:root {
  --bg: #f7f7fb; --card: #ffffff; --ink: #1c1c1e; --muted: #6e6e73; --tint: #0b7a5c; --line: #e5e5ea;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f0f12; --card: #1c1c1e; --ink: #f2f2f7; --muted: #a1a1a6; --tint: #2ec799; --line: #2c2c2e; }
}
* { box-sizing: border-box; }
html { color-scheme: light dark; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 640px; margin: 0 auto; padding: 40px 20px 64px; }
header.hero + main { padding-top: 8px; }
header.hero { text-align: center; padding: 56px 20px 24px; }
header.hero img { width: 112px; height: 112px; border-radius: 26px; box-shadow: 0 12px 32px rgba(0,0,0,.12); }
header.hero h1 { font-size: 34px; font-weight: 700; letter-spacing: -0.4px; margin: 20px 0 6px; }
header.hero p { color: var(--muted); font-size: 19px; margin: 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 20px 22px; margin: 18px 0; }
h2 { font-size: 20px; margin: 28px 0 8px; }
h1.page { font-size: 30px; margin: 0 0 4px; letter-spacing: -0.3px; }
p.meta { color: var(--muted); margin: 0 0 24px; }
ul { padding-left: 20px; } li { margin: 6px 0; }
a { color: var(--tint); text-decoration: none; } a:hover { text-decoration: underline; }
footer { text-align: center; color: var(--muted); font-size: 14px; padding: 24px 20px 40px; }
footer a { color: var(--muted); margin: 0 8px; }
.pill { display: inline-block; background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; margin: 6px 4px; font-size: 15px; }