diff --git a/index.html b/index.html
index 771a154..30a1fbb 100644
--- a/index.html
+++ b/index.html
@@ -67,6 +67,10 @@
     <div class="total-block reveal">
       <span style="font-size: var(--kt-ai-text-lg); color: var(--kt-ai-fg-muted)">Итого в месяц</span>
       <div class="total-amount" id="totalAmount">0 ₸</div>
+      <label class="kt-ai-card" style="display: inline-flex; align-items: center; gap: var(--kt-ai-space-3); padding: var(--kt-ai-space-4) var(--kt-ai-space-5); margin: var(--kt-ai-space-5) 0; cursor: pointer">
+        <input type="checkbox" id="discountCheck" style="width: 18px; height: 18px">
+        <span style="font-weight: var(--kt-ai-weight-medium)">Скидка 10% для сотрудников КТ</span>
+      </label>
       <button class="kt-ai-btn" data-variant="primary" data-size="lg" id="copyBtn">
         <svg class="kt-icon" style="margin-right: 8px"><use href="#copy"></use></svg>
         Скопировать расчёт
@@ -114,7 +118,8 @@ const EQUIPMENT = [
 let state = {
   tariff: null,
   speed: null,
-  equipment: null
+  equipment: null,
+  discount: false
 };
 
 // Инициализация
@@ -124,6 +129,7 @@ function init() {
   updateTotal();
   renderJournal();
   setupReveal();
+  setupDiscount();
 }
 
 // Рендер опций
@@ -183,7 +189,10 @@ function updateTotal() {
     const e = EQUIPMENT.find(x => x.id === state.equipment);
     total += e.price;
   }
-  document.getElementById('totalAmount').textContent = total.toLocaleString() + ' ₸';
+  if (state.discount) {
+    total = total * 0.9;
+  }
+  document.getElementById('totalAmount').textContent = Math.round(total).toLocaleString() + ' ₸';
 }
 
 // LocalStorage
@@ -200,6 +209,18 @@ function loadState() {
   } catch (e) {}
 }
 
+// Скидка
+function setupDiscount() {
+  const check = document.getElementById('discountCheck');
+  check.checked = state.discount;
+  check.addEventListener('change', () => {
+    state.discount = check.checked;
+    saveState();
+    updateTotal();
+    logAction();
+  });
+}
+
 // Журнал
 function logAction() {
   const entry = {
@@ -225,7 +246,8 @@ function calculateTotal() {
   if (state.tariff) total += TARIFFS.find(x => x.id === state.tariff).price;
   if (state.speed) total += SPEEDS.find(x => x.id === state.speed).price;
   if (state.equipment) total += EQUIPMENT.find(x => x.id === state.equipment).price;
-  return total;
+  if (state.discount) total = total * 0.9;
+  return Math.round(total);
 }
 
 function renderJournal() {
@@ -268,11 +290,12 @@ document.getElementById('copyBtn').addEventListener('click', () => {
   const e = EQUIPMENT.find(x => x.id === state.equipment);
   const total = calculateTotal();
 
+  const discountText = state.discount ? '\n🎁 Скидка 10% (сотрудник КТ): применена' : '';
   const text = `📊 Расчёт стоимости подключения:
 
 🔹 Тариф: ${t.name} — ${t.price.toLocaleString()} ₸
 🔹 Скорость: ${s.name} — ${s.price === 0 ? 'Бесплатно' : '+' + s.price.toLocaleString() + ' ₸'}
-🔹 Оборудование: ${e.name} — ${e.price === 0 ? 'Бесплатно' : '+' + e.price.toLocaleString() + ' ₸/мес'}
+🔹 Оборудование: ${e.name} — ${e.price === 0 ? 'Бесплатно' : '+' + e.price.toLocaleString() + ' ₸/мес'}${discountText}
 
 💰 Итого: ${total.toLocaleString()} ₸ в месяц`;