diff --git a/layouts/partials/extend-footer.html b/layouts/partials/extend-footer.html
new file mode 100644
index 0000000..c3469f8
--- /dev/null
+++ b/layouts/partials/extend-footer.html
@@ -0,0 +1,72 @@
+{{ $coffeeOn := site.Params.buymeacoffee.globalWidget | default false }}
+{{ $coffeePos := lower (site.Params.buymeacoffee.globalWidgetPosition | default "right") }}
+{{ $coffeeOnRight := and $coffeeOn (eq $coffeePos "right") }}
+{{ $scrollTopOn := site.Params.footer.showScrollToTop | default true }}
+
+{{ $side := "right" }}
+{{ $bottomPx := 24 }}
+{{ if $coffeeOnRight }}
+  {{ $side = "left" }}
+{{ else if $scrollTopOn }}
+  {{ $bottomPx = 90 }}
+{{ end }}
+
+<button id="survey-trigger" type="button" aria-label="Пройти опрос"
+  style="{{ $side }}: 20px; bottom: {{ $bottomPx }}px;">
+  <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" aria-hidden="true"><path fill="currentColor" d="M152.1 38.2c9.9 8.9 10.7 24 1.8 33.9l-72 80c-4.4 4.9-10.6 7.8-17.2 7.9s-12.9-2.4-17.6-7L7 113C-2.3 103.6-2.3 88.4 7 79s24.6-9.4 33.9 0l22.1 22.1 55.1-61.2c8.9-9.9 24-10.7 33.9-1.8zm0 160c9.9 8.9 10.7 24 1.8 33.9l-72 80c-4.4 4.9-10.6 7.8-17.2 7.9s-12.9-2.4-17.6-7L7 273c-9.4-9.4-9.4-24.6 0-33.9s24.6-9.4 33.9 0l22.1 22.1 55.1-61.2c8.9-9.9 24-10.7 33.9-1.8zM224 96c0-17.7 14.3-32 32-32H480c17.7 0 32 14.3 32 32s-14.3 32-32 32H256c-17.7 0-32-14.3-32-32zm0 160c0-17.7 14.3-32 32-32H480c17.7 0 32 14.3 32 32s-14.3 32-32 32H256c-17.7 0-32-14.3-32-32zM160 416c0-17.7 14.3-32 32-32H480c17.7 0 32 14.3 32 32s-14.3 32-32 32H192c-17.7 0-32-14.3-32-32zM48 368a48 48 0 1 1 0 96 48 48 0 1 1 0-96z"/></svg>
+  <span>Опрос</span>
+</button>
+
+<script src="https://forms.yandex.ru/_static/embed.js"></script>
+
+<div id="survey-modal" class="survey-modal" hidden>
+  <div class="survey-modal__overlay" data-survey-close></div>
+  <div class="survey-modal__box">
+    <button class="survey-modal__close" data-survey-close aria-label="Закрыть">×</button>
+    <iframe
+      data-src="https://forms.yandex.ru/cloud/6a6a10ac5913304db80c1a53?iframe=1"
+      name="ya-form-6a6a10ac5913304db80c1a53"
+      frameborder="0"
+      width="100%"
+      class="survey-modal__iframe"></iframe>
+  </div>
+</div>
+
+<script>
+(function () {
+  var article = document.querySelector('.article-content');
+  if (!article) return;
+
+  var DISMISS_KEY = 'survey-dismissed-until';
+  var DISMISS_DAYS = 14;
+  var SCROLL_THRESHOLD = 0.55;
+
+  var trigger = document.getElementById('survey-trigger');
+  var modal = document.getElementById('survey-modal');
+  var iframe = modal ? modal.querySelector('iframe') : null;
+  if (!trigger || !modal) return;
+
+  if (Date.now() < Number(localStorage.getItem(DISMISS_KEY) || 0)) return;
+
+  function onScroll() {
+    var rect = article.getBoundingClientRect();
+    if (rect.height > 0 && (window.innerHeight - rect.top) / rect.height >= SCROLL_THRESHOLD) {
+      trigger.classList.add('is-visible');
+      window.removeEventListener('scroll', onScroll);
+    }
+  }
+  window.addEventListener('scroll', onScroll, { passive: true });
+  onScroll();
+
+  trigger.addEventListener('click', function () {
+    if (iframe && !iframe.src) { iframe.src = iframe.dataset.src; }
+    modal.hidden = false;
+  });
+  modal.querySelectorAll('[data-survey-close]').forEach(function (el) {
+    el.addEventListener('click', function () {
+      modal.hidden = true;
+      localStorage.setItem(DISMISS_KEY, Date.now() + DISMISS_DAYS * 86400000);
+    });
+  });
+})();
+</script>
diff --git a/layouts/partials/extend-head.html b/layouts/partials/extend-head.html
index afba6de..3eebcac 100644
--- a/layouts/partials/extend-head.html
+++ b/layouts/partials/extend-head.html
@@ -6,12 +6,82 @@
         for (var j = 0; j < document.scripts.length; j++) {if (document.scripts[j].src === r) { return; }}
         k=e.createElement(t),a=e.getElementsByTagName(t)[0],k.async=1,k.src=r,a.parentNode.insertBefore(k,a)
     })(window, document,'script','https://mc.yandex.ru/metrika/tag.js?id=106995329', 'ym');
-
     ym(106995329, 'init', {ssr:true, webvisor:true, clickmap:true, ecommerce:"dataLayer", referrer: document.referrer, url: location.href, accurateTrackBounce:true, trackLinks:true});
 </script>
 <noscript><div><img src="https://mc.yandex.ru/watch/106995329" style="position:absolute; left:-9999px;" alt="" /></div></noscript>
 <!-- /Yandex.Metrika counter -->
-
 <!-- Dzen.Metrika counter -->
 <meta name="zen-verification" content="GDc1yxlsRy03jcI1t8NJ8OTleUE3f4I4PEmfOBjz4KBCezoDX1WWctO3l8Z2HGEx" />
-<!-- /Dzen.Metrika counter -->
\ No newline at end of file
+<!-- /Dzen.Metrika counter -->
+<!-- Survey widget: floating trigger + modal styles -->
+<style>
+  #survey-trigger {
+    position: fixed;
+    z-index: 40;
+    display: inline-flex;
+    align-items: center;
+    gap: 10px;
+    padding: 14px 22px;
+    border-radius: 999px;
+    border: none;
+    background: #FF5A36;
+    color: #fff;
+    font-size: 16px;
+    font-weight: 600;
+    cursor: pointer;
+    opacity: 0;
+    transform: translateY(10px) scale(0.9);
+    pointer-events: none;
+    transition: opacity .25s ease, transform .25s ease, background .2s ease;
+    box-shadow: 0 4px 14px rgba(255,90,54,.45);
+  }
+  #survey-trigger:hover { background: #E8481F; }
+  #survey-trigger.is-visible { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
+  #survey-trigger svg { width: 20px; height: 20px; flex-shrink: 0; }
+  .survey-modal {
+    position: fixed;
+    inset: 0;
+    z-index: 10000;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    padding: 16px;
+  }
+  .survey-modal[hidden] { display: none; }
+  .survey-modal__overlay { position: absolute; inset: 0; background: rgba(0,0,0,.5); }
+  .survey-modal__box {
+    position: relative;
+    width: 100%;
+    max-width: 680px;
+    max-height: calc(100vh - 32px);
+    max-height: calc(100dvh - 32px);
+    overflow-y: auto;
+    background: #fff;
+    border-radius: 12px;
+    padding: 44px 8px 8px;
+  }
+  .survey-modal__iframe {
+    width: 100%;
+    min-height: 420px;
+    border: 0;
+    display: block;
+  }
+  .survey-modal__close {
+    position: absolute;
+    top: 8px;
+    right: 8px;
+    width: 32px;
+    height: 32px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    border: none;
+    background: #f2f2f2;
+    border-radius: 50%;
+    font-size: 20px;
+    line-height: 1;
+    cursor: pointer;
+    z-index: 1;
+  }
+  .survey-modal__close:hover { background: #e5e5e5; }
+</style>
\ No newline at end of file