: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;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Inter,system-ui,"Helvetica Neue",Helvetica,Arial,sans-serif;
  letter-spacing:-0.15px;
  background:var(--canvas);
  color:var(--body);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--primary)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
h1,h2,h3{color:var(--ink);font-weight:400;letter-spacing:-0.72px;line-height:1.2}
h1{font-size:72px;letter-spacing:-2.16px;line-height:1.1}
h2{font-size:36px}
h3{font-size:22px;letter-spacing:-0.11px;line-height:1.3}
p{margin-bottom:16px}
.section{padding:80px 0}
.eyebrow{
  font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;
  color:var(--muted);margin-bottom:16px;display:inline-block;
}

.top-nav{
  height:64px;background:var(--canvas);border-bottom:1px solid var(--hairline);
  position:sticky;top:0;z-index:50;
}
.top-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:-0.3px}
.wordmark span{color:var(--primary)}
.nav-links{display:flex;gap:24px;align-items:center;list-style:none}
.nav-links a{font-size:14px;font-weight:500;color:var(--ink)}
.nav-toggle{display:none;background:none;border:0;font-size:22px;color:var(--ink);cursor:pointer}

.hero{padding:80px 0 64px}
.hero .lead{font-size:18px;color:var(--body);max-width:640px;margin:20px 0 0}
.hero-figure{margin-top:48px;border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card)}
.hero-figure img{width:100%;height:480px;object-fit:cover}
.caption{font-size:13px;color:var(--muted);padding:12px 20px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:500;border-radius:8px;cursor:pointer;
  padding:10px 18px;height:40px;border:1px solid transparent;
}
.btn-primary{background:var(--primary);color:var(--on-primary)}
.btn-primary:hover{background:var(--primary-active);color:var(--on-primary)}
.btn-download{background:var(--ink);color:var(--canvas);height:44px;padding:12px 20px}
.btn-download:hover{color:var(--canvas);opacity:.92}
.btn-secondary{background:var(--surface-card);color:var(--ink);border:1px solid var(--hairline-strong)}
.btn-text{color:var(--ink);font-weight:500;font-size:14px}
.btn-row{display:flex;gap:12px;align-items:center;margin-top:24px;flex-wrap:wrap}

.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{margin-bottom:8px}
.card p{font-size:16px;color:var(--body);margin-bottom:12px}

.article-card{
  background:var(--surface-card);border:1px solid var(--hairline);
  border-radius:12px;overflow:hidden;display:flex;flex-direction:column;
}
.article-card img{height:200px;width:100%;object-fit:cover}
.article-card .body{padding:24px;display:flex;flex-direction:column;gap:8px;flex:1}
.article-card h3{font-size:22px}
.article-card .meta{font-size:13px;color:var(--muted)}
.article-card .more{margin-top:auto;font-weight:500;font-size:14px;color:var(--ink)}

.timeline{display:flex;gap:8px;flex-wrap:wrap;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(--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)}

.article-body{max-width:760px;margin:0 auto}
.article-body h1{font-size:48px;letter-spacing:-1.4px;margin-bottom:16px}
.article-body h2{font-size:26px;letter-spacing:-0.325px;margin:40px 0 16px}
.article-body h3{font-size:20px;margin:28px 0 12px}
.article-body p{font-size:16px;color:var(--body)}
.article-body ul,.article-body ol{margin:0 0 16px 22px;color:var(--body)}
.article-body li{margin-bottom:8px}
.article-hero{border-radius:12px;overflow:hidden;border:1px solid var(--hairline);margin-bottom:12px}
.article-hero img{width:100%;height:420px;object-fit:cover}
.meta-row{font-size:13px;color:var(--muted);margin-bottom:32px}

.callout{
  background:var(--canvas-soft);border:1px solid var(--hairline);
  border-left:3px solid var(--primary);border-radius:8px;padding:20px;margin:24px 0;
}
.callout p{margin:0;font-size:15px;color:var(--ink)}

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

.related{border-top:1px solid var(--hairline);margin-top:48px;padding-top:32px}
.related ul{list-style:none;display:flex;flex-direction:column;gap:8px}

.form-band{background:var(--canvas-soft);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline)}
form .field{margin-bottom:16px;display:flex;flex-direction:column;gap:6px}
form label{font-size:14px;font-weight:600;color:var(--ink)}
form input{
  background:var(--surface-card);border:1px solid var(--hairline-strong);
  border-radius:8px;padding:12px 16px;height:44px;font-size:15px;color:var(--ink);
  font-family:inherit;
}
form input:focus{outline:none;border-color:var(--primary)}
.form-msg{display:none;color:var(--success);font-size:15px;font-weight:500;margin-top:12px}
.form-msg.show{display:block}
.form-wrap{max-width:560px}

.footer{background:var(--canvas);border-top:1px solid var(--hairline);padding:48px 0}
.footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.footer h4{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:12px}
.footer ul{list-style:none}
.footer li{margin-bottom:8px}
.footer a{font-size:14px;color:var(--body)}
.footer .legal{margin-top:32px;padding-top:24px;border-top:1px solid var(--hairline);font-size:13px;color:var(--muted)}
.footer .legal p{margin-bottom:8px}

.cookie{
  position:fixed;left:24px;right:24px;bottom:24px;z-index:80;
  background:var(--surface-card);border:1px solid var(--hairline-strong);
  border-radius:12px;padding:20px;max-width:520px;margin:0 auto;
  display:none;align-items:center;gap:16px;flex-wrap:wrap;
}
.cookie.show{display:flex}
.cookie p{margin:0;font-size:14px;color:var(--body);flex:1;min-width:220px}
.cookie .btn-row{margin:0}

@media (max-width:1024px){
  h1{font-size:56px;letter-spacing:-1.6px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@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:16px;padding:20px 24px;
    border-bottom:1px solid var(--hairline);
  }
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
}
@media (max-width:640px){
  h1{font-size:32px;letter-spacing:-0.8px}
  h2{font-size:28px}
  .section{padding:48px 0}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr 1fr}
  .hero-figure img{height:280px}
  .article-hero img{height:240px}
}