/* ===========================
   DESIGN SYSTEM - VARIABLES
   Al Diera Constructions LLC
   =========================== */

:root {
    /* ===== PRIMARY COLORS ===== */
    --primary-green: #2d8659;
    --primary-green-dark: #1e5f3f;
    --primary-green-light: #3fa872;
    
    /* ===== SECONDARY COLORS ===== */
    --secondary-gray: #4a4a4a;
    --dark-gray: #2c2c2c;
    --light-gray: #f5f5f5;
    --medium-gray: #8a8a8a;
    
    /* ===== ACCENT COLORS ===== */
    --accent-gold: #d4af37;
    --accent-orange: #ff6b35;
    --accent-blue: #1e5f74;
    
    /* ===== CONSTRUCTION THEME COLORS ===== */
    --construction-yellow: #ffc107;
    --construction-orange: #ff9800;
    --safety-red: #e53935;
    --steel-gray: #607d8b;
    --concrete-gray: #9e9e9e;
    
    /* ===== NEUTRAL COLORS ===== */
    --white: #ffffff;
    --black: #000000;
    --off-white: #fafafa;
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    
    /* ===== TEXT COLORS ===== */
    --text-primary: #2c2c2c;
    --text-secondary: #4a4a4a;
    --text-muted: #8a8a8a;
    --text-light: #ffffff;
    
    /* ===== BACKGROUND COLORS ===== */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-dark: #2c2c2c;
    --bg-overlay: rgba(0, 0, 0, 0.6);
    --bg-overlay-light: rgba(255, 255, 255, 0.95);
    
    /* ===== TYPOGRAPHY ===== */
    --font-english: 'WinSoftPro-Bold', 'Arial', sans-serif;
    --font-arabic: 'GEDinarOne-Medium', 'Arial', sans-serif;
    --font-system: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    
    /* Font Sizes */
    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --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 */
    
    /* Font Weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Line Heights */
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    --line-height-loose: 2;
    
    /* ===== SPACING ===== */
    --spacing-xs: 0.25rem;    /* 4px */
    --spacing-sm: 0.5rem;     /* 8px */
    --spacing-md: 1rem;       /* 16px */
    --spacing-lg: 1.5rem;     /* 24px */
    --spacing-xl: 2rem;       /* 32px */
    --spacing-2xl: 3rem;      /* 48px */
    --spacing-3xl: 4rem;      /* 64px */
    --spacing-4xl: 6rem;      /* 96px */
    --spacing-5xl: 8rem;      /* 128px */
    
    /* ===== LAYOUT ===== */
    --container-max-width: 1200px;
    --container-padding: 1.5rem;
    --section-padding: 5rem;
    --section-padding-mobile: 3rem;
    
    /* ===== BORDERS ===== */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --border-radius-full: 9999px;
    
    --border-width-thin: 1px;
    --border-width-medium: 2px;
    --border-width-thick: 4px;
    
    /* ===== 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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* ===== TRANSITIONS ===== */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* ===== Z-INDEX ===== */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* ===== BREAKPOINTS ===== */
    --breakpoint-xs: 320px;
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --breakpoint-2xl: 1400px;
    
    /* ===== GRADIENTS ===== */
    --gradient-primary: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    --gradient-dark: linear-gradient(135deg, var(--dark-gray) 0%, var(--black) 100%);
    --gradient-overlay: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.7));
    --gradient-overlay-top: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent);
    
    /* ===== CONSTRUCTION PATTERNS ===== */
    --pattern-diagonal-lines: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(0, 0, 0, 0.03) 10px,
        rgba(0, 0, 0, 0.03) 20px
    );
}

/* ===========================
   DARK MODE VARIABLES
   =========================== */
[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2c2c2c;
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-muted: #9e9e9e;
    --border-color: #404040;
}

/* ===========================
   RTL SUPPORT
   =========================== */
[dir="rtl"] {
    --font-primary: var(--font-arabic);
}

[dir="ltr"] {
    --font-primary: var(--font-english);
}