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i{background:var(--good)}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:none}:root[data-theme=light] .panel{box-shadow:none}.auth-panel{display:flex;flex-direction:column;gap:20px;width:100%;max-width:440px;padding:28px;border-color:var(--line-strong);border-radius:var(--radius);background:var(--surface);box-shadow:none}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-soft, var(--bg))}.auth-tabs button{min-height:40px;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--muted);font:inherit;font-size:.9375rem;font-weight:600;cursor:pointer;transition:color .16s,background .16s,box-shadow .16s}.auth-tabs button:hover{color:var(--text)}.auth-tabs button[aria-selected=true]{color:var(--text);background:var(--surface);box-shadow:none}.auth-tabs button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.auth-head{display:grid;gap:4px;text-align:center}.auth-head h2{margin:0;font-size:1.5rem;letter-spacing:-.03em}.auth-head p{margin:0;color:var(--muted)}.auth-panel .input{background:var(--surface);border-color:var(--line-strong)}.auth-panel .field label{color:var(--text)}.auth-panel .input:focus-visible{border-color:var(--accent)}.auth-panel .rules{display:flex;flex-wrap:wrap;gap:6px 16px;margin:0}.auth-panel .rules li{display:inline-grid}.auth-switch{margin:auto 0 0;padding-top:4px;text-align:center;color:var(--muted);font-size:.875rem}.auth-switch button{border:0;background:none;padding:0;font:inherit;font-weight:600;color:var(--text);cursor:pointer;text-decoration:underline;text-underline-offset:3px}.auth-page{display:grid;place-items:center;padding-block:clamp(2rem,6vw,4rem)}.auth-stack{display:grid;justify-items:center;gap:1.5rem;width:100%;max-width:440px}.auth-stack>*{width:100%}.auth-points{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem 1.25rem;margin:0;padding:0;list-style:none;color:var(--muted);font-size:.8125rem;text-align:center}.auth-points li{display:flex;align-items:center;gap:.5rem}.auth-points li:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--dot-1)}.banner{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:14px 18px;border-radius:var(--radius);border:1px solid color-mix(in srgb,var(--warn) 40%,transparent);background:color-mix(in srgb,var(--warn) 7%,var(--surface))}.banner.error{border-color:color-mix(in srgb,var(--bad) 50%,transparent);background:color-mix(in srgb,var(--bad) 7%,var(--surface))}.banner.ok{border-color:color-mix(in srgb,var(--good) 45%,transparent);background:color-mix(in srgb,var(--good) 7%,var(--surface))}.chip{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font:600 .75rem var(--font-body);border:1px solid var(--line-strong);color:var(--muted);white-space:nowrap}.chip.easy{color:var(--good);border-color:color-mix(in srgb,var(--good) 45%,transparent)}.chip.medium{color:var(--amber);border-color:color-mix(in srgb,var(--amber) 50%,transparent)}.chip.hard{color:var(--accent-text);border-color:color-mix(in srgb,var(--accent-soft) 50%,transparent)}.chip.pass{color:var(--bg);background:var(--good);border-color:var(--good)}.chip.fail{color:var(--bg);background:var(--bad);border-color:var(--bad)}.header{position:sticky;top:0;z-index:30;background:var(--bg)}.header-inner{display:flex;align-items:center;gap:28px;min-height:68px}.header-nav{display:none;align-items:center;gap:2px;margin-right:auto}@media (min-width: 720px){.header-nav{display:flex}}.nav-link{display:inline-flex;align-items:center;height:36px;padding:0 12px;border-radius:var(--radius-sm);color:var(--muted);text-decoration:none;font-weight:600;font-size:.875rem;transition:color .16s,background .16s}.nav-link:hover{color:var(--text);background:var(--surface)}.nav-link[aria-current=page]{color:var(--text)}.header-end{display:flex;align-items:center;gap:8px;margin-left:auto}.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);text-decoration:none}.logo-mark{flex:none}.lm-tile{fill:var(--primary)}.lm-brace{fill:none;stroke:var(--on-primary);stroke-width:9;stroke-linecap:round;stroke-linejoin:round}.lm-d1{fill:#17a58a}.lm-d2{fill:#f0b45a}.lm-d3{fill:#5b7dff}.logo-word{font:800 1.125rem var(--font-body);letter-spacing:-.035em}.logo-word span{color:var(--muted);font-weight:700}.icon-btn{width:38px;height:38px;display:grid;place-items:center;border-radius:var(--radius-sm);border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer}.icon-btn:hover{color:var(--text);border-color:var(--line-strong);background:var(--surface)}.user-btn{display:inline-flex;align-items:center;gap:10px;height:38px;padding:0 12px 0 4px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--text);font:600 .875rem var(--font-body);cursor:pointer}.user-btn:hover{border-color:var(--line-strong);background:var(--surface)}.avatar{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--surface-3);border:1px solid var(--line-strong);font:700 .8125rem var(--font-body);color:var(--accent-text)}.menu{position:absolute;right:0;top:calc(100% + 8px);min-width:230px;padding:6px;border-radius:var(--radius);background:var(--surface-2);border:1px solid var(--line-strong);box-shadow:none;z-index:40}.menu a,.menu button{display:flex;width:100%;align-items:center;gap:8px;min-height:38px;padding:0 10px;border:0;border-radius:8px;background:none;color:var(--text);font:500 .875rem var(--font-body);text-decoration:none;text-align:left;cursor:pointer}.menu a:hover,.menu button:hover{background:var(--surface-3)}.menu hr{border:0;height:1px;background:var(--line);margin:6px 4px}.menu .who{padding:8px 10px}.menu .mobile-only{display:flex}@media (min-width: 720px){.menu .mobile-only{display:none}}.hero-center{text-align:center;justify-items:center}.hero-h1{font-size:clamp(3rem,9vw,6.5rem);letter-spacing:-.035em;line-height:1.02;font-weight:800}.hero-sub{color:var(--muted);font-size:1.125rem;max-width:540px}.shot{position:relative;width:100%;max-width:760px;margin:0 auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:none}.shot-bar{display:flex;justify-content:space-between;padding:18px 28px;border-bottom:1px solid var(--line)}.shot-body{max-width:760px;margin:0 auto;padding:36px 40px 40px;display:grid;gap:20px}.test-list{display:grid;border-top:1px solid var(--line);margin:0;padding:0;list-style:none}.test-row{position:relative;display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:32px;padding:32px 12px;border-bottom:1px solid var(--line);isolation:isolate}.test-row:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;opacity:0;transition:opacity .24s var(--ease-out);background:var(--surface)}.test-row:hover:before,.test-row:focus-within:before{opacity:1}.test-title{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.score-cell{text-align:right;min-width:96px}.score-big{font:600 2rem/1 var(--font-display);letter-spacing:-.03em}.score-big.pass{color:var(--good)}.score-big.fail{color:var(--bad)}.progress{height:4px;border-radius:99px;background:var(--surface-3);overflow:hidden}.progress>span{display:block;height:100%;width:var(--p, 0%);background:var(--accent-soft);border-radius:99px;transition:width .42s var(--ease-out)}.exam-shell{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;overflow:auto;background:var(--bg)}.exam-bar{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:20px;min-height:68px;padding:0 var(--gutter);background:var(--bg);border-bottom:1px solid var(--line)}.exam-bar .grow{flex:1;min-width:0}.exam-bar .where{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:-.005em}.exam-progress{display:none}.exam-progress>span{display:block;height:100%;width:var(--p, 0%);background:var(--accent-soft);transition:width .5s var(--ease-out)}.exam-main{position:relative;max-width:1120px;margin:0 auto;padding:56px var(--gutter) 112px}.exam-narrow{max-width:760px;margin:0 auto}.strikes{display:inline-flex;gap:5px;align-items:center}.strikes i{width:9px;height:9px;border-radius:50%;border:1.5px solid var(--line-strong)}.strikes i.on{background:var(--bad);border-color:var(--bad)}.clock{display:inline-flex;align-items:center;gap:8px;margin:0;min-width:84px;justify-content:flex-end;font:500 1rem var(--font-mono)}.clock.low{color:var(--bad)}.lock-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:90;display:grid;place-items:center;padding:16px;background:color-mix(in srgb,var(--bg) 96%,transparent)}.lock-panel{width:100%;max-width:520px;padding:32px;border:1px solid color-mix(in srgb,var(--bad) 50%,transparent);border-radius:var(--radius);background:var(--surface);box-shadow:none;display:grid;gap:16px}.rule-list{margin:0;padding:0;list-style:none;display:grid;gap:14px}.rule-list li{display:grid;grid-template-columns:24px 1fr;gap:12px}.rule-list .n{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font:600 .75rem var(--font-mono);border:1px solid var(--line-strong);color:var(--muted)}.snippet{position:relative;border:1px solid var(--line);border-radius:var(--radius);background:var(--code-bg)}.snippet pre{margin:0;padding:22px 24px;overflow-x:auto;font-size:.875rem;line-height:1.85}.snippet.copyable pre{padding-right:56px}.snippet .copy{position:absolute;top:10px;right:10px}.options{display:grid;gap:12px}.option{display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;min-height:58px;padding:12px 18px;border-radius:var(--radius);cursor:pointer;border:1px solid var(--line-strong);background:var(--surface);color:var(--text);font:500 .9375rem var(--font-mono);transition:border-color .16s,background .16s,opacity .2s}.option:hover:not(:disabled){border-color:var(--faint);background:var(--surface-2)}.option:disabled{cursor:default}.option.selected{border-color:var(--lime);background:var(--lime);color:var(--on-lime)}.option.selected .kbd{background:var(--on-lime);color:var(--lime)}.option.correct{border-color:var(--good);background:color-mix(in srgb,var(--good) 16%,var(--bg-2));animation:pop .42s var(--ease-out)}.option.wrong{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 14%,var(--bg-2))}.option.dim{opacity:.45}.option>span:first-child{overflow-wrap:anywhere}.explain{margin:0;color:var(--muted);line-height:1.6}.explain strong{font-weight:700}.explain.ok strong{color:var(--good)}.explain.no strong{color:var(--bad)}.split{display:grid;gap:20px;grid-template-columns:minmax(0,1fr)}@media (min-width: 960px){.split{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}}.task-tabs{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px}.task-tabs button{white-space:nowrap}.req-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}.req-list li{display:grid;grid-template-columns:20px 1fr;gap:12px;align-items:start;color:var(--muted)}.req-mark{width:18px;height:18px;margin-top:3px;border-radius:6px;border:1.5px solid var(--line-strong);display:grid;place-items:center;transition:background .2s,border-color .2s}.req-list li.done{color:var(--text)}.req-list li.done .req-mark{background:var(--good);border-color:var(--good);color:var(--bg)}.req-list li.pending .req-mark:after{content:"";width:4px;height:4px;border-radius:50%;background:var(--faint)}.editor{position:relative;display:grid;grid-template-columns:48px 1fr;height:360px;border:1px solid var(--line);border-radius:var(--radius);background:var(--code-bg);overflow:hidden;font-size:.875rem;line-height:1.8}.editor:focus-within{border-color:var(--accent-soft);box-shadow:none}.editor .gutter,.editor .hl,.editor textarea{padding:16px 0;margin:0;font:inherit;line-height:inherit}.editor .gutter{overflow:hidden;text-align:right;padding-right:12px;color:var(--faint);border-right:1px solid var(--line);-webkit-user-select:none;-moz-user-select:none;user-select:none;white-space:pre}.editor .stack{position:relative;min-width:0}.editor .hl,.editor textarea{position:absolute;top:0;right:0;bottom:0;left:0;padding-left:16px;padding-right:16px;-moz-tab-size:2;-o-tab-size:2;tab-size:2;white-space:pre;overflow:auto}.editor .hl{pointer-events:none;overflow:hidden;color:var(--text)}.editor:focus-within{outline:2px solid var(--accent-soft);outline-offset:2px;border-radius:var(--radius)}.editor textarea{resize:none;border:0;outline:none;background:transparent;color:transparent;caret-color:var(--accent-soft);-webkit-text-fill-color:transparent}.editor textarea::-moz-selection{background:color-mix(in srgb,var(--accent) 40%,transparent);-webkit-text-fill-color:var(--text)}.editor textarea::selection{background:color-mix(in srgb,var(--accent) 40%,transparent);-webkit-text-fill-color:var(--text)}.tok-kw{color:var(--tok-kw)}.tok-str{color:var(--tok-str)}.tok-num{color:var(--tok-num)}.tok-lit{color:var(--tok-lit)}.tok-fn{color:var(--tok-fn)}.tok-com{color:var(--tok-com);font-style:italic}.out{border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-2);overflow:hidden}.out-tabs{display:flex;border-bottom:1px solid var(--line)}.out-tabs button{min-height:42px;padding:0 18px;background:none;border:0;border-bottom:2px solid transparent;color:var(--muted);font:600 .8125rem var(--font-body);cursor:pointer}.out-tabs button[aria-selected=true]{color:var(--text);border-bottom-color:var(--accent-soft)}.out-body{min-height:150px;max-height:240px;overflow:auto;padding:14px 18px;font:.8125rem/1.7 var(--font-mono)}.log-line.warn{color:var(--warn)}.log-line.error{color:var(--bad)}.log-line.info{color:var(--tok-fn)}.test-line{display:grid;grid-template-columns:18px 1fr;gap:8px;padding:4px 0}.test-line.pass .mark{color:var(--good)}.test-line.fail .mark{color:var(--bad)}.test-line .detail{color:var(--muted);font-size:.75rem}.score-hero{font:600 clamp(4rem,14vw,6rem)/.95 var(--font-display);letter-spacing:-.03em}.breakdown{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}.kv{padding:20px 22px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface)}.kv b{display:block;font:600 1.625rem/1.2 var(--font-display);letter-spacing:-.02em}@media (min-width: 720px){.cert-score{grid-template-columns:1fr 1.2fr;gap:56px}}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}table.data{width:100%;border-collapse:collapse;min-width:640px}table.data th{text-align:left;padding:12px 16px;font:600 .75rem var(--font-body);color:var(--muted);background:var(--bg-2);border-bottom:1px solid var(--line);white-space:nowrap}table.data td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:middle}table.data tbody tr:hover{background:var(--surface)}table.data tr:last-child td{border-bottom:0}.num{text-align:right}.skeleton{border-radius:var(--radius);background:var(--surface-2);animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{50%{opacity:.55}}.empty{padding:32px 16px;text-align:center;color:var(--muted)}@media (max-width: 640px){h1{font-size:2rem}h2{font-size:1.5rem}.test-row{grid-template-columns:1fr;gap:12px;padding:24px 4px}.test-row .score-cell{text-align:left}.auth-panel{padding:20px}.shot-body{padding:24px 20px 28px}.shot-bar{padding:14px 20px}.cert-head,.cert-main,.cert-score,.cert-meta,.cert-verify{padding-left:22px;padding-right:22px}.cert-verify{flex-direction:column;align-items:flex-start}.exam-bar{gap:10px}}.agree{position:relative;display:grid;grid-template-columns:24px 1fr auto;gap:16px;align-items:center;padding:20px 22px;border:1px solid var(--line-strong);border-radius:14px;background:var(--surface);cursor:pointer;transition:border-color .2s,background .2s,box-shadow .2s}.agree:hover{border-color:var(--faint)}.agree:has(input:focus-visible){outline:2px solid var(--accent-soft);outline-offset:2px}.agree.on{border-color:var(--good);background:color-mix(in srgb,var(--good) 6%,var(--surface));box-shadow:none}.agree-box{width:24px;height:24px;border-radius:7px;border:1.5px solid var(--line-strong);display:grid;place-items:center;color:var(--bg);background:var(--bg-2);transition:background .18s var(--ease-out),border-color .18s,transform .18s var(--ease-out)}.agree.on .agree-box{background:var(--good);border-color:var(--good);transform:scale(1.06)}.agree-text{line-height:1.5}.agree-state{font:500 .8125rem var(--font-mono);color:var(--faint);white-space:nowrap}.agree-state b{font-weight:500;color:var(--bad);transition:color .2s}.agree.on .agree-state b{color:var(--good)}@media (max-width: 640px){.agree{grid-template-columns:24px 1fr}.agree-state{grid-column:2}}.run-cmd{font:500 .875rem var(--font-mono);color:var(--text)}.run-prompt{color:var(--accent-text);margin-right:6px}.run-log li.no span:first-child,.run-log li.no{color:var(--bad)}@media (max-width: 640px){.cert-run{margin:0 22px;padding:20px}}.landing-hero{position:relative}.hero-h1{font-size:clamp(3rem,8vw,5.5rem);letter-spacing:-.03em;line-height:1;font-weight:800}.hero-split{display:grid;gap:48px;align-items:center}@media (min-width: 1000px){.hero-split{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:56px}}.dotfield{display:block;width:100%;height:230px}.container .max-w-\[520px\] .dotfield{height:150px}.dotfield.skin{width:100%;height:auto;aspect-ratio:1}.cert{position:relative;width:100%;max-width:820px;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--surface);box-shadow:none;overflow:hidden}.cert-band{display:block;width:100%;height:74px;background:#15150f}.cert-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 40px 0}.verified{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;background:color-mix(in srgb,var(--good) 10%,var(--surface));border:1px solid color-mix(in srgb,var(--good) 35%,transparent);color:var(--good);font:600 .8125rem var(--font-body)}.cert-hero{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:end;padding:28px 40px 0}.cert-hero .muted{margin-top:12px}.cert-name{font:800 clamp(2.5rem,7vw,4.5rem)/1 var(--font-display);letter-spacing:-.04em;overflow-wrap:anywhere}.cert-score{margin:0;text-align:right;font:700 clamp(3rem,8vw,4.5rem)/1 var(--font-mono);letter-spacing:-.05em}.cert-score small{display:block;margin-top:8px;font:400 .75rem var(--font-mono);letter-spacing:0;color:var(--faint)}.cert-path{list-style:none;position:relative;display:grid;grid-template-columns:repeat(var(--n),1fr);margin:36px 40px 0;padding:0;text-align:center}.cert-path:before,.cert-path:after{content:"";position:absolute;top:46px;height:4px;border-radius:2px;left:calc(50% / var(--n))}.cert-path:before{right:calc(50% / var(--n));background:var(--surface-3)}.cert-path:after{width:calc((100% - 100% / var(--n)) * var(--p) / 100%);background:var(--accent)}.cert-path .node{position:relative;z-index:1;display:grid;align-content:start;justify-items:center;gap:6px}.cert-path .dot{display:grid;place-items:center;width:96px;height:96px;border-radius:50%;border:4px solid var(--c);background:var(--surface);box-shadow:none;color:var(--c);font:700 1.625rem var(--font-mono)}.cert-path .easy{--c: var(--good)}.cert-path .medium{--c: var(--amber)}.cert-path .hard{--c: var(--accent)}.cert-path .final .dot{border-color:var(--primary);background:var(--primary)}.cert-path .dot svg{display:block}.cert-path .final .lm-tile{fill:transparent}.cert-path .final .lm-brace{stroke:var(--on-primary)}.cert-path b{margin-top:6px;font:700 1.25rem var(--font-body)}.cert-path code{background:none;padding:0;color:var(--muted);font:500 .8125rem var(--font-mono);overflow-wrap:anywhere}.cert-path .sc{font:700 .9375rem var(--font-mono)}.cert-verify{display:flex;align-items:center;gap:22px;margin-top:32px;padding:22px 40px;border-top:1px solid var(--line);background:var(--bg-2)}.cert-url{margin:0;font:400 .8125rem var(--font-mono);color:var(--muted);overflow-wrap:anywhere}.cw-dots{display:inline-flex;gap:6px;margin-right:6px}.cw-dots i{width:10px;height:10px;border-radius:50%;background:#2a291f;display:block}.qr-tile{display:grid;place-items:center;padding:8px;border-radius:var(--radius-sm);background:#f7f8fb;border:1px solid var(--line-strong);flex:none}.qr-tile>div{width:100%;height:100%}.qr-tile svg{display:block;width:100%;height:100%}@media (max-width: 640px){.cert-head{padding:18px 22px 0}.cert-hero{grid-template-columns:1fr;padding:24px 22px 0}.cert-score{text-align:left}.cert-path{margin:28px 22px 0}.cert-path .dot{width:64px;height:64px;font-size:1.125rem;box-shadow:none}.cert-path .dot svg{width:32px;height:32px}.cert-path:before,.cert-path:after{top:30px}.cert-path b{font-size:1rem}.cert-path code{font-size:.6875rem}.cert-verify{flex-wrap:wrap;padding:20px 22px}}@keyframes blink{50%{opacity:0}}.loader{display:grid;gap:8px;width:100%;max-width:620px;padding:22px 24px;border-radius:14px;background:var(--code-bg);border:1px solid var(--line);font:400 .8125rem/1.75 var(--font-mono);color:var(--muted)}.loader.compact{padding:14px 16px;max-width:none;font-size:.75rem}.ld-head{margin:0;color:var(--accent-text);white-space:pre;overflow:hidden;text-overflow:clip}.ld-lines{list-style:none;margin:0;padding:0;display:grid;gap:2px;white-space:pre-wrap;overflow-wrap:anywhere}.ld-ok{color:var(--good)}.ld-wait{color:var(--warn)}.ld-pending{color:var(--text)}.loader-caret{display:inline-block;width:.55em;height:1em;margin-left:2px;background:var(--accent-soft);vertical-align:text-bottom;animation:blink 1s steps(1) infinite}.chip{font-family:var(--font-body);font-size:.75rem;font-weight:600}.meta-code{font:400 .8125rem/1.7 var(--font-mono);color:var(--faint);overflow-wrap:anywhere}::-moz-selection{background:color-mix(in srgb,var(--dot-2) 22%,transparent)}::selection{background:color-mix(in srgb,var(--dot-2) 22%,transparent)}.exam-dots{display:flex;flex-wrap:wrap;gap:7px;justify-content:center;padding:14px 20px 0}.exam-dots i{width:12px;height:12px;border-radius:50%;background:var(--surface-3);transition:background .3s var(--ease-out),transform .3s var(--ease-out)}.exam-dots i.done{background:var(--text)}.exam-dots i.cur{background:var(--lime);outline:2px solid var(--text);outline-offset:1px;transform:scale(1.3)}.cert-skin{width:170px;flex:none;border-radius:14px;background:#15150f;padding:10px}.site-footer{margin-top:clamp(96px,14vw,240px)}.site-footer-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:baseline;gap:12px 32px;padding-top:24px;padding-bottom:28px;font-size:.9375rem}.site-footer-inner p{margin:0;color:var(--muted)}.site-footer-inner nav{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 24px}.site-footer-inner nav a{color:var(--text);text-decoration:none}.site-footer-inner nav a:hover{text-decoration:underline;text-underline-offset:3px}.site-footer-inner .footer-end{justify-self:end;text-align:right}@media (max-width: 720px){.site-footer-inner{grid-template-columns:1fr}.site-footer-inner nav{justify-content:flex-start}.site-footer-inner .footer-end{justify-self:start;text-align:left}}.status-screen{display:grid;justify-items:center;gap:1.25rem;text-align:center;padding-block:clamp(3rem,10vw,6rem)}.status-art{width:min(100%,380px);height:auto;margin-bottom:.75rem}.status-copy{max-width:46ch}.status-code{padding:.4rem .75rem;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--bad);overflow-wrap:anywhere}.status-actions{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:.75rem;margin-top:.5rem}.review-item{border-radius:var(--radius);background:var(--surface)}.review-item .snippet{background:var(--bg-2)}.btn-lg{min-height:56px;padding:0 32px;font-size:1.0625rem}.hero2{position:relative;display:flex;flex-direction:column;justify-content:space-between;min-height:min(calc(100dvh - 68px),860px);padding:clamp(16px,3vw,40px) var(--gutter) clamp(28px,4vw,48px)}.hero2-h1{font-size:clamp(3.5rem,13.4vw,15.5rem);line-height:.84;letter-spacing:-.055em;text-transform:uppercase}.mask{display:block;overflow:hidden;padding-bottom:.06em}.mask>span{display:block;animation:mask-up 1s var(--ease-out) backwards}.mask:nth-child(2)>span{animation-delay:.11s}.mask:nth-child(3)>span{animation-delay:.22s}@keyframes mask-up{0%{transform:translateY(105%)}}.hero2-foot{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-top:32px}.hero2-sub{max-width:32ch;font-size:clamp(1.0625rem,1.5vw,1.375rem);line-height:1.45;color:var(--muted);animation:rise .7s var(--ease-out) .52s backwards}.hero2-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:12px;animation:rise .7s var(--ease-out) .6s backwards}.statement{background:var(--lime);color:var(--on-lime);padding:clamp(40px,6vw,96px) var(--gutter)}.statement p{margin:0;font:800 clamp(2.5rem,8vw,8rem)/.9 var(--font-display);letter-spacing:-.05em;text-transform:uppercase}.demo{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,4vw,64px);align-items:center;padding-block:clamp(80px,10vw,160px)}.demo-copy{display:grid;gap:16px}.demo-copy h2{font-size:clamp(2.25rem,4.4vw,4rem);line-height:.92}.demo-copy p{max-width:36ch;color:var(--muted);font-size:1.125rem}.demo-live{display:grid;justify-items:center}.hq{width:min(100%,560px);display:grid;gap:16px;padding:24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line-strong)}.hq-bar{display:flex;justify-content:space-between;align-items:center;gap:12px}.hq-count{font-size:.8125rem;font-weight:600;color:var(--muted);font-variant-numeric:tabular-nums}.hq-prompt{font-weight:600;font-size:1.0625rem}.hq-options{display:grid;gap:8px}.hq-option{display:flex;align-items:center;gap:14px;min-height:52px;padding:8px 14px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--bg-2);color:var(--text);font:inherit;text-align:left;cursor:pointer;transition:background .16s var(--ease-out),border-color .16s,transform .16s var(--ease-out),opacity .2s}.hq-option:hover:not(:disabled){background:var(--surface-3);transform:translate(4px)}.hq-option:active:not(:disabled){transform:translate(4px) scale(.99)}.hq-option code{font-size:.9375rem}.hq-key{display:grid;place-items:center;width:28px;height:28px;border-radius:var(--radius-sm);background:var(--surface-2);font-weight:700;font-size:.8125rem;transition:background .16s,color .16s}.hq-option.right{border-color:var(--good);background:color-mix(in srgb,var(--good) 18%,var(--bg-2))}.hq-option.right .hq-key{background:var(--good);color:var(--bg)}.hq-option.wrong{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 16%,var(--bg-2))}.hq-option.wrong .hq-key{background:var(--bad);color:var(--bg)}.hq-option.rest{opacity:.5;cursor:default}.hq-foot{display:grid;gap:12px;justify-items:start;min-height:3.5rem;font-size:.9375rem}.hq-foot>p{animation:rise .4s var(--ease-out) backwards}.cmd-section{padding-block:clamp(96px,12vw,200px) clamp(72px,9vw,160px)}.cmd-search{display:block}.cmd-search input{width:100%;height:1.9em;padding:0 .6em;border:0;border-radius:var(--radius-sm);background:var(--surface);color:var(--text);font:700 clamp(1.75rem,3vw,2.75rem)/1 var(--font-display);letter-spacing:-.03em;transition:background .16s}.cmd-search input::-moz-placeholder{color:var(--faint)}.cmd-search input::placeholder{color:var(--faint)}.cmd-search input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.cmd-rows{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:2px}.cmd-row{position:relative;display:grid;grid-template-columns:1fr auto;align-items:center;-moz-column-gap:24px;column-gap:24px;width:100%;padding:6px 20px;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--text);font:800 clamp(2.25rem,4.6vw,4.75rem)/1.08 var(--font-display);letter-spacing:-.045em;text-align:left;cursor:pointer;transition:background .22s var(--ease-out),color .22s}.cmd-row[aria-current=true]{background:var(--lime);color:var(--on-lime)}.cmd-key{display:grid;place-items:center;width:1em;height:1em;border-radius:var(--radius-sm);background:var(--surface);color:var(--muted);font:700 .42em var(--font-body);transition:background .22s,color .22s}.cmd-row[aria-current=true] .cmd-key{background:var(--on-lime);color:var(--lime)}.cmd-text{grid-column:1 / -1;padding-block:2px 12px;font:500 1.0625rem/1.5 var(--font-body);letter-spacing:0;max-width:60ch;animation:rise .36s var(--ease-out) backwards}.cmd-empty{padding:24px 20px;color:var(--muted);font-size:1.125rem}.stages{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:minmax(0,min(78svh,620px)) auto}.stages-field{display:grid;align-items:start;padding:clamp(32px,4vw,56px)}.stages-copy{background:var(--bg)}.stages-demo{place-items:center;background:var(--bg-2)}.stages-clause{max-width:10ch;font:800 clamp(2.75rem,6vw,6rem)/.92 var(--font-display);letter-spacing:-.045em;text-transform:uppercase;text-wrap:balance;animation:fade .24s ease-out backwards}.stages-frag{width:min(100%,440px);display:grid;gap:14px;padding:22px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line-strong);animation:fade .26s ease-out backwards}.st-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.st-list li{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-radius:var(--radius-sm);background:var(--bg-2);font-weight:600}.st-list li.on{background:var(--lime);color:var(--on-lime)}.st-list small{font-size:.8125rem;font-weight:600;opacity:.75}.st-card{display:grid;gap:14px}.st-q{font-weight:700}.st-opts{display:grid;grid-template-columns:1fr 1fr;gap:8px}.st-opts span{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);background:var(--bg-2)}.st-opts span.on{background:var(--lime);color:var(--on-lime)}.st-opts span.on b{background:var(--on-lime);color:var(--lime)}.st-opts b{display:grid;place-items:center;width:24px;height:24px;border-radius:var(--radius-sm);background:var(--surface-2);font-size:.8125rem}.st-tests{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:.8125rem}.st-tests li{display:flex;align-items:center;gap:10px}.st-tests i{width:16px;height:16px;border-radius:50%;background:var(--good);flex:none}.st-cert{display:grid;gap:6px;justify-items:start}.st-score{font:700 5rem/1 var(--font-display);letter-spacing:-.04em;color:var(--good)}.st-score small{font-size:2rem}.stages-control{grid-column:1 / -1;padding:24px clamp(24px,4vw,56px) clamp(32px,4vw,56px);background:var(--bg);display:grid;gap:16px}.stages-control input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:32px;margin:0;background:transparent;cursor:pointer}.stages-control input[type=range]::-webkit-slider-runnable-track{height:8px;border-radius:4px;background:linear-gradient(to right,var(--text) var(--p, 0%),var(--surface-2) var(--p, 0%))}.stages-control input[type=range]::-moz-range-track{height:8px;border-radius:4px;background:var(--surface-2)}.stages-control input[type=range]::-moz-range-progress{height:8px;border-radius:4px;background:var(--text)}.stages-control input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:32px;height:32px;margin-top:-12px;border:0;border-radius:var(--radius-sm);background:var(--lime);-webkit-transition:transform .16s var(--ease-out);transition:transform .16s var(--ease-out)}.stages-control input[type=range]::-moz-range-thumb{width:32px;height:32px;border:0;border-radius:var(--radius-sm);background:var(--lime)}.stages-control input[type=range]:hover::-webkit-slider-thumb{transform:scale(1.08)}.stages-control input[type=range]:active::-webkit-slider-thumb{transform:scale(.94)}.stages-names{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr)}.stages-names button{padding:4px 0;border:0;background:none;color:var(--muted);font:600 1rem var(--font-body);text-align:left;cursor:pointer;transition:color .16s}.stages-names button:hover,.stages-names button[aria-current=true]{color:var(--text)}.stages-names li:nth-child(2) button{text-align:center}.stages-names li:nth-child(3) button{text-align:center}.stages-names li:nth-child(4) button{text-align:right}.faq{display:grid;grid-template-columns:4fr 8fr;gap:48px;padding-block:clamp(80px,10vw,160px)}.faq-head{position:sticky;top:96px;align-self:start;font-size:clamp(2.25rem,4vw,3.5rem);line-height:.95}.faq-list{display:grid;gap:8px}.faq details{border-radius:var(--radius);background:var(--surface);transition:background .22s var(--ease-out),color .22s}.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px;padding:0 24px;font:600 1.25rem var(--font-body);cursor:pointer;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:hover{background:var(--surface-2);border-radius:var(--radius)}.faq summary i{position:relative;width:16px;height:16px;flex:none}.faq summary i:before,.faq summary i:after{content:"";position:absolute;left:0;top:6.5px;width:16px;height:3px;border-radius:2px;background:currentColor;transition:transform .26s var(--ease-out)}.faq summary i:after{transform:rotate(90deg)}.faq details[open]{background:var(--lime);color:var(--on-lime)}.faq details[open] summary:hover{background:transparent}.faq details[open] summary i:after{transform:rotate(0)}.faq details p{max-width:52ch;padding:0 24px 24px;font-size:1.0625rem;animation:rise .38s var(--ease-out) backwards}.closing{display:grid;justify-items:start;gap:32px;padding-block:clamp(96px,12vw,200px) clamp(72px,9vw,140px)}.closing-h{font-size:clamp(3rem,10.5vw,10rem);line-height:.86;letter-spacing:-.05em;text-transform:uppercase}@media (max-width: 860px){.hero2{min-height:0}.hero2-foot{flex-direction:column;align-items:flex-start}.hero2-actions{justify-content:flex-start}.demo{grid-template-columns:1fr}.stages{grid-template-columns:1fr;grid-template-rows:auto}.stages-demo{order:-1;min-height:340px}.stages-copy{min-height:0}.stages-names button{font-size:.875rem}.faq{grid-template-columns:1fr;gap:24px}.faq-head{position:static}.faq summary{font-size:1.0625rem;min-height:64px;padding:0 18px}.cmd-key{display:none}.cmd-row{padding:4px 14px}}@media (prefers-reduced-motion: reduce){.mask>span{animation:none}.hq-option,.cmd-row,.faq details{transition:none}}