:root{color-scheme:dark}
:root{--bg:#101212;--surface:#161919;--surface-2:#1d2120;--line:#2b302f;--text:#ecefed;--muted:#a9b0ad;--dim:#79807d;--accent:#b7e4c7;--accent-2:#7fc89a;--max:1120px;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;--sans:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.65}a{color:inherit}code,pre,.eyebrow,.number{font-family:var(--mono)}.wrap{width:min(calc(100% - 40px),var(--max));margin-inline:auto}.skip-link{position:fixed;top:10px;left:10px;z-index:20;padding:8px 12px;background:var(--text);color:var(--bg);transform:translateY(-150%)}.skip-link:focus{transform:none}.site-header{position:sticky;top:0;z-index:10;border-bottom:1px solid color-mix(in srgb,var(--line),transparent 20%);background:color-mix(in srgb,var(--bg),transparent 8%);backdrop-filter:blur(14px)}.nav-row{height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:14px;font-weight:650}.mark{display:grid;place-items:center;width:28px;height:28px;border:1px solid var(--accent-2);color:var(--accent);font-family:var(--mono)}nav{display:flex;gap:26px}nav a{font-size:13px;color:var(--muted);text-decoration:none}nav a:hover{color:var(--text)}.hero{padding-block:clamp(80px,12vw,160px) 90px}.eyebrow{margin:0 0 18px;color:var(--accent-2);font-size:12px;letter-spacing:.12em;text-transform:uppercase}.hero h1{max-width:980px;margin:0;font-size:clamp(44px,7.3vw,88px);font-weight:620;line-height:1.01;letter-spacing:-.055em}.lede{max-width:780px;margin:32px 0 0;color:var(--muted);font-size:clamp(19px,2.2vw,24px);line-height:1.5}.hero-actions,.verdict-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}.button{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:9px 16px;border:1px solid var(--line);text-decoration:none;font-size:14px;font-weight:600}.button:hover{border-color:var(--muted);background:var(--surface)}.button.primary{border-color:var(--accent-2);background:var(--accent);color:#102016}.button.primary:hover{background:#c9eed5}.disclosure{max-width:850px;margin-top:64px;padding:20px 22px;border-left:2px solid var(--accent-2);background:var(--surface);color:var(--muted)}.disclosure strong{color:var(--text)}.band{border-block:1px solid var(--line);background:var(--surface);padding-block:80px}.section{padding-block:110px}.section-heading{max-width:760px;margin-bottom:44px}.section-heading h2,.two-col h2,.verdict h2{margin:0;font-size:clamp(32px,4vw,52px);font-weight:620;line-height:1.12;letter-spacing:-.035em}.section-heading>p:last-child,.two-col>div>p,.verdict>p{color:var(--muted)}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}.metric{min-height:230px;padding:26px;border-right:1px solid var(--line)}.metric:last-child{border-right:0}.metric-value{margin:0;color:var(--accent);font-family:var(--mono);font-size:clamp(30px,3vw,43px);letter-spacing:-.04em}.metric h3{margin:8px 0 15px;font-size:15px}.metric p:last-child{margin:0;color:var(--muted);font-size:14px}.table-shell{overflow-x:auto;border:1px solid var(--line)}table{width:100%;border-collapse:collapse;min-width:790px}th,td{padding:18px 20px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}thead th{color:var(--dim);font:500 11px var(--mono);letter-spacing:.08em;text-transform:uppercase}tbody th{font-size:14px}tbody td{color:var(--muted);font-size:14px}.number{color:var(--accent);white-space:nowrap}.callout{display:grid;grid-template-columns:auto 1fr auto 1fr;gap:20px 26px;align-items:center;margin-top:24px;padding:28px;border:1px solid var(--line);background:var(--surface)}.callout-number{font:600 clamp(32px,4vw,52px) var(--mono);color:var(--accent)}.callout p{margin:0;color:var(--muted)}.callout strong{color:var(--text)}.fine-print{color:var(--dim);font-size:13px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.two-col pre,.code-pair pre{overflow:auto;margin:0;padding:24px;border:1px solid var(--line);background:var(--bg);color:var(--accent);font-size:13px;line-height:1.7}.comparison-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.comparison-card{display:grid;grid-template-columns:130px 1fr 1fr;gap:22px;padding:24px;border:1px solid var(--line);background:var(--surface)}.comparison-label{margin:0;color:var(--accent);font:600 12px var(--mono);text-transform:uppercase}.comparison-card h3{margin:0 0 8px;font-size:14px}.comparison-card p:not(.comparison-label){margin:0;color:var(--muted);font-size:14px}.dependency-bars{display:grid;gap:30px}.dependency-bars>div{display:grid;grid-template-columns:150px 1fr;gap:5px 24px}.dependency-bars span{font-weight:650}.dependency-bars strong{color:var(--muted);font-size:14px;font-weight:450}.dependency-bars i{grid-column:1/-1;display:block;width:var(--size);min-width:8px;height:12px;background:var(--accent-2)}.evidence-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.evidence-grid article{padding:24px;border:1px solid var(--line)}.evidence-grid strong{color:var(--accent);font:600 32px var(--mono)}.evidence-grid h3{margin:10px 0;font-size:15px}.evidence-grid p{margin:0;color:var(--muted);font-size:14px}.code-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px}.code-label{margin:0;padding:10px 14px;border:1px solid var(--line);border-bottom:0;color:var(--dim);font:500 11px var(--mono);text-transform:uppercase}.copy-heavy{align-items:start}.principles{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line)}.principles article{padding:22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.principles article:nth-child(2n){border-right:0}.principles article:nth-last-child(-n+2){border-bottom:0}.principles h3{margin:0 0 8px;font-size:15px}.principles p{margin:0;color:var(--muted);font-size:14px}.method-list{margin:0;padding:0;list-style:none;counter-reset:item}.method-list li{display:grid;grid-template-columns:70px 1fr;gap:24px;padding:25px 0;border-top:1px solid var(--line)}.method-list li>span{color:var(--accent);font:500 14px var(--mono)}.method-list h3{margin:0 0 6px;font-size:17px}.method-list p{max-width:760px;margin:0;color:var(--muted)}.limitations{margin-top:48px;padding:28px;border:1px solid #665a36;background:#191812}.limitations h3{margin-top:0;color:#ead9a0}.limitations li{margin:8px 0;color:#c5bfae}.fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.fit-grid article{padding:28px;border:1px solid var(--line);background:var(--bg)}.fit-grid h3{margin-top:0}.fit-grid li{margin:9px 0;color:var(--muted)}.verdict{max-width:900px;text-align:center}.verdict .eyebrow{margin-inline:auto}.verdict-lede{font-size:21px}.verdict-actions{justify-content:center}footer{border-top:1px solid var(--line);padding-block:28px;color:var(--dim);font-size:13px}footer .wrap{display:flex;justify-content:space-between;gap:20px}footer p{margin:0}footer a{color:var(--muted)}@media(max-width:900px){.metric-grid,.evidence-grid{grid-template-columns:1fr 1fr}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.comparison-grid{grid-template-columns:1fr}.two-col{grid-template-columns:1fr;gap:34px}.comparison-card{grid-template-columns:110px 1fr 1fr}.callout{grid-template-columns:auto 1fr}.principles{margin-top:10px}}@media(max-width:620px){.wrap{width:min(calc(100% - 28px),var(--max))}nav{display:none}.hero{padding-block:70px}.hero h1{font-size:42px}.section,.band{padding-block:68px}.metric-grid,.evidence-grid,.code-pair,.fit-grid{grid-template-columns:1fr}.metric{min-height:auto;border-right:0;border-bottom:1px solid var(--line)}.metric:nth-child(3){border-bottom:1px solid var(--line)}.comparison-card{grid-template-columns:1fr}.comparison-label{padding-bottom:8px;border-bottom:1px solid var(--line)}.callout{grid-template-columns:1fr;gap:8px}.callout p{margin-bottom:18px}.dependency-bars>div{grid-template-columns:1fr}.principles{grid-template-columns:1fr}.principles article{border-right:0}.principles article:nth-last-child(2){border-bottom:1px solid var(--line)}footer .wrap{display:block}footer a{display:inline-block;margin-top:10px}}
/* Reproducible clean-checkout build instructions. */
.build-instructions{margin-bottom:52px;padding:28px;border:1px solid var(--line);background:var(--surface)}.build-instructions h3{margin-top:0;font-size:21px}.build-instructions p{color:var(--muted)}
.reverse-direction{display:grid;grid-template-columns:minmax(240px,.7fr) 1.3fr;gap:60px;margin:0 0 52px;padding:34px;border:1px solid var(--accent-2);background:color-mix(in srgb,var(--accent),transparent 96%)}.reverse-direction h3{margin:0;font-size:clamp(24px,3vw,36px);line-height:1.2;letter-spacing:-.025em}.reverse-direction p{margin-top:0;color:var(--muted)}.reverse-direction p:last-child{margin-bottom:0}.reverse-direction strong{color:var(--text)}@media(max-width:760px){.reverse-direction{grid-template-columns:1fr;gap:24px;padding:24px}}
/* Keep long code examples inside their responsive grid columns. */
.two-col>*,.code-pair>*{min-width:0}pre{max-width:100%;overflow-x:auto}