/**
 * ARVIGA - CSS Variables (Design Tokens)
 * Base file loaded globally — defines all custom properties
 * used throughout the site for consistent theming.
 *
 * Color Palette:
 *   White:    #FFFFFF
 *   Light Blue: #4DA6FF
 *   Pro Blue: #007BFF
 *   Light Gray: #F8FAFC
 */

:root {
    /* ===== Brand Colors ===== */
    --color-primary: #007BFF;
    --color-primary-hover: #0069d9;
    --color-primary-light: #4DA6FF;
    --color-primary-ultra-light: rgba(77, 166, 255, 0.10);
    --color-primary-glow: rgba(0, 123, 255, 0.25);

    --color-dark: #0B1D35;
    --color-dark-mid: #162D50;
    --color-medium: #4A6A8A;

    --color-text-heading: #0B1D35;
    --color-text-body: #475569;
    --color-text-muted: #94A3B8;
    --color-text-light: #CBD5E1;

    --color-bg-light: #F8FAFC;
    --color-bg-white: #FFFFFF;
    --color-bg-blue: #EFF6FF;
    --color-bg-section: #F1F5F9;

    --color-border: #E2E8F0;
    --color-border-light: #F1F5F9;

    /* ===== Semantic Colors ===== */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-info: #3B82F6;

    /* ===== Gradients ===== */
    --gradient-primary: linear-gradient(135deg, #4DA6FF 0%, #007BFF 100%);
    --gradient-primary-hover: linear-gradient(135deg, #007BFF 0%, #0056b3 100%);
    --gradient-dark: linear-gradient(135deg, #0B1D35 0%, #162D50 100%);
    --gradient-hero: linear-gradient(160deg, #EFF6FF 0%, #FFFFFF 50%, #F8FAFC 100%);
    --gradient-card: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.6) 100%);
    --gradient-blue-section: linear-gradient(180deg, #F8FAFC 0%, #EFF6FF 100%);
    --gradient-cta: linear-gradient(135deg, #007BFF 0%, #4DA6FF 50%, #007BFF 100%);

    /* ===== Typography ===== */
    --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    --line-height-tight: 1.15;
    --line-height-snug: 1.3;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.8;

    /* ===== Spacing ===== */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    --spacing-section: 100px;

    /* ===== Border Radius ===== */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-3xl: 32px;
    --radius-full: 9999px;

    /* ===== Shadows ===== */
    --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.10);
    --shadow-xl: 0 25px 60px rgba(0, 0, 0, 0.12);
    --shadow-primary: 0 8px 30px rgba(0, 123, 255, 0.25);
    --shadow-primary-lg: 0 16px 48px rgba(0, 123, 255, 0.30);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.06);
    --shadow-card-hover: 0 12px 40px rgba(0, 123, 255, 0.15);
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.06);

    /* ===== Glassmorphism ===== */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-blur: blur(20px);

    /* ===== Transitions ===== */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* ===== Z-Index Scale ===== */
    --z-below: -1;
    --z-base: 0;
    --z-above: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-overlay: 300;
    --z-modal: 400;
    --z-toast: 500;
    --z-loader: 9999;
}