.letter-signup{flex-direction:column;gap:.8rem;max-width:34rem;margin-top:2.2rem;display:flex}.letter-signup-label{color:var(--business-ink-70);max-width:44ch;font-size:.95rem;line-height:1.5}.letter-signup-row{flex-wrap:wrap;gap:.7rem;display:flex}.letter-signup-input{background:var(--business-paper);border:1px solid var(--business-hair);color:var(--business-ink);flex:16rem;padding:.8rem 1rem;font-family:inherit;font-size:1rem}.letter-signup-input::placeholder{color:var(--business-ink-45)}.letter-signup-input:focus-visible{border-color:var(--business-sage-deep)}.letter-signup-button{flex:none}.letter-signup-status{color:var(--business-sage-deep);font-size:.92rem}.letter-signup-status--failed{color:var(--business-ink-70)}.letter-lists{grid-template-columns:repeat(auto-fit,minmax(17rem,1fr));gap:clamp(1.8rem,3.5vw,2.8rem);list-style:none;display:grid}.letter-list{border-top:1px solid var(--business-hair);flex-direction:column;gap:.55rem;padding-top:1.4rem;display:flex}.service-page .letter-list-name{font-family:var(--business-display);letter-spacing:-.01em;font-size:1.5rem}.letter-list-link:hover .letter-list-name{color:var(--business-sage-deep)}.letter-list-who{color:var(--business-ink-45);font-size:.93rem;line-height:1.5}.letter-list-latest{flex-direction:column;gap:.25rem;margin-top:.6rem;display:flex}.letter-list-subject{font-size:1rem;font-weight:500;line-height:1.35}.letter-list-latest:hover .letter-list-subject{color:var(--business-sage-deep)}.letter-list-meta,.letter-list-count{color:var(--business-ink-45);font-size:.82rem}.letter-list-count{margin-top:auto;padding-top:.9rem}.letter-archive{gap:0;max-width:46rem;list-style:none;display:grid}.letter-archive-item{border-top:1px solid var(--business-hair)}.letter-archive-link{flex-direction:column;gap:.3rem;padding-block:clamp(1.2rem,2.4vw,1.7rem);display:flex}.letter-archive-meta{color:var(--business-ink-45);font-size:.82rem}.service-page .letter-archive-subject{font-family:var(--business-display);letter-spacing:-.014em;font-size:clamp(1.35rem,1.1rem + .9vw,1.75rem);line-height:1.14}.letter-archive-link:hover .letter-archive-subject{color:var(--business-sage-deep)}.letter-archive-preview{color:var(--business-ink-70);max-width:54ch;font-size:.95rem;line-height:1.5}.letter-issue{padding-block:clamp(2.5rem,6vw,4.5rem)}.letter-issue .business-wrap{flex-direction:column;display:flex}.service-page .letter-issue-kicker{border-bottom:1px solid var(--business-hair);color:var(--business-sage-deep);font-family:var(--business-display);flex-wrap:wrap;align-items:baseline;gap:.55rem;max-width:42rem;padding-bottom:1rem;font-size:1rem;font-style:italic;display:flex}.letter-issue-kicker a:hover{text-underline-offset:3px;text-decoration:underline}.letter-issue-sep{color:var(--business-sand);font-style:normal}.letter-issue-kicker span:last-child{color:var(--business-ink-45)}.service-page .letter-issue-title{letter-spacing:-.02em;text-wrap:balance;max-width:20ch;margin-block:1.6rem 1.5rem;font-size:clamp(2rem,1.3rem + 2.6vw,3.1rem);line-height:1.06}.letter-issue-body{flex-direction:column;gap:1.15rem;max-width:42rem;display:flex}.letter-issue-body p{max-width:42rem;font-size:clamp(1.03rem,1rem + .25vw,1.15rem);line-height:1.62}.letter-issue-body blockquote{border-left:2px solid var(--business-sage);color:var(--business-sage-deep);font-family:var(--business-display);padding-left:1.2rem;font-size:clamp(1.2rem,1.05rem + .7vw,1.5rem);font-style:italic;line-height:1.32}.letter-issue-body blockquote p{font-size:inherit}.letter-issue-block{border-top:1px solid var(--business-hair);max-width:42rem;margin-top:clamp(2.4rem,4.5vw,3.4rem);padding-top:1.6rem}.service-page .letter-issue-block-title{color:var(--business-ink-45);font-family:var(--business-display);letter-spacing:0;text-transform:none;max-width:none;margin-bottom:1.3rem;font-size:.98rem;font-style:italic;font-weight:400;line-height:1.3}.letter-links{flex-direction:column;gap:1.5rem;list-style:none;display:flex}.letter-link{flex-direction:column;gap:.3rem;display:flex}.letter-link-source{color:var(--business-ink-45);font-family:var(--business-display);font-size:.92rem;font-style:italic}.letter-link-title{color:var(--business-sage-deep);text-decoration:underline;text-decoration-color:color-mix(in srgb, var(--business-sage) 55%, transparent);text-underline-offset:3px;font-size:1.05rem;font-weight:500;line-height:1.35}.letter-link-take{color:var(--business-ink-70);font-size:.96rem;line-height:1.55}.letter-post{background:var(--business-paper-warm);border:1px solid var(--business-hair);flex-direction:column;gap:.4rem;padding:1.4rem;display:flex}.service-page .letter-post-title{font-family:var(--business-display);letter-spacing:-.012em;font-size:1.35rem;line-height:1.16}.letter-post:hover .letter-post-title{color:var(--business-sage-deep)}.letter-post-desc{color:var(--business-ink-70);font-size:.95rem;line-height:1.55}.letter-issue-cta{border-top:1px solid var(--business-hair);color:var(--business-ink-70);max-width:42rem;margin-top:clamp(2.4rem,4.5vw,3.4rem);padding-top:1.5rem}.letter-issue-cta a{color:var(--business-sage-deep);text-underline-offset:3px;font-weight:500;text-decoration:underline}.letter-inline-link{color:var(--business-sage-deep);text-underline-offset:3px;text-decoration:underline}#service-letter .business-section-head{margin-bottom:clamp(1.25rem,2vw,1.75rem)}