: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;
  --t-thinking:#dfa88f;
  --t-grep:#9fc9a2;
  --t-read:#9fbbe0;
  --t-edit:#c0a8dd;
  --t-done:#c08532;
  --success:#1f8a65;
  --error:#cf2d56;
  --sans:"Inter",system-ui,"Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
  --maxw:1200px;
  --radius-xs:4px;
  --radius-sm:6px;
  --radius-md:8px;
  --radius-lg:12px;
  --radius-xl:16px;
  --radius-pill:9999px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  font-weight:400;
  letter-spacing:-0.015em;
  background:var(--canvas);
  color:var(--body);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--canvas);padding:8px 16px;z-index:200}
.skip-link:focus{left:16px;top:16px}
a{color:var(--ink);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}

h1,h2,h3{color:var(--ink);font-weight:400;letter-spacing:-0.03em;line-height:1.2}
h1{font-size:72px;letter-spacing:-0.03em;line-height:1.1}
h2{font-size:36px}
h3{font-size:22px;letter-spacing:-0.005em}
p{margin-bottom:16px}

.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}
.wordmark{font-size:18px;font-weight:600;color:var(--primary);letter-spacing:-0.02em}
a.wordmark:hover{text-decoration:none}
.nav-menu{display:flex;gap:24px;align-items:center}
.nav-link{font-size:14px;font-weight:500;color:var(--ink);letter-spacing:0}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:22px;height:2px;background:var(--ink);display:block}

.section{padding:80px 0}
.section-tight{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:16px}
.lead{font-size:18px;color:var(--body);max-width:60ch}

.hero-band{background:var(--canvas);padding:80px 0 48px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.hero-copy h1{margin-bottom:20px}
.hero-sub{font-size:18px;color:var(--body);margin-bottom:24px;max-width:48ch}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.hero-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--hairline)}
.hero-figure img{width:100%;height:380px;object-fit:cover}
figure figcaption{font-size:13px;color:var(--muted);padding:8px 4px 0}

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

.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;color:var(--ink);border-radius:var(--radius-pill);padding:4px 10px;display:inline-block}
.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)}

.badge{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--ink);background:var(--surface-strong);border-radius:var(--radius-pill);padding:4px 10px;display:inline-block}

.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:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column}
.card-media{height:200px;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:22px}
.card-meta{font-size:13px;color:var(--muted)}
.card-excerpt{font-size:16px;color:var(--body)}
.card-link{margin-top:auto;color:var(--ink);font-weight:500;font-size:14px}

.feature-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--radius-lg);padding:24px}
.feature-card h3{font-size:18px;font-weight:600;letter-spacing:0;margin-bottom:8px}
.feature-card p{font-size:16px;color:var(--body);margin:0}

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

.divider{border:0;border-top:1px solid var(--hairline);margin:0}

.article-wrap{max-width:760px;margin:0 auto;padding:48px 24px 80px}
.article-hero{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--hairline);margin:24px 0}
.article-hero img{width:100%;height:360px;object-fit:cover}
.article-wrap h1{font-size:48px;line-height:1.15;margin-bottom:16px}
.article-wrap h2{font-size:28px;margin:40px 0 12px}
.article-wrap h3{font-size:20px;margin:28px 0 8px}
.article-wrap p{font-size:16px;color:var(--body)}
.article-wrap ul,.article-wrap ol{margin:0 0 16px 22px;color:var(--body)}
.article-wrap li{margin-bottom:8px}
.article-meta{font-size:13px;color:var(--muted);margin-bottom:8px}
.callout{background:var(--canvas-soft);border:1px solid var(--hairline);border-left:3px solid var(--t-done);border-radius:var(--radius-md);padding:16px 20px;margin:24px 0;font-size:16px;color:var(--ink)}
blockquote{border-left:3px solid var(--hairline-strong);padding-left:20px;margin:24px 0;color:var(--ink);font-style:normal}
.related{margin-top:48px;border-top:1px solid var(--hairline);padding-top:24px}
.related a{color:var(--ink);font-weight:500}

.contact-band{background:var(--canvas);border-top:1px solid var(--hairline)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.form{display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field input{background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:var(--radius-md);padding:12px 16px;height:44px;font-family:var(--sans);font-size:16px;color:var(--ink)}
.field input:focus{outline:2px solid var(--primary);outline-offset:1px}
.form-msg{font-size:14px;border-radius:var(--radius-md);padding:12px 16px;display:none}
.form-msg.show{display:block}
.form-msg.success{background:rgba(31,138,101,0.1);color:var(--success);border:1px solid var(--success)}
.btn[disabled]{opacity:0.6;cursor:not-allowed}

.contact-info{font-size:16px;color:var(--body)}
.contact-info dt{font-weight:600;color:var(--ink);margin-top:16px;font-size:14px}
.contact-info dd{margin:4px 0 0}

.page-wrap{max-width:820px;margin:0 auto;padding:48px 24px 80px}
.page-wrap h1{font-size:48px;margin-bottom:8px}
.page-wrap h2{font-size:26px;margin:32px 0 12px}
.page-wrap p,.page-wrap li{font-size:16px;color:var(--body)}
.page-wrap ul{margin:0 0 16px 22px}

.cookie-banner{position:fixed;left:0;right:0;bottom:0;background:var(--surface-card);border-top:1px solid var(--hairline-strong);padding:16px 24px;z-index:150;display:none}
.cookie-banner.show{display:block}
.cookie-inner{max-width:var(--maxw);margin:0 auto;display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cookie-text{font-size:14px;color:var(--body);max-width:60ch}
.cookie-actions{display:flex;gap:12px}

.footer{background:var(--canvas);border-top:1px solid var(--hairline);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:32px}
.footer-col{display:flex;flex-direction:column;gap:8px}
.footer-about{font-size:14px;color:var(--body);margin:8px 0}
.footer-updated{font-size:13px;color:var(--muted)}
.footer-head{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.footer-link{font-size:14px;color:var(--body)}
.footer-base{border-top:1px solid var(--hairline);margin-top:48px;padding:24px;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-disclaimer{font-size:13px;color:var(--muted);max-width:70ch;margin:0}
.footer-copy{font-size:13px;color:var(--muted);margin:0}

@media (max-width:1024px){
  h1{font-size:56px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:768px){
  .nav-toggle{display:flex}
  .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}
  .nav-menu.open{display:flex}
  .nav-menu .nav-link{padding:12px 0;border-bottom:1px solid var(--hairline-soft)}
  .hero-grid,.contact-grid{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
}
@media (max-width:640px){
  h1{font-size:32px}
  h2{font-size:28px}
  .section{padding:48px 0}
  .grid-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-figure img{height:240px}
}