/* Shared shell: nav bar & footer */

.site-nav {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--cp-border);
  background: var(--cp-panel-strong);
  backdrop-filter: blur(8px);
  margin: -24px -24px 32px;
  padding: 0 24px;
}

.nav-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}

.nav-brand {
  font-size: 1rem;
  font-weight: 700;
  color: var(--cp-text);
  text-decoration: none;
  letter-spacing: 0.3px;
}

.nav-brand:hover {
  color: var(--cp-link);
}

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-link {
  padding: 6px 14px;
  border-radius: 0.625rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--cp-text-muted);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.nav-link:hover {
  background: var(--cp-accent-soft);
  color: var(--cp-text);
}

.nav-link.active {
  background: var(--cp-accent-soft);
  color: var(--cp-link);
}

.footer {
  text-align: center;
  padding: 40px 0 24px;
  color: var(--cp-text-muted);
  font-size: 0.85rem;
  position: relative;
  z-index: 1;
}

.footer a {
  color: var(--cp-link);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

.footer-sub {
  font-size: 0.75rem;
  margin-top: 4px;
  opacity: 0.6;
}

@media (max-width: 600px) {
  .nav-inner {
    flex-direction: column;
    height: auto;
    padding: 10px 0;
    gap: 8px;
  }
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}