Stratosphere Horizon

The layout is divided into a high-key atmospheric CTA section above a deep obsidian navy footer (#0C141D). The CTA canvas uses an organic linear-radial gradient drifting from warm sunlit cream (#FAF6ED) down into a vibrant oceanic cyan (#429DB7) accented with dot-matrix lattices and trajectory arcs. Typography relies on a clinical neo-grotesque sans, featuring a 44px display headline in deep charcoal (#0F172A) balanced against generous 64px line heights and airy letter spacing. A stark burnt-terracotta primary action button (#BE4127) introduces tactile warmth against cool teal atmosphere, while the footer leverages a high-density 6-column grid with subdued ash typography (#8B9BB0). Radii are held rigorously between 8px for tactile rectangular targets and 999px for status lozenges and circular icon housings.

1 design references

Prompt metadata
Shared by	@Devault
Model	GPT Image 2.5
Category	Pricing & calls to action
Dataset	stretchcloud · awesome-gpt-image-prompt-2.5

The prompt

Design a light-mode website section: sunlit atmospheric horizon dropping sharply into deep obsidian terminal navy with surgical instrument styling.

LAYOUT
The view is composed of two contrasting macro-blocks stacked vertically. Top block: centered CTA stack (pill badge, 2-line headline, 2-line subcopy, dual button cluster) framed by decorative telemetry margins. Bottom block: 1240px container divided into a 6-column asymmetric footer grid with identity and newsletter flanking four link directories, concluded by an edge-to-edge legal bar.

PALETTE (use these exact hex values)
- #0C141D — Midnight Base: Footer container background providing absolute grounding contrast beneath the sky gradient
- linear-gradient(180deg, #F9F5EE 0%, #E3EFEB 35%, #56ADC5 100%) — Sky Gradient: Luminous atmospheric backdrop spanning the entire pre-footer hero CTA zone
- #BE4127 — Burnt Terracotta: Primary conversion button fill in CTA section, creating an immediate warm focal anchor
- #89E5CB — Seafoam Accent: Submit action tile background in newsletter form and active status indicator dot
- #0F172A — Charcoal Slate: Display headlines and primary copy across the high-key upper hemisphere
- #274D5A — Deep Water Text: Supporting paragraph text inside the hero gradient area for legible contrast
- #8B9BB0 — Subtle Ash: Navigation links, metadata, copyright notice, and form placeholder text inside dark footer

TYPOGRAPHY
Typeface Inter (or Plus Jakarta Sans, SF Pro Display, Geist), weights 400/500/600/700. Sizes 11px caption, 13px body-sm, 14px body, 15px body-lg, 18px subheading, 24px heading, 44px display. Tracking -0.025em at 44px, 0.08em on uppercase labels. Surgical, modern, and highly technical without tilting into playful whimsy. Clean grotesk geometry conveys institutional engineering discipline, made warmer by generous tracking and tight display leading. Standard open-source workhorses like Inter or Geist match the look with zero deviation.

GEOMETRY & SPACING
Corner radii — cards 8px, links 4px, inputs 8px, buttons 8px. Spacing on a 4px unit, 24px gaps, 88px between sections, 1240px container, comfortable density.

DEPTH
Elevation is purely tonal rather than volumetric. No soft drop shadows exist anywhere; spatial priority is established through contrasting field fills, subtle 1px translucent borders, and the dramatic contrast between the sunlit gradient upper section and the obsidian footer plane.

IMAGERY
Vector-based atmospheric telemetry lines and subtle dot-matrix node patterns overlay the gradient sky. Trajectory curves simulate orbital pathing or computational telemetry with tiny glowing node points. Photographic assets and figurative illustrations are strictly avoided in favor of scientific minimalism.

SIGNATURE DETAIL — the thing that makes this design itself
The sharp planetary horizon where warm sunlit teal sky drops abruptly into an obsidian terminal footer, pierced by an unexpected burnt-terracotta CTA button. The signature requires zero drop shadows and exact 8px corner radii; rounding CTA buttons into pills or softening the dark canvas transition ruins the architectural tension.

MUST
- Retain the sharp dividing horizon line between the upper teal atmosphere and lower obsidian footer canvas.
- Pair the warm burnt-terracotta primary CTA button exclusively against the cyan atmospheric gradient.
- Use uppercase tracking (0.08em-0.12em) on all 11px footer category labels and pre-heading pill tags.
- Maintain exact 8px corner radius alignment between primary CTA, ghost button, and email input containers.

AVOID
- Never place the terracotta CTA button directly onto the dark midnight footer surface.
- Do not add drop shadows to buttons; depth must be created via flat hue shifts and thin borders.
- Never round CTA buttons to full pill shapes; strict 8px rectangular geometry is mandatory.
- Do not extend the cyan-to-cream gradient into the footer; the canvas boundary must remain razor-sharp.

OUTPUT
Render as a clean, pixel-crisp UI design at roughly 1792:1024. Flat vector rendering, real legible text, no browser chrome, no device mockup frame, no watermark, no lorem ipsum placeholder blocks.

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