feat: Passwordless cross-device authentication

- Arkitektur: docs/auth/passwordless-architecture.md
- Backend: iom/quixzoom-auth-service/ (FastAPI + Redis)
- Webb: quixzoom-market-pages/se/login/ (QR-kod + polling)
- App: iom/quixzoom-app/src/features/auth/ (push + deep links)

Flöde: QR-kod → app-godkännande → webb-inloggad

landvex-site/reviews/index.html

@@ -43,7 +43,7 @@
     }
     .review-card {
       background: var(--card);
-      border-radius: 16px;
+      border-radius: var(--radius-lg);
       padding: 24px;
       margin-bottom: 16px;
     }
@@ -55,7 +55,7 @@
     .avatar {
       width: 40px;
       height: 40px;
-      border-radius: 50%;
+      border-radius: var(--radius-full);
       background: var(--blue);
       display: flex;
       align-items: center;
@@ -95,7 +95,7 @@
       background: var(--blue);
       color: white;
       padding: 14px 32px;
-      border-radius: 12px;
+      border-radius: var(--radius-md);
       text-decoration: none;
       font-weight: 600;
       font-size: 16px;
@@ -128,7 +128,7 @@
         <div class="review-role">Infrastructure Department</div>
       </div>
     </div>
-    <div class="review-stars">★★★★★</div>
+    <div class="review-stars"></div>
     <div class="review-text">
       "LandveX transformed how we monitor our city's infrastructure. We identified 340 maintenance issues in the first month that our traditional inspections missed entirely."
     </div>
@@ -142,7 +142,7 @@
         <div class="review-role">Risk Assessment Team</div>
       </div>
     </div>
-    <div class="review-stars">★★★★★</div>
+    <div class="review-stars"></div>
     <div class="review-text">
       "The speed and accuracy of LandveX data allows us to process claims faster and detect fraud patterns we never saw before. A game-changer for our industry."
     </div>
@@ -156,7 +156,7 @@
         <div class="review-role">Property Management</div>
       </div>
     </div>
-    <div class="review-stars">★★★★☆</div>
+    <div class="review-stars"></div>
     <div class="review-text">
       "We reduced our facade inspection costs by 60% while getting more frequent updates. The reality data is more reliable than our previous manual methods."
     </div>