/* ============================================================
   FOTERMA — Design Tokens
   Colores, tipografía, espaciado y efectos corporativos
   ============================================================ */

:root {

  /* ----------------------------------------------------------
     COLORES DE MARCA
     ---------------------------------------------------------- */
  --color-primary:            #178D82;
  --color-primary-dark:       #0f6d63;
  --color-primary-light:      #1fada0;
  --color-primary-ultra-light:#e6f4f3;

  /* Textos */
  --color-title:              #333333;
  --color-subtitle:           #AAAAAA;
  --color-text:               #666666;
  --color-text-muted:         #999999;
  --color-white:              #FFFFFF;

  /* Fondos de sección */
  --color-bg-white:           #FFFFFF;
  --color-bg-light:           #F8F9F9;
  --color-bg-dark:            #1C2B3A;
  --color-bg-footer:          #1a2535;

  /* UI */
  --color-border:             #E8ECEF;
  --color-input-bg:           #F5F7F7;
  --color-overlay:            rgba(15, 30, 45, 0.72);

  /* Marca terceros */
  --color-whatsapp:           #25D366;
  --color-facebook:           #1877F2;
  --color-instagram:          #E4405F;

  /* ----------------------------------------------------------
     TIPOGRAFÍA
     ---------------------------------------------------------- */
  --font-heading: 'Montserrat', 'Segoe UI', Arial, sans-serif;
  --font-body:    'Open Sans', 'Segoe UI', Arial, sans-serif;

  /* Tamaños (escala modular 1.25) */
  --size-xs:   0.75rem;    /* 12px */
  --size-sm:   0.875rem;   /* 14px */
  --size-base: 1rem;       /* 16px */
  --size-md:   1.125rem;   /* 18px */
  --size-lg:   1.25rem;    /* 20px */
  --size-xl:   1.5rem;     /* 24px */
  --size-2xl:  1.875rem;   /* 30px */
  --size-3xl:  2.25rem;    /* 36px */
  --size-4xl:  3rem;       /* 48px */
  --size-5xl:  3.75rem;    /* 60px */

  /* Pesos */
  --weight-regular:   400;
  --weight-medium:    500;
  --weight-semibold:  600;
  --weight-bold:      700;
  --weight-extrabold: 800;

  /* Altura de línea */
  --leading-tight:   1.2;
  --leading-snug:    1.4;
  --leading-normal:  1.6;
  --leading-relaxed: 1.8;

  /* ----------------------------------------------------------
     ESPACIADO (base 4px)
     ---------------------------------------------------------- */
  --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-16: 4rem;      /* 64px */
  --space-20: 5rem;      /* 80px */
  --space-24: 6rem;      /* 96px */

  /* ----------------------------------------------------------
     EFECTOS
     ---------------------------------------------------------- */

  /* Sombras */
  --shadow-sm:      0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:      0 4px 16px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.06);
  --shadow-lg:      0 8px 32px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.07);
  --shadow-xl:      0 16px 48px rgba(0,0,0,0.16);
  --shadow-primary: 0 8px 24px rgba(23,141,130,0.35);

  /* Radios */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   20px;
  --radius-2xl:  28px;
  --radius-full: 9999px;

  /* Transiciones */
  --transition-fast:   150ms ease;
  --transition-base:   300ms ease;
  --transition-slow:   500ms ease;
  --transition-bounce: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ----------------------------------------------------------
     LAYOUT
     ---------------------------------------------------------- */
  --container-max:         1200px;
  --header-height:         80px;
  --header-height-scrolled: 64px;
  --section-padding-y:     var(--space-24);
}