diff --git a/api/app/Http/Controllers/Api/V1/PublicRegistrationDataController.php b/api/app/Http/Controllers/Api/V1/PublicRegistrationDataController.php
new file mode 100644
index 00000000..8b95a273
--- /dev/null
+++ b/api/app/Http/Controllers/Api/V1/PublicRegistrationDataController.php
@@ -0,0 +1,77 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Http\Controllers\Api\V1;
+
+use App\Http\Controllers\Controller;
+use App\Models\Event;
+use App\Models\FestivalSection;
+use App\Models\TimeSlot;
+use Illuminate\Http\JsonResponse;
+
+final class PublicRegistrationDataController extends Controller
+{
+    public function __invoke(string $slug): JsonResponse
+    {
+        $event = Event::where('slug', $slug)
+            ->where('status', 'registration_open')
+            ->first();
+
+        if ($event === null) {
+            abort(404, 'Event not found or not accepting registrations.');
+        }
+
+        $festivalEvent = $event->isSubEvent() ? $event->parent : $event;
+
+        $sectionQuery = FestivalSection::where('event_id', $festivalEvent->id)
+            ->where(function ($query) {
+                $query->where('type', '!=', 'cross_event')
+                    ->orWhereNull('type');
+            })
+            ->ordered();
+
+        if ($festivalEvent->isFestival()) {
+            $childIds = $festivalEvent->children()->pluck('id');
+            $sectionQuery->orWhere(function ($query) use ($childIds) {
+                $query->whereIn('event_id', $childIds)
+                    ->where(function ($q) {
+                        $q->where('type', '!=', 'cross_event')
+                            ->orWhereNull('type');
+                    });
+            });
+        }
+
+        $sections = $sectionQuery->get(['id', 'name', 'category', 'icon']);
+
+        $timeSlots = $festivalEvent->getAllRelevantTimeSlots()
+            ->where('person_type', 'VOLUNTEER')
+            ->values();
+
+        return response()->json([
+            'data' => [
+                'event' => [
+                    'id' => $festivalEvent->id,
+                    'name' => $festivalEvent->name,
+                    'start_date' => $festivalEvent->start_date->toDateString(),
+                    'end_date' => $festivalEvent->end_date->toDateString(),
+                    'organisation_id' => $festivalEvent->organisation_id,
+                ],
+                'sections' => $sections->map(fn (FestivalSection $section) => [
+                    'id' => $section->id,
+                    'name' => $section->name,
+                    'category' => $section->category,
+                    'icon' => $section->icon,
+                ]),
+                'time_slots' => $timeSlots->map(fn (TimeSlot $slot) => [
+                    'id' => $slot->id,
+                    'name' => $slot->name,
+                    'date' => $slot->date->toDateString(),
+                    'start_time' => $slot->start_time,
+                    'end_time' => $slot->end_time,
+                    'duration_hours' => $slot->duration_hours,
+                ]),
+            ],
+        ]);
+    }
+}
diff --git a/api/routes/api.php b/api/routes/api.php
index c223bd1d..49bbbbc4 100644
--- a/api/routes/api.php
+++ b/api/routes/api.php
@@ -21,6 +21,10 @@ use App\Http\Controllers\Api\V1\ShiftAssignmentController;
 use App\Http\Controllers\Api\V1\ShiftController;
 use App\Http\Controllers\Api\V1\TimeSlotController;
 use App\Http\Controllers\Api\V1\VolunteerAvailabilityController;
+use App\Http\Controllers\Api\V1\VolunteerRegistrationController;
+use App\Http\Controllers\Api\V1\PublicRegistrationDataController;
+use App\Http\Controllers\Api\V1\PortalTokenController;
+use App\Http\Controllers\Api\V1\PortalMeController;
 use App\Http\Controllers\Api\V1\UserOrganisationTagController;
 use App\Models\FestivalSection;
 use App\Models\Organisation;
@@ -50,12 +54,20 @@ Route::post('auth/login', LoginController::class);
 Route::get('invitations/{token}', [InvitationController::class, 'show']);
 Route::post('invitations/{token}/accept', [InvitationController::class, 'accept']);
 
+// Public portal routes
+Route::get('public/events/{slug}/registration-data', PublicRegistrationDataController::class);
+Route::post('events/{event}/volunteer-register', VolunteerRegistrationController::class);
+Route::post('portal/token-auth', [PortalTokenController::class, 'auth']);
+
 // Protected routes
 Route::middleware('auth:sanctum')->group(function () {
     // Auth
     Route::get('auth/me', MeController::class);
     Route::post('auth/logout', LogoutController::class);
 
+    // Portal (authenticated)
+    Route::get('portal/me', [PortalMeController::class, 'index']);
+
     // Organisations
     Route::apiResource('organisations', OrganisationController::class)
         ->only(['index', 'show', 'store', 'update']);
diff --git a/api/tests/Feature/Api/V1/PublicRegistrationDataTest.php b/api/tests/Feature/Api/V1/PublicRegistrationDataTest.php
new file mode 100644
index 00000000..02fff666
--- /dev/null
+++ b/api/tests/Feature/Api/V1/PublicRegistrationDataTest.php
@@ -0,0 +1,85 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Feature\Api\V1;
+
+use App\Models\CrowdType;
+use App\Models\Event;
+use App\Models\FestivalSection;
+use App\Models\Organisation;
+use App\Models\TimeSlot;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class PublicRegistrationDataTest extends TestCase
+{
+    use RefreshDatabase;
+
+    private Organisation $organisation;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->organisation = Organisation::factory()->create();
+    }
+
+    public function test_returns_registration_data_for_open_event(): void
+    {
+        $event = Event::factory()->create([
+            'organisation_id' => $this->organisation->id,
+            'status' => 'registration_open',
+            'slug' => 'test-event-2026',
+        ]);
+
+        $section = FestivalSection::factory()->create([
+            'event_id' => $event->id,
+            'type' => 'standard',
+        ]);
+
+        FestivalSection::factory()->create([
+            'event_id' => $event->id,
+            'type' => 'cross_event',
+        ]);
+
+        $timeSlot = TimeSlot::factory()->create([
+            'event_id' => $event->id,
+            'person_type' => 'VOLUNTEER',
+        ]);
+
+        TimeSlot::factory()->create([
+            'event_id' => $event->id,
+            'person_type' => 'CREW',
+        ]);
+
+        $response = $this->getJson('/api/v1/public/events/test-event-2026/registration-data');
+
+        $response->assertOk()
+            ->assertJsonPath('data.event.id', $event->id)
+            ->assertJsonPath('data.event.name', $event->name)
+            ->assertJsonCount(1, 'data.sections')
+            ->assertJsonPath('data.sections.0.id', $section->id)
+            ->assertJsonCount(1, 'data.time_slots')
+            ->assertJsonPath('data.time_slots.0.id', $timeSlot->id);
+    }
+
+    public function test_returns_404_for_non_registration_open_event(): void
+    {
+        Event::factory()->create([
+            'organisation_id' => $this->organisation->id,
+            'status' => 'draft',
+            'slug' => 'draft-event',
+        ]);
+
+        $response = $this->getJson('/api/v1/public/events/draft-event/registration-data');
+
+        $response->assertNotFound();
+    }
+
+    public function test_returns_404_for_nonexistent_slug(): void
+    {
+        $response = $this->getJson('/api/v1/public/events/does-not-exist/registration-data');
+
+        $response->assertNotFound();
+    }
+}
diff --git a/apps/portal/package.json b/apps/portal/package.json
index 3c16bc6e..bb0d73f8 100644
--- a/apps/portal/package.json
+++ b/apps/portal/package.json
@@ -27,6 +27,7 @@
     "@tiptap/pm": "^2.27.1",
     "@tiptap/starter-kit": "^2.27.1",
     "@tiptap/vue-3": "^2.27.1",
+    "@vee-validate/zod": "^4.15.1",
     "@vueuse/core": "10.11.1",
     "@vueuse/math": "10.11.1",
     "apexcharts": "3.54.1",
@@ -45,6 +46,7 @@
     "swiper": "11.2.10",
     "ufo": "1.6.1",
     "unplugin-vue-define-options": "1.5.5",
+    "vee-validate": "^4.15.1",
     "vue": "3.5.22",
     "vue-chartjs": "5.3.2",
     "vue-flatpickr-component": "11.0.5",
diff --git a/apps/portal/pnpm-lock.yaml b/apps/portal/pnpm-lock.yaml
index a2859493..0cea5567 100644
--- a/apps/portal/pnpm-lock.yaml
+++ b/apps/portal/pnpm-lock.yaml
@@ -51,6 +51,9 @@ importers:
       '@tiptap/vue-3':
         specifier: ^2.27.1
         version: 2.27.1(@tiptap/core@2.27.1(@tiptap/pm@2.27.1))(@tiptap/pm@2.27.1)(vue@3.5.22(typescript@5.9.3))
+      '@vee-validate/zod':
+        specifier: ^4.15.1
+        version: 4.15.1(vue@3.5.22(typescript@5.9.3))(zod@3.25.76)
       '@vueuse/core':
         specifier: 10.11.1
         version: 10.11.1(vue@3.5.22(typescript@5.9.3))
@@ -105,6 +108,9 @@ importers:
       unplugin-vue-define-options:
         specifier: 1.5.5
         version: 1.5.5(vue@3.5.22(typescript@5.9.3))
+      vee-validate:
+        specifier: ^4.15.1
+        version: 4.15.1(vue@3.5.22(typescript@5.9.3))
       vue:
         specifier: 3.5.22
         version: 3.5.22(typescript@5.9.3)
@@ -1747,6 +1753,11 @@ packages:
     cpu: [x64]
     os: [win32]
 
+  '@vee-validate/zod@4.15.1':
+    resolution: {integrity: sha512-329Z4TDBE5Vx0FdbA8S4eR9iGCFFUNGbxjpQ20ff5b5wGueScjocUIx9JHPa79LTG06RnlUR4XogQsjN4tecKA==}
+    peerDependencies:
+      zod: ^3.24.0
+
   '@vitejs/plugin-vue-jsx@5.1.1':
     resolution: {integrity: sha512-uQkfxzlF8SGHJJVH966lFTdjM/lGcwJGzwAHpVqAPDD/QcsqoUGa+q31ox1BrUfi+FLP2ChVp7uLXE3DkHyDdQ==}
     engines: {node: ^20.19.0 || >=22.12.0}
@@ -4543,6 +4554,11 @@ packages:
   validate-npm-package-license@3.0.4:
     resolution: {integrity: sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==}
 
+  vee-validate@4.15.1:
+    resolution: {integrity: sha512-DkFsiTwEKau8VIxyZBGdO6tOudD+QoUBPuHj3e6QFqmbfCRj1ArmYWue9lEp6jLSWBIw4XPlDLjFIZNLdRAMSg==}
+    peerDependencies:
+      vue: ^3.4.26
+
   vfile-message@4.0.3:
     resolution: {integrity: sha512-QTHzsGd1EhbZs4AsQ20JX1rC3cOlt/IWJruk893DfLRr57lcnOeMaWG4K0JrRta4mIJZKth2Au3mM3u03/JWKw==}
 
@@ -6349,6 +6365,14 @@ snapshots:
   '@unrs/resolver-binding-win32-x64-msvc@1.11.1':
     optional: true
 
+  '@vee-validate/zod@4.15.1(vue@3.5.22(typescript@5.9.3))(zod@3.25.76)':
+    dependencies:
+      type-fest: 4.41.0
+      vee-validate: 4.15.1(vue@3.5.22(typescript@5.9.3))
+      zod: 3.25.76
+    transitivePeerDependencies:
+      - vue
+
   '@vitejs/plugin-vue-jsx@5.1.1(vite@7.1.12(@types/node@24.9.2)(sass@1.76.0)(tsx@4.20.6)(yaml@2.8.1))(vue@3.5.22(typescript@5.9.3))':
     dependencies:
       '@babel/core': 7.28.5
@@ -9714,6 +9738,12 @@ snapshots:
       spdx-correct: 3.2.0
       spdx-expression-parse: 3.0.1
 
+  vee-validate@4.15.1(vue@3.5.22(typescript@5.9.3)):
+    dependencies:
+      '@vue/devtools-api': 7.7.7
+      type-fest: 4.41.0
+      vue: 3.5.22(typescript@5.9.3)
+
   vfile-message@4.0.3:
     dependencies:
       '@types/unist': 3.0.3
diff --git a/apps/portal/src/composables/api/useVolunteerRegistration.ts b/apps/portal/src/composables/api/useVolunteerRegistration.ts
new file mode 100644
index 00000000..6f457b9c
--- /dev/null
+++ b/apps/portal/src/composables/api/useVolunteerRegistration.ts
@@ -0,0 +1,36 @@
+import { useQuery, useMutation } from '@tanstack/vue-query'
+import type { Ref } from 'vue'
+import { apiClient } from '@/lib/axios'
+import type { EventRegistrationData, VolunteerRegistrationForm } from '@/types/registration'
+
+interface ApiResponse<T> {
+  data: T
+}
+
+export function useRegistrationData(eventSlug: Ref<string>) {
+  return useQuery({
+    queryKey: ['registration-data', eventSlug],
+    queryFn: async () => {
+      const { data } = await apiClient.get<ApiResponse<EventRegistrationData>>(
+        `/public/events/${eventSlug.value}/registration-data`,
+      )
+
+      return data.data
+    },
+    enabled: () => !!eventSlug.value,
+    retry: false,
+  })
+}
+
+export function useSubmitRegistration() {
+  return useMutation({
+    mutationFn: async ({ eventId, form }: { eventId: string; form: VolunteerRegistrationForm }) => {
+      const { data } = await apiClient.post<ApiResponse<Record<string, unknown>>>(
+        `/events/${eventId}/volunteer-register`,
+        form,
+      )
+
+      return data.data
+    },
+  })
+}
diff --git a/apps/portal/src/pages/register/[eventSlug].vue b/apps/portal/src/pages/register/[eventSlug].vue
index 2c4d1c64..2bb16832 100644
--- a/apps/portal/src/pages/register/[eventSlug].vue
+++ b/apps/portal/src/pages/register/[eventSlug].vue
@@ -1,4 +1,17 @@
 <script setup lang="ts">
+import { useForm } from 'vee-validate'
+import { toTypedSchema } from '@vee-validate/zod'
+import { useDisplay } from 'vuetify'
+import { useAuthStore } from '@/stores/useAuthStore'
+import { useRegistrationData, useSubmitRegistration } from '@/composables/api/useVolunteerRegistration'
+import { fullRegistrationSchema } from '@/schemas/registrationSchema'
+import type {
+  SectionPreference,
+  TimeSlotOption,
+  VolunteerAvailability,
+  VolunteerRegistrationForm,
+} from '@/types/registration'
+
 definePage({
   name: 'volunteer-register',
   meta: {
@@ -8,27 +21,662 @@ definePage({
 })
 
 const route = useRoute('volunteer-register')
-const eventSlug = computed(() => route.params.eventSlug)
+const router = useRouter()
+const authStore = useAuthStore()
+const { smAndDown } = useDisplay()
+
+const eventSlug = computed(() => route.params.eventSlug as string)
+const { data: registrationData, isLoading, isError } = useRegistrationData(eventSlug)
+const { mutateAsync: submitRegistration, isPending: isSubmitting } = useSubmitRegistration()
+
+const currentStep = ref(1)
+const submitError = ref<string | null>(null)
+
+// VeeValidate form
+const { errors, defineField, validateField, setFieldValue } = useForm({
+  validationSchema: toTypedSchema(fullRegistrationSchema),
+  initialValues: {
+    name: '',
+    email: '',
+    phone: '',
+    tshirt_size: '',
+    first_aid: false,
+    allergies: '',
+    access_requirements: '',
+    driving_licence: false,
+    motivation: '',
+    motivation_other: '',
+  },
+})
+
+const [name] = defineField('name')
+const [email] = defineField('email')
+const [phone] = defineField('phone')
+const [tshirtSize] = defineField('tshirt_size')
+const [firstAid] = defineField('first_aid')
+const [allergies] = defineField('allergies')
+const [accessRequirements] = defineField('access_requirements')
+const [drivingLicence] = defineField('driving_licence')
+const [motivation] = defineField('motivation')
+const [motivationOther] = defineField('motivation_other')
+
+// Pre-fill authenticated user data
+watch(() => authStore.user, (user) => {
+  if (user) {
+    setFieldValue('name', user.name)
+    setFieldValue('email', user.email)
+  }
+}, { immediate: true })
+
+// Step 4: Section preferences
+const selectedSectionIds = ref<string[]>([])
+
+// Step 5: Availability
+const selectedTimeSlotIds = ref<string[]>([])
+const timeSlotPreferences = ref<Record<string, number>>({})
+
+// Constants
+const tshirtSizeItems = [
+  { title: 'Geen voorkeur', value: '' },
+  ...['XS', 'S', 'M', 'L', 'XL', 'XXL', 'XXXL'].map(s => ({ title: s, value: s })),
+]
+
+const motivationItems = [
+  { title: 'Gratis festivalpas', value: 'Gratis festivalpas' },
+  { title: 'Ervaring opdoen', value: 'Ervaring opdoen' },
+  { title: 'Vrienden helpen', value: 'Vrienden helpen' },
+  { title: 'CV opbouwen', value: 'CV opbouwen' },
+  { title: 'Anders', value: 'Anders' },
+]
+
+const stepTitles = ['Over jou', 'Meer over jou', 'Motivatie', 'Secties', 'Beschikbaarheid']
+
+// Computed
+const timeSlotsByDate = computed(() => {
+  if (!registrationData.value?.time_slots) return []
+  const groups = new Map<string, TimeSlotOption[]>()
+  for (const slot of registrationData.value.time_slots) {
+    if (!groups.has(slot.date)) groups.set(slot.date, [])
+    groups.get(slot.date)!.push(slot)
+  }
+
+  return Array.from(groups.entries()).sort(([a], [b]) => a.localeCompare(b))
+})
+
+const totalSelectedHours = computed(() => {
+  if (!registrationData.value?.time_slots) return 0
+
+  return registrationData.value.time_slots
+    .filter(s => selectedTimeSlotIds.value.includes(s.id))
+    .reduce((sum, s) => sum + s.duration_hours, 0)
+})
+
+// Step field mapping for validation
+type FormField = 'name' | 'email' | 'phone' | 'tshirt_size' | 'first_aid' | 'allergies' | 'access_requirements' | 'driving_licence' | 'motivation' | 'motivation_other'
+
+const stepFields: Record<number, FormField[]> = {
+  1: ['name', 'email', 'phone'],
+  2: ['tshirt_size', 'first_aid', 'allergies', 'access_requirements', 'driving_licence'],
+  3: ['motivation', 'motivation_other'],
+}
+
+// Navigation
+async function validateCurrentStep(): Promise<boolean> {
+  const fields = stepFields[currentStep.value]
+  if (!fields) return true
+  const results = await Promise.all(fields.map(f => validateField(f)))
+
+  return results.every(r => r.valid)
+}
+
+async function nextStep() {
+  if (await validateCurrentStep()) {
+    if (currentStep.value < 5) currentStep.value++
+  }
+}
+
+function prevStep() {
+  if (currentStep.value > 1) currentStep.value--
+}
+
+// Section toggle
+function toggleSection(sectionId: string) {
+  const idx = selectedSectionIds.value.indexOf(sectionId)
+  if (idx >= 0) {
+    selectedSectionIds.value.splice(idx, 1)
+  }
+  else if (selectedSectionIds.value.length < 5) {
+    selectedSectionIds.value.push(sectionId)
+  }
+}
+
+// Time slot toggle
+function toggleTimeSlot(slotId: string) {
+  const idx = selectedTimeSlotIds.value.indexOf(slotId)
+  if (idx >= 0) {
+    selectedTimeSlotIds.value.splice(idx, 1)
+    delete timeSlotPreferences.value[slotId]
+  }
+  else {
+    selectedTimeSlotIds.value.push(slotId)
+    timeSlotPreferences.value[slotId] = 3
+  }
+}
+
+// Helpers
+function formatDate(dateStr: string): string {
+  return new Date(`${dateStr}T00:00:00`).toLocaleDateString('nl-NL', {
+    weekday: 'long',
+    day: 'numeric',
+    month: 'long',
+  })
+}
+
+function formatTimeRange(start: string, end: string): string {
+  return `${start.slice(0, 5)} – ${end.slice(0, 5)}`
+}
+
+// Submit
+async function onSubmit() {
+  submitError.value = null
+
+  // Validate steps 1-3
+  for (let step = 1; step <= 3; step++) {
+    const fields = stepFields[step]
+    if (!fields) continue
+    const results = await Promise.all(fields.map(f => validateField(f)))
+    if (!results.every(r => r.valid)) {
+      currentStep.value = step
+
+      return
+    }
+  }
+
+  if (!registrationData.value) return
+
+  const sectionPreferences: SectionPreference[] = selectedSectionIds.value.map((id, index) => ({
+    section_id: id,
+    priority: index + 1,
+  }))
+
+  const availabilities: VolunteerAvailability[] = selectedTimeSlotIds.value.map(id => ({
+    time_slot_id: id,
+    preference_level: timeSlotPreferences.value[id] ?? 3,
+  }))
+
+  const payload: VolunteerRegistrationForm = {
+    name: name.value ?? '',
+    email: email.value ?? '',
+    phone: phone.value ?? '',
+    tshirt_size: tshirtSize.value ?? '',
+    first_aid: firstAid.value ?? false,
+    allergies: allergies.value ?? '',
+    access_requirements: accessRequirements.value ?? '',
+    driving_licence: drivingLicence.value ?? false,
+    motivation: motivation.value ?? '',
+    motivation_other: motivationOther.value ?? '',
+    section_preferences: sectionPreferences,
+    availabilities,
+  }
+
+  try {
+    await submitRegistration({
+      eventId: registrationData.value.event.id,
+      form: payload,
+    })
+
+    router.push({
+      path: '/register/success',
+      query: {
+        event: registrationData.value.event.name,
+        authenticated: authStore.isAuthenticated ? '1' : '0',
+      },
+    })
+  }
+  catch (error: unknown) {
+    const axiosError = error as { response?: { status?: number; data?: { errors?: Record<string, string[]> } } }
+    if (axiosError.response?.status === 422) {
+      const serverErrors = axiosError.response.data?.errors
+      if (serverErrors) {
+        for (const field of Object.keys(serverErrors)) {
+          for (const [step, fields] of Object.entries(stepFields)) {
+            if (fields.includes(field as FormField)) {
+              currentStep.value = Number(step)
+
+              return
+            }
+          }
+        }
+      }
+      submitError.value = 'Er zijn validatiefouten gevonden. Controleer je invoer.'
+    }
+    else {
+      submitError.value = 'Er is een fout opgetreden. Probeer het opnieuw.'
+    }
+  }
+}
 </script>
 
 <template>
-  <VRow justify="center">
+  <!-- Loading -->
+  <VRow
+    v-if="isLoading"
+    justify="center"
+  >
+    <VCol
+      cols="12"
+      md="10"
+      lg="8"
+    >
+      <VCard class="pa-6">
+        <VSkeletonLoader type="heading" />
+        <VSkeletonLoader
+          type="text@3"
+          class="mt-4"
+        />
+        <VSkeletonLoader
+          type="button"
+          class="mt-4"
+        />
+      </VCard>
+    </VCol>
+  </VRow>
+
+  <!-- Error / Not available -->
+  <VRow
+    v-else-if="isError || !registrationData"
+    justify="center"
+  >
     <VCol
       cols="12"
       md="8"
       lg="6"
     >
-      <VCard class="text-center pa-6">
+      <VCard class="text-center pa-8">
+        <VIcon
+          icon="tabler-calendar-off"
+          size="64"
+          color="warning"
+          class="mb-4"
+        />
         <VCardTitle class="text-h5">
+          Niet beschikbaar
+        </VCardTitle>
+        <VCardText class="text-body-1">
+          Dit evenement accepteert momenteel geen aanmeldingen.
+        </VCardText>
+        <VCardActions class="justify-center">
+          <VBtn
+            to="/"
+            variant="outlined"
+          >
+            Terug naar startpagina
+          </VBtn>
+        </VCardActions>
+      </VCard>
+    </VCol>
+  </VRow>
+
+  <!-- Registration Form -->
+  <VRow
+    v-else
+    justify="center"
+  >
+    <VCol
+      cols="12"
+      md="10"
+      lg="8"
+    >
+      <VCard>
+        <VCardTitle class="text-h5 pa-4 pa-sm-6 pb-2">
           Aanmelden als vrijwilliger
         </VCardTitle>
-        <VCardSubtitle>
-          Vul het formulier in om je aan te melden
+        <VCardSubtitle class="px-4 px-sm-6 pb-4">
+          {{ registrationData.event.name }}
         </VCardSubtitle>
-        <VCardText class="text-body-1 mt-4">
-          Evenement: <strong>{{ eventSlug }}</strong>
-        </VCardText>
+
+        <VAlert
+          v-if="authStore.isAuthenticated"
+          type="info"
+          variant="tonal"
+          class="mx-4 mx-sm-6"
+        >
+          Je bent ingelogd als {{ authStore.user?.name }}. Je gegevens zijn automatisch ingevuld.
+        </VAlert>
+
+        <VAlert
+          v-if="submitError"
+          type="error"
+          variant="tonal"
+          class="mx-4 mx-sm-6 mt-4"
+          closable
+          @click:close="submitError = null"
+        >
+          {{ submitError }}
+        </VAlert>
+
+        <!-- Step indicator -->
+        <div class="d-flex flex-wrap align-center justify-center ga-1 px-4 px-sm-6 pt-6">
+          <template
+            v-for="(title, i) in stepTitles"
+            :key="i"
+          >
+            <VChip
+              :color="currentStep === i + 1 ? 'primary' : currentStep > i + 1 ? 'success' : undefined"
+              :variant="currentStep === i + 1 ? 'elevated' : currentStep > i + 1 ? 'tonal' : 'outlined'"
+              size="small"
+              class="step-chip"
+              @click="i + 1 < currentStep ? currentStep = i + 1 : undefined"
+            >
+              <VIcon
+                v-if="currentStep > i + 1"
+                icon="tabler-check"
+                size="14"
+                start
+              />
+              <span
+                v-else
+                class="text-caption font-weight-bold me-1"
+              >{{ i + 1 }}</span>
+              <span v-if="!smAndDown || currentStep === i + 1">{{ title }}</span>
+            </VChip>
+            <VIcon
+              v-if="i < 4"
+              icon="tabler-chevron-right"
+              size="14"
+              class="text-disabled d-none d-sm-inline-flex"
+            />
+          </template>
+        </div>
+
+        <!-- Step content -->
+        <VWindow v-model="currentStep">
+          <!-- Step 1: Over jou -->
+          <VWindowItem :value="1">
+            <div class="pa-4 pa-sm-6">
+              <VTextField
+                v-model="name"
+                label="Naam *"
+                :error-messages="errors.name"
+                :disabled="authStore.isAuthenticated"
+                autofocus
+                class="mb-4"
+              />
+              <VTextField
+                v-model="email"
+                label="E-mailadres *"
+                type="email"
+                :error-messages="errors.email"
+                :disabled="authStore.isAuthenticated"
+                class="mb-4"
+              />
+              <VTextField
+                v-model="phone"
+                label="Telefoonnummer"
+                :error-messages="errors.phone"
+              />
+            </div>
+          </VWindowItem>
+
+          <!-- Step 2: Meer over jou -->
+          <VWindowItem :value="2">
+            <div class="pa-4 pa-sm-6">
+              <VSelect
+                v-model="tshirtSize"
+                :items="tshirtSizeItems"
+                label="Shirtmaat"
+                :error-messages="errors.tshirt_size"
+                class="mb-4"
+              />
+              <VSwitch
+                v-model="firstAid"
+                label="Ik heb een EHBO-diploma"
+                color="primary"
+                hide-details
+                class="mb-4"
+              />
+              <VTextarea
+                v-model="allergies"
+                label="Allergieën"
+                :error-messages="errors.allergies"
+                :counter="500"
+                rows="2"
+                auto-grow
+                class="mb-4"
+              />
+              <VTextarea
+                v-model="accessRequirements"
+                label="Toegangsbehoeften"
+                :error-messages="errors.access_requirements"
+                hint="Bijv. rolstoeltoegankelijk, rustige werkplek, etc."
+                persistent-hint
+                :counter="500"
+                rows="2"
+                auto-grow
+                class="mb-4"
+              />
+              <VSwitch
+                v-model="drivingLicence"
+                label="Ik heb een rijbewijs B"
+                color="primary"
+                hide-details
+              />
+            </div>
+          </VWindowItem>
+
+          <!-- Step 3: Motivatie -->
+          <VWindowItem :value="3">
+            <div class="pa-4 pa-sm-6">
+              <VSelect
+                v-model="motivation"
+                :items="motivationItems"
+                label="Wat is je motivatie?"
+                :error-messages="errors.motivation"
+                clearable
+                class="mb-4"
+              />
+              <VTextarea
+                v-if="motivation"
+                v-model="motivationOther"
+                label="Toelichting"
+                :error-messages="errors.motivation_other"
+                :counter="500"
+                rows="3"
+                auto-grow
+              />
+            </div>
+          </VWindowItem>
+
+          <!-- Step 4: Voorkeurssecties -->
+          <VWindowItem :value="4">
+            <div class="pa-4 pa-sm-6">
+              <p
+                v-if="registrationData.sections.length === 0"
+                class="text-body-1 text-medium-emphasis"
+              >
+                Er zijn geen secties beschikbaar voor dit evenement.
+              </p>
+              <template v-else>
+                <p class="text-body-2 text-medium-emphasis mb-4">
+                  Selecteer maximaal 5 secties waar je graag wilt werken.
+                  De volgorde van selectie bepaalt je voorkeur.
+                </p>
+                <VList lines="two">
+                  <VListItem
+                    v-for="section in registrationData.sections"
+                    :key="section.id"
+                    :disabled="!selectedSectionIds.includes(section.id) && selectedSectionIds.length >= 5"
+                    class="section-item"
+                    @click="toggleSection(section.id)"
+                  >
+                    <template #prepend>
+                      <VCheckboxBtn
+                        :model-value="selectedSectionIds.includes(section.id)"
+                        :disabled="!selectedSectionIds.includes(section.id) && selectedSectionIds.length >= 5"
+                        @click.stop="toggleSection(section.id)"
+                      />
+                    </template>
+                    <VListItemTitle class="d-flex align-center ga-2">
+                      <VIcon
+                        v-if="section.icon"
+                        :icon="section.icon"
+                        size="18"
+                      />
+                      {{ section.name }}
+                    </VListItemTitle>
+                    <VListItemSubtitle v-if="section.category">
+                      <VChip
+                        size="x-small"
+                        variant="outlined"
+                      >
+                        {{ section.category }}
+                      </VChip>
+                    </VListItemSubtitle>
+                    <template
+                      v-if="selectedSectionIds.includes(section.id)"
+                      #append
+                    >
+                      <VChip
+                        color="primary"
+                        size="small"
+                      >
+                        Voorkeur {{ selectedSectionIds.indexOf(section.id) + 1 }}
+                      </VChip>
+                    </template>
+                  </VListItem>
+                </VList>
+
+                <p
+                  v-if="selectedSectionIds.length > 0"
+                  class="text-body-2 text-medium-emphasis mt-4"
+                >
+                  {{ selectedSectionIds.length }} van 5 secties geselecteerd
+                </p>
+              </template>
+            </div>
+          </VWindowItem>
+
+          <!-- Step 5: Beschikbaarheid -->
+          <VWindowItem :value="5">
+            <div class="pa-4 pa-sm-6">
+              <p
+                v-if="registrationData.time_slots.length === 0"
+                class="text-body-1 text-medium-emphasis"
+              >
+                Er zijn geen tijdsloten beschikbaar voor dit evenement.
+              </p>
+              <template v-else>
+                <p class="text-body-2 text-medium-emphasis mb-4">
+                  Selecteer de tijdsloten waarop je beschikbaar bent en geef je voorkeur aan met sterren.
+                </p>
+                <div
+                  v-for="[date, slots] in timeSlotsByDate"
+                  :key="date"
+                  class="mb-6"
+                >
+                  <h4 class="text-subtitle-1 font-weight-bold mb-2 text-capitalize">
+                    {{ formatDate(date) }}
+                  </h4>
+                  <VList density="compact">
+                    <VListItem
+                      v-for="slot in slots"
+                      :key="slot.id"
+                      class="timeslot-item"
+                      @click="toggleTimeSlot(slot.id)"
+                    >
+                      <template #prepend>
+                        <VCheckboxBtn
+                          :model-value="selectedTimeSlotIds.includes(slot.id)"
+                          @click.stop="toggleTimeSlot(slot.id)"
+                        />
+                      </template>
+                      <VListItemTitle>{{ slot.name }}</VListItemTitle>
+                      <VListItemSubtitle>
+                        {{ formatTimeRange(slot.start_time, slot.end_time) }} &middot; {{ slot.duration_hours }}u
+                      </VListItemSubtitle>
+                      <template
+                        v-if="selectedTimeSlotIds.includes(slot.id)"
+                        #append
+                      >
+                        <VRating
+                          v-model="timeSlotPreferences[slot.id]"
+                          density="compact"
+                          size="small"
+                          length="5"
+                          color="warning"
+                          active-color="warning"
+                          @click.stop
+                        />
+                      </template>
+                    </VListItem>
+                  </VList>
+                </div>
+
+                <VDivider class="mb-4" />
+
+                <div class="d-flex align-center">
+                  <span class="text-body-1">
+                    Totaal geselecteerd: <strong>{{ totalSelectedHours }} uur</strong>
+                  </span>
+                </div>
+
+                <VAlert
+                  v-if="selectedTimeSlotIds.length > 0 && totalSelectedHours < 8"
+                  type="warning"
+                  variant="tonal"
+                  class="mt-4"
+                >
+                  Minimaal 8 uur nodig voor een festivalpas.
+                </VAlert>
+              </template>
+            </div>
+          </VWindowItem>
+        </VWindow>
+
+        <VDivider />
+
+        <!-- Navigation -->
+        <div class="d-flex align-center pa-4 pa-sm-6">
+          <VBtn
+            v-if="currentStep > 1"
+            variant="text"
+            prepend-icon="tabler-arrow-left"
+            @click="prevStep"
+          >
+            Vorige
+          </VBtn>
+          <VSpacer />
+          <VBtn
+            v-if="currentStep < 5"
+            color="primary"
+            append-icon="tabler-arrow-right"
+            @click="nextStep"
+          >
+            Volgende
+          </VBtn>
+          <VBtn
+            v-else
+            color="primary"
+            :loading="isSubmitting"
+            prepend-icon="tabler-send"
+            @click="onSubmit"
+          >
+            Aanmelding versturen
+          </VBtn>
+        </div>
       </VCard>
     </VCol>
   </VRow>
 </template>
+
+<style scoped>
+.step-chip {
+  cursor: pointer;
+  min-block-size: 32px;
+}
+
+.section-item,
+.timeslot-item {
+  min-block-size: 48px;
+}
+</style>
diff --git a/apps/portal/src/pages/register/success.vue b/apps/portal/src/pages/register/success.vue
new file mode 100644
index 00000000..d27480f6
--- /dev/null
+++ b/apps/portal/src/pages/register/success.vue
@@ -0,0 +1,68 @@
+<script setup lang="ts">
+import { useAuthStore } from '@/stores/useAuthStore'
+
+definePage({
+  name: 'register-success',
+  meta: {
+    layout: 'portal',
+    requiresAuth: false,
+  },
+})
+
+const route = useRoute('register-success')
+const authStore = useAuthStore()
+
+const eventName = computed(() => (route.query.event as string) || 'het evenement')
+const isAuthenticated = computed(() => route.query.authenticated === '1' || authStore.isAuthenticated)
+</script>
+
+<template>
+  <VRow justify="center">
+    <VCol
+      cols="12"
+      md="8"
+      lg="6"
+    >
+      <VCard class="text-center pa-8">
+        <VIcon
+          icon="tabler-circle-check"
+          size="80"
+          color="success"
+          class="mb-4"
+        />
+        <VCardTitle class="text-h5 mb-2">
+          Bedankt voor je aanmelding!
+        </VCardTitle>
+        <VCardText class="text-body-1">
+          <p class="mb-4">
+            Bedankt voor je aanmelding bij <strong>{{ eventName }}</strong>!
+          </p>
+          <p class="mb-4">
+            Je aanmelding wordt beoordeeld door het organisatieteam.
+          </p>
+          <p class="text-medium-emphasis">
+            Je ontvangt een e-mail zodra je aanmelding is goedgekeurd.
+          </p>
+        </VCardText>
+        <VCardActions class="justify-center pt-4">
+          <VBtn
+            v-if="isAuthenticated"
+            to="/dashboard"
+            color="primary"
+            prepend-icon="tabler-dashboard"
+          >
+            Ga naar je dashboard
+          </VBtn>
+          <VBtn
+            v-else
+            to="/login"
+            variant="outlined"
+            prepend-icon="tabler-login"
+          >
+            Heb je al een account? Log in
+          </VBtn>
+        </VCardActions>
+      </VCard>
+    </VCol>
+  </VRow>
+</template>
diff --git a/apps/portal/src/schemas/registrationSchema.ts b/apps/portal/src/schemas/registrationSchema.ts
new file mode 100644
index 00000000..dee13a3f
--- /dev/null
+++ b/apps/portal/src/schemas/registrationSchema.ts
@@ -0,0 +1,24 @@
+import { z } from 'zod'
+
+export const step1Schema = z.object({
+  name: z.string().min(1, 'Naam is verplicht').max(255),
+  email: z.string().min(1, 'E-mailadres is verplicht').email('Ongeldig e-mailadres').max(255),
+  phone: z.string().max(50).optional().or(z.literal('')),
+})
+
+export const step2Schema = z.object({
+  tshirt_size: z.enum(['XS', 'S', 'M', 'L', 'XL', 'XXL', 'XXXL']).optional().or(z.literal('')),
+  first_aid: z.boolean().default(false),
+  allergies: z.string().max(500).optional().or(z.literal('')),
+  access_requirements: z.string().max(500).optional().or(z.literal('')),
+  driving_licence: z.boolean().default(false),
+})
+
+export const step3Schema = z.object({
+  motivation: z.string().max(1000).optional().or(z.literal('')),
+  motivation_other: z.string().max(500).optional().or(z.literal('')),
+})
+
+export const fullRegistrationSchema = step1Schema
+  .merge(step2Schema)
+  .merge(step3Schema)
diff --git a/apps/portal/src/types/registration.ts b/apps/portal/src/types/registration.ts
new file mode 100644
index 00000000..30821ee0
--- /dev/null
+++ b/apps/portal/src/types/registration.ts
@@ -0,0 +1,57 @@
+export interface EventRegistrationData {
+  event: {
+    id: string
+    name: string
+    start_date: string
+    end_date: string
+    organisation_id: string
+  }
+  sections: SectionOption[]
+  time_slots: TimeSlotOption[]
+}
+
+export interface SectionOption {
+  id: string
+  name: string
+  category: string | null
+  icon: string | null
+}
+
+export interface TimeSlotOption {
+  id: string
+  name: string
+  date: string
+  start_time: string
+  end_time: string
+  duration_hours: number
+}
+
+export interface SectionPreference {
+  section_id: string
+  priority: number
+}
+
+export interface VolunteerAvailability {
+  time_slot_id: string
+  preference_level: number
+}
+
+export interface VolunteerRegistrationForm {
+  // Step 1
+  name: string
+  email: string
+  phone: string
+  // Step 2
+  tshirt_size: string
+  first_aid: boolean
+  allergies: string
+  access_requirements: string
+  driving_licence: boolean
+  // Step 3
+  motivation: string
+  motivation_other: string
+  // Step 4
+  section_preferences: SectionPreference[]
+  // Step 5
+  availabilities: VolunteerAvailability[]
+}
diff --git a/apps/portal/typed-router.d.ts b/apps/portal/typed-router.d.ts
index a927476f..d00108ea 100644
--- a/apps/portal/typed-router.d.ts
+++ b/apps/portal/typed-router.d.ts
@@ -25,6 +25,7 @@ declare module 'vue-router/auto-routes' {
     'login': RouteRecordInfo<'login', '/login', Record<never, never>, Record<never, never>>,
     'portal-profile': RouteRecordInfo<'portal-profile', '/profile', Record<never, never>, Record<never, never>>,
     'volunteer-register': RouteRecordInfo<'volunteer-register', '/register/:eventSlug', { eventSlug: ParamValue<true> }, { eventSlug: ParamValue<false> }>,
+    'register-success': RouteRecordInfo<'register-success', '/register/success', Record<never, never>, Record<never, never>>,
     'portal-shifts': RouteRecordInfo<'portal-shifts', '/shifts', Record<never, never>, Record<never, never>>,
   }
 }
diff --git a/dev-docs/API.md b/dev-docs/API.md
index 497ac10a..8cbd0357 100644
--- a/dev-docs/API.md
+++ b/dev-docs/API.md
@@ -389,4 +389,33 @@ Response: `{ "confirmed": 2, "errors": [{ "match_id": "ulid3", "error": "User al
 - `GET /events/{event}/persons?tag={person_tag_id}` — filter persons by single tag
 - `GET /events/{event}/persons?tags=ulid1,ulid2` — filter persons by multiple tags (AND logic: must have all)
 
+## Public Registration Data
+
+- `GET /public/events/{slug}/registration-data` — public, no auth. Returns event info, available sections, and volunteer time slots for the registration form. Only returns events with status `registration_open`. Excludes `cross_event` sections. Only includes time slots with `person_type = VOLUNTEER`. Resolves sub-events to parent festival.
+
+### Response
+
+```json
+{
+  "data": {
+    "event": { "id": "01JXYZ...", "name": "Echt Feesten 2026", "start_date": "2026-07-10", "end_date": "2026-07-12", "organisation_id": "01JXYZ..." },
+    "sections": [{ "id": "01JXYZ...", "name": "Hoofdpodium Bar", "category": "Bar", "icon": "tabler-glass" }],
+    "time_slots": [{ "id": "01JXYZ...", "name": "Vrijdag Avond", "date": "2026-07-10", "start_time": "18:00:00", "end_time": "02:00:00", "duration_hours": 8 }]
+  }
+}
+```
+
+### Error Responses
+
+- `404` — Event not found or not accepting registrations
+
+## Volunteer Registration
+
+- `POST /events/{event}/volunteer-register` — public, auth-aware (optional Sanctum). Registers a volunteer for an event. Resolves sub-events to the parent festival. Accepts name, email, phone, tshirt_size, motivation, section_preferences, availabilities. Authenticated users have their name/email taken from the auth token. Returns `PersonResource` (201 on new, 200 on re-registration of rejected person).
+
+## Portal
+
+- `POST /portal/token-auth` — public. Validates a portal token against artists/production_requests tables. Returns `{ context, data, event }` on success. Returns 501 if token tables don't exist yet, 401 if token is invalid.
+- `GET /portal/me` — auth:sanctum. Returns the authenticated user's person record for a given event. Query param: `event_id` (required, ULID). Resolves sub-events to parent festival. Returns `PersonResource` with crowdType, shiftAssignments, and volunteerAvailabilities eager-loaded. Returns 404 if no registration found.
+
 _(Extend this contract per module as endpoints are implemented.)_