/**
 * The Car Superstore - Design System Variables
 * 
 * Centralized CSS variables for colors, spacing, typography, and more.
 * Update values here to rebrand the entire theme instantly.
 * 
 * @package TheCarSuperstore
 */

:root {
    /* ===========================
       COLOR PALETTE
       =========================== */
    
    /* Primary Brand Color */
    --color-primary: #cf1b24;
    --color-primary-dark: #a91520;
    --color-primary-light: #e85a63;
    --color-primary-lighter: #f5d5d8;
    
    /* Neutral Colors */
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-lighter: #999999;
    --color-text-muted: #b0b0b0;
    --color-text-secondary: #595959;
    
    --color-headings: #191919;
    
    --color-bg: #ffffff;
    --color-bg-light: #f9f9f9;
    --color-bg-lighter: #f5f5f5;
    --color-bg-dark: #f0f0f0;
    
    /* Border Colors */
    --color-border: #e5e5e5;
    --color-border-light: #ebebeb;
    
    /* Accent Colors */
    --color-accent: #d1bb95;
    
    /* Semantic Colors */
    --color-success: #28a745;
    --color-success-light: #d4edda;
    --color-danger: #dc3545;
    --color-danger-light: #f8d7da;
    --color-warning: #ffc107;
    --color-warning-light: #fff3cd;
    --color-info: #17a2b8;
    --color-info-light: #d1ecf1;
    
    /* Social Media Colors */
    --color-facebook: #4c65a8;
    --color-twitter: #41a1f6;
    --color-google-plus: #f43535;
    --color-instagram: #8f6247;
    --color-pinterest: #f0c605;
    --color-linkedin: #0077b5;
    --color-whatsapp: #25D366;
    /* Shadow */
    --color-shadow: rgba(0, 0, 0, 0.1);
    --color-shadow-light: rgba(0, 0, 0, 0.05);
    
    /* ===========================
       TYPOGRAPHY
       =========================== */
    
    /* Font Families */
    --font-primary: "Barlow", sans-serif;
    --font-secondary: "Work Sans", sans-serif;
    --font-mono: "Courier New", monospace;
    
    /* Font Sizes */
    --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: 1.875rem;    /* 30px */
    --font-size-3xl: 2.25rem;     /* 36px */
    --font-size-4xl: 3rem;        /* 48px */
    
    /* Font Weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Line Heights */
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    --line-height-loose: 2;
    
    /* Letter Spacing */
    --letter-spacing-tight: -0.02em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.02em;
    
    /* ===========================
       SPACING SYSTEM
       =========================== */
    
    /* Base unit: 1rem = 16px */
    --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 */
    
    /* ===========================
       BORDERS & RADIUS
       =========================== */
    
    --border-width: 1px;
    --border-width-2: 2px;
    
    --border-radius-xs: 2px;
    --border-radius-sm: 4px;
    --border-radius-md: 6px;
    --border-radius-lg: 8px;
    --border-radius-xl: 12px;
    --border-radius-2xl: 16px;
    
    /* ===========================
       BUTTONS
       =========================== */
    
    /* Button Base Padding */
    --btn-padding-sm: var(--spacing-xs) var(--spacing-sm);
    --btn-padding-md: var(--spacing-sm) var(--spacing-md);
    --btn-padding-lg: var(--spacing-md) var(--spacing-lg);
    --btn-padding-xl: var(--spacing-lg) var(--spacing-xl);
    
    /* Button Font Sizes */
    --btn-font-size-sm: var(--font-size-sm);
    --btn-font-size-md: var(--font-size-base);
    --btn-font-size-lg: var(--font-size-md);
    
    /* Button Border Radius */
    --btn-border-radius: var(--border-radius-sm);
    
    /* Button Transitions */
    --btn-transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    
    /* ===========================
       FORMS
       =========================== */
    
    --form-input-padding: var(--spacing-sm) var(--spacing-md);
    --form-input-border-radius: var(--border-radius-sm);
    --form-input-border: var(--border-width) solid var(--color-border);
    --form-input-focus-border: var(--border-width-2) solid var(--color-primary);
    --form-label-margin-bottom: var(--spacing-sm);
    --form-group-margin-bottom: var(--spacing-lg);
    
    /* ===========================
       TRANSITIONS & ANIMATIONS
       =========================== */
    
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    --easing-in: cubic-bezier(0.4, 0, 1, 1);
    --easing-out: cubic-bezier(0, 0, 0.2, 1);
    --easing-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --easing-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* ===========================
       SHADOWS
       =========================== */
    
    --shadow-sm: 0 1px 2px var(--color-shadow-light);
    --shadow-md: 0 4px 6px var(--color-shadow-light);
    --shadow-lg: 0 10px 15px var(--color-shadow);
    --shadow-xl: 0 20px 25px var(--color-shadow);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.15);
    
    /* ===========================
       Z-INDEX SCALE
       =========================== */
    
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* ===========================
       BREAKPOINTS (Media Queries)
       =========================== */
    
    --bp-xs: 0px;
    --bp-sm: 576px;
    --bp-md: 768px;
    --bp-lg: 992px;
    --bp-xl: 1200px;
    --bp-xxl: 1400px;
    
    /* ===========================
       CONTENT WIDTH
       =========================== */
    
    --container-max-width: 1200px;
    --content-max-width: 900px;
    
    /* ===========================
       ACCESSIBILITY
       =========================== */
    
    /* Focus indicator */
    --focus-outline: 2px solid var(--color-primary);
    --focus-outline-offset: 2px;
    
    /* High contrast mode support */
    --color-text-hc: #000000;
    --color-bg-hc: #ffffff;

    /* ===========================
       LAYOUT / STRUCTURAL COLORS
       =========================== */

    --color-footer-bg: #101010;

    /* ===========================
       THIRD-PARTY / BRAND COLORS
       (floating widgets, share buttons)
       =========================== */

    --color-whatsapp: #25D366;
    --color-whatsapp-dark: #128C7E;
    --color-call: #007bff;
    --color-call-dark: #0056b3;
    --color-directions: #28a745;
    --color-directions-dark: #1e7e34;
}

/* ===========================
   DARK MODE VARIABLES (FUTURE)
   =========================== */

@media (prefers-color-scheme: dark) {
    :root {
        --color-text: #f0f0f0;
        --color-text-light: #d0d0d0;
        --color-text-lighter: #a0a0a0;
        --color-bg: #1a1a1a;
        --color-bg-light: #2a2a2a;
        --color-bg-lighter: #333333;
        --color-border: #404040;
    }
}

/* ===========================
   REDUCED MOTION PREFERENCES
   =========================== */

@media (prefers-reduced-motion: reduce) {
    :root {
        --transition-fast: 0ms ease-in-out;
        --transition-normal: 0ms ease-in-out;
        --transition-slow: 0ms ease-in-out;
        --btn-transition: none;
    }
}