.concept-hero[data-astro-cid-gza5rz53]{position:relative;overflow:hidden;color:var(--color-muted-light);background:radial-gradient(circle at 82% 20%,rgba(87,199,241,.11),transparent 18rem),var(--color-night)}.hero-grid[data-astro-cid-gza5rz53]{position:absolute;inset:0 0 0 45%;opacity:.28;background-image:linear-gradient(var(--color-line-dark) 1px,transparent 1px),linear-gradient(90deg,var(--color-line-dark) 1px,transparent 1px);background-size:4rem 4rem;mask-image:linear-gradient(to right,transparent,black)}.hero-inner[data-astro-cid-gza5rz53]{position:relative;z-index:1;padding-block:var(--space-3) var(--space-6)}.hero-inner[data-astro-cid-gza5rz53] [aria-label=Breadcrumb]{margin-bottom:var(--space-5)}.hero-inner[data-astro-cid-gza5rz53] [aria-label=Breadcrumb] a,.hero-inner[data-astro-cid-gza5rz53] [aria-label=Breadcrumb] span{color:var(--color-muted-light)}.title-row[data-astro-cid-gza5rz53]{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:var(--space-4)}h1[data-astro-cid-gza5rz53]{max-width:58rem;margin:0;color:#fff;font-size:clamp(2.8rem,7vw,6.4rem)}.abbreviation[data-astro-cid-gza5rz53]{padding:.5rem .85rem;color:var(--color-accent);border:1px solid var(--color-line-dark);font-family:var(--font-mono);font-size:clamp(1rem,2vw,1.35rem);letter-spacing:.12em}.definition[data-astro-cid-gza5rz53]{max-width:52rem;margin:var(--space-4) 0 0;color:#c3cedd;font-size:var(--step-1)}.concept-layout[data-astro-cid-gza5rz53]{display:grid;grid-template-columns:12rem minmax(0,48rem);justify-content:center;gap:var(--space-6);padding-block:var(--space-6) var(--space-7)}.contents[data-astro-cid-gza5rz53]{align-self:start;position:sticky;top:var(--space-3)}.contents[data-astro-cid-gza5rz53] p[data-astro-cid-gza5rz53]{margin-top:0;color:var(--color-accent-on-light);font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}.contents[data-astro-cid-gza5rz53] ol[data-astro-cid-gza5rz53]{margin:0;padding-left:1.25rem;color:var(--color-muted-on-light);font-size:.82rem}.contents[data-astro-cid-gza5rz53] li[data-astro-cid-gza5rz53]+li[data-astro-cid-gza5rz53]{margin-top:.55rem}article[data-astro-cid-gza5rz53]{min-width:0}article[data-astro-cid-gza5rz53]>section[data-astro-cid-gza5rz53]+section[data-astro-cid-gza5rz53],.research-connection[data-astro-cid-gza5rz53]{margin-top:var(--space-6)}.section-index[data-astro-cid-gza5rz53]{margin-bottom:var(--space-3);color:var(--color-accent-on-light);font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}.formula-card[data-astro-cid-gza5rz53]{overflow-x:auto;margin-block:var(--space-3);padding:clamp(1.4rem,4vw,2.5rem);border:1px solid var(--color-line);background:linear-gradient(var(--color-line) 1px,transparent 1px),var(--color-surface);background-size:100% 2.5rem}.formula[data-astro-cid-gza5rz53]{width:max-content;min-width:100%;margin:0;color:var(--color-ink);font-family:var(--font-display);font-size:clamp(1.25rem,3.4vw,2rem);text-align:center}dl[data-astro-cid-gza5rz53]{display:grid;grid-template-columns:minmax(4rem,auto) 1fr;margin:0;border-top:1px solid var(--color-line)}dt[data-astro-cid-gza5rz53],dd[data-astro-cid-gza5rz53]{margin:0;padding-block:.7rem;border-bottom:1px solid var(--color-line)}dt[data-astro-cid-gza5rz53]{padding-right:var(--space-3);color:var(--color-accent-on-light);font-family:var(--font-mono)}dd[data-astro-cid-gza5rz53]{color:var(--color-muted-on-light)}.explanation[data-astro-cid-gza5rz53] h2{margin-top:var(--space-5)}.explanation[data-astro-cid-gza5rz53] h2:first-of-type{margin-top:0}.explanation[data-astro-cid-gza5rz53] p,.explanation[data-astro-cid-gza5rz53] li{color:var(--color-ink-soft)}.explanation[data-astro-cid-gza5rz53] strong{color:var(--color-ink)}.related-grid[data-astro-cid-gza5rz53]{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-2)}.related-grid[data-astro-cid-gza5rz53] a[data-astro-cid-gza5rz53]{display:block;min-height:7rem;padding:var(--space-3);border:1px solid var(--color-line);background:var(--color-surface);text-decoration:none}.related-grid[data-astro-cid-gza5rz53] a[data-astro-cid-gza5rz53]:hover strong[data-astro-cid-gza5rz53]{color:var(--color-accent-on-light)}.related-grid[data-astro-cid-gza5rz53] span[data-astro-cid-gza5rz53]{color:var(--color-accent-on-light);font-family:var(--font-mono);font-size:.72rem}.related-grid[data-astro-cid-gza5rz53] strong[data-astro-cid-gza5rz53]{display:block;margin-top:.35rem;font-family:var(--font-display);font-size:var(--step-1);font-weight:500}.related-grid[data-astro-cid-gza5rz53] p[data-astro-cid-gza5rz53]{margin-bottom:0;color:var(--color-muted-on-light);font-size:.86rem}.research-connection[data-astro-cid-gza5rz53]{padding:clamp(1.5rem,5vw,3rem);color:var(--color-muted-light);background:var(--color-night)}.research-connection[data-astro-cid-gza5rz53] h2[data-astro-cid-gza5rz53],.research-connection[data-astro-cid-gza5rz53] .line-link[data-astro-cid-gza5rz53]{color:#fff}@media(max-width:54rem){.concept-layout[data-astro-cid-gza5rz53]{grid-template-columns:minmax(0,48rem);gap:0}.contents[data-astro-cid-gza5rz53]{display:none}}@media(max-width:38rem){.hero-inner[data-astro-cid-gza5rz53]{padding-bottom:var(--space-5)}.title-row[data-astro-cid-gza5rz53]{grid-template-columns:1fr}.abbreviation[data-astro-cid-gza5rz53]{justify-self:start;grid-row:1}.definition[data-astro-cid-gza5rz53]{font-size:1.05rem}.concept-layout[data-astro-cid-gza5rz53]{padding-block:var(--space-5) var(--space-6)}.related-grid[data-astro-cid-gza5rz53]{grid-template-columns:1fr}}