:root {
  --bg: #fff;
  --fg: #16161d;
  --muted: #5f6070;
  --line: #e4e4ec;
  --card: #f6f6fb;
  --accent: #5b4cf0;
  --accent-fg: #fff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101015;
    --fg: #f2f2f7;
    --muted: #a0a1b2;
    --line: #2a2a35;
    --card: #17171f;
    --accent: #8578ff;
    --accent-fg: #101015;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 44rem; margin: 0 auto; padding: 0 1rem; }
header, footer { padding: 1.25rem 0; }
header .wrap, footer .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: .6rem; color: inherit; font-weight: 600; text-decoration: none; }
.brand img { width: 2rem; height: 2rem; }
nav { display: flex; gap: 1.25rem; }
nav a, footer a { color: var(--muted); text-decoration: none; }
nav a:hover, footer a:hover { color: var(--fg); }
footer { border-top: 1px solid var(--line); margin-top: 4rem; color: var(--muted); font-size: .9rem; }
h1 { font-size: 2.4rem; line-height: 1.15; margin: 3rem 0 1rem; }
h2 { font-size: 1.4rem; margin: 3rem 0 1rem; }
.lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 1.5rem; }
.button {
  display: inline-block;
  padding: .6rem 1.1rem;
  border-radius: .6rem;
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 600;
  text-decoration: none;
}
.plans { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.plan { padding: 1.25rem; border: 1px solid var(--line); border-radius: .9rem; background: var(--card); }
.plan h3 { margin: 0; font-size: 1.05rem; }
.price { font-size: 1.8rem; font-weight: 700; margin: .25rem 0 .5rem; }
.price small { font-size: .9rem; font-weight: 400; color: var(--muted); }
.plan ul { padding-left: 1.1rem; margin: 0; color: var(--muted); }
.notice { text-align: center; padding: 4rem 0 0; }
.notice h1 { margin-top: 0; }