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Lyon

B2B · YC Summer 2026

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Automated design study · full homepage

Light, left-aligned stacked product story with soft geometry and image-led proof.

Lyon – Foundation models on event data opens with “Foundation models on event data” in a left-aligned stacked hero.
Evidence & method · 1 capture note
Source
https://lyon.so/
Captured
2026-09-08
Extractor
2.5.0
Evidence
hero, middle, closing, mobile
  • Automated interpretation; editorial review is pending.
  • The hero heading was read from semantic heading markup.
  • 2 responsive breakpoint declarations were inspectable.
  • 1 stylesheet was inspectable; 0 cross-origin stylesheets were unavailable to rule inspection.
  • Computed styles describe the captured render; source design tokens and proprietary font files were not copied.

Captured screens

2026-09-08 · source viewport 1600 × 1000

Lyon hero homepage design evidence. Visible section: Foundation models on event data
Hero1600 × 1000
Lyon mid-page homepage design evidence. Visible section: Train a task adapter
Mid-page1600 × 1000
Lyon closing homepage design evidence. Visible section: Your data never leaves your cloud
Closing1600 × 1000
Lyon mobile homepage design evidence. Visible section: Foundation models on event data
Mobile390 × 844

System overview

Hero
stacked · left
Surface
light
Density
sparse
Content width
1032px
Confidence
medium
Primary action
None detected

Color system

Light surfaces use 7 repeated semantic colors; hierarchy is carried mainly by tonal contrast.

Canvas

Page canvas

Dominant rendered page background.
Surface 1

Surface

Repeated container or section fill; relative occurrence score 76.
Surface 2

Surface

Repeated container or section fill; relative occurrence score 36.
Surface 3

Surface

Repeated container or section fill; relative occurrence score 23.
Primary text

Primary text

Observed display foreground with 17.2:1 contrast against the captured canvas.
Secondary text

Secondary text

Observed reading foreground; measured canvas-reference contrast is 6.6:1.
Border

Border and divider

Most repeated inspectable border color.

Typography

A single-family system uses Instrument Sans across display and reading roles, differentiated by size and weight.

Metric previews use the observed CSS values. Source font files are not bundled, so unavailable families fall back locally.
display

Foundation models on event data

Instrument Sans · 58px/61.48px · weight 500 · tracking -2.32px · color rgb(22, 24, 28)
heading

One model, every prediction

Instrument Sans · 38px/43.7px · weight 500 · tracking -0.95px · color rgb(22, 24, 28)
body

Churn, credit risk, fraud, collections, income, cross-sell: every downstream task comes from the…

Instrument Sans · 16.5px/25.575px · weight 400 · tracking 0px · color rgb(86, 91, 99)
body-small

Have features that already work? Upgrade them. Lyon’s downstream models can take them alongside the…

Instrument Sans · 14px/21.7px · weight 400 · tracking 0px · color rgb(107, 114, 128)
label

Trust Center

Instrument Sans · 13px/20.15px · weight 400 · tracking 0px · color rgb(107, 114, 128)

Spacing & shape

Spacing

Base unit
4px
Section gap
80px
Container
18px
14px18px28px10px80px24px20px13px6px26px

Shape

Soft geometry is the dominant shape voice. Separation relies on borders and surface contrast rather than shadow.

Containers
3px
Pills
2px
Cards
10px
Media
0px
Inspect borders & shadows · 2
Borders
1px solid rgb(230, 231, 233)
Shadows
None observed

Component grammar

Token-based examples, not original components. Source fonts may fall back locally.

Hero

Opening proposition

1 observed

Stacked, left-aligned opening anchored by the primary message.

Inspect 4 properties
Pattern
stacked
Alignment
left
Heading
Instrument Sans · 58px / 500
Media
image-led

Navigation

Global wayfinding

1 observed

Static navigation with 2 visible actions in the desktop opening.

Inspect 7 properties
Text
#16181c
Border
none
Radius
0px
Padding
0px 0px 0px 0px
Type
Instrument Sans · 16px / 400
Position
static
Height
22px

Content card

Repeated content module

2 observed

2 style-matched content card instances were found among 3 candidates; properties describe the dominant observed cluster.

Example content
Inspect 6 properties
Text
#16181c
Border
none
Radius
0px
Padding
0px 0px 0px 0px
Type
Instrument Sans · 16px / 400
Candidate pool
3

Media frame

Visual proof

2 observed

2 style-matched media elements were found among 4 rendered candidates; fill fitting and 0px are the most repeated treatments.

Inspect 4 properties
Fit
fill, contain
Ratios
1.00, 2.06, 1.60
Radius
0px
Candidate pool
4

Footer

Closing navigation

1 observed

3 visible actions close the page on a transparent surface.

Inspect 6 properties
Text
#16181c
Border
none
Radius
0px
Padding
26px 24px 40px 24px
Type
Instrument Sans · 16px / 400
Links
3

Layout & narrative

The homepage continues through 3 observed sections, moving from the opening proposition into One model, every prediction, Train a task adapter, Your data never leaves your cloud.

Structure
Stacked product narrative
Hero pattern
Stacked hero: message leads into visual proof within the opening
Grid
2 columns
Closing
Utility footer with 3 actions
Full section sequence · 3
  1. One model, every prediction
  2. Train a task adapter
  3. Your data never leaves your cloud

Imagery, motion & responsive

Imagery

Image led media acts as the page’s primary visual proof rather than decoration.

fill fitting · square-edged frames
Inspect imagery inventory
Composition
A focused visual anchors the first viewport.
Inventory
3 images/canvas elements and 1 video across the analyzed homepage.

Motion

1 declared keyframe and 9 active animations were inspectable at capture; observed timing uses 0.33s, 500ms.

No reduced-motion rule detected
Inspect motion inventory
Libraries
CSS / browser-native or bundled source not identifiable
Keyframes
fade-in
Durations
0.33s, 500ms
Easings
cubic-bezier(0.5, 1, 0.89, 1), ease, ease, linear
States
hover, focus

Mobile

The same 2 visible navigation actions remain at mobile width. Hero alignment changes from left to center; mobile heading size is 32px.

Observed multi-column desktop regions collapse to a single-column mobile flow.
Inspect responsive test
Viewport
390 × 844
Overflow
No horizontal overflow detected

Reproduction guidance

Do

  • Pair the observed #fbfbfb canvas with #16181c primary copy before adding secondary surfaces.
  • Use Instrument Sans at 58px/61.48px, weight 500, for the primary display moment.
  • Let the left-aligned stacked hero establish hierarchy before secondary content.
  • Image led media acts as the page’s primary visual proof rather than decoration.

Don’t

  • Do not mix in arbitrary radii; 3px is the repeated treatment on containers.
  • Do not introduce an accent hue that is absent from the captured palette.
  • Do not introduce extra type families beyond Instrument Sans.
  • Do not add card shadows; the source separates content without repeated elevation.