Fix BUG-033: Update OpenAPI spec with Pro tier rate limit (30 req/min)

Fix BUG-032: Add 375px mobile breakpoint for terminal gap issues
- Reduced container padding to 12px on smallest screens
- Optimized code-section margins and padding
- Improved terminal header and code-block spacing
- Enhanced hero section padding for mobile

public/index.html

@@ -144,6 +144,27 @@ footer .container { display: flex; align-items: center; justify-content: space-b
   .trust-grid { gap: 24px; }
 }
 
+/* Fix mobile terminal gaps at 375px and smaller */
+@media (max-width: 375px) {
+  .container { 
+    padding: 0 12px !important; 
+  }
+  .code-section { 
+    margin: 32px auto 0;
+    max-width: calc(100vw - 24px) !important; 
+  }
+  .code-header { 
+    padding: 8px 12px; 
+  }
+  .code-block { 
+    padding: 12px !important;
+    font-size: 0.7rem;
+  }
+  .hero { 
+    padding: 56px 0 40px; 
+  }
+}
+
 /* Additional mobile overflow fixes */
 html, body {
   overflow-x: hidden !important;