:root {
  /* Paleta cromática principal (Esquema Claro) */
  --bg-dark: #ffffff;
  --bg-surface: #f1f5f9;
  --bg-surface-elevated: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: rgba(241, 245, 249, 0.95);

  /* Acentos de marca (Azul Institucional) */
  --primary: #2563eb;
  --primary-glow: rgba(37, 99, 235, 0.15);
  --primary-hover: #1d4ed8;
  --secondary: #0ea5e9;
  --secondary-glow: rgba(14, 165, 233, 0.15);
  --accent: #3b82f6;
  --accent-gradient: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
  --accent-gradient-hover: linear-gradient(135deg, #1d4ed8 0%, #0284c7 100%);
  --accent-purple-gradient: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);

  /* Textos y contraste (Oscuro sobre Claro) */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  /* Bordes y divisiones sutiles */
  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-focus: rgba(37, 99, 235, 0.5);
  --border-card: rgba(15, 23, 42, 0.06);

  /* Sombras y elevaciones (Suaves para fondo claro) */
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -1px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -2px rgba(15, 23, 42, 0.06);
  --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.12);
  --shadow-glow-cyan: 0 0 20px rgba(14, 165, 233, 0.12);

  /* Radios de borde */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Tipografía */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Transiciones */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Espaciados de contenedores */
  --container-max-w: 1240px;
  --container-narrow-w: 960px;
  --header-height: 80px;
}