/* ==========================================================================
   Design System Variables
   Alex Hicks Portfolio
   ========================================================================== */

:root {
  /* ===== Colors ===== */

  /* Primary - Electric Violet */
  --color-primary: #7C3AED;
  --color-primary-light: #A78BFA;
  --color-primary-dark: #5B21B6;
  --color-primary-subtle: #EDE9FE;

  /* Secondary - Coral Pink */
  --color-secondary: #F472B6;
  --color-secondary-light: #F9A8D4;
  --color-secondary-dark: #BE185D;  /* Darkened from #DB2777 for WCAG AA (5.24:1 on subtle bg) */

  /* Accent - Teal */
  --color-accent: #14B8A6;
  --color-accent-light: #5EEAD4;
  --color-accent-dark: #047857;  /* Darkened from #0D9488 for WCAG AA (5.56:1) */

  /* Success - Mint */
  --color-success: #34D399;

  /* Neutrals */
  --color-dark: #1E1B4B;
  --color-light: #FAFAF9;
  --color-white: #FFFFFF;

  /* Text */
  --color-text-primary: #334155;
  --color-text-secondary: #64748B;
  --color-text-muted: #5C6B7D;  /* Darkened from #94A3B8 for WCAG AA (5.38:1) */
  --color-text-inverse: #FFFFFF;

  /* Backgrounds */
  --color-bg-primary: #FAFAF9;
  --color-bg-secondary: #F1F5F9;
  --color-bg-card: #FFFFFF;
  --color-bg-dark: #1E1B4B;

  /* Borders */
  --color-border: #E2E8F0;
  --color-border-light: #F1F5F9;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #7C3AED 0%, #F472B6 100%);
  --gradient-hero: linear-gradient(135deg, #EDE9FE 0%, #FCE7F3 50%, #F0FDFA 100%);
  --gradient-dark: linear-gradient(135deg, #1E1B4B 0%, #312E81 100%);
  --gradient-card-hover: linear-gradient(180deg, rgba(124, 58, 237, 0.05) 0%, rgba(244, 114, 182, 0.05) 100%);

  /* ===== Typography ===== */

  /* Font Families */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Font Sizes */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 3.75rem;     /* 60px */
  --text-7xl: 4.5rem;      /* 72px */

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

  /* Line Heights */
  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

  /* Letter Spacing */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;

  /* ===== Spacing ===== */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */

  /* ===== Layout ===== */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1200px;
  --container-2xl: 1400px;

  /* ===== Borders ===== */
  --radius-sm: 0.375rem;   /* 6px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 0.75rem;    /* 12px */
  --radius-xl: 1rem;       /* 16px */
  --radius-2xl: 1.5rem;    /* 24px */
  --radius-full: 9999px;

  /* ===== Shadows ===== */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-card: 0 4px 20px rgba(124, 58, 237, 0.08);
  --shadow-card-hover: 0 12px 40px rgba(124, 58, 237, 0.15);

  /* ===== Transitions ===== */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

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

/* Dark mode variables (optional future enhancement) */
@media (prefers-color-scheme: dark) {
  :root {
    /* Can be enabled for dark mode support */
  }
}