@import url('https://fonts.googleapis.com/css2?family=Roboto+Condensed:wght@500;600;700&family=Roboto+Mono:wght@400;500&family=Roboto:wght@400;500;700&display=swap');

:root{color-scheme:light;--bg:#f7f7f5;--surface:#ffffff;--surface-2:#eef1ee;--ink:#151716;--muted:#4e5b57;--line:#d9ddd9;--masthead:rgba(247,247,245,.96);--gold:#8b6500;--gold-fill:#ffd83a;--mint:#176b3a;--red:#b42335;--amber:#7a5000;--blue:#236a82;--max:78rem;--prose:72ch}
:root[data-theme="dark"]{color-scheme:dark;--bg:#070707;--surface:#11110f;--surface-2:#1a1d1b;--ink:#f5f4ee;--muted:#b5b3a8;--line:#34332d;--masthead:rgba(7,7,7,.96);--gold:#ffd83a;--gold-fill:#ffd83a;--mint:#81e19d;--red:#ff8996;--amber:#ffbd42;--blue:#71abdd}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:400 1rem/1.7 Roboto,Arial,sans-serif}a{color:inherit}a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:4px}.skip-link{position:fixed;left:1rem;top:-5rem;background:var(--gold);color:#000;padding:.75rem 1rem;z-index:30}.skip-link:focus{top:1rem}.masthead{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;gap:2rem;padding:1rem clamp(1rem,4vw,3rem);border-bottom:1px solid var(--line);background:var(--masthead)}.wordmark{text-decoration:none;font:600 1.1rem/1 Roboto Condensed,Arial,sans-serif}.wordmark span{color:var(--gold)}nav{display:flex;gap:clamp(.7rem,2vw,1.5rem);overflow:auto}nav a{color:var(--muted);text-decoration:none;white-space:nowrap;font-size:.92rem}nav a:hover,nav a[aria-current="page"]{color:var(--gold)}.masthead-actions{display:flex;align-items:center;gap:1rem;min-width:0}.theme-toggle{display:inline-flex;align-items:center;gap:.5rem;min-height:2.25rem;padding:.45rem .65rem;border:1px solid var(--line);border-radius:4px;background:var(--surface);color:var(--ink);font:600 .8rem/1 Roboto,Arial,sans-serif;cursor:pointer}.theme-toggle:hover{border-color:var(--blue);background:var(--surface-2)}.theme-toggle-icon{color:var(--gold);font-size:1rem}main{min-height:70vh}.hero{max-width:var(--max);margin:auto;padding:clamp(5rem,11vw,10rem) clamp(1rem,4vw,3rem) clamp(4rem,8vw,7rem);border-bottom:1px solid var(--line)}.signal,.study-meta,.claim span{font:500 .76rem/1.4 Roboto Mono,monospace;color:var(--gold)}.signal{margin:0 0 1.5rem}.hero h1{max-width:12ch;margin:0;font:700 clamp(3.5rem,10vw,6rem)/.92 Roboto Condensed,Arial,sans-serif;letter-spacing:-.035em;text-wrap:balance}.lede{max-width:46rem;margin:2rem 0;color:var(--muted);font-size:clamp(1.1rem,2vw,1.35rem)}.hero-actions,.evidence-links{display:flex;flex-wrap:wrap;gap:.8rem 1.2rem;align-items:center}.hero-actions a,.evidence-links a{font-weight:600;text-underline-offset:.3em}.primary-action{display:inline-block;background:var(--gold-fill);color:#000;padding:.8rem 1rem;text-decoration:none}.ledger,.standard{max-width:var(--max);margin:auto;padding:clamp(3rem,7vw,6rem) clamp(1rem,4vw,3rem)}.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;border-bottom:1px solid var(--line);padding-bottom:1rem}.section-heading h2,.standard h2{margin:0;font:600 clamp(2rem,5vw,3.5rem)/1 Roboto Condensed,Arial,sans-serif}.section-heading p{margin:0;color:var(--muted)}.study-row{display:grid;grid-template-columns:minmax(2.5rem,5rem) minmax(0,1.65fr) minmax(17rem,.85fr);gap:clamp(1rem,4vw,3rem);padding:clamp(2.5rem,5vw,4.5rem) 0;border-bottom:1px solid var(--line)}.study-index{font:400 1rem/1 Roboto Mono,monospace;color:var(--muted)}.study-meta{display:flex;gap:1rem;align-items:center}.study-meta span:last-child{color:var(--muted)}.status{padding:.2rem .4rem;border:1px solid currentColor}.status.supported{color:var(--mint)}.study-body h3{margin:.8rem 0;font:700 clamp(2.5rem,6vw,5rem)/.95 Roboto Condensed,Arial,sans-serif;letter-spacing:-.025em}.finding{max-width:36rem;margin:1.3rem 0;font-size:clamp(1.2rem,2vw,1.55rem);line-height:1.45}.boundary{max-width:var(--prose);color:var(--muted)}.claim-ledger{align-self:start;border-top:1px solid var(--line)}.claim{cursor:default;padding:1rem 0;border-bottom:1px solid var(--line)}.claim p{margin:.35rem 0 0;font-size:.92rem;line-height:1.45}.claim[data-claim-status="unsupported"] span{color:var(--red)}.claim[data-claim-status="untested"] span,.claim[data-claim-status="limitation"] span{color:var(--amber)}.claim[data-claim-status="supported"] span{color:var(--mint)}.floor-scale{position:relative;display:flex;justify-content:space-between;align-items:center;margin:2rem 0 1.4rem;min-height:3.25rem;border-top:2px solid var(--line);font:500 .75rem/1 Roboto Mono,monospace;color:var(--muted)}.floor-range{position:absolute;left:22.6%;top:-1rem;width:10.3%;min-width:9rem;padding:.55rem;background:var(--gold);color:#000;text-align:center}.standard{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.4fr);gap:clamp(2rem,7vw,7rem);border-top:1px solid var(--line)}.standard>div p{color:var(--muted);max-width:24rem}.standard-list{margin:0;padding:0;list-style:none;counter-reset:floor}.standard-list li{counter-increment:floor;display:grid;grid-template-columns:3rem 9rem 1fr;gap:1rem;padding:1.15rem 0;border-bottom:1px solid var(--line)}.standard-list li:before{content:counter(floor,decimal-leading-zero);font-family:Roboto Mono,monospace;color:var(--gold)}.standard-list span{color:var(--muted)}.document{max-width:var(--max);margin:auto;padding:clamp(3rem,7vw,6rem) clamp(1rem,4vw,3rem)}.document>*{max-width:var(--prose)}.document h1{font:700 clamp(2.6rem,7vw,5.5rem)/.96 Roboto Condensed,Arial,sans-serif;letter-spacing:-.03em}.document h2{margin-top:3.5rem;font:600 clamp(1.7rem,4vw,2.5rem)/1.15 Roboto Condensed,Arial,sans-serif}.document h3{margin-top:2.5rem;font:600 1.35rem/1.25 Roboto Condensed,Arial,sans-serif}.document table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;font-size:.86rem}.document th,.document td{padding:.65rem;border:1px solid var(--line);vertical-align:top}.document th{color:var(--gold);text-align:left}.document pre{max-width:100%;overflow:auto;padding:1rem;background:var(--surface);border:1px solid var(--line)}.document code{font-family:Roboto Mono,monospace;font-size:.86em}.document blockquote{margin:2rem 0;padding:1rem 0;border-block:1px solid var(--line);color:var(--muted)}footer{display:grid;grid-template-columns:1fr auto;gap:2rem;max-width:var(--max);margin:auto;padding:2.5rem clamp(1rem,4vw,3rem);border-top:1px solid var(--line);color:var(--muted);font-size:.85rem}footer p{margin:.25rem 0}.footer-meta{display:flex;gap:1rem;align-items:start}.footer-meta button{border:0;background:none;color:var(--muted);text-decoration:underline;cursor:pointer}.license{grid-column:1/-1;font-family:Roboto Mono,monospace;font-size:.72rem}
@media(max-width:820px){.masthead{align-items:flex-start;flex-direction:column;gap:.8rem}.masthead-actions{width:100%;flex-wrap:wrap;justify-content:space-between}.masthead-actions nav{min-width:0;max-width:100%}.study-row{grid-template-columns:2rem 1fr}.claim-ledger{grid-column:2}.standard{grid-template-columns:1fr}.section-heading{align-items:flex-start;flex-direction:column}.standard-list li{grid-template-columns:2.5rem 1fr}.standard-list span{grid-column:2}.floor-range{min-width:7.5rem}.footer-meta{flex-wrap:wrap}}
@media(max-width:520px){.masthead-actions{display:block}.masthead-actions nav{padding-bottom:.7rem}.theme-toggle{width:100%;justify-content:space-between}.hero h1{font-size:3.4rem}.study-row{grid-template-columns:1fr}.study-index,.claim-ledger{grid-column:1}.study-index{display:none}.floor-range{left:18%;width:35%}footer{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}