/* ==========================================================================
   BEYOĞLU TEKNOLOJİ — CORE DESIGN SYSTEM TOKENS (PRO MAX)
   Consistent Tokens across Header, Mega Menu, AI, Cards, and Banners
   ========================================================================== */

:root {
  /* Brand Colors */
  --bt-primary: #d12131;
  --bt-primary-hover: #b01b29;
  --bt-primary-light: #fef2f2;
  --bt-primary-border: #fecaca;
  --bt-dark: #1a1f2e;
  --bt-dark-deep: #0f172a;
  
  /* Text & Surfaces */
  --bt-text: #0f172a;
  --bt-text-secondary: #334155;
  --bt-muted: #64748b;
  --bt-border: #e2e8f0;
  --bt-border-light: #f1f5f9;
  --bt-surface: #ffffff;
  --bt-surface-subtle: #f8fafc;
  --bt-surface-alt: #f1f5f9;
  
  /* Accent & Status */
  --bt-success: #16a34a;
  --bt-success-light: #dcfce7;
  --bt-warning: #ea580c;
  --bt-warning-light: #ffedd5;
  --bt-danger: #dc2626;
  --bt-info: #0284c7;
  --bt-info-light: #e0f2fe;

  /* Spacing */
  --bt-space-xs: 0.25rem;
  --bt-space-sm: 0.5rem;
  --bt-space-md: 1rem;
  --bt-space-lg: 1.5rem;
  --bt-space-xl: 2.5rem;
  --bt-space-2xl: 4rem;

  /* Typography */
  --bt-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --bt-font-heading: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Radii */
  --bt-radius-xs: 4px;
  --bt-radius-sm: 6px;
  --bt-radius-md: 10px;
  --bt-radius-lg: 16px;
  --bt-radius-xl: 24px;
  --bt-radius-full: 9999px;

  /* Shadows */
  --bt-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
  --bt-shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --bt-shadow-lg: 0 12px 28px -4px rgba(0, 0, 0, 0.12), 0 4px 8px -2px rgba(0, 0, 0, 0.04);
  --bt-shadow-dropdown: 0 20px 40px -6px rgba(15, 23, 42, 0.18), 0 0 0 1px rgba(0, 0, 0, 0.05);

  /* Transitions */
  --bt-transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --bt-transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --bt-transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}