/**
 * tokens.css
 * 
 * Sistema de diseño: variables CSS para el cotizador LUM360 × SpyBee.
 * 
 * FUENTES: 
 * - SpyBee: Poppins (headings), Inter (body), #FEC510 brand yellow
 * - LUM360: Engineering brand, complementary dark blue tones
 * 
 * COLORS (extracted from SpyBee website reference):
 * - SpyBee Yellow: #FEC510
 * - SpyBee Dark: #1A1918, #0B0A0A
 * - SpyBee Light: #FFFFFF, #F4F4F4
 * - LUM360 Engineering tones: deep navy complement
 */

:root {
  /* === Brand Colors === */
  --color-yellow-50: #FFF8E1;
  --color-yellow-100: #FFECAF;
  --color-yellow-200: #FED860;
  --color-yellow-300: #FEC510;
  --color-yellow-400: #EDB702;
  --color-yellow-500: #C49800;
  --color-yellow-600: #967100;

  --color-blue-900: #0B1A2E;
  --color-blue-800: #0F2440;
  --color-blue-700: #142E52;
  --color-blue-600: #1A3D6E;
  --color-blue-500: #0066CC;
  --color-blue-400: #3399FF;
  --color-blue-300: #66B4FC;
  --color-blue-200: #99CDFD;
  --color-blue-100: #CCE6FE;
  --color-blue-50: #E1F0FE;

  /* === Neutrals === */
  --color-neutral-900: #0A0A0A;
  --color-neutral-850: #111111;
  --color-neutral-800: #1A1918;
  --color-neutral-750: #222222;
  --color-neutral-700: #282828;
  --color-neutral-600: #3D3D3D;
  --color-neutral-500: #7E7E7E;
  --color-neutral-400: #A9A9A9;
  --color-neutral-300: #D4D4D4;
  --color-neutral-200: #E9E9E9;
  --color-neutral-100: #F4F4F4;
  --color-neutral-50: #FAFAFA;
  --color-white: #FFFFFF;

  /* === Semantic Colors === */
  --color-success: #22C55E;
  --color-success-bg: rgba(34, 197, 94, 0.1);
  --color-warning: #F59E0B;
  --color-warning-bg: rgba(245, 158, 11, 0.1);
  --color-error: #EF4444;
  --color-error-bg: rgba(239, 68, 68, 0.1);
  --color-info: #3B82F6;
  --color-info-bg: rgba(59, 130, 246, 0.1);

  /* === Brand Assignments === */
  --color-primary: var(--color-yellow-300);
  --color-primary-hover: var(--color-yellow-400);
  --color-primary-text: #000000;
  --color-primary-light: var(--color-yellow-100);

  --color-secondary: var(--color-blue-700);
  --color-secondary-hover: var(--color-blue-600);

  --color-bg: var(--color-neutral-800);
  --color-bg-alt: var(--color-neutral-750);
  --color-bg-card: rgba(26, 25, 24, 0.92);
  --color-bg-elevated: rgba(26, 25, 24, 0.95);
  --color-bg-section: var(--color-white);
  --color-bg-section-alt: var(--color-neutral-100);

  --color-text: var(--color-white);
  --color-text-primary: var(--color-white);
  --color-text-secondary: rgba(255, 255, 255, 0.75);
  --color-text-tertiary: rgba(255, 255, 255, 0.45);
  --color-text-dark: var(--color-neutral-900);
  --color-text-dark-secondary: var(--color-neutral-600);

  --color-border: rgba(255, 255, 255, 0.10);
  --color-border-hover: rgba(255, 255, 255, 0.20);
  --color-border-input: rgba(255, 255, 255, 0.12);
  --color-border-input-focus: var(--color-primary);

  /* === Typography === */
  --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  /* === Font Sizes === */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* === Font Weights === */
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* === Line Heights === */
  --leading-none: 1;
  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

  /* === 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 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.35);
  --shadow-xl: 0 24px 80px rgba(0, 0, 0, 0.5);
  --shadow-card: 0 5px 40px rgba(0, 0, 0, 0.10), 0 10px 100px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 0 1px var(--color-border), 0 24px 80px rgba(0, 0, 0, 0.5);
  --shadow-button: 0 2px 4px rgba(0, 0, 0, 0.10);
  --shadow-input: 0 1px 2px rgba(0, 0, 0, 0.20);

  /* === Blur === */
  --blur-sm: blur(4px);
  --blur-md: blur(8px);
  --blur-lg: blur(12px);
  --blur-xl: blur(20px);

  /* === Transitions === */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* === Z-Index === */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal-backdrop: 300;
  --z-modal: 400;
  --z-toast: 500;

  /* === Container === */
  --container-max: 1200px;
  --container-narrow: 840px;
  --container-padding: var(--space-6);

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

  /* === Section Colors === */
  --section-hero-bg: var(--color-bg);
  --section-calculator-bg: var(--color-bg-section);
  --section-methodology-bg: var(--color-bg-section-alt);

  /* === Card Styles === */
  --card-bg: var(--color-bg-card);
  --card-border: var(--color-border);
  --card-radius: var(--radius-xl);
  --card-padding: var(--space-8);

  /* === Button === */
  --btn-height: 48px;
  --btn-padding-x: 28px;
  --btn-radius: var(--radius-full);
}