:root {
  --purple: #7333E6;
  --orange: #F56B00;
  --text: #1c1c1e;
  --secondary: #6e6e73;
  --background: #ffffff;
  --card: #f5f4fa;
}
@media (prefers-color-scheme: dark) {
  :root {
    --purple: #A885FF;
    --text: #f5f5f7;
    --secondary: #a1a1a6;
    --background: #0b0716;
    --card: #1a1428;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  color: var(--text);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
}
header {
  padding: 56px 24px 40px;
  text-align: center;
  background: linear-gradient(135deg, rgba(115, 51, 230, 0.16), rgba(245, 107, 0, 0.10));
}
header img { width: 88px; height: 88px; border-radius: 20px; box-shadow: 0 8px 24px rgba(115, 51, 230, 0.3); }
header h1 { margin: 16px 0 4px; font-size: 34px; letter-spacing: -0.02em; }
header p { margin: 0; color: var(--secondary); }
main { max-width: 720px; margin: 0 auto; padding: 32px 24px 64px; }
h2 { font-size: 22px; margin: 36px 0 8px; letter-spacing: -0.01em; }
h3 { font-size: 18px; margin: 24px 0 4px; }
p, li { color: var(--text); }
.muted { color: var(--secondary); font-size: 15px; }
a { color: var(--purple); text-decoration: none; }
a:hover { text-decoration: underline; }
.card { background: var(--card); border-radius: 18px; padding: 20px 22px; margin: 16px 0; }
.button {
  display: inline-block; margin-top: 8px; padding: 12px 22px; border-radius: 999px; color: #fff;
  background: linear-gradient(90deg, var(--orange), #E0338C, #7333E6); font-weight: 600;
}
.button:hover { text-decoration: none; opacity: 0.9; }
nav { text-align: center; margin-top: 20px; }
nav a { margin: 0 10px; font-weight: 600; }
footer { text-align: center; color: var(--secondary); font-size: 14px; padding: 0 24px 40px; }