/* Claude SEO — responsive side nav */
.claude-seo-layout {
  --nav-width: 260px;
  --nav-bg: #1A1A2E;
  --nav-text: rgba(255,255,255,0.85);
  --nav-text-hover: #fff;
  --nav-active: #D4712A;
  --nav-border: rgba(255,255,255,0.08);
  position: relative;
  min-height: 100vh;
}

.claude-seo-nav-toggle {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1002;
  width: 44px;
  height: 44px;
  border: 1px solid var(--nav-border);
  border-radius: 8px;
  background: var(--nav-bg);
  color: var(--nav-text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  padding: 0;
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
  transition: background .2s, color .2s;
}
.claude-seo-nav-toggle:hover {
  background: #252538;
  color: var(--nav-text-hover);
}
.claude-seo-nav-toggle[aria-expanded="true"] {
  background: var(--nav-active);
  color: #fff;
  border-color: var(--nav-active);
}

.claude-seo-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--nav-width);
  height: 100vh;
  background: var(--nav-bg);
  border-right: 1px solid var(--nav-border);
  overflow-y: auto;
  z-index: 1001;
  padding: 20px 0 32px;
}

.claude-seo-nav-logo {
  display: block;
  padding: 0 16px 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--nav-border);
}
.claude-seo-nav-logo img {
  display: block;
  height: 32px;
  width: auto;
  object-fit: contain;
}

.claude-seo-nav nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 16px;
}

.claude-seo-nav a {
  display: block;
  padding: 10px 14px;
  color: var(--nav-text);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.4;
  border-radius: 6px;
  transition: background .15s, color .15s;
}
.claude-seo-nav a:hover {
  background: rgba(255,255,255,0.06);
  color: var(--nav-text-hover);
}
.claude-seo-nav a.current {
  background: rgba(212,113,42,0.2);
  color: var(--nav-active);
  font-weight: 600;
}

.claude-seo-nav .nav-section {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  padding: 16px 14px 6px;
  margin-top: 8px;
  border-top: 1px solid var(--nav-border);
}
.claude-seo-nav .nav-section:first-child {
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}

.claude-seo-main {
  margin-left: var(--nav-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.claude-seo-main .page {
  flex: 1;
}

.claude-seo-footer {
  padding: 20px 72px 24px;
  margin-top: 0;
  border-top: 1px solid var(--rule);
  font-size: 13px;
  color: var(--ink-muted);
  background: var(--surface);
}
.claude-seo-footer a {
  color: var(--brand);
  text-decoration: none;
  font-weight: 600;
}
.claude-seo-footer a:hover {
  text-decoration: underline;
}

@media (max-width: 900px) {
  .claude-seo-nav-toggle {
    display: flex;
  }

  .claude-seo-nav {
    transform: translateX(-100%);
    transition: transform .25s ease;
    box-shadow: 4px 0 24px rgba(0,0,0,0.3);
  }
  .claude-seo-nav.is-open {
    transform: translateX(0);
  }

  .claude-seo-main {
    margin-left: 0;
    padding-top: 0;
  }
}

@media print {
  .claude-seo-nav-toggle,
  .claude-seo-nav {
    display: none !important;
  }
  .claude-seo-main {
    margin-left: 0;
  }
}