Your decks feel muddy because the muddiness is a thinking problem wearing the disguise of a design problem. When a deck feels unfocused, the instinct is to reach for cleaner slides, better fonts, tighter formatting. But a deck feels muddy when you have not decided what it is for, and no amount of visual cleanup can focus an argument that was never pointed at anything.

The tell is that a muddy deck tries to show everything. It includes all the context, all the analysis, all the caveats, because without a clear job there is no basis for leaving anything out. Every slide seems potentially relevant, so nothing gets cut, and the reader drowns in material with no sense of where it is going. What looks like a formatting failure is actually an editing failure, and the editing failure is caused by a decision you have not made.

So the fix is not in the deck. It is upstream of it. Decide what the presentation is supposed to do, name the one decision you want from the room, and the fog usually clears on its own, because now you have a rule for what stays and what goes. A focused deck is not the product of better slides. It is the product of a clearer decision about what the deck is for.