:root {
  --bg: #09090d;
  --card: rgba(255, 255, 255, 0.06);
  --text: #f4f4f6;
  --muted: #a3a3ad;
  --accent: #b8ff2e;
  --violet: #7a5cff;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
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: 720px; margin: 0 auto; padding: 32px 20px 64px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 40px; }
.brand { color: var(--text); font-weight: 800; font-size: 22px; text-decoration: none; letter-spacing: -0.02em; }
.brand span { color: var(--accent); }
nav a { color: var(--muted); text-decoration: none; margin-left: 16px; font-size: 15px; }
nav a:hover { color: var(--text); }
h1 { font-size: 34px; line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 { font-size: 21px; margin: 36px 0 8px; }
p, li { color: #dcdce2; }
.muted { color: var(--muted); font-size: 15px; }
a { color: var(--accent); }
.card { background: var(--card); border-radius: 18px; padding: 20px 22px; margin: 16px 0; }
.hero { background: linear-gradient(135deg, #3b2a8f, #16161f); border-radius: 26px; padding: 36px 28px; margin-bottom: 28px; }
.hero h1 { font-size: 40px; }
.button { display: inline-block; background: var(--accent); color: #09090d; font-weight: 700; padding: 13px 22px; border-radius: 999px; text-decoration: none; margin-top: 12px; }
.lang { margin-top: 56px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, 0.12); }
footer { margin-top: 56px; color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); }
.card h2 { margin-top: 0; }