: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;
  --r-xs:4px;
  --r-sm:6px;
  --r-md:8px;
  --r-lg:12px;
  --r-xl:16px;
  --r-pill:9999px;
  --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:-0.015em;
  font-weight:400;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--ink);text-decoration:none;}
a:hover{text-decoration:underline;}
.container{max-width:var(--maxw);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);max-width:680px;}
.label{
  font-size:11px;font-weight:600;line-height:1.4;letter-spacing:0.88px;
  text-transform:uppercase;color:var(--muted);margin-bottom:12px;
}
.muted{color:var(--muted);}
.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:var(--r-pill);padding:4px 10px;
}

.top-nav{
  background:var(--canvas);border-bottom:1px solid var(--hairline);
  position:sticky;top:0;z-index:50;
}
.nav-inner{
  height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.wordmark{
  font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-0.02em;
  display:flex;align-items:center;gap:8px;
}
.wordmark .dot{width:10px;height:10px;border-radius:var(--r-pill);background:var(--primary);display:inline-block;}
.nav-menu{display:flex;align-items:center;gap:24px;list-style:none;margin:0;padding:0;}
.nav-menu a{font-size:14px;font-weight:500;color:var(--ink);}
.nav-toggle{display:none;background:none;border:1px solid var(--hairline-strong);border-radius:var(--r-md);padding:8px 10px;cursor:pointer;color:var(--ink);}

.hero{padding:80px 0 48px;}
.hero h1{margin-bottom:24px;}
.hero .lead{margin-bottom:24px;}
.cta-row{display:flex;flex-wrap:wrap;gap:16px;align-items:center;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:500;border-radius:var(--r-md);cursor:pointer;
  border:1px solid transparent;text-decoration:none;line-height:1;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--primary);color:var(--on-primary);height:40px;padding:10px 18px;}
.btn-primary:active{background:var(--primary-active);}
.btn-download{background:var(--ink);color:var(--canvas);height:44px;padding:12px 20px;}
.btn-secondary{background:var(--surface-card);color:var(--ink);border:1px solid var(--hairline-strong);height:40px;padding:10px 18px;}
.btn-text{color:var(--ink);padding:10px 4px;height:40px;}

.media{
  border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden;
  background:var(--surface-card);
}
.media img{width:100%;height:100%;object-fit:cover;}
.caption{font-size:13px;line-height:1.4;color:var(--muted);padding:12px 16px;}

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

.card{
  background:var(--surface-card);border:1px solid var(--hairline);
  border-radius:var(--r-lg);padding:24px;
}
.card h3,.card h4{margin-top:0;}
.feature-card .icon{
  width:36px;height:36px;border-radius:var(--r-md);background:var(--surface-strong);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--ink);font-weight:600;
}

.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}

.timeline{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0;}
.pill{
  font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;
  border-radius:var(--r-pill);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);}

.codeblock{
  background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);
  padding:20px;font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:13px;line-height:1.5;color:var(--ink);overflow-x:auto;
}

table.data{
  width:100%;border-collapse:collapse;background:var(--surface-card);
  border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden;font-size:14px;
}
table.data th,table.data td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--hairline);}
table.data th{color:var(--ink);font-weight:600;background:var(--canvas-soft);}
table.data tr:last-child td{border-bottom:none;}

.article-body{max-width:760px;}
.article-body h2{margin-top:48px;}
.article-body h3{margin-top:32px;}
.article-body ul,.article-body ol{color:var(--body);padding-left:20px;margin:0 0 16px;}
.article-body li{margin-bottom:8px;}
.note{
  background:var(--canvas-soft);border:1px solid var(--hairline);border-left:3px solid var(--tl-read);
  border-radius:var(--r-md);padding:16px 20px;margin:0 0 24px;color:var(--body);
}
.meta{font-size:13px;color:var(--muted);margin-bottom:24px;}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:24px;}
.crumbs a{color:var(--muted);}

.related{border-top:1px solid var(--hairline);margin-top:48px;padding-top:32px;}

.form{max-width:560px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input{
  width:100%;height:44px;background:var(--surface-card);color:var(--ink);
  border:1px solid var(--hairline-strong);border-radius:var(--r-md);padding:12px 16px;
  font-family:inherit;font-size:16px;
}
.field input:focus{outline:none;border-color:var(--ink);}
.field input:invalid:not(:placeholder-shown){border-color:var(--error);}
.form-msg{display:none;border-radius:var(--r-md);padding:12px 16px;font-size:14px;margin-top:8px;}
.form-msg.show{display:block;}
.form-msg.ok{background:rgba(31,138,101,0.1);color:var(--success);border:1px solid var(--success);}
.btn[disabled]{opacity:0.6;cursor:not-allowed;}

.cta-band{text-align:center;padding:96px 0;border-top:1px solid var(--hairline);}
.cta-band h2{margin-bottom:24px;}

.footer{
  background:var(--canvas);border-top:1px solid var(--hairline);
  padding:64px 0 48px;color:var(--body);font-size:14px;
}
.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:32px;}
.footer h5{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin:0 0 16px;}
.footer ul{list-style:none;margin:0;padding:0;}
.footer li{margin-bottom:10px;}
.footer a{color:var(--body);}
.footer-bottom{border-top:1px solid var(--hairline);margin-top:48px;padding-top:24px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;}
.disclaimer{font-size:13px;color:var(--muted);max-width:520px;margin-top:8px;}

.cookie{
  position:fixed;left:24px;right:24px;bottom:24px;z-index:100;
  background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:var(--r-lg);
  padding:20px 24px;display:none;max-width:760px;margin:0 auto;
}
.cookie.show{display:flex;gap:24px;align-items:center;flex-wrap:wrap;justify-content:space-between;}
.cookie p{margin:0;font-size:14px;color:var(--body);flex:1;min-width:240px;}
.cookie .actions{display:flex;gap:12px;}

@media (max-width:1024px){
  h1{font-size:56px;letter-spacing:-1.4px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .nav-menu{
    display:none;position:absolute;top:64px;left:0;right:0;background:var(--canvas);
    flex-direction:column;gap:0;border-bottom:1px solid var(--hairline);padding:8px 24px 16px;
  }
  .nav-menu.open{display:flex;}
  .nav-menu li{width:100%;padding:8px 0;border-bottom:1px solid var(--hairline-soft);}
  .nav-toggle{display:inline-flex;}
  h1{font-size:32px;letter-spacing:-0.5px;}
  h2{font-size:28px;letter-spacing:-0.4px;}
  .split{grid-template-columns:1fr;gap:24px;}
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:56px 0;}
}
@media (max-width:480px){
  .footer-grid{grid-template-columns:1fr;}
}