:root {
  --bg: #ffffff;
  --bg-subtle: #fafafa;
  --surface: #ffffff;
  --text: #0a0a0a;
  --text-muted: #6b7280;
  --text-faint: #9ca3af;
  --border: #e8e8ea;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-text: #ffffff;
  --accent-soft: #eef2ff;
  --shadow-sm: 0 1px 2px rgba(16, 16, 20, 0.04);
  --shadow-md: 0 4px 16px rgba(16, 16, 20, 0.06);
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0c0d;
    --bg-subtle: #131314;
    --surface: #17171a;
    --text: #f5f5f6;
    --text-muted: #9a9aa2;
    --text-faint: #6b6b72;
    --border: #232326;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-text: #ffffff;
    --accent-soft: #1c1c3a;
    --shadow-sm: none;
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.01em;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }

header.site {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; }
.logo {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 9px;
}
.logo img { width: 52px; height: 52px; display: block; }
.eyebrow img { width: 26px; height: 26px; display: block; }
.logo .dark-logo, .eyebrow .dark-logo { display: none; }
@media (prefers-color-scheme: dark) {
  .logo .light-logo, .eyebrow .light-logo { display: none; }
  .logo .dark-logo, .eyebrow .dark-logo { display: block; }
}
nav.site a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  margin-left: 24px;
  transition: color 0.15s;
}
nav.site a:hover { color: var(--text); }

.hero { text-align: center; padding: 88px 0 56px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 16px;
}
.hero p.tagline {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 32px;
  line-height: 1.6;
}
.btn {
  display: inline-block;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 9px;
  background: var(--accent);
  color: var(--accent-text);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: background 0.15s, transform 0.1s;
}
.btn:hover { background: var(--accent-hover); }
.btn:active { transform: scale(0.98); }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  padding: 24px 0 64px;
}
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.feature .icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  background: var(--accent-soft);
  border-radius: 10px;
  margin-bottom: 16px;
}
.feature h3 { font-size: 14px; font-weight: 600; margin: 0 0 6px; letter-spacing: -0.01em; }
.feature p { font-size: 13.5px; color: var(--text-muted); margin: 0; line-height: 1.55; }

.steps { padding: 8px 0 72px; }
.steps h2 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  margin: 0 0 28px;
  text-align: center;
}
.steps ol { max-width: 440px; margin: 0 auto; padding-left: 0; list-style: none; counter-reset: step; }
.steps li {
  counter-increment: step;
  display: flex;
  gap: 14px;
  margin-bottom: 18px;
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.5;
}
.steps li::before {
  content: counter(step);
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 50%;
}
.steps li span { padding-top: 2px; }
.steps li strong { color: var(--text); font-weight: 600; }

footer.site {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  text-align: center;
}
footer.site p { font-size: 12px; color: var(--text-faint); margin: 0 0 10px; }
footer.site a { color: var(--text-muted); text-decoration: none; font-size: 12.5px; font-weight: 500; margin: 0 10px; }
footer.site a:hover { color: var(--text); }

.doc { padding: 56px 0 72px; }
.doc h1 { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 6px; }
.doc .updated { color: var(--text-faint); font-size: 12.5px; margin-bottom: 40px; }
.doc h2 { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; margin: 36px 0 12px; }
.doc p, .doc li { font-size: 14px; color: var(--text-muted); line-height: 1.65; }
.doc ul { padding-left: 20px; }
.doc a { color: var(--accent); text-decoration: none; }
.doc a:hover { text-decoration: underline; }