:root{
  --primary:#f54e00;
  --primary-active:#d04200;
  --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;
  --t-thinking:#dfa88f;
  --t-grep:#9fc9a2;
  --t-read:#9fbbe0;
  --t-edit:#c0a8dd;
  --t-done:#c08532;
  --success:#1f8a65;
  --error:#cf2d56;
  --font-sans:"Inter",system-ui,"Helvetica Neue",Helvetica,Arial,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400&display=swap');

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-sans);
  background:var(--canvas);
  color:var(--body);
  font-size:16px;
  line-height:1.5;
  letter-spacing:-0.15px;
  -webkit-font-smoothing:antialiased;
}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;}
.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--canvas);padding:8px 16px;z-index:200;}
.skip-link:focus{left:8px;top:8px;}

h1,h2,h3,h4{color:var(--ink);font-weight:400;line-height:1.2;}
h1{font-size:72px;letter-spacing:-2.16px;line-height:1.1;}
h2{font-size:36px;letter-spacing:-0.72px;}
h3{font-size:26px;letter-spacing:-0.325px;line-height:1.25;}
h4{font-size:18px;font-weight:600;letter-spacing:0;}
p{margin:0 0 16px;}
.lead{font-size:18px;color:var(--body);}

.top-nav{background:var(--canvas);border-bottom:1px solid var(--hairline);position:sticky;top:0;z-index:100;}
.nav-inner{height:64px;display:flex;align-items:center;justify-content:space-between;}
.brand{display:inline-flex;align-items:baseline;font-size:18px;font-weight:600;letter-spacing:-0.4px;}
.brand-mark{color:var(--primary);}
.brand-dot{color:var(--ink);}
.nav-menu{display:flex;gap:24px;align-items:center;}
.nav-link{font-size:14px;font-weight:500;color:var(--ink);}
.nav-link:hover{color:var(--primary);}
.nav-toggle{display:none;flex-direction:column;gap:4px;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(--font-sans);font-size:14px;font-weight:500;cursor:pointer;border:0;}
.btn-primary{background:var(--primary);color:var(--on-primary);padding:10px 18px;height:40px;border-radius:8px;}
.btn-primary:hover{background:var(--primary-active);}
.btn-secondary{background:var(--surface-card);color:var(--ink);border:1px solid var(--hairline-strong);padding:10px 18px;height:40px;border-radius:8px;}
.btn-ink{background:var(--ink);color:var(--canvas);padding:12px 20px;height:44px;border-radius:8px;}
.btn-text{background:none;color:var(--ink);height:44px;padding:12px 8px;border-bottom:1px solid transparent;}
.btn-text:hover{border-bottom-color:var(--ink);}

.section{padding:80px 0;}
.section-sm{padding:48px 0;}
.label{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);display:inline-block;margin-bottom: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;}

.hero{background:var(--canvas);padding:80px 0 48px;}
.hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:48px;align-items:center;}
.hero h1{margin-bottom:20px;}
.hero .lead{margin-bottom:24px;max-width:46ch;}
.hero-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap;}
.hero-figure{border-radius:12px;overflow:hidden;border:1px solid var(--hairline);background:var(--surface-card);}
.hero-figure img{width:100%;height:420px;object-fit:cover;}
figure{margin:0;}
figcaption{font-size:13px;color:var(--muted);padding:8px 0;}

.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{font-size:22px;letter-spacing:-0.11px;margin-bottom:8px;}
.card h4{margin-bottom:8px;}
.card p{font-size:16px;}
.card-media{padding:0;overflow:hidden;}
.card-media img{width:100%;height:200px;object-fit:cover;border-bottom:1px solid var(--hairline);}
.card-media .card-body{padding:24px;}
.card-link{font-size:14px;font-weight:500;color:var(--primary);}
.card-link:hover{color:var(--primary-active);}

.section-head{margin-bottom:32px;max-width:62ch;}
.section-head h2{margin-bottom:12px;}

.timeline{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 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);}

.code-block{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:20px;font-family:var(--font-mono);font-size:13px;color:var(--ink);line-height:1.5;overflow-x:auto;white-space:pre;}

.article-hero{background:var(--canvas);padding:64px 0 32px;}
.article-wrap{max-width:760px;margin:0 auto;}
.article-body{max-width:760px;margin:0 auto;}
.article-body p,.article-body li{font-size:16px;letter-spacing:0.08px;color:var(--body);}
.article-body h2{margin:40px 0 16px;}
.article-body h3{margin:28px 0 12px;}
.article-body ul,.article-body ol{margin:0 0 16px 22px;}
.article-body li{margin-bottom:8px;}
.article-meta{font-size:13px;color:var(--muted);margin-bottom:16px;}
.article-figure{margin:24px 0;border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card);}
.article-figure img{width:100%;max-height:460px;object-fit:cover;}
.callout{background:var(--canvas-soft);border:1px solid var(--hairline);border-left:3px solid var(--t-done);border-radius:8px;padding:16px 20px;margin:24px 0;}
.callout h4{margin-bottom:6px;}
.fact-list{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:20px 24px;margin:24px 0;}
.fact-list dt{font-weight:600;color:var(--ink);font-size:14px;margin-top:12px;}
.fact-list dt:first-child{margin-top:0;}
.fact-list dd{margin:4px 0 0;font-size:15px;}
.related{border-top:1px solid var(--hairline);margin-top:48px;padding-top:24px;}

.contact{background:var(--canvas-soft);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:32px;}
.field{display:flex;flex-direction:column;margin-bottom:16px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.field input{background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:8px;padding:12px 16px;height:44px;font-family:var(--font-sans);font-size:16px;color:var(--ink);}
.field input:focus{outline:none;border-color:var(--ink);}
.form-status{font-size:14px;margin-top:8px;min-height:20px;}
.form-status.success{color:var(--success);}
.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 1fr 1fr 1fr 1.2fr;gap:32px;}
.footer-head{font-size:14px;font-weight:600;margin-bottom:12px;}
.footer-link{display:block;font-size:14px;color:var(--body);margin-bottom:8px;}
.footer-link:hover{color:var(--primary);}
.footer-text{font-size:14px;color:var(--body);margin:12px 0 0;}
.footer-bottom{border-top:1px solid var(--hairline);margin-top:32px;padding-top:24px;}
.footer-disclaimer{font-size:13px;color:var(--muted);margin-bottom:8px;}
.footer-copy{font-size:13px;color:var(--muted-soft);}

.cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:12px;padding:16px 20px;z-index:150;display:none;max-width:1100px;margin:0 auto;}
.cookie-banner.show{display:block;}
.cookie-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.cookie-text{font-size:14px;color:var(--body);margin:0;flex:1;min-width:240px;}
.cookie-actions{display:flex;gap:12px;}

@media(max-width:1024px){
  h1{font-size:56px;letter-spacing:-1.5px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-figure img{height:340px;}
  .footer-grid{grid-template-columns:1fr 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);border-bottom:1px solid var(--hairline);flex-direction:column;gap:0;padding:8px 24px 16px;}
  .nav-menu.open{display:flex;}
  .nav-menu .nav-link{padding:10px 0;border-bottom:1px solid var(--hairline-soft);}
}
@media(max-width:640px){
  h1{font-size:32px;letter-spacing:-1px;}
  h2{font-size:28px;}
  .section{padding:48px 0;}
  .grid-3,.grid-2,.form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
}