:root{
--canvas:#f7f7f4;--canvas-soft:#fafaf7;--surface-card:#ffffff;--surface-strong:#e6e5e0;
--hairline:#e6e5e0;--hairline-soft:#efeee8;--hairline-strong:#cfcdc4;
--ink:#26251e;--body:#5a5852;--muted:#807d72;--muted-soft:#a09c92;--on-primary:#ffffff;
--primary:#f54e00;--primary-active:#d04200;
--t-thinking:#dfa88f;--t-grep:#9fc9a2;--t-read:#9fbbe0;--t-edit:#c0a8dd;--t-done:#c08532;
--success:#1f8a65;--error:#cf2d56;
--sans:"Inter",system-ui,"Helvetica Neue",Helvetica,Arial,sans-serif;
--mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
--maxw:1200px;
--xxs:4px;--xs:8px;--sm:12px;--base:16px;--md:20px;--lg:24px;--xl:32px;--xxl:48px;--section:80px;
}
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400&display=swap");
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);background:var(--canvas);color:var(--body);font-size:16px;line-height:1.5;letter-spacing:-0.011em;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{color:var(--ink);font-weight:400}
.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--canvas);padding:8px 14px;border-radius:8px;z-index:200}
.skip-link:focus{left:12px;top:12px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:var(--section) 0}
.section-tight{padding:48px 0}
.eyebrow{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted)}
.lead{font-size:18px;color:var(--body);max-width:62ch}
.muted{color:var(--muted)}
.center{text-align:center}

.top-nav{position:sticky;top:0;z-index:100;background:var(--canvas);border-bottom:1px solid var(--hairline)}
.nav-inner{max-width:var(--maxw);margin:0 auto;height:64px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.wordmark{font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-0.02em}
.wordmark::first-letter{color:var(--primary)}
.nav-menu{display:flex;align-items:center;gap:24px}
.nav-link{font-size:14px;font-weight:500;color:var(--body);transition:color .15s}
.nav-link:hover{color:var(--ink)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:22px;height:2px;background:var(--ink);display:block}

.btn{display:inline-flex;align-items:center;justify-content:center;font-family:var(--sans);font-size:14px;font-weight:500;line-height:1;cursor:pointer;border:1px solid transparent;transition:background .15s,border-color .15s,color .15s}
.btn-primary{background:var(--primary);color:var(--on-primary);padding:10px 18px;height:40px;border-radius:8px}
.btn-primary:hover{background:var(--primary-active)}
.btn-secondary{background:var(--surface-card);color:var(--ink);border-color:var(--hairline-strong);padding:10px 18px;height:40px;border-radius:8px}
.btn-secondary:hover{border-color:var(--ink)}
.btn-download{background:var(--ink);color:var(--canvas);padding:12px 20px;height:44px;border-radius:8px}
.btn-download:hover{background:#000}
.btn-text{color:var(--ink);font-weight:500;text-decoration:underline;text-underline-offset:3px}

.hero{background:var(--canvas);padding:96px 0 64px}
.hero h1{font-size:72px;line-height:1.1;letter-spacing:-2.16px;max-width:14ch}
.hero .lead{margin-top:24px;font-size:18px}
.hero-actions{margin-top:32px;display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.hero-figure{margin-top:48px;border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card)}
.hero-figure img{width:100%;max-height:460px;object-fit:cover}
.figcap{font-size:13px;color:var(--muted);padding:12px 16px;border-top:1px solid var(--hairline-soft)}

.badge-pill{display:inline-block;background:var(--surface-strong);color:var(--ink);font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;border-radius:9999px;padding:4px 10px}

.section-head{max-width:62ch}
.section-head h2{font-size:36px;line-height:1.2;letter-spacing:-0.72px;margin-top:8px}
.section-head p{margin-top:12px}

.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.mt-32{margin-top:32px}.mt-48{margin-top:48px}

.feature-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:8px}
.feature-card h3{font-size:18px;font-weight:600}
.feature-card p{font-size:16px}
.feature-card .num{font-family:var(--mono);font-size:13px;color:var(--muted)}

.article-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.article-card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.article-card .ac-body{padding:24px;display:flex;flex-direction:column;gap:8px;flex:1}
.article-card h3{font-size:22px;line-height:1.3;letter-spacing:-0.11px}
.article-card p{font-size:16px;flex:1}
.article-card .ac-meta{font-size:13px;color:var(--muted);font-family:var(--mono)}

.steps{counter-reset:step;display:grid;gap:16px}
.step{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:20px 24px;display:flex;gap:16px;align-items:flex-start}
.step::before{counter-increment:step;content:counter(step);font-family:var(--mono);font-size:13px;color:var(--on-primary);background:var(--ink);min-width:28px;height:28px;border-radius:9999px;display:flex;align-items:center;justify-content:center}
.step h3{font-size:16px;font-weight:600;margin-bottom:4px}

.timeline{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.tl-pill{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--ink);border-radius:9999px;padding:4px 10px}
.tl-thinking{background:var(--t-thinking)}.tl-grep{background:var(--t-grep)}.tl-read{background:var(--t-read)}.tl-edit{background:var(--t-edit)}.tl-done{background:var(--t-done);color:var(--on-primary)}

.code-block{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:20px;font-family:var(--mono);font-size:13px;line-height:1.6;color:var(--ink);overflow-x:auto;white-space:pre}

.split{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.split img{border:1px solid var(--hairline);border-radius:12px;width:100%;object-fit:cover}

.callout{background:var(--canvas-soft);border:1px solid var(--hairline);border-left:3px solid var(--primary);border-radius:8px;padding:20px 24px}
.callout h3{font-size:16px;font-weight:600;margin-bottom:6px}

.facts{border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card)}
.facts dl{display:grid;grid-template-columns:1fr 1fr}
.facts div{padding:16px 20px;border-bottom:1px solid var(--hairline-soft)}
.facts dt{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted)}
.facts dd{font-size:16px;color:var(--ink);margin-top:4px}

.prose{max-width:72ch}
.prose h2{font-size:26px;line-height:1.25;letter-spacing:-0.325px;margin:40px 0 12px}
.prose h3{font-size:22px;letter-spacing:-0.11px;margin:28px 0 10px}
.prose p{margin:0 0 16px;color:var(--body)}
.prose ul,.prose ol{margin:0 0 16px 20px}
.prose li{margin-bottom:8px}
.prose a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--primary)}
.prose figure{margin:24px 0}
.prose figure img{border:1px solid var(--hairline);border-radius:12px}
.prose figcaption{font-size:13px;color:var(--muted);margin-top:8px}
.article-hero{border:1px solid var(--hairline);border-radius:12px;overflow:hidden;margin:24px 0 8px}
.article-hero img{max-height:420px;width:100%;object-fit:cover}
.byline{font-size:13px;font-family:var(--mono);color:var(--muted)}

.crosslinks{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:24px}
.crosslink{border:1px solid var(--hairline);border-radius:8px;padding:16px 20px;background:var(--surface-card)}
.crosslink span{font-size:11px;font-weight:600;letter-spacing:.88px;text-transform:uppercase;color:var(--muted)}
.crosslink strong{display:block;color:var(--ink);font-weight:600;margin-top:4px}

.form-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:32px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px}
.field input,.field textarea{width:100%;background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:8px;padding:12px 16px;font-family:var(--sans);font-size:16px;color:var(--ink)}
.field textarea{min-height:120px;resize:vertical;padding:12px 16px}
.field input:focus,.field textarea:focus{outline:2px solid var(--primary);outline-offset:1px;border-color:var(--primary)}
.field .hint{font-size:13px;color:var(--muted);margin-top:6px}
.form-status{display:none;border-radius:8px;padding:14px 16px;font-size:14px;margin-bottom:16px}
.form-status.show{display:block}
.form-status.success{background:rgba(31,138,101,.1);color:var(--success);border:1px solid rgba(31,138,101,.3)}
.btn[disabled]{opacity:.6;cursor:not-allowed}

.cta-band{background:var(--canvas);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);padding:96px 0;text-align:center}
.cta-band h2{font-size:36px;line-height:1.2;letter-spacing:-0.72px;max-width:18ch;margin:0 auto}
.cta-band p{margin:16px auto 0;max-width:54ch}

.footer{background:var(--canvas);border-top:1px solid var(--hairline);padding:64px 0 40px}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.footer-about{font-size:14px;color:var(--body);margin-top:12px;max-width:38ch}
.footer-head{font-size:11px;font-weight:600;letter-spacing:.88px;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.footer-link{display:block;font-size:14px;color:var(--body);padding:4px 0}
.footer-link:hover{color:var(--ink)}
.footer-base{max-width:var(--maxw);margin:40px auto 0;padding:24px 24px 0;border-top:1px solid var(--hairline-soft)}
.footer-disclaimer{font-size:13px;color:var(--muted);max-width:80ch}
.footer-copy{font-size:13px;color:var(--muted-soft);margin-top:8px}

.cookie-banner{position:fixed;left:24px;right:24px;bottom:24px;max-width:560px;margin:0 auto;background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:12px;padding:20px 24px;z-index:150;display:flex;flex-direction:column;gap:14px}
.cookie-banner[hidden]{display:none}
.cookie-text{font-size:14px;color:var(--body)}
.cookie-actions{display:flex;gap:12px;justify-content:flex-end}

@media(max-width:1024px){
.hero h1{font-size:56px;letter-spacing:-1.4px}
.grid-3{grid-template-columns:repeat(2,1fr)}
.split{grid-template-columns:1fr;gap:24px}
.footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
.nav-toggle{display:flex}
.nav-menu{position:absolute;top:64px;left:0;right:0;background:var(--canvas);border-bottom:1px solid var(--hairline);flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 16px;display:none}
.nav-menu.open{display:flex}
.nav-menu .nav-link{padding:10px 0;width:100%}
.section{padding:56px 0}
.hero{padding:56px 0 40px}
}
@media(max-width:640px){
.hero h1{font-size:32px;letter-spacing:-0.8px}
.grid-3,.grid-2,.facts dl,.crosslinks{grid-template-columns:1fr}
.footer-inner{grid-template-columns:1fr}
.cta-band h2{font-size:26px;letter-spacing:-0.325px}
}