:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #080b10;
  color: #f6f7f9;
}
* { box-sizing: border-box; }
body {
  min-height: 100svh;
  margin: 0;
  padding: clamp(24px, 5vw, 64px);
  display: grid;
  grid-template-rows: 1fr auto;
  background:
    radial-gradient(circle at 85% 15%, rgba(74, 108, 247, .18), transparent 30rem),
    #080b10;
}
main {
  width: min(780px, 100%);
  align-self: center;
  padding-block: 72px;
}
.mark {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  margin-bottom: 54px;
  border: 1px solid #384055;
  border-radius: 16px;
  color: #9eb1ff;
  font-weight: 700;
}
.eyebrow {
  margin: 0 0 18px;
  color: #9ba6bb;
  font-size: .9rem;
  font-weight: 650;
  letter-spacing: .12em;
  text-transform: uppercase;
}
h1 {
  max-width: 14ch;
  margin: 0;
  font-size: clamp(2.8rem, 8vw, 6.5rem);
  line-height: .95;
  letter-spacing: -.065em;
}
.intro {
  max-width: 520px;
  margin: 34px 0 30px;
  color: #b7bfce;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.55;
}
a {
  color: #f6f7f9;
  font-size: 1rem;
  text-underline-offset: 6px;
  text-decoration-color: #5e73ca;
}
a:hover, a:focus-visible { color: #aebdff; }
footer {
  color: #6f788a;
  font-size: .85rem;
}
@media (max-width: 520px) {
  body { padding: 24px; }
  main { padding-block: 48px; }
  .mark { margin-bottom: 40px; }
}
@media (prefers-reduced-motion: no-preference) {
  main { animation: enter .55s ease-out both; }
  @keyframes enter { from { opacity: 0; transform: translateY(12px); } }
}