diff --git a/src/lib/bitrix24/leads.ts b/src/lib/bitrix24/leads.ts
index f908f2f..89cc4ad 100644
--- a/src/lib/bitrix24/leads.ts
+++ b/src/lib/bitrix24/leads.ts
@@ -20,6 +20,31 @@ interface BitrixMultiField {
   VALUE: string
 }
 
+// The form submits stable option ids; the CRM should show the same Russian
+// labels the user sees in the UI (see ContactForm.tsx). Unknown ids fall
+// through unchanged.
+const PURPOSE_LABELS: Record<string, string> = {
+  modernization: 'Модернизация инфраструктуры',
+  'software-replacement': 'Замена импортного ПО на российское',
+  'capacity-expansion': 'Расширение мощностей',
+  'new-infrastructure': 'Создание новой инфраструктуры',
+  'security-improvement': 'Повышение безопасности',
+  automation: 'Автоматизация процессов',
+  'cloud-migration': 'Миграция в облако',
+  'disaster-recovery': 'Резервирование и восстановление',
+  compliance: 'Соответствие требованиям регуляторов',
+  other: 'Другое',
+}
+
+const TIMELINE_LABELS: Record<string, string> = {
+  urgent: 'До 1 месяца',
+  '1-3-months': '1-3 месяца',
+  '3-6-months': '3-6 месяцев',
+  '6-12-months': '6-12 месяцев',
+  '12-months-plus': 'Более 12 месяцев',
+  planning: 'На стадии планирования',
+}
+
 /** Lead fields sent to `crm.lead.add`. UF_CRM_* are mapped form fields (see consts above). */
 interface BitrixLeadFields {
   SOURCE_ID: string
@@ -96,10 +121,10 @@ function toLeadFields(submission: ContactSubmission): BitrixLeadFields {
   if (company) fields[UF_COMPANY] = company
 
   const purpose = trimmed(submission.purpose)
-  if (purpose) fields[UF_PURPOSE] = purpose
+  if (purpose) fields[UF_PURPOSE] = PURPOSE_LABELS[purpose] ?? purpose
 
   const timeline = trimmed(submission.timeline)
-  if (timeline) fields[UF_TIMELINE] = timeline
+  if (timeline) fields[UF_TIMELINE] = TIMELINE_LABELS[timeline] ?? timeline
 
   const meetingSlot = trimmed(submission.meetingSlot1)
   if (meetingSlot) fields[UF_MEETING_SLOT] = toBitrixDateTime(meetingSlot)