:root {
  /* Brand Colors */
  --color-brand-primary: #1a73e8;
  --color-brand-primary-rgb: 26, 115, 232;
  --color-brand-primary-hover: #1557b0;
  --color-brand-primary-focus: #1a73e8;
  
  /* Neutral Colors */
  --color-text-primary: #202124;
  --color-text-secondary: #5f6368;
  --color-text-tertiary: #80868b;
  --color-border: #dadce0;
  --color-border-light: #e8eaed;
  --color-background: #ffffff;
  --color-background-section: #f8f9fa;
  --color-background-hero: linear-gradient(to bottom, #f8f9fa 0%, #ffffff 100%);

  /* Surface + Text Aliases */
  --surface-900: var(--color-background-section);
  --surface-950: var(--color-background);
  --text-primary: var(--color-text-primary);
  --text-secondary: var(--color-text-secondary);
  --bg-elevated: var(--color-background-section);
  --border-color: var(--color-border-light);
  --color-primary: var(--color-brand-primary);
  --color-primary-soft: rgba(26, 115, 232, 0.10);
  --color-border-subtle: var(--border-color);
  --menu-item-color: #111827;
  
  /* Accent Colors (Google-like, for icons/badges only) */
  --color-accent-blue: #4285f4;
  --color-accent-red: #ea4335;
  --color-accent-yellow: #fbbc04;
  --color-accent-green: #34a853;
  
  /* Badge Colors */
  --color-badge-available: #34a853;
  --color-badge-taken: #ea4335;
  --color-badge-bg-available: #e8f5e9;
  --color-badge-bg-taken: #fce8e6;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 5rem;
  --spacing-4xl: 6rem;
  
  /* Section Spacing */
  --section-padding-desktop: 4.5rem;
  --section-padding-mobile: 3rem;
  
  /* Typography Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3rem;
  
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  --font-size-base: 17px;
  --font-size-sm: 15px;
  --font-size-lg: 19px;
  --font-size-xl: 26px;
  --font-size-2xl: 36px;
  --font-size-3xl: 56px;
  --line-height-base: 1.6;
  --line-height-tight: 1.2;
  --line-height-relaxed: 1.75;
  
  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Letter Spacing */
  --letter-spacing-tight: -0.02em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.02em;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(60, 64, 67, 0.08);
  --shadow-md: 0 2px 4px 0 rgba(60, 64, 67, 0.1);
  --shadow-lg: 0 4px 8px 0 rgba(60, 64, 67, 0.12);
  --shadow-none: none;
  
  /* Transitions */
  --transition-base: 0.2s ease-in-out;
  --transition-slow: 0.3s ease-in-out;
  
  /* Focus Outline */
  --focus-outline: 2px solid var(--color-brand-primary);
  --focus-outline-offset: 2px;
}