/* ============================================================
   variables.css — Tokens de diseño (colores, tipografía, espaciado)
   ============================================================ */
:root {
  /* Paleta — identidad de marca: rojo, negro y blanco */
  --color-primary: #2b2b2b;
  --color-primary-dark: #1a1a1a;
  --color-surface-dark: #3a3a3a;
  --color-secondary: #e63946;
  --color-accent: #c8102e;
  --color-accent-dark: #9e0c24;
  --color-accent-soft: #fbe3e7;

  /* Neutros */
  --color-text: #1a1a1a;
  --color-text-muted: #5c5c5c;
  --color-text-subtle: #8a8a8a;
  --color-text-on-dark: #f5f5f5;
  --color-text-on-dark-muted: #b8b8b8;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f5f5;
  --color-border: #d9d9d9;
  --color-border-dark: rgba(255, 255, 255, 0.14);
  --color-white: #ffffff;

  /* Estados */
  --color-error: #d63031;
  --color-success: #2e7d32;

  /* Tipografía */
  --font-heading: "Archivo", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.5rem;
  --fs-xl: 2rem;
  --fs-hero: clamp(2rem, 5vw, 3.25rem);

  /* Espaciado */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Layout */
  --container-max: 1140px;
  --container-pad: 1.25rem;
  --header-h: 72px;

  /* Bordes y sombras */
  --radius-sm: 6px;
  --radius-md: 12px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);

  /* Transiciones */
  --transition: 0.25s ease;
}