:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #5b6475;
  --line: #d7dce5;
  --accent: #2563eb;
  --bg: #f7f8fb;
  --panel: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
}

.shell {
  width: min(880px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 740px;
  font-size: clamp(2.4rem, 7vw, 5.5rem);
  line-height: 0.94;
}

.lede {
  max-width: 680px;
  margin: 24px 0 34px;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.65;
}

.panel {
  max-width: 680px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.panel h2 {
  margin: 0 0 12px;
}

.panel ol {
  margin: 0;
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.7;
}

code {
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  background: #eef1f6;
  color: #111827;
}