: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;
--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}
img{max-width:100%;display:block}
h1,h2,h3,h4{color:var(--ink);font-weight:400}
p{color:var(--body)}

.top-nav{background:var(--canvas);border-bottom:1px solid var(--hairline);position:sticky;top:0;z-index:50}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-0.3px}
.brand-dot{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)}
.nav-link-contact{background:var(--primary);color:var(--on-primary);padding:10px 18px;border-radius:8px;font-weight:500;height:40px;display:inline-flex;align-items:center}
.nav-link-contact: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}

.hero-band{padding:80px 0 56px}
.eyebrow{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
.hero-band h1{font-size:72px;line-height:1.1;letter-spacing:-2.16px;max-width:14ch;margin-bottom:20px}
.hero-lede{font-size:18px;color:var(--body);max-width:60ch;margin-bottom:24px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:40px}
.btn{display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:500;border-radius:8px;cursor:pointer;border:1px solid transparent;text-align:center}
.btn-download{background:var(--ink);color:var(--canvas);padding:12px 20px;height:44px}
.btn-download:hover{background:#000;color:var(--canvas)}
.btn-secondary{background:var(--surface-card);color:var(--ink);border:1px solid var(--hairline-strong);padding:10px 18px;height:40px}
.btn-text{color:var(--ink);background:none;padding:10px 4px;height:40px}
.btn-text:hover{color:var(--primary)}
.btn-primary{background:var(--primary);color:var(--on-primary);padding:10px 18px;height:40px}
.btn-primary:hover{background:var(--primary-active);color:var(--on-primary)}

.hero-figure{border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card)}
.hero-figure img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.figure-caption{font-size:13px;color:var(--muted);padding:12px 16px;border-top:1px solid var(--hairline-soft)}

.section{padding:80px 0}
.section-head{margin-bottom:40px;max-width:60ch}
.section-label{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.section-head h2{font-size:36px;line-height:1.2;letter-spacing:-0.72px;margin-bottom:12px}
.section-head p{font-size:16px;color:var(--body)}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.feature-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:24px}
.feature-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.feature-card p{font-size:16px;color:var(--body)}
.card-index{font-family:var(--mono);font-size:13px;color:var(--muted);margin-bottom:12px}

.article-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.article-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.article-card-body{padding:24px;display:flex;flex-direction:column;gap:8px;flex:1}
.badge-pill{align-self:flex-start;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}
.article-card h3{font-size:22px;line-height:1.3;letter-spacing:-0.11px}
.article-card p{font-size:16px;color:var(--body);flex:1}
.article-card .read{font-size:14px;font-weight:500;color:var(--primary)}

.timeline{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tl-pill{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;border-radius:9999px;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)}

.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:1.5;color:var(--ink);overflow-x:auto;white-space:pre}

.split{display:grid;grid-template-columns:1.1fr 0.9fr;gap:48px;align-items:center}
.split img{border-radius:12px;border:1px solid var(--hairline);aspect-ratio:4/3;object-fit:cover;width:100%}
.list-checks{list-style:none;display:flex;flex-direction:column;gap:12px;margin-top:16px}
.list-checks li{padding-left:24px;position:relative;color:var(--body)}
.list-checks li::before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:9999px;background:var(--primary)}

.article-main{padding:56px 0 80px}
.article-wrap{max-width:760px;margin:0 auto}
.article-head{margin-bottom:32px}
.article-head h1{font-size:36px;line-height:1.2;letter-spacing:-0.72px;margin:16px 0 12px}
.article-meta{font-size:13px;color:var(--muted);font-family:var(--mono)}
.article-hero{border:1px solid var(--hairline);border-radius:12px;overflow:hidden;margin-bottom:8px}
.article-hero img{aspect-ratio:16/9;object-fit:cover;width:100%}
.article-body h2{font-size:26px;line-height:1.25;letter-spacing:-0.325px;margin:40px 0 12px}
.article-body h3{font-size:22px;letter-spacing:-0.11px;margin:28px 0 8px}
.article-body p{margin-bottom:16px;letter-spacing:0.08px}
.article-body ul,.article-body ol{margin:0 0 16px 20px;color:var(--body)}
.article-body li{margin-bottom:8px}
.callout{background:var(--canvas-soft);border:1px solid var(--hairline);border-radius:12px;padding:20px;margin:24px 0}
.callout .section-label{margin-bottom:8px}
.inline-fig{margin:28px 0}
.inline-fig img{border:1px solid var(--hairline);border-radius:12px;aspect-ratio:16/9;object-fit:cover;width:100%}
.related{border-top:1px solid var(--hairline);margin-top:48px;padding-top:32px}

.contact-band{background:var(--canvas);padding:80px 0;border-top:1px solid var(--hairline)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px}
.form-field input,.form-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);min-height:44px}
.form-field textarea{min-height:120px;resize:vertical}
.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--ink)}
.form-status{font-size:14px;margin-top:12px;min-height:20px}
.form-status.success{color:var(--success)}
.contact-info p{margin-bottom:12px}
.contact-info a{color:var(--ink);border-bottom:1px solid var(--hairline-strong)}

.footer{background:var(--canvas);border-top:1px solid var(--hairline);padding:64px 0 48px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px}
.footer-head{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
.footer-link{display:block;font-size:14px;color:var(--body);margin-bottom:8px}
.footer-link:hover{color:var(--ink)}
.footer-note{font-size:14px;color:var(--body);margin-top:12px;max-width:34ch}
.footer-bottom{border-top:1px solid var(--hairline);padding-top:24px}
.footer-disclaimer{font-size:13px;color:var(--muted);margin-bottom:8px}
.footer-copy{font-size:13px;color:var(--muted)}

.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;z-index:100;display:none}
.cookie-banner.show{display:block}
.cookie-banner p{font-size:14px;color:var(--body);margin-bottom:16px}
.cookie-actions{display:flex;gap:12px}

@media(max-width:1024px){
.hero-band 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 16px}
.nav-menu.open{display:flex}
.nav-menu .nav-link{padding:10px 0;width:100%}
.nav-link-contact{margin-top:8px}
}
@media(max-width:640px){
.hero-band{padding:48px 0 32px}
.hero-band h1{font-size:32px;letter-spacing:-0.8px}
.section{padding:48px 0}
.section-head h2{font-size:28px}
.grid-3,.grid-2{grid-template-columns:1fr}
.split{grid-template-columns:1fr;gap:24px}
.contact-grid{grid-template-columns:1fr;gap:32px}
.footer-grid{grid-template-columns:1fr 1fr}
}