/* =========================================================
   RAAF Premium — variables.css
   Design tokens: cores, tipografia, espaçamento, sombras
   ========================================================= */

:root {
  /* ---- Cores Primárias (Grafite Quente) ---- */
  --clr-black:       #1C1C1E;
  --clr-graphite:    #2C2C2E;
  --clr-graphite-2:  #3A3A3C;
  --clr-graphite-3:  #48484A;
  --clr-white:       #FFFFFF;
  --clr-off-white:   #F5F5F0;
  --clr-sand:        #EDECE6;
  --clr-gray-light:  #E5E5E0;
  --clr-gray-mid:    #B0AFA8;
  --clr-gray-dark:   #8A897F;
  --clr-gray-muted:  #6E6D64;

  /* ---- Destaque Dourado Fosco (único ponto de calor) ---- */
  --clr-accent:      #C9A96E;
  --clr-accent-soft: #D4B87A;
  --clr-accent-lite: #E0C88A;
  --clr-accent-bg:   rgba(201, 169, 110, 0.08);

  /* ---- Semânticas ---- */
  --clr-text-primary:   #1C1C1E;
  --clr-text-secondary: #6E6D64;
  --clr-text-muted:     #8A897F;
  --clr-text-invert:    #FFFFFF;
  --clr-text-invert-muted: rgba(255,255,255,0.7);
  --clr-text-invert-dim: rgba(255,255,255,0.5);
  --clr-border:         rgba(28,28,30,0.08);
  --clr-border-dark:    rgba(255,255,255,0.12);
  --clr-surface:        #FFFFFF;
  --clr-surface-dark:   #1C1C1E;

  /* ---- Tipografia ---- */
  --font-heading: 'Playfair Display', 'Times New Roman', serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* ---- Escala tipográfica ---- */
  --text-xs:   0.75rem;    /* 12px */
  --text-sm:   0.875rem;   /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg:   1.125rem;   /* 18px */
  --text-xl:   1.25rem;    /* 20px */
  --text-2xl:  1.5rem;     /* 24px */
  --text-3xl:  1.875rem;   /* 30px */
  --text-4xl:  2.25rem;    /* 36px */
  --text-5xl:  3rem;       /* 48px */
  --text-6xl:  3.75rem;    /* 60px */
  --text-7xl:  4.5rem;     /* 72px */
  --text-8xl:  6rem;       /* 96px */

  /* ---- Line-heights ---- */
  --leading-tight:  1.1;
  --leading-snug:   1.2;
  --leading-normal: 1.5;
  --leading-relaxed: 1.7;

  /* ---- Letter-spacing ---- */
  --tracking-tight:  -0.03em;
  --tracking-snug:   -0.02em;
  --tracking-normal:  0;
  --tracking-wide:    0.05em;
  --tracking-wider:   0.1em;
  --tracking-widest:  0.2em;

  /* ---- Espaçamento ---- */
  --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;
  --space-40:  10rem;
  --space-48:  12rem;

  /* ---- Seções ---- */
  --section-padding-y: clamp(4rem, 8vw, 8rem);
  --section-padding-x: clamp(1.5rem, 5vw, 5rem);

  /* ---- Container ---- */
  --container-sm:  640px;
  --container-md:  768px;
  --container-lg:  1024px;
  --container-xl:  1280px;
  --container-2xl: 1440px;
  --container-max: 1600px;

  /* ---- Bordas ---- */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  /* ---- Sombras ---- */
  --shadow-sm:  0 1px 3px rgba(28,28,30,0.08), 0 1px 2px rgba(28,28,30,0.05);
  --shadow-md:  0 4px 16px rgba(28,28,30,0.1),  0 2px 6px rgba(28,28,30,0.06);
  --shadow-lg:  0 10px 40px rgba(28,28,30,0.12), 0 4px 12px rgba(28,28,30,0.08);
  --shadow-xl:  0 20px 60px rgba(28,28,30,0.15), 0 8px 20px rgba(28,28,30,0.1);
  --shadow-2xl: 0 40px 80px rgba(28,28,30,0.2);
  --shadow-accent: 0 8px 32px rgba(201,169,110,0.25);

  /* ---- Transições ---- */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;
  --transition-slower: 600ms cubic-bezier(0.16, 1, 0.3, 1);

  /* ---- Z-index ---- */
  --z-below:   -1;
  --z-base:     0;
  --z-raised:   10;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-header:   500;
  --z-modal:    1000;
  --z-toast:    2000;

  /* ---- Header ---- */
  --header-height: 80px;
  --header-height-scrolled: 64px;
}