/* ===========================================================================
   nav-block.css — self-contained nav + footer styles for pages that have
   their own layout (manifesto, harness) and don't want site.css's broader
   page-level rules.
   No body/html resets, no typography overrides — only .site-nav and
   .site-footer rules are defined here. Safe to drop into any page.
   =========================================================================== */

/* Re-declare just the tokens nav/footer needs so the block works
   without the parent stylesheet's :root. Pages that also load site.css
   keep using site.css's tokens (these are identical values). */
.site-nav, .site-footer {
  --nv-bg:           #ffffff;
  --nv-bg-alt:       #f3f3ee;
  --nv-text:         #1a1a1a;
  --nv-text-muted:   #6a6a6a;
  --nv-text-faint:   #999;
  --nv-border:       #d8d8d2;
  --nv-accent:       #2a6f4a;
  --nv-accent-hover: #1e5538;
  --nv-accent-bg:    #eef4ee;
  --nv-radius:       6px;
  --nv-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nv-bg);
  border-bottom: 1px solid var(--nv-border);
  padding: 12px 0;
  font-family: var(--nv-sans);
  font-size: 16px;
  line-height: 1.4;
  color: var(--nv-text);
}
.site-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.site-nav-brand {
  font-weight: 700;
  font-size: 20px;
  color: var(--nv-text);
  letter-spacing: -0.01em;
  margin-right: auto;
  text-decoration: none;
}
.site-nav-brand:hover { text-decoration: none; color: var(--nv-accent); }
.site-nav-brand-scope {
  font-size: 12px;
  font-weight: 400;
  color: var(--nv-text-faint);
  margin-left: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.site-nav-burger {
  display: block;
  background: none;
  border: 1px solid var(--nv-border);
  border-radius: var(--nv-radius);
  padding: 6px 10px;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  font-family: inherit;
  color: var(--nv-text);
}
.site-nav-burger:hover { background: var(--nv-bg-alt); }
.site-nav-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--nv-bg);
  border-bottom: 1px solid var(--nv-border);
  padding: 12px 16px;
  flex-direction: column;
  gap: 8px;
}
.site-nav-menu.open { display: flex; }
.site-nav-menu a {
  padding: 12px;
  border-radius: var(--nv-radius);
  font-weight: 500;
  color: var(--nv-text);
  text-decoration: none;
}
.site-nav-menu a:hover { background: var(--nv-bg-alt); text-decoration: none; }
.site-nav-menu a.active { color: var(--nv-accent); background: var(--nv-accent-bg); }
@media (min-width: 720px) {
  .site-nav-burger { display: none; }
  .site-nav-menu {
    display: flex;
    position: static;
    flex-direction: row;
    background: none;
    border: none;
    padding: 0;
    gap: 4px;
  }
  .site-nav-menu a { padding: 8px 12px; font-size: 15px; }
}

.site-footer {
  margin-top: 64px;
  padding: 32px 0 48px;
  border-top: 1px solid var(--nv-border);
  background: var(--nv-bg-alt);
  color: var(--nv-text-muted);
  font-size: 14px;
  font-family: var(--nv-sans);
  line-height: 1.6;
}
.site-footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
  display: grid;
  gap: 24px;
}
@media (min-width: 720px) {
  .site-footer-inner { grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
}
.site-footer h4 {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--nv-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.site-footer p { margin: 0 0 8px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { padding: 2px 0; }
.site-footer a { color: var(--nv-text-muted); text-decoration: none; }
.site-footer a:hover { color: var(--nv-accent); text-decoration: underline; }