:root{--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-heading: "Plus Jakarta Sans", var(--font-sans);--font-mono: "JetBrains Mono", monospace;--bg-primary: #0b0f19;--bg-secondary: #111827;--bg-card: rgba(17, 24, 39, .7);--text-primary: #f9fafb;--text-secondary: #9ca3af;--text-muted: #6b7280;--accent-primary: #3b82f6;--accent-hover: #2563eb;--border-color: rgba(255, 255, 255, .1);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--text-primary);font-weight:700}a{color:var(--accent-primary);text-decoration:none;transition:color .2s ease}a:hover{color:var(--accent-hover)}