:root {
  --bg: #0F0F1A;
  --surface: #171726;
  --text: #E8E8EF;
  --muted: #9898AC;
  --accent: #6C63FF;
  --border: #262638;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

header.site-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

header.site-header .logo {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--accent);
}

header.site-header nav {
  margin-left: auto;
  display: flex;
  gap: 20px;
  font-size: 14px;
}

header.site-header nav a {
  color: var(--muted);
}
header.site-header nav a:hover {
  color: var(--text);
  text-decoration: none;
}

h1 {
  font-size: 36px;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 22px;
  font-weight: 600;
  margin: 40px 0 12px;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 24px 0 8px;
}

p, li {
  font-size: 16px;
  color: var(--text);
}

.lead {
  color: var(--muted);
  font-size: 17px;
  margin-bottom: 32px;
}

code {
  background: var(--surface);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.hero {
  text-align: center;
  padding: 64px 24px 40px;
}

.hero h1 { font-size: 48px; }
.hero p { font-size: 18px; color: var(--muted); max-width: 560px; margin: 16px auto 32px; }

.cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn:hover { opacity: 0.9; text-decoration: none; }
