[data-theme=light] .letter-card{box-shadow:var(--shadow-card)}[data-theme=light] .hero-bg-grid{background-image:linear-gradient(rgba(0,0,0,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.055) 1px,transparent 1px)}[data-theme=light] .filters-section{background:var(--bg-base)}.page-hero{padding:140px 0 64px;position:relative;overflow:hidden}.hero-bg-grid{position:absolute;inset:-8%;background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);background-size:64px 64px}.hero-glow{position:absolute;width:600px;height:500px;top:-100px;right:-80px;background:radial-gradient(circle,rgba(var(--accent-rgb),.07) 0%,transparent 70%);pointer-events:none}.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin-bottom:32px;position:relative;z-index:2}.breadcrumb a{color:var(--text-muted);text-decoration:none}.breadcrumb a:hover{color:var(--text-secondary)}.hero-inner{position:relative;z-index:2}.section-label{font-family:var(--font-display);font-size:10px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}.page-h1{font-family:var(--font-display);font-size:clamp(32px,4.5vw,52px);font-weight:700;line-height:1.06;letter-spacing:-.025em;margin-bottom:16px}.page-desc{font-size:17px;color:var(--text-secondary);max-width:560px;line-height:1.7;margin-bottom:40px}.letter-stats{display:flex;gap:0;border-top:1px solid var(--border-dim);padding-top:36px}.letter-stat{flex:1;padding-right:32px;border-right:1px solid var(--border-dim)}.letter-stat:last-child{border-right:none;padding-right:0;padding-left:32px}.letter-stat:not(:first-child){padding-left:32px}.letter-stat-num{font-family:var(--font-display);font-size:36px;font-weight:700;color:var(--text-primary);line-height:1}.letter-stat-num span{color:var(--accent)}.letter-stat-label{font-size:13px;color:var(--text-muted);margin-top:6px}@media(max-width:580px){.letter-stats{flex-direction:column;gap:20px}.letter-stat{border-right:none;padding:20px 0 0!important;border-top:1px solid var(--border-dim)}}.filters-section{padding:40px 0 32px;border-bottom:1px solid var(--border-dim);position:sticky;top:68px;z-index:100;background:var(--bg-base)}.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.filter-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;border-radius:99px;font-size:13px;font-weight:500;font-family:var(--font-display);letter-spacing:.03em;cursor:pointer;border:1px solid var(--border-default);background:var(--bg-raised);color:var(--text-secondary);transition:all var(--t-fast);touch-action:manipulation}.filter-btn:hover{border-color:var(--border-strong);color:var(--text-primary)}.filter-btn.active{background:var(--accent-dim);border-color:var(--accent-border);color:var(--accent)}.filter-count{font-size:10px;background:var(--bg-subtle);border-radius:99px;padding:1px 6px;font-weight:600}.filter-btn.active .filter-count{background:var(--accent-dim);color:var(--accent)}.letters-section{padding:40px 0 88px}.letters-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}@media(max-width:1000px){.letters-grid{grid-template-columns:1fr 1fr}}@media(max-width:580px){.letters-grid{grid-template-columns:1fr}}.letter-card{background:var(--bg-surface);border:1px solid var(--border-dim);border-radius:var(--r-xl);padding:28px;display:flex;flex-direction:column;transition:all var(--t-base);position:relative;overflow:hidden;cursor:default}.letter-card:hover{border-color:var(--border-default);transform:translateY(-3px);background:var(--bg-raised)}.letter-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);opacity:0;transition:opacity var(--t-base)}.letter-card:hover:before{opacity:1}.letter-card.hidden{display:none}.letter-org{font-family:var(--font-display);font-size:13px;font-weight:600;color:var(--text-primary);margin-bottom:4px;line-height:1.3;padding-right:60px}.letter-year{font-size:11px;color:var(--text-muted);font-family:var(--font-display);font-weight:500;letter-spacing:.06em}.letter-quote-mark{font-family:var(--font-display);font-size:36px;font-weight:700;color:var(--accent-border);line-height:1;margin:16px 0 8px;display:block}.letter-text{font-size:13px;color:var(--text-secondary);line-height:1.7;font-style:italic;flex:1}.letter-text strong{color:var(--text-primary);font-style:normal;font-weight:500}.letter-footer{margin-top:20px;padding-top:16px;border-top:1px solid var(--border-dim);display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:8px 0}.letter-doc-link{display:inline-flex;align-items:center;gap:4px;font-size:11px;color:var(--accent);text-decoration:none;margin-top:8px;white-space:nowrap;width:100%;transition:opacity var(--t-fast)}.letter-doc-link:hover{opacity:.75}.letter-signer{font-size:12px;color:var(--text-muted);line-height:1.4}.letter-signer strong{color:var(--text-secondary);display:block;font-weight:500;margin-bottom:1px}.letter-tags{display:flex;gap:5px;flex-wrap:wrap;justify-content:flex-end}.ltag{font-size:9px;font-family:var(--font-display);font-weight:600;padding:2px 8px;border-radius:99px;letter-spacing:.06em;white-space:nowrap}.ltag-gov{background:var(--accent2-dim);color:var(--accent2-bright);border:1px solid var(--accent2-border)}.ltag-med{background:#dc262612;color:#f87171;border:1px solid rgba(220,38,38,.16)}.ltag-ind{background:var(--accent-dim);color:var(--accent);border:1px solid var(--accent-border)}.ltag-culture{background:#8b5cf614;color:#a78bfa;border:1px solid rgba(139,92,246,.18)}.ltag-intl{background:var(--success-dim);color:var(--success);border:1px solid rgba(45,155,107,.22)}.ltag-tel{background:#22c55e14;color:#4ade80;border:1px solid rgba(34,197,94,.18)}.letter-year-badge{position:absolute;top:20px;right:20px;font-family:var(--font-display);font-size:10px;font-weight:600;color:var(--text-muted);letter-spacing:.08em;background:var(--bg-subtle);padding:3px 8px;border-radius:99px}.letters-empty{grid-column:1/-1;text-align:center;padding:60px 20px;color:var(--text-muted)}.letters-empty svg{width:48px;height:48px;margin:0 auto 16px;display:block;opacity:.3}.cta-strip{background:var(--bg-surface);border-top:1px solid var(--border-dim);border-bottom:1px solid var(--border-dim);padding:60px 0;text-align:center}.cta-strip-title{font-family:var(--font-display);font-size:clamp(18px,2.2vw,26px);font-weight:600;color:var(--text-primary);margin-bottom:10px}.cta-strip-sub{font-size:15px;color:var(--text-secondary);margin-bottom:28px}.cta-strip-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}