diff --git a/.env.example b/.env.example
deleted file mode 100644
index 399f234..0000000
--- a/.env.example
+++ /dev/null
@@ -1,8 +0,0 @@
-# Скопируйте в .env — подойдут и имена из Next (NEXT_PUBLIC_*), и VITE_*.
-VITE_API_URL=https://example.com/api/
-NEXT_PUBLIC_API=https://example.com/api/
-
-# База для полей image вида projects/uuid.jpg (со слэшем на конце).
-# Пример: https://storage.yandexcloud.net/dult-faib-knac-fint/
-VITE_S3_BUCKET=https://storage.yandexcloud.net/your-bucket/
-NEXT_PUBLIC_S3_BUCKET=https://storage.yandexcloud.net/your-bucket/
diff --git a/public/demo/cards/dns-city.jpg b/public/demo/cards/dns-city.jpg
deleted file mode 100644
index 7b62d86..0000000
Binary files a/public/demo/cards/dns-city.jpg and /dev/null differ
diff --git a/public/demo/cards/prokshino.jpg b/public/demo/cards/prokshino.jpg
deleted file mode 100644
index b745e33..0000000
Binary files a/public/demo/cards/prokshino.jpg and /dev/null differ
diff --git a/public/demo/cards/rivayat.jpg b/public/demo/cards/rivayat.jpg
deleted file mode 100644
index 468cb96..0000000
Binary files a/public/demo/cards/rivayat.jpg and /dev/null differ
diff --git a/public/img/pages/stream-demo/showreel.png b/public/img/showreel.png
similarity index 100%
rename from public/img/pages/stream-demo/showreel.png
rename to public/img/showreel.png
diff --git a/public/videos/pages/home/streaming.mp4 b/public/videos/streaming.mp4
similarity index 100%
rename from public/videos/pages/home/streaming.mp4
rename to public/videos/streaming.mp4
diff --git a/src/components/Layout/Feedback.tsx b/src/components/Layout/Feedback.tsx
index 88b1c61..3b92531 100644
--- a/src/components/Layout/Feedback.tsx
+++ b/src/components/Layout/Feedback.tsx
@@ -1,19 +1,8 @@
-import { api } from "@/lib/api";
-import { projectsTags } from "@/consts/projectsTags";
-import type { Product } from "@/types/Product";
-import { Button } from "@/ui/Button";
-import { CheckboxesGroup } from "@/ui/CheckboxesGroup";
-import { PhoneInputRu } from "@/ui/PhoneInputRu";
+import type { Product } from "@/types";
 import useAddReferer from "@/hooks/useAddReferer";
-import { useRefererStore } from "@/stores/useRefererStore";
 import { useModalStore } from "@/stores/useModalStore";
-import {
-  Controller,
-  FormProvider,
-  useForm,
-} from "react-hook-form";
-import CheckIcon from "@/components/icons/CheckIcon";
 import FeedbackModal from "@/components/modals/FeedbackFormModal";
+import { LeadForm } from "@/features/lead-form/LeadForm";
 
 const DEFAULT_STREAM_DEMO_PRODUCTS = [
   "Удаленная демонстрация",
@@ -37,130 +26,16 @@ export function Feedback() {
   );
 }
 
-interface IInput {
-  fullname: string;
-  phone: string;
-  email: string;
-  products: Product[];
-  referer?: string | null;
-}
-
 export function FeedbackForm() {
-  const { referer } = useRefererStore();
   const { setModal } = useModalStore();
 
-  const form = useForm<IInput>({
-    defaultValues: {
-      fullname: "",
-      email: "",
-      phone: "",
-      products: DEFAULT_STREAM_DEMO_PRODUCTS,
-    },
-  });
-
-  const { register, handleSubmit, formState, control } = form;
-
-  async function onSubmit(data: IInput) {
-    const { id } = await api
-      .post("mail", { json: { ...data, referer } })
-      .json<{ id: string }>();
-    setModal(<FeedbackModal id={id} />);
-  }
-
   return (
     <div className="flex-1 space-y-4 lg:max-w-[47.431vw]">
       <div className="space-y-10">
-        {!formState.isSubmitted ? (
-          <FormProvider {...form}>
-            <form
-              className="lg:space-y-[1.944vw] md:max-lg:space-y-7 space-y-3"
-              onSubmit={handleSubmit(onSubmit)}
-            >
-              <div className="lg:space-y-[1.111vw] space-y-4">
-                <p className="heading2 font-medium">Нам нужно</p>
-                <CheckboxesGroup name="products" options={projectsTags} />
-              </div>
-              <input
-                id="name"
-                autoComplete="none"
-                type="text"
-                required
-                placeholder="Имя*"
-                {...register("fullname")}
-                className="bg-transparent border-b border-[#37393B] focus:border-white py-4 rounded-none outline-none transition-all w-full placeholder:btnl btnl placeholder:font-medium placeholder:select-none"
-              />
-              <input
-                autoComplete="none"
-                required
-                id="email"
-                type="email"
-                placeholder="Email*"
-                {...register("email")}
-                className="bg-transparent border-b border-[#37393B] focus:border-white py-4 rounded-none btnl outline-none transition-all w-full placeholder:btnl placeholder:font-medium placeholder:select-none"
-              />
-              <div className="flex gap-x-3 py-2 border-[#3D425C] relative">
-                <Controller
-                  name="phone"
-                  control={control}
-                  rules={{ required: true }}
-                  render={({ field }) => (
-                    <PhoneInputRu
-                      value={field.value}
-                      onChange={field.onChange}
-                      onBlur={field.onBlur}
-                      inputRef={field.ref}
-                    />
-                  )}
-                />
-                <div className="bottom-0 absolute w-full border-b border-[#37393B] peer-focus:border-white -mb-2" />
-              </div>
-              <div className="md:flex items-stretch lg:gap-[0.833vw] gap-3">
-                <Button
-                  type="submit"
-                  className="btnl max-md:mb-3 max-md:w-full lg:px-[2.222vw] lg:py-[1.389vw] px-8 py-5 cursor-pointer lg:rounded-[1.111vw] rounded-2xl"
-                >
-                  Оставить заявку
-                </Button>
-                <div className="text2 xl:max-w-[60%] md:max-lg:max-w-[40%] md:max-lg:py-1">
-                  <span className="text-[#7A7A7A]">
-                    *Нажимая кнопку отправить, вы даете
-                  </span>{" "}
-                  <a
-                    target="_blank"
-                    rel="noopener noreferrer"
-                    href={"/privacy-policy"}
-                    className="underline"
-                  >
-                    согласие на обработку персональных данных
-                  </a>{" "}
-                  <span className="text-[#7A7A7A]">и принимаете </span>
-                  <a
-                    target="_blank"
-                    rel="noopener noreferrer"
-                    href={"/policy"}
-                    className="underline"
-                  >
-                    условия политики
-                  </a>
-                </div>
-              </div>
-            </form>
-          </FormProvider>
-        ) : (
-          <div className="bg-[#37393B99] aspect-[643/480] w-full rounded-2xl flex justify-center items-center">
-            <div className="flex gap-3 justify-center items-center">
-              <div className="bg-gradient p-3 rounded-full">
-                <div className="text-white lg:size-[1.667vw] size-6">
-                  <CheckIcon />
-                </div>
-              </div>
-              <p className="heading2 font-medium">
-                Мы получили заявку
-                <br />и скоро свяжемся с вами!
-              </p>
-            </div>
-          </div>
-        )}
+        <LeadForm
+          defaultProducts={DEFAULT_STREAM_DEMO_PRODUCTS}
+          onSuccess={(id) => setModal(<FeedbackModal id={id} />)}
+        />
       </div>
     </div>
   );
diff --git a/src/components/Layout/LineBreak.tsx b/src/components/Layout/LineBreak.tsx
index adad0db..10b4485 100644
--- a/src/components/Layout/LineBreak.tsx
+++ b/src/components/Layout/LineBreak.tsx
@@ -1,5 +1,3 @@
-import React from "react";
-
 interface BRProps {
   lg?: boolean;
   md?: boolean;
diff --git a/src/components/modals/FeedbackFormModal.tsx b/src/components/modals/FeedbackFormModal.tsx
index 395bb8c..b4fca6f 100644
--- a/src/components/modals/FeedbackFormModal.tsx
+++ b/src/components/modals/FeedbackFormModal.tsx
@@ -47,8 +47,8 @@ function FeedbackModal({ id }: { id: string }) {
         </div>
 
         <ul className="md:mb-[49px] mb-[58px] flex flex-col gap-y-[12px]">
-          {modalOptions.map((item, index) => (
-            <li key={index} className="flexfont-normal">
+          {modalOptions.map((item) => (
+            <li key={item} className="flexfont-normal">
               <CustomCheckbox value={item} onChange={onCheckboxChange} />
             </li>
           ))}
diff --git a/src/components/modals/QuestionFormModal.tsx b/src/components/modals/QuestionFormModal.tsx
index 2d085ba..c1b3e54 100644
--- a/src/components/modals/QuestionFormModal.tsx
+++ b/src/components/modals/QuestionFormModal.tsx
@@ -1,59 +1,31 @@
-import React, { useRef } from "react";
-import { Button } from "@/ui/Button";
-import { PhoneInputRu } from "@/ui/PhoneInputRu";
+import { useRef, type RefObject } from "react";
 import { useOnClickOutside } from "usehooks-ts";
 import { useModalStore } from "@/stores/useModalStore";
-import { Controller, FormProvider, useForm } from "react-hook-form";
-import CheckIcon from "@/components/icons/CheckIcon";
-import { projectsTags } from "@/consts/projectsTags";
-import { CheckboxesGroup } from "@/ui/CheckboxesGroup";
-import { Product } from "@/types/Product";
+import type { Product } from "@/types";
 import FeedbackModal from "./FeedbackFormModal";
-import { api } from "@/lib/api";
-import { useRefererStore } from "@/stores/useRefererStore";
 import CloseIcon from "@/components/icons/CloseIcon";
+import { LeadForm } from "@/features/lead-form/LeadForm";
 
-interface IInput {
-  fullname: string;
-  phone: string;
-  email: string;
-  products1: Product[];
-  referer?: string | null;
-}
+const DEFAULT_MODAL_PRODUCTS = [
+  "Создание сайтов",
+  "Веб-тур по 360 сферам",
+] as Product[];
 
-interface IQuestionFormModalProps {
+interface QuestionFormModalProps {
   products?: Product[];
 }
 
 export default function QuestionFormModal({
   products,
-}: IQuestionFormModalProps) {
-  const { referer } = useRefererStore();
+}: QuestionFormModalProps) {
   const { setModal } = useModalStore();
 
-  const formRef = useRef(null);
+  const formRef = useRef<HTMLDivElement>(null);
 
-  useOnClickOutside(formRef, () => {
+  useOnClickOutside(formRef as RefObject<HTMLElement>, () => {
     setModal(null);
   });
 
-  const form = useForm<IInput>({
-    defaultValues: {
-      phone: "",
-      products1:
-        products || (["Создание сайтов", "Веб-тур по 360 сферам"] as Product[]),
-    },
-  });
-
-  const { register, handleSubmit, formState, control } = form;
-
-  async function onSubmit(data: IInput) {
-    const { id } = await api
-      .post("mail", { json: { ...data, products: data.products1, referer } })
-      .json<{ id: string }>();
-    setModal(<FeedbackModal id={id} />);
-  }
-
   return (
     <div
       ref={formRef}
@@ -68,98 +40,12 @@ export default function QuestionFormModal({
           <CloseIcon />
         </div>
       </button>
-      {!formState.isSubmitted ? (
-        <FormProvider {...form}>
-          <form
-            className="lg:space-y-[1.944vw] md:max-lg:space-y-7 space-y-3"
-            onSubmit={handleSubmit(onSubmit)}
-          >
-            <div className="lg:space-y-[1.111vw] space-y-4">
-              <p className="heading2 font-medium">Нам нужно</p>
-              <CheckboxesGroup name="products1" options={projectsTags} />
-            </div>
-            <input
-              id="name"
-              autoComplete="none"
-              type="text"
-              required
-              placeholder="Имя*"
-              {...register("fullname")}
-              className="bg-transparent border-b border-[#37393B] focus:border-white py-4 rounded-none outline-none transition-all w-full placeholder:btnl btnl placeholder:font-medium placeholder:select-none"
-            />
-            <input
-              autoComplete="none"
-              required
-              id="email"
-              type="email"
-              placeholder="Email*"
-              {...register("email")}
-              className="bg-transparent border-b border-[#37393B] focus:border-white py-4 rounded-none btnl outline-none transition-all w-full placeholder:btnl placeholder:font-medium placeholder:select-none"
-            />
-            <div className="flex gap-x-3 py-2 border-[#3D425C] relative">
-              <Controller
-                name="phone"
-                control={control}
-                rules={{ required: true }}
-                render={({ field }) => (
-                  <PhoneInputRu
-                    value={field.value}
-                    onChange={field.onChange}
-                    onBlur={field.onBlur}
-                    inputRef={field.ref}
-                    placeholder="+X (XXX) XXX - XX - XX"
-                  />
-                )}
-              />
-              <div className="bottom-0 absolute w-full border-b border-[#37393B] peer-focus:border-white -mb-2" />
-            </div>
-            <div className="md:flex items-stretch lg:gap-[0.833vw] gap-3">
-              <Button
-                type="submit"
-                className="btnl max-md:mb-3 max-md:w-full lg:px-[2.222vw] lg:py-[1.389vw] px-8 py-5 cursor-pointer lg:rounded-[1.111vw] rounded-2xl"
-              >
-                Оставить заявку
-              </Button>
-              <div className="text2 xl:max-w-[60%] md:max-lg:max-w-[40%] md:max-lg:py-1">
-                <span className="text-[#7A7A7A]">
-                  *Нажимая кнопку отправить, вы даете
-                </span>{" "}
-                <a
-                  target="_blank"
-                  rel="noreferrer"
-                  href={"/privacy-policy"}
-                  className="underline"
-                >
-                  согласие на обработку персональных данных
-                </a>{" "}
-                <span className="text-[#7A7A7A]">и принимаете </span>
-                <a
-                  target="_blank"
-                  rel="noreferrer"
-                  href={"/policy"}
-                  className="underline"
-                >
-                  условия политики
-                </a>
-              </div>
-            </div>
-          </form>
-        </FormProvider>
-      ) : (
-        <div className="bg-[#37393B99] aspect-[643/480] w-full rounded-2xl flex justify-center items-center">
-          <div className="flex gap-3 justify-center items-center">
-            <div className="bg-gradient p-3 rounded-full">
-              <div className="text-white lg:size-[1.667vw] size-6">
-                <CheckIcon />
-              </div>
-            </div>
-            <p className="heading2 font-medium">
-              Мы получили заявку
-              <br />и скоро свяжемся с вами!
-            </p>
-          </div>
-        </div>
-      )}
+      <LeadForm
+        defaultProducts={products ?? DEFAULT_MODAL_PRODUCTS}
+        idPrefix="modal-"
+        phonePlaceholder="+X (XXX) XXX - XX - XX"
+        onSuccess={(id) => setModal(<FeedbackModal id={id} />)}
+      />
     </div>
   );
 }
diff --git a/src/consts/projectsTags.ts b/src/consts/projectsTags.ts
index 86adad3..78a4d68 100644
--- a/src/consts/projectsTags.ts
+++ b/src/consts/projectsTags.ts
@@ -1,4 +1,4 @@
-import type { Product } from "@/types/Product";
+import type { Product } from "@/types";
 
 export const projectsTags: Product[] = [
   "Интерактивная презентация",
diff --git a/src/consts/streaming.ts b/src/consts/streaming.ts
deleted file mode 100644
index b344599..0000000
--- a/src/consts/streaming.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-export const streaming = [
-  {
-    title: "ЖК «Риваят»",
-    url: "https://stream.graff.tech/?build=PortovayaDev&location=a1",
-  },
-  {
-    title: "БК «Прокшино»",
-    url: "https://stream.graff.tech/?build=Prokshino&location=a1",
-  },
-  {
-    title: "ЖК «DNS Сити»",
-    url: "https://stream.graff.tech/?build=DNScity&location=a1",
-  },
-  {
-    title: "ЖК «Upside Towers»",
-    url: "https://stream.graff.tech/?build=upsideTowersDev&location=a1",
-  },
-];
diff --git a/src/features/lead-form/LeadForm.tsx b/src/features/lead-form/LeadForm.tsx
new file mode 100644
index 0000000..8c65487
--- /dev/null
+++ b/src/features/lead-form/LeadForm.tsx
@@ -0,0 +1,152 @@
+import { useState } from "react";
+import { api } from "@/lib/api";
+import { projectsTags } from "@/consts/projectsTags";
+import type { Product } from "@/types";
+import { Button } from "@/ui/Button";
+import { CheckboxesGroup } from "@/ui/CheckboxesGroup";
+import { PhoneInputRu } from "@/ui/PhoneInputRu";
+import { useRefererStore } from "@/stores/useRefererStore";
+import {
+  Controller,
+  FormProvider,
+  useForm,
+  type SubmitHandler,
+} from "react-hook-form";
+import type { LeadFormValues } from "./types";
+
+export type { LeadFormValues } from "./types";
+
+const GENERIC_SUBMIT_ERROR =
+  "Не удалось отправить заявку. Попробуйте позже.";
+
+export function LeadForm({
+  defaultProducts,
+  idPrefix = "",
+  onSuccess,
+  phonePlaceholder,
+  formClassName = "lg:space-y-[1.944vw] md:max-lg:space-y-7 space-y-3",
+}: {
+  defaultProducts: Product[];
+  /** Префикс для id полей (например `modal-`), чтобы избежать дублей в DOM */
+  idPrefix?: string;
+  onSuccess: (id: string) => void;
+  phonePlaceholder?: string;
+  formClassName?: string;
+}) {
+  const { referer } = useRefererStore();
+  const [submitError, setSubmitError] = useState<string | null>(null);
+
+  const form = useForm<LeadFormValues>({
+    defaultValues: {
+      fullname: "",
+      email: "",
+      phone: "",
+      products: defaultProducts,
+    },
+  });
+
+  const { register, handleSubmit, formState, control } = form;
+  const nameId = idPrefix ? `${idPrefix}name` : "name";
+  const emailId = idPrefix ? `${idPrefix}email` : "email";
+
+  const onSubmit: SubmitHandler<LeadFormValues> = async (data) => {
+    setSubmitError(null);
+    try {
+      const { id } = await api
+        .post("mail", { json: { ...data, referer } })
+        .json<{ id: string }>();
+      onSuccess(id);
+    } catch {
+      setSubmitError(GENERIC_SUBMIT_ERROR);
+    }
+  };
+
+  return (
+    <FormProvider {...form}>
+      <form
+        className={formClassName}
+        onSubmit={handleSubmit(onSubmit)}
+        noValidate
+      >
+        {submitError ? (
+          <p className="text-sm text-red-400" role="alert">
+            {submitError}
+          </p>
+        ) : null}
+        <div className="lg:space-y-[1.111vw] space-y-4">
+          <p className="heading2 font-medium">Нам нужно</p>
+          <CheckboxesGroup<LeadFormValues>
+            name="products"
+            options={projectsTags}
+          />
+        </div>
+        <input
+          id={nameId}
+          autoComplete="none"
+          type="text"
+          required
+          placeholder="Имя*"
+          {...register("fullname")}
+          className="bg-transparent border-b border-[#37393B] focus:border-white py-4 rounded-none outline-none transition-all w-full placeholder:btnl btnl placeholder:font-medium placeholder:select-none"
+        />
+        <input
+          autoComplete="none"
+          required
+          id={emailId}
+          type="email"
+          placeholder="Email*"
+          {...register("email")}
+          className="bg-transparent border-b border-[#37393B] focus:border-white py-4 rounded-none btnl outline-none transition-all w-full placeholder:btnl placeholder:font-medium placeholder:select-none"
+        />
+        <div className="flex gap-x-3 py-2 border-[#3D425C] relative">
+          <Controller
+            name="phone"
+            control={control}
+            rules={{ required: true }}
+            render={({ field }) => (
+              <PhoneInputRu
+                value={field.value}
+                onChange={field.onChange}
+                onBlur={field.onBlur}
+                inputRef={field.ref}
+                placeholder={phonePlaceholder}
+              />
+            )}
+          />
+          <div className="bottom-0 absolute w-full border-b border-[#37393B] peer-focus:border-white -mb-2" />
+        </div>
+        <div className="md:flex items-stretch lg:gap-[0.833vw] gap-3">
+          <Button
+            type="submit"
+            disabled={formState.isSubmitting}
+            className="btnl max-md:mb-3 max-md:w-full lg:px-[2.222vw] lg:py-[1.389vw] px-8 py-5 cursor-pointer lg:rounded-[1.111vw] rounded-2xl disabled:opacity-60"
+          >
+            Оставить заявку
+          </Button>
+          <div className="text2 xl:max-w-[60%] md:max-lg:max-w-[40%] md:max-lg:py-1">
+            <span className="text-[#7A7A7A]">
+              *Нажимая кнопку отправить, вы даете
+            </span>{" "}
+            <a
+              target="_blank"
+              rel="noopener noreferrer"
+              href="/privacy-policy"
+              className="underline"
+            >
+              согласие на обработку персональных данных
+            </a>{" "}
+            <span className="text-[#7A7A7A]">и принимаете </span>
+            <a
+              target="_blank"
+              rel="noopener noreferrer"
+              href="/policy"
+              className="underline"
+            >
+              условия политики
+            </a>
+          </div>
+        </div>
+      </form>
+    </FormProvider>
+  );
+}
diff --git a/src/features/lead-form/types.ts b/src/features/lead-form/types.ts
new file mode 100644
index 0000000..8af45f8
--- /dev/null
+++ b/src/features/lead-form/types.ts
@@ -0,0 +1,8 @@
+import type { Product } from "@/types";
+
+export interface LeadFormValues {
+  fullname: string;
+  phone: string;
+  email: string;
+  products: Product[];
+}
diff --git a/src/features/stream-demo/AvailableDemos.tsx b/src/features/stream-demo/AvailableDemos.tsx
index 9302a91..ca094ef 100644
--- a/src/features/stream-demo/AvailableDemos.tsx
+++ b/src/features/stream-demo/AvailableDemos.tsx
@@ -1,15 +1,16 @@
-import React, { useState } from "react";
+import { useState } from "react";
 import BR from "@/components/Layout/LineBreak";
-import { useGetProjectsQuery } from "@/queries/getProjects";
+import {
+  REMOTE_DEMO_TAG,
+  useGetProjectsQuery,
+} from "@/queries/getProjects";
 import { StreamingProject } from "./StreamingProject";
 import { useSwipeable } from "react-swipeable";
 import { useMediaQueries } from "@/hooks/useMediaQueries";
 
 export default function AvailableDemos() {
   const { isMd, isLg } = useMediaQueries();
-  const { data: streamingProjects } = useGetProjectsQuery(
-    "Удаленная демонстрация"
-  );
+  const { data: streamingProjects } = useGetProjectsQuery(REMOTE_DEMO_TAG);
   const [current, setCurrent] = useState(0);
 
   const projects = streamingProjects ?? [];
@@ -97,7 +98,6 @@ export default function AvailableDemos() {
               className={`w-full ${index === 0 ? "flex-auto" : "flex-1"}`}
             >
               <StreamingProject
-                key={project.id}
                 {...project}
                 index={index}
                 current={current}
diff --git a/src/features/stream-demo/RequestForDemo.tsx b/src/features/stream-demo/RequestForDemo.tsx
index 6b28d1b..3237b18 100644
--- a/src/features/stream-demo/RequestForDemo.tsx
+++ b/src/features/stream-demo/RequestForDemo.tsx
@@ -1,4 +1,3 @@
-import React from "react";
 import BR from "@/components/Layout/LineBreak";
 import { Button } from "@/ui/Button";
 import QuestionFormModal from "@/components/modals/QuestionFormModal";
@@ -38,7 +37,7 @@ export default function RequestForDemo() {
       </div>
 
       <img
-        src="/img/pages/stream-demo/showreel.png"
+        src="/img/showreel.png"
         alt=""
         className="lg:h-[44.444vw] md:h-[57.292vw] h-[122.222vw] max-md:rounded-[4.444vw] object-cover"
       />
diff --git a/src/features/stream-demo/StreamDemo.tsx b/src/features/stream-demo/StreamDemo.tsx
index 59a800a..0bb39bd 100644
--- a/src/features/stream-demo/StreamDemo.tsx
+++ b/src/features/stream-demo/StreamDemo.tsx
@@ -1,4 +1,3 @@
-import React from "react";
 import { Feedback } from "@/components/Layout/Feedback";
 import AvailableDemos from "./AvailableDemos";
 import RequestForDemo from "./RequestForDemo";
diff --git a/src/features/stream-demo/StreamPlayer.tsx b/src/features/stream-demo/StreamPlayer.tsx
index 8e48730..d56cd5a 100644
--- a/src/features/stream-demo/StreamPlayer.tsx
+++ b/src/features/stream-demo/StreamPlayer.tsx
@@ -1,10 +1,10 @@
-import React from "react";
-import { resolvePublicPath } from "@/lib/env";
 import { VideoPlayer } from "@/ui/VideoPlayer";
 
-const STREAMING_VIDEO_SRC = resolvePublicPath(
-  "/videos/pages/home/streaming.mp4"
-);
+const viteBase = import.meta.env.BASE_URL;
+const STREAMING_VIDEO_SRC =
+  !viteBase || viteBase === "/"
+    ? "/videos/streaming.mp4"
+    : `${viteBase.replace(/\/$/, "")}/videos/streaming.mp4`;
 
 export default function StreamPlayer({ className }: { className?: string }) {
   return (
diff --git a/src/features/stream-demo/StreamingProject.tsx b/src/features/stream-demo/StreamingProject.tsx
index 96527a5..4dd4ec8 100644
--- a/src/features/stream-demo/StreamingProject.tsx
+++ b/src/features/stream-demo/StreamingProject.tsx
@@ -1,6 +1,6 @@
-import { streaming } from "@/consts/streaming";
+import { streamDemoUrlFromBuild } from "@/lib/streamDemoUrl";
 import { resolveProjectImageSrc } from "@/lib/resolveProjectImageSrc";
-import { IProject } from "@/types/IProject";
+import type { IProject } from "@/types";
 import ArrowMoreIcon from "@/components/icons/ArrowMoreIcon";
 
 export function StreamingProject({
@@ -8,12 +8,13 @@ export function StreamingProject({
   title,
   image,
   href,
+  buildFilename,
   company,
   index,
   current,
   count,
   className,
-}: Pick<IProject, "city" | "title" | "image" | "company"> & {
+}: Pick<IProject, "city" | "title" | "image" | "company" | "buildFilename"> & {
   href: string;
   index: number;
   current: number;
@@ -21,6 +22,8 @@ export function StreamingProject({
   className?: string;
 }) {
   const imgSrc = resolveProjectImageSrc(image);
+  const build = buildFilename?.trim() ?? "";
+  const streamHref = build ? streamDemoUrlFromBuild(build) : href;
 
   return (
     <div
@@ -69,7 +72,7 @@ export function StreamingProject({
       <div className="z-[2] lg:hidden absolute right-4 bottom-4">
         <a
           className="bg-gradient btns flex gap-2 items-center px-3 py-2 font-medium rounded-xl"
-          href={streaming.find((s) => s.title === title)?.url ?? href}
+          href={streamHref}
         >
           Смотреть
           <div className="text-white lg:size-[1.389vw] size-4">
@@ -78,7 +81,7 @@ export function StreamingProject({
         </a>
       </div>
       <a
-        href={streaming.find((s) => s.title === title)?.url ?? href}
+        href={streamHref}
         className="max-lg:hidden lg:group-hover:opacity-100 opacity-0 transition-opacity duration-500 absolute w-full h-full left-0 bottom-0 md:max-lg:rounded-2xl rounded-xl font-medium [backdrop-filter:blur(3px)] content-center text-center z-[3]"
       >
         <div className="btnl flex gap-2 justify-center">
diff --git a/src/lib/api.ts b/src/lib/api.ts
index bcad171..e425c82 100644
--- a/src/lib/api.ts
+++ b/src/lib/api.ts
@@ -1,7 +1,13 @@
 import ky from "ky";
-import { getApiBase } from "@/lib/env";
 
-const base = getApiBase();
+function str(v: unknown): string {
+  return typeof v === "string" ? v.trim() : "";
+}
+
+const raw = str(import.meta.env.VITE_API_URL);
+const base = raw ? raw.replace(/\/?$/, "/") : "";
+
+export const hasApiConfigured = base.length > 0;
 
 export const api = ky.create({
   prefixUrl: base || undefined,
diff --git a/src/lib/env.ts b/src/lib/env.ts
deleted file mode 100644
index ea54f7c..0000000
--- a/src/lib/env.ts
+++ /dev/null
@@ -1,40 +0,0 @@
-/**
- * Доступ к публичным переменным окружения.
- * Поддерживаются и VITE_*, и NEXT_PUBLIC_* (см. envPrefix в vite.config.ts).
- */
-function str(v: unknown): string {
-  return typeof v === "string" ? v.trim() : "";
-}
-
-export function getApiBase(): string {
-  const v =
-    str(import.meta.env.VITE_API_URL) || str(import.meta.env.NEXT_PUBLIC_API);
-  if (!v) return "";
-  return v.replace(/\/?$/, "/");
-}
-
-export function hasApiConfigured(): boolean {
-  return getApiBase().length > 0;
-}
-
-export function getS3BucketBase(): string {
-  return (
-    str(import.meta.env.VITE_S3_BUCKET) ||
-    str(import.meta.env.NEXT_PUBLIC_S3_BUCKET)
-  );
-}
-
-/** Путь из public/ (`/videos/...`) с учётом `base` в Vite */
-export function resolvePublicPath(path: string): string {
-  if (
-    path.startsWith("http://") ||
-    path.startsWith("https://") ||
-    path.startsWith("data:")
-  ) {
-    return path;
-  }
-  if (!path.startsWith("/")) return path;
-  const base = import.meta.env.BASE_URL;
-  if (!base || base === "/") return path;
-  return `${base.replace(/\/$/, "")}${path}`;
-}
diff --git a/src/lib/resolveProjectImageSrc.ts b/src/lib/resolveProjectImageSrc.ts
index 293f129..ed2e2c0 100644
--- a/src/lib/resolveProjectImageSrc.ts
+++ b/src/lib/resolveProjectImageSrc.ts
@@ -1,9 +1,7 @@
-import { getS3BucketBase } from "@/lib/env";
-
 /**
  * Как на основном сайте: в API может прийти уже полный URL
  * (`https://storage.yandexcloud.net/bucket/projects/uuid.jpg`) или ключ
- * (`projects/uuid.jpg`) — тогда к нему дописывается VITE_S3_BUCKET / NEXT_PUBLIC_S3_BUCKET.
+ * (`projects/uuid.jpg`) — тогда к нему дописывается VITE_S3_BUCKET.
  */
 export function resolveProjectImageSrc(image: string): string {
   let src = image
@@ -34,7 +32,10 @@ export function resolveProjectImageSrc(image: string): string {
     return `${base.replace(/\/$/, "")}${src}`;
   }
 
-  const s3BaseRaw = getS3BucketBase();
+  const s3BaseRaw =
+    typeof import.meta.env.VITE_S3_BUCKET === "string"
+      ? import.meta.env.VITE_S3_BUCKET.trim()
+      : "";
   if (!s3BaseRaw) return src;
   const base = s3BaseRaw.replace(/\/?$/, "/");
   const path = src.replace(/^\//, "");
diff --git a/src/lib/streamDemoUrl.ts b/src/lib/streamDemoUrl.ts
new file mode 100644
index 0000000..6111bb5
--- /dev/null
+++ b/src/lib/streamDemoUrl.ts
@@ -0,0 +1,11 @@
+/** Базовый URL демо-стрима из `.env` (`VITE_STREAM_DEMO_ORIGIN`). */
+export const STREAM_DEMO_ORIGIN =
+  import.meta.env.VITE_STREAM_DEMO_ORIGIN?.replace(/\/$/, "") ??
+  "https://stream.graff.tech";
+
+export function streamDemoUrlFromBuild(buildFilename: string): string {
+  const build = buildFilename.trim();
+  const params = new URLSearchParams({ location: "a1" });
+  if (build) params.set("build", build);
+  return `${STREAM_DEMO_ORIGIN}/?${params.toString()}`;
+}
diff --git a/src/main.tsx b/src/main.tsx
index 060deb7..19398db 100644
--- a/src/main.tsx
+++ b/src/main.tsx
@@ -5,7 +5,14 @@ import App from "./App";
 import { ModalContainer } from "@/components/Layout/ModalContainer";
 import "./index.css";
 
-const queryClient = new QueryClient();
+const queryClient = new QueryClient({
+  defaultOptions: {
+    queries: {
+      staleTime: 3 * 60 * 1000,
+      retry: 2,
+    },
+  },
+});
 
 createRoot(document.getElementById("root")!).render(
   <StrictMode>
diff --git a/src/queries/getProjects.ts b/src/queries/getProjects.ts
index 4721436..10d799a 100644
--- a/src/queries/getProjects.ts
+++ b/src/queries/getProjects.ts
@@ -1,48 +1,47 @@
-import { api } from "@/lib/api";
-import { streaming } from "@/consts/streaming";
-import { hasApiConfigured } from "@/lib/env";
-import { IProject } from "@/types/IProject";
+import { api, hasApiConfigured } from "@/lib/api";
+import type { IProject } from "@/types";
 import { queryKeys } from "@/queries/keys";
 import { queryOptions, useQuery } from "@tanstack/react-query";
 
-const hasApi = hasApiConfigured();
+/** Тег фильтра на стороне API (как в CMS). */
+export const REMOTE_DEMO_TAG = "Удаленная демонстрация";
 
-export const queryProjectsOptions = queryOptions({
-  queryKey: queryKeys.projects,
-  queryFn: () => api.get("projects").json<IProject[]>(),
-  enabled: hasApi,
-});
+function releaseTimestamp(p: IProject): number {
+  const t = Date.parse(p.releaseDate);
+  return Number.isNaN(t) ? 0 : t;
+}
 
 export function useGetProjectsQuery(tags?: string | string[]) {
-  return useQuery(
+  const tagList =
     tags && tags.length > 0
-      ? queryOptions({
-          queryKey: queryKeys.projectsWithTags(
-            Array.isArray(tags) ? tags : [tags]
-          ),
-          queryFn: () =>
-            api
-              .get(
-                `projects?${
-                  Array.isArray(tags)
-                    ? tags.map((tag) => `tags=${tag}`).join("&")
-                    : "tags=" + tags
-                }`
-              )
-              .json<IProject[]>(),
-          enabled: hasApi,
-          select:
-            tags === "Удаленная демонстрация"
-              ? (data) => {
-                  const filtered = data.filter((p) =>
-                    streaming.some((s) => s.title === p.title)
-                  );
-                  if (filtered.length > 0) return filtered;
-                  /* Нет совпадений со списком streaming — показываем первые 3 проекта из ответа API */
-                  return data.slice(0, 3);
-                }
-              : undefined,
-        })
-      : queryProjectsOptions
+      ? Array.isArray(tags)
+        ? tags
+        : [tags]
+      : [];
+
+  return useQuery(
+    queryOptions({
+      queryKey: queryKeys.projectsWithTags(tagList),
+      queryFn: () => {
+        if (tagList.length === 0) {
+          return api.get("projects").json<IProject[]>();
+        }
+        const qs = tagList
+          .map((tag) => `tags=${encodeURIComponent(tag)}`)
+          .join("&");
+        return api.get(`projects?${qs}`).json<IProject[]>();
+      },
+      enabled: hasApiConfigured,
+      select:
+        tags === REMOTE_DEMO_TAG ||
+        (Array.isArray(tags) &&
+          tags.length === 1 &&
+          tags[0] === REMOTE_DEMO_TAG)
+          ? (data) =>
+              [...data]
+                .sort((a, b) => releaseTimestamp(b) - releaseTimestamp(a))
+                .slice(0, 3)
+          : undefined,
+    })
   );
 }
diff --git a/src/queries/keys.ts b/src/queries/keys.ts
index ad5dc8f..5d40c75 100644
--- a/src/queries/keys.ts
+++ b/src/queries/keys.ts
@@ -1,5 +1,4 @@
 export const queryKeys = {
   projects: ["projects"] as const,
-  projectsWithTags: (tags: string[]) =>
-    ["projects", ...(Array.isArray(tags) ? tags : [tags])] as const,
+  projectsWithTags: (tags: string[]) => ["projects", ...tags] as const,
 };
diff --git a/src/types/IProject.ts b/src/types/IProject.ts
index ce5b2ca..e07f6a4 100644
--- a/src/types/IProject.ts
+++ b/src/types/IProject.ts
@@ -13,6 +13,8 @@ export interface IProject {
   city: string;
   englishCity: string;
   image: string;
+  /** Имя билда для stream.graff.tech (query `build`). */
+  buildFilename?: string;
   stage: number;
   releaseDate: string;
   tags: Product[];
diff --git a/src/types/index.ts b/src/types/index.ts
new file mode 100644
index 0000000..9450f61
--- /dev/null
+++ b/src/types/index.ts
@@ -0,0 +1,3 @@
+export type { ICompany } from "./ICompany";
+export type { Device, IProject } from "./IProject";
+export type { Product } from "./Product";
diff --git a/src/ui/Button.tsx b/src/ui/Button.tsx
index 53fd837..c40f0a6 100644
--- a/src/ui/Button.tsx
+++ b/src/ui/Button.tsx
@@ -1,8 +1,8 @@
-import { ReactNode } from "react";
+import { type ReactElement, type ReactNode } from "react";
 
 interface ButtonProps {
   children: ReactNode;
-  icon?: JSX.Element;
+  icon?: ReactElement;
   color?: "primary" | "secondary";
   width?: "fit" | "full";
   disabled?: boolean;
diff --git a/src/ui/VideoPlayer.tsx b/src/ui/VideoPlayer.tsx
index 15decd2..5d455b3 100644
--- a/src/ui/VideoPlayer.tsx
+++ b/src/ui/VideoPlayer.tsx
@@ -19,7 +19,15 @@ export const VideoPlayer = forwardRef<
   } & ComponentProps<"video">
 >(
   (
-    { src, showMutingBtn, children, loop = true, autoPlay = true, className },
+    {
+      src,
+      showMutingBtn,
+      children,
+      loop = true,
+      autoPlay = true,
+      className,
+      muted: mutedProp,
+    },
     ref
   ) => {
     const progressbarRef = useRef<HTMLDivElement>(null);
@@ -27,7 +35,8 @@ export const VideoPlayer = forwardRef<
 
     useImperativeHandle(ref, () => videoRef.current!);
 
-    const [muted, setMuted] = useState(autoPlay);
+    /** Начальное значение из `muted`; дальше громкость только из состояния (кнопка плеера). */
+    const [muted, setMuted] = useState(() => mutedProp ?? autoPlay);
     const [playing, setPlaying] = useState(autoPlay);
     const [progress, setProgress] = useState(0);
 
diff --git a/src/vite-env.d.ts b/src/vite-env.d.ts
index a88783c..427c30b 100644
--- a/src/vite-env.d.ts
+++ b/src/vite-env.d.ts
@@ -3,8 +3,7 @@
 interface ImportMetaEnv {
   readonly VITE_API_URL?: string;
   readonly VITE_S3_BUCKET?: string;
-  readonly NEXT_PUBLIC_API?: string;
-  readonly NEXT_PUBLIC_S3_BUCKET?: string;
+  readonly VITE_STREAM_DEMO_ORIGIN?: string;
 }
 
 interface ImportMeta {
diff --git a/vite.config.ts b/vite.config.ts
index 94ab4fa..bc50890 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -3,10 +3,8 @@ import react from "@vitejs/plugin-react";
 import { defineConfig } from "vite";
 
 export default defineConfig({
-  /** Подхватываем .env из корня репозитория (рядом с Next), если в подпапке своего нет */
-  envDir: path.resolve(__dirname, ".."),
-  /** Как в Next: можно копировать .env с NEXT_PUBLIC_API / NEXT_PUBLIC_S3_BUCKET */
-  envPrefix: ["VITE_", "NEXT_PUBLIC_"],
+  /** `.env` в корне этого проекта (`stream-demo-standalone/.env`). */
+  envDir: path.resolve(__dirname),
   plugins: [react()],
   resolve: {
     alias: {