:root {
  --bg: #F5F5F2;
  --card: #FFFFFF;
  --ink: #1C1C1E;
  --ink-2: #6B6B70;
  --accent: #557A5C;
  --accent-soft: #E5EDE6;
  --line: #E4E4DF;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --card: #1C1C1E;
    --ink: #F2F2F0;
    --ink-2: #98989D;
    --accent: #8DB394;
    --accent-soft: #22302A;
    --line: #38383A;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
}
main { max-width: 680px; margin: 0 auto; padding: 48px 20px 72px; }
header.brand { display: flex; align-items: center; gap: 14px; margin-bottom: 32px; text-decoration: none; color: inherit; }
header.brand img { width: 48px; height: 48px; border-radius: 12px; }
header.brand span { font-weight: 700; font-size: 20px; }
h1 { font-size: 34px; line-height: 1.15; margin: 0 0 8px; letter-spacing: -0.01em; }
h2 { font-size: 21px; margin: 36px 0 8px; }
h3 { font-size: 17px; margin: 22px 0 4px; }
p, li { color: var(--ink); }
.muted { color: var(--ink-2); }
.lead { font-size: 19px; color: var(--ink-2); margin-top: 0; }
a { color: var(--accent); }
.card { background: var(--card); border-radius: 22px; padding: 20px 22px; margin: 16px 0; }
.card h3:first-child, .card h2:first-child { margin-top: 0; }
ul { padding-left: 22px; }
li { margin: 6px 0; }
.links { display: grid; gap: 12px; margin-top: 28px; }
.links a { display: block; background: var(--card); border-radius: 18px; padding: 16px 20px; text-decoration: none; color: var(--ink); font-weight: 600; }
.links a small { display: block; color: var(--ink-2); font-weight: 400; margin-top: 2px; }
.button { display: inline-block; background: var(--accent); color: #fff; padding: 12px 22px; border-radius: 999px; text-decoration: none; font-weight: 600; }
@media (prefers-color-scheme: dark) { .button { color: #0F1F13; } }
footer { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--ink-2); font-size: 14px; }
footer a { color: var(--ink-2); }