/**
 * Variables CSS
 *
 * Define todas as variáveis globais do projeto:
 * - Cores (primárias, secundárias, neutras)
 * - Tipografia (fontes, tamanhos)
 * - Espaçamentos
 * - Sombras
 * - Transições
 * - Breakpoints (em comentários)
 *
 * @package RSimoesNegocios
 * @version 1.0.0
 */

:root {
    /* ========================================
       CORES
       ======================================== */

    /* Primárias (Azul CAIXA) */
    --color-primary: #005CA9;
    --color-primary-dark: #004080;
    --color-primary-light: #0073CC;
    --color-primary-lighter: #E6F2FF;

    /* Secundárias */
    --color-secondary: #003D6B;
    --color-accent: #F7941D;

    /* Neutras */
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-gray-100: #F8F9FA;
    --color-gray-200: #E9ECEF;
    --color-gray-300: #DEE2E6;
    --color-gray-400: #CED4DA;
    --color-gray-500: #ADB5BD;
    --color-gray-600: #6C757D;
    --color-gray-700: #495057;
    --color-gray-800: #343A40;
    --color-gray-900: #212529;

    /* Feedback */
    --color-success: #28A745;
    --color-info: #17A2B8;
    --color-warning: #FFC107;
    --color-danger: #DC3545;

    /* Overlay */
    --overlay-dark: rgba(0, 0, 0, 0.7);
    --overlay-light: rgba(255, 255, 255, 0.9);

    /* ========================================
       TIPOGRAFIA
       ======================================== */

    /* Famílias de Fonte */
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Tamanhos Base */
    --font-size-base: 16px;

    /* Escala de Tamanhos */
    --font-size-xs: 0.75rem;     /* 12px */
    --font-size-sm: 0.875rem;    /* 14px */
    --font-size-md: 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 */

    /* Pesos */
    --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 Height */
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* ========================================
       ESPAÇAMENTOS
       ======================================== */

    --spacing-0: 0;
    --spacing-1: 0.25rem;    /* 4px */
    --spacing-2: 0.5rem;     /* 8px */
    --spacing-3: 0.75rem;    /* 12px */
    --spacing-4: 1rem;       /* 16px */
    --spacing-5: 1.25rem;    /* 20px */
    --spacing-6: 1.5rem;     /* 24px */
    --spacing-7: 1.75rem;    /* 28px */
    --spacing-8: 2rem;       /* 32px */
    --spacing-10: 2.5rem;    /* 40px */
    --spacing-12: 3rem;      /* 48px */
    --spacing-16: 4rem;      /* 64px */
    --spacing-20: 5rem;      /* 80px */
    --spacing-24: 6rem;      /* 96px */
    --spacing-32: 8rem;      /* 128px */

    /* Seções */
    --section-padding-y: 4rem;        /* Mobile */
    --section-padding-y-md: 6rem;     /* Tablet */
    --section-padding-y-lg: 8rem;     /* Desktop */

    /* ========================================
       SOMBRAS
       ======================================== */

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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);

    /* ========================================
       BORDER RADIUS
       ======================================== */

    --radius-sm: 0.25rem;    /* 4px */
    --radius: 0.375rem;      /* 6px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    --radius-2xl: 1.5rem;    /* 24px */
    --radius-full: 9999px;

    /* ========================================
       TRANSIÇÕES
       ======================================== */

    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s 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;

    /* ========================================
       CONTAINER
       ======================================== */

    --container-max-width: 1200px;
    --container-padding: 1rem;

    /* ========================================
       HEADER
       ======================================== */

    --header-height: 60px;
    --header-height-mobile: 52px;
}

/* ========================================
   BREAKPOINTS (apenas comentário - usar em media queries)
   ======================================== */

/* Mobile First - Base: 0px (sem media query)
   sm: 576px   - Landscape phones
   md: 768px   - Tablets
   lg: 992px   - Desktops
   xl: 1200px  - Large desktops
   xxl: 1400px - Extra large desktops
*/