*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --accent: #1d4ed8;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-tertiary: #94a3b8;
  --border: #e2e8f0;
  --surface: #ffffff;
  --surface-subtle: #f8fafc;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
}

body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; font-size: 14px; color: var(--text-primary); background: var(--surface); line-height: 1.6; }

.page { max-width: 720px; margin: 0 auto; padding: 2rem 1.5rem 4rem; }

nav { display: flex; align-items: center; justify-content: space-between; padding-bottom: 2rem; border-bottom: 1px solid var(--border); margin-bottom: 3rem; }

.nav-wordmark { display: flex; align-items: center; gap: 10px; text-decoration: none; }

.nav-logo { width: 28px; height: 28px; background: var(--accent); border-radius: 7px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }

.nav-title { font-size: 15px; font-weight: 500; color: var(--text-primary); }

.nav-links { display: flex; gap: 20px; }

.nav-links a { font-size: 13px; color: var(--text-secondary); text-decoration: none; }

.nav-links a:hover { color: var(--text-primary); }

h1 { font-size: 24px; font-weight: 500; color: var(--text-primary); margin-bottom: 8px; line-height: 1.3; }

h2 { font-size: 17px; font-weight: 500; color: var(--text-primary); margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }

p { font-size: 13px; color: #475569; line-height: 1.7; margin-bottom: 12px; }

p:last-child { margin-bottom: 0; }

.page-sub { font-size: 14px; color: var(--text-secondary); margin-bottom: 2.5rem; max-width: 520px; }

.page-sub a { color: var(--accent); text-decoration: none; }

.section { margin-bottom: 2.5rem; }

.btn-primary { display: inline-flex; align-items: center; gap: 6px; padding: 9px 18px; background: var(--accent); color: #fff; border: none; border-radius: var(--radius-md); font-size: 13px; font-weight: 500; cursor: pointer; text-decoration: none; font-family: inherit; }

.btn-primary:hover { background: #1e40af; }

.btn-secondary { display: inline-flex; align-items: center; padding: 8px 16px; background: transparent; color: var(--text-secondary); border: 1px solid var(--border); border-radius: var(--radius-md); font-size: 12px; cursor: pointer; text-decoration: none; font-family: inherit; }

.btn-secondary:hover { background: var(--surface-subtle); }

footer { border-top: 1px solid var(--border); padding-top: 1.5rem; display: flex; align-items: center; justify-content: space-between; margin-top: 3rem; }

.footer-left { font-size: 12px; color: var(--text-tertiary); }

.footer-links { display: flex; gap: 16px; }

.footer-links a { font-size: 12px; color: var(--text-secondary); text-decoration: none; }

.footer-links a:hover { color: var(--text-primary); }