:root {
  --bg: #0f1222;
  --bg-soft: #171b34;
  --accent: #6d5efc;
  --accent-soft: #a78bfa;
  --text: #e6e7f0;
  --text-dim: #9a9db8;
  --card: #1b1f3b;
  --border: #2b2f52;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 15% -10%, #2a2560 0%, transparent 60%),
    radial-gradient(1000px 500px at 100% 0%, #1a2a55 0%, transparent 55%),
    var(--bg);
  min-height: 100vh;
  line-height: 1.65;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 24px 40px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
  text-decoration: none;
}

.logo .mark {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  display: inline-block;
  flex-shrink: 0;
}

nav.site a {
  color: var(--text-dim);
  text-decoration: none;
  margin-left: 24px;
  font-size: 14px;
  transition: color .15s ease;
}
nav.site a:hover { color: var(--text); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
}

h1 {
  font-size: 30px;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

.tagline {
  color: var(--text-dim);
  font-size: 17px;
  margin-bottom: 28px;
}

h2 {
  font-size: 16px;
  color: var(--accent-soft);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-top: 32px;
  margin-bottom: 10px;
}

p, li { color: var(--text); font-size: 15px; }
ul { padding-left: 20px; }
code {
  background: rgba(255,255,255,0.06);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}

a { color: var(--accent-soft); }
a:hover { color: var(--accent); }

.badge {
  display: inline-block;
  background: rgba(109, 94, 252, 0.15);
  border: 1px solid rgba(109, 94, 252, 0.35);
  color: var(--accent-soft);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 20px;
}

footer.page {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-dim);
}

footer.page a { color: var(--text-dim); }
footer.page a:hover { color: var(--accent-soft); }