Two contrasting chess puzzles

Two dramatically contrasting chess puzzles:

The first one is gauchely complicated. Its solution is fiendishly difficult to find - completely from the left field. You just have to marvel at the devilish mind of the composer.

By contrast, the 2nd one is elegantly simple. Although the solution is easy to find; and yet you are left marveling at the ingenuity of the composer who made the White pieces dance so gracefully over the board.

Puzzle 1 - White to move and mate in 3. Solution is in the comment section.

Puzzle 2 - White to move and win. Solution is in the comment section.

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