:root {
  --bg: #f7f7f7;
  --text: #111111;
  --muted: #6b6b70;
  --card: #ffffff;
  --rim: rgba(0, 0, 0, 0.08);
  --accent: #c93400;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --text: #f5f5f7;
    --muted: #a1a1a6;
    --card: #262626;
    --rim: rgba(255, 255, 255, 0.08);
    --accent: #ff9f0a;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
main {
  max-width: 640px;
  margin: 0 auto;
  padding: 56px 24px 40px;
}
a { color: var(--text); text-decoration-color: var(--rim); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--text); }

.back { font-size: 15px; color: var(--muted); text-decoration: none; }
.back:hover { color: var(--text); }

h1 { margin: 24px 0 0; font-size: 34px; line-height: 1.15; font-weight: 700; letter-spacing: -0.02em; }
.updated { margin: 6px 0 0; font-size: 14px; color: var(--muted); }
h2 { margin: 40px 0 8px; font-size: 20px; font-weight: 600; }
h3 { margin: 24px 0 4px; font-size: 17px; font-weight: 600; }
p, li { font-size: 16px; }
p { margin: 8px 0; }
ul { margin: 8px 0; padding-left: 22px; }
li { margin: 4px 0; }
.muted { color: var(--muted); }

.card {
  margin-top: 24px;
  padding: 20px 24px;
  border-radius: 18px;
  background: var(--card);
  border: 1px solid var(--rim);
}
.card p:first-child { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

footer {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 24px 56px;
  font-size: 13px;
  color: var(--muted);
}
footer nav { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 8px; }
footer a { color: var(--muted); }

/* Home page */
.home {
  min-height: calc(100vh - 120px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.icon { width: 96px; height: 96px; border-radius: 22.5%; box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12); }
.home h1 { font-size: 44px; margin-top: 20px; }
.lede { margin: 10px 0 0; font-size: 19px; line-height: 1.4; color: var(--muted); }
.points { margin: 28px 0 0; padding: 0; list-style: none; }
.points li { font-size: 17px; margin: 10px 0; }
.soon { margin-top: 28px; font-size: 15px; font-weight: 500; color: var(--accent); }