{{- if not site.Config.Privacy.GoogleAnalytics.Disable -}}
    {{- with site.Config.Services.GoogleAnalytics.ID -}}
        {{- if strings.HasPrefix (lower .) "ua-" -}}
            {{- warnf "Google Analytics 4 (GA4) replaced Google Universal Analytics (UA) effective 1 July 2023. See https://support.google.com/analytics/answer/11583528. Create a GA4 property and data stream, then replace the Google Analytics ID in your site configuration with the new value." -}}
        {{- else -}}
            {{/* Consent-gated Google Analytics - only loads after analytics consent */}}
            <script>
            (function() {
                var gaId = {{ . }};
                var loaded = false;
                var respectDNT = {{ site.Config.Privacy.GoogleAnalytics.RespectDoNotTrack }};

                function loadGA() {
                    if (loaded) return;

                    // Respect Do Not Track browser setting if configured
                    if (respectDNT) {
                        var dnt = (navigator.doNotTrack || window.doNotTrack || navigator.msDoNotTrack);
                        if (dnt == "1" || dnt == "yes") {
                            return;
                        }
                    }

                    loaded = true;

                    var script = document.createElement('script');
                    script.async = true;
                    script.src = 'https://www.googletagmanager.com/gtag/js?id=' + gaId;
                    document.head.appendChild(script);

                    window.dataLayer = window.dataLayer || [];
                    function gtag(){dataLayer.push(arguments);}
                    gtag('js', new Date());
                    gtag('config', gaId);
                }

                window.addEventListener('onCookieConsentChange', function(e) {
                    if (e.detail && e.detail.analytics) {
                        loadGA();
                    }
                });

                if (window.cookieConsent && window.cookieConsent.hasConsent('analytics')) {
                    loadGA();
                }
            })();
            </script>
        {{- end -}}
    {{- end -}}
{{- end -}}