:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07111f;
  color: #f7fbff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top left, rgba(79, 140, 255, .24), transparent 34rem), #07111f;
}
a { color: inherit; }
code { color: #a9c9ff; }

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header,
.site-footer,
.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 28px 0;
}

.brand {
  font-weight: 800;
  letter-spacing: -.02em;
  text-decoration: none;
}

.site-nav,
.footer-links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.site-nav a,
.footer-links a {
  color: #b7c7dc;
  text-decoration: none;
  font-weight: 700;
}

.site-nav a:hover,
.footer-links a:hover {
  color: #f7fbff;
}

.shell {
  flex: 1;
  padding: 52px 0 56px;
}

.hero {
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  box-shadow: 0 20px 80px rgba(0,0,0,.24);
  border-radius: 28px;
  padding: clamp(28px, 6vw, 72px);
  backdrop-filter: blur(18px);
}

.eyebrow {
  margin: 0 0 16px;
  color: #8bb6ff;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
}

h1 {
  margin: 0;
  font-size: clamp(2.25rem, 7vw, 5.8rem);
  line-height: .94;
  letter-spacing: -.07em;
  max-width: 980px;
}

.lede {
  color: #cfdbec;
  font-size: clamp(1.05rem, 2vw, 1.32rem);
  max-width: 780px;
  line-height: 1.62;
  margin: 28px 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0;
}

button,
.button-link {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 800;
  font-size: 1rem;
  background: #f7fbff;
  color: #07111f;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

button.secondary {
  background: rgba(255,255,255,.12);
  color: #f7fbff;
  border: 1px solid rgba(255,255,255,.16);
}

pre {
  white-space: pre-wrap;
  overflow: auto;
  background: rgba(0,0,0,.32);
  color: #d8e7ff;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.1);
  padding: 18px;
  min-height: 74px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 18px;
}

article {
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.045);
  border-radius: 22px;
  padding: 24px;
}

article h2 { margin: 0 0 8px; }
article p { margin: 0; color: #b7c7dc; line-height: 1.55; }

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 28px 0 36px;
  color: #b7c7dc;
}

.site-footer strong { color: #f7fbff; }
.site-footer p { margin: 8px 0 0; max-width: 560px; line-height: 1.55; }

@media (max-width: 760px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .shell { padding-top: 24px; }
  .cards { grid-template-columns: 1fr; }
}