:root {
  color-scheme: light;
  --ink: #1e1a3c;
  --ink-soft: #4a4668;
  --muted: #6e6b8a;
  --paper: #f3f4fa;
  --surface: #ffffff;
  --line: #e1e2ee;
  --violet: #6a4bf4;
  --violet-deep: #4a2fc4;
  --violet-wash: #ece8ff;
  --shadow: 0 10px 30px rgba(30, 26, 60, 0.08);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: Nunito, "Trebuchet MS", sans-serif;
  font-size: 18px;
  line-height: 1.5;
}

a { color: var(--violet-deep); }

h1, h2, .brand {
  font-family: Fredoka, Nunito, sans-serif;
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.wrap {
  width: min(720px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 64px;
}

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.brand {
  color: var(--ink);
  text-decoration: none;
  font-size: 22px;
}

nav { display: flex; gap: 16px; }

nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 700;
}

.card {
  background: var(--surface);
  border-radius: 24px;
  padding: 28px 24px;
  box-shadow: var(--shadow);
}

.hero h1 { font-size: 42px; margin: 0 0 12px; }

.lede { color: var(--ink-soft); font-size: 20px; margin: 0 0 22px; }

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--violet);
  color: white;
  text-decoration: none;
  font-weight: 800;
}

.button.secondary {
  background: var(--violet-wash);
  color: var(--violet-deep);
}

.code {
  margin: 18px 0;
  padding: 16px;
  border-radius: 16px;
  background: var(--violet-wash);
  color: var(--violet-deep);
  font-family: Fredoka, Nunito, sans-serif;
  font-size: 34px;
  text-align: center;
  letter-spacing: 0.04em;
  word-break: break-all;
}

h2 { font-size: 28px; margin: 28px 0 8px; }

.prose h1 { font-size: 36px; margin: 0 0 8px; }

.prose p, .prose li { color: var(--ink-soft); }

.prose ul { padding-left: 20px; }

footer.site {
  margin-top: 36px;
  color: var(--muted);
  font-size: 15px;
}

footer.site a { color: var(--muted); }