:root{--color-bg:#f7f8fa;--color-surface:#fff;--color-surface-alt:#eef2f6;--color-text:#0f1720;--color-text-muted:#4a5666;--color-border:#d8dee6;--color-accent:#2a5a84;--color-accent-hover:#214768;--color-accent-soft:#eaf1f6;--color-accent-secondary:#365b5a;--color-inverse-bg:#0b1118;--color-inverse-text:#f5f7fa;--font-body:"p22-underground","P22 Underground","Avenir Next","Segoe UI",sans-serif;--font-heading:"p22-underground","P22 Underground","Avenir Next","Segoe UI",sans-serif;--font-mono-ui:"p22-underground","P22 Underground","Avenir Next","Segoe UI",sans-serif;--font-weight-body:300;--font-weight-ui:500;--font-weight-heading:700;--type-h1:clamp(2.75rem,6vw,4.5rem);--type-h2:clamp(2rem,4vw,3rem);--type-h3:1.5rem;--type-intro:1.25rem;--type-body:1.0625rem;--type-small:0.875rem;--type-mono-meta:0.8125rem}body,html{margin:0;padding:0}body,html{background:var(--color-bg)}body{min-height:100vh;color:var(--color-text);font-family:var(--font-body);font-weight:var(--font-weight-body);font-size:var(--type-body);line-height:1.65;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}a{color:var(--color-accent);-webkit-text-decoration-color:currentColor;text-decoration-color:currentColor;text-decoration-thickness:1px;text-underline-offset:.14em}a:hover{color:var(--color-accent-hover)}a:visited{color:var(--color-accent)}:where(a,button,input,select,textarea,[role=button],[tabindex]):focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}h1,h2,h3,h4{margin:0;color:var(--color-text);font-family:var(--font-heading)}h1{font-size:var(--type-h1);line-height:.95;letter-spacing:-.04em}h1,h2{font-weight:var(--font-weight-heading)}h2{font-size:var(--type-h2);line-height:1;letter-spacing:-.03em}h3{font-size:var(--type-h3);font-weight:var(--font-weight-heading);line-height:1.15;letter-spacing:-.02em}h4{font-size:1.125rem;font-weight:var(--font-weight-ui);line-height:1.2;letter-spacing:-.01em}p{margin:0 0 1rem}caption,figcaption,small{font-size:var(--type-small);line-height:1.5}code:not(pre code){font-family:var(--font-mono-ui);font-size:.85em;font-weight:var(--font-weight-body);color:var(--color-text);background:var(--color-surface-alt);border-radius:.35rem;padding:.12rem .34rem}@media (max-width:640px){body{font-size:1rem;font-weight:400}}