fix(visual): 1:1 banner/hero/modal + strip non-zibll card chrome

Align banner s-desc caption/scale-height, hero search pill and -40px cards, modal colorful header/spring scale; remove white/pink card borders and hover lifts across mainline surfaces.

assets/css/frontend/footer/part-3.css

@@ -56,7 +56,7 @@
     align-items: center;
     padding: 14px 14px 14px 12px;
     border-radius: 18px;
-    border: 1px solid rgba(255, 255, 255, 0.55);
+    border: none;
     box-shadow: var(--shadow-sm);
     background: var(--surface-4);
 }
@@ -143,7 +143,7 @@
     justify-content: space-between;
     gap: 12px;
     width: 100%;
-    border: 1px solid rgba(255, 255, 255, 0.55);
+    border: none;
     border-radius: 16px;
     padding: 12px 14px;
     background: var(--surface-4);