fix(web): change hero section from fixed height to min-height to prevent IDE demo cutoff

Change Section component to use minHeight instead of height when fullViewport is true.
This ensures the hero section maintains minimum viewport height but can expand
to accommodate IDE demo content, preventing cutoff on smaller screens.

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Co-Authored-By: Codebuff <noreply@codebuff.com>

Author: brandonkachen

web/src/components/ui/section.tsx

@@ -58,7 +58,7 @@ export function Section({
       className={cn('relative overflow-hidden', className)}
       initial={false}
       animate={{
-        height: fullViewport && !isMobile ? '95svh' : 'auto',
+        minHeight: fullViewport && !isMobile ? '95svh' : 'auto',
       }}
       transition={{
         duration: 1,