*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #0b0f17;
  --panel: #131a26;
  --line: #222c3d;
  --text: #e6ebf4;
  --muted: #94a1b8;
  --accent: #3d7bff;
}

html,
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 56px 20px 32px;
}

.hero h1 {
  margin: 0 0 8px;
  font-size: 44px;
  letter-spacing: -0.02em;
}

.lead {
  margin: 0 0 24px;
  max-width: 640px;
  color: var(--muted);
  font-size: 18px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-block;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: var(--panel);
  font-weight: 600;
}

.btn.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}

.card h2 {
  margin: 0 0 8px;
  font-size: 20px;
}

.card p {
  margin: 0 0 12px;
  color: var(--muted);
}

pre {
  margin: 0;
  padding: 12px;
  overflow-x: auto;
  border-radius: 8px;
  background: #0a0e15;
  font-size: 13px;
  line-height: 1.5;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.foot {
  margin-top: 48px;
  color: var(--muted);
  font-size: 14px;
}