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Design System: Airbnb

1. Visual Theme & Atmosphere

Airbnb's website is a warm, photography-forward marketplace that feels like flipping through a travel magazine where every page invites you to book. The design operates on a foundation of pure white (#ffffff) with the iconic Rausch Red (#ff385c) named after Airbnb's first street address serving as the singular brand accent. The result is a clean, airy canvas where listing photography, category icons, and the red CTA button are the only sources of color.

The typography uses Airbnb Cereal VF a custom variable font that's warm and approachable, with rounded terminals that echo the brand's "belong anywhere" philosophy. The font operates in a tight weight range: 500 (medium) for most UI, 600 (semibold) for emphasis, and 700 (bold) for primary headings. Slight negative letter-spacing (-0.18px to -0.44px) on headings creates a cozy, intimate reading experience rather than the compressed efficiency of tech companies.

What distinguishes Airbnb is its palette-based token system (--palette-*) and multi-layered shadow approach. The primary card shadow uses a three-layer stack (rgba(0,0,0,0.02) 0px 0px 0px 1px, rgba(0,0,0,0.04) 0px 2px 6px, rgba(0,0,0,0.1) 0px 4px 8px) that creates a subtle, warm lift. Combined with generous border-radius (8px32px), circular navigation controls (50%), and a category pill bar with horizontal scrolling, the interface feels tactile and inviting designed for browsing, not commanding.

Key Characteristics: - Pure white canvas with Rausch Red (#ff385c) as singular brand accent - Airbnb Cereal VF custom variable font with warm, rounded terminals - Palette-based token system (--palette-*) for systematic color management - Three-layer card shadows: border ring + soft blur + stronger blur - Generous border-radius: 8px buttons, 14px badges, 20px cards, 32px large elements - Circular navigation controls (50% radius) - Photography-first listing cards images are the hero content - Near-black text (#222222) warm, not cold - Luxe Purple (#460479) and Plus Magenta (#92174d) for premium tiers

2. Color Palette & Roles

Primary Brand

  • Rausch Red (#ff385c): --palette-bg-primary-core, primary CTA, brand accent, active states
  • Deep Rausch (#e00b41): --palette-bg-tertiary-core, pressed/dark variant of brand red
  • Error Red (#c13515): --palette-text-primary-error, error text on light
  • Error Dark (#b32505): --palette-text-secondary-error-hover, error hover

Premium Tiers

  • Luxe Purple (#460479): --palette-bg-primary-luxe, Airbnb Luxe tier branding
  • Plus Magenta (#92174d): --palette-bg-primary-plus, Airbnb Plus tier branding

Text Scale

  • Near Black (#222222): --palette-text-primary, primary text warm, not cold
  • Focused Gray (#3f3f3f): --palette-text-focused, focused state text
  • Secondary Gray (#6a6a6a): Secondary text, descriptions
  • Disabled (rgba(0,0,0,0.24)): --palette-text-material-disabled, disabled state
  • Link Disabled (#929292): --palette-text-link-disabled, disabled links

Interactive

  • Legal Blue (#428bff): --palette-text-legal, legal links, informational
  • Border Gray (#c1c1c1): Border color for cards and dividers
  • Light Surface (#f2f2f2): Circular navigation buttons, secondary surfaces

Surface & Shadows

  • Pure White (#ffffff): Page background, card surfaces
  • Card Shadow (rgba(0,0,0,0.02) 0px 0px 0px 1px, rgba(0,0,0,0.04) 0px 2px 6px, rgba(0,0,0,0.1) 0px 4px 8px): Three-layer warm lift
  • Hover Shadow (rgba(0,0,0,0.08) 0px 4px 12px): Button hover elevation

3. Typography Rules

Font Family

  • Primary: Airbnb Cereal VF, fallbacks: Circular, -apple-system, system-ui, Roboto, Helvetica Neue
  • OpenType Features: "salt" (stylistic alternates) on specific caption elements

Hierarchy

Role Font Size Weight Line Height Letter Spacing Notes
Section Heading Airbnb Cereal VF 28px (1.75rem) 700 1.43 normal Primary headings
Card Heading Airbnb Cereal VF 22px (1.38rem) 600 1.18 (tight) -0.44px Category/card titles
Card Heading Medium Airbnb Cereal VF 22px (1.38rem) 500 1.18 (tight) -0.44px Lighter variant
Sub-heading Airbnb Cereal VF 21px (1.31rem) 700 1.43 normal Bold sub-headings
Feature Title Airbnb Cereal VF 20px (1.25rem) 600 1.20 (tight) -0.18px Feature headings
UI Medium Airbnb Cereal VF 16px (1.00rem) 500 1.25 (tight) normal Nav, emphasized text
UI Semibold Airbnb Cereal VF 16px (1.00rem) 600 1.25 (tight) normal Strong emphasis
Button Airbnb Cereal VF 16px (1.00rem) 500 1.25 (tight) normal Button labels
Body / Link Airbnb Cereal VF 14px (0.88rem) 400 1.43 normal Standard body
Body Medium Airbnb Cereal VF 14px (0.88rem) 500 1.29 (tight) normal Medium body
Caption Salt Airbnb Cereal VF 14px (0.88rem) 600 1.43 normal "salt" feature
Small Airbnb Cereal VF 13px (0.81rem) 400 1.23 (tight) normal Descriptions
Tag Airbnb Cereal VF 12px (0.75rem) 400700 1.33 normal Tags, prices
Badge Airbnb Cereal VF 11px (0.69rem) 600 1.18 (tight) normal "salt" feature
Micro Uppercase Airbnb Cereal VF 8px (0.50rem) 700 1.25 (tight) 0.32px text-transform: uppercase

Principles

  • Warm weight range: 500700 dominate. No weight 300 or 400 for headings Airbnb's type is always at least medium weight, creating a warm, confident voice.
  • Negative tracking on headings: -0.18px to -0.44px letter-spacing on display creates intimate, cozy headings rather than cold, compressed ones.
  • "salt" OpenType feature: Stylistic alternates on specific UI elements (badges, captions) create subtle glyph variations that add visual interest.
  • Variable font precision: Cereal VF enables continuous weight interpolation, though the design system uses discrete stops at 500, 600, and 700.

4. Component Stylings

Buttons

Primary Dark - Background: #222222 (near-black, not pure black) - Text: #ffffff - Padding: 0px 24px - Radius: 8px - Hover: transitions to error/brand accent via var(--accent-bg-error) - Focus: 0 0 0 2px var(--palette-grey1000) ring + scale(0.92)

Circular Nav - Background: #f2f2f2 - Text: #222222 - Radius: 50% (circle) - Hover: shadow rgba(0,0,0,0.08) 0px 4px 12px + translateX(50%) - Active: 4px white border ring + focus shadow - Focus: scale(0.92) shrink animation

Cards & Containers

  • Background: #ffffff
  • Radius: 14px (badges), 20px (cards/buttons), 32px (large)
  • Shadow: rgba(0,0,0,0.02) 0px 0px 0px 1px, rgba(0,0,0,0.04) 0px 2px 6px, rgba(0,0,0,0.1) 0px 4px 8px (three-layer)
  • Listing cards: full-width photography on top, details below
  • Carousel controls: circular 50% buttons

Inputs

  • Search: #222222 text
  • Focus: var(--palette-bg-primary-error) background tint + 0 0 0 2px ring
  • Radius: depends on context (search bar uses pill-like rounding)
  • White sticky header with search bar centered
  • Airbnb logo (Rausch Red) left-aligned
  • Category filter pills: horizontal scroll below search
  • Circular nav controls for carousel navigation
  • "Become a Host" text link, avatar/menu right-aligned

Image Treatment

  • Listing photography fills card top with generous height
  • Image carousel with dot indicators
  • Heart/wishlist icon overlay on images
  • 8px14px radius on contained images

5. Layout Principles

Spacing System

  • Base unit: 8px
  • Scale: 2px, 3px, 4px, 6px, 8px, 10px, 11px, 12px, 15px, 16px, 22px, 24px, 32px

Grid & Container

  • Full-width header with centered search
  • Category pill bar: horizontal scrollable row
  • Listing grid: responsive multi-column (35 columns on desktop)
  • Full-width footer with link columns

Whitespace Philosophy

  • Travel-magazine spacing: Generous vertical padding between sections creates a leisurely browsing pace you're meant to scroll slowly, like browsing a magazine.
  • Photography density: Listing cards are packed relatively tightly, but each image is large enough to feel immersive.
  • Search bar prominence: The search bar gets maximum vertical space in the header finding your destination is the primary action.

Border Radius Scale

  • Subtle (4px): Small links
  • Standard (8px): Buttons, tabs, search elements
  • Badge (14px): Status badges, labels
  • Card (20px): Feature cards, large buttons
  • Large (32px): Large containers, hero elements
  • Circle (50%): Nav controls, avatars, icons

6. Depth & Elevation

Level Treatment Use
Flat (Level 0) No shadow Page background, text blocks
Card (Level 1) rgba(0,0,0,0.02) 0px 0px 0px 1px, rgba(0,0,0,0.04) 0px 2px 6px, rgba(0,0,0,0.1) 0px 4px 8px Listing cards, search bar
Hover (Level 2) rgba(0,0,0,0.08) 0px 4px 12px Button hover, interactive lift
Active Focus (Level 3) rgb(255,255,255) 0px 0px 0px 4px + focus ring Active/focused elements

Shadow Philosophy: Airbnb's three-layer shadow system creates a warm, natural lift. Layer 1 (0px 0px 0px 1px at 0.02 opacity) is an ultra-subtle border. Layer 2 (0px 2px 6px at 0.04) provides soft ambient shadow. Layer 3 (0px 4px 8px at 0.1) adds the primary lift. This graduated approach creates shadows that feel like natural light rather than CSS effects.

7. Do's and Don'ts

Do

  • Use #222222 (warm near-black) for text never pure #000000
  • Apply Rausch Red (#ff385c) only for primary CTAs and brand moments it's the singular accent
  • Use Airbnb Cereal VF at weight 500700 the warm weight range is intentional
  • Apply the three-layer card shadow for all elevated surfaces
  • Use generous border-radius: 8px for buttons, 20px for cards, 50% for controls
  • Use photography as the primary visual content listings are image-first
  • Apply negative letter-spacing (-0.18px to -0.44px) on headings for intimacy
  • Use circular (50%) buttons for carousel/navigation controls

Don't

  • Don't use pure black (#000000) for text always #222222 (warm)
  • Don't apply Rausch Red to backgrounds or large surfaces it's an accent only
  • Don't use thin font weights (300, 400) for headings 500 minimum
  • Don't use heavy shadows (>0.1 opacity as primary layer) keep them warm and graduated
  • Don't use sharp corners (04px) on cards the generous rounding (20px+) is core
  • Don't introduce additional brand colors beyond the Rausch/Luxe/Plus system
  • Don't override the palette token system use --palette-* variables consistently

8. Responsive Behavior

Breakpoints

Name Width Key Changes
Mobile Small <375px Single column, compact search
Mobile 375550px Standard mobile listing grid
Tablet Small 550744px 2-column listings
Tablet 744950px Search bar expansion
Desktop Small 9501128px 3-column listings
Desktop 11281440px 4-column grid, full header
Large Desktop 14401920px 5-column grid
Ultra-wide >1920px Maximum grid width

Note: Airbnb has 61 detected breakpoints one of the most granular responsive systems observed, reflecting their obsession with layout at every possible screen size.

Touch Targets

  • Circular nav buttons: adequate 50% radius sizing
  • Listing cards: full-card tap target on mobile
  • Search bar: prominently sized for thumb interaction
  • Category pills: horizontally scrollable with generous padding

Collapsing Strategy

  • Listing grid: 5 4 3 2 1 columns
  • Search: expanded bar compact bar overlay
  • Category pills: horizontal scroll at all sizes
  • Navigation: full header mobile simplified
  • Map: side panel overlay/toggle

Image Behavior

  • Listing photos: carousel with swipe on mobile
  • Responsive image sizing with aspect ratio maintained
  • Heart overlay positioned consistently across sizes
  • Photo quality adjusts based on viewport

9. Agent Prompt Guide

Quick Color Reference

  • Background: Pure White (#ffffff)
  • Text: Near Black (#222222)
  • Brand accent: Rausch Red (#ff385c)
  • Secondary text: #6a6a6a
  • Disabled: rgba(0,0,0,0.24)
  • Card border: rgba(0,0,0,0.02) 0px 0px 0px 1px
  • Card shadow: full three-layer stack
  • Button surface: #f2f2f2

Example Component Prompts

  • "Create a listing card: white background, 20px radius. Three-layer shadow: rgba(0,0,0,0.02) 0px 0px 0px 1px, rgba(0,0,0,0.04) 0px 2px 6px, rgba(0,0,0,0.1) 0px 4px 8px. Photo area on top (16:10 ratio), details below: 16px Airbnb Cereal VF weight 600 title, 14px weight 400 description in #6a6a6a."
  • "Design search bar: white background, full card shadow, 32px radius on container. Search text at 14px Cereal VF weight 400. Red search button (#ff385c, 50% radius, white icon)."
  • "Build category pill bar: horizontal scrollable row. Each pill: 14px Cereal VF weight 600, #222222 text, bottom border on active. Circular prev/next arrows (#f2f2f2 bg, 50% radius)."
  • "Create a CTA button: #222222 background, white text, 8px radius, 16px Cereal VF weight 500, 0px 24px padding. Hover: brand red accent."
  • "Design a heart/wishlist button: transparent background, 50% radius, white heart icon with dark shadow outline."

Iteration Guide

  1. Start with white the photography provides all the color
  2. Rausch Red (#ff385c) is the singular accent use sparingly for CTAs only
  3. Near-black (#222222) for text the warmth matters
  4. Three-layer shadows create natural, warm lift always use all three layers
  5. Generous radius: 8px buttons, 20px cards, 50% controls
  6. Cereal VF at 500700 weight no thin weights for any heading
  7. Photography is hero every listing card is image-first