: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;
  --success:#1f8a65;
  --error:#cf2d56;
  --tl-thinking:#dfa88f;
  --tl-grep:#9fc9a2;
  --tl-read:#9fbbe0;
  --tl-edit:#c0a8dd;
  --tl-done:#c08532;
  --sans:"Inter",system-ui,"Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--canvas);
  color:var(--body);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.5;
  letter-spacing:-0.01em;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;}
a:hover{text-decoration:underline;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

h1,h2,h3,h4{color:var(--ink);font-weight:400;margin:0;letter-spacing:-0.022em;}
h1{font-size:72px;line-height:1.1;letter-spacing:-0.03em;}
h2{font-size:36px;line-height:1.2;letter-spacing:-0.02em;}
h3{font-size:26px;line-height:1.25;}
h4{font-size:22px;line-height:1.3;}
p{margin:0 0 16px;}

.section{padding:80px 0;}
.section-tight{padding:48px 0;}
.label-eyebrow{
  font-size:11px;font-weight:600;line-height:1.4;letter-spacing:0.088em;
  text-transform:uppercase;color:var(--muted);margin-bottom:16px;
}

.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;}
.wordmark{font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-0.02em;}
.wordmark-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.is-active{color:var(--ink);}
.nav-link-cta{
  background:var(--primary);color:var(--on-primary);
  padding:10px 18px;border-radius:8px;font-weight:500;
}
.nav-link-cta:hover{background:var(--primary-active);text-decoration:none;}
.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;
  border-radius:8px;border:1px solid transparent;cursor:pointer;
  padding:10px 18px;line-height:1;text-decoration:none;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--primary);color:var(--on-primary);}
.btn-primary:hover{background:var(--primary-active);}
.btn-secondary{background:var(--surface-card);color:var(--ink);border-color:var(--hairline-strong);}
.btn-dark{background:var(--ink);color:var(--canvas);padding:12px 20px;height:44px;}
.btn-text{background:none;color:var(--ink);padding:10px 4px;}
.btn-text:hover{text-decoration:underline;}

.hero{padding:96px 0 64px;}
.hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:48px;align-items:center;}
.hero h1{margin-bottom:20px;}
.hero-sub{font-size:18px;color:var(--body);max-width:46ch;margin-bottom:32px;}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center;}
.hero-media{border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card);}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.hero-caption{font-size:13px;color:var(--muted);padding:12px 16px;border-top:1px solid var(--hairline);}

.timeline-pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:28px;}
.pill{
  font-size:11px;font-weight:600;letter-spacing:0.088em;text-transform:uppercase;
  border-radius:9999px;padding:4px 10px;color:var(--ink);
}
.pill-thinking{background:var(--tl-thinking);}
.pill-grep{background:var(--tl-grep);}
.pill-read{background:var(--tl-read);}
.pill-edit{background:var(--tl-edit);}
.pill-done{background:var(--tl-done);color:var(--on-primary);}

.badge{
  display:inline-block;font-size:11px;font-weight:600;letter-spacing:0.088em;text-transform:uppercase;
  background:var(--surface-strong);color:var(--ink);border-radius:9999px;padding:4px 10px;
}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.section-head{max-width:60ch;margin-bottom:40px;}
.section-head p{color:var(--body);font-size:18px;margin-top:12px;}

.card{
  background:var(--surface-card);border:1px solid var(--hairline);
  border-radius:12px;overflow:hidden;display:flex;flex-direction:column;
}
.card-media img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.card-body{padding:24px;display:flex;flex-direction:column;gap:8px;flex:1;}
.card h3{font-size:22px;}
.card p{font-size:16px;color:var(--body);margin:0;}
.card-meta{font-size:13px;color:var(--muted);margin-top:auto;padding-top:12px;}
.card-link{font-size:14px;font-weight:500;color:var(--primary);margin-top:8px;}

.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:15px;color:var(--body);margin:0;}

.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;
}

.article-hero{padding:56px 0 0;}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:20px;}
.breadcrumb a{color:var(--muted);}
.article-title{font-size:48px;line-height:1.1;letter-spacing:-0.03em;max-width:20ch;margin-bottom:16px;}
.article-lead{font-size:20px;color:var(--body);max-width:60ch;margin-bottom:24px;}
.article-byline{font-size:13px;color:var(--muted);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);padding:12px 0;margin-bottom:0;}
.article-figure{margin:40px 0;border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card);}
.article-figure img{width:100%;max-height:520px;object-fit:cover;}
.article-figure figcaption{font-size:13px;color:var(--muted);padding:12px 16px;border-top:1px solid var(--hairline);}

.prose{max-width:72ch;margin:0 auto;}
.prose h2{font-size:30px;margin:48px 0 16px;}
.prose h3{font-size:22px;margin:32px 0 12px;}
.prose p{color:var(--body);font-size:17px;line-height:1.65;}
.prose ul,.prose ol{color:var(--body);font-size:17px;line-height:1.7;padding-left:22px;margin:0 0 20px;}
.prose li{margin-bottom:8px;}
.prose a{color:var(--primary);}
.prose strong{color:var(--ink);font-weight:600;}

.callout{
  background:var(--canvas-soft);border:1px solid var(--hairline);border-left:3px solid var(--primary);
  border-radius:8px;padding:20px 24px;margin:28px 0;
}
.callout h4{font-size:16px;font-weight:600;margin-bottom:8px;}
.callout p{margin:0;font-size:16px;}

.steps{counter-reset:step;list-style:none;padding:0;margin:24px 0;}
.steps li{
  position:relative;padding:16px 16px 16px 56px;border:1px solid var(--hairline);
  border-radius:12px;background:var(--surface-card);margin-bottom:12px;font-size:16px;color:var(--body);
}
.steps li::before{
  counter-increment:step;content:counter(step);
  position:absolute;left:16px;top:16px;width:28px;height:28px;border-radius:9999px;
  background:var(--ink);color:var(--canvas);display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:600;font-family:var(--mono);
}
.steps li strong{display:block;color:var(--ink);margin-bottom:4px;}

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

.related{border-top:1px solid var(--hairline);margin-top:56px;padding-top:40px;}
.related h2{font-size:26px;margin-bottom:24px;}

.contact-band{background:var(--canvas-soft);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.contact-info p{color:var(--body);}
.contact-list{list-style:none;padding:0;margin:20px 0 0;}
.contact-list li{padding:8px 0;border-bottom:1px solid var(--hairline);font-size:15px;color:var(--ink);}
.contact-list span{display:block;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:0.06em;margin-bottom:2px;}

.form{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:32px;}
.field{margin-bottom:18px;}
.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:15px;color:var(--ink);
}
.field textarea{min-height:110px;resize:vertical;}
.field input:focus,.field textarea:focus{outline:2px solid var(--primary);outline-offset:1px;border-color:var(--primary);}
.form-note{font-size:13px;color:var(--muted);margin-top:4px;}
.form-status{margin-top:16px;font-size:15px;font-weight:500;display:none;}
.form-status.is-success{display:block;color:var(--success);}
.form-status.is-loading{display:block;color:var(--muted);}
.btn[disabled]{opacity:0.6;cursor:not-allowed;}

.footer{background:var(--canvas);border-top:1px solid var(--hairline);padding:64px 0 32px;}
.footer-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:32px;}
.footer-brand .footer-note{font-size:14px;color:var(--body);margin-top:16px;max-width:34ch;}
.footer-head{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:0.06em;color:var(--ink);margin-bottom:14px;}
.footer-link{display:block;font-size:14px;color:var(--body);padding:5px 0;}
.footer-base{margin-top:48px;padding-top:24px;border-top:1px solid var(--hairline);}
.footer-fine{font-size:13px;color:var(--muted);margin:0 0 8px;}

.cookie-banner{position:fixed;left:0;right:0;bottom:0;background:var(--ink);color:var(--canvas);z-index:60;}
.cookie-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 24px;}
.cookie-text{font-size:14px;margin:0;color:var(--canvas);max-width:70ch;}
.cookie-text a{color:#fff;text-decoration:underline;}
.cookie-actions{display:flex;gap:12px;flex-shrink:0;}

.legal{max-width:78ch;margin:0 auto;}
.legal h2{font-size:26px;margin:40px 0 12px;}
.legal p,.legal li{color:var(--body);font-size:16px;line-height:1.7;}
.legal ul{padding-left:22px;}

@media (max-width:1024px){
  h1{font-size:56px;}
  .hero-grid{grid-template-columns:1fr;}
  .article-title{font-size:40px;}
  .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);
    flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 16px;border-bottom:1px solid var(--hairline);
  }
  .nav-menu.is-open{display:flex;}
  .nav-menu .nav-link{padding:10px 0;width:100%;}
  .nav-link-cta{width:auto;}
}
@media (max-width:640px){
  h1{font-size:32px;}
  h2{font-size:28px;}
  .article-title{font-size:30px;}
  .section{padding:56px 0;}
  .hero{padding:48px 0 40px;}
  .grid-3,.grid-2,.contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cookie-inner{flex-direction:column;align-items:flex-start;}
  .cookie-actions{width:100%;}
  .cookie-actions .btn{flex:1;}
}