Seg: bump image heights to 768; restore purple gradient title

app.py

@@ -173,9 +173,11 @@ CUSTOM_CSS = """
     -moz-osx-font-smoothing: grayscale;
 }
 
-#title { text-align: center; font-size: 38px; font-weight: 600;
-         letter-spacing: -0.01em; color: #0f172a;
-         margin: 28px 0 4px; }
+#title { text-align: center; font-size: 44px; font-weight: 700;
+         letter-spacing: -0.01em; margin: 28px 0 4px;
+         background: linear-gradient(90deg, #1d4ed8 0%, #6d28d9 50%, #be185d 100%);
+         -webkit-background-clip: text; -webkit-text-fill-color: transparent;
+         background-clip: text; }
 #subtitle { text-align: center; font-size: 12px; color: #64748b;
             letter-spacing: 0.18em; margin: 0 0 14px; text-transform: uppercase;
             font-weight: 500; }
@@ -235,11 +237,11 @@ with gr.Blocks(title="Sapiens2 Seg", theme=gr.themes.Soft(), css=CUSTOM_CSS) as
     gr.HTML(HEADER_HTML)
 
     with gr.Row(equal_height=True):
-        inp = gr.Image(label="Input", type="pil", height=540)
+        inp = gr.Image(label="Input", type="pil", height=768)
         out_annot = gr.AnnotatedImage(
             label="Body parts",
             color_map=_CLASS_COLORS_HEX,
-            height=540,
+            height=768,
             show_legend=True,
             elem_id="seg-out",
         )