:root {
  --bg: #0a0a0a;
  --text: #f4f4f5;
  --muted: #a1a1aa;
  --accent: #7c5cfc;
  --border: rgba(255, 255, 255, 0.08);
  --max: 720px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.logo { font-weight: 700; font-size: 1.125rem; color: var(--text); text-decoration: none; }
.nav nav { display: flex; gap: 1.25rem; }
.nav nav a { color: var(--muted); font-size: 0.9375rem; }

main { max-width: var(--max); margin: 0 auto; padding: 3rem 1.5rem 4rem; }

.hero .eyebrow {
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}
.lead { color: var(--muted); font-size: 1.125rem; margin: 0 0 2rem; }

.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9375rem;
}
.btn.primary { background: var(--accent); color: #fff; }
.btn.ghost { border: 1px solid var(--border); color: var(--text); }

.features {
  display: grid;
  gap: 1.5rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.features h2 { margin: 0 0 0.35rem; font-size: 1.125rem; }
.features p { margin: 0; color: var(--muted); }

.prose h1 { font-size: 1.75rem; margin-top: 0; }
.prose h2 { font-size: 1.125rem; margin-top: 2rem; }
.prose p, .prose li { color: var(--muted); }
.prose ul { padding-left: 1.25rem; }

footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.875rem;
}
footer p { margin: 0.35rem 0; }

@media (min-width: 640px) {
  .features { grid-template-columns: repeat(3, 1fr); }
}