:root {
  --night: #0e0b2e;
  --card: #1b1650;
  --text: #f4f1ff;
  --soft: #c9c2ee;
  --moon: #ffe7a3;
  --purple: #7c4dff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(circle at 80% -10%, #2a1e6e 0, var(--night) 55%) fixed;
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 40px 20px 64px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
header a { color: var(--text); text-decoration: none; font-weight: 700; font-size: 20px; }
.moon { width: 30px; height: 30px; border-radius: 50%; background: var(--moon); box-shadow: inset -9px -3px 0 0 #2a1e6e, 0 0 24px rgba(255, 231, 163, 0.35); }
h1 { font-size: 34px; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 21px; margin: 32px 0 8px; color: var(--moon); }
p, li { color: var(--soft); }
strong { color: var(--text); }
a { color: var(--moon); }
.card { background: var(--card); border-radius: 18px; padding: 18px 20px; margin: 16px 0; }
.lead { font-size: 19px; }
.button { display: inline-block; background: var(--purple); color: #fff; text-decoration: none; font-weight: 700; padding: 12px 22px; border-radius: 99px; margin: 6px 8px 6px 0; }
nav a { margin-right: 16px; }
footer { margin-top: 48px; font-size: 14px; color: var(--soft); }