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Styling Approach

Horse Trust uses Tailwind CSS 4 as the primary styling solution, combined with a custom equestrian-themed design system. All styles are utility-first with custom CSS variables for brand consistency.

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Tailwind CSS Configuration

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Installation

package.json
{
  "devDependencies": {
    "@tailwindcss/postcss": "^4",
    "tailwindcss": "^4"
  }
}

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Global Styles

Location: app/globals.css
app/globals.css
@import url('https://fonts.googleapis.com/css2?family=Public+Sans:wght@300;400;500;600;700;800;900&family=Playfair+Display:ital,wght@0,400..900;1,400..900&display=swap');
@import "tailwindcss";

@theme {
  --color-equestrian-green: #14532d; /* Verde bosque oscuro */
  --color-equestrian-navy: #0f172a;  /* Azul marino profundo */
  --color-equestrian-gold: #C5A059;  /* Dorado lujo */
  --color-equestrian-sand: #fdfbf7;  /* Blanco arena */
  
  --color-background-light: #fdfbf7;
  --color-background-dark: #0f172a;

  /* Tipografías */
  --font-display: "Public Sans", sans-serif;
  --font-serif: "Playfair Display", serif;
}

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Custom Color Palette

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Brand Colors

The Horse Trust design system uses an equestrian-inspired color palette:
Color NameCSS VariableHex ValueUsage
Equestrian Green--color-equestrian-green#14532dPrimary actions, success states
Equestrian Navy--color-equestrian-navy#0f172aHeaders, dark backgrounds
Equestrian Gold--color-equestrian-gold#C5A059Accents, luxury details, CTAs
Equestrian Sand--color-equestrian-sand#fdfbf7Light backgrounds, cards

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Using Custom Colors

Tailwind automatically generates utility classes from CSS variables: 
// Background colors
<div className="bg-equestrian-navy" />
<div className="bg-equestrian-gold" />
<div className="bg-equestrian-sand" />

// Text colors
<h1 className="text-equestrian-navy" />
<span className="text-equestrian-gold" />

// Border colors
<div className="border border-equestrian-navy" />

// Hover states
<button className="hover:bg-equestrian-gold" />
<a className="hover:text-equestrian-gold" />

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Typography System

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Font Families

Two Google Fonts are loaded for typography hierarchy: 1. Public Sans (Sans-serif) - Body text and UI elements 2. Playfair Display (Serif) - Headings and luxury accents

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Font Configuration

@theme {
  --font-display: "Public Sans", sans-serif;
  --font-serif: "Playfair Display", serif;
}

body {
  font-family: var(--font-display);
}

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Typography Classes

// Display font (Public Sans)
<div className="font-display" />

// Serif font (Playfair Display) 
<h1 className="font-serif" />

// Font weights
<p className="font-light" />    // 300
<p className="font-normal" />   // 400
<p className="font-medium" />   // 500
<p className="font-semibold" /> // 600
<p className="font-bold" />     // 700
<p className="font-black" />    // 900

// Text sizes
<p className="text-xs" />   // 0.75rem
<p className="text-sm" />   // 0.875rem
<p className="text-base" /> // 1rem
<p className="text-lg" />   // 1.125rem
<p className="text-xl" />   // 1.25rem
<p className="text-2xl" />  // 1.5rem
<p className="text-4xl" />  // 2.25rem
<p className="text-7xl" />  // 4.5rem

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Typography Examples

Heading Example
<h1 className="text-5xl md:text-7xl font-serif italic text-white">
  Confianza <span className="text-equestrian-gold not-italic font-bold">Inquebrantable</span>
</h1>
Body Text Example
<p className="text-slate-400 text-lg leading-relaxed max-w-lg">
  Hemos redefinido el comercio de caballos de alto valor.
</p>
Small Caps Label
<label className="text-xs font-black uppercase tracking-widest text-slate-500">
  Correo Electrónico
</label>

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Theme Configuration

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Root CSS Variables

:root {
  --background: var(--color-equestrian-sand);
  --foreground: var(--color-equestrian-navy);
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: var(--color-equestrian-navy);
    --foreground: #f8f9fa;
  }
}

body {
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-display);
}

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Dark Mode Support

Tailwind’s dark mode is configured for automatic theme switching: 
// Responsive dark mode classes
<div className="bg-white dark:bg-equestrian-navy" />
<p className="text-slate-900 dark:text-slate-100" />
<header className="bg-white/95 dark:bg-equestrian-navy/95" />

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Custom CSS Classes

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Hero Gradient

.hero-gradient {
  background: linear-gradient(
    rgba(15, 23, 42, 0.7) 0%, 
    rgba(15, 23, 42, 0.9) 100%
  );
}
Usage: 
<div className="absolute inset-0 hero-gradient" />

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Luxury Card Hover

.luxury-card-hover {
  @apply transition-all duration-500 ease-out;
}

.luxury-card-hover:hover {
  @apply -translate-y-2 shadow-[0_20px_50px_rgba(0,0,0,0.1)];
}
Usage: 
<div className="luxury-card-hover group bg-white rounded-lg">
  {/* Card content */}
</div>

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Scrollbar Styling

Custom scrollbar for both light and dark themes:
app/globals.css
@layer base {
  html {
    scroll-behavior: smooth;
  }

  /* Chrome, Safari, Edge */
  ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }

  ::-webkit-scrollbar-track {
    background: #f1f5f9;
  }

  .dark ::-webkit-scrollbar-track {
    background: var(--color-equestrian-navy);
  }

  ::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 20px;
    border: 2px solid #f1f5f9;
  }

  .dark ::-webkit-scrollbar-thumb {
    background: var(--color-equestrian-gold);
    border: 2px solid var(--color-background-dark);
  }

  ::-webkit-scrollbar-thumb:hover {
    background: var(--color-equestrian-gold);
  }
}

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Component Styling Patterns

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Button Styles

// Primary button
<button className="bg-equestrian-navy text-white px-8 py-4 rounded-xl font-bold text-sm uppercase tracking-widest hover:bg-slate-800 transition-all">
  Publicar
</button>

// Gold accent button
<button className="bg-equestrian-gold text-equestrian-navy px-10 py-5 rounded-lg font-bold hover:brightness-110 transition-all shadow-xl">
  Acceder al Mercado
</button>

// Outline button
<button className="border border-white/30 text-white px-10 py-5 rounded-lg font-bold hover:bg-white/10 transition-all">
  Registrarme
</button>

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Card Styles

// Standard card
<div className="bg-white rounded-xl overflow-hidden shadow-sm hover:shadow-md transition-shadow border border-slate-100">
  {/* Content */}
</div>

// Luxury card with hover effect
<div className="luxury-card-hover group bg-white border border-slate-100 rounded-lg overflow-hidden shadow-sm">
  {/* Content */}
</div>

// Dark card with backdrop blur
<div className="bg-white/10 backdrop-blur-md p-6 rounded-2xl border border-white/20">
  {/* Content */}
</div>

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Input Styles

// Text input with icon
<div className="relative group">
  <div className="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none text-slate-400">
    <Mail className="w-5 h-5" />
  </div>
  <input 
    type="email"
    className="block w-full pl-10 pr-3 py-3 border border-slate-200 rounded-lg bg-slate-50 focus:outline-none focus:ring-2 focus:ring-equestrian-navy/20 focus:border-equestrian-navy transition-all"
    placeholder="[email protected]"
  />
</div>

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Badge Styles

// Verified badge
<div className="flex items-center gap-2 bg-white/90 backdrop-blur-md py-1.5 px-3 rounded-full border border-white/20 shadow-lg">
  <BadgeCheck className="text-equestrian-green w-4 h-4" />
  <span className="text-[10px] font-bold text-equestrian-navy uppercase tracking-wider">
    Verificado
  </span>
</div>

// Category badge
<span className="text-[11px] font-bold bg-slate-100 text-slate-600 px-2 py-1 rounded-full">
  Pura Sangre
</span>

// Status badge
<span className="inline-block py-1 px-4 rounded-full bg-equestrian-gold/20 text-equestrian-gold text-[10px] font-bold uppercase tracking-[0.2em] border border-equestrian-gold/30">
  Red Ecuestre Exclusiva
</span>

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Responsive Design

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Breakpoints

Tailwind’s default breakpoints:
BreakpointMin WidthPrefix
Small640pxsm:
Medium768pxmd:
Large1024pxlg:
X-Large1280pxxl:
2X-Large1536px2xl:

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Responsive Examples

// Responsive text size
<h1 className="text-4xl md:text-6xl lg:text-7xl">
  Heading
</h1>

// Responsive grid
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-8">
  {/* Items */}
</div>

// Responsive padding
<div className="px-4 sm:px-6 lg:px-8">
  {/* Content */}
</div>

// Responsive visibility
<div className="hidden lg:block">
  {/* Desktop only */}
</div>
<div className="block lg:hidden">
  {/* Mobile only */}
</div>

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Layout Utilities

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Container

<div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
  {/* Centered content with responsive padding */}
</div>

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Flexbox

<div className="flex items-center justify-between gap-6">
  {/* Flex items */}
</div>

<div className="flex flex-col md:flex-row gap-4">
  {/* Responsive flex direction */}
</div>

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Grid

<div className="grid grid-cols-2 md:grid-cols-4 lg:grid-cols-6 gap-12">
  {/* Responsive grid */}
</div>

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Animation & Transitions

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Transition Classes

// Standard transition
<div className="transition-all duration-300 ease-out" />

// Hover transform
<div className="hover:-translate-y-2 transition-transform" />

// Group hover effects
<div className="group">
  <img className="group-hover:scale-110 transition-transform duration-1000" />
  <h4 className="group-hover:text-equestrian-gold transition-colors" />
</div>

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Backdrop Effects

// Backdrop blur
<div className="backdrop-blur-md bg-white/10" />

// Backdrop with border
<div className="backdrop-blur-sm bg-white/90 border border-white/20" />

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Best Practices

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1. Use Semantic Color Names

// Good
<button className="bg-equestrian-gold text-equestrian-navy" />

// Avoid
<button className="bg-[#C5A059] text-[#0f172a]" />

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2. Leverage Tailwind’s Utility Classes

// Good
<div className="flex items-center gap-4 p-6 rounded-xl" />

// Avoid inline styles
<div style={{ display: 'flex', padding: '1.5rem' }} />

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3. Use Responsive Prefixes

// Mobile-first responsive design
<div className="text-sm md:text-base lg:text-lg" />

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4. Group Hover Effects

<div className="group">
  <img className="group-hover:scale-110" />
  <p className="group-hover:text-gold" />
</div>

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5. Consistent Spacing

Use Tailwind’s spacing scale (4px increments): 
<div className="p-4 mb-6 space-y-8" />

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Design Tokens Reference

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Spacing Scale

  • p-2 → 8px
  • p-4 → 16px
  • p-6 → 24px
  • p-8 → 32px
  • p-12 → 48px

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Border Radius

  • rounded → 4px
  • rounded-lg → 8px
  • rounded-xl → 12px
  • rounded-2xl → 16px
  • rounded-full → 9999px

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Shadow Scale

  • shadow-sm → Subtle shadow
  • shadow → Standard shadow
  • shadow-md → Medium shadow
  • shadow-lg → Large shadow
  • shadow-xl → Extra large shadow
  • shadow-2xl → Dramatic shadow

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