/* ============================================================
   AURENTEX BLOG — shared post styles
   Used by every article in /blog/. Edit brand tokens in :root
   once and every post updates. Layout/blocks mirror the
   aurentex-blog-template design.
   ============================================================ */
:root{
  --bg:#0a1124;
  --bg-soft:#0f1830;
  --card:#111c38;
  --line:rgba(255,255,255,0.09);
  --ink:#f2f5fb;
  --muted:#9aa6be;
  --amber:#f5a524;
  --amber-soft:rgba(245,165,36,0.14);
  --purple:#7c6cff;
  --green:#34d399;
}
*{box-sizing:border-box;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--amber);}
::selection{background:var(--amber);color:#1a1300;}

/* Top bar */
.bar{
  max-width:1100px;margin:0 auto;padding:22px 28px;
  display:flex;align-items:center;justify-content:space-between;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;}
.brand img{height:68px;width:auto;display:block;}
.nav{display:flex;gap:26px;font-size:14px;color:var(--muted);}
.nav a{color:var(--muted);text-decoration:none;transition:color .2s;}
.nav a:hover{color:var(--amber);}

/* Article column */
.wrap{max-width:720px;margin:0 auto;padding:0 28px 110px;}
.kicker{
  display:inline-block;margin-top:30px;color:var(--amber);
  font-size:12.5px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;
}
h1{font-size:44px;line-height:1.1;letter-spacing:-0.025em;margin:16px 0 20px;font-weight:800;}
.dek{font-size:20px;color:var(--muted);margin:0 0 30px;line-height:1.55;}
.byline{display:flex;align-items:center;gap:13px;padding:18px 0 26px;border-bottom:1px solid var(--line);}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:none;
  background:#0a1124;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.avatar svg{width:24px;height:24px;}
.byline .who{font-size:14px;color:var(--muted);}
.byline .who b{color:var(--ink);}

figure{margin:34px 0;}
figure img{width:100%;border-radius:16px;display:block;border:1px solid var(--line);}
figure svg{display:block;border-radius:16px;}
figcaption{font-size:13px;color:var(--muted);margin-top:9px;}

p{font-size:18.5px;margin:0 0 20px;}
.lead{font-size:21px;line-height:1.6;}
h2{font-size:29px;letter-spacing:-0.02em;margin:50px 0 14px;font-weight:800;}
h3{font-size:21px;margin:34px 0 10px;font-weight:700;}
ul,ol{font-size:18.5px;margin:0 0 20px;padding-left:22px;}
li{margin-bottom:9px;}
li::marker{color:var(--amber);}
strong{color:var(--ink);}

/* Labelled rows */
.vendors{margin:22px 0;border-top:1px solid var(--line);}
.vendors .row{display:flex;gap:16px;padding:15px 2px;border-bottom:1px solid var(--line);align-items:baseline;}
.vendors .row b{flex:none;width:210px;color:var(--ink);font-size:16.5px;}
.vendors .row span{color:var(--muted);font-size:16px;}

/* Pull quote */
.pull{
  border-left:3px solid var(--amber);background:var(--bg-soft);
  padding:20px 24px;margin:32px 0;font-size:19px;color:var(--ink);border-radius:0 12px 12px 0;
}

/* Stat strip */
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:34px 0;}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 18px;}
.stat .num{font-size:32px;font-weight:800;color:var(--amber);letter-spacing:-0.02em;}
.stat .lbl{font-size:13.5px;color:var(--muted);margin-top:6px;line-height:1.45;}

/* Chart card */
.chart-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 24px 16px;margin:34px 0;}
.chart-title{font-weight:800;font-size:17px;margin:0 0 4px;}
.chart-sub{font-size:13px;color:var(--muted);margin:0 0 16px;line-height:1.5;}

/* CTA */
.cta{margin:52px 0 0;background:linear-gradient(135deg,#15244a,#1a1340);border:1px solid var(--line);border-radius:18px;padding:34px 30px;text-align:center;}
.cta h3{margin:0 0 8px;font-size:25px;}
.cta p{color:var(--muted);margin:0 0 20px;font-size:17px;}
.cta a{display:inline-block;background:var(--amber);color:#1a1300;font-weight:800;padding:13px 28px;border-radius:11px;text-decoration:none;}

/* References */
.refs{margin-top:64px;padding-top:24px;border-top:1px solid var(--line);}
.refs h2{font-size:19px;margin:0 0 14px;}
.refs ol{padding-left:20px;margin:0;}
.refs li{font-size:14px;color:var(--muted);margin-bottom:11px;line-height:1.55;}
.refs a{word-break:break-word;}
sup a{text-decoration:none;font-weight:700;font-size:12px;color:var(--amber);}

/* Tags */
.tags{margin-top:30px;}
.tag{display:inline-block;background:var(--amber-soft);color:var(--amber);font-size:12px;font-weight:700;padding:5px 12px;border-radius:20px;margin-right:7px;}

/* Smooth in-page TOC jumps */
html{scroll-behavior:smooth;scroll-padding-top:28px;}
.toc{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 26px;margin:30px 0 6px;}
.toc h2{font-size:12.5px;letter-spacing:0.10em;text-transform:uppercase;color:var(--muted);margin:0 0 12px;font-weight:800;}
.toc ol{margin:0;padding:0;list-style:none;counter-reset:tocnum;font-size:inherit;}
.toc li{padding:9px 0;border-bottom:1px solid var(--line);display:flex;gap:14px;align-items:baseline;counter-increment:tocnum;margin:0;}
.toc li:last-child{border-bottom:none;}
.toc li:before{content:counter(tocnum,decimal-leading-zero);color:var(--amber);font-weight:800;font-size:13px;flex:none;width:28px;}
.toc a{color:var(--ink);text-decoration:none;font-weight:600;font-size:16.5px;line-height:1.45;transition:color .2s;}
.toc a:hover{color:var(--amber);}
.toc a.active{color:var(--amber);}
.toc li.active:before{color:var(--amber);}

/* Desktop: pin the table of contents as a sticky sidebar in the left margin,
   article column stays to the right. Falls back to the inline card below 1250px. */
@media (min-width:1250px){
  .toc{
    position:fixed;
    top:210px;
    left:calc(50% - 606px);
    width:210px;
    margin:0;
    padding:18px 18px;
    max-height:calc(100vh - 150px);
    overflow:auto;
  }
  .toc h2{font-size:11.5px;margin-bottom:10px;}
  .toc li{padding:8px 0;gap:10px;}
  .toc li:before{width:20px;font-size:12px;}
  .toc a{font-size:13.5px;line-height:1.4;}
}

/* Subscribe */
.subscribe{margin:52px 0 0;background:var(--bg-soft);border:1px solid var(--line);border-radius:18px;padding:30px 30px;text-align:center;}
.subscribe h3{margin:0 0 6px;font-size:23px;}
.subscribe p{color:var(--muted);margin:0 0 18px;font-size:16px;}
.subscribe form{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;max-width:520px;margin:0 auto;}
.subscribe input[type=email]{flex:1 1 240px;background:#0a1124;color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:12px 14px;font:inherit;font-size:15px;outline:none;}
.subscribe input[type=email]:focus{border-color:var(--amber);}
.subscribe button{background:var(--amber);color:#1a1300;border:0;border-radius:10px;padding:12px 22px;font:inherit;font-weight:800;font-size:15px;cursor:pointer;transition:background .2s;}
.subscribe button:disabled{opacity:.85;cursor:default;}
.subscribe .fine{font-size:12px;color:var(--muted);margin-top:12px;}
.subscribe .msg{font-size:14px;margin-top:14px;min-height:1px;}
.subscribe .msg.ok{color:var(--green);}
.subscribe .msg.err{color:#ff6b6b;}

@media (max-width:560px){
  h1{font-size:33px;} .nav{display:none;}
  .stat-strip{grid-template-columns:1fr;}
  .vendors .row{flex-direction:column;gap:3px;} .vendors .row b{width:auto;}
  .subscribe form{flex-direction:column;}
  .brand img{height:50px;}
}