Send a rough idea.

The brand, the product and your timing. That is genuinely enough to start: a short brief and any references you already have beat a long document nobody has written yet.

If you know the format you want, say so. If you do not, describe what the piece has to do and the shape of it can be worked out together. Deadlines are worth stating early, because they change what is possible more than anything else in a brief.

I'll read this properly and come back to you, usually within a day or two. Enquiries go to Oh Jia Hao (Dave Oh) directly, not to an inbox somebody else reads first.

Scope, schedule and cost are worked out per project, because they depend on what the piece actually is. A single product loop and a campaign world are different jobs, and a number quoted before anyone knows which one you want would be fiction.