/**
 * ===========================================
 * LANDING PAGE - SISTEMA DE DISEÑO
 * ===========================================
 *
 * Este archivo contiene todas las variables CSS
 * para la landing page de OKBuilder.
 *
 * IMPORTANTE: Para cambiar colores de marca,
 * modificar solo la sección "COLORES DE MARCA"
 *
 * ===========================================
 */

:root {
  /*===========================================
   * COLORES DE MARCA - MODIFICAR AQUÍ PARA REBRANDING
   *===========================================*/

  /* Color principal de marca */
  --landing-primary: #1a1a1a;
  --landing-primary-hover: #333333;
  --landing-primary-active: #000000;

  /* Color de acento (links, CTAs secundarios) */
  --landing-accent: #4a90d9;
  --landing-accent-hover: #3a7bc8;
  --landing-accent-active: #2d6cb5;

  /*===========================================
   * ESCALA DE GRISES
   *===========================================*/

  --landing-black: #1a1a1a;
  --landing-gray-900: #333333;
  --landing-gray-800: #444444;
  --landing-gray-700: #555555;
  --landing-gray-600: #666666;
  --landing-gray-500: #888888;
  --landing-gray-400: #aaaaaa;
  --landing-gray-300: #cccccc;
  --landing-gray-200: #e5e5e5;
  --landing-gray-100: #f5f5f5;
  --landing-gray-50: #fafafa;
  --landing-white: #ffffff;

  /*===========================================
   * COLORES SEMÁNTICOS
   *===========================================*/

  /* Texto */
  --landing-text-primary: var(--landing-black);
  --landing-text-secondary: var(--landing-gray-700);
  --landing-text-tertiary: var(--landing-gray-500);
  --landing-text-muted: var(--landing-gray-400);
  --landing-text-inverse: var(--landing-white);

  /* Fondos */
  --landing-bg-primary: var(--landing-white);
  --landing-bg-secondary: var(--landing-gray-100);
  --landing-bg-tertiary: var(--landing-gray-50);
  --landing-bg-dark: var(--landing-gray-900);

  /* Bordes */
  --landing-border-light: var(--landing-gray-200);
  --landing-border-default: var(--landing-gray-300);
  --landing-border-dark: var(--landing-gray-400);

  /*===========================================
   * ESTADOS Y FEEDBACK
   *===========================================*/

  --landing-success: #28a745;
  --landing-success-light: #d4edda;
  --landing-warning: #ffc107;
  --landing-warning-light: #fff3cd;
  --landing-error: #dc3545;
  --landing-error-light: #f8d7da;
  --landing-info: #17a2b8;
  --landing-info-light: #d1ecf1;

  /*===========================================
   * TIPOGRAFÍA - MODIFICAR FUENTE AQUÍ
   *===========================================*/

  /* Familia de fuentes */
  --landing-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --landing-font-family-heading: var(--landing-font-family);
  --landing-font-family-mono: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', monospace;

  /* Escala tipográfica (Mobile first) */
  --landing-font-size-xs: 0.75rem;     /* 12px */
  --landing-font-size-sm: 0.875rem;    /* 14px */
  --landing-font-size-base: 1rem;      /* 16px */
  --landing-font-size-lg: 1.125rem;    /* 18px */
  --landing-font-size-xl: 1.25rem;     /* 20px */
  --landing-font-size-2xl: 1.5rem;     /* 24px */
  --landing-font-size-3xl: 1.875rem;   /* 30px */
  --landing-font-size-4xl: 2.25rem;    /* 36px */
  --landing-font-size-5xl: 3rem;       /* 48px */

  /* Pesos tipográficos */
  --landing-font-weight-normal: 400;
  --landing-font-weight-medium: 500;
  --landing-font-weight-semibold: 600;
  --landing-font-weight-bold: 700;

  /* Altura de línea */
  --landing-line-height-tight: 1.25;
  --landing-line-height-normal: 1.5;
  --landing-line-height-relaxed: 1.75;

  /* Espaciado de letras */
  --landing-letter-spacing-tight: -0.025em;
  --landing-letter-spacing-normal: 0;
  --landing-letter-spacing-wide: 0.025em;

  /*===========================================
   * ESPACIADO
   *===========================================*/

  --landing-space-0: 0;
  --landing-space-1: 0.25rem;    /* 4px */
  --landing-space-2: 0.5rem;     /* 8px */
  --landing-space-3: 0.75rem;    /* 12px */
  --landing-space-4: 1rem;       /* 16px */
  --landing-space-5: 1.25rem;    /* 20px */
  --landing-space-6: 1.5rem;     /* 24px */
  --landing-space-8: 2rem;       /* 32px */
  --landing-space-10: 2.5rem;    /* 40px */
  --landing-space-12: 3rem;      /* 48px */
  --landing-space-16: 4rem;      /* 64px */
  --landing-space-20: 5rem;      /* 80px */
  --landing-space-24: 6rem;      /* 96px */

  /*===========================================
   * BORDES
   *===========================================*/

  --landing-border-width: 1px;
  --landing-border-width-2: 2px;

  --landing-radius-none: 0;
  --landing-radius-sm: 4px;
  --landing-radius-md: 8px;
  --landing-radius-lg: 12px;
  --landing-radius-xl: 16px;
  --landing-radius-2xl: 24px;
  --landing-radius-full: 9999px;

  /*===========================================
   * SOMBRAS
   *===========================================*/

  --landing-shadow-none: none;
  --landing-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --landing-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --landing-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --landing-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --landing-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --landing-shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

  /*===========================================
   * TRANSICIONES
   *===========================================*/

  --landing-transition-fast: 150ms ease;
  --landing-transition-normal: 250ms ease;
  --landing-transition-slow: 350ms ease;

  /*===========================================
   * LAYOUT
   *===========================================*/

  --landing-container-max: 1200px;
  --landing-container-padding: 1rem;

  /* Ancho del topbar */
  --landing-topbar-height: 72px;
  --landing-topbar-height-mobile: 64px;

  /*===========================================
   * Z-INDEX
   *===========================================*/

  --landing-z-dropdown: 1000;
  --landing-z-sticky: 1020;
  --landing-z-fixed: 1030;
  --landing-z-modal-backdrop: 1040;
  --landing-z-modal: 1050;
  --landing-z-popover: 1060;
  --landing-z-tooltip: 1070;
}

/*===========================================
 * MEDIA QUERY ADJUSTMENTS
 * Ajustes para pantallas más grandes
 *===========================================*/

@media (min-width: 768px) {
  :root {
    --landing-container-padding: 1.5rem;
    --landing-font-size-3xl: 2rem;      /* 32px */
    --landing-font-size-4xl: 2.5rem;    /* 40px */
    --landing-font-size-5xl: 3.5rem;    /* 56px */
  }
}

@media (min-width: 992px) {
  :root {
    --landing-container-padding: 2rem;
  }
}