:root{
  color-scheme:dark;
  --paper:#0B0D0C;
  --paper-bright:#121614;
  --rule:#1F2724;
  --rule-strong:#2C3A33;
  --ink:#EDF2EE;
  --ink-soft:#92A098;
  --ink-faint:#5F6B64;
  --gold:#2EC98E;
  --r:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--paper);color:var(--ink);
  font-family:'Satoshi','Helvetica Neue',Arial,sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
::selection{background:rgba(46,201,142,.3)}
.wrap{max-width:1160px;margin:0 auto;padding:0 32px}
.mono{font-family:'JetBrains Mono',ui-monospace,'SF Mono',Menlo,monospace}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  background:linear-gradient(180deg,#3BD79C,#22B37D);color:#07120D;
  font-size:13px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  padding:15px 28px;border-radius:10px;
  transition:filter .2s ease,transform .15s ease,box-shadow .2s ease;
}
.btn:hover{filter:brightness(1.07);transform:translateY(-1px);box-shadow:0 10px 30px rgba(46,201,142,.18)}

header.nav{position:fixed;top:0;left:0;right:0;z-index:90;background:rgba(11,13,12,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--rule)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px;gap:18px}
.nav-in img{height:34px;width:auto}
.nav-cta{display:flex;align-items:center;gap:18px}
.nav-cta .blog-link{font-size:13.5px;font-weight:500;color:var(--ink-soft);transition:color .2s ease}
.nav-cta .blog-link:hover{color:var(--ink)}
.nav-cta .btn{padding:10px 22px;font-size:12px}

/* ------- blog index ------- */
.blog-head{padding:150px 0 20px}
.kicker{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:10.5px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
h1.blog-title{font-weight:700;font-size:clamp(32px,4vw,52px);line-height:1.1;letter-spacing:-.015em;max-width:18ch}
.blog-lead{color:var(--ink-soft);max-width:40em;margin-top:14px;font-size:16.5px}

.filters{display:flex;gap:10px;flex-wrap:wrap;margin:40px 0 26px}
.filter{
  font-family:'JetBrains Mono',ui-monospace,monospace;
  font-size:10.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-soft);padding:9px 18px;border:1px solid var(--rule-strong);border-radius:100px;
  background:transparent;cursor:pointer;transition:all .2s ease;
}
.filter:hover{color:var(--ink);border-color:var(--gold)}
.filter.active{background:var(--gold);color:#07120D;border-color:var(--gold)}

.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding-bottom:100px}
.post-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--paper-bright);border:1px solid var(--rule);border-radius:var(--r);
  padding:28px 26px;
  transition:transform .3s cubic-bezier(.22,1,.36,1),border-color .3s ease,box-shadow .3s ease;
}
.post-card:hover{transform:translateY(-3px);border-color:var(--rule-strong);box-shadow:0 16px 40px rgba(0,0,0,.35)}
.post-card .cat{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:10px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}
.post-card h2{font-size:21px;font-weight:700;line-height:1.3;letter-spacing:-.01em}
.post-card p{font-size:14.5px;color:var(--ink-soft)}
.post-card .meta{margin-top:auto;padding-top:8px;font-size:12.5px;color:var(--ink-faint)}
.post-card.hidden{display:none}

/* ------- article ------- */
.art-head{padding:150px 0 34px;border-bottom:1px solid var(--rule)}
.art-head .wrap,.art-body .wrap{max-width:760px}
.art-head .cat{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:10.5px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--gold)}
.art-head h1{font-weight:700;font-size:clamp(28px,4vw,44px);line-height:1.15;letter-spacing:-.015em;margin:16px 0 18px}
.art-head .meta{font-size:13px;color:var(--ink-faint)}
.art-body{padding:44px 0 30px}
.art-body p{font-size:16.5px;color:var(--ink-soft);margin-bottom:22px;max-width:42em}
.art-body p b,.art-body p strong{color:var(--ink)}
.art-body h2{font-size:23px;font-weight:700;letter-spacing:-.01em;margin:38px 0 14px;color:var(--ink)}
.art-body ul{margin:0 0 22px 0;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:10px}
.art-body li{display:block;position:relative;padding-left:26px;font-size:16px;color:var(--ink-soft)}
.art-body li::before{content:"✓";color:var(--gold);font-weight:700;position:absolute;left:0;top:0}
.art-body li b{color:var(--ink)}
.art-fig{margin:0 0 26px;max-width:42em}
.art-fig img{width:100%;border-radius:12px;border:1px solid var(--rule)}
.art-fig figcaption{font-size:13px;color:var(--ink-faint);margin-top:10px;text-align:center}

.callquote{
  border-left:2px solid var(--gold);background:var(--paper-bright);
  padding:16px 22px;margin:0 0 22px;font-size:16.5px;font-weight:500;color:var(--ink);max-width:42em;
}

.art-cta{margin:60px 0 90px}
.art-cta .wrap{max-width:760px}
.art-cta .box{
  background:var(--paper-bright);border:1px solid var(--rule-strong);border-radius:var(--r);
  padding:34px 30px;text-align:center;
}
.art-cta .box h3{font-size:22px;font-weight:700;letter-spacing:-.01em;margin-bottom:8px}
.art-cta .box p{color:var(--ink-soft);font-size:15px;max-width:36em;margin:0 auto 20px}
.art-cta .micro{margin-top:12px;font-size:12.5px;color:var(--ink-faint)}
.back-link{display:inline-flex;gap:8px;font-size:13.5px;color:var(--ink-soft);margin-bottom:26px}
.back-link:hover{color:var(--ink)}

footer{background:#070908;color:var(--ink-soft);padding:44px 0 54px;border-top:1px solid var(--rule)}
.foot-in{display:flex;align-items:flex-start;justify-content:space-between;gap:30px;flex-wrap:wrap}
.foot-in img{height:38px;width:auto}
.foot-tag{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:10.5px;font-weight:600;letter-spacing:.24em;color:var(--gold);text-transform:uppercase;margin-top:12px}
.disclaimer{margin-top:34px;font-size:12px;color:var(--ink-faint);max-width:56em;line-height:1.7}

.rv{opacity:0;transform:translateY(14px);transition:opacity .65s cubic-bezier(.22,1,.36,1),transform .65s cubic-bezier(.22,1,.36,1)}
.rv.on{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

@media(max-width:768px){
  .wrap{padding:0 20px}
  .filter{padding:13px 18px}
  .art-cta .box .btn{width:100%;justify-content:center;padding:16px 20px}
  h1.blog-title{font-size:clamp(27px,7.6vw,32px)}
  .art-head h1{font-size:clamp(25px,7.2vw,30px)}
  .blog-lead{font-size:14.5px}
  .nav-in{height:62px}
  .nav-in img{height:26px}
  .blog-head{padding-top:110px}
  .grid{grid-template-columns:1fr;gap:12px;padding-bottom:72px}
  .post-card{padding:22px 20px}
  .post-card h2{font-size:18px}
  .filters{margin:30px 0 20px}
  .art-head{padding-top:110px}
  .art-body p{font-size:15.5px}
  .art-cta .box{padding:26px 20px}
  .foot-in{flex-direction:column;gap:18px}
}