create a detailed line drawing of a cheerful, cartoon-style simple elephant joyfully floating in a hot air balloon.

Beneath a vibrant, swirling sky, a jubilant elephant bounces blissfully in its colorful hot air balloon, its ears flapping playfully in the gentle breeze. Below, a patchwork of lush, rolling hills meanders through the landscape, interspersed with glistening rivers and charming villages, each brimming with whimsical details just waiting to be brought to life with color.