/**
 * ============================================
 * SUPERPORT DESIGN SYSTEM - DESIGN TOKENS
 * ============================================
 * 
 * This file contains all design tokens (CSS custom properties)
 * used throughout the SuperPort website.
 * 
 * Version: 1.0.0
 * Last Updated: 2025-12-26
 */

:root {
  /* ============================================
     COLOR SYSTEM
     ============================================ */
  
  /* Primary Colors */
  --sp-color-primary: #121B3D;
  --sp-color-primary-alt: #131B3D;
  --sp-color-primary-light: rgba(18, 27, 61, 0.1);
  --sp-color-primary-dark: #0E1D3D;
  
  /* Secondary Colors */
  --sp-color-secondary: #244EA2;
  --sp-color-secondary-light: rgba(36, 78, 162, 0.1);
  --sp-color-secondary-dark: #1A3A7A;
  
  /* Accent Colors */
  --sp-color-accent-orange: #F39A22;
  --sp-color-accent-yellow: #FFDC40;
  --sp-color-accent-gradient: linear-gradient(to right, #F39A22, #FFDC40);
  
  /* Neutral Colors */
  --sp-color-neutral-900: #121B3D;
  --sp-color-neutral-800: #131B3D;
  --sp-color-neutral-700: #51568E;
  --sp-color-neutral-600: #898D9E;
  --sp-color-neutral-500: #A0A3BD;
  --sp-color-neutral-400: #D0D5DD;
  --sp-color-neutral-300: #D5D5D5;
  --sp-color-neutral-200: #E6E6E6;
  --sp-color-neutral-100: #F5F5F5;
  --sp-color-neutral-50: #F7F8FF;
  --sp-color-white: #FFFFFF;
  --sp-color-black: #000000;
  
  /* Semantic Colors */
  --sp-color-text-primary: #121B3D;
  --sp-color-text-secondary: #51568E;
  --sp-color-text-tertiary: #898D9E;
  --sp-color-text-inverse: #FFFFFF;
  
  --sp-color-bg-primary: #FFFFFF;
  --sp-color-bg-secondary: #F7F8FF;
  --sp-color-bg-tertiary: #F5F5F5;
  --sp-color-bg-dark: #121B3D;
  
  --sp-color-border-light: #E6E6E6;
  --sp-color-border-medium: #D0D5DD;
  --sp-color-border-dark: #D5D5D5;
  
  /* Link Colors */
  --sp-color-link: #131B3D;
  --sp-color-link-hover: var(--sp-color-secondary);
  
  /* Status Colors */
  --sp-color-success: #10B981;
  --sp-color-warning: #F59E0B;
  --sp-color-error: #EF4444;
  --sp-color-info: var(--sp-color-secondary);
  
  /* ============================================
     TYPOGRAPHY SYSTEM
     ============================================ */
  
  /* Font Families */
  --sp-font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --sp-font-family-heading: var(--sp-font-family-base);
  --sp-font-family-icon: "tabler-icons";
  
  /* Font Sizes - Scale (1.25 ratio) */
  --sp-font-size-xs: 0.75rem;      /* 12px */
  --sp-font-size-sm: 0.875rem;     /* 14px */
  --sp-font-size-base: 1rem;      /* 16px */
  --sp-font-size-md: 1.125rem;     /* 18px */
  --sp-font-size-lg: 1.25rem;      /* 20px */
  --sp-font-size-xl: 1.375rem;     /* 22px */
  --sp-font-size-2xl: 1.5rem;      /* 24px */
  --sp-font-size-3xl: 2.25rem;     /* 36px */
  --sp-font-size-4xl: 3rem;        /* 48px */
  --sp-font-size-5xl: 3.75rem;     /* 60px */
  --sp-font-size-6xl: 4.5rem;      /* 72px */
  --sp-font-size-hero: 5.5rem;     /* 88px - Hero titles */
  
  /* Font Weights */
  --sp-font-weight-normal: 400;
  --sp-font-weight-medium: 500;
  --sp-font-weight-semibold: 600;
  --sp-font-weight-bold: 700;
  
  /* Line Heights */
  --sp-line-height-tight: 1.1;
  --sp-line-height-snug: 1.3;
  --sp-line-height-normal: 1.5;
  --sp-line-height-relaxed: 1.75;
  --sp-line-height-loose: 2;
  
  /* Letter Spacing */
  --sp-letter-spacing-tight: -0.025em;
  --sp-letter-spacing-normal: 0;
  --sp-letter-spacing-wide: 0.025em;
  
  /* ============================================
     SPACING SYSTEM
     ============================================ */
  
  /* Base spacing unit: 4px */
  --sp-space-0: 0;
  --sp-space-1: 0.25rem;   /* 4px */
  --sp-space-2: 0.5rem;    /* 8px */
  --sp-space-3: 0.75rem;   /* 12px */
  --sp-space-4: 1rem;      /* 16px */
  --sp-space-5: 1.25rem;   /* 20px */
  --sp-space-6: 1.5rem;    /* 24px */
  --sp-space-7: 1.75rem;   /* 28px */
  --sp-space-8: 2rem;      /* 32px */
  --sp-space-9: 2.25rem;   /* 36px */
  --sp-space-10: 2.5rem;   /* 40px */
  --sp-space-12: 3rem;     /* 48px */
  --sp-space-14: 3.5rem;   /* 56px */
  --sp-space-16: 4rem;     /* 64px */
  --sp-space-18: 4.5rem;   /* 72px */
  --sp-space-20: 5rem;     /* 80px */
  --sp-space-24: 6rem;     /* 96px */
  --sp-space-30: 7.5rem;   /* 120px */
  
  /* Section Spacing */
  --sp-section-spacing-sm: 2.5rem;   /* 40px */
  --sp-section-spacing-md: 3.5rem;   /* 56px */
  --sp-section-spacing-lg: 5rem;     /* 80px */
  --sp-section-spacing-xl: 6.25rem;  /* 100px */
  
  /* Container Spacing */
  --sp-container-padding-sm: 0.9375rem;  /* 15px */
  --sp-container-padding-md: 1.875rem;    /* 30px */
  --sp-container-padding-lg: 3.75rem;    /* 60px */
  
  /* ============================================
     BORDER RADIUS
     ============================================ */
  
  --sp-radius-none: 0;
  --sp-radius-sm: 0.3125rem;   /* 5px */
  --sp-radius-md: 0.5rem;      /* 8px */
  --sp-radius-lg: 0.75rem;     /* 12px */
  --sp-radius-xl: 1rem;        /* 16px */
  --sp-radius-2xl: 1.25rem;    /* 20px */
  --sp-radius-3xl: 1.5rem;    /* 24px */
  --sp-radius-4xl: 1.875rem;   /* 30px */
  --sp-radius-5xl: 2.5rem;    /* 40px */
  --sp-radius-full: 9999px;   /* Fully rounded */
  
  /* ============================================
     SHADOWS
     ============================================ */
  
  --sp-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --sp-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --sp-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --sp-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --sp-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --sp-shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  --sp-shadow-none: none;
  
  /* ============================================
     TRANSITIONS & ANIMATIONS
     ============================================ */
  
  --sp-transition-fast: 150ms ease;
  --sp-transition-base: 300ms ease;
  --sp-transition-slow: 500ms ease;
  --sp-transition-slower: 600ms ease;
  
  --sp-animation-duration-fast: 150ms;
  --sp-animation-duration-base: 300ms;
  --sp-animation-duration-slow: 500ms;
  --sp-animation-duration-slower: 600ms;
  
  /* ============================================
     Z-INDEX SCALE
     ============================================ */
  
  --sp-z-index-base: 1;
  --sp-z-index-dropdown: 10;
  --sp-z-index-sticky: 20;
  --sp-z-index-fixed: 30;
  --sp-z-index-modal-backdrop: 40;
  --sp-z-index-modal: 50;
  --sp-z-index-popover: 60;
  --sp-z-index-tooltip: 70;
  
  /* ============================================
     BREAKPOINTS (for reference in JS)
     ============================================ */
  
  --sp-breakpoint-xs: 480px;
  --sp-breakpoint-sm: 768px;
  --sp-breakpoint-md: 1024px;
  --sp-breakpoint-lg: 1280px;
  --sp-breakpoint-xl: 1400px;
  
  /* ============================================
     CONTAINER WIDTHS
     ============================================ */
  
  --sp-container-sm: 640px;
  --sp-container-md: 768px;
  --sp-container-lg: 1024px;
  --sp-container-xl: 1280px;
  --sp-container-2xl: 1300px;
  --sp-container-full: 100%;
  
  /* ============================================
     BUTTON SIZES
     ============================================ */
  
  --sp-button-height-sm: 2.5rem;   /* 40px */
  --sp-button-height-md: 3.25rem;  /* 52px */
  --sp-button-height-lg: 3.625rem; /* 58px */
  
  --sp-button-padding-x-sm: 1rem;   /* 16px */
  --sp-button-padding-x-md: 1.5rem; /* 24px */
  --sp-button-padding-x-lg: 2.5rem; /* 40px */
  
  /* ============================================
     FORM ELEMENTS
     ============================================ */
  
  --sp-input-height: 3rem;         /* 48px */
  --sp-input-padding-x: 1rem;      /* 16px */
  --sp-input-border-radius: var(--sp-radius-md);
  --sp-input-border-color: var(--sp-color-border-light);
  --sp-input-focus-border-color: var(--sp-color-secondary);
  
  /* ============================================
     LEGACY COMPATIBILITY
     ============================================ */
  
  /* Maintain compatibility with Flatsome theme variables */
  --fs-color-primary: var(--sp-color-secondary);
  --fs-color-secondary: var(--sp-color-secondary);
  --fs-experimental-link-color-hover: var(--sp-color-secondary);
}

/* ============================================
   DARK MODE (Future Enhancement)
   ============================================ */

@media (prefers-color-scheme: dark) {
  :root {
    /* Dark mode tokens can be added here */
  }
}