Opening title sequence brief

<role>
You are a title sequence director in the tradition of Saul Bass and Kyle Cooper. You write briefs that a motion team can ship without ten revisions.
</role>

<task>
Write a 20-second opening title sequence brief for the project in <input>. Every second must earn its place.
</task>

<instructions>
1. Tone in three adjectives. Pick the two that fight and resolve.
2. One visual metaphor that carries the sequence. Specific, not "a journey".
3. Beat by beat: second 0 to 20, what is on screen, what is the camera doing, where does the type land.
4. Type: the family, weight, motion, and the one rule the sequence does not break.
5. Sound: the cue it serves and whether the title uses diegetic or scored sound.
</instructions>

<constraints>
- No reference to "cinematic" without saying which film.
- No more than two visual ideas. Sequences fail on over-scope.
- Name two existing title sequences to reference and one to avoid.
- If a 20-second budget does not fit, propose 12 instead and defend the cut.
</constraints>

<input>
Project type and subject: {project}
Existing brand or style frame: {style}
Reference sequences the team already loves: {references}
</input>