/* ─── Shared landing reset + theme (copy of inline landing style) ─── */
:root{--bg:#06070b;--bg2:#0c0e16;--bg3:#11131d;--sf:#171a28;--bd:rgba(255,255,255,.05);--bd2:rgba(255,255,255,.1);--tx:#f0f2f7;--mt:#8990a8;--dm:#4e5370;--ac:#4f8ff7;--ag:rgba(79,143,247,.12);--gn:#22d3a7;--am:#f59e0b;--rd:#ef4444;--pp:#a855f7;--cn:#06b6d4;--gr:linear-gradient(135deg,#4f8ff7,#22d3a7);--r:16px;--rs:10px;--f:'Outfit',sans-serif}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--f);background:var(--bg);color:var(--tx);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
body::after{content:'';position:fixed;inset:0;background:url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.025'/%3E%3C/svg%3E");pointer-events:none;z-index:9999}
.grid-bg{position:fixed;inset:0;background-image:linear-gradient(rgba(79,143,247,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(79,143,247,.03) 1px,transparent 1px);background-size:60px 60px;pointer-events:none;mask-image:radial-gradient(ellipse 80% 60% at 50% 30%,#000 20%,transparent)}
.container{max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.container-narrow{max-width:780px;margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ─── Nav ─── */
nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:18px 0;background:rgba(6,7,11,.6);backdrop-filter:blur(24px) saturate(1.4);border-bottom:1px solid var(--bd);transition:all .3s}
nav.scrolled{padding:12px 0;background:rgba(6,7,11,.92)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto;padding:0 24px}
.logo{display:flex;align-items:center;text-decoration:none;height:32px}
.logo svg{height:28px;width:auto;overflow:visible}
@keyframes dotBounce{0%,100%{transform:translateY(0)}15%{transform:translateY(-6px)}30%{transform:translateY(0)}42%{transform:translateY(-3px)}54%{transform:translateY(0)}}
.logo-bounce{animation:dotBounce 2.5s cubic-bezier(.36,0,.66,1) infinite}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-links a{color:var(--mt);text-decoration:none;font-size:14px;font-weight:500;transition:color .25s;position:relative}
.nav-links a:not(.btn):hover{color:var(--tx)}
.nav-links a:not(.btn)::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--ac);border-radius:2px;transition:width .3s}
.nav-links a:not(.btn):hover::after{width:100%}
.nav-links a.active{color:var(--tx)}
.nav-links a.active::after{width:100%}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:50px;font-family:var(--f);font-size:15px;font-weight:600;text-decoration:none;transition:all .35s cubic-bezier(.16,1,.3,1);cursor:pointer;border:none;letter-spacing:.2px;position:relative;overflow:hidden}
.btn-primary{background:var(--ac);color:#fff !important;font-weight:700;text-shadow:0 1px 2px rgba(0,0,0,.2);box-shadow:0 0 40px var(--ag),0 2px 8px rgba(0,0,0,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 60px rgba(79,143,247,.25),0 8px 24px rgba(0,0,0,.3)}
.btn-outline{background:transparent;color:var(--tx);border:1px solid var(--bd2)}
.btn-outline:hover{border-color:var(--ac);color:var(--ac);background:var(--ag);transform:translateY(-2px)}
.btn-large{padding:17px 40px;font-size:16px}
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:4px}
.hamburger span{display:block;width:22px;height:2px;background:var(--tx);margin:5px 0;border-radius:2px}

/* ─── Blog hero ─── */
.blog-hero{padding:160px 0 60px;position:relative}
.blog-hero-glow{position:absolute;top:-200px;left:50%;transform:translateX(-50%);width:800px;height:800px;background:radial-gradient(circle,rgba(79,143,247,.08),transparent 60%);pointer-events:none}
.blog-eyebrow{display:inline-flex;align-items:center;gap:10px;padding:6px 16px;background:var(--ag);border:1px solid rgba(79,143,247,.15);border-radius:50px;font-size:12px;font-weight:600;color:var(--ac);margin-bottom:24px;text-transform:uppercase;letter-spacing:1px;text-decoration:none}
.blog-eyebrow:hover{background:rgba(79,143,247,.2)}
.blog-h1{font-size:clamp(34px,5vw,54px);font-weight:800;line-height:1.1;letter-spacing:-1.5px;margin-bottom:20px}
.blog-lead{font-size:clamp(16px,1.8vw,19px);color:var(--mt);line-height:1.7;max-width:720px;margin-bottom:32px}
.blog-meta{display:flex;gap:20px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--dm);padding-bottom:32px;border-bottom:1px solid var(--bd);margin-bottom:48px}
.blog-meta time{color:var(--mt)}
.blog-meta .dot{width:3px;height:3px;background:var(--dm);border-radius:50%}

/* ─── Tag chips ─── */
.blog-tags{display:flex;gap:8px;flex-wrap:wrap}
.blog-tag{display:inline-block;padding:4px 12px;background:var(--sf);border:1px solid var(--bd2);border-radius:50px;font-size:12px;color:var(--mt);text-decoration:none;transition:all .2s}
.blog-tag:hover{border-color:var(--ac);color:var(--ac);background:var(--ag)}
.blog-tag.active{background:var(--ac);color:#fff;border-color:var(--ac)}

/* ─── Article hero SVG illustration ─── */
.article-hero-wrap{margin:-16px 0 40px;border-radius:16px;overflow:hidden;background:#0c0e16;border:1px solid var(--bd);box-shadow:0 10px 40px rgba(0,0,0,.3)}
.article-hero-wrap svg.article-hero{display:block;width:100%;height:auto}

/* ─── Inline article figures (SVG diagrams) ─── */
figure.article-figure{margin:40px 0;padding:0;border:1px solid var(--bd);border-radius:16px;overflow:hidden;background:#0c0e16}
figure.article-figure svg.article-diagram{display:block;width:100%;height:auto}
figure.article-figure figcaption{padding:14px 20px;background:var(--bg3);font-size:13px;color:var(--mt);text-align:center;border-top:1px solid var(--bd);line-height:1.5}

@media(max-width:768px){
  .article-hero-wrap{margin:0 -24px 32px;border-radius:0;border-left:none;border-right:none}
  figure.article-figure{margin:32px -24px;border-radius:0;border-left:none;border-right:none}
}

/* ─── Article typography ─── */
article.blog-body{padding:0 0 80px}
article.blog-body h2{font-size:clamp(24px,3vw,32px);font-weight:700;margin:56px 0 20px;letter-spacing:-.5px;line-height:1.25;scroll-margin-top:100px}
article.blog-body h3{font-size:clamp(19px,2.2vw,22px);font-weight:600;margin:40px 0 14px;line-height:1.3;scroll-margin-top:100px}
article.blog-body p{font-size:17px;color:#c8cde0;line-height:1.8;margin-bottom:20px}
article.blog-body p strong{color:var(--tx);font-weight:600}
article.blog-body ul,article.blog-body ol{margin:0 0 24px 0;padding-left:28px}
article.blog-body li{font-size:17px;color:#c8cde0;line-height:1.8;margin-bottom:10px}
article.blog-body li strong{color:var(--tx)}
article.blog-body a{color:var(--ac);text-decoration:none;border-bottom:1px solid rgba(79,143,247,.3);transition:border-color .2s,color .2s}
article.blog-body a:hover{border-bottom-color:var(--ac);color:var(--tx)}
article.blog-body blockquote{margin:32px 0;padding:24px 28px;background:var(--bg2);border-left:3px solid var(--ac);border-radius:12px;font-size:17px;color:#d7dcef;line-height:1.7;font-style:italic}
article.blog-body code{padding:2px 8px;background:var(--bg3);border:1px solid var(--bd);border-radius:6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;color:#9ec4ff}
article.blog-body table{width:100%;border-collapse:collapse;margin:28px 0;font-size:15px;background:var(--bg2);border:1px solid var(--bd);border-radius:12px;overflow:hidden}
article.blog-body th{text-align:left;padding:14px 18px;background:var(--bg3);color:var(--tx);font-weight:600;font-size:14px;border-bottom:1px solid var(--bd)}
article.blog-body td{padding:14px 18px;color:#c8cde0;border-bottom:1px solid var(--bd)}
article.blog-body tr:last-child td{border-bottom:none}

/* Callout boxes (info / tip / warning) */
.callout{margin:28px 0;padding:20px 24px;border-radius:12px;border:1px solid var(--bd);display:flex;gap:16px;align-items:flex-start}
.callout.info{background:rgba(79,143,247,.06);border-color:rgba(79,143,247,.2)}
.callout.tip{background:rgba(34,211,167,.06);border-color:rgba(34,211,167,.2)}
.callout.warning{background:rgba(245,158,11,.06);border-color:rgba(245,158,11,.2)}
.callout-icon{flex-shrink:0;width:22px;height:22px;margin-top:3px}
.callout.info .callout-icon{color:var(--ac)}
.callout.tip .callout-icon{color:var(--gn)}
.callout.warning .callout-icon{color:var(--am)}
.callout-body{flex:1}
.callout-body p{margin-bottom:0 !important;font-size:15px !important;line-height:1.7 !important}

/* ─── Table of contents (sticky, desktop only) ─── */
.blog-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:48px;max-width:1100px;margin:0 auto;padding:0 24px;align-items:start}
.blog-layout > article{min-width:0}
.toc{position:sticky;top:100px;padding:20px;background:var(--bg2);border:1px solid var(--bd);border-radius:12px;max-height:calc(100vh - 140px);overflow-y:auto}
.toc-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:2px;color:var(--dm);margin-bottom:14px}
.toc ul{list-style:none;padding:0;margin:0}
.toc li{margin-bottom:8px;font-size:13px;line-height:1.5}
.toc li.h3{padding-left:14px;font-size:12.5px}
.toc a{color:var(--mt);text-decoration:none;transition:color .2s;display:block}
.toc a:hover,.toc a.active{color:var(--ac)}

/* ─── FAQ accordion ─── */
.faq-section{margin-top:72px;padding:40px;background:var(--bg2);border:1px solid var(--bd);border-radius:20px}
.faq-section h2{margin-top:0 !important}
.faq-item{border-bottom:1px solid var(--bd)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{padding:18px 0;cursor:pointer;font-size:17px;font-weight:600;color:var(--tx);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;transition:color .2s}
.faq-item summary:hover{color:var(--ac)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:24px;font-weight:400;color:var(--mt);flex-shrink:0;transition:transform .25s}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--ac)}
.faq-item .faq-answer{padding:0 0 20px 0;color:#c8cde0;line-height:1.75;font-size:16px}
.faq-item .faq-answer p{margin-bottom:12px;font-size:16px !important}
.faq-item .faq-answer p:last-child{margin-bottom:0}

/* ─── Related / CTA ─── */
.related{margin-top:56px;padding:32px;background:var(--bg2);border:1px solid var(--bd);border-radius:20px}
.related h3{font-size:15px !important;font-weight:600 !important;text-transform:uppercase;letter-spacing:1.5px;color:var(--dm) !important;margin:0 0 20px 0 !important}
.related-list{display:grid;gap:14px}
.related-list a{display:flex;align-items:center;gap:14px;padding:16px 20px;background:var(--bg3);border:1px solid var(--bd);border-radius:12px;text-decoration:none;border-bottom:1px solid var(--bd);transition:all .25s}
.related-list a:hover{border-color:var(--ac);background:var(--ag);transform:translateX(4px)}
.related-list a .arrow{margin-left:auto;color:var(--dm);transition:color .2s,transform .2s}
.related-list a:hover .arrow{color:var(--ac);transform:translateX(3px)}
.related-list .title{font-size:15px;color:var(--tx);font-weight:500}
.related-list .desc{font-size:13px;color:var(--mt);margin-top:2px}

.post-cta{margin-top:56px;padding:48px 40px;text-align:center;background:linear-gradient(135deg,rgba(79,143,247,.08),rgba(34,211,167,.04));border:1px solid rgba(79,143,247,.2);border-radius:24px}
.post-cta h3{font-size:26px !important;margin:0 0 12px 0 !important;font-weight:700 !important}
.post-cta p{font-size:16px !important;color:var(--mt) !important;margin-bottom:24px !important}

/* ─── Blog index grid ─── */
.blog-index-intro{padding-bottom:48px;border-bottom:1px solid var(--bd);margin-bottom:48px}
.blog-filters{display:flex;gap:8px;flex-wrap:wrap;padding-bottom:40px;margin-bottom:40px;border-bottom:1px solid var(--bd)}
.blog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;padding-bottom:80px}
.blog-card{display:flex;flex-direction:column;padding:28px;background:var(--bg2);border:1px solid var(--bd);border-radius:20px;text-decoration:none;transition:all .3s;position:relative;overflow:hidden}
.blog-card::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(79,143,247,.04),transparent 60%);opacity:0;transition:opacity .3s;pointer-events:none}
.blog-card:hover{border-color:rgba(79,143,247,.3);transform:translateY(-3px)}
.blog-card:hover::before{opacity:1}
.blog-card-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.blog-card-tag{font-size:11px;color:var(--ac);padding:3px 10px;background:var(--ag);border-radius:50px;font-weight:500}
.blog-card h2{font-size:22px;font-weight:700;line-height:1.3;margin-bottom:12px;color:var(--tx);letter-spacing:-.3px}
.blog-card p{font-size:15px;color:var(--mt);line-height:1.7;margin-bottom:20px;flex:1}
.blog-card-meta{display:flex;justify-content:space-between;align-items:center;padding-top:16px;border-top:1px solid var(--bd);font-size:12px;color:var(--dm)}
.blog-card-meta .read-more{color:var(--ac);font-weight:500;display:inline-flex;align-items:center;gap:6px}

/* ─── Footer (re-used from landing) ─── */
footer{padding:64px 0 40px;border-top:1px solid var(--bd);position:relative;z-index:1;margin-top:64px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand{font-size:14px;color:var(--mt);line-height:1.7;max-width:280px;margin-top:14px}
.footer-col h4{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:2px;color:var(--dm);margin-bottom:18px}
.footer-col a{display:block;font-size:14px;color:var(--mt);text-decoration:none;margin-bottom:12px;transition:color .2s}
.footer-col a:hover{color:var(--tx)}
.footer-contacts{margin-top:16px;font-size:13px;color:var(--dm);line-height:2}
.footer-contacts a{color:var(--mt);text-decoration:none}
.footer-contacts a:hover{color:var(--tx)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:32px;border-top:1px solid var(--bd);font-size:13px;color:var(--dm)}
.footer-bottom a{color:var(--dm);text-decoration:none;margin-left:20px;transition:color .2s}
.footer-bottom a:hover{color:var(--mt)}

/* Responsive */
@media(max-width:1024px){
  .blog-layout{grid-template-columns:1fr;gap:32px}
  .toc{display:none}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .nav-links{display:none}
  .hamburger{display:block}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:rgba(6,7,11,.98);backdrop-filter:blur(20px);padding:24px;border-bottom:1px solid var(--bd);gap:16px}
  .blog-hero{padding:120px 0 40px}
  .blog-grid{grid-template-columns:1fr;gap:20px}
  .faq-section{padding:28px 24px}
  .post-cta{padding:36px 24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:12px;text-align:center}
  article.blog-body p,article.blog-body li{font-size:16px}
}

/* Print / reveal animation parity */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1)}
.reveal.active{opacity:1;transform:translateY(0)}