:root{--color-primary:#2563eb;--color-primary-dark:#1d4ed8;--color-primary-light:#3b82f6;--color-secondary:#64748b;--color-accent:#0ea5e9;--color-text:#1e293b;--color-text-light:#64748b;--color-text-muted:#64748b;--color-bg:#ffffff;--color-bg-alt:#f8fafc;--color-bg-dark:#0f172a;--color-border:#e2e8f0;--font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;--font-size-base:1rem;--font-size-sm:0.875rem;--font-size-xs:0.75rem;--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-size-5xl:3.5rem;--line-height-tight:1.25;--line-height-normal:1.6;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--spacing-3xl:4rem;--spacing-4xl:6rem;--container-max:1200px;--container-padding:1.5rem;--shadow-sm:0 1px 2px 0 rgb(0 0 0 / 0.05);--shadow-md:0 4px 6px -1px rgb(0 0 0 / 0.1),0 2px 4px -2px rgb(0 0 0 / 0.1);--shadow-lg:0 10px 15px -3px rgb(0 0 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