.sec-main{max-width:62rem;padding:clamp(1.5rem, 5vw, 3.5rem) var(--gutter) 2rem;margin:0 auto}.sec-h1{letter-spacing:-.04em;margin:0 0 1.25rem;font-size:clamp(2rem,5vw,3.25rem);font-weight:600;line-height:1.02}.sec-lede{letter-spacing:-.011em;color:var(--prose);max-width:44rem;margin:0 0 2.5rem;font-size:clamp(.98rem,1.3vw,1.1rem);line-height:1.65}.sec-toc{border-top:1px solid var(--border);flex-wrap:wrap;gap:.4rem;margin-bottom:3rem;padding:1rem 0 0;display:flex}.sec-toc a{font-family:var(--font-mono), ui-monospace, monospace;color:var(--muted);border:1px solid var(--control-edge);border-radius:999px;padding:.3rem .6rem;font-size:.66rem;text-decoration:none;transition:color .2s,border-color .2s}.sec-toc a:hover{color:var(--foreground);border-color:var(--control-edge-hover)}.sec-toc-gaps{border-color:var(--control-edge-hover)!important;color:var(--foreground)!important}.sec-section{margin-bottom:3.25rem;scroll-margin-top:1.5rem}.sec-h2{letter-spacing:-.025em;border-bottom:1px solid var(--border);margin:0 0 1.5rem;padding-bottom:.75rem;font-size:1.35rem;font-weight:500;line-height:1.33}.sec-list{gap:1.6rem;margin:0;display:grid}.sec-item{margin:0}.sec-term{letter-spacing:-.015em;color:var(--foreground);margin:0 0 .4rem;font-size:.95rem;font-weight:500;line-height:1.4}.sec-def{color:var(--prose);max-width:48rem;margin:0;font-size:.9rem;line-height:1.7}.sec-gaps-intro{color:var(--prose);max-width:48rem;margin:0 0 1.25rem;font-size:.9rem;line-height:1.7}.sec-gaps{gap:.7rem;max-width:48rem;margin:0 0 1.75rem;padding:0;list-style:none;display:grid}.sec-gaps li{color:var(--prose);padding-left:1.4rem;font-size:.9rem;line-height:1.65;position:relative}.sec-gaps li:before{content:"";background:var(--muted);width:.4rem;height:1px;position:absolute;top:.62em;left:.35rem}.sec-contact{border-top:1px solid var(--border);color:var(--prose);max-width:48rem;margin:0;padding-top:1.5rem;font-size:.88rem;line-height:1.7}.sec-contact a{color:var(--brand-text);text-decoration:none}.sec-contact a:hover{text-decoration:underline}