diff --git a/.env.local.example b/.env.local.example
index 5fcb7dc..6a4ecda 100644
--- a/.env.local.example
+++ b/.env.local.example
@@ -6,3 +6,6 @@ VITE_SUPABASE_SCHEMA=reserva_hotel
 # Chatwoot — token de integração (Fase 2)
 VITE_CHATWOOT_API_URL=https://chatwoot.fazer.ai
 VITE_CHATWOOT_API_TOKEN=
+
+# Multi-tenant: slug default quando rodando em localhost/tunnel (sem subdomínio)
+VITE_DEFAULT_TENANT_SLUG=grupo-1001
diff --git a/src/App.tsx b/src/App.tsx
index 30dad37..2aed13a 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -1,25 +1,52 @@
 import { ReservationFlow } from '@/components/reservation/ReservationFlow'
+import { useTenant } from '@/contexts/TenantProvider'
+import { useAppConfig } from '@/hooks/useAppConfig'
 
 export default function App() {
+  const { loading, error } = useTenant()
+  const config = useAppConfig()
+
+  if (loading) {
+    return (
+      <div className="min-h-screen flex items-center justify-center">
+        <p className="text-slate font-sans">Carregando...</p>
+      </div>
+    )
+  }
+
+  if (error || !config) {
+    return (
+      <div className="min-h-screen flex items-center justify-center px-6">
+        <div className="rounded-xl border border-ruby/40 bg-ruby/10 p-6 text-ivory text-center max-w-md">
+          {error ?? 'Configuração não encontrada'}
+        </div>
+      </div>
+    )
+  }
+
   return (
     <main className="min-h-screen flex flex-col items-center px-6 py-12">
       <header className="text-center mb-10">
-        <p className="font-sans text-sm uppercase tracking-[0.3em] text-rose-gold mb-4">
-          Experiência exclusiva
-        </p>
+        {config.subtitulo_hero && (
+          <p className="font-sans text-sm uppercase tracking-[0.3em] text-rose-gold mb-4">
+            {config.subtitulo_hero}
+          </p>
+        )}
         <h1 className="font-serif text-5xl md:text-6xl text-gradient-gold mb-3">
-          Reserva Rede 1001
+          {config.titulo_hero}
         </h1>
-        <p className="font-sans text-slate text-lg">
-          Escolha, confirme e receba seu PIX na hora.
-        </p>
+        {config.tagline && (
+          <p className="font-sans text-slate text-lg">{config.tagline}</p>
+        )}
       </header>
 
       <ReservationFlow />
 
-      <footer className="mt-16 text-slate text-xs uppercase tracking-widest">
-        © 2026 Reserva Rede 1001 · Experiência Exclusiva
-      </footer>
+      {config.footer_text && (
+        <footer className="mt-16 text-slate text-xs uppercase tracking-widest">
+          {config.footer_text}
+        </footer>
+      )}
     </main>
   )
 }
diff --git a/src/__tests__/App.test.tsx b/src/__tests__/App.test.tsx
index 2653424..4528fba 100644
--- a/src/__tests__/App.test.tsx
+++ b/src/__tests__/App.test.tsx
@@ -1,6 +1,55 @@
 import { render, screen } from '@testing-library/react'
 import { describe, it, expect, vi } from 'vitest'
 
+vi.mock('@/contexts/TenantProvider', () => ({
+  TenantProvider: ({ children }: { children: React.ReactNode }) => children,
+  useTenant: () => ({
+    loading: false,
+    error: null,
+    context: {
+      tenant: {
+        id: 1,
+        slug: 'test',
+        nome: 'Test',
+        ativo: true,
+        created_at: '',
+        updated_at: '',
+      },
+      config: {
+        id: 1,
+        tenant_id: 1,
+        nome_rede: 'Test Rede',
+        titulo_hero: 'Reserva Rede 1001',
+        subtitulo_hero: 'Teste',
+        tagline: null,
+        footer_text: null,
+        logo_url: null,
+        favicon_url: null,
+        cor_primaria: '#C9A961',
+        cor_secundaria: '#E8B4A0',
+        cor_fundo: '#0B0D12',
+        cor_superficie: '#0F1A2E',
+        cor_texto: '#F5F1E8',
+        fonte_display: 'Fraunces',
+        fonte_corpo: 'Inter',
+        created_at: '',
+        updated_at: '',
+      },
+    },
+    refresh: vi.fn(),
+  }),
+}))
+
+vi.mock('@/hooks/useAppConfig', () => ({
+  useAppConfig: () => ({
+    titulo_hero: 'Reserva Rede 1001',
+    subtitulo_hero: 'Teste',
+    tagline: null,
+    footer_text: null,
+  }),
+  useTenantId: () => 1,
+}))
+
 vi.mock('@/hooks/useReservationForm', () => ({
   useReservationForm: () => ({
     form: {
diff --git a/src/contexts/TenantProvider.tsx b/src/contexts/TenantProvider.tsx
new file mode 100644
index 0000000..110019e
--- /dev/null
+++ b/src/contexts/TenantProvider.tsx
@@ -0,0 +1,97 @@
+import { createContext, useContext, useEffect, useState, type ReactNode } from 'react'
+import type { LoadedTenantContext } from '@/lib/appConfig'
+import { loadTenantContext } from '@/lib/appConfig'
+import { resolveTenantSlug } from '@/lib/tenant'
+
+interface TenantContextValue {
+  loading: boolean
+  error: string | null
+  context: LoadedTenantContext | null
+  refresh: () => Promise<void>
+}
+
+const TenantContext = createContext<TenantContextValue | null>(null)
+
+export function TenantProvider({ children }: { children: ReactNode }) {
+  const [loading, setLoading] = useState(true)
+  const [error, setError] = useState<string | null>(null)
+  const [context, setContext] = useState<LoadedTenantContext | null>(null)
+
+  const load = async () => {
+    setLoading(true)
+    setError(null)
+    try {
+      const slug = resolveTenantSlug()
+      const ctx = await loadTenantContext(slug)
+      if (!ctx) {
+        setError(`Tenant "${slug}" não encontrado ou inativo.`)
+      } else {
+        setContext(ctx)
+        applyTheme(ctx)
+        applyMetadata(ctx)
+      }
+    } catch (e) {
+      setError(e instanceof Error ? e.message : 'Erro ao carregar tenant')
+    } finally {
+      setLoading(false)
+    }
+  }
+
+  useEffect(() => {
+    void load()
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [])
+
+  return (
+    <TenantContext.Provider value={{ loading, error, context, refresh: load }}>
+      {children}
+    </TenantContext.Provider>
+  )
+}
+
+// eslint-disable-next-line react-refresh/only-export-components
+export function useTenant() {
+  const ctx = useContext(TenantContext)
+  if (!ctx) throw new Error('useTenant must be used inside <TenantProvider>')
+  return ctx
+}
+
+function applyTheme(ctx: LoadedTenantContext) {
+  const { config } = ctx
+  const root = document.documentElement
+  root.style.setProperty('--color-champagne', config.cor_primaria)
+  root.style.setProperty('--color-rose-gold', config.cor_secundaria)
+  root.style.setProperty('--color-obsidian', config.cor_fundo)
+  root.style.setProperty('--color-midnight', config.cor_superficie)
+  root.style.setProperty('--color-ivory', config.cor_texto)
+
+  loadGoogleFont(config.fonte_display)
+  loadGoogleFont(config.fonte_corpo)
+  root.style.setProperty('--font-serif', `'${config.fonte_display}', Georgia, serif`)
+  root.style.setProperty('--font-sans', `'${config.fonte_corpo}', system-ui, sans-serif`)
+}
+
+function loadGoogleFont(family: string) {
+  if (!family) return
+  const id = `gfont-${family.replace(/\s+/g, '-').toLowerCase()}`
+  if (document.getElementById(id)) return
+  const link = document.createElement('link')
+  link.id = id
+  link.rel = 'stylesheet'
+  link.href = `https://fonts.googleapis.com/css2?family=${encodeURIComponent(family)}:wght@400;500;600;700&display=swap`
+  document.head.appendChild(link)
+}
+
+function applyMetadata(ctx: LoadedTenantContext) {
+  const { config } = ctx
+  document.title = config.titulo_hero
+  if (config.favicon_url) {
+    let link = document.querySelector<HTMLLinkElement>("link[rel='icon']")
+    if (!link) {
+      link = document.createElement('link')
+      link.rel = 'icon'
+      document.head.appendChild(link)
+    }
+    link.href = config.favicon_url
+  }
+}
diff --git a/src/hooks/useAppConfig.ts b/src/hooks/useAppConfig.ts
new file mode 100644
index 0000000..8a3cd3f
--- /dev/null
+++ b/src/hooks/useAppConfig.ts
@@ -0,0 +1,11 @@
+import { useTenant } from '@/contexts/TenantProvider'
+
+export function useAppConfig() {
+  const { context } = useTenant()
+  return context?.config ?? null
+}
+
+export function useTenantId() {
+  const { context } = useTenant()
+  return context?.tenant.id ?? null
+}
diff --git a/src/hooks/useReservationForm.ts b/src/hooks/useReservationForm.ts
index 046d08d..0f2b758 100644
--- a/src/hooks/useReservationForm.ts
+++ b/src/hooks/useReservationForm.ts
@@ -3,6 +3,7 @@ import { catalogoService } from '@/services/catalogoService'
 import type { Database } from '@/types/database'
 import type { PrefillData } from '@/lib/prefill'
 import { prefillSimpleFields } from '@/lib/prefill'
+import { useTenantId } from '@/hooks/useAppConfig'
 
 type Marca = Database['reserva_hotel']['Tables']['marcas']['Row']
 type Unidade = Database['reserva_hotel']['Tables']['unidades']['Row']
@@ -36,6 +37,8 @@ const empty: ReservationFormState = {
 }
 
 export function useReservationForm(initialPrefill?: PrefillData) {
+  const tenantId = useTenantId()
+
   const [form, setForm] = useState<ReservationFormState>(() => ({
     ...empty,
     ...prefillSimpleFields(initialPrefill ?? {}),
@@ -51,44 +54,48 @@ export function useReservationForm(initialPrefill?: PrefillData) {
   const unidadePrefillAppliedRef = useRef(false)
 
   useEffect(() => {
+    if (!tenantId) return
     catalogoService
-      .listMarcas()
+      .listMarcas(tenantId)
       .then(setMarcas)
       .catch((err: Error) => setError(err.message))
-  }, [])
+  }, [tenantId])
 
   useEffect(() => {
+    if (!tenantId) return
     if (!form.marcaId) {
       setUnidades([])
       return
     }
     catalogoService
-      .listUnidades(form.marcaId)
+      .listUnidades(tenantId, form.marcaId)
       .then(setUnidades)
       .catch((err: Error) => setError(err.message))
-  }, [form.marcaId])
+  }, [tenantId, form.marcaId])
 
   useEffect(() => {
+    if (!tenantId) return
     if (!form.marcaId || !form.categoria || !form.permanencia) {
       setPreco(null)
       return
     }
     catalogoService
-      .findPreco(form.marcaId, form.categoria, form.permanencia)
+      .findPreco(tenantId, form.marcaId, form.categoria, form.permanencia)
       .then(setPreco)
       .catch((err: Error) => setError(err.message))
-  }, [form.marcaId, form.categoria, form.permanencia])
+  }, [tenantId, form.marcaId, form.categoria, form.permanencia])
 
   useEffect(() => {
+    if (!tenantId) return
     if (!form.unidadeId || !form.categoria) {
       setFotos([])
       return
     }
     catalogoService
-      .listFotos(form.unidadeId, form.categoria)
+      .listFotos(tenantId, form.unidadeId, form.categoria)
       .then(setFotos)
       .catch((err: Error) => setError(err.message))
-  }, [form.unidadeId, form.categoria])
+  }, [tenantId, form.unidadeId, form.categoria])
 
   // Resolve prefill: marcaNome -> marcaId quando marcas carregam
   useEffect(() => {
diff --git a/src/lib/appConfig.ts b/src/lib/appConfig.ts
new file mode 100644
index 0000000..09e75b2
--- /dev/null
+++ b/src/lib/appConfig.ts
@@ -0,0 +1,33 @@
+import { supabase } from './supabase'
+import type { Database } from '@/types/database'
+
+export type Tenant = Database['reserva_hotel']['Tables']['tenants']['Row']
+export type AppConfig = Database['reserva_hotel']['Tables']['app_config']['Row']
+
+export interface LoadedTenantContext {
+  tenant: Tenant
+  config: AppConfig
+}
+
+export async function loadTenantContext(slug: string): Promise<LoadedTenantContext | null> {
+  const { data: tenant, error: tenantError } = await supabase
+    .from('tenants')
+    .select('*')
+    .eq('slug', slug)
+    .eq('ativo', true)
+    .maybeSingle()
+
+  if (tenantError) throw new Error(tenantError.message)
+  if (!tenant) return null
+
+  const { data: config, error: configError } = await supabase
+    .from('app_config')
+    .select('*')
+    .eq('tenant_id', tenant.id)
+    .maybeSingle()
+
+  if (configError) throw new Error(configError.message)
+  if (!config) return null
+
+  return { tenant, config }
+}
diff --git a/src/lib/chatwootApi.ts b/src/lib/chatwootApi.ts
index 4522829..3d4021d 100644
--- a/src/lib/chatwootApi.ts
+++ b/src/lib/chatwootApi.ts
@@ -43,6 +43,8 @@ async function request<T>(path: string, init: RequestInit = {}): Promise<T> {
     headers: {
       'Content-Type': 'application/json',
       'X-Reserva-Token': API_TOKEN,
+      // Pula a pagina de aviso do ngrok quando o chatwoot esta atras do tunnel
+      'ngrok-skip-browser-warning': 'true',
       ...(init.headers ?? {}),
     },
   })
diff --git a/src/lib/tenant.ts b/src/lib/tenant.ts
new file mode 100644
index 0000000..99fc447
--- /dev/null
+++ b/src/lib/tenant.ts
@@ -0,0 +1,25 @@
+// Resolve o tenant slug a partir do hostname.
+// Prod:   https://prime.reserva.fazer.ai  → slug = "prime"
+// Dev:    http://localhost:5180           → fallback VITE_DEFAULT_TENANT_SLUG
+// Cloudflared tunnel: *.trycloudflare.com → fallback VITE_DEFAULT_TENANT_SLUG
+
+export function resolveTenantSlug(): string {
+  const defaultSlug = import.meta.env.VITE_DEFAULT_TENANT_SLUG || 'grupo-1001'
+
+  if (typeof window === 'undefined') {
+    return defaultSlug
+  }
+
+  const host = window.location.hostname
+
+  if (host === 'localhost' || host.startsWith('127.') || host.endsWith('.local')) {
+    return defaultSlug
+  }
+
+  if (host.endsWith('.trycloudflare.com') || host.endsWith('.loca.lt') || host.endsWith('.ngrok-free.dev')) {
+    return defaultSlug
+  }
+
+  const parts = host.split('.')
+  return parts[0] || defaultSlug
+}
diff --git a/src/main.tsx b/src/main.tsx
index 520b520..b5991b2 100644
--- a/src/main.tsx
+++ b/src/main.tsx
@@ -2,9 +2,12 @@ import { StrictMode } from 'react'
 import { createRoot } from 'react-dom/client'
 import './index.css'
 import App from './App'
+import { TenantProvider } from '@/contexts/TenantProvider'
 
 createRoot(document.getElementById('root')!).render(
   <StrictMode>
-    <App />
+    <TenantProvider>
+      <App />
+    </TenantProvider>
   </StrictMode>
 )
diff --git a/src/services/catalogoService.ts b/src/services/catalogoService.ts
index de784fd..625d437 100644
--- a/src/services/catalogoService.ts
+++ b/src/services/catalogoService.ts
@@ -8,20 +8,22 @@ type Foto = Database['reserva_hotel']['Tables']['fotos_categoria']['Row']
 type Extra = Database['reserva_hotel']['Tables']['extras']['Row']
 
 export const catalogoService = {
-  async listMarcas(): Promise<Marca[]> {
+  async listMarcas(tenantId: number): Promise<Marca[]> {
     const { data, error } = await supabase
       .from('marcas')
       .select('*')
+      .eq('tenant_id', tenantId)
       .eq('ativa', true)
       .order('nome')
     if (error) throw new Error(error.message)
     return data ?? []
   },
 
-  async listUnidades(marcaId: string): Promise<Unidade[]> {
+  async listUnidades(tenantId: number, marcaId: string): Promise<Unidade[]> {
     const { data, error } = await supabase
       .from('unidades')
       .select('*')
+      .eq('tenant_id', tenantId)
       .eq('id_marca', marcaId)
       .eq('ativa', true)
       .order('nome')
@@ -30,6 +32,7 @@ export const catalogoService = {
   },
 
   async findPreco(
+    tenantId: number,
     marcaId: string,
     categoria: string,
     permanencia: string,
@@ -38,6 +41,7 @@ export const catalogoService = {
     const { data, error } = await supabase
       .from('precos')
       .select('*')
+      .eq('tenant_id', tenantId)
       .eq('id_marca', marcaId)
       .eq('categoria', categoria)
       .eq('permanencia', permanencia)
@@ -48,10 +52,11 @@ export const catalogoService = {
     return data
   },
 
-  async listFotos(unidadeId: string, categoria: string): Promise<Foto[]> {
+  async listFotos(tenantId: number, unidadeId: string, categoria: string): Promise<Foto[]> {
     const { data, error } = await supabase
       .from('fotos_categoria')
       .select('*')
+      .eq('tenant_id', tenantId)
       .eq('id_unidade', unidadeId)
       .eq('categoria', categoria)
       .eq('ativa', true)
@@ -60,10 +65,11 @@ export const catalogoService = {
     return data ?? []
   },
 
-  async listExtras(marcaId: string): Promise<Extra[]> {
+  async listExtras(tenantId: number, marcaId: string): Promise<Extra[]> {
     const { data, error } = await supabase
       .from('extras')
       .select('*')
+      .eq('tenant_id', tenantId)
       .eq('id_marca', marcaId)
       .eq('ativo', true)
       .order('ordem')
diff --git a/src/types/database.ts b/src/types/database.ts
index b932d16..86a9cd0 100644
--- a/src/types/database.ts
+++ b/src/types/database.ts
@@ -901,5 +901,3 @@ export const Constants = {
     Enums: {},
   },
 } as const
-A new version of Supabase CLI is available: v2.90.0 (currently installed v2.48.3)
-We recommend updating regularly for new features and bug fixes: https://supabase.com/docs/guides/cli/getting-started#updating-the-supabase-cli
diff --git a/vite.config.ts b/vite.config.ts
index 6b595b4..57378ff 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -13,10 +13,15 @@ export default defineConfig({
   server: {
     port: 5180,
     strictPort: true,
+    host: true,
+    // Aceita qualquer host — usado quando rodamos atrás de um tunnel (loca.lt, ngrok, cloudflared)
+    allowedHosts: true,
   },
   preview: {
     port: 5180,
     strictPort: true,
+    host: true,
+    allowedHosts: true,
   },
   test: {
     environment: 'jsdom',