:root { --orange: #E2700C; --ink: #3D3D42; --sand: #F4ECDF; --muted: #6E6E73; }
@media (prefers-color-scheme: dark) { :root { --orange: #F5892B; --ink: #EDEDF0; --sand: #1F1B16; --muted: #A1A1A6; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--sand); color: var(--ink);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif; }
main { max-width: 640px; margin: 0 auto; padding: 56px 24px 72px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 32px; }
header img { width: 56px; height: 56px; border-radius: 13px; }
header a { color: inherit; text-decoration: none; font-weight: 700; font-size: 22px; }
h1 { font-size: 34px; line-height: 1.15; margin: 0 0 12px; }
h2 { font-size: 19px; margin: 28px 0 6px; }
p, li { margin: 0 0 12px; }
a { color: var(--orange); }
.lead { font-size: 20px; color: var(--muted); }
.muted { color: var(--muted); font-size: 15px; }
footer { margin-top: 48px; font-size: 15px; color: var(--muted); }
footer a { margin-right: 18px; }