:root {
  --ink: #29305C;
  --soft: #5A6285;
  --bg: #FFF8E6;
  --card: #FFFFFF;
  --accent: #216EED;
  color-scheme: light;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 ui-rounded, "SF Pro Rounded", "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
main { max-width: 720px; margin: 0 auto; padding-block: 40px 64px; }
header { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; }
header img { width: 72px; height: 72px; border-radius: 16px; box-shadow: 0 6px 14px rgba(41, 48, 92, 0.2); }
header a { color: inherit; text-decoration: none; }
h1 { margin: 0; font-size: 30px; line-height: 1.2; text-wrap: balance; }
h2 { margin: 32px 0 8px; font-size: 21px; }
p, li { max-width: 65ch; }
a { color: var(--accent); }
.card { background: var(--card); border-radius: 20px; padding: 20px 24px; box-shadow: 0 3px 10px rgba(41, 48, 92, 0.08); }
.muted { color: var(--soft); font-size: 15px; }
nav { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 40px; font-weight: 700; }