/* ============================================================
   DESIGN TOKENS — Escola de Condução NOBREZA
   Cores · Tipografia · Espaçamento · Sombras · Transições
   ============================================================ */

:root {

  /* ----------------------------------------------------------
     CORES
  ---------------------------------------------------------- */

  /* Base ink (azul-marinho profundo) */
  --ink:        #0E1A2B;
  --ink-soft:   #1F2D44;
  --ink-mid:    #4A5772;
  --ink-light:  #6B7A95;

  /* Paper (bege quente) */
  --paper:      #F7F4ED;
  --paper-warm: #EFE9DC;
  --paper-mid:  #E6DECE;

  /* Divisores */
  --line:       #D9D1BE;
  --line-soft:  #E8E3D8;

  /* Accent (cobre/terracota) */
  --accent:       #B8612C;
  --accent-dark:  #8E4720;
  --accent-light: #D4845A;
  --accent-soft:  #F0D5C5;

  /* Gold (detalhes premium) */
  --gold:       #C9A961;
  --gold-light: #DEC07E;
  --gold-dark:  #A88940;

  /* WhatsApp */
  --whatsapp: #25D366;

  /* Feedback */
  --success: #2D7A4F;
  --error:   #B8312C;

  /* Brancos e pretos puros (usar com moderação) */
  --white: #FFFFFF;
  --black: #000000;


  /* ----------------------------------------------------------
     TIPOGRAFIA
  ---------------------------------------------------------- */

  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'Inter Tight', 'Helvetica Neue', Arial, sans-serif;

  /* Escala de tamanhos (fluid com clamp) */
  --text-xs:   clamp(0.70rem, 0.68rem + 0.10vw, 0.75rem);
  --text-sm:   clamp(0.825rem, 0.80rem + 0.12vw, 0.875rem);
  --text-base: clamp(0.9375rem, 0.90rem + 0.19vw, 1rem);
  --text-md:   clamp(1rem,     0.96rem + 0.22vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1.05rem + 0.38vw, 1.25rem);
  --text-xl:   clamp(1.25rem,  1.14rem + 0.55vw, 1.5rem);
  --text-2xl:  clamp(1.5rem,   1.32rem + 0.90vw, 2rem);
  --text-3xl:  clamp(1.875rem, 1.56rem + 1.56vw, 2.75rem);
  --text-4xl:  clamp(2.25rem,  1.80rem + 2.25vw, 3.75rem);
  --text-5xl:  clamp(2.75rem,  2.10rem + 3.25vw, 5rem);

  /* Pesos */
  --weight-regular: 400;
  --weight-medium:  500;
  --weight-semibold: 600;
  --weight-bold:    700;

  /* Line heights */
  --leading-tight:  1.1;
  --leading-snug:   1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;

  /* Letter spacing */
  --tracking-tight:  -0.02em;
  --tracking-normal: 0em;
  --tracking-wide:   0.06em;
  --tracking-wider:  0.12em;
  --tracking-widest: 0.18em;


  /* ----------------------------------------------------------
     ESPAÇAMENTO (escala 4px base)
  ---------------------------------------------------------- */

  --space-1:   0.25rem;   /*  4px */
  --space-2:   0.5rem;    /*  8px */
  --space-3:   0.75rem;   /* 12px */
  --space-4:   1rem;      /* 16px */
  --space-5:   1.25rem;   /* 20px */
  --space-6:   1.5rem;    /* 24px */
  --space-8:   2rem;      /* 32px */
  --space-10:  2.5rem;    /* 40px */
  --space-12:  3rem;      /* 48px */
  --space-14:  3.5rem;    /* 56px */
  --space-16:  4rem;      /* 64px */
  --space-20:  5rem;      /* 80px */
  --space-24:  6rem;      /* 96px */
  --space-32:  8rem;      /* 128px */

  /* Fluid section padding */
  --section-py: clamp(4rem, 3rem + 5vw, 8rem);
  --section-px: clamp(1.25rem, 4vw, 2rem);

  /* Container */
  --container-max: 1280px;
  --container-px:  clamp(1.25rem, 5vw, 3rem);


  /* ----------------------------------------------------------
     SOMBRAS
  ---------------------------------------------------------- */

  --shadow-xs: 0 1px 2px rgba(14, 26, 43, 0.06);
  --shadow-sm: 0 2px 6px rgba(14, 26, 43, 0.08);
  --shadow-md: 0 4px 16px rgba(14, 26, 43, 0.10);
  --shadow-lg: 0 8px 32px rgba(14, 26, 43, 0.12);
  --shadow-xl: 0 16px 48px rgba(14, 26, 43, 0.15);

  --shadow-accent: 0 4px 20px rgba(184, 97, 44, 0.25);
  --shadow-ink:    0 4px 20px rgba(14, 26, 43, 0.30);


  /* ----------------------------------------------------------
     BORDAS
  ---------------------------------------------------------- */

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-full: 9999px;


  /* ----------------------------------------------------------
     TRANSIÇÕES
  ---------------------------------------------------------- */

  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:    cubic-bezier(0.4, 0, 1, 1);
  --ease-inout: cubic-bezier(0.4, 0, 0.2, 1);

  --duration-fast:   150ms;
  --duration-normal: 250ms;
  --duration-slow:   400ms;

  --transition-base:   all var(--duration-normal) var(--ease-out);
  --transition-color:  color var(--duration-fast) var(--ease-out),
                       background-color var(--duration-fast) var(--ease-out),
                       border-color var(--duration-fast) var(--ease-out);
  --transition-shadow: box-shadow var(--duration-normal) var(--ease-out);
  --transition-transform: transform var(--duration-normal) var(--ease-out);


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

  --z-below:   -1;
  --z-base:     0;
  --z-above:    1;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-overlay:  300;
  --z-modal:    400;
  --z-toast:    500;
}