:root {
  color-scheme: dark;
  --bg: #0f1115;
  --panel: #181b22;
  --text: #e6e8ee;
  --muted: #9aa3b2;
  --accent: #4f9cf9;
  --border: #262b36;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  background:
    radial-gradient(1200px 600px at 20% -10%, #16233b 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
}

main {
  width: 100%;
  max-width: 760px;
}

.badge {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border);
  background: var(--panel);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.1;
  margin: 0 0 1rem;
  font-weight: 700;
}

h1 span {
  color: var(--accent);
}

.lede {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 56ch;
  margin: 0 0 2.5rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.cards section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
}

.cards h2 {
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
}

.cards p {
  font-size: 0.92rem;
  color: var(--muted);
  margin: 0;
}

code {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.9em;
  color: var(--accent);
  background: rgba(79, 156, 249, 0.1);
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
}

footer {
  font-size: 0.85rem;
  color: var(--muted);
}