---
const path = Astro.url.pathname;

const isActive = (href: string) => {
  if (href === "/") return path === "/";
  return path === href || path.startsWith(href);
};
---

<nav class="site-nav" aria-label="Navigation principale">
  <a href="/" aria-current={isActive("/") ? "page" : undefined}>Accueil</a>
  <span aria-hidden="true"> · </span>

  <a href="/archicrat-ia/" aria-current={isActive("/archicrat-ia/") ? "page" : undefined}>Essai-thèse — ArchiCraT-IA</a>
  <span aria-hidden="true"> · </span>

  <a href="/cas-ia/" aria-current={isActive("/cas-ia/") ? "page" : undefined}>Cas pratique — Gouvernance IA</a>
  <span aria-hidden="true"> · </span>

  <a href="/glossaire/" aria-current={isActive("/glossaire/") ? "page" : undefined}>Glossaire</a>
  <span aria-hidden="true"> · </span>

  <a href="/recherche/" aria-current={isActive("/recherche/") ? "page" : undefined}>Recherche</a>
</nav>