:root {
  /* Colores */
  --color-bg: #ffffff;
  --color-surface: #f7f9fc;
  --color-surface-alt: #ffffff;
  --color-border: #dfe4ee;
  --color-text: #13294b;
  --color-text-muted: #5f718f;
  --color-primary: #1b3fa0;
  --color-primary-strong: #142f70;
  --color-secondary: #f97316;
  --color-secondary-soft: #ffe4cf;
  --color-success: #1f9d55;
  --color-warning: #f59e0b;
  --color-danger: #dc2626;
  --color-info: #0ea5e9;
  --color-whatsapp: #25d366;

  /* Tipografía */
  --font-family-base: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-family-display: "Space Grotesk", Inter, system-ui, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.375rem;

  /* Espaciado */
  --space-xxs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* Bordes y sombras */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --border-width: 1px;
  --shadow-sm: 0 4px 12px rgba(19, 41, 75, 0.06);
  --shadow-md: 0 10px 28px rgba(19, 41, 75, 0.08);
  --shadow-lg: 0 18px 48px rgba(19, 41, 75, 0.1);

  /* Breakpoints */
  --breakpoint-sm: 480px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;

  /* Estados */
  --focus-ring: 0 0 0 4px rgba(53, 105, 255, 0.16);
  --disabled-opacity: 0.5;

  /* Dark mode */
  --color-bg-dark: #07142a;
  --color-surface-dark: #0d203f;
  --color-text-dark: #eef3ff;
  --color-border-dark: rgba(255,255,255,0.12);
}

@media (prefers-reduced-motion: reduce) {
  :root {
    scroll-behavior: auto;
  }
}