/**
 * ============================================
 * COOLLABS DESIGN SYSTEM - VARIABLES
 * ============================================
 * Design premium inspirado em sites enterprise
 * Paleta roxa (#7B63C5) + gradientes + elementos tecnológicos
 * v2.0.0 - Corporate Premium Edition
 */

:root {
  /* ==================== CORES PRIMÁRIAS ==================== */
  
  /* Roxo Coollabs - Cor principal da marca */
  --color-primary: #7B63C5;
  --color-primary-light: #9B83E5;
  --color-primary-dark: #5B439F;
  --color-primary-50: rgba(123, 99, 197, 0.05);
  --color-primary-100: rgba(123, 99, 197, 0.1);
  --color-primary-200: rgba(123, 99, 197, 0.2);
  --color-primary-500: rgba(123, 99, 197, 0.5);
  --color-primary-800: rgba(123, 99, 197, 0.8);
  
  /* Gradientes Premium */
  --gradient-primary: linear-gradient(135deg, #7B63C5 0%, #9B83E5 100%);
  --gradient-primary-hover: linear-gradient(135deg, #5B439F 0%, #7B63C5 100%);
  --gradient-dark: linear-gradient(135deg, #1F1F1F 0%, #3A3A3A 100%);
  --gradient-hero: linear-gradient(135deg, rgba(123, 99, 197, 0.95) 0%, rgba(31, 31, 31, 0.85) 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(31, 31, 31, 0) 0%, rgba(31, 31, 31, 0.8) 100%);
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, rgba(123, 99, 197, 0.02) 100%);
  
  /* ==================== CORES NEUTRAS ==================== */
  
  /* Escala de cinzas corporativa */
  --color-dark: #1F1F1F;
  --color-dark-secondary: #2A2A2A;
  --color-dark-tertiary: #3A3A3A;
  --color-gray-900: #1F1F1F;
  --color-gray-800: #2A2A2A;
  --color-gray-700: #3A3A3A;
  --color-gray-600: #525252;
  --color-gray-500: #737373;
  --color-gray-400: #A3A3A3;
  --color-gray-300: #D4D4D4;
  --color-gray-200: #E5E5E5;
  --color-gray-100: #F4F4F4;
  --color-gray-50: #FAFAFA;
  
  --color-white: #FFFFFF;
  --color-black: #000000;
  
  /* ==================== CORES FUNCIONAIS ==================== */
  
  --color-success: #10B981;
  --color-success-light: #D1FAE5;
  --color-warning: #F59E0B;
  --color-warning-light: #FEF3C7;
  --color-error: #EF4444;
  --color-error-light: #FEE2E2;
  --color-info: #3B82F6;
  --color-info-light: #DBEAFE;
  
  /* ==================== BACKGROUNDS ==================== */
  
  --bg-primary: #FFFFFF;
  --bg-secondary: #F4F4F4;
  --bg-tertiary: #FAFAFA;
  --bg-dark: #1F1F1F;
  --bg-dark-secondary: #2A2A2A;
  --bg-overlay: rgba(31, 31, 31, 0.7);
  --bg-overlay-light: rgba(255, 255, 255, 0.9);
  
  /* ==================== TIPOGRAFIA ==================== */
  
  /* Fontes corporativas (Google Fonts) */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Space Grotesk', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  
  /* Tamanhos de fonte - escala modular 1.250 (Major Third) */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.563rem;    /* 25px */
  --text-3xl: 1.953rem;    /* 31px */
  --text-4xl: 2.441rem;    /* 39px */
  --text-5xl: 3.052rem;    /* 49px */
  --text-6xl: 3.815rem;    /* 61px */
  --text-7xl: 4.768rem;    /* 76px */
  
  /* Pesos de fonte */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* Altura de linha */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  /* Tracking (letter-spacing) */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;
  
  /* ==================== ESPAÇAMENTO ==================== */
  
  /* Sistema de espaçamento 8px (8-point grid) */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */
  --space-40: 10rem;    /* 160px */
  --space-48: 12rem;    /* 192px */
  --space-64: 16rem;    /* 256px */
  
  /* Espaçamento de seções */
  --section-padding-sm: var(--space-16);
  --section-padding-md: var(--space-24);
  --section-padding-lg: var(--space-32);
  --section-padding-xl: var(--space-40);
  
  /* ==================== BORDAS ==================== */
  
  --border-width-thin: 1px;
  --border-width-medium: 2px;
  --border-width-thick: 4px;
  
  /* Border radius - suave e corporativo */
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-3xl: 2rem;     /* 32px */
  --radius-full: 9999px;
  
  --border-color: var(--color-gray-200);
  --border-color-dark: var(--color-gray-700);
  
  /* ==================== SOMBRAS ==================== */
  
  /* Sombras sutis e profissionais */
  --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);
  
  /* Sombras com cor primária (hover effects) */
  --shadow-primary: 0 10px 40px -5px rgba(123, 99, 197, 0.3);
  --shadow-primary-lg: 0 20px 60px -10px rgba(123, 99, 197, 0.4);
  
  /* ==================== TRANSIÇÕES ==================== */
  
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slower: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  
  /* ==================== Z-INDEX ==================== */
  
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  
  /* ==================== LAYOUT ==================== */
  
  /* Container widths */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;
  
  /* Max content width */
  --max-width-content: 1400px;
  --max-width-text: 65ch;
  
  /* Header height */
  --header-height: 80px;
  --header-height-mobile: 64px;
  
  /* ==================== BREAKPOINTS ==================== */
  
  /* Definidos para uso em media queries JS */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
  
  /* ==================== EFEITOS ESPECIAIS ==================== */
  
  /* Blur effects */
  --blur-sm: blur(4px);
  --blur-md: blur(8px);
  --blur-lg: blur(16px);
  --blur-xl: blur(24px);
  
  /* Backdrop blur para glassmorphism */
  --backdrop-blur: blur(12px) saturate(180%);
  
  /* ==================== ANIMAÇÕES ==================== */
  
  --animation-duration-fast: 200ms;
  --animation-duration-base: 300ms;
  --animation-duration-slow: 500ms;
  --animation-duration-slower: 800ms;
}

/* ==================== DARK MODE ==================== */

[data-theme="dark"] {
  /* Backgrounds */
  --bg-primary: #1F1F1F;
  --bg-secondary: #2A2A2A;
  --bg-tertiary: #3A3A3A;
  --bg-overlay: rgba(255, 255, 255, 0.05);
  
  /* Text colors */
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #D4D4D4;
  --color-text-tertiary: #A3A3A3;
  
  /* Borders */
  --border-color: var(--color-gray-700);
  
  /* Shadows mais sutis no dark mode */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.5);
  
  /* Gradientes ajustados */
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.02) 0%, rgba(123, 99, 197, 0.05) 100%);
}

/* ==================== RESPONSIVE TYPOGRAPHY ==================== */

/* Mobile-first: ajustes progressivos */
@media (min-width: 640px) {
  :root {
    --text-5xl: 3.5rem;
    --text-6xl: 4.5rem;
    --text-7xl: 5.5rem;
  }
}

@media (min-width: 1024px) {
  :root {
    --text-5xl: 4rem;
    --text-6xl: 5rem;
    --text-7xl: 6rem;
    
    --section-padding-sm: var(--space-20);
    --section-padding-md: var(--space-32);
    --section-padding-lg: var(--space-40);
    --section-padding-xl: var(--space-48);
  }
}

/* ==================== PRINT STYLES ==================== */

@media print {
  :root {
    --color-primary: #000000;
    --color-text-primary: #000000;
    --bg-primary: #FFFFFF;
  }
}