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No.188 · Pricing

Subtractive Pricing

Pricing as one feature list instead of three cards: step down a tier and the features you'd lose are struck through, one by one; step up and they come back.

The prompt

Written for the variant you picked above: Frost

Replace the usual three pricing cards with a single feature list. On the left, a vertical plan ladder (radiogroup) from most generous to least — Studio, Team, Solo, Free — each row with an Instrument Serif name, a one-line blurb and a mono price; the selected row gets a faint fill and a 2px accent bar that grows from its centre. On the right, one sheet: a large serif price whose digits roll like reels (each digit is a 0–9 column translated by −digit×10%, 700ms expo-out), '/ month', and a mono tally ('11 of 14 included · 3 left out', aria-live). Below, the full top-tier feature list in groups (Build / Collaborate / Operate) in two columns. Every feature knows the lowest plan that includes it. Plans are expressed by what is struck out: an excluded line is faint with a drawn 1px strike (a pseudo-element scaled on X) and a dash mark; an included line is bone with an accent tick that draws in. Changing plan animates only the lines that differ, staggered 45ms — losing features strikes them top-down (strike grows from the left); regaining unstrikes them bottom-up (strike retracts to the right), the tick redraws and the label glows accent once. ↑/↓/Home/End move the plan. Stacks to one column below 44rem. Selected variant — Frost: accent #b9cce4 (frost blue) for the plan bar, ticks and glow.

Notes

Interaction
Pick a plan (click or ↑/↓); only the features that change animate — struck when lost, restored when gained.
Motion
45ms-staggered strike (420ms scaleX) and tick draw (380ms dash), directional per change; 700ms rolling price digits; one-shot accent glow on regained lines.
Accessibility
Plans are a radiogroup with roving tabindex; each feature has hidden 'included / not included' text; the tally and price are announced. Reduced motion changes state instantly.
Responsive
A container query stacks the ladder above the sheet and the list into one column below 44rem.
On touch
Plans are large tap targets; everything else is static reading.

Featured

01Glassbreak ButtonA solid plate that fractures from one impact point, cracks racing outward as the shards drift apart.04Liquid GlassA capsule of glass that bends what's behind it, carries a specular highlight around its rim toward your pointer, and squashes like a drop of liquid when pressed.07Phosphor Glass ButtonA liquid-glass pill that senses you coming: its rim light turns to face the cursor and the pill leans in to meet it.08Iris ShutterAn async button with a camera iris for a status light — blades close and turn while it works, then open onto the result.
81Atmosphere CardSmoked-glass link cards: colour pooled in the corners, slow contour currents underneath, a field that leans toward you.93Eclipse Event CardAn editorial event plate with an oversized date and an orbital eclipse bleeding in from the right, alive with slow drift.94Specimen CardAn object mounted under glass: hover lifts the pane with a sweep of reflection and swings out a paper catalogue tag.
95Silk FieldDomain-warped light that pours like liquid silk, with an optional glass lens that refracts the flow under your cursor.106IsobarA living weather map — contour lines traced over a drifting pressure field, with your cursor as a system of its own.
151Prompt ComposerA chat composer where attached files tuck into its top edge like tabs in a folder — they rise from behind it when added and sink back when removed. Send turns into stop while the reply streams.157Aura FieldA writing field where colour only exists while the AI is touching your text: the edge becomes a turning band of light and the words are rewritten in place, one by one, out of a soft blur.
205Halftone CTAA tall CTA banner where slow gold paint drifts beneath a fixed halftone grid, visible only through the dots.
212Nocturne Sign-inA single quiet column on near-black with a breathing seam of frost light behind it — email, password, magic link, nothing more.222Sigil Sign-inA split sign-in whose left half grows a geometric mark from your email — the same address always draws the same sigil.
275Voices CarouselA testimonial exhibition: one large quote at a time on frosted glass, crossfading between voices without ever resizing.
279Feral TitleA brutal condensed wordmark — heartbeat in the dark, letters slam in, a gash tears through and the word bleeds.
301 components