display: grid;
  grid-template-columns: minmax(8rem, 0.5fr) 1fr;
  gap: 1rem;
  padding-block: 1.25rem;
  border-block-end: 0.0625rem solid var(--line);
}

.mode-list span, .document p, .document li {
  color: var(--muted);
  text-wrap: pretty;
}

.note {
  border-block: 0.0625rem solid var(--line);
}

.text-link {
  display: inline-flex;
  min-block-size: 2.75rem;
  align-items: center;
  font-weight: 700;
}

.document {
  max-inline-size: 52rem;
}

.document h1 {
  max-inline-size: none;
  font-size: clamp(2.4rem, 1.7rem + 3vw, 4.5rem);
}

.document h2 {
  margin-block-start: 3.5rem;
  font-size: clamp(1.4rem, 1.2rem + 0.8vw, 2rem);
}

.document h3 {
  margin-block: 2.25rem 0.5rem;
}

.updated {
  margin-block-end: 3rem;
  font-size: 0.9rem;
}

.support-callout {
  margin-block: 2.5rem 4rem;
}

.support-callout h2 {
  margin-block-start: 0;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem var(--page-inline);
  border-block-start: 0.0625rem solid var(--line);
  color: var(--muted);
}

@media (max-width: 48rem) {
  .site-header, footer {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .fractal-mark {
    opacity: 0.38;
  }
}

@media (max-width: 30rem) {
  .mode-list li {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

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

@media (forced-colors: active) {
  .fractal-mark {
    display: none;
  }

  .feature-grid article, .support-callout, .release-status {
    border-color: CanvasText;
  }
}