:root{
  --primary:#f54e00;--primary-active:#d04200;
  --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;
  --gold:#c08532;--success:#1f8a65;--error:#cf2d56;
  --max:1200px;--sp-section:80px;
  --font:Inter,system-ui,"Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--canvas);color:var(--body);font-family:var(--font);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;letter-spacing:-0.15px}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--primary)}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{color:var(--ink);font-weight:400;margin:0 0 16px;letter-spacing:-0.5px}
h1{font-size:72px;line-height:1.1;letter-spacing:-2.16px}
h2{font-size:36px;line-height:1.2;letter-spacing:-0.72px}
h3{font-size:26px;line-height:1.25;letter-spacing:-0.325px}
h4{font-size:22px;line-height:1.3;letter-spacing:-0.11px}
p{margin:0 0 16px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--canvas);padding:8px 16px;border-radius:8px;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}
.wordmark{font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-0.3px}
.wordmark-amp{color:var(--primary);margin:0 1px}
.nav-menu{display:flex;align-items:center;gap:24px}
.nav-link{font-size:14px;font-weight:500;color:var(--ink)}
.nav-link-cta{background:var(--ink);color:var(--canvas);padding:9px 16px;border-radius:8px}
.nav-link-cta:hover{background:var(--primary);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{display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:500;border-radius:8px;padding:10px 18px;height:40px;cursor:pointer;border:1px solid transparent;line-height:1;transition:background .15s,color .15s}
.btn-primary{background:var(--primary);color:var(--on-primary)}
.btn-primary:hover{background:var(--primary-active);color:var(--on-primary)}
.btn-secondary{background:var(--surface-card);color:var(--ink);border-color:var(--hairline-strong)}
.btn-secondary:hover{border-color:var(--ink);color:var(--ink)}
.btn-ink{background:var(--ink);color:var(--canvas);height:44px;padding:12px 20px}
.btn-ink:hover{background:var(--primary);color:var(--on-primary)}

.badge{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 12px}
.section{padding:var(--sp-section) 0}
.section-sm{padding:48px 0}
.eyebrow{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:12px;display:block}
.lead{font-size:18px;color:var(--body);max-width:62ch}

.hero{background:var(--canvas);border-bottom:1px solid var(--hairline);padding:72px 0 64px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{margin-bottom:20px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.hero-fig{margin:0;border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card)}
.hero-fig img{width:100%;height:380px;object-fit:cover}
.figcap{font-size:13px;color:var(--muted);padding:10px 14px;border-top:1px solid var(--hairline-soft)}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:24px}
.card h3{font-size:22px}
.card .card-step{font-family:var(--mono);font-size:13px;color:var(--gold);display:block;margin-bottom:8px}
.card p{margin-bottom:0;font-size:15px}

.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%;height:190px;object-fit:cover}
.article-card .ac-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.article-card h3{font-size:22px;margin:0}
.article-card p{font-size:15px;margin:0;flex:1}
.article-meta{font-size:13px;color:var(--muted);font-family:var(--mono)}
.read-on{font-size:14px;font-weight:500;color:var(--primary)}

.section-head{margin-bottom:40px;max-width:70ch}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.figure{margin:0;border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card)}
.figure img{width:100%;height:320px;object-fit:cover}

.callout{background:var(--surface-card);border:1px solid var(--hairline);border-left:3px solid var(--gold);border-radius:12px;padding:20px 24px}
.callout .eyebrow{color:var(--gold)}
.code-block{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:20px;font-family:var(--mono);font-size:13px;color:var(--ink);line-height:1.6;overflow-x:auto;white-space:pre}

.checklist{list-style:none;padding:0;margin:0}
.checklist li{position:relative;padding:10px 0 10px 30px;border-bottom:1px solid var(--hairline-soft);font-size:15px}
.checklist li:before{content:"";position:absolute;left:0;top:14px;width:14px;height:8px;border-left:2px solid var(--gold);border-bottom:2px solid var(--gold);transform:rotate(-45deg)}

.article-body{max-width:760px;margin:0 auto}
.article-body p,.article-body li{color:var(--body)}
.article-body h2{margin-top:40px}
.article-body h3{margin-top:28px;font-size:22px}
.article-body figure{margin:32px 0}
.article-body ul,.article-body ol{padding-left:22px}
.article-body li{margin-bottom:8px}
.article-hero{border-bottom:1px solid var(--hairline);padding:56px 0 40px}
.toc{background:var(--canvas-soft);border:1px solid var(--hairline);border-radius:12px;padding:20px 24px;margin:28px 0}
.toc ul{margin:8px 0 0;padding-left:20px}
.toc a{color:var(--body)}

.ref-list{font-size:14px;border-top:1px solid var(--hairline);padding-top:20px;margin-top:40px}
.ref-list a{color:var(--primary);word-break:break-word}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.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{width:100%;height:44px;background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:8px;padding:12px 16px;font-family:var(--font);font-size:15px;color:var(--ink)}
.form-field input:focus{outline:none;border-color:var(--primary)}
.form-field input:invalid:not(:placeholder-shown){border-color:var(--error)}
.form-status{font-size:14px;margin-top:8px;min-height:20px}
.form-status.ok{color:var(--success)}
.contact-aside .card{margin-bottom:16px}
.contact-aside p{font-size:15px}

.footer{background:var(--canvas);border-top:1px solid var(--hairline);padding:64px 0 40px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.footer-head{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:14px}
.footer-link{display:block;font-size:14px;color:var(--body);margin-bottom:10px}
.footer-note{font-size:14px;color:var(--muted);max-width:40ch;margin-top:12px}
.footer-bottom{border-top:1px solid var(--hairline);margin-top:40px;padding-top:24px;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-disclaimer{font-size:13px;color:var(--muted);max-width:70ch;margin:0}
.footer-copy{font-size:13px;color:var(--muted);margin:0}

.cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;max-width:560px;margin:0 auto;background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:12px;padding:20px 24px;z-index:300;display:flex;flex-direction:column;gap:14px}
.cookie-text{font-size:14px;color:var(--body);margin:0}
.cookie-actions{display:flex;gap:12px;justify-content:flex-end}

@media (max-width:1024px){
  h1{font-size:56px;letter-spacing:-1.4px}
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr;gap:32px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .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:12px 0;width:100%}
  .nav-toggle{display:flex}
}
@media (max-width:640px){
  h1{font-size:32px;letter-spacing:-1px}
  h2{font-size:28px;letter-spacing:-0.5px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
  .hero-fig img{height:260px}
}