/* ==========================================================================
   ZAMIFY — Design Tokens
   Premium global digital agency design system
   ========================================================================== */

:root {
  /* ── Colors ─────────────────────────────────────────────────────────── */
  --color-white: #FFFFFF;
  --color-black: #0A0A0A;

  /* Backgrounds */
  --color-bg: #FFFFFF;
  --color-bg-subtle: #FAFAFA;
  --color-bg-muted: #F5F5F5;
  --color-bg-card: #FFFFFF;
  --color-bg-dark: #0A0A0A;
  --color-bg-dark-subtle: #111111;
  --color-bg-overlay: rgba(10, 10, 10, 0.6);
  --color-bg-glass: rgba(255, 255, 255, 0.7);
  --color-bg-dark-glass: rgba(10, 10, 10, 0.7);

  /* Text */
  --color-text: #0A0A0A;
  --color-text-secondary: #52525B;
  --color-text-tertiary: #A1A1AA;
  --color-text-on-dark: #FAFAFA;
  --color-text-on-dark-secondary: #A1A1AA;

  /* Borders */
  --color-border: #E4E4E7;
  --color-border-subtle: #F4F4F5;
  --color-border-hover: #D4D4D8;
  --color-border-glow: rgba(255, 255, 255, 0.15);

  /* Accent — pure black for premium CTAs */
  --color-accent: #0A0A0A;
  --color-accent-hover: #18181B;
  --color-accent-text: #FFFFFF;

  /* Subtle accent for highlights */
  --color-highlight: #F0F0F0;
  --color-highlight-blue: #EFF6FF;
  --color-highlight-green: #F0FDF4;
  
  /* Premium Tech Glows */
  --color-glow-blue: rgba(59, 130, 246, 0.15);
  --color-glow-purple: rgba(147, 51, 234, 0.15);
  --color-glow-dark: rgba(0, 0, 0, 0.05);

  /* ── Typography ─────────────────────────────────────────────────────── */
  --font-display: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  /* Font Sizes — fluid where sensible */
  --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 */
  --text-8xl: 5rem;        /* 80px */

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

  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;

  /* Letter Spacing */
  --tracking-tighter: -0.03em;
  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.05em;
  --tracking-wider: 0.1em;

  /* ── 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 */

  /* Section spacing */
  --section-py: var(--space-24);
  --section-py-lg: var(--space-32);

  /* Container */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --max-width-wide: 1400px;
  --container-px: var(--space-6);

  /* ── Border Radius ──────────────────────────────────────────────────── */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-pill: 999px;

  /* ── Shadows ────────────────────────────────────────────────────────── */
  --shadow-xs: 0 2px 4px rgba(0, 0, 0, 0.02);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.03), 0 2px 4px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.06), 0 8px 20px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 30px 60px rgba(0, 0, 0, 0.08), 0 10px 30px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.03), inset 0 1px 0 rgba(255, 255, 255, 1);
  --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.06), inset 0 1px 0 rgba(255, 255, 255, 1);

  /* ── Transitions ────────────────────────────────────────────────────── */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-spring: cubic-bezier(0.32, 0.72, 0, 1);
  --duration-fast: 200ms;
  --duration-base: 350ms;
  --duration-slow: 600ms;
  --duration-slower: 800ms;

  /* ── Z-Index Scale ──────────────────────────────────────────────────── */
  --z-base: 1;
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-overlay: 30;
  --z-modal: 40;
  --z-toast: 50;
}

/* ==========================================================================
   Dark Theme Overrides
   ========================================================================== */
[data-theme="dark"] {
  /* Backgrounds */
  --color-bg: #09090B;
  --color-bg-subtle: #18181B;
  --color-bg-muted: #27272A;
  --color-bg-card: #09090B;
  --color-bg-dark: #0A0A0A;
  --color-bg-dark-subtle: #111111;
  --color-bg-overlay: rgba(9, 9, 11, 0.8);
  --color-bg-glass: rgba(9, 9, 11, 0.7);
  --color-bg-dark-glass: rgba(10, 10, 10, 0.7);

  /* Text */
  --color-text: #FAFAFA;
  --color-text-secondary: #A1A1AA;
  --color-text-tertiary: #52525B;
  --color-text-on-dark: #FAFAFA;
  --color-text-on-dark-secondary: #A1A1AA;

  /* Borders */
  --color-border: #27272A;
  --color-border-subtle: #18181B;
  --color-border-hover: #3F3F46;
  --color-border-glow: rgba(255, 255, 255, 0.05);

  /* Accent */
  --color-accent: #FAFAFA;
  --color-accent-hover: #E4E4E7;
  --color-accent-text: #09090B;

  /* Subtle accent for highlights */
  --color-highlight: #18181B;
  --color-highlight-blue: #082F49;
  --color-highlight-green: #064E3B;
  
  /* Shadows (Dark mode shadows are often less visible, use borders instead) */
  --shadow-xs: 0 2px 4px rgba(0, 0, 0, 0.5);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.8);
  --shadow-xl: 0 30px 60px rgba(0, 0, 0, 0.9);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}