plyTranslations(lang) {
      document.querySelectorAll("[data-i18n]").forEach(el => {
        const key = el.getAttribute("data-i18n");
        if (translations[lang][key]) {
          el.textContent = translations[lang][key];
        }
      });
      langToggle.textContent = lang === "en" ? "FR" : "EN";
      document.documentElement.lang = lang;
    }

    langToggle.addEventListener("click", () => {
      currentLang = currentLang === "en" ? "fr" : "en";
      applyTranslations(currentLang);
    });

    applyTranslations(currentLang);
  </script>
</body>
</html>