/* ==========================================================================
   AGROEMERGE - DESIGN TOKENS & CSS VARIABLES
   ========================================================================== */

:root {
  /* Brand Colors (Manual de Identidad AgroEmerge) */
  --color-primary: #2E7D32;         /* Verde Follaje / Naturaleza */
  --color-primary-dark: #1B5E20;    /* Verde Oscuro Profundo */
  --color-primary-light: #388E3C;   /* Verde Vibrante */
  --color-primary-rgb: 46, 125, 50;

  --color-accent: #7CB342;          /* Verde Brote / Precisión */
  --color-accent-light: #9CCC65;    /* Verde Claro Glow */
  --color-accent-dark: #558B2F;     /* Verde Acento Oscuro */
  --color-accent-rgb: 124, 179, 66;

  --color-earth: #8B5A2B;           /* Marrón Suelo / Experiencia */
  --color-earth-light: #A06D3B;     /* Tierra Claro */
  --color-earth-dark: #6D431D;      /* Tierra Profundo */
  --color-earth-rgb: 139, 90, 43;

  --color-navy: #0D1B2A;            /* Azul Marino Profundo / Tecnología */
  --color-navy-light: #1B2A4A;     /* Navy Intermedio */
  --color-navy-surface: #132238;    /* Navy Superficie Tarjetas */
  --color-navy-rgb: 13, 27, 42;

  --color-gray: #757575;            /* Gris Balance */
  --color-gray-light: #9E9E9E;      /* Gris Claro */
  --color-gray-border: #E2E8F0;     /* Borde Gris Sutil */
  --color-gray-dark: #424242;       /* Gris Oscuro */

  /* Neutral & Functional Colors */
  --color-white: #FFFFFF;
  --color-bg-light: #F8FAF8;        /* Fondo claro con toque verde sutil */
  --color-bg-alt: #F1F5F1;          /* Fondo alterno */
  --color-text-dark: #0D1B2A;       /* Texto principal en tema claro */
  --color-text-muted: #5A6A78;      /* Texto secundario */
  --color-text-light: #F8FAF8;      /* Texto en fondos oscuros */
  --color-text-subtle: #94A3B8;     /* Texto sutil en dark mode */

  /* Gradients */
  --grad-hero: linear-gradient(135deg, #0D1B2A 0%, #132238 60%, #1B2A4A 100%);
  --grad-green: linear-gradient(135deg, #2E7D32 0%, #7CB342 100%);
  --grad-earth: linear-gradient(135deg, #8B5A2B 0%, #A06D3B 100%);
  --grad-tech-glow: radial-gradient(circle, rgba(124, 179, 66, 0.18) 0%, rgba(13, 27, 42, 0) 70%);
  --grad-card-dark: linear-gradient(145deg, #132238 0%, #0F1D30 100%);
  --grad-card-light: linear-gradient(145deg, #FFFFFF 0%, #F8FAF8 100%);

  /* Typography */
  --font-heading: 'Exo 2', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Font Sizes */
  --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 */

  /* Spacing */
  --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;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(13, 27, 42, 0.08);
  --shadow-md: 0 4px 12px rgba(13, 27, 42, 0.1);
  --shadow-lg: 0 10px 30px rgba(13, 27, 42, 0.12);
  --shadow-xl: 0 20px 40px rgba(13, 27, 42, 0.18);
  --shadow-green: 0 8px 25px rgba(46, 125, 50, 0.25);
  --shadow-accent: 0 8px 25px rgba(124, 179, 66, 0.3);
  --shadow-dark-card: 0 12px 32px rgba(0, 0, 0, 0.35);

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-max: 1280px;
  --header-height: 80px;

  /* Video */
  --video-poster-bg: #0D1B2A;
}