/* =============================================================================
   DESIGN TOKENS
   Bella Belgarokova · bellabe.github.io

   Generated from: /artifacts/design-system/tokens/
   Base: 4px · Scale: 1.25
   ============================================================================= */

:root {
  /* ---------------------------------------------------------------------------
     COLORS - Dark Theme (Default) - Neutral/Cyan
     --------------------------------------------------------------------------- */

  /* Background - neutral */
  --color-bg-primary: #0a0a0b;
  --color-bg-secondary: #111113;
  --color-bg-tertiary: #18181b;
  --color-bg-elevated: #1f1f23;

  /* Text - cool whites */
  --color-text-primary: #f4f4f5;
  --color-text-secondary: #a1a1aa;
  --color-text-tertiary: #71717a;

  /* Accent - Electric Cyan */
  --color-accent-primary: #22d3ee;
  --color-accent-secondary: #06b6d4;
  --color-accent-glow: rgba(34, 211, 238, 0.15);

  /* Accent - Amber (warm) */
  --color-accent-warm: #f59e0b;
  --color-accent-warm-glow: rgba(245, 158, 11, 0.1);

  /* Border - white opacity */
  --color-border-subtle: rgba(255, 255, 255, 0.06);
  --color-border-medium: rgba(255, 255, 255, 0.1);
  --color-border-accent: rgba(34, 211, 238, 0.3);

  /* Semantic */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;

  /* ---------------------------------------------------------------------------
     TYPOGRAPHY
     Font: Fira Code everywhere · Scale: Major Third (1.25)
     --------------------------------------------------------------------------- */

  /* Font Families */
  --font-display: 'Fira Code', 'Fira Code Fallback', 'SF Mono', Monaco, Consolas, monospace;
  --font-body: 'Fira Code', 'Fira Code Fallback', 'SF Mono', Monaco, Consolas, monospace;
  --font-mono: 'Fira Code', 'Fira Code Fallback', 'SF Mono', Monaco, Consolas, monospace;


  /* Font Sizes */
  --font-size-xs: 0.75rem;      /* 12px */
  --font-size-sm: 0.875rem;     /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-md: 1.0625rem;    /* 17px */
  --font-size-lg: 1.125rem;     /* 18px */
  --font-size-xl: 1.25rem;      /* 20px */
  --font-size-2xl: 1.5rem;      /* 24px */
  --font-size-3xl: 1.875rem;    /* 30px */
  --font-size-4xl: 2.25rem;     /* 36px */
  --font-size-5xl: 3rem;        /* 48px */
  --font-size-6xl: 3.75rem;     /* 60px */

  /* Line Heights */
  --line-height-none: 1;
  --line-height-tight: 1.2;
  --line-height-snug: 1.4;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.75;
  --line-height-loose: 1.9;

  /* Letter Spacing */
  --letter-spacing-tighter: -0.03em;
  --letter-spacing-tight: -0.02em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.02em;
  --letter-spacing-wider: 0.05em;
  --letter-spacing-widest: 0.15em;

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

  /* ---------------------------------------------------------------------------
     SPACING
     Base unit: 4px
     --------------------------------------------------------------------------- */

  --space-0: 0;
  --space-px: 1px;
  --space-0-5: 2px;
  --space-1: 0.25rem;     /* 4px */
  --space-1-5: 0.375rem;  /* 6px */
  --space-2: 0.5rem;      /* 8px */
  --space-2-5: 0.625rem;  /* 10px */
  --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 */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1200px;
  --container-prose: 720px;  /* Optimal 45-75 chars at 16px */
  --container-minimal: 640px; /* Focused pages (LeanOS, Services) */

  /* ---------------------------------------------------------------------------
     COMPOSITION - Breathing Room & Proximity
     Base: 4px · Inter-group ratio: 2-3x intra-group
     --------------------------------------------------------------------------- */

  /* Breathing Room Hierarchy */
  --breathing-micro: var(--space-2);     /* 8px - within components */
  --breathing-meso: var(--space-6);      /* 24px - between related elements */
  --breathing-macro: var(--space-16);    /* 64px - between sections */
  --breathing-section: var(--space-24);  /* 96px - major section breaks */

  /* Proximity Ratios (for grouping) */
  --proximity-intra: var(--space-2);     /* 8px - within a group */
  --proximity-inter: var(--space-6);     /* 24px - between groups (3x) */

  /* Typography Composition */
  --heading-ratio: 3;                    /* Hero h1 = 3x body */
  --subheading-ratio: 1.5;              /* Subhead = 1.5x body */
  --max-prose-width: 65ch;              /* Optimal line length */

  /* Visual Hierarchy - Size Contrast */
  --size-primary: 1;                     /* Primary elements */
  --size-secondary: 0.4;                /* Secondary = ~40% of primary */
  --size-tertiary: 0.25;                /* Tertiary = ~25% of primary */

  /* Content Density (60-30-10 rule) */
  --density-dominant: 60%;              /* Background, primary content */
  --density-secondary: 30%;             /* Supporting content */
  --density-accent: 10%;                /* CTAs, highlights */

  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Z-Index */
  --z-base: 0;
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-fixed: 30;
  --z-overlay: 40;
  --z-modal: 50;
  --z-toast: 60;

  /* ---------------------------------------------------------------------------
     EFFECTS
     --------------------------------------------------------------------------- */

  /* Shadows - Dark theme */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);

  /* Vibrant Glows - stronger for electric energy */
  --shadow-glow: 0 0 40px rgba(34, 211, 238, 0.25);
  --shadow-glow-subtle: 0 0 30px rgba(34, 211, 238, 0.15);
  --shadow-glow-warm: 0 0 40px rgba(245, 158, 11, 0.15);
  --shadow-glow-warm-subtle: 0 0 30px rgba(245, 158, 11, 0.08);
  --shadow-hover-cyan: 0 0 30px rgba(34, 211, 238, 0.3);
  --shadow-hover-warm: 0 0 24px rgba(245, 158, 11, 0.2);

  /* Vibrant Gradient Orbs - hero ambient lighting */
  --gradient-orb-hero:
    radial-gradient(ellipse at 80% 20%, rgba(34, 211, 238, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
  --gradient-orb-pricing:
    radial-gradient(ellipse at 30% 30%, rgba(245, 158, 11, 0.06) 0%, transparent 40%),
    radial-gradient(ellipse at 70% 70%, rgba(34, 211, 238, 0.04) 0%, transparent 40%);

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, var(--color-bg-primary) 0%, #0d1117 50%, var(--color-bg-primary) 100%);
  --gradient-card: linear-gradient(145deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
  --gradient-fade: linear-gradient(90deg, var(--color-border-medium), transparent);

  /* ---------------------------------------------------------------------------
     MOTION
     Base: 50ms (technical/fast)
     --------------------------------------------------------------------------- */

  --duration-instant: 0ms;
  --duration-50: 50ms;
  --duration-fast: 100ms;
  --duration-normal: 150ms;
  --duration-slow: 200ms;
  --duration-slower: 300ms;
  --duration-slowest: 500ms;

  /* Easing */
  --ease-linear: linear;
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* -----------------------------------------------------------------------------
   LIGHT THEME
   ----------------------------------------------------------------------------- */

body.light {
  /* Background */
  --color-bg-primary: #fafafa;
  --color-bg-secondary: #ffffff;
  --color-bg-tertiary: #f4f4f5;
  --color-bg-elevated: #ffffff;

  /* Text */
  --color-text-primary: #18181b;
  --color-text-secondary: #52525b;
  --color-text-tertiary: #71717a;

  /* Accent - darker for light bg */
  --color-accent-primary: #0891b2;
  --color-accent-secondary: #06b6d4;
  --color-accent-glow: rgba(8, 145, 178, 0.1);
  --color-accent-warm: #d97706;
  --color-accent-warm-glow: rgba(217, 119, 6, 0.08);

  /* Border */
  --color-border-subtle: rgba(0, 0, 0, 0.04);
  --color-border-medium: rgba(0, 0, 0, 0.08);
  --color-border-accent: rgba(8, 145, 178, 0.2);

  /* Shadows - lighter */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);

  /* Vibrant Glows - lighter theme */
  --shadow-glow: 0 0 40px rgba(8, 145, 178, 0.12);
  --shadow-glow-subtle: 0 0 30px rgba(8, 145, 178, 0.08);
  --shadow-glow-warm: 0 0 40px rgba(217, 119, 6, 0.10);
  --shadow-glow-warm-subtle: 0 0 30px rgba(217, 119, 6, 0.06);
  --shadow-hover-cyan: 0 0 30px rgba(8, 145, 178, 0.15);
  --shadow-hover-warm: 0 0 24px rgba(217, 119, 6, 0.12);

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #fafafa 0%, #f0f9ff 50%, #fafafa 100%);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #f4f4f5 100%);
}

/* -----------------------------------------------------------------------------
   ACCESSIBILITY
   ----------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-contrast: more) {
  :root {
    --color-border-subtle: rgba(255, 255, 255, 0.2);
    --color-border-medium: rgba(255, 255, 255, 0.3);
    --color-text-secondary: #d4d4d8;
    --color-text-tertiary: #a1a1aa;
  }

  body.light {
    --color-border-subtle: rgba(0, 0, 0, 0.15);
    --color-border-medium: rgba(0, 0, 0, 0.25);
    --color-text-secondary: #3f3f46;
    --color-text-tertiary: #52525b;
  }
}