: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;
--tl-thinking:#dfa88f;--tl-grep:#9fc9a2;--tl-read:#9fbbe0;--tl-edit:#c0a8dd;--tl-done:#c08532;
--success:#1f8a65;--error:#cf2d56;
--r-xs:4px;--r-sm:6px;--r-md:8px;--r-lg:12px;--r-xl:16px;--r-pill:9999px;
--sp-xs:8px;--sp-sm:12px;--sp-base:16px;--sp-md:20px;--sp-lg:24px;--sp-xl:32px;--sp-xxl:48px;--sp-section:80px;
--sans:"Inter",system-ui,"Helvetica Neue",Helvetica,Arial,sans-serif;
--mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--canvas);color:var(--body);font-family:var(--sans);font-size:16px;line-height:1.5;letter-spacing:-0.15px;-webkit-font-smoothing:antialiased}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
a{color:var(--ink);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
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:var(--r-md);z-index:200}
.skip-link:focus{left:16px;top:16px}

.top-nav{background:var(--canvas);border-bottom:1px solid var(--hairline);position:sticky;top:0;z-index:100}
.nav-inner{height:64px;display:flex;align-items:center;justify-content:space-between}
.brand{font-size:20px;font-weight:600;letter-spacing:-0.4px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand span{color:var(--primary)}
.nav-menu{display:flex;align-items:center;gap:24px}
.nav-link{font-size:14px;font-weight:500;color:var(--body)}
.nav-link:hover{color:var(--ink);text-decoration:none}
.nav-cta{background:var(--primary);color:var(--on-primary);padding:10px 18px;border-radius:var(--r-md);height:40px;display:inline-flex;align-items:center}
.nav-cta:hover{background:var(--primary-active);color:var(--on-primary)}
.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{font-size:14px;font-weight:500;border-radius:var(--r-md);padding:10px 18px;height:40px;border:1px solid transparent;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-family:var(--sans)}
.btn-primary{background:var(--primary);color:var(--on-primary)}
.btn-primary:hover{background:var(--primary-active);text-decoration:none}
.btn-secondary{background:var(--surface-card);color:var(--ink);border-color:var(--hairline-strong)}
.btn-secondary:hover{text-decoration:none}
.btn-ink{background:var(--ink);color:var(--canvas);height:44px;padding:12px 20px}
.btn-ink:hover{text-decoration:none;color:var(--canvas)}
.btn-text{color:var(--ink);background:none;padding:10px 4px}

.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:var(--r-pill);padding:4px 10px}
.label{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted)}

.section{padding:80px 0}
.section-sm{padding:48px 0}
.hero{background:var(--canvas);padding:80px 0 64px}
.hero h1{font-size:72px;line-height:1.1;letter-spacing:-2.16px;max-width:14ch}
.hero .lead{font-size:18px;color:var(--body);max-width:60ch;margin-top:20px}
.hero-actions{margin-top:32px;display:flex;gap:12px;flex-wrap:wrap}
.hero-figure{margin-top:48px;background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden}
.hero-figure img{width:100%;height:420px;object-fit:cover}
.figure-caption{font-size:13px;color:var(--muted);padding:12px 16px;border-top:1px solid var(--hairline)}

.section-head{max-width:60ch}
.section-head .display-lg{font-size:36px;line-height:1.2;letter-spacing:-0.72px}
.section-head p{margin-top:12px;color:var(--body)}
.eyebrow{margin-bottom:12px}

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

.feature-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:24px}
.feature-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.feature-card p{font-size:15px}
.feature-card .label{display:block;margin-bottom:12px}

.article-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column}
.article-card img{width:100%;height:200px;object-fit:cover}
.article-card .ac-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.article-card h3{font-size:22px;line-height:1.3;letter-spacing:-0.11px}
.article-card p{font-size:15px}
.article-card .read{margin-top:auto;font-weight:600;color:var(--primary);font-size:14px}

.timeline-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tl-pill{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;border-radius:var(--r-pill);padding:4px 10px;color:var(--ink)}
.tl-thinking{background:var(--tl-thinking)}.tl-grep{background:var(--tl-grep)}.tl-read{background:var(--tl-read)}.tl-edit{background:var(--tl-edit)}.tl-done{background:var(--tl-done);color:var(--on-primary)}

.callout{background:var(--canvas-soft);border:1px solid var(--hairline);border-left:3px solid var(--primary);border-radius:var(--r-md);padding:20px 24px;margin:24px 0}
.callout h4{font-size:16px;font-weight:600;margin-bottom:6px}
.code-block{background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:20px;font-family:var(--mono);font-size:13px;color:var(--ink);margin:24px 0;white-space:pre-wrap}

.article-page{padding:64px 0}
.article-wrap{max-width:760px;margin:0 auto}
.article-wrap h1{font-size:44px;line-height:1.1;letter-spacing:-1.2px;margin:16px 0}
.article-meta{font-size:13px;color:var(--muted);display:flex;gap:16px;flex-wrap:wrap;margin-bottom:8px}
.article-wrap h2{font-size:26px;letter-spacing:-0.325px;margin:40px 0 12px}
.article-wrap h3{font-size:20px;font-weight:600;margin:28px 0 8px}
.article-wrap p{margin:14px 0;color:var(--body)}
.article-wrap ul,.article-wrap ol{margin:14px 0 14px 22px;color:var(--body)}
.article-wrap li{margin:6px 0}
.article-lede{font-size:18px;color:var(--ink)}
.article-figure{margin:28px 0;border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden}
.article-figure img{width:100%;height:360px;object-fit:cover}
.steps{counter-reset:step;list-style:none;margin-left:0}
.steps li{position:relative;padding-left:44px;margin:16px 0}
.steps li::before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:30px;height:30px;background:var(--ink);color:var(--canvas);border-radius:var(--r-pill);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600}
.fact-table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.fact-table th,.fact-table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--hairline)}
.fact-table th{background:var(--canvas-soft);color:var(--ink);font-weight:600}
.related{margin-top:48px;border-top:1px solid var(--hairline);padding-top:24px}

.form-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:32px}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px}
.form-row input{width:100%;background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:var(--r-md);padding:12px 16px;height:44px;font-family:var(--sans);font-size:15px;color:var(--ink)}
.form-row input:focus{outline:none;border-color:var(--primary)}
.form-msg{margin-top:14px;font-size:15px;font-weight:500}
.form-msg.success{color:var(--success)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-info p{margin:10px 0}

.prose{max-width:760px;margin:0 auto}
.prose h1{font-size:44px;letter-spacing:-1.2px;margin-bottom:8px}
.prose h2{font-size:24px;margin:32px 0 10px}
.prose p{margin:14px 0;color:var(--body)}
.prose ul{margin:14px 0 14px 22px;color:var(--body)}
.prose li{margin:6px 0}
.updated{font-size:13px;color:var(--muted);margin-bottom:24px}

.footer{background:var(--canvas);border-top:1px solid var(--hairline);padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-head{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.footer-link{display:block;font-size:14px;color:var(--body);margin:8px 0}
.footer-note{font-size:14px;color:var(--body);margin-top:12px;max-width:36ch}
.footer-bottom{margin-top:48px;border-top:1px solid var(--hairline);padding-top:24px}
.footer-bottom p{font-size:13px;color:var(--muted);margin:6px 0}

.cookie-banner{position:fixed;left:0;right:0;bottom:0;background:var(--surface-card);border-top:1px solid var(--hairline-strong);z-index:150}
.cookie-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:16px;padding-bottom:16px}
.cookie-text{font-size:14px;color:var(--body)}
.cookie-actions{display:flex;gap:12px;flex-shrink:0}

@media (max-width:1024px){
.hero h1{font-size:56px;letter-spacing:-1.4px}
.grid-3{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
.nav-toggle{display:flex}
.nav-menu{display:none;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 20px}
.nav-menu.open{display:flex}
.nav-menu .nav-link{padding:12px 0;width:100%}
.nav-cta{margin-top:8px}
.hero h1{font-size:36px;letter-spacing:-0.8px}
.hero-figure img{height:240px}
.grid-3,.grid-2{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr;gap:32px}
.footer-grid{grid-template-columns:1fr 1fr}
.cookie-inner{flex-direction:column;align-items:flex-start}
.article-wrap h1{font-size:32px}
}
@media (max-width:480px){
.footer-grid{grid-template-columns:1fr}
}