:root{--paper:#f4f1ea;--paper-raised:#fbfaf6;--paper-sunk:#ebe6da;--ink:#1a1c21;--ink-soft:#4b4f58;--ink-faint:#6e717a;--rule:#d9d2c3;--rule-strong:#b9b09d;--accent:#2b44a8;--accent-ink:#fff;--accent-soft:#e3e7f7;--focus:#2b44a8;--go:#1c6a43;--go-soft:#e0efe5;--ask:#845400;--ask-soft:#f5e9cc;--nogo:#a1251d;--nogo-soft:#f6dfdb;--serif:"Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;--sans:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono:ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--radius:14px;--radius-sm:8px;--pill:999px;--gap:clamp(1rem, 2.5vw, 1.5rem);--section:clamp(2.5rem, 7vw, 5rem);--shadow:0 1px 0 #1a1c210a, 0 8px 24px -12px #1a1c212e;--ease:cubic-bezier(.2, .7, .2, 1)}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--paper);color:var(--ink);font:400 1rem/1.6 var(--sans);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;margin:0}h1,h2,h3{font-family:var(--serif);letter-spacing:-.01em;text-wrap:balance;margin:0 0 .6em;font-weight:600;line-height:1.15}h1{letter-spacing:-.025em;font-size:clamp(2.1rem,4.2vw + 1rem,3.9rem);line-height:1.04}h2{font-size:clamp(1.35rem,1.2vw + 1rem,1.85rem)}h3{font-size:1.15rem}p{margin:0 0 1em}a{color:var(--accent);text-underline-offset:.18em;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px}main:focus{outline:none}img,svg{max-width:100%}ul,ol{padding-left:1.2em}li+li{margin-top:.35em}.wrap{width:100%;max-width:72rem;margin-inline:auto;padding-inline:clamp(1rem,4vw,2.5rem)}.narrow{max-width:48rem}.mono,code,pre{font-family:var(--mono);font-size:.9em}.break{overflow-wrap:anywhere;word-break:break-word}.muted,.hint{color:var(--ink-faint)}.hint{margin:.35rem 0 0;font-size:.9rem}.scroll-x{-webkit-overflow-scrolling:touch;max-width:100%;overflow-x:auto}.loading{min-height:50vh}.skip{background:var(--ink);color:var(--paper);border-radius:var(--radius-sm);z-index:10;padding:.5rem .8rem;position:absolute;top:.5rem;left:-999px}.skip:focus{left:.5rem}.hdr{border-bottom:1px solid var(--rule)}.hdr-row{justify-content:space-between;align-items:center;gap:1rem;min-height:4rem;display:flex}.brand{color:var(--ink);align-items:center;gap:.6rem;text-decoration:none;display:inline-flex}.brand-name{font:600 1.35rem/1 var(--serif);letter-spacing:-.01em}.logo-tile{fill:var(--ink)}.logo-stem{fill:var(--paper)}.logo-dot{fill:#5b7cf0}.hdr-nav{align-items:center;gap:.75rem;display:flex}.hdr-link{color:var(--ink-soft);font-size:.95rem;text-decoration:none}.hdr-link:hover{color:var(--ink);text-decoration:underline}@media (width<=380px){.hdr-nav{gap:.55rem}.hdr-link{font-size:.88rem}}.lang{font:600 .8rem/1 var(--sans);letter-spacing:.06em;border:1px solid var(--rule-strong);color:var(--ink);border-radius:var(--pill);cursor:pointer;background:0 0;min-height:2.25rem;padding:.5rem .75rem}.lang:hover{background:var(--paper-sunk)}.ftr{border-top:1px solid var(--rule);margin-top:var(--section);color:var(--ink-soft);padding-block:2rem 2.5rem;font-size:.9rem}.ftr-grid{gap:.75rem;display:grid}.ftr-notice{max-width:46rem;margin:0}.ftr-meta{flex-wrap:wrap;gap:.4rem 1.25rem;margin:0;display:flex}.btn{font:600 1rem/1 var(--sans);border-radius:var(--pill);cursor:pointer;min-height:2.9rem;transition:background-color .15s var(--ease), transform .15s var(--ease);border:1px solid #0000;justify-content:center;align-items:center;gap:.4rem;padding:.85rem 1.4rem;display:inline-flex}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--accent);color:var(--accent-ink)}.btn-primary:hover:not(:disabled){background:#22388c}.btn-quiet{background:var(--paper-raised);color:var(--ink);border-color:var(--rule-strong);min-height:2.4rem;padding:.55rem .9rem;font-size:.9rem}.btn-quiet:hover{background:var(--paper-sunk)}.btn-link{color:var(--accent);font:inherit;text-underline-offset:.18em;cursor:pointer;background:0 0;border:0;padding:.5rem .25rem;text-decoration:underline}.btn-link:disabled{color:var(--ink-faint);cursor:not-allowed}.banner{background:var(--ask-soft);color:var(--ink);border-radius:var(--radius-sm);border:1px solid #e3cf9b;padding:.75rem 1rem}.problem{color:var(--nogo);background:var(--nogo-soft);border-radius:var(--radius-sm);margin:1rem 0 0;padding:.7rem .9rem}.verdict{white-space:nowrap;font:700 .95rem/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;border-radius:var(--pill);border:1.5px solid;align-items:center;gap:.45em;padding:.45em .8em;display:inline-flex}.verdict-sm{padding:.35em .6em;font-size:.72rem}.verdict-lg{border-width:2px;padding:.35em .7em;font-size:clamp(1.5rem,3vw + .8rem,2.3rem)}.verdict-mark{background:currentColor;flex:none;width:.62em;height:.62em}.verdict-go{color:var(--go);background:var(--go-soft)}.verdict-go .verdict-mark{border-radius:50%}.verdict-ask{color:var(--ask);background:var(--ask-soft)}.verdict-ask .verdict-mark{transform:rotate(45deg)scale(.85)}.verdict-no_go{color:var(--nogo);background:var(--nogo-soft)}.verdict-no_go .verdict-mark{border-radius:2px;width:.8em;height:.22em}.code{background:var(--ink);color:#eceae4;border-radius:var(--radius-sm);white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-all;margin:0 0 1rem;padding:.85rem 1rem;font-size:.85rem;line-height:1.55}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}.hero{padding-block:clamp(2rem, 6vw, 4.5rem) var(--section)}.hero-grid{grid-template-columns:minmax(0,1fr);align-items:start;gap:clamp(1.5rem,4vw,3.5rem);display:grid}.hero-copy,.hero-check{min-width:0}.lede{color:var(--ink-soft);max-width:36rem;font-size:clamp(1.05rem,.5vw + .95rem,1.25rem)}@media (width>=960px){.hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr)}.hero-copy{padding-top:.5rem;position:sticky;top:2rem}}.check{min-width:0}.check-form{background:var(--paper-raised);border:1px solid var(--rule);border-radius:var(--radius);box-shadow:var(--shadow);padding:clamp(1rem,3vw,1.6rem)}.field{min-width:0;margin:0 0 1.1rem}.field label,.field legend{margin-bottom:.4rem;padding:0;font-size:.95rem;font-weight:600;display:block}fieldset.field{border:0;margin-inline:0;padding:0}.field input,.field textarea{width:100%;max-width:100%;font:400 1rem/1.45 var(--sans);color:var(--ink);border:1px solid var(--rule-strong);border-radius:var(--radius-sm);background:#fff;padding:.7rem .8rem}.field input[type=url],#f-agent{font-family:var(--mono);font-size:.95rem}.field textarea{resize:vertical;min-height:3rem}.field input:focus-visible,.field textarea:focus-visible{outline:2px solid var(--focus);outline-offset:0;border-color:var(--focus)}.field input:disabled,.field textarea:disabled{background:var(--paper-sunk)}.chip-row{flex-wrap:wrap;gap:.45rem;display:flex}.chip{max-width:100%;display:inline-flex;position:relative}.chip input{opacity:0;cursor:pointer;margin:0;position:absolute;inset:0}.chip span{border:1px solid var(--rule-strong);border-radius:var(--pill);max-width:100%;color:var(--ink);transition:background-color .15s var(--ease), color .15s var(--ease);background:#fff;padding:.5rem .85rem;font-size:.92rem;line-height:1.25;display:inline-block}.chip:hover span{border-color:var(--ink-soft)}.chip input:checked+span{background:var(--ink);border-color:var(--ink);color:var(--paper)}.chip input:focus-visible+span{outline:2px solid var(--focus);outline-offset:2px}fieldset:disabled .chip span{opacity:.6}.more{margin:0 0 1rem}.more summary{cursor:pointer;color:var(--ink-soft);padding:.25rem 0;font-size:.92rem}.more[open] summary{margin-bottom:.75rem}.check-actions{flex-wrap:wrap;align-items:center;gap:.5rem 1rem;display:flex}.live{border:1px solid var(--rule);border-radius:var(--radius);background:var(--paper-raised);margin-top:1rem;padding:1rem 1.2rem}.live-head{margin-bottom:.5rem;font-weight:600}.live-steps{counter-reset:s;margin:0 0 .6rem;padding:0;list-style:none}.live-steps li{counter-increment:s;color:var(--ink-faint);align-items:center;gap:.6rem;margin:0;padding:.3rem 0;display:flex}.live-steps li:before{content:counter(s);width:1.6rem;height:1.6rem;font:600 .78rem/1 var(--mono);border:1px solid var(--rule-strong);background:#fff;border-radius:50%;flex:none;place-items:center;display:grid}.live-steps li.is-done{color:var(--ink-soft)}.live-steps li.is-done:before{content:"✓";background:var(--ink);color:var(--paper);border-color:var(--ink)}.live-steps li.is-now{color:var(--ink);font-weight:600}.live-steps li.is-now:before{border-color:var(--accent);color:var(--accent);animation:pulse 1.4s var(--ease) infinite}@keyframes pulse{50%{box-shadow:0 0 0 5px var(--accent-soft)}}.live-note{color:var(--ink-faint);margin:0;font-size:.88rem}.examples{flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:1rem;display:flex}.examples-head{color:var(--ink-faint);margin-right:.25rem;font-size:.9rem}.example{font:500 .9rem/1.2 var(--sans);color:var(--accent);background:var(--accent-soft);border-radius:var(--pill);cursor:pointer;border:0;max-width:100%;padding:.5rem .85rem;text-decoration:none}.example:hover{background:#d5dbf3}.example:disabled{opacity:.55;cursor:not-allowed}.band{background:var(--paper-sunk);padding-block:var(--section);border-block:1px solid var(--rule)}.eyebrow{font:600 .8rem/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:1.5rem}.three{gap:var(--gap);counter-reset:none;grid-template-columns:minmax(0,1fr);margin:0;padding:0;list-style:none;display:grid}.three li{background:var(--paper-raised);border:1px solid var(--rule);border-radius:var(--radius);min-width:0;margin:0;padding:1.25rem 1.3rem 1.1rem}.three h3{margin-bottom:.5rem;font-size:1.3rem}.three p{color:var(--ink-soft);margin:0;font-size:.95rem}.three-n{background:var(--ink);width:2rem;height:2rem;color:var(--paper);font:600 .9rem/1 var(--mono);border-radius:50%;place-items:center;margin-bottom:.9rem;display:inline-grid}@media (width>=760px){.three{grid-template-columns:repeat(3,minmax(0,1fr))}}.position{font:italic 500 clamp(1.25rem, 1.5vw + .9rem, 1.9rem)/1.3 var(--serif);border-left:3px solid var(--accent);text-wrap:balance;max-width:44rem;margin:clamp(2rem,5vw,3rem) 0 0;padding-left:1rem}.section{padding-top:var(--section)}.split{gap:.5rem var(--gap);grid-template-columns:minmax(0,1fr);display:grid}.split>*{min-width:0}@media (width>=820px){.split{grid-template-columns:minmax(0,1fr) minmax(0,2.2fr)}}.code-row{align-items:flex-start;gap:.5rem;display:flex}.code-row .code{flex:auto;min-width:0}.code-row .btn{flex:none}.tiers,.limits{margin:0}.tiers li,.limits li{padding-left:.2rem}.excerpt{border-collapse:collapse;width:100%;font-size:.92rem}.excerpt th,.excerpt td{text-align:left;border-bottom:1px solid var(--rule);white-space:nowrap;padding:.55rem .6rem}.excerpt thead th{color:var(--ink-faint);font-size:.8rem;font-weight:600}.excerpt a{text-decoration:none}.receipt-head{border-bottom:1px solid var(--rule);padding-block:clamp(1.75rem,5vw,3rem)}.tone-go{background:linear-gradient(180deg, var(--go-soft), var(--paper))}.tone-ask{background:linear-gradient(180deg, var(--ask-soft), var(--paper))}.tone-no_go{background:linear-gradient(180deg, var(--nogo-soft), var(--paper))}.receipt-for{font:600 .82rem/1.3 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);overflow-wrap:anywhere}.receipt-verdict{flex-wrap:wrap;align-items:center;gap:.75rem 1.25rem;margin:.25rem 0 1rem;display:flex}.receipt-def{min-width:0;max-width:32rem;color:var(--ink-soft);flex:16rem;margin:0}.receipt-meta{color:var(--ink-faint);flex-wrap:wrap;gap:.25rem 1rem;margin:0;font-size:.9rem;display:flex}.receipt-body{padding-top:1.5rem}.receipt-body section{margin-bottom:2rem}.receipt-body h2{font-size:1.25rem}.reason{font-size:1.1rem}.quote{background:var(--paper-raised);border:1px solid var(--rule);border-left:3px solid var(--ink);border-radius:var(--radius-sm);margin:0;padding:.9rem 1rem}.quote p{font:400 .92rem/1.6 var(--mono);overflow-wrap:anywhere;white-space:pre-wrap;margin:0}.quote cite{font:normal .8rem/1.3 var(--sans);color:var(--ink-faint);overflow-wrap:anywhere;margin-top:.5rem;display:block}.clause{margin:0 0 1.25rem}.clause figcaption{flex-wrap:wrap;align-items:center;gap:.4rem .75rem;margin-top:.5rem;font-size:.88rem;display:flex}.stance-prohibits .quote{border-left-color:var(--nogo)}.stance-restricts .quote,.stance-requires .quote{border-left-color:var(--ask)}.stance-permits .quote{border-left-color:var(--go)}.tag{font:600 .75rem/1 var(--sans);letter-spacing:.04em;text-transform:uppercase;border:1px solid var(--rule-strong);border-radius:var(--pill);padding:.3rem .55rem}.tag-quiet{border-color:var(--rule);color:var(--ink-soft)}.fold{border:1px solid var(--rule);border-radius:var(--radius-sm);background:var(--paper-raised);margin-bottom:1.5rem;padding:.75rem 1rem}.fold summary{cursor:pointer;font-weight:600}.fold[open] summary{margin-bottom:.9rem}.fold-warn{border-color:#e3cf9b}.quote-quarantine{border-left-color:var(--ask);margin-top:.75rem}.ledger{border-collapse:collapse;width:100%;margin-top:.75rem;font-size:.82rem}.ledger th,.ledger td{text-align:left;vertical-align:top;border-bottom:1px solid var(--rule);padding:.45rem .5rem}.ledger th{color:var(--ink-faint);font-weight:600;font-family:var(--sans);white-space:nowrap}.ledger td.break{min-width:12rem}.prov{border-top:1px solid var(--rule);padding-top:1.25rem;font-size:.95rem}.hash{color:var(--ink-faint);font-size:.85rem}.hash code{color:var(--ink-soft)}.receipt-links{flex-wrap:wrap;align-items:center;gap:.75rem 1.25rem;display:flex}.disclaimer{color:var(--ink-faint);border-top:1px solid var(--rule);padding-top:1rem;font-size:.88rem}.page{padding-top:clamp(1.75rem,5vw,3rem)}.page.narrow>*{max-width:46rem}.page.narrow>.trap-grid{max-width:none}.page-head{margin-bottom:1.75rem}.page-head h1{font-size:clamp(1.9rem,3vw + 1rem,3rem)}.page-head .lede{margin-bottom:.5rem}.section-tight{margin-top:clamp(1.75rem,4vw,2.5rem)}.section-tight h2,.page .section h2{font-size:clamp(1.2rem,.8vw + 1rem,1.5rem)}.page .section{padding-top:clamp(2rem,5vw,3rem)}.sr{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.legend{gap:.6rem var(--gap);grid-template-columns:minmax(0,1fr);margin:0 0 1.5rem;display:grid}.legend>div{align-items:baseline;gap:.6rem;min-width:0;display:flex}.legend dt{flex:none}.legend dd{color:var(--ink-soft);min-width:0;margin:0;font-size:.9rem}@media (width>=900px){.legend{grid-template-columns:repeat(3,minmax(0,1fr))}}.matrix-wrap{border:1px solid var(--rule);border-radius:var(--radius);background:var(--paper-raised);position:relative}.matrix-wrap:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.matrix{border-collapse:separate;border-spacing:0;width:100%;font-size:.9rem}.matrix th,.matrix td{border-bottom:1px solid var(--rule);text-align:left;white-space:nowrap;vertical-align:middle;padding:.6rem .7rem}.matrix tbody tr:last-child>*{border-bottom:0}.matrix thead th{color:var(--ink-faint);background:var(--paper-sunk);white-space:normal;min-width:5.5rem;font-size:.78rem;font-weight:600;line-height:1.25}.matrix thead th:first-child{min-width:0}.matrix tbody th{z-index:1;background:var(--paper-raised);border-right:1px solid var(--rule);font-weight:600;position:sticky;left:0}.matrix thead th:first-child{z-index:2;border-right:1px solid var(--rule);position:sticky;left:0}.matrix tbody th .mono{display:block}.matrix-group{font:400 .75rem/1.2 var(--sans);color:var(--ink-faint);margin-top:.15rem;display:block}.matrix a{border-radius:var(--pill);text-decoration:none;display:inline-block}.matrix a:hover .verdict{box-shadow:0 0 0 2px}.matrix-date{color:var(--ink-faint);font-size:.82rem}.matrix .robots-only{font:400 .7rem/1.2 var(--mono);color:var(--ink-faint);margin-top:.3rem;display:block}.matrix td.is-words{box-shadow:inset 3px 0 0 var(--accent);background:var(--accent-soft)}.baseline,.reading-cost{margin-bottom:clamp(1.25rem,3vw,1.75rem)}.baseline-figure{flex-wrap:wrap;align-items:baseline;gap:.4rem;margin:0 0 .25rem;display:flex}.baseline-num{font:700 clamp(2.4rem, 8vw, 3.4rem)/1 var(--sans);color:var(--accent)}.baseline-of{font:600 1.1rem/1 var(--mono);color:var(--ink-faint)}.matrix .muted{text-align:center;min-width:1.5rem;display:inline-block}.blocked{gap:0 var(--gap);grid-template-columns:minmax(0,1fr);margin:0;padding:0;list-style:none;display:grid}.blocked li{border-bottom:1px solid var(--rule);flex-wrap:wrap;justify-content:space-between;gap:.15rem 1rem;min-width:0;margin:0;padding:.6rem 0;display:flex}.blocked .mono{overflow-wrap:anywhere;min-width:0}.blocked-why{color:var(--ink-faint);font-size:.88rem}@media (width>=760px){.blocked{grid-template-columns:repeat(2,minmax(0,1fr))}}.data{border-collapse:collapse;width:100%;font-size:.9rem}.data th,.data td{text-align:left;border-bottom:1px solid var(--rule);white-space:nowrap;vertical-align:top;padding:.55rem .6rem}.data thead th{color:var(--ink-faint);font-size:.78rem;font-weight:600}.data .wrap-cell{white-space:normal;min-width:14rem;color:var(--ink-soft)}.data a{text-decoration:none}.is-shipped th,.is-shipped td{background:var(--accent-soft)}.tag{font:600 .7rem/1 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-left:.5rem;display:inline-block}.trap-grid{gap:var(--gap);grid-template-columns:minmax(0,1fr);margin-top:1.5rem;display:grid}.panel{background:var(--paper-raised);border:1px solid var(--rule);border-radius:var(--radius);min-width:0;box-shadow:var(--shadow);padding:clamp(1rem,3vw,1.5rem)}.panel h2{font-size:1.25rem}.panel .field textarea{font-family:var(--mono);font-size:.92rem}@media (width>=820px){.trap-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.4fr)}}.defs{padding-left:1.2rem}.defs li{margin-bottom:.4rem}.endpoints{margin:0 0 1rem}.endpoints>div{border-bottom:1px solid var(--rule);grid-template-columns:minmax(0,1fr);gap:.2rem 1rem;padding:.65rem 0;display:grid}.endpoints dt{overflow-wrap:anywhere;min-width:0;font-weight:600}.endpoints dd{color:var(--ink-soft);min-width:0;margin:0}@media (width>=680px){.endpoints>div{grid-template-columns:minmax(0,13rem) minmax(0,1fr)}}.ftr-nav{flex-wrap:wrap;gap:.4rem 1.25rem;display:flex}.ftr-nav a{color:var(--ink)}