/* ============================================================
   MÍDIA 43 — Design Tokens / CSS Custom Properties
   ============================================================ */

:root {
  /* --- Brand Colors --- */
  --color-bg-primary:    #0A0A0A;
  --color-bg-secondary:  #111111;
  --color-bg-card:       #1A1A1A;
  --color-bg-card-hover: #222222;
  --color-border:        rgba(255, 255, 255, 0.08);
  --color-border-accent: rgba(34, 197, 94, 0.35);

  --color-text-primary:   #FFFFFF;
  --color-text-secondary: #9CA3AF;
  --color-text-muted:     #6B7280;

  --color-accent:       #22C55E;
  --color-accent-dark:  #16A34A;
  --color-accent-light: #4ADE80;
  --color-accent-glow:  rgba(34, 197, 94, 0.18);
  --color-accent-subtle:rgba(34, 197, 94, 0.08);

  /* --- Typography --- */
  --font-family:      'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-size-xs:     0.75rem;   /* 12px */
  --font-size-sm:     0.875rem;  /* 14px */
  --font-size-base:   1rem;      /* 16px */
  --font-size-lg:     1.125rem;  /* 18px */
  --font-size-xl:     1.25rem;   /* 20px */
  --font-size-2xl:    1.5rem;    /* 24px */
  --font-size-3xl:    1.875rem;  /* 30px */
  --font-size-4xl:    2.25rem;   /* 36px */
  --font-size-5xl:    3rem;      /* 48px */
  --font-size-6xl:    3.75rem;   /* 60px */

  --font-weight-regular: 400;
  --font-weight-medium:  500;
  --font-weight-semibold:600;
  --font-weight-bold:    700;
  --font-weight-black:   900;

  --line-height-tight:  1.2;
  --line-height-normal: 1.6;
  --line-height-relaxed:1.8;

  /* --- 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;

  /* --- Layout --- */
  --container-max: 1280px;
  --container-pad: clamp(1rem, 5vw, 2rem);
  --nav-height:    72px;

  /* --- Borders & Radius --- */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full:9999px;

  /* --- Shadows --- */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.5);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.6);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.7);
  --shadow-accent: 0 0 24px rgba(34, 197, 94, 0.25);

  /* --- Transitions --- */
  --transition-fast:   0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow:   0.4s ease;

  /* --- Z-Index Scale --- */
  --z-below:  -1;
  --z-base:    0;
  --z-raised:  10;
  --z-overlay: 100;
  --z-nav:     200;
  --z-modal:   300;
  --z-toast:   400;
}