:root {
  /* Cores */
  --color-primary:        #1A6DB5;
  --color-primary-light:  #3A8FD8;
  --color-primary-dark:   #0A4D8C;
  --color-bg:             #FFFFFF;
  --color-bg-soft:        #F0F6FF;
  --color-text:           #1A1A2E;
  --color-text-muted:     #5A6A7A;
  --color-border:         #D0E4F7;
  --color-cta:            #FF6B00;
  --color-whatsapp:       #25D366;
  --color-whatsapp-dark:  #128C7E;
  --color-success:        #10B981;
  --color-error:          #EF4444;
  --color-star:           #F59E0B;

  /* Tipografia */
  --font-base:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size:    16px;
  --line-height:  1.6;

  /* Escala tipográfica */
  --text-xs:   0.75rem;   /* 12px */
  --text-sm:   0.875rem;  /* 14px */
  --text-md:   1rem;      /* 16px */
  --text-lg:   1.25rem;   /* 20px */
  --text-xl:   1.5rem;    /* 24px */
  --text-2xl:  2rem;      /* 32px */
  --text-3xl:  3rem;      /* 48px */

  /* Espaçamentos (múltiplos de 8px) */
  --space-1:   0.5rem;    /* 8px  */
  --space-2:   1rem;      /* 16px */
  --space-3:   1.5rem;    /* 24px */
  --space-4:   2rem;      /* 32px */
  --space-6:   3rem;      /* 48px */
  --space-8:   4rem;      /* 64px */
  --space-12:  6rem;      /* 96px */

  /* Layout */
  --container-max:  1200px;
  --container-pad:  1.5rem;
  --radius-sm:      6px;
  --radius-card:    12px;
  --radius-btn:     8px;
  --radius-full:    9999px;

  /* Sombras */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:   0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg:   0 10px 15px rgba(0,0,0,0.08), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl:   0 20px 25px rgba(0,0,0,0.08), 0 10px 10px rgba(0,0,0,0.04);

  /* Transições */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Z-index */
  --z-header:   100;
  --z-mobile:   200;
  --z-float:    300;
}