: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;
  --maxw: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{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--canvas);
  color:var(--body);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.5;
  letter-spacing:-0.015em;
  -webkit-font-smoothing:antialiased;
}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--ink);font-weight:400;margin:0 0 16px}
h1{font-size:72px;line-height:1.1;letter-spacing:-0.03em}
h2{font-size:36px;line-height:1.2;letter-spacing:-0.02em}
h3{font-size:26px;line-height:1.25;letter-spacing:-0.0125em}
h4{font-size:22px;line-height:1.3;letter-spacing:-0.005em;font-weight:600}
p{margin:0 0 16px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--canvas);padding:10px 16px;border-radius:8px;z-index:200}
.skip-link:focus{left:16px;top:16px}

.top-nav{background:var(--canvas);border-bottom:1px solid var(--hairline);position:sticky;top:0;z-index:100}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.wordmark{font-weight:600;font-size:18px;color:var(--ink);letter-spacing:-0.02em}
.wordmark .dot{color:var(--primary)}
.nav-menu{display:flex;align-items:center;gap:24px}
.nav-link{font-size:14px;font-weight:500;color:var(--body);letter-spacing:0}
.nav-link:hover{color:var(--ink);text-decoration:none}
.nav-cta{background:var(--primary);color:var(--on-primary);padding:9px 16px;border-radius:8px;height:40px;display:inline-flex;align-items:center}
.nav-cta:hover{background:var(--primary-active);color:var(--on-primary);text-decoration:none}
.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-sm{padding:48px 0}
.eyebrow{font-size:11px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;color:var(--muted);margin-bottom:16px;display:inline-block}
.badge-pill{display:inline-block;background:var(--surface-strong);color:var(--ink);font-size:11px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;border-radius:9999px;padding:4px 10px}
.lead{font-size:18px;color:var(--body);max-width:62ch}

.hero{background:var(--canvas);padding:80px 0 48px}
.hero-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:48px;align-items:center}
.hero p.lead{margin-top:8px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.hero-figure{border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card)}
.hero-figure img{width:100%;height:360px;object-fit:cover}
.hero-figure figcaption{font-size:13px;color:var(--muted);padding:12px 16px;border-top:1px solid var(--hairline)}

.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;padding:10px 18px;height:40px;transition:background .15s,color .15s}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--primary);color:var(--on-primary)}
.btn-primary:hover{background:var(--primary-active);color:var(--on-primary)}
.btn-secondary{background:var(--surface-card);color:var(--ink);border-color:var(--hairline-strong)}
.btn-secondary:hover{background:var(--canvas-soft)}
.btn-dark{background:var(--ink);color:var(--canvas);height:44px;padding:12px 20px}
.btn-dark:hover{background:#000;color:var(--canvas)}
.text-link{color:var(--ink);font-weight:500;border-bottom:1px solid var(--hairline-strong)}
.text-link:hover{border-color:var(--ink);text-decoration:none}

.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,.card h4{margin-top:0}
.card .meta{font-size:13px;color:var(--muted)}
.feature-card .num{font-family:var(--mono);font-size:13px;color:var(--primary);margin-bottom:12px;display:block}

.stage-list{counter-reset:stage;display:grid;gap:16px;margin:0;padding:0;list-style:none}
.stage-list li{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:24px 24px 24px 64px;position:relative}
.stage-list li::before{counter-increment:stage;content:counter(stage);position:absolute;left:24px;top:24px;font-family:var(--mono);font-size:13px;color:var(--primary)}
.stage-list h4{margin-bottom:8px}
.stage-list p{margin-bottom:0;font-size:15px}

.timeline{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}
.pill{font-size:11px;font-weight:600;letter-spacing:0.08em;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(--mono);font-size:13px;color:var(--ink);white-space:pre-wrap;overflow-x:auto;margin:0 0 16px}

.media-figure{border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card);margin:0 0 24px}
.media-figure img{width:100%;height:auto;object-fit:cover}
.media-figure figcaption{font-size:13px;color:var(--muted);padding:12px 16px;border-top:1px solid var(--hairline)}

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

.callout{background:var(--canvas-soft);border:1px solid var(--hairline);border-left:3px solid var(--primary);border-radius:8px;padding:20px 24px;margin:0 0 24px}
.callout p:last-child{margin-bottom:0}

.article-head{padding:48px 0 0}
.article-body{padding:32px 0 80px}
.article-body{max-width:760px;margin:0 auto}
.article-body h2{margin-top:40px}
.article-body h3{margin-top:32px}
.article-body ul,.article-body ol{color:var(--body);padding-left:22px}
.article-body li{margin-bottom:8px}
.article-meta{font-size:13px;color:var(--muted);margin-bottom:16px}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 24px}

.kv{border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card);margin:0 0 24px}
.kv-row{display:grid;grid-template-columns:200px 1fr;border-top:1px solid var(--hairline)}
.kv-row:first-child{border-top:0}
.kv-row dt{padding:14px 20px;font-weight:600;color:var(--ink);font-size:14px;background:var(--canvas-soft)}
.kv-row dd{padding:14px 20px;margin:0;font-size:15px;color:var(--body)}

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

.form-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:32px}
.form-row{display:grid;gap:6px;margin-bottom:16px}
.form-row label{font-size:14px;font-weight:600;color:var(--ink)}
.form-control{background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:8px;padding:12px 16px;height:44px;font-family:var(--sans);font-size:15px;color:var(--ink);width:100%}
textarea.form-control{height:auto;min-height:120px;resize:vertical}
.form-control:focus{outline:2px solid var(--primary);outline-offset:1px;border-color:var(--primary)}
.form-status{font-size:14px;margin-top:8px;min-height:20px}
.form-status.success{color:var(--success)}
.form-hint{font-size:13px;color:var(--muted)}
.btn[disabled]{opacity:.6;cursor:default}

.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 1fr;gap:32px}
.footer-brand .footer-note{font-size:14px;color:var(--muted);margin-top:12px;max-width:34ch}
.footer-head{font-size:11px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-link{font-size:14px;color:var(--body)}
.footer-link:hover{color:var(--ink)}
.footer-bottom{border-top:1px solid var(--hairline);margin-top:40px;padding-top:24px}
.disclaimer{font-size:13px;color:var(--muted);margin-bottom:8px}
.copyright{font-size:13px;color:var(--muted-soft);margin:0}

.cookie-banner{position:fixed;left:0;right:0;bottom:0;background:var(--surface-card);border-top:1px solid var(--hairline-strong);z-index:150}
.cookie-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 24px}
.cookie-text{font-size:14px;color:var(--body);margin:0;max-width:70ch}
.cookie-actions{display:flex;gap:12px;flex-shrink: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-menu{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 16px}
  .nav-menu.open{display:flex}
  .nav-menu .nav-link{padding:10px 0;width:100%}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-figure img{height:260px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .kv-row{grid-template-columns:1fr}
  .kv-row dt{background:var(--canvas-soft)}
  .cookie-inner{flex-direction:column;align-items:flex-start}
}
@media(max-width:640px){
  h1{font-size:32px}
  h2{font-size:28px}
  .section{padding:48px 0}
  .hero{padding:48px 0 32px}
  .footer-grid{grid-template-columns:1fr}
}