/* ==========================================================================
   Atman NextGen LLP - Design System Variables
   Premium Enterprise Design (Vercel/Stripe/OpenAI inspired)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;700&display=swap');

:root {
  /* Primary Colors (Dark/Light Modes will toggle these by scoping) */
  --color-primary: #0070F3;        /* Vercel-like blue */
  --color-primary-hover: #0056b3;
  --color-secondary: #6B21A8;      /* Deep Purple */
  --color-accent: #00F2FE;         /* Cyan/Electric Blue highlight */
  
  /* Neutral Palette - Light Mode */
  --color-bg-default: #ffffff;
  --color-bg-alt: #fafafa;
  --color-bg-card: #ffffff;
  
  --color-text-primary: #111827;   /* Slate 900 */
  --color-text-secondary: #4b5563; /* Slate 600 */
  --color-text-muted: #9ca3af;     /* Slate 400 */
  
  --color-border: #eaeaea;
  --color-border-hover: #d1d5db;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  --gradient-glow: linear-gradient(135deg, rgba(0,112,243,0.4), rgba(107,33,168,0.4));
  --gradient-text: linear-gradient(to right, #111827, #4b5563);
  --gradient-accent: linear-gradient(135deg, #4FACFE 0%, #00F2FE 100%);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-blur: blur(12px);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-heading: 'Plus Jakarta Sans', var(--font-primary);
  --font-mono: 'Space Grotesk', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  --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 */

  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-24: 6rem;
  --spacing-32: 8rem;

  /* Shadows (Enterprise Grade) */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 20px rgba(0, 112, 243, 0.4);

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Layout */
  --container-width: 1280px;
  --header-height: 80px;
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --color-bg-default: #0a0a0a;     /* Very dark, almost black */
  --color-bg-alt: #111111;         /* Slightly lighter */
  --color-bg-card: #171717;
  
  --color-text-primary: #ffffff;
  --color-text-secondary: #a1a1aa;
  --color-text-muted: #71717a;
  
  --color-border: #333333;
  --color-border-hover: #444444;
  
  --gradient-text: linear-gradient(to right, #ffffff, #a1a1aa);
  
  --glass-bg: rgba(10, 10, 10, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
}