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var(--motion-feedback)}.about-letter{max-width:68ch;min-width:0}.about-letter h1{font-size:var(--type-page-title);font-weight:500;line-height:var(--leading-heading);letter-spacing:var(--tracking-heading);margin:20px 0 34px;color:var(--foreground-strong)}.about-prose{font-size:17px;line-height:var(--leading-body);color:var(--muted-foreground)}.about-prose p{margin:0 0 24px}.about-prose p:first-child{color:var(--foreground);font-size:20px;line-height:1.6;max-width:48ch}.about-signature{margin-top:34px;padding-top:24px;border-top:1px solid var(--border-strong)}.about-signature p{font-size:23px;font-weight:500;letter-spacing:-.025em;margin:0 0 7px}.about-signature>span{font-size:13px;line-height:1.8;color:var(--muted-foreground)}.about-conversation{margin-top:30px;max-width:48ch}.about-conversation p{font-size:16px;line-height:1.7;margin:0 0 8px;color:var(--muted-foreground)}.about-product{margin-top:72px;padding-top:42px;border-top:1px solid 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button[aria-pressed=true]{border-color:var(--accent);background:var(--surface-interactive);color:var(--foreground)}.about-context{display:flex;gap:14px;align-items:center;border:1px solid var(--border-strong);padding:18px;background:var(--surface-raised)}.about-context svg,.about-layer-content>svg{width:24px;height:24px;stroke:var(--muted-foreground);fill:none;stroke-width:1;flex-shrink:0}.about-context span{display:block;font-size:11px;color:var(--muted-foreground);line-height:1.6}.about-context strong{display:block;font-size:15px;line-height:1.5;font-weight:500;margin-top:4px}.about-layers{margin:0 0 0 23px}.about-layer{display:grid;grid-template-columns:24px minmax(0,1fr)}.about-layer-link{width:24px;height:100%;overflow:visible;fill:none;stroke:var(--diagram-line);stroke-width:1}.about-layer-link path{vector-effect:non-scaling-stroke}.about-layer-link .about-entry-line{stroke:var(--accent);stroke-opacity:.55;stroke-dasharray:1}.about-vision[data-entered=true] .about-entry-line{animation:about-layer-entry 1.5s ease-out both;animation-play-state:paused}.about-vision[data-running=true] .about-entry-line{animation-play-state:running}.about-vision[data-complete=true] .about-entry-line{animation:none}.about-layer-content{display:flex;align-items:center;gap:12px;margin-top:12px;padding:12px 14px;min-height:84px;border:1px solid var(--border)}.about-layer[data-selected=true] .about-layer-content{border-color:var(--border-strong);box-shadow:inset 2px 0 var(--foreground);background:var(--surface-raised)}.about-layer h3{font-size:14px;font-weight:500;line-height:1.5;margin:0}.about-layer p{font-size:12px;line-height:1.6;color:var(--muted-foreground);margin:3px 0 0}.about-direction{display:inline-block;font:10px/1.6 var(--font-geist-mono),monospace;color:var(--muted-foreground);border:1px dashed var(--border-strong);padding:2px 6px;margin-top:6px}.about-vision-explanation{min-height:66px;font-size:13px;line-height:1.7;color:var(--muted-foreground);margin:20px 0 0}.about-page :is(a,button):focus-visible{outline:2px solid var(--focus-ring);outline-offset:4px}@keyframes about-layer-entry{0%{stroke-dashoffset:1}to{stroke-dashoffset:0}}@media (hover:hover) and (pointer:fine){.about-email:hover{text-decoration-color:var(--accent)}.about-email:hover .about-arrow,.about-product-links a:hover .about-arrow{transform:translateX(3px)}.about-lenses button:hover{color:var(--foreground);background:var(--surface-interactive)}}.about-email:focus-visible .about-arrow{transform:translateX(3px)}@media (min-width:1024px) and (min-height:720px){.about-identity{position:sticky;top:106px}}@media (max-width:1023px){.about-editorial{gap:36px;grid-template-columns:minmax(200px,1fr) minmax(0,2fr)}.about-product-layout{gap:32px}}@media 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