/* ============================================================
   SCEVE ENGENHARIA — Design Tokens
   ============================================================ */

:root {

  /* --- Cores Primárias --- */
  --color-primary:         #1B4F72;
  --color-primary-dark:    #0D2B3E;
  --color-primary-light:   #2E86C1;
  --color-primary-bg:      #EAF2FA;

  /* --- Cores de Acento --- */
  --color-accent:          #E67E22;
  --color-accent-dark:     #CA6F1E;
  --color-accent-light:    #F0A050;

  /* --- Status --- */
  --color-success:         #27AE60;
  --color-warning:         #F39C12;
  --color-error:           #E74C3C;

  /* --- Neutros --- */
  --color-white:           #FFFFFF;
  --color-gray-50:         #F8FAFC;
  --color-gray-100:        #F1F5F9;
  --color-gray-200:        #E2E8F0;
  --color-gray-300:        #CBD5E1;
  --color-gray-400:        #94A3B8;
  --color-gray-500:        #64748B;
  --color-gray-600:        #475569;
  --color-gray-700:        #334155;
  --color-gray-800:        #1E293B;
  --color-gray-900:        #0F172A;

  /* --- Texto --- */
  --color-text:            #1E293B;
  --color-text-secondary:  #475569;
  --color-text-muted:      #64748B;
  --color-text-inverse:    #FFFFFF;

  /* --- Bordas & Backgrounds --- */
  --color-border:          #E2E8F0;
  --color-border-dark:     #CBD5E1;
  --color-bg-body:         #FFFFFF;
  --color-bg-section:      #F8FAFC;
  --color-bg-dark:         #0D2B3E;

  /* ============================================================
     TIPOGRAFIA
     ============================================================ */

  --font-family:           'Inter', 'Segoe UI', system-ui, sans-serif;

  --font-size-xs:          0.75rem;
  --font-size-sm:          0.875rem;
  --font-size-base:        1rem;
  --font-size-md:          1.125rem;
  --font-size-lg:          1.25rem;
  --font-size-xl:          1.5rem;
  --font-size-2xl:         1.875rem;
  --font-size-3xl:         2.25rem;
  --font-size-4xl:         3rem;
  --font-size-5xl:         3.75rem;

  --font-weight-regular:   400;
  --font-weight-medium:    500;
  --font-weight-semibold:  600;
  --font-weight-bold:      700;
  --font-weight-extrabold: 800;

  --line-height-tight:     1.25;
  --line-height-normal:    1.5;
  --line-height-relaxed:   1.625;

  --letter-spacing-tight:  -0.025em;
  --letter-spacing-wide:   0.05em;
  --letter-spacing-widest: 0.1em;

  /* ============================================================
     ESPAÇAMENTO (base 8px)
     ============================================================ */

  --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;
  --space-32:   8rem;

  /* ============================================================
     LAYOUT
     ============================================================ */

  --container-xl:    1280px;
  --container-2xl:   1400px;
  --header-height:   72px;

  /* ============================================================
     BORDAS & RAIOS
     ============================================================ */

  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-2xl:  24px;
  --radius-full: 9999px;

  /* ============================================================
     SOMBRAS
     ============================================================ */

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.10), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:  0 4px 6px -1px rgba(0,0,0,0.10), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg:  0 10px 15px -3px rgba(0,0,0,0.10), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl:  0 20px 25px -5px rgba(0,0,0,0.10), 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 4px 20px rgba(27,79,114,0.30);
  --shadow-accent:  0 4px 20px rgba(230,126,34,0.40);

  /* ============================================================
     TRANSIÇÕES
     ============================================================ */

  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;
  --transition-bounce: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ============================================================
     Z-INDEX
     ============================================================ */

  --z-dropdown:  100;
  --z-sticky:    200;
  --z-overlay:   300;
  --z-modal:     400;
  --z-toast:     500;
}