/* ClawBrain — nav + footer only (no global element overrides)
   Used by blog articles, cases pages, and other legacy pages that load
   unified-nav.js. Defines only the classes needed for the injected nav/footer.
   Does NOT override h1/h2/p/a/body/button/html — safe on any page. */

:root {
  --ink:        #18181b;
  --ink-2:      #27272a;
  --ink-3:      #52525b;
  --muted:      #71717a;
  --muted-2:    #a1a1aa;
  --line:       #e4e4e7;
  --surface:    #f7f6f3;
  --canvas:     #ffffff;
  --accent:     #4f46e5;
  --accent-ink: #3730a3;
  --accent-bg:  #eef2ff;
  --font-sans:  'Inter', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono:  'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --r:   6px;
  --r-sm: 4px;
  --r-lg: 10px;
  --sh-lg: 0 12px 32px -8px rgba(24,24,27,.12);
  --maxw: 1200px;
  --pad-x: 40px;
}

/* ─── Nav ─── */
nav[data-clawbrain-nav].nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
nav[data-clawbrain-nav] .nav-inner {
  max-width: none; padding: 0 var(--pad-x); height: 60px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
}
nav[data-clawbrain-nav] .nav-brand {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 700; color: var(--accent-ink); letter-spacing: -.01em;
  line-height: 1;
  background: var(--accent-bg);
  padding: 4px 10px; border-radius: var(--r);
  text-decoration: none;
}
nav[data-clawbrain-nav] .nav-brand:hover { color: var(--accent-ink); }
nav[data-clawbrain-nav] .nav-brand .mark-svg {
  width: 22px; height: 22px; display: inline-block; flex-shrink: 0;
}
nav[data-clawbrain-nav] .nav-links { display: flex; align-items: center; gap: 28px; }
nav[data-clawbrain-nav] .nav-links a {
  color: var(--muted); font-size: 13.5px; font-weight: 500;
  text-decoration: none;
}
nav[data-clawbrain-nav] .nav-links a:hover { color: var(--ink); }
nav[data-clawbrain-nav] .nav-right { display: flex; align-items: center; gap: 16px; }
nav[data-clawbrain-nav] .nav-console {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent); color: #fff; padding: 7px 14px;
  border-radius: var(--r); font-size: 13px; font-weight: 600;
  text-decoration: none;
}
nav[data-clawbrain-nav] .nav-console:hover { background: var(--accent-ink); color: #fff; }
nav[data-clawbrain-nav] .nav-console::after { content: "→"; font-family: var(--font-mono); }

/* Nav dropdown */
nav[data-clawbrain-nav] .nav-drop { position: relative; }
nav[data-clawbrain-nav] .nav-drop > a { cursor: pointer; display: inline-flex; align-items: center; gap: 4px; }
nav[data-clawbrain-nav] .nav-drop > a::after { content: "▾"; font-size: 9px; opacity: .6; }
nav[data-clawbrain-nav] .nav-drop-menu {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  padding-top: 10px;
  min-width: 220px;
  opacity: 0; visibility: hidden; transition: opacity .15s; z-index: 200;
  pointer-events: none;
}
nav[data-clawbrain-nav] .nav-drop-menu > .nav-drop-inner {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-lg); box-shadow: var(--sh-lg); padding: 8px;
}
nav[data-clawbrain-nav] .nav-drop:hover .nav-drop-menu,
nav[data-clawbrain-nav] .nav-drop:focus-within .nav-drop-menu {
  opacity: 1; visibility: visible; pointer-events: auto;
}
nav[data-clawbrain-nav] .nav-drop-menu a {
  display: block; padding: 10px 12px; font-size: 13px; color: var(--muted);
  border-radius: var(--r); line-height: 1.4; text-decoration: none;
}
nav[data-clawbrain-nav] .nav-drop-menu a b { display: block; color: var(--ink); font-weight: 600; margin-bottom: 2px; font-size: 13px; }
nav[data-clawbrain-nav] .nav-drop-menu a small { color: var(--muted-2); font-size: 11.5px; display: block; }
nav[data-clawbrain-nav] .nav-drop-menu a:hover { background: var(--surface); }

/* ─── Footer ─── */
footer[data-clawbrain-footer].ft {
  border-top: 1px solid var(--line); padding: 56px var(--pad-x) 64px;
  background: var(--canvas); margin-top: 0;
}
footer[data-clawbrain-footer] .ft-grid {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
}
footer[data-clawbrain-footer] .ft-col h4 {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--muted); font-weight: 500; margin-bottom: 14px;
}
footer[data-clawbrain-footer] .ft-col a {
  display: block; font-size: 13.5px; color: var(--muted); padding: 4px 0; text-decoration: none;
}
footer[data-clawbrain-footer] .ft-col a:hover { color: var(--ink); }
footer[data-clawbrain-footer] .ft-brand-block .nav-brand {
  margin-bottom: 14px; line-height: 1; display: inline-flex; align-items: center;
  gap: 8px; padding: 6px 14px;
}
footer[data-clawbrain-footer] .ft-brand-block .nav-brand .mark-svg {
  width: 22px; height: 22px; flex-shrink: 0; vertical-align: middle;
}
footer[data-clawbrain-footer] .ft-brand-block p {
  font-size: 13px; max-width: 280px; line-height: 1.7; margin: 0; color: var(--muted);
}
footer[data-clawbrain-footer] .ft-bottom {
  max-width: var(--maxw); margin: 48px auto 0; padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: 11.5px; color: var(--muted);
  flex-wrap: wrap; gap: 12px;
}
footer[data-clawbrain-footer] .ft-bottom a { color: var(--muted); margin-left: 18px; text-decoration: none; }
footer[data-clawbrain-footer] .ft-bottom a:hover { color: var(--ink); }

/* ─── Responsive ─── */
@media (max-width: 900px) {
  :root { --pad-x: 20px; }
  nav[data-clawbrain-nav] .nav-links { display: none; }
  footer[data-clawbrain-footer] .ft-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}