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var(--ec-sans)}.fc-hero aside{border:1px solid color-mix(in srgb,var(--ec-gold-500) 32%,var(--ec-line-500));border-left:3px solid var(--ec-gold-500);background:color-mix(in srgb,var(--ec-gold-500) 6%,var(--ec-field-950));max-width:78ch;color:var(--ec-paper-300);font:400 .87rem/1.6 var(--ec-sans);gap:.35rem;margin:1.5rem 0;padding:1rem 1.2rem;display:grid}.fc-hero aside strong{color:var(--ec-gold-500);font:700 .66rem var(--ec-mono);letter-spacing:.08em;text-transform:uppercase}.fc-hero nav,.fc-return{flex-wrap:wrap;gap:.8rem;display:flex}.fc-shell a{color:var(--ec-plasma-500);text-underline-offset:.25em}.fc-hero nav a,.fc-return a{border:1px solid var(--ec-line-500);background:var(--ec-field-950);font:650 .68rem var(--ec-mono);text-transform:uppercase;padding:.65rem .85rem;text-decoration:none}.fc-hero nav a:hover,.fc-return a:hover{border-color:var(--ec-gold-500);color:var(--ec-gold-500)}#method{border-bottom:1px solid var(--ec-line-500);margin:2rem 0 3.5rem;padding:1.5rem 0}#method 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var(--ec-sans)}.fc-card__consumer{color:var(--ec-ash-500);font:500 .66rem/1.5 var(--ec-mono);margin-top:auto;padding-top:.6rem}.fc-card__open{border-top:1px solid var(--ec-line-500);color:var(--fc-accent);font:650 .63rem var(--ec-mono);letter-spacing:.04em;text-transform:uppercase;justify-content:space-between;align-items:center;padding-top:.8rem;display:flex}.fc-card__open span:last-child{font-size:1rem;transition:transform .18s}.fc-card details[open] .fc-card__open span:last-child{transform:rotate(45deg)}.fc-card details[open]{grid-column:1/-1}.fc-card details[open]>summary{border-bottom:1px solid var(--ec-line-500);min-height:0}.fc-body{padding:.2rem clamp(1rem,3vw,2rem) 1.4rem}.fc-body section{border-bottom:1px solid var(--ec-line-500);padding:1rem 0}.fc-body h3{color:var(--fc-accent,var(--ec-gold-500));font:700 .68rem var(--ec-mono);letter-spacing:.1em;text-transform:uppercase}.fc-body p,.fc-body li{max-width:82ch;color:var(--ec-paper-300);font:400 .88rem/1.7 var(--ec-sans)}.formal{font:500 .84rem/1.65 var(--ec-mono);color:var(--ec-gold-500)!important}.proof-label{color:var(--ec-plasma-500);margin:.7rem 0}.code{border:1px solid var(--ec-line-500);max-width:100%;overflow:auto}.code pre{font:.78rem/1.65 var(--ec-mono);margin:0;padding:1rem;overflow:auto;background:var(--ec-field-950)!important}.limit{font-size:.78rem!important}.fc-body footer{color:var(--ec-ash-500);font:.64rem/1.5 var(--ec-mono);overflow-wrap:anywhere;gap:.35rem;padding-top:1rem;display:grid}.fc-body code{overflow-wrap:anywhere}.fc-return{border-top:1px solid var(--ec-line-500);justify-content:space-between;margin-top:3rem;padding:1.4rem 0}.fc-shell :where(a,summary):focus-visible{outline:3px solid var(--ec-ember-500);outline-offset:3px}@media (width<=1000px){.fc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.fc-index-heading{flex-direction:column;align-items:start;gap:.3rem}}@media (width<=640px){.fc-shell{width:calc(100% - 1.25rem)}.fc-hero{padding:1.4rem}.fc-grid{grid-template-columns:1fr}.fc-card details>summary{min-height:14rem}.fc-body{padding-inline:.85rem}}@media (prefers-reduced-motion:reduce){.fc-card,.fc-card__open span:last-child{transition:none}}