:root {
  --brand: #5B4FFF;
  --brand-soft: #EEEDFF;
  --text: #18181B;
  --muted: #52525B;
  --bg: #FAFAFA;
  --card: #FFFFFF;
  --border: #E4E4E7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand: #8B83FF;
    --brand-soft: #25224A;
    --text: #F4F4F5;
    --muted: #A1A1AA;
    --bg: #111113;
    --card: #1B1B1F;
    --border: #2E2E33;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  font-size: 17px;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
header.site { display: flex; align-items: center; gap: 12px; margin-bottom: 32px; }
header.site a { color: var(--text); text-decoration: none; font-weight: 700; font-size: 20px; }
.logo { width: 36px; height: 36px; border-radius: 10px; background: var(--brand); display: grid; place-items: center; color: #fff; font-weight: 700; }
h1 { font-size: 32px; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p, li { color: var(--muted); }
strong { color: var(--text); }
a { color: var(--brand); }
.meta { font-size: 14px; color: var(--muted); margin-bottom: 24px; }
.promise { background: var(--brand-soft); border-radius: 16px; padding: 16px 20px; margin: 16px 0 8px; }
.promise p { margin: 4px 0; color: var(--text); font-weight: 600; font-size: 18px; }
ul { padding-left: 20px; }
li { margin: 6px 0; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 20px; margin: 16px 0; }
.button { display: inline-block; background: var(--brand); color: #fff; text-decoration: none; padding: 12px 20px; border-radius: 999px; font-weight: 600; }
footer { margin-top: 48px; font-size: 14px; color: var(--muted); border-top: 1px solid var(--border); padding-top: 16px; }