:root{
  --canvas:#f7f7f4;
  --canvas-soft:#fafaf7;
  --surface-card:#ffffff;
  --surface-strong:#e6e5e0;
  --hairline:#e6e5e0;
  --hairline-soft:#efeee8;
  --hairline-strong:#cfcdc4;
  --primary:#f54e00;
  --primary-active:#d04200;
  --ink:#26251e;
  --body:#5a5852;
  --muted:#807d72;
  --muted-soft:#a09c92;
  --on-primary:#ffffff;
  --tl-thinking:#dfa88f;
  --tl-grep:#9fc9a2;
  --tl-read:#9fbbe0;
  --tl-edit:#c0a8dd;
  --tl-done:#c08532;
  --success:#1f8a65;
  --error:#cf2d56;
  --maxw:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--canvas);
  color:var(--body);
  font-family:"Inter",system-ui,"Helvetica Neue",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.5;
  letter-spacing:-0.15px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{color:var(--ink);font-weight:400;margin:0 0 16px}
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}
.section{padding:80px 0}
.section-sm{padding:48px 0}
.eyebrow{
  display:inline-block;
  font-size:11px;
  font-weight:600;
  letter-spacing:0.88px;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:12px;
}
.lead{font-size:18px;color:var(--body)}
.muted{color:var(--muted)}

.top-nav{background:var(--canvas);border-bottom:1px solid var(--hairline);position:sticky;top:0;z-index:50}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}
.wordmark{font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-0.4px}
.wordmark span{color:var(--primary)}
.nav-menu{display:flex;align-items:center;gap:24px}
.nav-link{font-size:14px;font-weight:500;color:var(--ink)}
.nav-link:hover{color:var(--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;cursor:pointer;border:1px solid transparent;text-align:center}
.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)}
.btn-download{background:var(--ink);color:var(--canvas);padding:12px 20px;height:44px}
.btn-download:hover{color:var(--canvas);opacity:.92}
.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);font-weight:500;padding:10px 4px}
.btn-text:hover{color:var(--primary)}

.hero{background:var(--canvas);padding:80px 0 64px}
.hero .lead{max-width:620px;margin-bottom:24px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:48px}
.hero-figure{border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card)}
.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)}

.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 10px}

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

.card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:24px}
.card h3{font-size:22px;letter-spacing:-0.11px;margin-bottom:8px}
.card-title{font-size:18px;font-weight:600;letter-spacing:0;color:var(--ink);margin-bottom:8px}
.card-img{border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card);margin-bottom:16px}
.card-img img{width:100%;height:200px;object-fit:cover}
.card-link{color:var(--primary);font-weight:500;font-size:14px}
.card-link:hover{color:var(--primary-active)}

.section-head{max-width:680px;margin-bottom:40px}

.note-box{background:var(--canvas-soft);border:1px solid var(--hairline);border-radius:12px;padding:20px;margin:24px 0}
.note-box .note-label{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:8px}
.code-block{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:20px;font-family:"JetBrains Mono",ui-monospace,monospace;font-size:13px;color:var(--ink);overflow:auto;line-height:1.6}

.spec-table{width:100%;border-collapse:collapse;background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;overflow:hidden;margin:24px 0}
.spec-table th,.spec-table td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--hairline);font-size:15px}
.spec-table th{background:var(--canvas-soft);color:var(--ink);font-weight:600;font-size:14px}
.spec-table tr:last-child td{border-bottom:0}

.steps{counter-reset:step;list-style:none;padding:0;margin:24px 0}
.steps li{position:relative;padding:0 0 20px 44px;border-left:1px solid var(--hairline);margin-left:14px}
.steps li:last-child{border-left:1px solid transparent}
.steps li::before{counter-increment:step;content:counter(step);position:absolute;left:-14px;top:-2px;width:28px;height:28px;border-radius:9999px;background:var(--ink);color:var(--canvas);font-size:13px;font-weight:600;display:flex;align-items:center;justify-content:center}
.steps li strong{color:var(--ink);font-weight:600}

.article-wrap{max-width:760px;margin:0 auto;padding:48px 24px 80px}
.article-hero-img{border:1px solid var(--hairline);border-radius:12px;overflow:hidden;margin:24px 0}
.article-hero-img img{width:100%;height:360px;object-fit:cover}
.article-meta{font-size:13px;color:var(--muted);margin-bottom:8px}
.article-body h2{font-size:26px;letter-spacing:-0.325px;margin-top:40px}
.article-body h3{font-size:22px;margin-top:28px}
.article-body ul{padding-left:20px;margin:0 0 16px}
.article-body li{margin-bottom:8px}
.related{border-top:1px solid var(--hairline);margin-top:48px;padding-top:32px}

.contact-band{background:var(--canvas)}
.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,.form-field textarea{width:100%;background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:8px;padding:12px 16px;font-family:inherit;font-size:15px;color:var(--ink)}
.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--ink)}
.form-field textarea{min-height:120px;resize:vertical;height:auto}
.form-msg{font-size:14px;border-radius:8px;padding:12px 16px;margin-bottom:16px;display:none}
.form-msg.success{display:block;background:#e6f4ee;color:var(--success);border:1px solid #bfe3d3}
.contact-info p{margin-bottom:8px}
.contact-info .label{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted)}

.cookie-banner{position:fixed;left:0;right:0;bottom:0;background:var(--surface-card);border-top:1px solid var(--hairline-strong);padding:16px 24px;z-index:100;display:none}
.cookie-banner.show{display:block}
.cookie-inner{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cookie-text{font-size:14px;color:var(--body);max-width:680px}
.cookie-text a{color:var(--primary)}
.cookie-actions{display:flex;gap:12px}

.footer{background:var(--canvas);border-top:1px solid var(--hairline)}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:48px 24px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:32px}
.footer-head{display:block;font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.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:280px}
.footer-bottom{border-top:1px solid var(--hairline);padding:24px;max-width:var(--maxw);margin:0 auto}
.footer-disclaimer{font-size:13px;color:var(--muted);margin-bottom:8px}
.footer-copy{font-size:13px;color:var(--muted-soft);margin:0}

@media (max-width:1024px){
  h1{font-size:56px;letter-spacing:-1.5px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:repeat(3,1fr)}
}
@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}
  .nav-menu.open{display:flex}
  .nav-menu .nav-link{padding:12px 0;width:100%;border-bottom:1px solid var(--hairline-soft)}
}
@media (max-width:640px){
  h1{font-size:32px;letter-spacing:-1px}
  h2{font-size:28px}
  .section{padding:48px 0}
  .grid-3,.grid-2,.contact-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
  .hero-figure img,.article-hero-img img{height:240px}
}