: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;
--r-xs:4px;--r-sm:6px;--r-md:8px;--r-lg:12px;--r-xl:16px;--r-pill:9999px;
--font-sans:"Inter",system-ui,"Helvetica Neue",Helvetica,Arial,sans-serif;
--font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--canvas);color:var(--body);font-family:var(--font-sans);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}
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:26px;letter-spacing:-0.325px;line-height:1.25}
p{margin:0 0 16px}
a{color:var(--ink);text-decoration:none}
img{max-width:100%;display:block}

.top-nav{background:var(--canvas);border-bottom:1px solid var(--hairline);position:sticky;top:0;z-index:50}
.nav-inner{height:64px;display:flex;align-items:center;justify-content:space-between}
.wordmark{font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-0.4px}
.nav-menu{display:flex;align-items:center;gap:24px}
.nav-link{font-size:14px;font-weight:500;color:var(--body)}
.nav-link:hover{color:var(--ink)}
.nav-cta{background:var(--surface-card);border:1px solid var(--hairline-strong);padding:8px 14px;border-radius:var(--r-md);color:var(--ink)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{width:22px;height:2px;background:var(--ink);display:block}

.btn{font-size:14px;font-weight:500;border-radius:var(--r-md);border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;padding:10px 18px;height:40px;line-height:1}
.btn-primary{background:var(--primary);color:var(--on-primary)}
.btn-primary:active{background:var(--primary-active)}
.btn-secondary{background:var(--surface-card);color:var(--ink);border:1px solid var(--hairline-strong)}
.btn-ink{background:var(--ink);color:var(--canvas);height:44px;padding:12px 20px}
.btn-text{background:none;color:var(--ink);padding:10px 4px;text-decoration:underline;text-underline-offset:3px}

.hero{padding:80px 0 64px;border-bottom:1px solid var(--hairline)}
.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.eyebrow{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
.hero p.lede{font-size:18px;color:var(--body);max-width:46ch;margin:24px 0 32px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.hero-figure{border-radius:var(--r-lg);border:1px solid var(--hairline);overflow:hidden;background:var(--surface-card)}
.hero-figure img{width:100%;height:380px;object-fit:cover}
.figure-caption{font-size:13px;color:var(--muted);padding:12px 16px;background:var(--canvas-soft);border-top:1px solid var(--hairline)}

.section{padding:80px 0}
.section-soft{background:var(--canvas-soft);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline)}
.section-head{max-width:60ch;margin-bottom:40px}
.section-head p{font-size:16px;color:var(--body);margin-top:12px}

.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(--r-lg);padding:24px}
.card h3{font-size:22px;letter-spacing:-0.11px;margin-bottom:12px}
.card p{font-size:16px;color:var(--body)}
.card .badge-pill{margin-bottom:16px}
.card-link{display:inline-block;margin-top:16px;font-size:14px;font-weight:500;color:var(--ink);text-decoration:underline;text-underline-offset:3px}

.badge-pill{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:var(--r-pill);padding:4px 10px}

.article-card{display:flex;flex-direction:column;background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden}
.article-card img{width:100%;height:200px;object-fit:cover}
.article-card-body{padding:24px}
.article-card-body h3{font-size:22px;letter-spacing:-0.11px;margin-bottom:8px}

.measure{max-width:72ch}
.measure h2{margin:48px 0 16px}
.measure h3{margin:32px 0 12px}
.measure p{color:var(--body)}
.measure ul,.measure ol{margin:0 0 16px 22px;color:var(--body)}
.measure li{margin-bottom:8px}
.measure a{color:var(--ink);text-decoration:underline;text-underline-offset:2px}

.callout{background:var(--surface-card);border:1px solid var(--hairline);border-left:3px solid var(--primary);border-radius:var(--r-md);padding:20px 24px;margin:24px 0}
.callout p:last-child{margin-bottom:0}
.callout .badge-pill{margin-bottom:12px}

.code-block{background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:20px;font-family:var(--font-mono);font-size:13px;color:var(--ink);margin:24px 0;overflow-x:auto;white-space:pre}

.spec-table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.spec-table th,.spec-table td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--hairline)}
.spec-table th{color:var(--ink);font-weight:600;background:var(--canvas-soft)}
.spec-table td{color:var(--body)}

.article-meta{font-size:13px;color:var(--muted);margin-bottom:24px}
.article-hero{border-radius:var(--r-lg);border:1px solid var(--hairline);overflow:hidden;margin:24px 0 8px}
.article-hero img{width:100%;height:340px;object-fit:cover}

.timeline-pills{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}
.tp{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--ink);border-radius:var(--r-pill);padding:4px 10px}
.tp-think{background:var(--t-thinking)}
.tp-grep{background:var(--t-grep)}
.tp-read{background:var(--t-read)}
.tp-edit{background:var(--t-edit)}
.tp-done{background:var(--t-done);color:var(--on-primary)}

.form-wrap{background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:32px}
.form-row{margin-bottom:20px}
.form-row label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px}
.form-row input{width:100%;background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:var(--r-md);padding:12px 16px;height:44px;font-family:var(--font-sans);font-size:15px;color:var(--ink)}
.form-row input:focus{outline:none;border-color:var(--ink)}
.form-note{font-size:13px;color:var(--muted);margin-top:8px}
.form-status{font-size:15px;border-radius:var(--r-md);padding:12px 16px;margin-bottom:20px;display:none}
.form-status.ok{display:block;background:rgba(31,138,101,0.1);color:var(--success);border:1px solid rgba(31,138,101,0.3)}
.field-error{color:var(--error);font-size:13px;margin-top:6px;display:none}
.btn[disabled]{opacity:0.6;cursor:default}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-detail{margin-bottom:20px}
.contact-detail h3{font-size:18px;font-weight:600;letter-spacing:0;margin-bottom:4px}
.contact-detail p{font-size:15px;color:var(--body);margin:0}

.refs{list-style:none;margin-left:0}
.refs li{padding:12px 0;border-bottom:1px solid var(--hairline);margin-bottom:0}

.footer{background:var(--canvas);border-top:1px solid var(--hairline);padding:48px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr;gap:24px}
.footer-head{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.footer-link{display:block;font-size:14px;color:var(--body);margin-bottom:8px}
.footer-link:hover{color:var(--ink)}
.footer-note{font-size:14px;color:var(--body);margin-top:12px;max-width:34ch}
.footer-base{margin-top:32px;padding-top:24px;border-top:1px solid var(--hairline)}
.footer-base p{font-size:13px;color:var(--muted);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:60}
.cookie-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 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;letter-spacing:-1.5px}
.hero-grid{grid-template-columns:1fr;gap:32px}
.grid-3{grid-template-columns:repeat(2,1fr)}
.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);flex-direction:column;gap:0;border-bottom:1px solid var(--hairline);padding:8px 0}
.nav-menu.open{display:flex}
.nav-menu .nav-link{padding:12px 24px;width:100%}
.nav-cta{margin:8px 24px;text-align:center}
}
@media (max-width:640px){
h1{font-size:32px;letter-spacing:-1px}
h2{font-size:28px;letter-spacing:-0.5px}
.section{padding:48px 0}
.hero{padding:48px 0}
.grid-3,.grid-2,.contact-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr}
.cookie-inner{flex-direction:column;align-items:flex-start}
.hero-figure img{height:260px}
}