:root {
  color-scheme: light;
  --bg: #fafafa;
  --paper: #ffffff;
  --ink: #101014;
  --muted: #5f5f6b;
  --line: rgba(16, 16, 20, 0.1);
  --accent: #6230cc;
  --accent-soft: #f0ebff;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  line-height: 1.58;
}

body {
  margin: 0;
}

.page {
  width: min(860px, calc(100% - 32px));
  margin: 0 auto;
  padding: 44px 0 72px;
}

.shell {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 24px 70px rgba(16, 16, 20, 0.06);
  overflow: hidden;
}

header {
  padding: 38px 42px 30px;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--accent);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(32px, 5vw, 46px);
  line-height: 1.05;
  letter-spacing: 0;
  margin: 0 0 14px;
}

.lede {
  color: var(--muted);
  font-size: 17px;
  margin: 0;
  max-width: 680px;
}

main {
  padding: 34px 42px 44px;
}

h2 {
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: 0;
  margin: 34px 0 10px;
}

h2:first-child {
  margin-top: 0;
}

p,
li {
  font-size: 16px;
}

p {
  margin: 0 0 14px;
}

ul {
  margin: 0 0 18px;
  padding-left: 22px;
}

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

a:hover {
  text-decoration: underline;
}

.notice {
  background: var(--accent-soft);
  border: 1px solid rgba(98, 48, 204, 0.16);
  border-radius: 14px;
  color: #2f1b5d;
  margin: 22px 0 6px;
  padding: 16px 18px;
}

.meta {
  color: var(--muted);
  font-size: 14px;
  margin-top: 14px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.nav a {
  align-items: center;
  background: var(--accent);
  border-radius: 999px;
  color: #fff;
  display: inline-flex;
  min-height: 42px;
  padding: 0 16px;
}

footer {
  color: var(--muted);
  font-size: 13px;
  padding: 0 42px 36px;
}

@media (max-width: 640px) {
  .page {
    width: min(100% - 20px, 860px);
    padding: 18px 0 42px;
  }

  .shell {
    border-radius: 16px;
  }

  header,
  main {
    padding-left: 22px;
    padding-right: 22px;
  }

  header {
    padding-top: 28px;
  }

  footer {
    padding-left: 22px;
    padding-right: 22px;
  }
}