:root {
  color-scheme: light dark;
  --bg: #fbfafc;
  --surface: #ffffff;
  --ink: #111016;
  --muted: #706c76;
  --accent: #0f103f;
  --line: #e7e3ea;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0e14;
    --surface: #1c1b20;
    --ink: #f7f5fa;
    --muted: #aaa5b0;
    --accent: #bbb8ff;
    --line: #36323c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  line-height: 1.55;
}

.shell {
  width: min(100%, 720px);
  margin: 0 auto;
  padding: calc(env(safe-area-inset-top) + 36px) 22px calc(env(safe-area-inset-bottom) + 56px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 760;
  text-decoration: none;
}

.mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 13px;
  background: var(--accent);
  color: var(--bg);
  font-weight: 800;
}

header { margin: 42px 0 32px; }

h1 {
  margin: 0 0 10px;
  font-size: clamp(38px, 8vw, 58px);
  line-height: 1.02;
  letter-spacing: -.045em;
}

h2 {
  margin: 34px 0 8px;
  font-size: 23px;
  letter-spacing: -.02em;
}

p, li { font-size: 16px; }
p { margin: 0 0 14px; }
ul { padding-left: 22px; }
li { margin: 7px 0; }

.lede, .updated { color: var(--muted); }
.lede { font-size: 19px; }
.updated { font-size: 14px; }

.card {
  margin: 22px 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
}

a { color: var(--accent); }

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 48px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

footer a { color: inherit; }