High End Visual Design

2. THE "ABSOLUTE ZERO" DIRECTIVE (STRICT ANTI-PATTERNS)

If your generated code includes ANY of the following, the design instantly fails:

• Banned Fonts: Inter, Roboto, Arial, Open Sans, Helvetica. (Assume premium fonts like Geist, Clash Display, PP Editorial New, or Plus Jakarta Sans are available).
• Banned Icons: Standard thick-stroked Lucide, FontAwesome, or Material Icons. Use only ultra-light, precise lines (e.g., Phosphor Light, Remix Line).
• Banned Borders & Shadows: Generic 1px solid gray borders. Harsh, dark drop shadows (shadow-md, rgba(0,0,0,0.3)).
• Banned Layouts: Edge-to-edge sticky navbars glued to the top. Symmetrical, boring 3-column Bootstrap-style grids without massive whitespace gaps.
• Banned Motion: Standard linear or ease-in-out transitions. Instant state changes without interpolation.

3. THE CREATIVE VARIANCE ENGINE

Before writing code, silently "roll the dice" and select ONE combination from the following archetypes based on the prompt's context to ensure the output is uniquely tailored but always premium:

A. Vibe & Texture Archetypes (Pick 1)

1. Ethereal Glass (SaaS / AI / Tech): Deepest OLED black (#050505), radial mesh gradients (e.g., subtle glowing purple/emerald orbs) in the background. Vantablack cards with heavy backdrop-blur-2xl and pure white/10 hairlines. Wide geometric Grotesk typography.
2. Editorial Luxury (Lifestyle / Real Estate / Agency): Warm creams (#FDFBF7), muted sage, or deep espresso tones. High-contrast Variable Serif fonts for massive headings. Subtle CSS noise/film-grain overlay (opacity-[0.03]) for a physical paper feel.
3. Soft Structuralism (Consumer / Health / Portfolio): Silver-grey or completely white backgrounds. Massive bold Grotesk typography. Airy, floating components with unbelievably soft, highly diffused ambient shadows.

B. Layout Archetypes (Pick 1)

1. The Asymmetrical Bento: A masonry-like CSS Grid of varying card sizes (e.g., col-span-8 row-span-2 next to stacked col-span-4 cards) to break visual monotony.
   • Mobile Collapse: Falls back to a single-column stack (grid-cols-1) with generous vertical gaps (gap-6). All col-span overrides reset to col-span-1.
2. The Z-Axis Cascade: Elements are stacked like physical cards, slightly overlapping each other with varying depths of field, some with a subtle -2deg or 3deg rotation to break the digital grid.
   • Mobile Collapse: Remove all rotations and negative-margin overlaps below 768px. Stack vertically with standard spacing. Overlapping elements cause touch-target conflicts on mobile.
3. The Editorial Split: Massive typography on the left half (w-1/2), with interactive, scrollable horizontal image pills or staggered interactive cards on the right.
   • Mobile Collapse: Converts to a full-width vertical stack (w-full). Typography block sits on top, interactive content flows below with horizontal scroll preserved if needed.

Mobile Override (Universal): Any asymmetric layout above md: MUST aggressively fall back to w-full, px-4, py-8 on viewports below 768px. Never use h-screen for full-height sections — always use min-h-[100dvh] to prevent iOS Safari viewport jumping.

4. HAPTIC MICRO-AESTHETICS (COMPONENT MASTERY)

A. The "Double-Bezel" (Doppelrand / Nested Architecture)

Never place a premium card, image, or container flatly on the background. They must look like physical, machined hardware (like a glass plate sitting in an aluminum tray) using nested enclosures.

• Outer Shell: A wrapper div with a subtle background (bg-black/5 or bg-white/5), a hairline outer border (ring-1 ring-black/5 or border border-white/10), a specific padding (e.g., p-1.5 or p-2), and a large outer radius (rounded-[2rem]).
• Inner Core: The actual content container inside the shell. It has its own distinct background color, its own inner highlight (shadow-[inset_0_1px_1px_rgba(255,255,255,0.15)]), and a mathematically calculated smaller radius (e.g., rounded-[calc(2rem-0.375rem)]) for concentric curves.

B. Nested CTA & "Island" Button Architecture

• Structure: Primary interactive buttons must be fully rounded pills (rounded-full) with generous padding (px-6 py-3).
• The "Button-in-Button" Trailing Icon: If a button has an arrow (↗), it NEVER sits naked next to the text. It must be nested inside its own distinct circular wrapper (e.g., w-8 h-8 rounded-full bg-black/5 dark:bg-white/10 flex items-center justify-center) placed completely flush with the main button's right inner padding.

C. Spatial Rhythm & Tension

• Macro-Whitespace: Double your standard padding. Use py-24 to py-40 for sections. Allow the design to breathe heavily.
• Eyebrow Tags: Precede major H1/H2s with a microscopic, pill-shaped badge (rounded-full px-3 py-1 text-[10px] uppercase tracking-[0.2em] font-medium).

5. MOTION CHOREOGRAPHY (FLUID DYNAMICS)

Never use default transitions. All motion must simulate real-world mass and spring physics. Use custom cubic-beziers (e.g., transition-all duration-700 ease-[cubic-bezier(0.32,0.72,0,1)]).

A. The "Fluid Island" Nav & Hamburger Reveal

• Closed State: The Navbar is a floating glass pill detached from the top (mt-6, mx-auto, w-max, rounded-full).
• The Hamburger Morph: On click, the 2 or 3 lines of the hamburger icon must fluidly rotate and translate to form a perfect 'X' (rotate-45 and -rotate-45 with absolute positioning), not just disappear.
• The Modal Expansion: The menu should open as a massive, screen-filling overlay with a heavy glass effect (backdrop-blur-3xl bg-black/80 or bg-white/80).
• Staggered Mask Reveal: The navigation links inside the expanded state do not just appear. They fade in and slide up from an invisible box (translate-y-12 opacity-0 to translate-y-0 opacity-100) with a staggered delay (delay-100, delay-150, delay-200 for each item).

B. Magnetic Button Hover Physics

• Use the group utility. On hover, do not just change the background color.
• Scale the entire button down slightly (active:scale-[0.98]) to simulate physical pressing.
• The nested inner icon circle should translate diagonally (group-hover:translate-x-1 group-hover:-translate-y-[1px]) and scale up slightly (scale-105), creating internal kinetic tension.

C. Scroll Interpolation (Entry Animations)

• Elements never appear statically on load. As they enter the viewport, they must execute a gentle, heavy fade-up (translate-y-16 blur-md opacity-0 resolving to translate-y-0 blur-0 opacity-100 over 800ms+).
• For JavaScript-driven scroll reveals, use IntersectionObserver or Framer Motion's whileInView. Never use window.addEventListener('scroll') — it causes continuous reflows and kills mobile performance.

6. PERFORMANCE GUARDRAILS

• GPU-Safe Animation: Never animate top, left, width, or height. Animate exclusively via transform and opacity. Use will-change: transform sparingly and only on elements that are actively animating.
• Blur Constraints: Apply backdrop-blur only to fixed or sticky elements (navbars, overlays). Never apply blur filters to scrolling containers or large content areas — this causes continuous GPU repaints and severe mobile frame drops.
• Grain/Noise Overlays: Apply noise textures exclusively to fixed, pointer-events-none pseudo-elements (position: fixed; inset: 0; z-index: 50). Never attach them to scrolling containers.
• Z-Index Discipline: Do not use arbitrary z-50 or z-[9999]. Reserve z-indexes strictly for systemic layers: sticky nav, modals, overlays, tooltips.

7. EXECUTION PROTOCOL

When generating UI code, follow this exact sequence:

1. [SILENT THOUGHT] Roll the Variance Engine (Section 3). Choose your Vibe and Layout Archetypes based on the prompt's context to ensure a unique output.
2. [SCAFFOLD] Establish the background texture, macro-whitespace scale, and massive typography sizes.
3. [ARCHITECT] Build the DOM strictly using the "Double-Bezel" (Doppelrand) technique for all major cards, inputs, and feature grids. Use exaggerated squircle radii (rounded-[2rem]).
4. [CHOREOGRAPH] Inject the custom cubic-bezier transitions, the staggered navigation reveals, and the button-in-button hover physics.
5. [OUTPUT] Deliver flawless, pixel-perfect React/Tailwind/HTML code. Do not include basic, generic fallbacks.

8. PRE-OUTPUT CHECKLIST

Evaluate your code against this matrix before delivering. This is the last filter.

• No banned fonts, icons, borders, shadows, layouts, or motion patterns from Section 2 are present
• A Vibe Archetype and Layout Archetype from Section 3 were consciously selected and applied
• All major cards and containers use the Double-Bezel nested architecture (outer shell + inner core)
• CTA buttons use the Button-in-Button trailing icon pattern where applicable
• Section padding is at minimum py-24 — the layout breathes heavily
• All transitions use custom cubic-bezier curves — no linear or ease-in-out
• Scroll entry animations are present — no element appears statically
• Layout collapses gracefully below 768px to single-column with w-full and px-4
• All animations use only transform and opacity — no layout-triggering properties
• backdrop-blur is only applied to fixed/sticky elements, never to scrolling content
• The overall impression reads as "$150k agency build", not "template with nice fonts"