:root {
  --bg: #0b0b0f;
  --card: #16161d;
  --text: #f2f2f7;
  --muted: #9a9aa5;
  --accent: #2f4bf5;
  --accent2: #0fb3cc;
  --border: #26262f;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}
a { color: var(--accent2); }
.wrap { max-width: 760px; margin: 0 auto; padding: 32px 20px 64px; }
header.hero {
  text-align: center;
  padding: 64px 20px 40px;
  background: radial-gradient(120% 120% at 50% 0%, rgba(47,75,245,0.25), transparent 60%);
}
.logo {
  width: 96px; height: 96px; border-radius: 22px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 12px 40px rgba(47,75,245,0.35);
}
.logo svg { width: 56px; height: 56px; }
h1 { font-size: 2.4rem; margin: 8px 0; letter-spacing: -0.02em; }
h2 { font-size: 1.4rem; margin-top: 36px; letter-spacing: -0.01em; }
.tagline { color: var(--muted); font-size: 1.15rem; max-width: 520px; margin: 0 auto; }
.nav { text-align: center; margin: 28px 0; }
.nav a {
  display: inline-block; margin: 0 10px; padding: 8px 18px;
  border: 1px solid var(--border); border-radius: 999px;
  text-decoration: none; color: var(--text); font-size: 0.95rem;
}
.nav a:hover { border-color: var(--accent2); }
.features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }
.feature {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 18px 20px;
}
.feature h3 { margin: 0 0 6px; font-size: 1.05rem; }
.feature p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 24px 26px; margin-top: 20px;
}
.muted { color: var(--muted); }
footer { text-align: center; color: var(--muted); font-size: 0.85rem; padding: 32px 20px 48px; border-top: 1px solid var(--border); margin-top: 48px; }
.updated { color: var(--muted); font-size: 0.9rem; }
ul { padding-left: 20px; }
li { margin: 6px 0; }