/* ==========================================================================
   DESIGN SYSTEM - PODEDATA
   Fundação: Tokens, Variáveis, Estilos Base
   ========================================================================== */

/* --------------------------------------------------------------------------
   CUSTOM PROPERTIES (CSS Variables)
   -------------------------------------------------------------------------- */

:root {
  /* === COLORS === */
  
  /* Primary Colors */
  --color-primary: #0A7AFF;
  --color-primary-rgb: 10, 122, 255;
  --color-primary-light: #4DA3FF;
  --color-primary-dark: #0556B3;
  
  /* Secondary Colors */
  --color-secondary: #6C5CE7;
  --color-secondary-rgb: 108, 92, 231;
  --color-secondary-light: #9F8FEF;
  --color-secondary-dark: #4A3DB8;
  
  /* Accent Colors */
  --color-accent: #00D9A3;
  --color-accent-rgb: 0, 217, 163;
  --color-accent-light: #33E3B8;
  --color-accent-dark: #00A37A;
  
  /* Neutral Colors */
  --color-neutral-900: #1A1D29;
  --color-neutral-800: #2D3142;
  --color-neutral-700: #4B5369;
  --color-neutral-600: #6B7280;
  --color-neutral-500: #9CA3AF;
  --color-neutral-400: #D1D5DB;
  --color-neutral-300: #E5E7EB;
  --color-neutral-200: #F3F4F6;
  --color-neutral-100: #F9FAFB;
  --color-neutral-50: #FFFFFF;
  
  /* Semantic Colors */
  --color-success: #00D9A3;
  --color-warning: #FFB800;
  --color-error: #FF4757;
  --color-info: #0A7AFF;
  
  /* Background Colors */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F9FAFB;
  --bg-tertiary: #F3F4F6;
  --bg-elevated: #FFFFFF;
  
  /* Text Colors */
  --text-primary: var(--color-neutral-900);
  --text-secondary: var(--color-neutral-700);
  --text-tertiary: var(--color-neutral-600);
  --text-inverse: var(--color-neutral-50);
  
  /* Border Colors */
  --border-light: var(--color-neutral-300);
  --border-medium: var(--color-neutral-400);
  --border-dark: var(--color-neutral-600);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #0A7AFF 0%, #6C5CE7 100%);
  --gradient-accent: linear-gradient(135deg, #00D9A3 0%, #0A7AFF 100%);
  --gradient-hero: linear-gradient(135deg, rgba(10, 122, 255, 0.05) 0%, rgba(108, 92, 231, 0.05) 100%);
  --gradient-dark: linear-gradient(180deg, rgba(26, 29, 41, 0) 0%, rgba(26, 29, 41, 0.8) 100%);
  
  /* === TYPOGRAPHY === */
  
  /* Font Families */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --font-display: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  
  /* Font Weights */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* Line Heights */
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  /* === SPACING === */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Container */
  --container-max-width: 1200px;
  --container-padding: var(--space-6);
  
  /* Section Spacing */
  --section-padding-y: var(--space-20);
  --section-padding-y-sm: var(--space-12);
  
  /* === BORDERS === */
  --border-width: 1px;
  --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-primary: 0 10px 30px -5px rgba(10, 122, 255, 0.3);
  --shadow-accent: 0 10px 30px -5px rgba(0, 217, 163, 0.3);
  
  /* === TRANSITIONS === */
  --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);
  
  /* === Z-INDEX === */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1050;
}

/* --------------------------------------------------------------------------
   BASE STYLES
   -------------------------------------------------------------------------- */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

::selection {
  background-color: var(--color-primary);
  color: var(--color-neutral-50);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 768px) {
  :root {
    --text-5xl: 2.5rem;
    --text-4xl: 2rem;
    --text-3xl: 1.5rem;
    --section-padding-y: var(--space-12);
  }
}

@media (max-width: 480px) {
  :root {
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
    --section-padding-y: var(--space-10);
    --container-padding: var(--space-4);
  }
}