I'm at the top of the pop. Not the coda to your soda. What am I?

It looks like a definitive Jurassic reptile. It can help you come up with Alternative Words for your riddle.

I start when most are settling in, an end when birds begin their choir. I trade sunlight for humming machines or truckers needing coffee, keeping the world awake while others sleep.

Three wanderers pause as one, their pulls briefly agreed. Light bends, tides listen, and shadows align. I am order born from motion, balance achieved, A rare straightening written in gravity’s sign.

Tall and hollow, I stand on high, where grayish plumes dance with the sky. A steadfast guide for warmth and cheer, but not a door, window, or veneer.