:root {
    /* === Colores principales === */
    --color-primary: #5B7F95;
    --color-primary-dark: #3D5A6E;
    --color-primary-light: #7BA7BC;
    --color-secondary: #8B6F4E;
    --color-accent: #D4A574;

    /* === Semanticos === */
    --color-success: #6B9B7D;
    --color-warning: #D4A043;
    --color-danger: #C75B5B;
    --color-info: #7BA7BC;

    /* === Neutrales === */
    --color-bg: #FAFAF8;
    --color-bg-card: #FFFFFF;
    --color-bg-elevated: #F5F0EB;
    --color-text-primary: #1A1A1A;
    --color-text-secondary: #6B7280;
    --color-text-muted: #9CA3AF;
    --color-border: #E5E2DD;
    --color-border-focus: #5B7F95;
    --color-divider: #F0EDE8;

    /* === Gradientes === */
    --gradient-primary: linear-gradient(135deg, #5B7F95 0%, #3D5A6E 100%);
    --gradient-warm: linear-gradient(135deg, #D4A574 0%, #8B6F4E 100%);
    --gradient-card: linear-gradient(135deg, #F5F0EB 0%, #EDE7E0 100%);
    --gradient-hero: linear-gradient(160deg, #F5F0EB 0%, #E8E0D8 50%, #D4C8BB 100%);

    /* === Sombras === */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-elevated: 0 12px 32px rgba(0, 0, 0, 0.10);
    --shadow-button: 0 2px 4px rgba(0, 0, 0, 0.10);

    /* === Tipografia === */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* === Espaciado === */
    --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;

    /* === Bordes === */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* === Touch targets === */
    --touch-min: 44px;
    --touch-comfortable: 48px;
    --touch-senior: 56px;

    /* === Transiciones === */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

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