@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
.au{animation:fadeUp .55s var(--ease) both}
.d1{animation-delay:.08s}.d2{animation-delay:.16s}.d3{animation-delay:.24s}

.rev{opacity:0;transform:translateY(28px);transition:opacity .65s var(--ease),transform .65s var(--ease)}
.revd{opacity:1!important;transform:none!important}


/* HERO BANNER */
.post-hero{margin-top:68px;background:var(--ink);padding:64px 0 0;position:relative;overflow:hidden}
.post-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 60% 0%,rgba(0,102,153,.35) 0%,transparent 65%)}
.post-hero-inner{position:relative;z-index:1;max-width:90%;margin:0 auto;padding:0 32px}
.post-crumbs{display:flex;align-items:center;gap:6px;font-size:12.5px;color:rgba(255,255,255,.45);margin-bottom:18px}
.post-crumbs a{color:rgba(255,255,255,.55);transition:color .15s}
.post-crumbs a:hover{color:#fff}
.post-crumbs i{font-size:12px}
.post-cats{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.post-cat{display:inline-flex;align-items:center;gap:5px;padding:4px 12px;border-radius:var(--rf);font-size:11.5px;font-weight:800;text-transform:uppercase;letter-spacing:.8px;background:rgba(0,187,238,.15);color:var(--ac);border:1px solid rgba(0,187,238,.28)}
.post-h1{font-family:'DM Serif Display',serif;font-size:clamp(28px,4.5vw,52px);line-height:1.15;color:#fff;margin-bottom:20px;letter-spacing:-.5px}
.post-h1 em{color:var(--ac);font-style:italic}
.post-meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:20px;padding:20px 0;border-top:1px solid rgba(255,255,255,.1)}
.post-author{display:flex;align-items:center;gap:10px}
.post-av{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--p),var(--ac));display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:900;color:#fff;flex-shrink:0}
.post-av-name{font-size:13.5px;font-weight:700;color:rgba(255,255,255,.9)}
.post-av-role{font-size:11.5px;color:rgba(255,255,255,.4)}
.post-meta-items{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-left:auto}
.post-meta-item{display:flex;align-items:center;gap:6px;font-size:12.5px;color:rgba(255,255,255,.45)}
.post-meta-item i{font-size:14px;color:rgba(255,255,255,.55)}

/* Hero cover image area */
.post-cover{height:220px;background:linear-gradient(135deg,rgba(0,102,153,.4),rgba(0,187,238,.2));display:flex;align-items:center;justify-content:center;margin:0 -32px}
.post-cover i{font-size:80px;color:rgba(255,255,255,.2)}

@media(max-width:768px){.post-hero-inner{padding:0 20px}.post-cover{margin:0 -20px}}

/* CONTENT LAYOUT */
.post-layout{max-width:90%;margin:0 auto;padding:60px 32px;display:grid;grid-template-columns:1fr 320px;gap:60px;align-items:start}
@media(max-width:1024px){.post-layout{grid-template-columns:1fr;gap:40px}}
@media(max-width:768px){.post-layout{padding:40px 20px}}

/* Article body */
.post-body{max-width:100%}
/* reading progress */
.read-progress{position:fixed;top:68px;left:0;right:0;height:3px;background:var(--pl);z-index:800}
.read-bar{height:100%;background:linear-gradient(90deg,var(--p),var(--ac));width:0%;transition:width .1s}

/* Typography */
.prose h2{font-family:'DM Serif Display',serif;font-size:28px;color:var(--ink);margin:44px 0 14px;letter-spacing:-.3px;line-height:1.3}
.prose h3{font-size:19px;font-weight:800;color:var(--ink);margin:32px 0 12px}
.prose p{font-size:16.5px;color:var(--ink2);line-height:1.82;margin-bottom:20px}
.prose ul,.prose ol{margin:0 0 20px 20px;display:flex;flex-direction:column;gap:8px}
.prose li{font-size:16px;color:var(--ink2);line-height:1.7}
.prose ul li::marker{color:var(--p)}
.prose strong{color:var(--ink);font-weight:700}
.prose a{color:var(--p);font-weight:600;text-decoration:underline;text-decoration-color:rgba(0,102,153,.3);text-underline-offset:3px}
.prose a:hover{text-decoration-color:var(--p)}
.prose blockquote{margin:28px 0;padding:20px 24px;border-left:4px solid var(--p);background:var(--s3);border-radius:0 var(--rl) var(--rl) 0}
.prose blockquote p{font-size:17px;font-style:italic;color:var(--ink2);margin-bottom:8px}
.prose blockquote cite{font-size:13px;font-weight:700;color:var(--p);font-style:normal}
.prose pre{background:var(--ink);border-radius:var(--rl);padding:20px 22px;margin:20px 0;overflow-x:auto}
.prose code{font-family:'DM Mono',monospace;font-size:13.5px;color:#a8d8f0;line-height:1.7}
.prose :not(pre)>code{background:var(--s3);color:var(--p);padding:2px 7px;border-radius:5px;font-size:13.5px;font-family:'DM Mono',monospace}
.prose hr{border:none;border-top:1px solid var(--bd);margin:36px 0}
.prose img{border-radius:var(--rl);border:1px solid var(--bd);margin:24px 0}

/* Feature highlight grid */
.fh-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}
.fh-card{background:var(--s2);border:1px solid var(--bd);border-radius:var(--rl);padding:18px;transition:all .2s var(--ease)}
.fh-card:hover{border-color:var(--pm);box-shadow:var(--sh);transform:translateY(-3px)}
.fh-icon{width:40px;height:40px;border-radius:var(--r);background:var(--pl);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.fh-icon i{font-size:21px;color:var(--p)}
.fh-title{font-size:14px;font-weight:800;color:var(--ink);margin-bottom:5px}
.fh-desc{font-size:13px;color:var(--ink3);line-height:1.6}
@media(max-width:600px){.fh-grid{grid-template-columns:1fr}}

/* Version badge */
.version-pill{display:inline-flex;align-items:center;gap:7px;background:linear-gradient(135deg,var(--p),var(--ac));border-radius:var(--rf);padding:6px 16px;font-size:13px;font-weight:800;color:#fff;margin-bottom:8px}
.version-pill i{font-size:15px}

/* SIDEBAR */
.sidebar{display:flex;flex-direction:column;gap:20px}
.sidebar-card{background:#fff;border:1px solid var(--bd);border-radius:var(--rxl);padding:22px;box-shadow:var(--sh)}
.sc-title{font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:1.2px;color:var(--ink4);margin-bottom:16px;display:flex;align-items:center;gap:7px}
.sc-title i{font-size:15px;color:var(--p)}

/* TOC */
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-item{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:var(--r);font-size:13.5px;color:var(--ink2);text-decoration:none;transition:all .15s;border-left:2px solid transparent}
.toc-item:hover{background:var(--s2);color:var(--p)}
.toc-item.active{background:var(--pl);color:var(--p);border-left-color:var(--p);font-weight:600}
.toc-item i{font-size:14px;flex-shrink:0}

/* Related posts */
.related-post{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--bd);text-decoration:none;transition:all .15s}
.related-post:last-child{border-bottom:none;padding-bottom:0}
.related-post:hover .rp-title{color:var(--p)}
.rp-thumb{width:60px;height:60px;border-radius:var(--r);flex-shrink:0;display:flex;align-items:center;justify-content:center}
.rp-title{font-size:13px;font-weight:700;color:var(--ink);line-height:1.4;margin-bottom:4px;transition:color .15s}
.rp-meta{font-size:11.5px;color:var(--ink4)}

/* Share */
.share-btns{display:flex;gap:8px;flex-wrap:wrap}
.share-btn{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--r);font-size:12.5px;font-weight:700;border:1px solid var(--bd);background:var(--s2);color:var(--ink2);cursor:pointer;transition:all .15s;text-decoration:none}
.share-btn:hover{border-color:var(--pm);background:var(--pl);color:var(--p)}
.share-btn i{font-size:16px}

/* Newsletter inline */
.nl-box{background:linear-gradient(135deg,var(--p),#0099cc);border-radius:var(--rxl);padding:28px;color:#fff;margin:40px 0}
.nl-box h3{font-size:20px;font-weight:900;margin-bottom:8px}
.nl-box p{font-size:14px;color:rgba(255,255,255,.75);margin-bottom:18px;line-height:1.6}
.nl-form{display:flex;gap:8px}
.nl-input{flex:1;padding:10px 14px;border-radius:var(--r);border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.15);color:#fff;font-family:inherit;font-size:13.5px;font-weight:500}
.nl-input::placeholder{color:rgba(255,255,255,.55)}
.nl-input:focus{outline:none;border-color:rgba(255,255,255,.6);background:rgba(255,255,255,.2)}

/* Author card */
.author-card{display:flex;gap:18px;align-items:flex-start;padding:28px;background:var(--s2);border:1px solid var(--bd);border-radius:var(--rxl);margin:48px 0}
.author-av{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--p),var(--ac));display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:900;color:#fff;flex-shrink:0}
.author-name{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:3px}
.author-role{font-size:12.5px;color:var(--p);font-weight:700;margin-bottom:8px}
.author-bio{font-size:14px;color:var(--ink3);line-height:1.7}

/* Tags */
.tag-row{display:flex;flex-wrap:wrap;gap:7px;margin:28px 0}
.tag{display:inline-flex;align-items:center;gap:4px;padding:5px 12px;border-radius:var(--rf);font-size:12.5px;font-weight:700;background:var(--s2);color:var(--ink2);border:1px solid var(--bd);text-decoration:none;transition:all .15s}
.tag:hover{background:var(--pl);border-color:var(--pm);color:var(--p)}

/* Nav prev/next */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:48px}
.pnav-card{padding:20px;border:1.5px solid var(--bd);border-radius:var(--rxl);text-decoration:none;transition:all .25s var(--ease);display:flex;flex-direction:column;gap:6px}
.pnav-card:hover{border-color:var(--pm);box-shadow:var(--shm);transform:translateY(-3px)}
.pnav-dir{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:1px;color:var(--p);display:flex;align-items:center;gap:5px}
.pnav-title{font-size:14.5px;font-weight:700;color:var(--ink);line-height:1.4}
.pnav-card.next{text-align:right}
@media(max-width:600px){.post-nav{grid-template-columns:1fr}}