:root{--color-brand:#ff6b2c;--color-brand-hover:#e85b1f;--color-brand-soft:#ffe7db;--color-blue:#0967d8;--color-blue-hover:#0757b6;--color-sky:#dff6ff;--color-sky-strong:#c9effa;--color-bg-page:#eeeeee;--color-bg-surface:#ffffff;--color-bg-muted:#f7f7f7;--color-footer:#252525;--color-footer-deep:#171717;--color-text:#5e6772;--color-text-strong:#222831;--color-text-muted:#8a95a3;--color-border:#d8d8d8;--color-border-strong:#bdbdbd;--shadow-card:0 2px 8px rgba(20,20,20,0.16);--shadow-button:0 3px 8px rgba(9,103,216,0.3);--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--radius-pill:999px;--container-wide:1360px;--container-page:1320px;--container-article:650px;--font-body:Arial,Helvetica,sans-serif;--font-heading:Arial,Helvetica,sans-serif;--text-xs:0.75rem;--text-sm:0.875rem;--text-base:1rem;--text-md:1.0625rem;--text-lg:1.25rem;--text-xl:1.55rem;--text-2xl:2rem;--text-hero:clamp(2rem,4vw,3rem);--leading-tight:1.18;--leading-heading:1.28;--leading-body:1.7;--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;--header-height:76px;--breakpoint-mobile:760px;--breakpoint-tablet:980px}