diff --git a/.env.example b/.env.example
index ea8e01b..cfc6e3c 100644
--- a/.env.example
+++ b/.env.example
@@ -56,4 +56,6 @@ AFIA_PROVIDER=openai
 AFIA_MODEL=gpt-4o-mini
 AFIA_API_KEY=
 
+LINK_PUBLIC_DOMAIN=ladl.link
+
 VITE_APP_NAME="${APP_NAME}"
diff --git a/app/Http/Controllers/Qr/QrCodeController.php b/app/Http/Controllers/Qr/QrCodeController.php
index 879af1b..ea377d6 100644
--- a/app/Http/Controllers/Qr/QrCodeController.php
+++ b/app/Http/Controllers/Qr/QrCodeController.php
@@ -313,7 +313,7 @@ class QrCodeController extends Controller
             }
         }
 
-        $png = $this->imageGenerator->renderPng(QrCode::publicBaseUrl() . '/q/' . $shortCode, $style);
+        $png = $this->imageGenerator->renderPng(\App\Support\LadillLink::url($shortCode), $style);
 
         if ($tempLogoPath) {
             Storage::disk('qr')->delete($tempLogoPath);
diff --git a/app/Models/QrCode.php b/app/Models/QrCode.php
index 020a348..af8f973 100644
--- a/app/Models/QrCode.php
+++ b/app/Models/QrCode.php
@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use App\Support\LadillLink;
 use App\Support\Qr\QrStyleDefaults;
 use App\Support\Qr\QrTypeCatalog;
 use App\Support\Qr\QrWifiPayload;
@@ -81,23 +82,19 @@ class QrCode extends Model
 
     public function publicUrl(): string
     {
-        return self::publicBaseUrl() . '/q/' . $this->short_code;
+        return LadillLink::url($this->short_code);
+    }
+
+    public function publicPath(string $suffix = ''): string
+    {
+        return $suffix === ''
+            ? $this->publicUrl()
+            : LadillLink::path($this->short_code, $suffix);
     }
 
-    /**
-     * Base URL for public QR links. Always the short platform domain
-     * (ladill.com) — never the signed-in account/product host — so printed
-     * codes and shared links stay short and host-independent of where the QR
-     * was created.
-     */
     public static function publicBaseUrl(): string
     {
-        $appUrl = (string) config('app.url');
-        $scheme = parse_url($appUrl, PHP_URL_SCHEME) ?: 'https';
-        $host = (string) config('app.platform_domain')
-            ?: (parse_url($appUrl, PHP_URL_HOST) ?: 'ladill.com');
-
-        return $scheme . '://' . $host;
+        return LadillLink::baseUrl();
     }
 
     /**
diff --git a/app/Support/LadillLink.php b/app/Support/LadillLink.php
new file mode 100644
index 0000000..3a51bc0
--- /dev/null
+++ b/app/Support/LadillLink.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Support;
+
+/**
+ * Canonical short-link URLs for the Ladill platform (ladl.link).
+ */
+final class LadillLink
+{
+    public static function baseUrl(): string
+    {
+        $domain = (string) config('link.public_domain', 'ladl.link');
+
+        return 'https://'.$domain;
+    }
+
+    public static function url(string $slug): string
+    {
+        return rtrim(self::baseUrl(), '/').'/'.ltrim($slug, '/');
+    }
+
+    public static function path(string $slug, string $suffix): string
+    {
+        return self::url($slug).'/'.ltrim($suffix, '/');
+    }
+}
diff --git a/config/link.php b/config/link.php
new file mode 100644
index 0000000..87997eb
--- /dev/null
+++ b/config/link.php
@@ -0,0 +1,5 @@
+<?php
+
+return [
+    'public_domain' => env('LINK_PUBLIC_DOMAIN', 'ladl.link'),
+];
diff --git a/resources/views/qr-codes/create.blade.php b/resources/views/qr-codes/create.blade.php
index 7214105..6f648bf 100644
--- a/resources/views/qr-codes/create.blade.php
+++ b/resources/views/qr-codes/create.blade.php
@@ -106,7 +106,7 @@
                             status: '',
                             timer: null,
                             checkUrl: @js(route('events.check-slug')),
-                            baseUrl: @js(\App\Models\QrCode::publicBaseUrl() . '/q'),
+                            baseUrl: @js(\App\Support\LadillLink::baseUrl()),
                             check() {
                                 clearTimeout(this.timer);
                                 const s = this.slug.trim();
@@ -126,7 +126,7 @@
                                  :class="status === 'available' ? 'border-green-400' : status === 'taken' || status === 'invalid' ? 'border-red-400' : 'border-slate-200'">
                                 <span class="flex items-center rounded-l-xl border-r border-slate-200 bg-slate-50 px-3 text-xs text-slate-400 whitespace-nowrap select-none"
                                       :class="status === 'available' ? 'border-green-400' : status === 'taken' || status === 'invalid' ? 'border-red-400' : 'border-slate-200'">
-                                    {{ \App\Models\QrCode::publicBaseUrl() }}/q/
+                                    {{ \App\Support\LadillLink::baseUrl() }}/
                                 </span>
                                 <input type="text" name="custom_short_code"
                                        x-model="slug"