:root {
  /* ===== Cores (briefing 4.2) ===== */
  --color-primary: #FF6B00;
  --color-primary-dark: #E05A00;
  --color-primary-light: #FFF3E8;
  --color-text: #1A1A1A;
  --color-text-secondary: #555555;
  --color-bg: #FFFFFF;
  --color-bg-alt: #FAFAFA;
  --color-bg-muted: #F5F5F5;
  --color-bg-dark: #1A1A1A;
  --color-border: #E0E0E0;
  --color-success: #00A86B;
  --color-error: #D32F2F;

  /* ===== Tipografia ===== */
  --font-display: "Barlow Condensed", "Poppins", system-ui, sans-serif;
  --font-body: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* desktop */
  --fs-h1: 48px;
  --fs-h2: 32px;
  --fs-subtitle: 20px;
  --fs-body: 16px;
  --fs-small: 14px;
  --fs-label: 12px;
  --fs-cta: 17px;

  /* ===== Espaçamento ===== */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* ===== Layout ===== */
  --max-w: 900px;
  --pad-x-desktop: 24px;
  --pad-x-mobile: 16px;
  --section-py-desktop: 40px;
  --section-py-mobile: 32px;

  /* ===== Bordas / Sombras ===== */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-cta: 0 4px 12px rgba(255, 107, 0, 0.35);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-focus: 0 0 0 3px rgba(255, 107, 0, 0.15);

  /* ===== Z-index ===== */
  --z-sticky: 9999;
  --z-popup: 10000;

  /* ===== Animação ===== */
  --t-fast: 150ms ease;
  --t-mid: 200ms ease;
  --t-slow: 250ms ease;
}

@media (max-width: 767px) {
  :root {
    --fs-h1: 32px;
    --fs-h2: 26px;
    --fs-subtitle: 18px;
    --fs-body: 15px;
    --fs-cta: 16px;
  }
}