.mer-concept__head{max-width:46rem;margin:0 auto clamp(1.75rem,3.5vw,2.75rem);padding-inline:var(--mer-gutter);text-align:center}.mer-concept__body{max-width:44rem}.mer-concept__body .mer-concept__lede{font-family:var(--mer-serif);font-weight:400;font-size:clamp(1.2rem,2.4vw,1.5rem);line-height:1.55;color:var(--mer-ink);margin:0 0 2.5rem;padding-bottom:2.25rem;border-bottom:1px solid var(--mer-line)}.mer-concept__section{margin-bottom:2.5rem}.mer-concept__section+.mer-concept__section{padding-top:2.25rem;border-top:1px solid var(--mer-line)}.mer-concept__callout{margin:1.5rem 0;padding:1rem 1.25rem;background:var(--mer-cream-soft);border:1px solid var(--mer-line);border-left:3px solid var(--mer-gold);border-radius:8px}.mer-concept__callout-label{display:block;font-family:var(--mer-sans);font-size:.72rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--mer-gold);margin-bottom:.45rem}.mer-concept__callout--formula code{font-family:var(--mer-mono);font-size:.95rem;line-height:1.5;color:var(--mer-ink);overflow-wrap:anywhere}.mer-concept__body .mer-concept__callout p{margin:0}.mer-concept__aux{max-width:44rem;margin:3rem auto 0;padding-inline:var(--mer-gutter)}.mer-concept__aux-label{font-family:var(--mer-serif);font-weight:600;font-size:1.5rem;color:var(--mer-ink);margin:0 0 1rem}.mer-concept__related{list-style:none;margin:0;padding:0}.mer-concept__related li{border-top:1px solid var(--mer-line)}.mer-concept__related li:last-child{border-bottom:1px solid var(--mer-line)}.mer-concept__related a{display:flex;align-items:baseline;gap:.7rem;padding:.85rem 0;font-family:var(--mer-sans);color:var(--mer-ink);text-decoration:none;transition:color .15s ease}.mer-concept__related a:before{content:"\2192";color:var(--mer-gold-light);flex-shrink:0;transition:color .15s ease,transform .15s ease}.mer-concept__related a:hover{color:var(--mer-gold)}.mer-concept__related a:hover:before{color:var(--mer-gold);transform:translateX(3px)}.mer-concept__related-note{color:var(--mer-muted);font-weight:300}.mer-concept__cta{max-width:44rem;margin:clamp(2.5rem,5vw,3.5rem) auto 0;padding-inline:var(--mer-gutter);text-align:center}