: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;
  --primary:#f54e00;
  --primary-active:#d04200;
  --on-primary:#ffffff;
  --success:#1f8a65;
  --error:#cf2d56;
  --t-thinking:#dfa88f;
  --t-grep:#9fc9a2;
  --t-read:#9fbbe0;
  --t-edit:#c0a8dd;
  --t-done:#c08532;
  --max:1200px;
  --sans:Inter,system-ui,"Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
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%;height:auto;display:block}
a{color:var(--ink);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}

h1,h2,h3{color:var(--ink);font-weight:400;margin:0 0 16px}
h1{font-size:48px;line-height:1.1;letter-spacing:-1.5px}
h2{font-size:36px;line-height:1.2;letter-spacing:-0.72px}
h3{font-size:26px;line-height:1.25;letter-spacing:-0.325px}
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);
}

.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;
}

.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-decoration:none;line-height:1;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--primary);color:var(--on-primary);padding:10px 18px;height:40px}
.btn-primary:hover{background:var(--primary-active)}
.btn-secondary{background:var(--surface-card);color:var(--ink);border-color:var(--hairline-strong);padding:10px 18px;height:40px}
.btn-ink{background:var(--ink);color:var(--canvas);padding:12px 20px;height:44px}
.btn-text{color:var(--ink);padding:10px 4px}
.btn-text:hover{text-decoration:underline}

.site-header{background:var(--canvas);border-bottom:1px solid var(--hairline)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:600;color:var(--ink)}
.brand .dot{width:18px;height:18px;border-radius:5px;background:var(--primary);display:inline-block}
.brand strong{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(--ink)}
.nav-links a:hover{color:var(--muted);text-decoration:none}
.nav-toggle{display:none;background:none;border:1px solid var(--hairline-strong);border-radius:8px;width:40px;height:40px;cursor:pointer;color:var(--ink);font-size:18px}

.hero{padding:80px 0 48px}
.hero h1{max-width:14ch}
.hero .lead{max-width:60ch;margin-bottom:24px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.hero-media{margin-top:48px;border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card)}
.hero-media img{width:100%;height:420px;object-fit:cover}
.figure{margin:0;border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card)}
.figure img{width:100%;height:100%;object-fit:cover}
.figure figcaption{font-size:13px;color:var(--muted);padding:12px 16px}

.section{padding:80px 0}
.section-head{max-width:62ch;margin-bottom:32px}

.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;color:var(--body);
}
.card h3{font-size:18px;font-weight:600;letter-spacing:0}
.card .label{margin-bottom:12px;display:block}

.article-card{display:flex;flex-direction:column;overflow:hidden;padding:0}
.article-card .thumb{height:180px;border-bottom:1px solid var(--hairline)}
.article-card .thumb img{width:100%;height:100%;object-fit:cover}
.article-card .body{padding:20px}
.article-card h3{font-size:18px;font-weight:600;letter-spacing:0;margin-bottom:8px}
.article-card p{font-size:14px;margin-bottom:12px}

.timeline{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}
.pill{
  font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;
  border-radius:9999px;padding:4px 10px;color:var(--ink);
}
.pill.thinking{background:var(--t-thinking)}
.pill.grep{background:var(--t-grep)}
.pill.read{background:var(--t-read)}
.pill.edit{background:var(--t-edit)}
.pill.done{background:var(--t-done);color:var(--on-primary)}

.facts{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.facts li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--hairline-soft)}
.facts li:last-child{border-bottom:none}
.facts .k{font-family:var(--mono);font-size:13px;color:var(--muted);min-width:120px}

.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);overflow-x:auto;
}

.article{padding:48px 0 80px}
.article-wrap{max-width:760px;margin:0 auto}
.article-meta{font-size:13px;color:var(--muted);margin-bottom:24px}
.article-wrap h2{font-size:30px;margin-top:48px}
.article-wrap h3{font-size:22px;margin-top:32px}
.article-wrap figure{margin:32px 0}
.article-wrap ul,.article-wrap ol{padding-left:20px;color:var(--body)}
.article-wrap li{margin-bottom:8px}
.callout{
  background:var(--canvas-soft);border:1px solid var(--hairline);border-left:3px solid var(--primary);
  border-radius:8px;padding:16px 20px;margin:24px 0;font-size:15px;
}
blockquote{margin:24px 0;padding:8px 20px;border-left:3px solid var(--hairline-strong);color:var(--muted)}

.related{margin-top:48px;border-top:1px solid var(--hairline);padding-top:24px}
.related a{display:block;margin-bottom:8px;font-weight:500}

.form-band{background:var(--canvas-soft);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline)}
.form{max-width:560px}
.form .field{margin-bottom:16px}
.form label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px}
.form input,.form textarea{
  width:100%;background:var(--surface-card);color:var(--ink);
  border:1px solid var(--hairline-strong);border-radius:8px;padding:12px 16px;
  font-family:var(--sans);font-size:15px;
}
.form input{height:44px}
.form textarea{min-height:120px;resize:vertical}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--ink)}
.form-status{margin-top:8px;font-size:14px;display:none}
.form-status.show{display:block}
.form-status.ok{color:var(--success)}

.cta-band{padding:96px 0;text-align:center}
.cta-band h2{font-size:36px;letter-spacing:-0.72px}

.site-footer{background:var(--canvas);border-top:1px solid var(--hairline);padding:64px 0 48px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:24px}
.site-footer h4{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin:0 0 16px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:8px}
.site-footer a{font-size:14px;color:var(--body)}
.footer-note{margin-top:48px;padding-top:24px;border-top:1px solid var(--hairline);font-size:13px;color:var(--muted)}

.cookie{
  position:fixed;left:24px;right:24px;bottom:24px;z-index:50;
  background:var(--ink);color:var(--canvas);border-radius:12px;padding:20px 24px;
  display:none;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;
}
.cookie.show{display:flex}
.cookie p{margin:0;font-size:14px;max-width:70ch;color:var(--canvas)}
.cookie a{color:var(--canvas);text-decoration:underline}
.cookie-actions{display:flex;gap:12px}
.cookie .btn-secondary{background:transparent;color:var(--canvas);border-color:var(--muted)}

@media(max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  h1{font-size:40px}
}
@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:var(--canvas);
    flex-direction:column;align-items:flex-start;gap:0;border-bottom:1px solid var(--hairline);padding:8px 24px}
  .nav-links.open{display:flex}
  .nav-links li{width:100%;padding:10px 0;border-bottom:1px solid var(--hairline-soft)}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav{position:relative}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  h1{font-size:32px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .hero{padding:48px 0 32px}
  .hero-media img{height:240px}
  .footer-grid{grid-template-columns:1fr}
}