/**
 * Navbar condivisa (iniettata da assets/js/site-nav.js)
 * Fixed: così resta in alto anche su body flex centrato (pagine logo).
 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: rgba(12, 12, 16, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

.site-header-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.55rem 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
}

.site-brand {
  font-size: 0.95rem;
  font-weight: 600;
  color: #e4e4ea;
  text-decoration: none;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.site-brand:hover {
  color: #6b9fff;
}

.site-brand:focus-visible {
  outline: 2px solid #6b9fff;
  outline-offset: 2px;
  border-radius: 4px;
}

.site-nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav-links a {
  font-size: 0.8rem;
  color: #9898a8;
  text-decoration: none;
  white-space: nowrap;
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
}

.site-nav-links a:hover {
  color: #e4e4ea;
}

.site-nav-links a:focus-visible {
  outline: 2px solid #6b9fff;
  outline-offset: 2px;
  border-radius: 2px;
}

.site-nav-links a[aria-current="page"] {
  color: #6b9fff;
  border-bottom-color: rgba(107, 159, 255, 0.5);
  font-weight: 500;
}

@media (max-width: 640px) {
  .site-header-inner {
    flex-direction: column;
    align-items: stretch;
  }
  .site-nav-links {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.15rem;
    gap: 0.5rem 1rem;
  }
}