: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;
  --success:#1f8a65;
  --error:#cf2d56;
  --pill-thinking:#dfa88f;
  --pill-grep:#9fc9a2;
  --pill-read:#9fbbe0;
  --pill-edit:#c0a8dd;
  --pill-done:#c08532;
  --max:1200px;
  --sans:"Inter",system-ui,"Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,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:-0.15px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--primary)}

.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-sm{padding:48px 0}

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}
.lead{font-size:18px;color:var(--body)}

.label{
  font-size:11px;
  font-weight:600;
  line-height:1.4;
  letter-spacing:0.88px;
  text-transform:uppercase;
  color:var(--muted);
  margin:0 0 12px;
}

.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;
}

.site-nav{
  background:var(--canvas);
  border-bottom:1px solid var(--hairline);
  position:sticky;
  top:0;
  z-index:50;
}
.site-nav .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:64px;
}
.wordmark{
  font-size:18px;
  font-weight:600;
  letter-spacing:-0.3px;
  color:var(--ink);
}
.wordmark b{color:var(--primary);font-weight:600}
.nav-links{display:flex;align-items:center;gap:24px;list-style:none;margin:0;padding:0}
.nav-links a{font-size:14px;font-weight:500;color:var(--body)}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-toggle{
  display:none;
  background:var(--surface-card);
  border:1px solid var(--hairline-strong);
  border-radius:8px;
  width:40px;height:40px;
  cursor:pointer;
  color:var(--ink);
  font-size:18px;
  line-height:1;
}

.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;
  transition:background .15s ease,color .15s ease;
}
.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{color:var(--ink);border-color:var(--ink)}
.btn-ink{background:var(--ink);color:var(--canvas);height:44px;padding:12px 20px}
.btn-ink:hover{color:var(--canvas);opacity:.9}
.btn-text{color:var(--ink);text-decoration:underline;text-underline-offset:3px}

.hero{background:var(--canvas);padding:80px 0 64px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.hero-figure{
  background:var(--surface-card);
  border:1px solid var(--hairline);
  border-radius:12px;
  overflow:hidden;
}
.hero-figure img{width:100%;height:380px;object-fit:cover}
.figcap{
  font-size:13px;
  line-height:1.4;
  color:var(--muted);
  padding:12px 16px;
  border-top:1px solid var(--hairline-soft);
}
.figcap a{color:var(--muted);text-decoration:underline}

.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,.card h4{margin-top:0}
.card .label{margin-bottom:8px}
.card p:last-child{margin-bottom:0}

.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:200px;object-fit:cover}
.article-card .body{padding:24px;display:flex;flex-direction:column;flex:1}
.article-card h3{font-size:22px;letter-spacing:-0.11px;margin-bottom:8px}
.article-card p{font-size:15px;flex:1}
.article-card .read{font-size:14px;font-weight:500;color:var(--ink);text-decoration:underline;text-underline-offset:3px}

.band-soft{background:var(--canvas-soft);border-top:1px solid var(--hairline-soft);border-bottom:1px solid var(--hairline-soft)}

.steps{list-style:none;margin:0;padding:0;counter-reset:step}
.steps li{
  position:relative;
  padding:16px 0 16px 48px;
  border-bottom:1px solid var(--hairline-soft);
  counter-increment:step;
}
.steps li:last-child{border-bottom:none}
.steps li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;
  left:0;top:16px;
  font-family:var(--mono);
  font-size:13px;
  color:var(--primary);
}
.steps strong{color:var(--ink)}

.code-note{
  background:var(--surface-card);
  border:1px solid var(--hairline);
  border-radius:12px;
  padding:20px;
  font-family:var(--mono);
  font-size:13px;
  line-height:1.6;
  color:var(--ink);
  overflow-x:auto;
}
.code-note .c{color:var(--muted)}

.callout{
  background:var(--canvas-soft);
  border:1px solid var(--hairline);
  border-left:3px solid var(--pill-done);
  border-radius:12px;
  padding:20px 24px;
}
.callout .label{color:var(--pill-done)}

.feature-list{list-style:none;margin:0;padding:0}
.feature-list li{
  position:relative;
  padding:8px 0 8px 24px;
  border-bottom:1px solid var(--hairline-soft);
}
.feature-list li:last-child{border-bottom:none}
.feature-list li::before{
  content:"";
  position:absolute;
  left:0;top:16px;
  width:8px;height:8px;
  border-radius:9999px;
  background:var(--pill-grep);
}

.divider{height:1px;background:var(--hairline);border:none;margin:0}

.page-head{padding:64px 0 32px;border-bottom:1px solid var(--hairline)}
.page-head h1{font-size:48px;letter-spacing:-1.2px}
.meta{font-size:13px;color:var(--muted)}

.article-body{max-width:760px;margin:0 auto}
.article-body h2{margin-top:48px}
.article-body h3{margin-top:32px;font-size:22px;letter-spacing:-0.11px}
.article-body figure{margin:32px 0}
.article-body figure img{
  width:100%;
  border-radius:12px;
  border:1px solid var(--hairline);
  max-height:420px;
  object-fit:cover;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
}
.article-body th,.article-body td{
  text-align:left;
  padding:12px 16px;
  border-bottom:1px solid var(--hairline);
}
.article-body th{
  background:var(--canvas-soft);
  color:var(--ink);
  font-weight:600;
  font-size:14px;
}
.toc{
  background:var(--canvas-soft);
  border:1px solid var(--hairline);
  border-radius:12px;
  padding:20px 24px;
  margin:24px 0 8px;
}
.toc .label{margin-bottom:8px}
.toc ul{margin:0;padding-left:18px}
.toc li{margin:4px 0}
.toc a{color:var(--body);text-decoration:underline;text-underline-offset:2px}

.related a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;font-weight:500}

.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(--sans);
  font-size:16px;
  color:var(--ink);
}
.form-field input:focus{outline:none;border-color:var(--ink)}
.form-field input:invalid:not(:placeholder-shown){border-color:var(--error)}
.form-note{font-size:13px;color:var(--muted);margin-top:12px}
.form-status{
  display:none;
  margin-top:16px;
  padding:12px 16px;
  border-radius:8px;
  font-size:14px;
}
.form-status.show{display:block}
.form-status.success{background:rgba(31,138,101,.1);color:var(--success);border:1px solid rgba(31,138,101,.3)}
.btn[disabled]{opacity:.6;cursor:default}

.site-footer{
  background:var(--canvas);
  border-top:1px solid var(--hairline);
  padding:64px 0 48px;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.footer-grid h4{font-size:16px;font-weight:600;margin-bottom:12px}
.footer-grid ul{list-style:none;margin:0;padding:0}
.footer-grid li{margin:8px 0}
.footer-grid a{font-size:14px;color:var(--body)}
.footer-grid p{font-size:14px;color:var(--body)}
.footer-bottom{
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid var(--hairline);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  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 24px;
  z-index:100;
  display:none;
}
.cookie-banner.show{display:block}
.cookie-banner p{font-size:14px;color:var(--body);margin:0 0 16px}
.cookie-banner a{text-decoration:underline}
.cookie-actions{display:flex;gap:12px}

@media(max-width:1024px){
  h1{font-size:56px;letter-spacing:-1.6px}
  .hero-figure img{height:320px}
}
@media(max-width:768px){
  .nav-links{
    display:none;
    position:absolute;
    top:64px;left:0;right:0;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    background:var(--canvas);
    border-bottom:1px solid var(--hairline);
    padding:8px 24px 16px;
  }
  .nav-links.open{display:flex}
  .nav-links li{width:100%;padding:8px 0}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .hero-grid,.contact-grid{grid-template-columns:1fr}
  .grid-3,.grid-2,.footer-grid{grid-template-columns:1fr}
  h1{font-size:36px;letter-spacing:-1px}
  h2{font-size:28px;letter-spacing:-0.5px}
  .section{padding:48px 0}
}
@media(min-width:641px) and (max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
}