:root{--paper: #f7f5f0;--paper-raised: #fffdf8;--ink: #191b1f;--ink-soft: #4b4f56;--ink-faint: #83878e;--rule: #d9d5cc;--rule-strong: #b9b4a8;--accent: #a3520b;--accent-ink: #7c3f08;--ok: #276b43;--bad: #a3312b;--mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, Menlo, monospace;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--measure: 44rem;--wide: 66rem}*{box-sizing:border-box}html{font-size:100%;-webkit-text-size-adjust:100%}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:1.0625rem;line-height:1.65;-webkit-font-smoothing:antialiased}.site-header{border-bottom:1px solid var(--rule);background:var(--paper)}.site-header .inner{max-width:var(--wide);margin:0 auto;padding:.9rem 1.25rem;display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap}.wordmark{font-family:var(--mono);font-weight:700;font-size:1rem;letter-spacing:.02em;color:var(--ink);text-decoration:none;display:inline-flex;align-items:center;gap:.55rem}.wordmark .mark{width:1.05rem;height:1.05rem;flex:none}.site-nav{margin-left:auto;display:flex;gap:1.4rem;flex-wrap:wrap}.site-nav a{color:var(--ink-soft);text-decoration:none;font-size:.9375rem}.site-nav a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}.site-nav a[aria-current=page]{color:var(--ink);font-weight:600}.site-footer{border-top:1px solid var(--rule);margin-top:5rem;padding:2.5rem 1.25rem 3.5rem;color:var(--ink-soft);font-size:.9375rem}.site-footer .inner{max-width:var(--wide);margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(11rem,1fr));gap:2rem}.site-footer h3{font-family:var(--mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.09em;color:var(--ink-faint);margin:0 0 .6rem}.site-footer ul{list-style:none;margin:0;padding:0}.site-footer li{margin:.3rem 0}.site-footer a{color:var(--ink-soft);text-decoration:none}.site-footer a:hover{color:var(--ink);text-decoration:underline}.site-footer .colophon{grid-column:1 / -1;border-top:1px solid var(--rule);padding-top:1.25rem;font-size:.875rem;color:var(--ink-faint)}main{max-width:var(--wide);margin:0 auto;padding:0 1.25rem}.prose{max-width:var(--measure)}h1{font-size:clamp(1.9rem,4.5vw,2.7rem);line-height:1.15;letter-spacing:-.015em;font-weight:700;margin:2.75rem 0 1rem}h2{font-size:1.35rem;margin:2.75rem 0 .75rem;letter-spacing:-.01em}h3{font-size:1.05rem;margin:2rem 0 .5rem}p{margin:.75rem 0}.lede{font-size:1.2rem;color:var(--ink-soft);max-width:var(--measure)}a{color:var(--accent-ink);text-underline-offset:3px}a:hover{color:var(--accent)}code,kbd{font-family:var(--mono);font-size:.875em;background:#eeeae1;padding:.1em .35em;border-radius:3px}hr{border:0;border-top:1px solid var(--rule);margin:3rem 0}.section-label{font-family:var(--mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-faint);margin:3.5rem 0 .25rem}table.spec{border-collapse:collapse;width:100%;margin:1.25rem 0;font-size:.9375rem}table.spec th,table.spec td{text-align:left;padding:.55rem .9rem .55rem 0;border-bottom:1px solid var(--rule);vertical-align:top}table.spec th{font-family:var(--mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-faint);font-weight:600}ul.tight{padding-left:1.2rem}ul.tight li{margin:.4rem 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:2.9rem;padding:.55rem 1.4rem;font-size:1.0625rem;font-family:var(--sans);font-weight:600;border-radius:4px;border:1px solid var(--ink);cursor:pointer;text-decoration:none;transition:background .12s ease,color .12s ease}.btn-primary{background:var(--ink);color:var(--paper)}.btn-primary:hover{background:#2e3238;color:var(--paper)}.btn-secondary{background:transparent;color:var(--ink)}.btn-secondary:hover{background:#ecc9ab33}.btn-quiet{border-color:var(--rule-strong);background:transparent;color:var(--ink-soft);font-weight:500;font-size:.9375rem;min-height:2.75rem}.btn-quiet:hover{color:var(--ink);border-color:var(--ink-soft)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.hero{padding:4.5rem 0 3.5rem;border-bottom:1px solid var(--rule)}.hero h1{margin-top:0;max-width:30ch}.hero .sub{font-size:1.2rem;color:var(--ink-soft);max-width:52ch;margin:1rem 0 2rem}.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}.hero-actions .btn{min-width:10.5rem;min-height:3.2rem}.hero-constraints{margin-top:2.25rem;font-family:var(--mono);font-size:.8125rem;color:var(--ink-faint);display:flex;gap:1.75rem;flex-wrap:wrap}.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:2.5rem;margin:1.5rem 0}.steps .n{font-family:var(--mono);font-size:.8125rem;color:var(--accent-ink);display:block;margin-bottom:.4rem}.steps h3{margin:0 0 .35rem}.steps p{margin:0;color:var(--ink-soft);font-size:.9688rem}.limit-list{columns:2;column-gap:3rem;padding-left:1.2rem;max-width:56rem}.limit-list li{margin:.45rem 0;break-inside:avoid;color:var(--ink-soft)}@media(max-width:40rem){.limit-list{columns:1}}details.faq{border-bottom:1px solid var(--rule);padding:.85rem 0;max-width:var(--measure)}details.faq summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:1rem}details.faq summary::-webkit-details-marker{display:none}details.faq summary:after{content:"+";font-family:var(--mono);color:var(--ink-faint)}details.faq[open] summary:after{content:"–"}details.faq p{color:var(--ink-soft)}.tool-head{padding:2.25rem 0 0}.tool-head h1{margin:0 0 .4rem;font-size:1.7rem}.tool-head p{color:var(--ink-soft);margin:0;max-width:var(--measure)}.tabs{display:inline-flex;border:1px solid var(--rule-strong);border-radius:4px;overflow:hidden;margin:1.75rem 0 1.25rem}.tabs button{font:inherit;font-weight:600;font-size:.9688rem;padding:.6rem 1.6rem;min-height:2.75rem;border:0;background:transparent;color:var(--ink-soft);cursor:pointer}.tabs button[aria-selected=true]{background:var(--ink);color:var(--paper)}.dropzone{border:1.5px dashed var(--rule-strong);border-radius:6px;background:var(--paper-raised);padding:3rem 1.5rem;text-align:center;color:var(--ink-soft);cursor:pointer;max-width:var(--measure)}.dropzone:hover,.dropzone.is-drag{border-color:var(--accent);color:var(--ink)}.dropzone strong{color:var(--ink)}.dropzone .sizes{font-family:var(--mono);font-size:.8125rem;color:var(--ink-faint);display:block;margin-top:.7rem}textarea#text-input{width:100%;max-width:var(--measure);min-height:11rem;font-family:var(--mono);font-size:.9375rem;line-height:1.5;padding:.9rem;border:1px solid var(--rule-strong);border-radius:6px;background:var(--paper-raised);color:var(--ink);resize:vertical}.notice{border-left:3px solid var(--accent);background:#f2e3cf66;padding:.8rem 1.1rem;margin:1.25rem 0;max-width:var(--measure);font-size:.9688rem}.notice-bad{border-left-color:var(--bad);background:#e8d3d166}.notice p{margin:.25rem 0}details.advanced{margin:2rem 0;max-width:var(--measure);border:1px solid var(--rule);border-radius:6px}details.advanced summary{cursor:pointer;padding:.75rem 1.1rem;font-weight:600;font-size:.9375rem;color:var(--ink-soft)}details.advanced .fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(12rem,1fr));gap:1.1rem;padding:.5rem 1.1rem 1.25rem}details.advanced label{display:block;font-family:var(--mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-faint);margin-bottom:.35rem}details.advanced select{width:100%;font:inherit;font-size:.9375rem;padding:.45rem .6rem;border:1px solid var(--rule-strong);border-radius:4px;background:var(--paper-raised);color:var(--ink)}details.advanced .field-note{font-size:.8125rem;color:var(--ink-faint);margin-top:.3rem;text-transform:none;letter-spacing:0;font-family:var(--sans)}.qr-wrap{background:#fff;border:1px solid var(--rule);border-radius:6px;padding:clamp(.5rem,2vw,1.25rem);display:flex;align-items:center;justify-content:center;margin:1.5rem 0 1rem}.qr-wrap:fullscreen{border:0;border-radius:0}.qr-wrap canvas{width:100%;max-width:min(78vh,34rem);height:auto;image-rendering:pixelated;display:block}.stage-row{display:flex;gap:.9rem;flex-wrap:wrap;align-items:center}dl.meta{display:grid;grid-template-columns:max-content 1fr;gap:.35rem 1.5rem;font-size:.9375rem;margin:1.25rem 0;max-width:var(--measure)}dl.meta dt{font-family:var(--mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-faint);padding-top:.2rem}dl.meta dd{margin:0;overflow-wrap:anywhere}.stat-line{font-family:var(--mono);font-size:.8125rem;color:var(--ink-faint);margin:.75rem 0}.video-wrap{position:relative;background:#101216;border-radius:6px;overflow:hidden;margin:1.5rem 0 1rem;max-width:var(--measure)}.video-wrap video{width:100%;display:block}.status-line{display:flex;align-items:baseline;gap:.6rem;font-size:.9688rem;margin:.75rem 0 .5rem;max-width:var(--measure)}.status-icon{font-family:var(--mono)}.status-searching{color:var(--ink-faint)}.status-locked{color:var(--ok)}.progress-track{height:.55rem;background:#e6e2d8;border-radius:999px;overflow:hidden;max-width:var(--measure)}.progress-fill{height:100%;width:0%;background:var(--ok);border-radius:999px;transition:width .2s ease}.progress-caption{font-family:var(--mono);font-size:.8125rem;color:var(--ink-soft);margin-top:.4rem}.result-card{border:1px solid var(--rule-strong);border-radius:6px;background:var(--paper-raised);padding:1.75rem;max-width:var(--measure);margin:2rem 0}.result-card h2{margin-top:0}.result-card img{display:block;max-width:100%;max-height:60vh;border:1px solid var(--rule);border-radius:4px;margin:.75rem 0}.result-card textarea{width:100%;min-height:9rem;font-family:var(--mono);font-size:.9375rem;padding:.8rem;border:1px solid var(--rule);border-radius:4px;background:#fff;margin:.75rem 0}.perm-note{font-size:.9375rem;color:var(--ink-soft);max-width:var(--measure)}article.page{padding-top:.5rem}article.page h1{max-width:26ch}article.page>p,article.page li{max-width:var(--measure)}.crumb{font-family:var(--mono);font-size:.8125rem;color:var(--ink-faint);margin-top:2.25rem}.crumb a{color:inherit}.page-date{font-family:var(--mono);font-size:.75rem;color:var(--ink-faint);margin:.25rem 0 0}figure.diagram{margin:2rem 0;max-width:52rem}figure.diagram img{width:100%;height:auto;border:1px solid var(--rule);border-radius:6px;background:var(--paper-raised);padding:.75rem;box-sizing:border-box}figure.diagram figcaption{font-family:var(--mono);font-size:.8125rem;color:var(--ink-faint);margin-top:.5rem}.cta-band{border:1px solid var(--rule-strong);border-radius:6px;padding:1.5rem 1.75rem;margin:2.5rem 0;max-width:var(--measure);background:var(--paper-raised)}.cta-band p{margin:0 0 1rem;font-weight:600}.cta-band .row{display:flex;gap:.9rem;flex-wrap:wrap}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);padding:.6rem 1rem;z-index:10}.skip-link:focus{left:.5rem;top:.5rem}@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}@media(max-width:40rem){body{font-size:1rem}table.spec{display:block;overflow-x:auto}.hero{padding-top:3rem}.hero-actions .btn{flex:1 1 100%}dl.meta{grid-template-columns:1fr;gap:.1rem 0}dl.meta dd{margin-bottom:.6rem}}