:root {
  /* ============================================
     GOALZONE - CSS Variables
     World Cup Football Store Design System
     ============================================ */

  /* Primary Colors */
  --color-primary: #0a1628;
  --color-primary-light: #142238;
  --color-primary-dark: #060e1a;
  --color-secondary: #1a1a2e;
  --color-accent: #c9a84c;
  --color-accent-light: #e0c06e;
  --color-accent-dark: #a88a3a;

  /* Background Colors */
  --color-bg: #0a0e17;
  --color-bg-light: #111827;
  --color-bg-card: #161b2e;
  --color-bg-overlay: rgba(10, 14, 23, 0.85);

  /* Text Colors */
  --color-text: #ffffff;
  --color-text-muted: #94a3b8;
  --color-text-dark: #1e293b;
  --color-text-inverse: #0a0e17;

  /* Status Colors */
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;
  --color-sale: #dc2626;
  --color-sale-bg: #991b1b;

  /* Border & Divider */
  --color-border: rgba(148, 163, 184, 0.15);
  --color-border-light: rgba(148, 163, 184, 0.08);
  --color-divider: rgba(201, 168, 76, 0.2);

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #0a1628 0%, #1a1a3e 50%, #0a1628 100%);
  --gradient-card: linear-gradient(180deg, rgba(22, 27, 46, 0.9) 0%, rgba(10, 14, 23, 0.95) 100%);
  --gradient-gold: linear-gradient(135deg, #c9a84c 0%, #e0c06e 50%, #a88a3a 100%);
  --gradient-dark: linear-gradient(180deg, #0a0e17 0%, #111827 100%);

  /* Font Family */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Oswald', 'Inter', sans-serif;
  --font-mono: 'Fira Code', monospace;

  /* Font Sizes */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 4rem;

  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-black: 800;

  /* Line Heights */
  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Letter Spacing */
  --letter-spacing-tight: -0.02em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.05em;
  --letter-spacing-wider: 0.1em;
  --letter-spacing-widest: 0.15em;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 5rem;
  --space-5xl: 6rem;

  /* Container */
  --container-max: 100%;
  --container-padding: 1.5rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
  --shadow-gold: 0 4px 20px rgba(201, 168, 76, 0.3);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
  --transition-bounce: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;

  /* Header Heights */
  --header-top-height: 36px;
  --header-nav-height: 64px;
  --header-total-height: 100px;
}

/* ============================================
   Media Query Variables Overrides
   ============================================ */

@media (max-width: 768px) {
  :root {
    --font-size-4xl: 2rem;
    --font-size-5xl: 2.5rem;
    --font-size-6xl: 3rem;
    --container-padding: 1rem;
    --header-nav-height: 56px;
    --header-total-height: 92px;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-3xl: 1.5rem;
    --font-size-4xl: 1.75rem;
    --font-size-5xl: 2rem;
    --font-size-6xl: 2.5rem;
    --space-2xl: 2rem;
    --space-3xl: 2.5rem;
    --space-4xl: 3rem;
    --space-5xl: 4rem;
  }
}