: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;
--pill-thinking:#dfa88f;
--pill-grep:#9fc9a2;
--pill-read:#9fbbe0;
--pill-edit:#c0a8dd;
--pill-done:#c08532;
--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;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-999px}
.skip-link:focus{left:16px;top:16px;background:var(--surface-card);color:var(--ink);padding:8px 12px;border:1px solid var(--hairline-strong);border-radius:8px;z-index:100}
h1,h2,h3,h4{color:var(--ink);font-weight:400;margin:0 0 16px;letter-spacing:-0.02em}
h1{font-size:72px;line-height:1.1;letter-spacing:-2.16px}
h2{font-size:36px;line-height:1.2;letter-spacing:-0.72px}
h3{font-size:26px;line-height:1.25;letter-spacing:-0.325px}
h4{font-size:22px;line-height:1.3;letter-spacing:-0.11px}
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:40}
.nav-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.wordmark{font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-0.01em}
.wordmark span{color:var(--primary)}
.wordmark:hover{text-decoration:none}
.nav-menu{display:flex;align-items:center;gap:24px}
.nav-link{font-size:14px;font-weight:500;color:var(--ink)}
.nav-link:hover{text-decoration:none;color:var(--primary)}
.nav-cta{background:var(--primary);color:var(--on-primary);padding:10px 18px;border-radius:8px;font-weight:500;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-tight{padding:48px 0}
.label{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin:0 0 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 64px}
.hero-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:48px;align-items:center}
.hero p.lead{max-width:46ch;margin-bottom:24px}
.hero-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:500;border-radius:8px;padding:10px 18px;height:40px;border:1px solid transparent;cursor:pointer}
.btn-download{background:var(--ink);color:var(--canvas);height:44px;padding:12px 20px}
.btn-download:hover{text-decoration:none;color:var(--canvas);opacity:0.92}
.btn-text{color:var(--ink);background:none;padding:10px 4px}
.btn-text:hover{color:var(--primary);text-decoration:none}
.btn-primary{background:var(--primary);color:var(--on-primary)}
.btn-primary:hover{background:var(--primary-active);color:var(--on-primary);text-decoration:none}
.btn-secondary{background:var(--surface-card);color:var(--ink);border:1px solid var(--hairline-strong)}
.btn-secondary:hover{text-decoration:none}
.hero-figure{border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card)}
.hero-figure img{width:100%;height:380px;object-fit:cover}
figure{margin:0}
figcaption{font-size:13px;color:var(--muted);padding:12px 16px;border-top:1px solid var(--hairline-soft)}

.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;margin-bottom:8px}
.card .meta{font-size:13px;color:var(--muted);margin-bottom:12px}
.feature-card .num{font-family:var(--mono);font-size:13px;color:var(--primary);display:block;margin-bottom:8px}

.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;border-bottom:1px solid var(--hairline)}
.article-card .body{padding:24px;display:flex;flex-direction:column;gap:8px;flex:1}
.article-card h3{font-size:22px;margin:0}
.article-card p{font-size:14px;color:var(--body);margin:0}
.article-card .more{margin-top:auto;font-size:14px;font-weight:500;color:var(--primary)}

.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.stat{background:var(--canvas-soft);border:1px solid var(--hairline);border-radius:12px;padding:24px}
.stat .k{font-family:var(--mono);font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:0.06em}
.stat .v{font-size:26px;color:var(--ink);letter-spacing:-0.3px;margin-top:8px}

.split{display:grid;grid-template-columns:0.9fr 1.1fr;gap:48px;align-items:center}

.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);line-height:1.6;overflow-x:auto}
.code-block .c{color:var(--muted)}

.callout{background:var(--canvas-soft);border:1px solid var(--hairline);border-left:3px solid var(--primary);border-radius:12px;padding:20px 24px}
.callout p:last-child{margin-bottom:0}

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

.article-wrap{max-width:760px;margin:0 auto}
.article-hero{border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card);margin:24px 0 32px}
.article-hero img{width:100%;height:340px;object-fit:cover}
.article-body{font-size:16px;line-height:1.7;color:var(--body)}
.article-body h2{font-size:28px;margin:40px 0 12px}
.article-body h3{font-size:20px;margin:28px 0 10px}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 16px}
.article-body li{margin-bottom:8px}
.article-meta{font-size:13px;color:var(--muted);font-family:var(--mono)}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}

table.specs{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
table.specs th,table.specs td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--hairline)}
table.specs th{color:var(--ink);font-weight:600;background:var(--canvas-soft)}

.related{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:24px}
.related a{display:block;border:1px solid var(--hairline);border-radius:8px;padding:16px;background:var(--surface-card)}
.related a:hover{text-decoration:none;border-color:var(--hairline-strong)}
.related .label{margin-bottom:4px}

.cta-band{background:var(--canvas);text-align:center;padding:96px 0}
.cta-band h2{margin-bottom:16px}

.form-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:32px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px}
.field input{width:100%;height:44px;background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:8px;padding:12px 16px;font-family:var(--sans);font-size:16px;color:var(--ink)}
.field input:focus{outline:none;border-color:var(--primary)}
.field input.invalid{border-color:var(--error)}
.field .err{display:none;color:var(--error);font-size:13px;margin-top:4px}
.field .err.show{display:block}
.form-status{display:none;margin-top:16px;padding:12px 16px;border-radius:8px;font-size:14px}
.form-status.loading{display:block;background:var(--canvas-soft);color:var(--muted);border:1px solid var(--hairline)}
.form-status.success{display:block;background:var(--canvas-soft);color:var(--success);border:1px solid var(--hairline)}

.site-footer{background:var(--canvas);border-top:1px solid var(--hairline);padding:64px 0 48px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:32px}
.footer-brand .footer-note{font-size:14px;color:var(--body);max-width:34ch;margin-top:12px}
.footer-head{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:0.88px;color:var(--muted);margin:0 0 12px}
.footer-link{display:block;font-size:14px;color:var(--body);margin-bottom:8px}
.footer-link:hover{color:var(--ink)}
.footer-bottom{border-top:1px solid var(--hairline);margin-top:40px;padding-top:24px}
.footer-bottom p{font-size:13px;color:var(--muted);margin:0}

.cookie-banner{position:fixed;left:24px;right:24px;bottom:24px;max-width:560px;margin:0 auto;background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:12px;padding:20px 24px;z-index:60;display:none}
.cookie-banner.show{display:block}
.cookie-banner p{font-size:14px;color:var(--body);margin:0 0 16px}
.cookie-actions{display:flex;gap:12px}

.breadcrumb{font-size:13px;color:var(--muted);font-family:var(--mono);margin:24px 0 0}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--ink)}

@media(max-width:1024px){
h1{font-size:56px;letter-spacing:-1.4px}
.hero-grid{grid-template-columns:1fr 1fr}
.footer-grid{grid-template-columns:1fr 1fr 1fr}
.split{grid-template-columns:1fr}
}
@media(max-width:768px){
.nav-menu{display:none;position:absolute;top:64px;left:0;right:0;background:var(--canvas);border-bottom:1px solid var(--hairline);flex-direction:column;align-items:flex-start;padding:16px 24px;gap:16px}
.nav-menu.open{display:flex}
.nav-toggle{display:flex}
.hero-grid{grid-template-columns:1fr}
.grid-3,.grid-2,.stat-row,.related{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
h1{font-size:32px;letter-spacing:-0.8px}
h2{font-size:28px;letter-spacing:-0.4px}
.section{padding:56px 0}
.cta-band{padding:64px 0}
.hero-figure img,.article-hero img{height:240px}
.footer-grid{grid-template-columns:1fr}
}