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var(--line);color:var(--ink);align-items:baseline;gap:16px;padding:16px 0;font-weight:500;display:flex}.ex-tag{font-family:var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);flex-shrink:0;font-size:.7rem}.relcap .tlink{white-space:nowrap}@media (width<=980px){.work-row,.pair,.help.help4{grid-template-columns:minmax(0,1fr)}.areas{width:100%;max-width:560px}.areas ul{max-height:none}}@media (width<=640px){.relcap{grid-template-columns:minmax(0,1fr)!important}.relcap .tlink{justify-self:start}}.start-cta .btn{white-space:normal;text-align:left;max-width:100%}.start-cta{min-width:0}.chap-solo .chapters{max-width:860px}.chap-solo .chap:first-child{padding-top:0}.lhero{padding-bottom:clamp(40px,5vw,64px)}.lhero h1{font-size:clamp(2.2rem,1.3rem + 3vw,3.6rem)}.l-upd{font-family:var(--f-mono);font-size:var(--t-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);animation:rise .9s var(--ease) .4s both;font-weight:500}.lg{grid-template-columns:240px 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section:last-child{border-bottom:0}.prose h2{letter-spacing:-.022em;margin:0 0 16px;font-size:clamp(1.4rem,1.15rem + .8vw,1.9rem)}.prose h3{margin:24px 0 8px;font-size:1.1rem}.prose p{margin:0 0 14px;line-height:1.7}.prose ul{gap:8px;margin:0 0 16px;padding-left:22px;display:grid}.prose li{line-height:1.6}.prose li::marker{color:var(--brand)}.prose a{color:var(--brand);text-underline-offset:3px;font-weight:500;text-decoration:underline;text-decoration-thickness:1px}.prose code{font-family:var(--f-mono);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-ctl);padding:1px 6px;font-size:.85em}.prose b{color:var(--ink)}@media (width<=900px){.lg{grid-template-columns:minmax(0,1fr)}.lg-toc{border-top:1px solid var(--line-2);padding:20px 0;position:static}}