/* ============================================================================
   PLEXUSOFT WEBSITE - CSS VARIABLES (Infoblox-Inspired Design)
   Brand colors, typography, spacing, and design tokens
   ============================================================================ */

:root {
  /* Plexusoft Brand Colors - DO NOT CHANGE */
  --color-primary: #1A1D2E;        /* Navy - main brand */
  --color-secondary: #FFFFFF;     /* White */
  --color-navy: #1A1D2E;          /* Alias for primary */
  --color-white: #FFFFFF;          /* Alias for secondary */
  
  /* Accent colors (derived from navy) */
  --color-accent-light: #2A3D5E;   /* Lighter navy for hover states */
  --color-accent-dark: #0F1219;    /* Darker navy for text on light bg */
  --color-navy-dark: #0F1219;
  --color-navy-light: #2A3D5E;
  
  /* Neutral colors */
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;
  
  /* Semantic colors */
  --color-success: #10B981;
  --color-error: #EF4444;
  --color-warning: #F59E0B;
  
  /* Typography (Infoblox-inspired large, bold headings) */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family: var(--font-family-base);
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Infoblox typography scale - larger, bolder */
  --font-size-xs: 0.75rem;      /* 12px */
  --font-size-sm: 0.875rem;     /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-lg: 1.125rem;      /* 18px - Body text (larger like Infoblox) */
  --font-size-xl: 1.25rem;      /* 20px - Subsections */
  --font-size-2xl: 1.5rem;     /* 24px */
  --font-size-3xl: 1.875rem;   /* 30px */
  --font-size-4xl: 2.25rem;     /* 36px */
  --font-size-5xl: 3.5rem;     /* 56px - Hero headlines */
  
  --line-height-tight: 1.1;     /* For large headings */
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;   /* For body text */
  
  /* Spacing (Infoblox generous spacing) */
  --spacing-xs: 0.5rem;        /* 8px */
  --spacing-sm: 1rem;          /* 16px */
  --spacing-md: 1.5rem;        /* 24px */
  --spacing-lg: 2rem;          /* 32px */
  --spacing-xl: 3rem;          /* 48px */
  --spacing-2xl: 4rem;         /* 64px */
  --spacing-3xl: 6rem;         /* 96px */
  
  /* Legacy spacing (for compatibility) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --section-padding: 4rem 0;
  --container-padding: var(--spacing-md);
  
  /* Borders */
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;
  
  /* Shadows (Infoblox subtle 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);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1050;
  --z-tooltip: 1070;
}

/* Responsive Typography */
@media (max-width: 767px) {
  :root {
    --font-size-5xl: 2rem;      /* 32px mobile */
    --font-size-4xl: 1.75rem;   /* 28px mobile */
    --font-size-3xl: 1.5rem;    /* 24px mobile */
    --container-padding: var(--space-4);
  }
}

