:root{--paper:#f6f1e7;--paper-edge:#e6dcc9;--ink:#16130f;--ink-soft:#4a423a;--ink-faint:#7d7368;--marker:#d98324;--flag:#b23a2f;--rule:#d8cdb8}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);font-family:ui-sans-serif,system-ui,Segoe UI,Helvetica,Arial,sans-serif;font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;background-image:repeating-linear-gradient(180deg,transparent 0,transparent 31px,rgba(0,0,0,.028) 32px)}.wrap{max-width:46rem;margin:0 auto;padding:0 1.5rem}.masthead{border-bottom:2px solid var(--ink);padding:1.25rem 0;margin-bottom:4rem}.masthead .wrap{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;flex-wrap:wrap}.wordmark{font-family:ui-serif,Georgia,Times New Roman,serif;font-size:1.15rem;font-weight:700;letter-spacing:-.01em}.stamp{font-family:ui-monospace,Cascadia Mono,Menlo,Consolas,monospace;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint)}h1{font-size:clamp(2rem,5.5vw,2.9rem);line-height:1.12;letter-spacing:-.02em;font-weight:700}h1,h2{font-family:ui-serif,Georgia,Times New Roman,serif}h2{font-size:1.5rem;letter-spacing:-.01em;margin-bottom:1rem}h3{font-size:1.05rem;font-weight:700}p{color:var(--ink-soft)}section{margin-top:4rem}.lede{font-size:1.13rem;margin-top:1.5rem}.mark{background:linear-gradient(transparent 62%,rgba(217,131,36,.42) 0)}.buy-row{margin-top:2.5rem;display:flex;flex-wrap:wrap;align-items:center;gap:1rem}.buy{font:inherit;font-weight:700;background:var(--ink);color:var(--paper);border:2px solid var(--ink);border-radius:2px;padding:.85rem 1.6rem;cursor:pointer;box-shadow:4px 4px 0 var(--marker);transition:transform .08s ease,box-shadow .08s ease}.buy:hover:not(:disabled){transform:translate(2px,2px);box-shadow:2px 2px 0 var(--marker)}.buy:disabled{opacity:.55;cursor:progress}.waiting{border:2px dashed var(--rule);border-radius:2px;padding:.85rem 1.6rem}.aside,.waiting{color:var(--ink-faint)}.aside{font-family:ui-monospace,Cascadia Mono,Menlo,Consolas,monospace;font-size:.85rem}.err{margin-top:1rem;color:var(--flag)}.callout{border:2px solid var(--ink);border-radius:2px;padding:1.75rem;background:rgba(255,255,255,.5)}.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));margin-top:1.75rem}.card{border:1px solid var(--rule);border-radius:2px;padding:1.25rem;background:rgba(255,255,255,.45)}.card.paid{border:2px solid var(--marker)}.num{font-size:1.45rem;color:var(--ink)}.num,.step-no{font-family:ui-monospace,Cascadia Mono,Menlo,Consolas,monospace}.step-no{font-size:.8rem;color:var(--marker);letter-spacing:.1em}ul{list-style:none}.checks li,.refusals li{color:var(--ink-soft);padding-left:1.4rem;position:relative;margin-top:.6rem}.checks li:before{content:"+";color:var(--marker)}.checks li:before,.refusals li:before{position:absolute;left:0;font-family:ui-monospace,Menlo,Consolas,monospace}.refusals li:before{content:"x";color:var(--flag)}code{font-family:ui-monospace,Cascadia Mono,Menlo,Consolas,monospace;font-size:.88em;background:rgba(0,0,0,.05);padding:.1em .35em;border-radius:2px}footer{margin-top:5rem;border-top:1px solid var(--rule);padding:2rem 0 4rem}footer p{font-size:.88rem;color:var(--ink-faint)}a{color:var(--ink)}@media (prefers-color-scheme:dark){:root{--paper:#efe8da}}