/* Brand fonts */
@font-face{font-family:'Roobert';src:url('/fonts/Roobert-Regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap;}
@font-face{font-family:'Roobert';src:url('/fonts/Roobert-Medium.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap;}
@font-face{font-family:'Roobert';src:url('/fonts/Roobert-SemiBold.woff2') format('woff2');font-weight:600 700;font-style:normal;font-display:swap;}
@font-face{font-family:'Roobert';src:url('/fonts/Roobert-Bold.woff2') format('woff2');font-weight:800 900;font-style:normal;font-display:swap;}

:root{
  --green:#139A66; --green-d:#139A66;
  --purple:#6931E1; --purple-d:#6931E1;
  --lime:#BCE97C; --lilac:#6931E1;
  --black:#000000; --ink:#000000; --muted:#5A5F6B;
  --white:#FFFFFF; --bg:#F7F7F4; --line:#E7E7E2;
  --radius:18px; --maxw:1180px; --prose:820px;
  --font-sans:'Roobert','Roobert TRIAL',Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-family:var(--font-sans);
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{background:var(--bg);color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--green);}
h1,h2,h3{letter-spacing:-.02em;line-height:1.15;}
p.lead{font-size:clamp(17px,2vw,20px);color:var(--muted);}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;font-size:16px;
     padding:15px 26px;border-radius:999px;border:0;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 22px rgba(19,154,102,.28);}
.btn-primary:hover{background:var(--green-d);box-shadow:0 12px 28px rgba(19,154,102,.36);transform:translateY(-2px);}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line);}
.btn-ghost:hover{border-color:var(--ink);}
.arrow{transition:transform .15s ease;}
.btn:hover .arrow{transform:translateX(3px);}

.logo{display:flex;align-items:center;gap:11px;}
.logo .word{font-weight:900;font-size:26px;letter-spacing:-.03em;}
.logo-mark,.logo-full{display:block;object-fit:contain;width:auto;flex:none;}
.logo-mark{height:36px;}
.logo-full{height:32px;}
footer .logo-full{height:32px;}

/* Only the site nav header is sticky; .article-header is also a <header> and must scroll normally */
body > header{position:sticky;top:0;z-index:50;background:rgba(247,247,244,.82);backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line);}
body > header nav{display:flex;align-items:center;justify-content:space-between;height:72px;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{font-size:15px;font-weight:600;color:var(--muted);}
.nav-links a:hover{color:var(--ink);}
.nav-cta{display:flex;align-items:center;gap:14px;}
.nav-cta .signin{font-size:15px;font-weight:600;}

/* Blog index */
.blog-hero{padding:48px 0 24px;}
.blog-hero h1{font-size:clamp(32px,4.5vw,44px);font-weight:900;margin:12px 0 10px;max-width:18ch;}
.blog-hero .lead{max-width:44ch;}

.post-list{padding:8px 0 80px;max-width:820px;}
.post-item{display:block;padding:28px 0;border-bottom:1px solid var(--line);transition:opacity .2s ease;}
.post-item:first-child{padding-top:32px;}
.post-item:hover{opacity:.72;}
.post-item .meta{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:10px;}
.post-item .meta .sep{opacity:.4;}
.post-item h2{font-size:clamp(22px,2.8vw,28px);font-weight:800;margin-bottom:10px;letter-spacing:-.02em;}
.post-item p{color:var(--muted);font-size:16px;line-height:1.6;max-width:62ch;}
.post-item .read{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:700;color:var(--green);}
.post-item:hover .read .arrow{transform:translateX(3px);}
.post-item .read .arrow{display:inline-block;transition:transform .15s ease;}

/* Article */
.article-wrap{max-width:var(--prose);margin:0 auto;padding:0 28px;}
.back{display:inline-flex;align-items:center;gap:6px;padding:28px 0 0;font-size:14px;font-weight:600;color:var(--muted);}
.back:hover{color:var(--ink);}
.article-header{padding:20px 0 28px;}
.article-header h1{font-size:clamp(28px,4vw,40px);font-weight:900;margin:0 0 14px;line-height:1.18;}
.article-header .deck{font-size:clamp(17px,1.8vw,19px);color:var(--muted);line-height:1.55;max-width:60ch;}
.article-header .meta{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--muted);margin-top:16px;}
.article-header .meta .sep{opacity:.4;}

.prose{padding:8px 0 56px;font-size:18px;line-height:1.75;color:#1a1a1a;}
.prose > *:first-child{margin-top:0;}
.prose h2{font-size:clamp(22px,2.4vw,26px);font-weight:800;margin:2.2em 0 .65em;letter-spacing:-.02em;line-height:1.25;}
.prose h3{font-size:clamp(18px,2vw,20px);font-weight:700;margin:1.7em 0 .5em;line-height:1.3;}
.prose p{margin:0 0 1.2em;}
.prose strong{font-weight:700;}
.prose a{color:var(--purple);text-decoration:underline;text-underline-offset:3px;}
.prose a:hover{color:var(--green);}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:1.4em;}
.prose li{margin-bottom:.5em;}
.prose li::marker{color:var(--green);}
.prose blockquote{margin:1.6em 0;padding:4px 0 4px 18px;border-left:3px solid var(--lime);color:var(--muted);}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}
.prose code{background:#fff;border:1px solid var(--line);padding:1px 6px;border-radius:5px;font-size:.88em;}
.prose pre{background:#141414;color:#e7eaef;padding:18px 20px;border-radius:14px;overflow-x:auto;margin:0 0 1.4em;font-size:14px;line-height:1.55;}
.prose pre code{background:none;border:0;padding:0;color:inherit;font-size:inherit;}
.prose table{width:100%;border-collapse:collapse;margin:0 0 1.6em;font-size:15px;display:block;overflow-x:auto;}
.prose thead{border-bottom:2px solid var(--ink);}
.prose th{text-align:left;font-weight:700;padding:10px 16px 10px 0;}
.prose td{padding:10px 16px 10px 0;border-bottom:1px solid var(--line);vertical-align:top;color:var(--muted);}
.prose td:first-child,.prose th:first-child{color:var(--ink);font-weight:600;}
.prose img{max-width:100%;border-radius:12px;margin:1em 0;}

.article-cta{margin:0 0 72px;padding:32px 28px;border-top:1px solid var(--line);text-align:left;}
.article-cta h2{font-size:22px;font-weight:800;margin-bottom:8px;}
.article-cta p{color:var(--muted);margin-bottom:18px;max-width:42ch;}

.more{padding:0 0 72px;max-width:var(--prose);margin:0 auto;}
.more h2{padding:8px 28px 16px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;font-size:12px;font-weight:700;}
.more-list{display:grid;gap:0;padding:0 28px;}
.more-list a{display:block;padding:16px 0;border-top:1px solid var(--line);font-weight:700;font-size:16px;transition:color .15s ease;}
.more-list a:hover{color:var(--green);}
.more-list a span{display:block;font-weight:500;font-size:14px;color:var(--muted);margin-top:4px;}

footer{background:var(--black);color:#9097a3;padding:60px 0 36px;}
.foot-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;border-bottom:1px solid #222;}
footer .logo .word{color:#fff;}
footer h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;}
footer ul{list-style:none;display:grid;gap:9px;}
footer ul a{font-size:14px;color:#9097a3;}
footer ul a:hover{color:var(--lime);}
.foot-about{font-size:14px;line-height:1.6;margin:16px 0;max-width:320px;}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;font-size:13px;flex-wrap:wrap;gap:12px;}

@media (max-width:880px){
  .foot-grid{grid-template-columns:1fr;}
  .nav-links{display:none;}
  .article-wrap{padding:0 20px;}
  .more h2,.more-list{padding-left:20px;padding-right:20px;}
}