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docs: point two prompting links at headings that exist
Both went to /guides/color-grading anchors that the guide rewrite removed. The content did not disappear — it lives on /reference/color-grading as 'Animate a supported property' and 'Limit a grade to part of the frame'. A reader clicking either landed on the right page and scrolled nowhere. mint broken-links does not check anchors, so CI would never have caught this.
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@@ -35,7 +35,7 @@ This is not cosmetic. A global `saturation: -0.9` in `adjust` runs *before* `sec
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## Grading qualifies by value, never by position
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Selections key on hue, saturation, and luma. There are no masks, shapes, or tracked regions, and the one spatially-varying control — `vignette` — is locked to the frame centre. To treat *part* of a frame you split that part into its own layer and grade the layer. That pattern, with worked markup, is in [Limiting a Grade to Part of the Frame](/guides/color-grading#limiting-a-grade-to-part-of-the-frame).
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Selections key on hue, saturation, and luma. There are no masks, shapes, or tracked regions, and the one spatially-varying control — `vignette` — is locked to the frame centre. To treat *part* of a frame you split that part into its own layer and grade the layer. That pattern, with worked markup, is in [Limiting a Grade to Part of the Frame](/reference/color-grading#limit-a-grade-to-part-of-the-frame).
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---
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@@ -202,7 +202,7 @@ Nine properties expose a CSS custom property and tween directly — `ascii`, `bl
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Two caveats worth knowing before you promise a client a ramp:
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- **`--hf-color-grading-intensity` scales the primary grade only** — `adjust`, `wheels`, `curves`, `hueCurves`, `secondaries` and the LUT. `details` and `effects` sit outside that mix and it scales neither: some shape the sampled media before it, others run after it. So it will not ramp grain, halftone, bloom, or the tape and CRT families. Reach for the specific effect instead of treating it as a master dial.
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- **Everything else has no custom property.** Some of those can still be animated by rewriting the `data-color-grading` payload from the timeline, and some cannot — the verified list of which is which lives in the guide's [Animating a Grade](/guides/color-grading#animating-a-grade), so it only has to be maintained in one place. Measure the effect you intend to animate before you promise a ramp, and fall back to a static treatment if it does not move.
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- **Everything else has no custom property.** Some of those can still be animated by rewriting the `data-color-grading` payload from the timeline, and some cannot — the verified list of which is which lives in the guide's [Animating a Grade](/reference/color-grading#animate-a-supported-property), so it only has to be maintained in one place. Measure the effect you intend to animate before you promise a ramp, and fall back to a static treatment if it does not move.
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## Next steps
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