:root {
  color-scheme: light dark;
  font-family: Inter, Arial, sans-serif;
  line-height: 1.5;
  background: #0f172a;
  color: #e2e8f0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(56, 189, 248, 0.22), transparent 40%),
    linear-gradient(180deg, #020617 0%, #0f172a 100%);
}

a {
  color: #7dd3fc;
}

.shell {
  width: min(960px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4rem 0 5rem;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(125, 211, 252, 0.12);
  color: #bae6fd;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  line-height: 1;
}

h2 {
  margin-top: 0;
}

.lead {
  max-width: 48rem;
  margin: 1.5rem 0 2rem;
  color: #cbd5e1;
  font-size: 1.1rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.card {
  padding: 1.25rem;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 1rem;
  background: rgba(15, 23, 42, 0.72);
  backdrop-filter: blur(10px);
}

ul {
  margin: 0;
  padding-left: 1.25rem;
}

pre {
  margin: 0;
  overflow-x: auto;
  padding: 1rem;
  border-radius: 0.75rem;
  background: rgba(2, 6, 23, 0.85);
  color: #bfdbfe;
}