:root{--color-primary: #6366F1;--color-secondary: #8B5CF6;--color-accent: #06B6D4;--color-background: #FAFBFC;--color-text: #1E293B;--font-heading: "Inter", system-ui, sans-serif;--font-body: "Inter", system-ui, sans-serif;--radius: 12px;--spacing: 1.5rem}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-body);color:var(--color-text);background:var(--color-background);line-height:1.6}h1,h2,h3,h4{font-family:var(--font-heading);line-height:1.15}a{color:var(--color-primary);text-decoration:none}