:root{--bg: #F7F7F2;--fg: #111111;--subtle: #6B6B6B;--accent: #A6FF00;--accent-2: #FF4D4F;--error: #FF4D4F;--card: #FFFFFF;--border: #111111;--radius: 4px;--shadow: 6px 6px 0 #111111}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Arial,sans-serif}h1,h2,h3,h4,h5,h6{font-family:Space Grotesk,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Arial,sans-serif;font-weight:700;line-height:1.2}code,pre,.mono{font-family:IBM Plex Mono,ui-monospace,Cascadia Code,Source Code Pro,Menlo,Consolas,DejaVu Sans Mono,monospace}section{padding:4rem 2rem;max-width:1200px;margin:0 auto}@media(max-width:768px){section{padding:3rem 1.5rem}}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}@media(max-width:768px){.grid-2,.grid-3{grid-template-columns:1fr;gap:1.5rem}}.sticky-layout{display:grid;grid-template-columns:1fr 1.5fr;gap:3rem;align-items:start}.sticky-layout .sticky-left{position:sticky;top:2rem}@media(max-width:768px){.sticky-layout{grid-template-columns:1fr}.sticky-layout .sticky-left{position:static}}.space-y-2>*+*{margin-top:1rem}.space-y-4>*+*{margin-top:2rem}.space-y-8>*+*{margin-top:4rem}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:1rem}.gap-4{gap:2rem}.card{background:var(--card);border:3px solid var(--border);box-shadow:var(--shadow);border-radius:0;padding:1.5rem}.card.large{padding:2rem}.card.clickable{cursor:pointer;transition:transform .15s ease}.card.clickable:hover{transform:translate(2px,2px);box-shadow:4px 4px 0 var(--border)}.btn{display:inline-block;border:3px solid var(--border);background:var(--accent);color:#000;padding:.75rem 1.5rem;font-weight:700;font-size:1rem;box-shadow:var(--shadow);text-decoration:none;cursor:pointer;transition:transform .15s ease}.btn:hover{transform:translate(2px,2px);box-shadow:4px 4px 0 var(--border)}.btn.secondary{background:#fff}.btn.large{padding:1rem 2rem;font-size:1.125rem}.kicker{text-transform:uppercase;letter-spacing:.08em;color:var(--subtle);font-size:.875rem;font-weight:600}.pill{display:inline-block;padding:.375rem .75rem;border:2px solid var(--border);background:var(--card);font-family:IBM Plex Mono,monospace;font-size:.875rem;margin:.25rem}.code-card{background:#1a1a1a;color:#a6ff00;border:3px solid var(--border);box-shadow:var(--shadow);padding:2rem;font-family:IBM Plex Mono,monospace;font-size:1.125rem;overflow-x:auto}.code-card pre{margin:0;white-space:pre}.bar{height:28px;background:var(--accent);border:3px solid var(--border);box-shadow:var(--shadow);transition:width .3s ease}button:focus,input:focus,.btn:focus{outline:3px solid var(--accent);outline-offset:2px}.error-text{color:var(--error);font-size:.875rem;margin-top:.25rem}input.error{border-color:var(--error)}input[type=number],input[type=text]{border:3px solid var(--border);padding:.5rem;font-size:1rem;background:var(--card);font-family:IBM Plex Mono,monospace}input[type=number]:hover,input[type=text]:hover{box-shadow:2px 2px 0 var(--border)}table{width:100%;border-collapse:separate;border-spacing:0;border:3px solid var(--border);box-shadow:var(--shadow);background:var(--card)}th,td{border:2px solid var(--border);padding:.75rem;text-align:left}th{background:var(--fg);color:var(--card);font-weight:700;position:sticky;top:0;z-index:10}td{font-family:IBM Plex Mono,monospace;font-size:.875rem}.hero{min-height:80vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;position:relative;background-image:linear-gradient(rgba(17,17,17,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(17,17,17,.05) 1px,transparent 1px);background-size:40px 40px}.hero h1{font-size:clamp(2.5rem,8vw,5rem);margin:1rem 0}.hero .subcopy{font-size:clamp(1.125rem,2.5vw,1.5rem);max-width:800px;margin:1rem auto 2rem;color:var(--subtle)}.crossed{position:relative;opacity:.5}.crossed:after{content:"";position:absolute;left:0;top:50%;width:100%;height:4px;background:var(--error);transform:rotate(-5deg)}