/* ============================================
   MONTPC DESIGN SYSTEM - CSS VARIABLES
   Centralized color palette and design tokens
   ============================================ */

:root {
  /* ===== COLOR PALETTE ===== */

  /* Greys - Foundation */
  --grey-50: #FAFAFA;    /* Backgrounds, subtle fills */
  --grey-100: #F5F5F5;   /* Hover backgrounds, cards */
  --grey-200: #E5E5E5;   /* Borders, dividers */
  --grey-300: #D4D4D4;   /* Deprecated - use grey-400 or grey-200 */
  --grey-400: #A3A3A3;   /* Placeholder text, icons */
  --grey-600: #737373;   /* Body text, secondary info */
  --grey-900: #171717;   /* Headings, primary text */

  /* Orange - Brand Accent */
  --orange-50: #FFF7F5;   /* Very light background tint */
  --orange-100: #FFE5DF;  /* Deprecated - use orange-50 */
  --orange-500: #FF6B4A;  /* Primary CTA, accents */
  --orange-600: #E55536;  /* Hover state for orange-500 */

  /* Base */
  --white: #FFFFFF;       /* Pure white backgrounds */

  /* ===== TYPOGRAPHY ===== */

  /* Font Stack */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'Helvetica Neue', Arial, sans-serif;

  /* Font Sizes */
  --font-size-xs: 13px;
  --font-size-sm: 14px;
  --font-size-base: 15px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 32px;
  --font-size-4xl: 42px;
  --font-size-5xl: 48px;

  /* Responsive Font Sizes (using clamp) */
  --font-size-hero: clamp(48px, 8vw, 96px);
  --font-size-section-title: clamp(36px, 5vw, 56px);
  --font-size-section-subtitle: clamp(16px, 2.5vw, 20px);

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

  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;
  --line-height-loose: 1.9;

  /* Letter Spacing */
  --letter-spacing-tight: -0.03em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.08em;
  --letter-spacing-wider: 0.15em;

  /* ===== SPACING SCALE ===== */

  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;
  --space-3xl: 80px;
  --space-4xl: 120px;

  /* ===== BORDER RADIUS ===== */

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --radius-xl: 12px;
  --radius-2xl: 16px;
  --radius-3xl: 20px;
  --radius-full: 50%;

  /* ===== TRANSITIONS ===== */

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.4s ease;
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);

  /* ===== SHADOWS ===== */

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 20px 60px rgba(23, 23, 23, 0.08);
  --shadow-orange: 0 8px 24px rgba(255, 107, 74, 0.35);

  /* ===== LAYOUT ===== */

  --width-content: 1200px;
  --width-header: 1280px;
  --width-text: 700px;

  /* ===== Z-INDEX SCALE ===== */

  --z-base: 1;
  --z-dropdown: 10;
  --z-sticky: 100;
  --z-modal: 1000;
  --z-tooltip: 2000;
}