/* Shared base styles for whyapp.us top-level pages.
   Page-specific rules stay inline in each page. */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #fff;
  color: #222;
  padding: 16px;
  line-height: 1.5;
}
nav.site-nav {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding: 16px 0;
  font-size: 14px;
}
nav.site-nav a { color: #666; text-decoration: none; font-weight: 500; white-space: nowrap; }
nav.site-nav a:hover { color: #4285F4; }
nav.site-nav a.active { color: #4285F4; font-weight: 700; }
nav.site-nav .sep { color: #ddd; }
@media (prefers-color-scheme: dark) {
  nav.site-nav.dark a { color: #888; }
}