:root {
  --bg: #F4F2ED;
  --ink: #1C2B33;
  --ink-soft: #52636B;
  --accent: #2E6E62;
  --font-display: 'IBM Plex Sans', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-display);
  padding: 24px;
}

.wrap {
  max-width: 480px;
  text-align: center;
}

.mark {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 28px;
}

h1 {
  font-size: clamp(24px, 5vw, 32px);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin: 0 0 14px;
}

.lede {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0;
}