: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;
--accent-read:#9fbbe0;
--accent-grep:#9fc9a2;
--accent-edit:#c0a8dd;
--sans:"Inter",system-ui,"Helvetica Neue",Helvetica,Arial,sans-serif;
--mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
background:var(--canvas);
color:var(--body);
font-family:var(--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}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--primary)}
img{max-width:100%;display:block}
h1,h2,h3,h4{color:var(--ink);font-weight:400;letter-spacing:-0.72px;line-height:1.2}
h1{font-size:60px;letter-spacing:-1.8px;line-height:1.1}
h2{font-size:36px}
h3{font-size:26px;letter-spacing:-0.325px}
h4{font-size:22px;letter-spacing:-0.11px}
p{margin:0 0 16px}
.label{
font-family:var(--mono);
font-size:11px;
font-weight:600;
letter-spacing:0.88px;
text-transform:uppercase;
color:var(--muted);
}
.topnav{
position:sticky;top:0;z-index:50;
background:var(--canvas);
border-bottom:1px solid var(--hairline);
height:64px;
display:flex;align-items:center;
}
.topnav .container{display:flex;align-items:center;justify-content:space-between;width:100%}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-0.3px}
.brand .dot{width:14px;height:14px;border-radius:9999px;background:var(--primary);display:inline-block}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{font-size:14px;font-weight:500;color:var(--ink);letter-spacing:0}
.nav-links a.active{color:var(--primary)}
.nav-toggle{display:none;background:none;border:1px solid var(--hairline-strong);border-radius:8px;padding:8px 10px;cursor:pointer;font-family:var(--mono);font-size:12px}
.hero{padding:80px 0 56px;border-bottom:1px solid var(--hairline)}
.hero .label{margin-bottom:16px}
.hero h1{max-width:780px}
.hero p.lead{font-size:18px;color:var(--body);max-width:640px;margin-top:20px}
.hero-meta{margin-top:24px;font-family:var(--mono);font-size:13px;color:var(--muted)}
.hero-figure{margin-top:48px;border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card)}
.hero-figure img{width:100%;height:auto;object-fit:cover;max-height:440px}
.hero-figure figcaption{font-size:13px;color:var(--muted);padding:12px 16px;border-top:1px solid var(--hairline)}
section{padding:80px 0}
section.tight{padding:56px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head .label{margin-bottom:12px;display:block}
.section-head p{color:var(--body);font-size:16px;margin-top:16px}
.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{font-size:22px;letter-spacing:-0.11px;margin-bottom:12px}
.card h4{font-size:18px;font-weight:600;letter-spacing:0;margin-bottom:10px}
.card p{font-size:15px;color:var(--body);margin-bottom:0}
.card .label{display:block;margin-bottom:14px}
.card .accent{height:3px;width:36px;border-radius:9999px;margin-bottom:16px;background:var(--primary)}
.card .accent.read{background:var(--accent-read)}
.card .accent.grep{background:var(--accent-grep)}
.card .accent.edit{background:var(--accent-edit)}
.article-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.article-card img{width:100%;height:200px;object-fit:cover}
.article-card .body{padding:20px;display:flex;flex-direction:column;flex:1}
.article-card .label{margin-bottom:10px}
.article-card h3{font-size:20px;letter-spacing:-0.11px;margin-bottom:10px}
.article-card p{font-size:14px;color:var(--body);flex:1;margin-bottom:16px}
.article-card .read-link{font-family:var(--mono);font-size:13px;color:var(--ink);border-top:1px solid var(--hairline-soft);padding-top:12px}
.article-card:hover .read-link{color:var(--primary)}
.badge{display:inline-block;background:var(--surface-strong);color:var(--ink);font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;border-radius:9999px;padding:4px 10px}
.divider{border:0;border-top:1px solid var(--hairline);margin:0}
.article-wrap{max-width:760px;margin:0 auto;padding:64px 0}
.article-wrap .badge{margin-bottom:20px}
.article-wrap h1{font-size:44px;letter-spacing:-1.2px;margin-bottom:16px}
.article-wrap .updated{font-family:var(--mono);font-size:13px;color:var(--muted);margin-bottom:32px}
.article-wrap figure{margin:32px 0;border:1px solid var(--hairline);border-radius:12px;overflow:hidden;background:var(--surface-card)}
.article-wrap figure img{width:100%;max-height:420px;object-fit:cover}
.article-wrap figcaption{font-size:13px;color:var(--muted);padding:12px 16px;border-top:1px solid var(--hairline)}
.article-wrap h2{font-size:30px;letter-spacing:-0.6px;margin:40px 0 16px}
.article-wrap h3{font-size:22px;letter-spacing:-0.11px;margin:28px 0 12px}
.article-wrap p{font-size:17px;color:var(--body);margin-bottom:18px;letter-spacing:0.08px}
.article-wrap ul,.article-wrap ol{margin:0 0 18px 22px;color:var(--body)}
.article-wrap li{font-size:17px;margin-bottom:8px;letter-spacing:0.08px}
.callout{background:var(--canvas-soft);border:1px solid var(--hairline);border-left:3px solid var(--primary);border-radius:8px;padding:20px 24px;margin:28px 0}
.callout .label{display:block;margin-bottom:8px}
.callout p{margin-bottom:0;font-size:16px}
.checklist{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px;padding:24px 28px;margin:28px 0}
.checklist ul{list-style:none;margin:0}
.checklist li{padding-left:26px;position:relative}
.checklist li:before{content:"+";font-family:var(--mono);color:var(--success);position:absolute;left:0;top:0;font-weight:600}
.factbox{background:var(--canvas-soft);border:1px solid var(--hairline);border-radius:12px;padding:24px;margin:28px 0}
.factbox dl{display:grid;grid-template-columns:1fr;gap:14px}
.factbox dt{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted)}
.factbox dd{font-size:16px;color:var(--ink);margin-top:2px}
.related{border-top:1px solid var(--hairline);margin-top:48px;padding-top:32px}
.related .label{display:block;margin-bottom:16px}
.related a{display:block;font-size:17px;color:var(--ink);padding:10px 0;border-bottom:1px solid var(--hairline-soft)}
.related a:hover{color:var(--primary)}
.sources{font-size:14px;color:var(--muted);margin-top:32px}
.sources a{color:var(--body);text-decoration:underline}
.sources a:hover{color:var(--primary)}
.page-wrap{max-width:760px;margin:0 auto;padding:64px 0}
.page-wrap h1{font-size:44px;letter-spacing:-1.2px;margin-bottom:12px}
.page-wrap h2{font-size:26px;letter-spacing:-0.325px;margin:36px 0 14px}
.page-wrap p{font-size:17px;color:var(--body);margin-bottom:18px;letter-spacing:0.08px}
.page-wrap ul{margin:0 0 18px 22px;color:var(--body)}
.page-wrap li{font-size:17px;margin-bottom:8px}
.page-wrap .updated{font-family:var(--mono);font-size:13px;color:var(--muted);margin-bottom:32px}
.contact-band{background:var(--canvas-soft);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.form-field{margin-bottom:18px}
.form-field label{display:block;font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.form-field input,.form-field textarea{
width:100%;
background:var(--surface-card);
border:1px solid var(--hairline-strong);
border-radius:8px;
padding:12px 16px;
font-family:var(--sans);
font-size:15px;
color:var(--ink);
min-height:44px;
}
.form-field textarea{min-height:110px;resize:vertical}
.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--primary)}
.btn-primary{
background:var(--primary);
color:var(--on-primary);
border:none;
font-family:var(--sans);
font-size:14px;
font-weight:500;
padding:0 18px;
height:44px;
border-radius:8px;
cursor:pointer;
}
.btn-primary:hover{background:var(--primary-active)}
.btn-primary[disabled]{opacity:.7;cursor:default}
.form-status{font-size:14px;margin-top:14px;min-height:20px}
.form-status.ok{color:var(--success)}
.contact-info dl{display:grid;gap:18px}
.contact-info dt{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted)}
.contact-info dd{font-size:16px;color:var(--ink);margin-top:4px}
.site-footer{background:var(--canvas);border-top:1px solid var(--hairline);padding:64px 0 48px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.footer-grid h4{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
.footer-grid a{display:block;font-size:14px;color:var(--body);margin-bottom:10px}
.footer-grid a:hover{color:var(--primary)}
.footer-grid p{font-size:14px;color:var(--body)}
.footer-bottom{border-top:1px solid var(--hairline);margin-top:40px;padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--muted)}
.footer-bottom .disclaimer{max-width:640px}
.cookie-banner{
position:fixed;left:24px;right:24px;bottom:24px;z-index:100;
max-width:560px;margin:0 auto;
background:var(--surface-card);
border:1px solid var(--hairline-strong);
border-radius:12px;
padding:24px;
display:none;
}
.cookie-banner.show{display:block}
.cookie-banner p{font-size:14px;color:var(--body);margin-bottom:16px}
.cookie-banner .actions{display:flex;gap:12px}
.cookie-banner .btn-ghost{
background:var(--surface-card);
border:1px solid var(--hairline-strong);
color:var(--ink);
border-radius:8px;
height:40px;padding:0 18px;
font-family:var(--sans);font-size:14px;font-weight:500;cursor:pointer;
}
.cookie-banner .btn-ghost:hover{border-color:var(--ink)}
@media(max-width:1024px){
.grid-3{grid-template-columns:repeat(2,1fr)}
h1{font-size:48px}
.hero h1{font-size:48px}
.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
.nav-links{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-links.open{display:flex}
.nav-links a{padding:12px 0;border-bottom:1px solid var(--hairline-soft);width:100%}
.nav-toggle{display:inline-block}
.grid-3,.grid-2{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr;gap:32px}
.footer-grid{grid-template-columns:1fr}
h1,.hero h1{font-size:34px;letter-spacing:-1px}
.article-wrap h1,.page-wrap h1{font-size:32px;letter-spacing:-0.8px}
section{padding:56px 0}
}