:root{--color-primary:#0782d0;--color-primary-dark:#0669b0;--color-primary-light:#3399D6;--color-secondary:#2c5f7f;--color-secondary-light:#3a7090;--color-red:#E42313;--color-red-dark:#C91F11;--color-text:#333333;--color-text-light:#666666;--color-text-muted:#999999;--color-bg:#f4f4f4;--color-bg-light:#f8f9fa;--color-bg-dark:#e9ecef;--color-border:#dee2e6;--color-border-light:#e9ecef;--color-white:#ffffff;--color-black:#000000;--spacing-xs:0.5rem;--spacing-sm:1rem;--spacing-md:1.5rem;--spacing-lg:2rem;--spacing-xl:3rem;--spacing-xxl:4rem;--font-family-base:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;--font-family-heading:'Segoe UI',Roboto,Arial,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:2rem;--font-size-4xl:2.5rem;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--line-height-tight:1.2;--line-height-base:1.6;--line-height-relaxed:1.8;--border-radius-sm:0.25rem;--border-radius-md:0.5rem;--border-radius-lg:1rem;--border-radius-full:9999px;--border-width:1px;--border-width-thick:2px;--shadow-sm:0 1px 2px 0 rgba(0,0,0,0.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.1),0 2px 4px -1px rgba(0,0,0,0.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -2px rgba(0,0,0,0.05);--shadow-xl:0 20px 25px -5px rgba(0,0,0,0.1),0 10px 10px -5px rgba(0,0,0,0.04);--transition-fast:150ms ease-in-out;--transition-base:300ms ease-in-out;--transition-slow:500ms ease-in-out;--container-max-width:1200px;--container-padding:1rem;--header-height:80px;--header-bg:var(--color-white);--z-index-dropdown:1000;--z-index-sticky:1020;--z-index-fixed:1030;--z-index-modal-backdrop:1040;--z-index-modal:1050;--z-index-popover:1060;--z-index-tooltip:1070}