Here are three instant impressions from the Seahawks' 42-29 loss against the Detroit Lions on Monday night:

Seahawks offense was ready for prime time

The Seahawks defense received most of the accolades during Seattle's 3-0 start, but it was the offense that kept Seattle in the game Monday night while the defense struggled mightily.

It was an outstanding game by Seattle quarterback Geno Smith. He has been really good through four games, and if he hasn't silenced his critics, he should have.

The Seahawks offense played well enough that Seattle should have won.

Seahawks defense wasn't ready for prime time

Seattle's defense has been weakened by injuries, but for the second time in four games the Seahawks struggled to stop their opponent from running the football, and on Monday night, they couldn't stop the pass either.

The first time the Seahawks struggled against the run was at New England, but the Seahawks were still able to eke out a victory.

But this defensive performance was so epically bad, that even a great performance by the Seattle offense was not enough to save the Seahawks.

It should get better for the Seahawks when they get more healthy on that side of the ball, but it will need to.

The Seahawks weren't going to be undefeated. What happens next?

The first loss of the season is never fun, but the Seahawks were bound to lose a game at some point this season.

This was certainly not a bad loss, playing against a good, favored team on the road. The key is to rebound and with a home game against one of the worst teams in the NFL — the New York Giants — the Seahawks seem in good position to do that.

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