/* ============================================================
   QUÍMICOS FUNCIONALES — variables.css
   Design tokens del sistema
   ============================================================ */

:root {
  /* === PALETA DE COLORES === */
  --color-orange:       #F4621F;
  --color-orange-light: #FF8147;
  --color-orange-dark:  #CC4D0F;
  --color-yellow:       #FFB800;
  --color-yellow-light: #FFD14D;
  --color-navy:         #0E1D3B;
  --color-navy-mid:     #142550;
  --color-navy-light:   #1C3366;
  --color-white:        #FFFFFF;
  --color-off-white:    #F7F6F2;
  --color-gray-100:     #F0EEE9;
  --color-gray-300:     #C8C4BC;
  --color-gray-500:     #8A857C;
  --color-gray-700:     #4A463F;
  --color-gray-900:     #1A1814;
  --color-text:         #1A1814;
  --color-text-muted:   #5E5A54;

  /* === TIPOGRAFÍA === */
  --font-display:   'Barlow Condensed', sans-serif;
  --font-body:      'Barlow', sans-serif;
  --font-mono:      'Space Mono', 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:  5rem;      /* 80px */
  --text-8xl:  6.5rem;    /* 104px */

  /* === ESPACIADO === */
  --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-max:    1320px;
  --container-wide:   1080px;
  --container-narrow: 760px;
  --container-px:     clamp(1.25rem, 5vw, 3rem);

  /* === BORDES Y RADIOS === */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  /* === SOMBRAS === */
  --shadow-sm:  0 1px 3px rgba(14,29,59,0.08), 0 1px 2px rgba(14,29,59,0.06);
  --shadow-md:  0 4px 16px rgba(14,29,59,0.10), 0 2px 6px rgba(14,29,59,0.07);
  --shadow-lg:  0 12px 40px rgba(14,29,59,0.14), 0 4px 12px rgba(14,29,59,0.08);
  --shadow-xl:  0 24px 64px rgba(14,29,59,0.18);
  --shadow-orange: 0 8px 30px rgba(244,98,31,0.30);
  --shadow-navy:   0 8px 30px rgba(14,29,59,0.35);

  /* === TRANSICIONES === */
  --ease-out:   cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in:    cubic-bezier(0.64, 0, 0.78, 0);
  --ease-inout: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring:cubic-bezier(0.34, 1.56, 0.64, 1);

  --transition-fast:   150ms var(--ease-out);
  --transition-base:   300ms var(--ease-out);
  --transition-slow:   500ms var(--ease-out);
  --transition-slower: 800ms var(--ease-out);

  /* === Z-INDEX === */
  --z-below:   -1;
  --z-base:     0;
  --z-raised:   10;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-overlay:  300;
  --z-modal:    400;
  --z-toast:    500;
  --z-loader:   9999;

  /* === HEADER === */
  --header-height: 72px;

  /* === GRADIENTES === */
  --gradient-orange: linear-gradient(135deg, var(--color-orange) 0%, var(--color-orange-dark) 100%);
  --gradient-navy:   linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  --gradient-hero:   linear-gradient(160deg, rgba(14,29,59,0.92) 0%, rgba(14,29,59,0.6) 50%, rgba(244,98,31,0.25) 100%);
}

/* === MEDIA QUERIES HELPERS (en JS se lee --bp) === */
@custom-media --mobile  (max-width: 639px);
@custom-media --tablet  (min-width: 640px) and (max-width: 1023px);
@custom-media --desktop (min-width: 1024px);