:root{--color-bg: #ffffff;--color-bg-secondary: #f5f5f5;--color-bg-code: #f5f5f5;--color-text: #111111;--color-text-secondary: #525252;--color-accent: #111111;--color-accent-hover: #333333;--color-border: #e5e5e5;--color-border-code: #d4d4d4;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", "Fira Code", "Fira Mono", "Monaco", "Consolas", monospace;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .06)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.6;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}a{color:var(--color-accent);text-decoration:none}a:hover{color:var(--color-accent-hover);text-decoration:underline}.footer a:hover,.nav a:hover{text-decoration:none}h1,h2,h3{font-weight:600;line-height:1.3;color:var(--color-text)}h1{font-size:clamp(2rem,5vw,3rem);margin:0 0 1rem}h2{font-size:1.75rem;margin:3rem 0 1rem;padding-bottom:.5rem}h3{font-size:1.25rem;margin:1.5rem 0 .5rem}p{margin:0 0 1rem;color:var(--color-text-secondary)}.code-block{background:var(--color-bg-code);border:1px solid var(--color-border-code);border-radius:var(--radius);padding:1rem 1.25rem;font-family:var(--font-mono);font-size:.9rem;overflow-x:auto;margin:1rem 0}