:root{--primary-color:#0052cc;--secondary-color:#333;--text-color:#222;--background-color:#f0f5f5;--accent-color:#f5f5f5;--link-color:#0066cc;--header-height:400px;--font-family-primary:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;--font-family-heading:'IBM Plex Serif', Georgia, serif;--font-family-code:'JetBrains Mono', monospace;--font-size-base:16px;--font-size-sm:14px;--font-size-lg:18px;--font-size-xl:24px;--font-size-xxl:32px;--line-height-base:1.6;--line-height-heading:1.2;--spacing-xs:0.5rem;--spacing-sm:1rem;--spacing-md:2rem;--spacing-lg:3rem;--spacing-xl:4rem;--container-width:1200px;--border-radius:4px;--box-shadow:0 2px 4px rgba(0, 0, 0, 0.1);--transition-base:all 0.3s ease;--max-width:1400px}