:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0d1117;
  color: #edf2ff;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 20% 15%, rgba(90, 133, 255, 0.24), transparent 28rem),
    linear-gradient(135deg, #0d1117 0%, #111827 55%, #182033 100%);
}

.shell {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 14vh 0;
}

.narrow {
  width: min(720px, calc(100% - 32px));
}

.eyebrow {
  color: #9fb3ff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  margin: 0 0 1rem;
  font-size: clamp(2.4rem, 7vw, 5.8rem);
  line-height: 0.92;
}

.lead, p {
  max-width: 620px;
  color: #c9d4ee;
  font-size: 1.08rem;
  line-height: 1.7;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 44px;
}

a {
  color: #ffffff;
}

.cards a {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.24);
  text-decoration: none;
}

@media (max-width: 680px) {
  .cards {
    grid-template-columns: 1fr;
  }
}