/* ==========================================
   DESIGN SYSTEM - VARIABLES
   Modern Dark Theme with Blue/Cyan Gradients
   ========================================== */

:root {
    /* ==========================================
       COLOR PALETTE - DARK THEME
       ========================================== */

    /* Background Colors */
    --bg-primary: #0a0e27;
    --bg-secondary: #111640;
    --bg-tertiary: #1a1f3a;
    --bg-card: #1a1f3a;
    --bg-card-hover: #232a4d;
    --bg-dark: #060918;

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b8c5d9;
    --text-muted: #7a8ba6;
    --text-dark: #0a0e27;

    /* Brand Gradient Colors */
    --gradient-primary: linear-gradient(135deg, #0066ff 0%, #00ccff 100%);
    --gradient-secondary: linear-gradient(135deg, #00ccff 0%, #00ffcc 100%);
    --gradient-tertiary: linear-gradient(135deg, #0066ff 0%, #00ffcc 100%);
    --gradient-dark: linear-gradient(135deg, #0a0e27 0%, #111640 100%);
    --gradient-card: linear-gradient(145deg, #1a1f3a 0%, #232a4d 100%);
    --gradient-hero: linear-gradient(135deg, rgba(10, 14, 39, 0.95) 0%, rgba(17, 22, 64, 0.9) 100%);

    /* Accent Colors */
    --accent-blue: #0066ff;
    --accent-cyan: #00ccff;
    --accent-green: #00ffcc;
    --accent-purple: #8b5cf6;

    /* CTA Colors */
    --cta-primary: linear-gradient(135deg, #0066ff 0%, #00ccff 100%);
    --cta-hover: linear-gradient(135deg, #0052cc 0%, #00b3e6 100%);
    --cta-secondary: linear-gradient(135deg, #00ccff 0%, #00ffcc 100%);

    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);

    /* Chat Widget Colors */
    --white: #1a1f3a;
    --bg-light: #111640;
    --border: rgba(255, 255, 255, 0.08);

    /* ==========================================
       TYPOGRAPHY
       ========================================== */
    --font-primary: 'Outfit', sans-serif;
    --font-secondary: 'Inter', sans-serif;

    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;      /* 16px */
    --font-size-md: 1.125rem;    /* 18px */
    --font-size-lg: 1.25rem;     /* 20px */
    --font-size-xl: 1.5rem;      /* 24px */
    --font-size-2xl: 2rem;       /* 32px */
    --font-size-3xl: 2.5rem;     /* 40px */
    --font-size-4xl: 3rem;       /* 48px */
    --font-size-5xl: 3.75rem;    /* 60px */

    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    --line-height-tight: 1.2;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.8;

    /* ==========================================
       SPACING SCALE
       ========================================== */
    --space-xs: 0.25rem;   /* 4px */
    --space-sm: 0.5rem;     /* 8px */
    --space-md: 1rem;       /* 16px */
    --space-lg: 1.5rem;     /* 24px */
    --space-xl: 2rem;       /* 32px */
    --space-2xl: 3rem;      /* 48px */
    --space-3xl: 4rem;      /* 64px */
    --space-4xl: 5rem;      /* 80px */
    --space-5xl: 6rem;      /* 96px */

    /* ==========================================
       LAYOUT
       ========================================== */
    --container-max-width: 1200px;
    --container-padding: 1.5rem;

    /* Section Spacing */
    --section-padding-desktop: 100px 0;
    --section-padding-tablet: 80px 0;
    --section-padding-mobile: 60px 0;

    /* ==========================================
       BORDER RADIUS
       ========================================== */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* ==========================================
       SHADOWS & EFFECTS
       ========================================== */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow-blue: 0 0 20px rgba(0, 102, 255, 0.3);
    --shadow-glow-cyan: 0 0 20px rgba(0, 204, 255, 0.3);

    /* ==========================================
       TRANSITIONS
       ========================================== */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* ==========================================
       BREAKPOINTS
       ========================================== */
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;

    /* ==========================================
       Z-INDEX
       ========================================== */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-toast: 500;
}