/* ==========================================================================
   DESIGN SYSTEM - LUXURY DEEP CHARCOAL SLATE (ERGONOMIC DARK THEME)
   FIEL AO DESIGN.MD COM PALETA ERGONÔMICA CHARCOAL SLATE (#0b0f17)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;800;900&family=Saira:wght@700;800&display=swap');

:root {
  /* Colors - Ergonomic Charcoal Slate Canvas & Surfaces */
  --color-canvas: #0b0f17;          /* Deep Charcoal Slate Floor (Zero Eye-strain) */
  --color-surface-soft: #111622;    /* Soft Surface Panel */
  --color-surface-card: #181e2b;    /* Elevated Card Surface */
  --color-surface-elevated: #222938;/* Higher Nested Cards */
  --color-carbon-gray: #1f2736;     /* Spec/Table Cell Background */

  /* Colors - Hairlines & Borders (1px Precision Slate) */
  --color-hairline: #273042;
  --color-hairline-strong: #334057;

  /* Colors - Text Voice (Optimized Visual Ergonomics) */
  --color-on-dark: #ffffff;
  --color-body: #cbd5e1;            /* Soft Slate White - 0% halation strain */
  --color-body-strong: #f1f5f9;
  --color-muted: #64748b;

  /* Colors - Signature Tricolor Accent Stripe */
  --color-stripe-light: #0066b1; /* Celestial Blue */
  --color-stripe-dark: #1c69d4;  /* Royal Blue */
  --color-stripe-accent: #d4af37;/* Divine Gold / Fire */
  --color-success: #0fa336;
  --color-warning: #f4b400;      /* Amber - pendência, aguardando ação */
  --color-danger:  #e22718;      /* Vermelho - exclusão, erro, risco */


  /* Typography Stack */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Saira', 'Inter', sans-serif;

  /* Spacing Tokens */
  --space-xxs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-xxl: 64px;
  --space-section: 96px;

  /* Border Radius (Strict 0px vs 50% Circular) */
  --rounded-none: 0px;
  --rounded-full: 9999px;
  --rounded-sm: 4px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  background-color: var(--color-canvas);
  color: var(--color-on-dark);
  font-family: var(--font-family);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-canvas);
  color: var(--color-body);
  font-weight: 300;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Selection */
::selection {
  background-color: var(--color-stripe-dark);
  color: var(--color-on-dark);
}

/* Container & Grid Limits */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

/* Full Bleed Utility */
.full-bleed {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

/* Typography Hierarchy - Fiel ao design.md */
h1, h2, h3, h4, .display-text {
  color: var(--color-on-dark);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  line-height: 1.05;
}

.display-xl {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -1px;
}

.display-lg {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.05;
}

.display-md {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.1;
}

.display-sm {
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  font-weight: 700;
  line-height: 1.15;
}

.title-lg {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  text-transform: none;
}

.title-md {
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.4;
  text-transform: none;
  color: var(--color-body-strong);
}

.title-sm {
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.4;
}

.label-uppercase {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-on-dark);
}

.body-md {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.5;
  color: var(--color-body);
}

.body-sm {
  font-size: 0.875rem;
  font-weight: 300;
  line-height: 1.5;
  color: var(--color-body);
}

.caption {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.5px;
  color: var(--color-muted);
}

/* Machined Accent Stripe - Signature M-style Tricolor Divider */
.m-stripe-divider {
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, 
    var(--color-stripe-light) 0%, 
    var(--color-stripe-light) 33.33%, 
    var(--color-stripe-dark) 33.33%, 
    var(--color-stripe-dark) 66.66%, 
    var(--color-stripe-accent) 66.66%, 
    var(--color-stripe-accent) 100%
  );
  border: none;
  margin: 0;
}

.m-stripe-badge {
  display: inline-block;
  width: 48px;
  height: 4px;
  background: linear-gradient(90deg, 
    var(--color-stripe-light) 0%, 
    var(--color-stripe-light) 33.33%, 
    var(--color-stripe-dark) 33.33%, 
    var(--color-stripe-dark) 66.66%, 
    var(--color-stripe-accent) 66.66%, 
    var(--color-stripe-accent) 100%
  );
  vertical-align: middle;
}

/* Hairline Dividers */
.hairline-divider {
  width: 100%;
  height: 1px;
  background-color: var(--color-hairline);
  border: none;
}

/* Button System - Strictly Rectangular (rounded.none) */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  height: 48px;
  padding: 0 var(--space-xl);
  background-color: var(--color-canvas);
  color: var(--color-on-dark);
  border: 1px solid var(--color-on-dark);
  border-radius: var(--rounded-none);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  background-color: var(--color-on-dark);
  color: var(--color-canvas);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  height: 48px;
  padding: 0 var(--space-xl);
  background-color: transparent;
  color: var(--color-on-dark);
  border: 1px solid var(--color-on-dark);
  border-radius: var(--rounded-none);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--rounded-full);
  background-color: var(--color-surface-card);
  color: var(--color-on-dark);
  border: 1px solid var(--color-hairline);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background-color: var(--color-surface-elevated);
  border-color: var(--color-on-dark);
  transform: scale(1.05);
}

/* Link Text Arrow */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-on-dark);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.text-link::after {
  content: '→';
  font-size: 1.1rem;
  transition: transform var(--transition-fast);
}

.text-link:hover::after {
  transform: translateX(4px);
}