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/intelligence/growth-velocity-index/index.html

@@ -167,7 +167,7 @@
     .footer-links a { font-size: 14px; color: var(--text-muted); transition: color 0.2s; }
     .footer-links a:hover { color: #1d1d1f; }
     .footer-social {
-      width: 32px; height: 32px; border: 1px solid var(--border); border-radius: 8px;
+      width: 32px; height: 32px; border: 1px solid var(--border); border-radius: var(--radius-md);
       display: flex; align-items: center; justify-content: center;
       transition: border-color 0.2s, background 0.2s;
     }
@@ -187,7 +187,7 @@
       [style*="grid-template-columns:repeat(auto-fit,minmax(260px"] { grid-template-columns: 1fr !important; }
     }
   
-    .lv-disclaimer{font-size:.75rem;color:rgba(0,0,0,.75);margin-top:24px;padding:12px 16px;background:rgba(0,0,0,.04);border-radius:8px;line-height:1.6;max-width:800px}
+    .lv-disclaimer{font-size:.75rem;color:rgba(0,0,0,.75);margin-top:24px;padding:12px 16px;background:rgba(0,0,0,.04);border-radius: var(--radius-md);line-height:1.6;max-width:800px}
     .lv-disclaimer a{color:rgba(0,0,0,.65);text-decoration:underline}
     .lv-disclaimer--light{color:#888;background:#f5f5f5}
     .lv-disclaimer--light a{color:#555}
@@ -263,32 +263,32 @@
       </div>
       <div style="display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));gap:20px">
 
-        <div style="background:#f8f9ff;border:1px solid #e5e7eb;border-radius:12px;padding:24px 28px;cursor:pointer" onclick="location.href='#contact'" role="button" tabindex="0">
-          <div style="font-size:1.5rem;margin-bottom:10px">🏪</div>
+        <div style="background:#f8f9ff;border:1px solid #e5e7eb;border-radius: var(--radius-md);padding:24px 28px;cursor:pointer" onclick="location.href='#contact'" role="button" tabindex="0">
+          <div style="font-size:1.5rem;margin-bottom:10px"></div>
           <h3 style="font-size:1rem;font-weight:700;color:#0a0a0a;margin-bottom:6px">Change rate (commercial)</h3>
           <p style="font-size:.875rem;color:#6b7280;line-height:1.6">Speed of commercial turnover — openings, closures, category shifts and brand mix changes.</p>
         </div>
 
-        <div style="background:#f8f9ff;border:1px solid #e5e7eb;border-radius:12px;padding:24px 28px;cursor:pointer" onclick="location.href='#contact'" role="button" tabindex="0">
-          <div style="font-size:1.5rem;margin-bottom:10px">🏗️</div>
+        <div style="background:#f8f9ff;border:1px solid #e5e7eb;border-radius: var(--radius-md);padding:24px 28px;cursor:pointer" onclick="location.href='#contact'" role="button" tabindex="0">
+          <div style="font-size:1.5rem;margin-bottom:10px"><svg width="16" height="16" viewBox="0 0 16 16" fill="none"><path d="M2 14H14M4 14V8L8 4L12 8V14" stroke="#666" stroke-width="1.5" stroke-linejoin="round"/><path d="M6 14V10H10V14" stroke="#666" stroke-width="1.5"/></svg></div>
           <h3 style="font-size:1rem;font-weight:700;color:#0a0a0a;margin-bottom:6px">Change rate (physical)</h3>
           <p style="font-size:.875rem;color:#6b7280;line-height:1.6">Rate of physical transformation — construction, demolition, renovation and public realm works.</p>
         </div>
 
-        <div style="background:#f8f9ff;border:1px solid #e5e7eb;border-radius:12px;padding:24px 28px;cursor:pointer" onclick="location.href='#contact'" role="button" tabindex="0">
+        <div style="background:#f8f9ff;border:1px solid #e5e7eb;border-radius: var(--radius-md);padding:24px 28px;cursor:pointer" onclick="location.href='#contact'" role="button" tabindex="0">
           <div style="font-size:1.5rem;margin-bottom:10px"><svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#0066FF" stroke-width="2"><path d="M18 20V10"/><path d="M12 20V4"/><path d="M6 20v-6"/></svg></div>
           <h3 style="font-size:1rem;font-weight:700;color:#0a0a0a;margin-bottom:6px">Trend acceleration</h3>
           <p style="font-size:.875rem;color:#6b7280;line-height:1.6">Whether the rate of change is itself accelerating or decelerating — a second-order velocity signal.</p>
         </div>
 
-        <div style="background:#f8f9ff;border:1px solid #e5e7eb;border-radius:12px;padding:24px 28px;cursor:pointer" onclick="location.href='#contact'" role="button" tabindex="0">
-          <div style="font-size:1.5rem;margin-bottom:10px">📉</div>
+        <div style="background:#f8f9ff;border:1px solid #e5e7eb;border-radius: var(--radius-md);padding:24px 28px;cursor:pointer" onclick="location.href='#contact'" role="button" tabindex="0">
+          <div style="font-size:1.5rem;margin-bottom:10px"></div>
           <h3 style="font-size:1rem;font-weight:700;color:#0a0a0a;margin-bottom:6px">Volatility score</h3>
           <p style="font-size:.875rem;color:#6b7280;line-height:1.6">Consistency of change direction — high volatility means rapid oscillation between positive and negative signals.</p>
         </div>
 
-        <div style="background:#f8f9ff;border:1px solid #e5e7eb;border-radius:12px;padding:24px 28px;cursor:pointer" onclick="location.href='#contact'" role="button" tabindex="0">
-          <div style="font-size:1.5rem;margin-bottom:10px">🚀</div>
+        <div style="background:#f8f9ff;border:1px solid #e5e7eb;border-radius: var(--radius-md);padding:24px 28px;cursor:pointer" onclick="location.href='#contact'" role="button" tabindex="0">
+          <div style="font-size:1.5rem;margin-bottom:10px"><svg width="16" height="16" viewBox="0 0 16 16" fill="none"><path d="M8 2L10 8L14 9L8 14L6 8L2 7L8 2Z" fill="#666"/></svg></div>
           <h3 style="font-size:1rem;font-weight:700;color:#0a0a0a;margin-bottom:6px">Momentum indicators</h3>
           <p style="font-size:.875rem;color:#6b7280;line-height:1.6">Leading signals that suggest the current change rate will continue — or is about to reverse.</p>
         </div>
@@ -303,9 +303,9 @@
         <div class="section-label">Use cases</div>
         <h2 class="section-title section-title-light" style="margin-bottom:24px">Who uses this index.</h2>
         <div style="display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:40px">
-          <span style="background:#e0eaff;color:#0052cc;font-size:.8125rem;font-weight:600;padding:6px 14px;border-radius:100px">Timing investment decisions</span>
-          <span style="background:#e0eaff;color:#0052cc;font-size:.8125rem;font-weight:600;padding:6px 14px;border-radius:100px">Early market entry</span>
-          <span style="background:#e0eaff;color:#0052cc;font-size:.8125rem;font-weight:600;padding:6px 14px;border-radius:100px">Risk-adjusted expansion</span>
+          <span style="background:#e0eaff;color:#0052cc;font-size:.8125rem;font-weight:600;padding:6px 14px;border-radius: 100px">Timing investment decisions</span>
+          <span style="background:#e0eaff;color:#0052cc;font-size:.8125rem;font-weight:600;padding:6px 14px;border-radius: 100px">Early market entry</span>
+          <span style="background:#e0eaff;color:#0052cc;font-size:.8125rem;font-weight:600;padding:6px 14px;border-radius: 100px">Risk-adjusted expansion</span>
         </div>
       </div>
     </div>
@@ -318,7 +318,7 @@
         <div class="section-label">Sample output</div>
         <h2 class="section-title" style="margin-bottom:8px">What you receive.</h2>
         <p style="color:var(--text-dim);margin-bottom:48px">Velocity score + acceleration signal + volatility rating</p>
-        <div style="background:var(--surface-2);border:1px solid var(--border);border-radius:16px;padding:36px 40px;text-align:left">
+        <div style="background:var(--surface-2);border:1px solid var(--border);border-radius: var(--radius-lg);padding:36px 40px;text-align:left">
           <div style="display:flex;align-items:center;justify-content:space-between;margin-bottom:8px">
             <span style="color:var(--text-dim);font-size:.875rem;font-weight:600">Sample location · Placeholder score</span>
             <span style="color:#4ade80;font-size:.875rem;font-weight:700">↑ Accelerating</span>
@@ -328,8 +328,8 @@
             <span style="font-size:1.5rem;color:var(--text-dim)">/100</span>
           </div>
           
-    <div style="background:#f3f4f6;border-radius:8px;height:12px;width:100%;margin:12px 0 8px;overflow:hidden">
-      <div style="height:100%;width:83%;background:#4ade80;border-radius:8px;transition:width 1s ease"></div>
+    <div style="background:#f3f4f6;border-radius: var(--radius-md);height:12px;width:100%;margin:12px 0 8px;overflow:hidden">
+      <div style="height:100%;width:83%;background:#4ade80;border-radius: var(--radius-md);transition:width 1s ease"></div>
     </div>
   
           <div style="display:flex;justify-content:space-between;font-size:.75rem;color:var(--text-dim)">
@@ -352,29 +352,29 @@
           <h2 class="section-title">How this index detects narrative conflicts.</h2>
           <p style="color:rgba(255,255,255,.75);max-width:600px;margin:0 auto;line-height:1.7">Growth Velocity Index detects when official economic release cycles lag observable reality. GDP and business register data typically reflects conditions 6–18 months in the past. When field velocity indicators diverge sharply from the most recent official statistics, the contradiction engine quantifies the gap and adjusts the forward-looking velocity forecast.</p>
         </div>
-        <div style="background:rgba(0,0,0,.05);border:1px solid rgba(0,0,0,.1);border-radius:16px;padding:32px 36px">
+        <div style="background:rgba(0,0,0,.05);border:1px solid rgba(0,0,0,.1);border-radius: var(--radius-lg);padding:32px 36px">
           <div style="display:flex;align-items:flex-start;gap:16px;margin-bottom:24px">
-            <span style="font-size:1.5rem">🚩</span>
+            <span style="font-size:1.5rem"></span>
             <div>
               <div style="color:#f87171;font-weight:800;font-size:.9375rem;margin-bottom:4px">Contradiction Engine — How it works</div>
               <div style="color:rgba(255,255,255,.75);font-size:.875rem;line-height:1.6">Field observations are continuously cross-referenced against official records, registers, and published statistics. Divergence above threshold triggers a conflict flag.</div>
             </div>
           </div>
           <div style="display:grid;grid-template-columns:1fr 1fr;gap:16px">
-            <div style="background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.2);border-radius:10px;padding:16px">
+            <div style="background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.2);border-radius: var(--radius-md);padding:16px">
               <div style="color:#86efac;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px">Official record</div>
               <ul style="list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px">
-                <li style="color:rgba(255,255,255,.7);font-size:.875rem">✓ Published condition ratings</li>
-                <li style="color:rgba(255,255,255,.7);font-size:.875rem">✓ Official statistics</li>
-                <li style="color:rgba(255,255,255,.7);font-size:.875rem">✓ Register data</li>
+                <li style="color:rgba(255,255,255,.7);font-size:.875rem"><svg width="16" height="16" viewBox="0 0 16 16" fill="none"><path d="M3 8L6.5 11.5L13 4.5" stroke="#22c55e" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg> Published condition ratings</li>
+                <li style="color:rgba(255,255,255,.7);font-size:.875rem"><svg width="16" height="16" viewBox="0 0 16 16" fill="none"><path d="M3 8L6.5 11.5L13 4.5" stroke="#22c55e" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg> Official statistics</li>
+                <li style="color:rgba(255,255,255,.7);font-size:.875rem"><svg width="16" height="16" viewBox="0 0 16 16" fill="none"><path d="M3 8L6.5 11.5L13 4.5" stroke="#22c55e" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg> Register data</li>
               </ul>
             </div>
-            <div style="background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.2);border-radius:10px;padding:16px">
+            <div style="background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.2);border-radius: var(--radius-md);padding:16px">
               <div style="color:#fca5a5;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px">Observed reality</div>
               <ul style="list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px">
-                <li style="color:rgba(255,255,255,.7);font-size:.875rem">✗ Field observations</li>
-                <li style="color:rgba(255,255,255,.7);font-size:.875rem">✗ Real-time signals</li>
-                <li style="color:rgba(255,255,255,.7);font-size:.875rem">✗ Contradiction flags</li>
+                <li style="color:rgba(255,255,255,.7);font-size:.875rem"><svg width="16" height="16" viewBox="0 0 16 16" fill="none"><path d="M4 4L12 12M12 4L4 12" stroke="#ef4444" stroke-width="2" stroke-linecap="round"/></svg> Field observations</li>
+                <li style="color:rgba(255,255,255,.7);font-size:.875rem"><svg width="16" height="16" viewBox="0 0 16 16" fill="none"><path d="M4 4L12 12M12 4L4 12" stroke="#ef4444" stroke-width="2" stroke-linecap="round"/></svg> Real-time signals</li>
+                <li style="color:rgba(255,255,255,.7);font-size:.875rem"><svg width="16" height="16" viewBox="0 0 16 16" fill="none"><path d="M4 4L12 12M12 4L4 12" stroke="#ef4444" stroke-width="2" stroke-linecap="round"/></svg> Contradiction flags</li>
               </ul>
             </div>
           </div>
@@ -392,20 +392,20 @@
       </div>
       <div style="display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:20px;max-width:900px;margin:0 auto">
 
-        <a href="/intelligence/urban-growth-index/" style="display:block;background:#f8f9ff;border:1px solid #e5e7eb;border-radius:12px;padding:20px 24px;text-decoration:none;color:inherit;transition:border-color .2s,transform .15s" onmouseover="this.style.borderColor='#0066ff';this.style.transform='translateY(-2px)'" onmouseout="this.style.borderColor='#e5e7eb';this.style.transform='none'">
-          <div style="font-size:1.25rem;margin-bottom:8px">🌱</div>
+        <a href="/intelligence/urban-growth-index/" style="display:block;background:#f8f9ff;border:1px solid #e5e7eb;border-radius: var(--radius-md);padding:20px 24px;text-decoration:none;color:inherit;transition:border-color .2s,transform .15s" onmouseover="this.style.borderColor='#0066ff';this.style.transform='translateY(-2px)'" onmouseout="this.style.borderColor='#e5e7eb';this.style.transform='none'">
+          <div style="font-size:1.25rem;margin-bottom:8px"></div>
           <div style="font-weight:700;color:#0a0a0a;font-size:.9375rem;margin-bottom:4px">Urban Growth Index</div>
           <div style="color:#0066ff;font-size:.8125rem;font-weight:700">View index →</div>
         </a>
 
-        <a href="/intelligence/investment-attractiveness-index/" style="display:block;background:#f8f9ff;border:1px solid #e5e7eb;border-radius:12px;padding:20px 24px;text-decoration:none;color:inherit;transition:border-color .2s,transform .15s" onmouseover="this.style.borderColor='#0066ff';this.style.transform='translateY(-2px)'" onmouseout="this.style.borderColor='#e5e7eb';this.style.transform='none'">
-          <div style="font-size:1.25rem;margin-bottom:8px">💎</div>
+        <a href="/intelligence/investment-attractiveness-index/" style="display:block;background:#f8f9ff;border:1px solid #e5e7eb;border-radius: var(--radius-md);padding:20px 24px;text-decoration:none;color:inherit;transition:border-color .2s,transform .15s" onmouseover="this.style.borderColor='#0066ff';this.style.transform='translateY(-2px)'" onmouseout="this.style.borderColor='#e5e7eb';this.style.transform='none'">
+          <div style="font-size:1.25rem;margin-bottom:8px"></div>
           <div style="font-weight:700;color:#0a0a0a;font-size:.9375rem;margin-bottom:4px">Investment Attractiveness Index</div>
           <div style="color:#0066ff;font-size:.8125rem;font-weight:700">View index →</div>
         </a>
 
-        <a href="/intelligence/commercial-opportunity-index/" style="display:block;background:#f8f9ff;border:1px solid #e5e7eb;border-radius:12px;padding:20px 24px;text-decoration:none;color:inherit;transition:border-color .2s,transform .15s" onmouseover="this.style.borderColor='#0066ff';this.style.transform='translateY(-2px)'" onmouseout="this.style.borderColor='#e5e7eb';this.style.transform='none'">
-          <div style="font-size:1.25rem;margin-bottom:8px">📈</div>
+        <a href="/intelligence/commercial-opportunity-index/" style="display:block;background:#f8f9ff;border:1px solid #e5e7eb;border-radius: var(--radius-md);padding:20px 24px;text-decoration:none;color:inherit;transition:border-color .2s,transform .15s" onmouseover="this.style.borderColor='#0066ff';this.style.transform='translateY(-2px)'" onmouseout="this.style.borderColor='#e5e7eb';this.style.transform='none'">
+          <div style="font-size:1.25rem;margin-bottom:8px"><svg width="16" height="16" viewBox="0 0 16 16" fill="none"><path d="M2 12L6 8L9 11L14 5" stroke="#22c55e" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/><path d="M10 5H14V9" stroke="#22c55e" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg></div>
           <div style="font-weight:700;color:#0a0a0a;font-size:.9375rem;margin-bottom:4px">Commercial Opportunity Index</div>
           <div style="color:#0066ff;font-size:.8125rem;font-weight:700">View index →</div>
         </a>
@@ -503,7 +503,7 @@
         });
         if (res.ok || res.status === 201) {
           msgEl.className = 'success';
-          msgEl.textContent = "✓ Request received. We'll be in touch within one business day.";
+          msgEl.textContent = "<svg width="16" height="16" viewBox="0 0 16 16" fill="none"><path d="M3 8L6.5 11.5L13 4.5" stroke="#22c55e" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg> Request received. We'll be in touch within one business day.";
           msgEl.style.display = 'block';
           this.reset();
         } else { throw new Error('Server error ' + res.status); }