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:root{color-scheme:light dark;--paper:#f8f9f8;--ink:#171b19;--muted:#555e59;--line:#d5dbd7;--surface:#eff2ef;--accent:#a5d6b7;--accent-ink:#163e29;--focus:#287d4a}*{box-sizing:border-box}html{scroll-padding-top:32px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Geist,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:6px}::selection{background:var(--accent);color:var(--accent-ink)}.site-wrap{max-width:1328px;margin:auto;padding:0 48px}.skip{position:absolute;top:10px;left:20px;padding:12px 20px;background:var(--accent);color:var(--accent-ink);transform:translateY(-180%);z-index:2}.skip:focus{transform:none}.nav{height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.wordmark{display:block;flex-shrink:0}.wordmark 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88px}.section-intro{max-width:620px;margin-bottom:42px}h2{font-size:clamp(30px,3.6vw,46px);line-height:1.1;letter-spacing:-.045em;font-weight:500;margin:0 0 22px}.section-intro p{font-size:16px;line-height:1.65;color:var(--muted);max-width:460px}.concept-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.concept{border:1px solid var(--line);padding:32px;min-width:0;background:var(--paper)}.concept.featured{grid-column:1/-1;display:grid;grid-template-columns:1.4fr 1fr;gap:48px;background:var(--surface);padding:44px}.concept:nth-child(3){background:var(--surface)}.concept:nth-child(6){background:var(--surface)}.status{display:inline-block;font:11px/1.5 GeistMono,monospace;color:var(--muted);margin-bottom:24px}.status.available{color:var(--accent-ink);background:var(--accent);padding:6px 10px;margin-bottom:20px}.concept h3{font-weight:500;font-size:28px;letter-spacing:-.04em;margin:0 0 18px}.featured h3{font-size:44px}.concept-body>p{font-size:17px;line-height:1.65;max-width:410px;margin:0 0 24px;color:var(--muted)}.featured .concept-body>p{font-size:23px;line-height:1.5;max-width:490px}.concept details{border-top:1px solid var(--line);margin-top:24px}.concept summary{font-size:13px;min-height:52px;list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px}.concept summary::-webkit-details-marker{display:none}.detail-mark{font:22px/1 GeistMono,monospace}.concept details[open] .detail-mark{transform:rotate(45deg)}.concept dl{margin:4px 0 20px}.concept dt{font:11px/1.5 GeistMono,monospace;color:var(--ink);margin:18px 0 6px}.concept dd{font-size:14px;line-height:1.65;margin:0;color:var(--muted)}.demo-visual{display:grid;justify-items:center;align-content:center;gap:16px;overflow:hidden}.demo-visual img{width:190px;height:auto;display:block;max-width:100%;border:1px solid var(--line)}.demo-visual p{font:11px/1.5 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@media(prefers-color-scheme:dark){:root{--paper:#151a17;--ink:#eef2ef;--muted:#a7b3ac;--line:#38463d;--surface:#202a23;--focus:#a5d6b7}.wordmark img{filter:invert(1)}.hero-art{border-color:#637269}.status.available{color:#163e29}.button{color:#163e29}}
@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}.hero-copy{animation:enter .65s cubic-bezier(.16,1,.3,1) both}.hero-art{animation:enter .8s .08s cubic-bezier(.16,1,.3,1) both}[data-reveal]{transition:opacity .5s,transform .5s cubic-bezier(.16,1,.3,1)}[data-reveal].waiting{opacity:0;transform:translateY(18px)}@keyframes enter{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}}
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@media(max-width:1024px){.site-wrap{padding:0 32px}.nav{height:76px}.hero{padding:54px 0 64px;min-height:510px}.hero-art{aspect-ratio:1}.actions{gap:18px}.perspectives{gap:24px}.engine{gap:40px}.featured{gap:24px}.flow{gap:7px}.flow code{font-size:11px;padding:10px}}
@media(max-width:767px){.site-wrap{padding:0 20px}.nav{height:72px}.wordmark img{width:126px}.nav nav{gap:17px;font-size:12px}.nav nav a:last-child{display:none}.hero{grid-template-columns:1fr;gap:36px;padding:44px 0 48px;min-height:0}.hero h1{font-size:48px;max-width:510px}.lead{font-size:16px;max-width:460px;margin-bottom:26px}.hero .eyebrow{font-size:10px;margin-bottom:20px}.hero-art{aspect-ratio:1.6;max-height:360px}.actions{gap:20px;flex-wrap:wrap}.button{padding:15px 20px;gap:20px}.perspectives{grid-template-columns:1fr 1fr;padding:30px 0 38px;row-gap:28px}.perspectives h2{font-size:16px}.perspectives p{font-size:13px}.concepts{padding:35px 0 56px}.section-intro{margin-bottom:28px}.section-intro p{font-size:15px}.concept-grid{grid-template-columns:1fr;gap:16px}.concept{padding:25px}.concept.featured{grid-column:auto;grid-template-columns:1fr;padding:28px;gap:30px}.featured h3{font-size:36px}.featured .concept-body>p{font-size:20px}.demo-visual img{width:175px}.engine{grid-template-columns:1fr;gap:10px;padding:40px 0 44px}.engine-body p{font-size:16px}.flow{margin:26px 0;gap:8px}.flow code{font-size:10px;padding:8px}.contact{padding:48px 0 56px}.contact>p:not(.eyebrow){font-size:16px}footer{min-height:140px;flex-wrap:wrap;gap:20px;padding:26px 0}footer p{display:none}footer .wordmark img{width:114px}}
@media(max-width:360px){.hero h1{font-size:43px}.site-wrap{padding:0 16px}.actions{gap:12px}.text-link{font-size:13px}.flow{gap:6px}.flow code{font-size:9px}}
@media(min-width:768px){.concept:last-child{grid-column:1/-1}.concept:last-child .concept-body>p{max-width:620px}.concept:last-child dl{max-width:720px}}