/* ========================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ======================================== */

:root {
  /* === TYPOGRAPHY === */
  
  /* Playfair Display - Tipografía principal */
  --font-primary: "Big Shoulders", sans-serif;
  --font-primary-weight-regular: 400;
  --font-primary-weight-medium: 500;
  --font-primary-weight-semibold: 600;
  --font-primary-weight-bold: 700;
  --font-primary-weight-extrabold: 800;
  --font-primary-weight-black: 900;
  
  /* Instrument Serif - Tipografía secundaria */
  --font-secondary: "Instrument Serif", serif;
  --font-secondary-weight-regular: 400;
  
  /* === COLOR PALETTE === */
  
  /* Base Colors */
  --color-black: #000000;
  --color-white: #ffffff;
  --color-gray-900: #0a0a0a;
  --color-gray-800: #1a1a1a;
  --color-gray-700: #2a2a2a;
  --color-gray-600: #3a3a3a;
  --color-gray-500: #5a5a5a;
  --color-gray-400: #7a7a7a;
  --color-gray-300: #9a9a9a;
  --color-gray-200: #bababa;
  --color-gray-100: #dadada;
  
  /* Neural Network Colors */
  --color-neural-primary: #ffffff;
  --color-neural-secondary: #f8f8f8;
  --color-neural-accent: #e8e8e8;
  --color-neural-glow: rgba(255, 255, 255, 0.6);
  --color-neural-dim: rgba(255, 255, 255, 0.2);
  --color-neural-subtle: rgba(255, 255, 255, 0.1);
  
  /* Status Colors */
  --color-success: #00ff88;
  --color-warning: #ffaa00;
  --color-error: #ff4444;
  --color-info: var(--color-neural-primary);
  
  /* === SPACING === */
  --space-xs: 0.25rem;   /* 4px */
  --space-sm: 0.5rem;    /* 8px */
  --space-md: 1rem;      /* 16px */
  --space-lg: 1.5rem;    /* 24px */
  --space-xl: 2rem;      /* 32px */
  --space-2xl: 3rem;     /* 48px */
  --space-3xl: 4rem;     /* 64px */
  --space-4xl: 6rem;     /* 96px */
  --space-5xl: 8rem;     /* 128px */
  --space-6xl: 12rem;    /* 192px */
  
  /* === FONT SIZES === */
  --text-xs: 0.875rem;   /* 14px - was 12px */
  --text-sm: 1rem;       /* 16px - was 14px */
  --text-base: 1.125rem; /* 18px - was 16px */
  --text-lg: 1.25rem;    /* 20px - was 18px */
  --text-xl: 1.375rem;   /* 22px - was 20px */
  --text-2xl: 1.625rem;  /* 26px - was 24px */
  --text-3xl: 2rem;      /* 32px - was 30px */
  --text-4xl: 2.5rem;    /* 40px - was 36px */
  --text-5xl: 3.25rem;   /* 52px - was 48px */
  --text-6xl: 4rem;      /* 64px - was 60px */
  --text-7xl: 5rem;      /* 80px - was 72px */
  --text-8xl: 6.5rem;    /* 104px - was 96px */
  
  /* === LINE HEIGHTS === */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  /* === BORDER RADIUS === */
  --radius-none: 0;
  --radius-sm: 0.125rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;
  
  /* === SHADOWS === */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-neural: 0 0 20px var(--color-neural-glow);
  --shadow-neural-intense: 0 0 40px var(--color-neural-glow);
  
  /* === LAYOUT === */
  --container-xs: 20rem;     /* 320px */
  --container-sm: 24rem;     /* 384px */
  --container-md: 28rem;     /* 448px */
  --container-lg: 32rem;     /* 512px */
  --container-xl: 36rem;     /* 576px */
  --container-2xl: 42rem;    /* 672px */
  --container-3xl: 48rem;    /* 768px */
  --container-4xl: 56rem;    /* 896px */
  --container-5xl: 64rem;    /* 1024px */
  --container-6xl: 72rem;    /* 1152px */
  --container-7xl: 80rem;    /* 1280px */
  --container-full: 100%;
  
  /* === Z-INDEX === */
  --z-auto: auto;
  --z-0: 0;
  --z-10: 10;
  --z-20: 20;
  --z-30: 30;
  --z-40: 40;
  --z-50: 50;
  --z-navbar: 1000;
  --z-modal: 2000;
  --z-tooltip: 3000;
  
  /* === TRANSITIONS === */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  --transition-all: all var(--transition-normal);
  
  /* === BREAKPOINTS === */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
  
  /* === NEURAL ANIMATION === */
  --neural-animation-speed: 2s;
  --neural-pulse-speed: 3s;
  --neural-connection-speed: 4s;
  --neural-node-size: 4px;
  --neural-line-width: 1px;
}

/* === TYPOGRAPHY UTILITY CLASSES === */

/* Big Shoulders Classes */
.big-shoulders-thin {
  font-family: "Big Shoulders", sans-serif;
  font-optical-sizing: auto;
  font-weight: 100;
  font-style: normal;
}

.big-shoulders-extralight {
  font-family: "Big Shoulders", sans-serif;
  font-optical-sizing: auto;
  font-weight: 200;
  font-style: normal;
}

.big-shoulders-light {
  font-family: "Big Shoulders", sans-serif;
  font-optical-sizing: auto;
  font-weight: 300;
  font-style: normal;
}

.big-shoulders-regular {
  font-family: "Big Shoulders", sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
}

.big-shoulders-medium {
  font-family: "Big Shoulders", sans-serif;
  font-optical-sizing: auto;
  font-weight: 500;
  font-style: normal;
}

.big-shoulders-semibold {
  font-family: "Big Shoulders", sans-serif;
  font-optical-sizing: auto;
  font-weight: 600;
  font-style: normal;
}

.big-shoulders-bold {
  font-family: "Big Shoulders", sans-serif;
  font-optical-sizing: auto;
  font-weight: 700;
  font-style: normal;
}

.big-shoulders-extrabold {
  font-family: "Big Shoulders", sans-serif;
  font-optical-sizing: auto;
  font-weight: 800;
  font-style: normal;
}

.big-shoulders-black {
  font-family: "Big Shoulders", sans-serif;
  font-optical-sizing: auto;
  font-weight: 900;
  font-style: normal;
}

/* Instrument Serif Classes */
.instrument-serif-regular {
  font-family: "Instrument Serif", serif;
  font-weight: 400;
  font-style: normal;
}

.instrument-serif-regular-italic {
  font-family: "Instrument Serif", serif;
  font-weight: 400;
  font-style: italic;
}