:root {
  /* -----------------------------------
     🎨 PALETA PRINCIPAL (Automotive Premium Neutral)
  ----------------------------------- */
  --color-primary: #0F1113;        /* Negro carbón */
  --color-primary-light: #1A1C1F;
  --color-primary-dark: #080A0C;

  --color-secondary: #9A9EA3;      /* Gris titanio */
  --color-secondary-light: #C3C6CA;
  --color-secondary-dark: #6D7075;

  /* ⚪ ACENTO NEUTRO PREMIUM */
  --color-accent: #B5B8BD;         /* Gris aluminio */
  --color-accent-light: #D1D3D6;
  --color-accent-dark: #8E9196;

  --color-success: #6FAF8E;
  --color-warning: #D1B06B;
  --color-error:   #C15A4A;

  --color-white: #FFFFFF;
  --color-black: #000000;

  /* -----------------------------------
     🧱 FONDOS
  ----------------------------------- */
  --color-bg: #0B0D0F;
  --color-bg-light: #121417;
  --color-bg-card: #181B1F;
  --color-bg-hover: #1F2328;

  --navbar-bg: rgba(11, 13, 15, 0.88);

  /* -----------------------------------
     📝 TEXTO
  ----------------------------------- */
  --color-text: #E6E7E9;
  --color-text-muted: #A3A7AC;
  --color-text-dark: #C9CCD0;

  /* -----------------------------------
     🔥 GRADIENTES
  ----------------------------------- */
  --gradient-primary: linear-gradient(
    180deg,
    #121417 0%,
    #0B0D0F 100%
  );

  --gradient-accent: linear-gradient(
    135deg,
    #D1D3D6 0%,
    #B5B8BD 100%
  );

  --gradient-dark: linear-gradient(
    180deg,
    #181B1F 0%,
    #080A0C 100%
  );

  /* -----------------------------------
     ✨ SOMBRAS (deep & clean)
  ----------------------------------- */
  --shadow-soft: 0 6px 18px rgba(0, 0, 0, 0.4);
  --shadow-medium: 0 12px 32px rgba(0, 0, 0, 0.5);
  --shadow-strong: 0 20px 60px rgba(0, 0, 0, 0.65);

  --shadow-glow-primary: none;
  --shadow-glow-accent: 0 0 0 1px rgba(181, 184, 189, 0.4);
  --shadow-glow-secondary: none;

  /* -----------------------------------
     🟦 RADIOS
  ----------------------------------- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;
  
  /* -----------------------------------
     📏 SPACING
  ----------------------------------- */
  --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;

  /* -----------------------------------
     🔢 TIPOGRAFÍAS
  ----------------------------------- */
  --font-title: "Sora", sans-serif;
  --font-text: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;

  /* -----------------------------------
     ⚡ ANIMACIONES / TRANSICIONES
  ----------------------------------- */
  --transition-fast: 120ms ease;
  --transition-normal: 220ms ease;
  --transition-slow: 360ms ease;

  /* -----------------------------------
     🧱 BORDES
  ----------------------------------- */
  --border-light: 1px solid rgba(255, 255, 255, 0.06);
  --border-strong: 1px solid rgba(255, 255, 255, 0.14);

  /* -----------------------------------
     🔥 OPACIDADES
  ----------------------------------- */
  --opacity-10: 0.1;
  --opacity-20: 0.2;
  --opacity-40: 0.4;
  --opacity-70: 0.7;
  --opacity-90: 0.9;

  /* -----------------------------------
     🧱 CONTENEDORES
  ----------------------------------- */
  --container-sm: 540px;
  --container-md: 720px;
  --container-lg: 960px;
  --container-xl: 1140px;
  --container-2xl: 1320px;

  /* -----------------------------------
     📱 BREAKPOINTS
  ----------------------------------- */
  --bp-xs: 480px;
  --bp-sm: 640px;
  --bp-md: 768px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;
  --bp-2xl: 1536px;

  /* -----------------------------------
     🔝 Z-INDEX
  ----------------------------------- */
  --z-back: -1;
  --z-normal: 1;
  --z-dropdown: 10;
  --z-fixed: 100;
  --z-modal: 1000;
  --z-max: 9999;
}