/* ============================================
   Alberta Tradesman Services - CSS Variables
   Theme: Burnt Orange & Sky Blue (Alberta Pride)
   ============================================ */

:root {
    /* Primary Colors - Alberta Theme */
    --color-sky-blue: #2B6CB0;
    --color-burnt-orange: #DD6B20;
    --color-charcoal: #2D3748;
    --color-dark-gray: #1A202C;

    /* Extended Palette */
    --color-blue-light: #DBEAFE;
    --color-blue-dark: #1E4788;
    --color-orange-light: #FED7AA;
    --color-orange-dark: #9C4221;

    /* Gray Scale */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #2B6CB0, #DD6B20);
    --gradient-soft: linear-gradient(135deg, #DBEAFE, #FED7AA);
    --gradient-dark: linear-gradient(135deg, #1E4788, #9C4221);
    --gradient-hero: linear-gradient(180deg, rgba(27, 108, 176, 0.95), rgba(221, 107, 32, 0.85));

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* Font Sizes - Fluid Typography */
    --text-xs: clamp(0.75rem, 1.5vw, 0.875rem);
    --text-sm: clamp(0.875rem, 1.75vw, 1rem);
    --text-base: clamp(1rem, 2vw, 1.125rem);
    --text-lg: clamp(1.125rem, 2.25vw, 1.25rem);
    --text-xl: clamp(1.25rem, 2.5vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 3vw, 2rem);
    --text-3xl: clamp(2rem, 4vw, 3rem);
    --text-4xl: clamp(2.5rem, 5vw, 4rem);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    /* Z-index Scale */
    --z-negative: -1;
    --z-normal: 0;
    --z-elevated: 10;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-overlay: 300;
    --z-modal: 400;
    --z-popover: 500;
    --z-tooltip: 600;

    /* Container */
    --container-max-width: 1200px;
    --container-padding: var(--space-lg);

    /* Header */
    --header-height: 80px;
    --header-height-mobile: 60px;

    /* Breakpoints (for reference) */
    --breakpoint-xs: 400px;
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --breakpoint-2xl: 1536px;
}