:root {
  --bg: #f6f4f8; --card: #ffffff; --text: #1c1a22; --muted: #6b6775;
  --accent: #c98a02; --magenta: #e85d9e; --border: #e7e3ec;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f0e12; --card: #1b1a20; --text: #f2f0f5; --muted: #a09bab;
          --accent: #f5a623; --magenta: #f07ab2; --border: #2c2a33; }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
}
main { max-width: 680px; margin: 0 auto; padding: 48px 16px 64px; }
header { display: flex; align-items: center; gap: 16px; margin-bottom: 32px; }
header img { width: 64px; height: 64px; border-radius: 15px; }
header h1 { margin: 0; font: 700 28px/1.2 ui-rounded, -apple-system, sans-serif; }
header p { margin: 2px 0 0; color: var(--muted); font-size: 15px; }
h2 { font: 700 20px/1.3 ui-rounded, -apple-system, sans-serif; margin: 0 0 8px; }
section { background: var(--card); border: 1px solid var(--border); border-radius: 20px;
          padding: 20px 22px; margin-bottom: 16px; }
section p:last-child, section ul:last-child { margin-bottom: 0; }
section p:first-of-type { margin-top: 0; }
a { color: var(--accent); }
.lead { font-size: 19px; }
.muted { color: var(--muted); font-size: 14px; }
nav { margin-top: 32px; display: flex; gap: 20px; font-size: 15px; }