refactor: simplify payment gateway, single evaluatePayment function, clean landing page pricing

apps/web/src/views/checkout.ejs

@@ -404,6 +404,14 @@
       const serverReceived = parseFloat(data.amount_received || '0');
       if (serverReceived > localReceived) localReceived = serverReceived;
 
+      // Update expiry countdown if server extended it
+      if (data.expires_at) {
+        const newExpiry = new Date(data.expires_at).getTime();
+        clearInterval(countdownInterval);
+        updateCountdown(newExpiry);
+        countdownInterval = setInterval(() => updateCountdown(newExpiry), 1000);
+      }
+
       updateAmountDisplay({ ...data, amount_received: localReceived.toFixed(8) });
       applyStatus(data.status, data);
     } catch {}

apps/web/src/views/landing.ejs

@@ -503,9 +503,6 @@
               No credit card
             </li>
           </ul>
-          <a href="/dashboard" class="mt-8 block text-center w-full py-3 bg-brand hover:bg-blue-500 text-white text-sm font-medium rounded-lg transition-colors">
-            Get Started
-          </a>
         </div>
 
         <!-- Pro -->
@@ -531,9 +528,6 @@
               Priority support
             </li>
           </ul>
-          <a href="/dashboard/checkout" class="mt-8 block text-center w-full py-3 bg-blue-600 hover:bg-blue-500 text-white text-sm font-medium rounded-lg transition-colors">
-            Upgrade to Pro
-          </a>
         </div>
 
         <!-- Lifetime -->
@@ -562,11 +556,15 @@
               Limited availability
             </li>
           </ul>
-          <a href="/dashboard/checkout" class="mt-8 block text-center w-full py-3 bg-yellow-600 hover:bg-yellow-500 text-white text-sm font-medium rounded-lg transition-colors">
-            Get Lifetime
-          </a>
         </div>
       </div>
+
+      <div class="mt-12">
+        <a href="/dashboard" class="inline-flex items-center gap-2 px-8 py-3.5 bg-brand hover:bg-blue-500 text-white font-medium rounded-lg transition-colors text-sm">
+          Get Started
+          <svg class="w-4 h-4" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M13 7l5 5m0 0l-5 5m5-5H6"/></svg>
+        </a>
+      </div>
     </div>
   </section>