diff --git a/frontend/Dockerfile b/frontend/Dockerfile
index 9328a4b..9c913ba 100644
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -20,7 +20,7 @@ RUN npm config set registry https://package-mirror.liara.ir/repository/npm/ \
 # Build the static bundle.
 # VITE_PANEL_API is inlined into the bundle at build time (Vite reads it during
 # `npm run build`), so it must be present as an env var here — not at runtime.
-ARG VITE_PANEL_API=https://cms-steelforesight.liara.run
+ARG VITE_PANEL_API=https://api.steelforesight.ir
 ENV VITE_PANEL_API=$VITE_PANEL_API
 COPY . .
 RUN npm run build
diff --git a/frontend/public/hero-bg.mp4 b/frontend/public/hero-bg.mp4
index 1953b0a..188e0bc 100644
--- a/frontend/public/hero-bg.mp4
+++ b/frontend/public/hero-bg.mp4
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:7252b958029e1bbd72b2c774a2c02f9d423a4daa1be7926bb1208b020f702bb6
-size 32234368
+oid sha256:a6e2cb352e5bd25693baac943cc3aad44e6dc1595213bd64fc19f6a0230e57c8
+size 30295491
diff --git a/frontend/src/pages/Auth/AuthPage.tsx b/frontend/src/pages/Auth/AuthPage.tsx
index 1d3e843..f9fdc68 100644
--- a/frontend/src/pages/Auth/AuthPage.tsx
+++ b/frontend/src/pages/Auth/AuthPage.tsx
@@ -178,8 +178,8 @@ function LoginForm({ lang, login, navigate }: {
       {!otpMode ? (
         <>
           <form onSubmit={submitPassword} style={{ display: 'flex', flexDirection: 'column', gap: '1.1rem' }}>
-            <FField label={fa ? 'شماره موبایل' : 'Phone number'}>
-              <FInput type="tel" required value={phone} onChange={e => setPhone(e.target.value)} placeholder="09123456789" dir="ltr" icon={<PhoneIcon />} />
+            <FField label={fa ? 'شماره موبایل یا ایمیل' : 'Phone or email'}>
+              <FInput type="text" required value={phone} onChange={e => setPhone(e.target.value)} placeholder={fa ? 'شماره موبایل یا ایمیل' : 'Phone or email'} dir="ltr" icon={<PhoneIcon />} />
             </FField>
             <FField label={fa ? 'رمز عبور' : 'Password'}>
               <FInput type={showPass ? 'text' : 'password'} required value={password} onChange={e => setPassword(e.target.value)} dir="ltr" icon={<LockIcon />} suffix={<EyeToggle show={showPass} onToggle={() => setShowPass(s => !s)} />} />
diff --git a/frontend/src/pages/Home/sections/SpreadFeatures.tsx b/frontend/src/pages/Home/sections/SpreadFeatures.tsx
index 5fe6eb2..853468e 100644
--- a/frontend/src/pages/Home/sections/SpreadFeatures.tsx
+++ b/frontend/src/pages/Home/sections/SpreadFeatures.tsx
@@ -1,4 +1,4 @@
-import { useState, useEffect, useRef } from 'react'
+import { useState, useEffect } from 'react'
 import { motion } from 'framer-motion'
 
 const GOLD = '#CD9E53'
@@ -7,8 +7,6 @@ const EASE = [0.22, 1, 0.36, 1] as const
 
 export default function SpreadFeatures() {
   const [isMobile, setIsMobile] = useState(false)
-  const [videoSrc, setVideoSrc] = useState<string | null>(null)
-  const blobUrl = useRef<string | null>(null)
 
   useEffect(() => {
     const mq = window.matchMedia('(max-width: 767px)')
@@ -18,42 +16,22 @@ export default function SpreadFeatures() {
     return () => mq.removeEventListener('change', update)
   }, [])
 
-  // Fetch video as blob to bypass range-request issues on tunnels/proxies
-  useEffect(() => {
-    let cancelled = false
-    fetch('/hero-bg.mp4')
-      .then(r => { if (!r.ok) throw new Error('fetch failed'); return r.blob() })
-      .then(blob => {
-        if (cancelled) return
-        const url = URL.createObjectURL(blob)
-        blobUrl.current = url
-        setVideoSrc(url)
-      })
-      .catch(() => { /* keep navy background */ })
-    return () => {
-      cancelled = true
-      if (blobUrl.current) URL.revokeObjectURL(blobUrl.current)
-    }
-  }, [])
-
   return (
     <div style={{ height: '100vh', position: 'relative', marginTop: isMobile ? -60 : -68 }}>
       {/* navy fallback — visible until video blob is ready */}
       <div style={{ position: 'sticky', top: 0, height: '100vh', overflow: 'hidden', background: NAVY }}>
 
-        {/* full-bleed video — src is a local blob URL, no range requests */}
-        {videoSrc && (
-          <video
-            src={videoSrc}
-            autoPlay muted loop playsInline
-            style={{
-              position: 'absolute', inset: 0,
-              width: '100%', height: '100%',
-              objectFit: 'cover', objectPosition: 'center',
-              display: 'block', zIndex: 0,
-            }}
-          />
-        )}
+        {/* full-bleed video — native streaming via HTTP range requests */}
+        <video
+          src="/hero-bg.mp4"
+          autoPlay muted loop playsInline preload="auto"
+          style={{
+            position: 'absolute', inset: 0,
+            width: '100%', height: '100%',
+            objectFit: 'cover', objectPosition: 'center',
+            display: 'block', zIndex: 0,
+          }}
+        />
 
         {/* full-width gradient: solid navy on right → transparent on left */}
         <div style={{
diff --git a/frontend/src/pages/Pulse/Pulse.tsx b/frontend/src/pages/Pulse/Pulse.tsx
index f249062..757f199 100644
--- a/frontend/src/pages/Pulse/Pulse.tsx
+++ b/frontend/src/pages/Pulse/Pulse.tsx
@@ -2,6 +2,9 @@ import { useState, useEffect } from 'react'
 import { useLang } from '@/context/LangContext'
 import SnapshotBar from '@/pages/Home/sections/SnapshotBar'
 
+// SSO hand-off: routes through the panel, which silently logs members into statista.
+const STATISTA_SSO = `${import.meta.env.VITE_PANEL_API || ''}/api/sso/statista`
+
 const STATS = {
   fa: [
     { label: 'تولید فولاد خام', value: '۳۱.۲', unit: 'میلیون تن', delta: '+۴.۱٪' },
@@ -180,8 +183,7 @@ function PriceTable({ blurFrom, lang }: { blurFrom: number; lang: 'fa' | 'en' })
         pointerEvents: 'none',
       }}>
         <a
-          href="https://statista-didvan.liara.run/"
-          target="_blank"
+          href={STATISTA_SSO}
           rel="noopener noreferrer"
           style={{
             display: 'block',
diff --git a/panel/server.js b/panel/server.js
index d1e2f34..1636e18 100644
--- a/panel/server.js
+++ b/panel/server.js
@@ -14,7 +14,7 @@ import { nanoid } from 'nanoid';
 import path from 'node:path';
 import fs from 'node:fs';
 import { fileURLToPath } from 'node:url';
-import { randomInt } from 'node:crypto';
+import { randomInt, createHmac } from 'node:crypto';
 import { db, rowToArticle, rowToRiskSignal, rowToPrice, rowToEvent, rowToTeamMember, rowToPlan, rowToBanner, rowToRadarItem, rowToRadarPage, rowToFactoryReport, rowToIntegration, rowToInstituteStat, rowToMarketPrice, rowToMarketChartPoint, rowToVisionItem, rowToAdvisoryMember } from './db.js';
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
@@ -251,13 +251,18 @@ async function memberRequired(req, res, next) {
   }
 }
 
-// member session cookie options — cross-site capable when served over HTTPS
+// member session cookie options. When COOKIE_DOMAIN is set (e.g. ".steelforesight.ir"),
+// the API is a same-site subdomain of the site, so the cookie is first-party and
+// 'lax' survives third-party-cookie blocking (fixes "logged out in a new tab").
+// Without it, fall back to the cross-site 'none' behaviour.
+const COOKIE_DOMAIN = process.env.COOKIE_DOMAIN || '';
 function memberCookieOpts(req) {
   const secure = cookieSecure(req);
   return {
     httpOnly: true,
     secure,
-    sameSite: secure ? 'none' : 'lax',
+    sameSite: COOKIE_DOMAIN ? 'lax' : (secure ? 'none' : 'lax'),
+    ...(COOKIE_DOMAIN ? { domain: COOKIE_DOMAIN } : {}),
     maxAge: 30 * 24 * 60 * 60 * 1000,
     path: '/',
   };
@@ -1394,7 +1399,9 @@ app.get('/api/members', authRequired, async (_req, res) => {
   })));
 });
 
-app.get('/api/members/:id', authRequired, async (req, res) => {
+// NOTE: :id is constrained to digits so "me" (and other word routes) fall through
+// to the member-auth /api/members/me handler below instead of this admin route.
+app.get('/api/members/:id(\\d+)', authRequired, async (req, res) => {
   const id = Number(req.params.id);
   const r = await db.prepare('SELECT id, name, email, phone, avatar, is_active, created_at, updated_at, last_login FROM members WHERE id = ?').get(id);
   if (!r) return res.status(404).json({ error: 'not_found' });
@@ -1411,7 +1418,7 @@ app.get('/api/members/:id', authRequired, async (req, res) => {
 });
 
 // block / unblock — body { isActive: boolean }
-app.patch('/api/members/:id', authRequired, ownerRequired, jsonOnly, async (req, res) => {
+app.patch('/api/members/:id(\\d+)', authRequired, ownerRequired, jsonOnly, async (req, res) => {
   const id = Number(req.params.id);
   const isActive = req.body?.isActive ? 1 : 0;
   const info = await db.prepare('UPDATE members SET is_active = ?, updated_at = now() WHERE id = ?').run(isActive, id);
@@ -1419,14 +1426,14 @@ app.patch('/api/members/:id', authRequired, ownerRequired, jsonOnly, async (req,
   res.json({ id, isActive: !!isActive });
 });
 
-app.delete('/api/members/:id', authRequired, ownerRequired, async (req, res) => {
+app.delete('/api/members/:id(\\d+)', authRequired, ownerRequired, async (req, res) => {
   const info = await db.prepare('DELETE FROM members WHERE id = ?').run(Number(req.params.id));
   if (info.changes === 0) return res.status(404).json({ error: 'not_found' });
   res.status(204).end();
 });
 
 // admin: recent activity (page views + clicks) for one member
-app.get('/api/members/:id/activity', authRequired, async (req, res) => {
+app.get('/api/members/:id(\\d+)/activity', authRequired, async (req, res) => {
   const rows = await db.prepare(
     'SELECT kind, path, label, created_at FROM member_activity WHERE member_id = ? ORDER BY created_at DESC LIMIT 200'
   ).all(Number(req.params.id));
@@ -1648,6 +1655,30 @@ app.post('/api/members/logout', memberRequired, async (req, res) => {
   res.json({ ok: true });
 });
 
+// ── SSO hand-off to statista.steelforesight.ir ──
+// The "ورود به سامانه جامع آمار و اطلاعات" button links here. Logged-in member →
+// mint a 2-min HMAC token (shared SSO_SECRET) and bounce to statista's /api/sso,
+// which logs them straight into the dashboard. Anyone else → statista landing.
+const SSO_SECRET = process.env.SSO_SECRET;
+const STATISTA_URL = (process.env.STATISTA_URL || 'https://statista.steelforesight.ir').replace(/\/+$/, '');
+app.get('/api/sso/statista', async (req, res) => {
+  const fail = () => res.redirect(`${STATISTA_URL}/`); // not a member → public landing
+  if (!SSO_SECRET) return fail();
+  const token = req.cookies?.member_session;
+  if (!token) return fail();
+  let p;
+  try { p = jwt.verify(token, JWT_SECRET); } catch { return fail(); }
+  if (p.role !== 'member') return fail();
+  // honor deactivation / logout-revocation just like memberRequired does
+  const acct = await db.prepare('SELECT is_active, token_version FROM members WHERE id = ?').get(p.sub);
+  if (!acct || !acct.is_active || (acct.token_version || 0) !== (p.tv || 0)) return fail();
+  const body = Buffer.from(JSON.stringify({
+    email: p.email, name: p.name, exp: Math.floor(Date.now() / 1000) + 120,
+  })).toString('base64url');
+  const sig = createHmac('sha256', SSO_SECRET).update(body).digest('base64url');
+  res.redirect(`${STATISTA_URL}/api/sso?t=${body}.${sig}`);
+});
+
 /* ── OTP login/signup via Kavenegar (verify/lookup) ──
    SFsignin → existing numbers, SFsignup → new numbers (auto-created on verify). */
 const otpStore = new Map(); // phone -> { code, expires, attempts }
@@ -1818,7 +1849,7 @@ app.get('/api/members/me/purchases', memberRequired, async (req, res) => {
 });
 
 // admin: grant purchase to a member
-app.post('/api/members/:memberId/purchases', authRequired, async (req, res) => {
+app.post('/api/members/:memberId(\\d+)/purchases', authRequired, async (req, res) => {
   const { articleId, amount = 0 } = req.body || {};
   if (!articleId) return res.status(400).json({ error: 'articleId الزامی است' });
   const member = await db.prepare('SELECT id FROM members WHERE id = ?').get(req.params.memberId);