/**
 * Design Tokens - Arthur Richards Professional Website
 * Custom dark mode design system
 */

:root {
  /* Color Palette - Warm Dark Mode */
  --color-bg-primary: #1a1a1f;
  --color-bg-secondary: #252530;
  --color-bg-tertiary: #2f2f3a;
  --color-bg-elevated: #3a3a45;

  --color-text-primary: #f0ede6;
  --color-text-secondary: #c4bfb3;
  --color-text-muted: #8a8680;

  --color-accent-primary: #e89a6f;      /* Copper/terracotta for CTAs */
  --color-accent-primary-hover: #f0b085;
  --color-accent-secondary: #7c9ea8;    /* Soft sage blue for data */
  --color-accent-secondary-hover: #92b4be;

  --color-border: #3a3a45;
  --color-border-hover: #4a4a55;

  /* Typography */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Courier New', Courier, monospace;

  /* Font Sizes - Fluid Typography using clamp() */
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --font-size-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --font-size-lg: clamp(1.125rem, 1.05rem + 0.375vw, 1.375rem);
  --font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.75rem);
  --font-size-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2.25rem);
  --font-size-3xl: clamp(2rem, 1.5rem + 2.5vw, 3.5rem);
  --font-size-4xl: clamp(2.5rem, 1.75rem + 3.75vw, 4.5rem);

  /* 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-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Spacing Scale */
  --space-xs: 0.25rem;    /* 4px */
  --space-sm: 0.5rem;     /* 8px */
  --space-md: 1rem;       /* 16px */
  --space-lg: 1.5rem;     /* 24px */
  --space-xl: 2rem;       /* 32px */
  --space-2xl: 3rem;      /* 48px */
  --space-3xl: 4rem;      /* 64px */
  --space-4xl: 6rem;      /* 96px */
  --space-5xl: 8rem;      /* 128px */

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.4);

  /* Layout */
  --container-max-width: 1200px;
  --container-padding: var(--space-lg);
  --section-spacing: var(--space-4xl);

  /* Z-index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Import Inter font from Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');