:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --accent: #2563eb;
  --border: #e2e8f0;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
.container {
  width: min(100%, 980px);
  margin: 0 auto;
  padding: 0 1rem;
}
header {
  padding: 4rem 0 2rem;
}
.hero {
  background: linear-gradient(180deg, #eff6ff 0%, #f8fafc 100%);
  border-bottom: 1px solid var(--border);
}
h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  margin: 0 0 .75rem;
}
.subtitle {
  margin: 0;
  color: var(--muted);
  max-width: 70ch;
}
.cta {
  display: inline-block;
  margin-top: 1.25rem;
  padding: .65rem 1rem;
  border-radius: .65rem;
  text-decoration: none;
  color: #fff;
  background: var(--accent);
  font-weight: 600;
}
section {
  padding: 2rem 0;
}
h2 {
  margin: 0 0 .8rem;
  font-size: 1.5rem;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: .9rem;
  padding: 1rem;
}
ul { padding-left: 1.2rem; }
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.badges img { height: 28px; }
pre {
  margin: 0;
  overflow-x: auto;
  background: #0b1220;
  color: #e2e8f0;
  padding: 1rem;
  border-radius: .8rem;
}
img.demo {
  width: 100%;
  border-radius: .8rem;
  border: 1px solid var(--border);
}
.grid {
  display: grid;
  gap: 1rem;
}
@media (min-width: 860px) {
  .grid-2 { grid-template-columns: 1.2fr .8fr; }
}
footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  padding: 2rem 0 3rem;
}
code { font-family: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, monospace; }