/* PERFOZI — page-blog-post.css — Blog post detail — reading progress, TOC, checklist, code blocks, author bio */

/* ── BLOG POST ── */
.read-progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--cyan),rgba(0,212,255,.4));z-index:1001;transition:width .1s linear;width:0%}
.post-hero{padding:108px 5% 60px;background:var(--black);position:relative;overflow:hidden;border-bottom:1px solid var(--br)}
.post-hero::after{content:'';position:absolute;top:-100px;right:-100px;width:600px;height:600px;border-radius:50%;background:radial-gradient(ellipse,rgba(0,212,255,.05) 0%,transparent 65%);pointer-events:none}
.post-hero-inner{position:relative;z-index:1;max-width:860px;margin:0 auto}
.ph-bc{display:flex;align-items:center;gap:8px;font-family:var(--fb);font-size:14px;color:var(--t3);margin-bottom:28px}
.ph-bc a{color:var(--t3)}.ph-bc a:hover{color:var(--cyan)}.ph-bc span{color:var(--t4)}
.ph-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.ph-cat{font-family:var(--fb);font-size:14px;font-weight:700;color:var(--black);background:var(--cyan);border-radius:100px;padding:4px 13px;letter-spacing:1px;text-transform:uppercase}
.ph-date,.ph-read{font-family:var(--fb);font-size:14px;color:var(--t3);display:flex;align-items:center;gap:5px}
.ph-h1{font-family:var(--fh);font-size:clamp(32px,4.5vw,58px);font-weight:800;letter-spacing:-2px;line-height:.95;margin-bottom:24px}
.ph-excerpt{font-family:var(--fb);font-size:18px;color:var(--t1);line-height:1.75;margin-bottom:36px;max-width:720px}
.ph-author-row{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;background:var(--s2);border:1px solid var(--br);border-radius:14px;flex-wrap:wrap;gap:16px}
.ph-author{display:flex;align-items:center;gap:14px}
.ph-av{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-family:var(--fh);font-size:17px;font-weight:800;color:var(--black);background:var(--cyan);flex-shrink:0}
.ph-auth-name{font-family:var(--fh);font-size:15px;font-weight:800;margin-bottom:2px}
.ph-auth-role{font-family:var(--fb);font-size:14px;color:var(--t2)}
.ph-share{display:flex;align-items:center;gap:8px}
.ph-share-label{font-family:var(--fb);font-size:14px;color:var(--t3);letter-spacing:.5px}
.shr-btn{width:34px;height:34px;border-radius:9px;background:var(--s3);border:1px solid var(--br);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}
.shr-btn:hover{border-color:var(--cyan);background:var(--ca)}
/* Cover */
.post-cover{max-width:860px;margin:0 auto;padding:40px 5% 0}
.cover-img{width:100%;aspect-ratio:16/7;border-radius:20px;overflow:hidden;display:flex;align-items:center;justify-content:center;position:relative}
.cover-bg{position:absolute;inset:0;font-family:var(--fh);font-size:200px;font-weight:800;color:rgba(255,255,255,.025);display:flex;align-items:center;justify-content:center;letter-spacing:-8px;user-select:none;line-height:1}
.cover-text{position:relative;z-index:1;text-align:center;padding:32px}
.cover-label{font-family:var(--fb);font-size:14px;color:var(--cyan);letter-spacing:2px;text-transform:uppercase;margin-bottom:14px}
.cover-title{font-family:var(--fh);font-size:clamp(28px,4vw,54px);font-weight:800;letter-spacing:-2px;line-height:1;color:var(--white)}
.cover-title em{color:var(--cyan);font-style:normal}
/* Article */
.article-wrap{padding:56px 5% 96px}
.article-layout{display:grid;grid-template-columns:240px 1fr;gap:60px;align-items:start;max-width:1200px;margin:0 auto}
/* TOC */
.toc{position:sticky;top:84px}
.toc-title{font-family:var(--fh);font-size:14px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--t3);margin-bottom:16px}
.toc-list{list-style:none;display:flex;flex-direction:column;gap:2px}
.toc-item a{font-family:var(--fb);font-size:14px;color:var(--t3);text-decoration:none;padding:7px 12px;border-left:2px solid var(--br);display:block;transition:all .2s;line-height:1.4}
.toc-item a:hover,.toc-item.active a{color:var(--cyan);border-left-color:var(--cyan);background:var(--ca)}
.toc-item.sub a{padding-left:22px;font-size:14px}
.toc-divider{height:1px;background:var(--br);margin:12px 0}
.toc-cta{margin-top:20px;padding:16px;background:var(--s2);border:1px solid var(--br2);border-radius:12px;text-align:center}
.toc-cta-title{font-family:var(--fh);font-size:14px;font-weight:800;margin-bottom:6px}
.toc-cta-sub{font-family:var(--fb);font-size:14px;color:var(--t2);margin-bottom:12px;line-height:1.5}
.toc-cta-btn{display:block;font-family:var(--fh);font-size:14px;font-weight:800;text-transform:uppercase;letter-spacing:.8px;background:var(--cyan);color:var(--black);border-radius:8px;padding:10px;text-decoration:none;transition:opacity .2s}
.toc-cta-btn:hover{opacity:.85}
/* Article body */
.article-body{max-width:800px;overflow-wrap:break-word;word-break:break-word;min-width:0}
.article-body img{max-width:100%;height:auto;border-radius:8px;display:block}
.article-body table{width:100%;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;border-collapse:collapse}
.article-body table td,.article-body table th{padding:10px 14px;border:1px solid var(--br);font-family:var(--fb);font-size:14px;color:var(--t1)}
.article-body h2{font-family:var(--fh);font-size:clamp(22px,2.5vw,32px);font-weight:800;letter-spacing:-.8px;line-height:1.1;margin:52px 0 18px}
.article-body h3{font-family:var(--fh);font-size:clamp(18px,1.8vw,22px);font-weight:800;letter-spacing:-.4px;line-height:1.2;margin:36px 0 14px}
.article-body p{font-family:var(--fb);font-size:var(--body-size);color:var(--t1);line-height:var(--body-line);margin-bottom:22px}
.article-body strong{color:var(--white);font-weight:600}
.article-body em{color:var(--cyan);font-style:normal}
.article-body a{color:var(--cyan);text-decoration:underline;text-decoration-color:rgba(0,212,255,.3)}
.article-body ul,.article-body ol{margin:0 0 22px 20px;display:flex;flex-direction:column;gap:10px}
.article-body li{font-family:var(--fb);font-size:var(--body-size);color:var(--t1);line-height:var(--body-line)}
.article-body ul li::marker{color:var(--cyan)}
/* Callouts */
.callout{border-radius:12px;padding:24px 26px;margin:28px 0;border-left:3px solid}
.callout.info{background:var(--ca);border-color:var(--cyan)}
.callout.warn{background:rgba(255,165,0,.07);border-color:#FFA500}
.callout.tip{background:rgba(0,229,122,.07);border-color:var(--green)}
.callout-label{font-family:var(--fh);font-size:14px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:8px}
.callout.info .callout-label{color:var(--cyan)}
.callout.warn .callout-label{color:#FFA500}
.callout.tip .callout-label{color:var(--green)}
.callout p{font-family:var(--fb);font-size:15px;color:var(--t1);line-height:1.75;margin:0}
/* Interactive checklist */
.checklist{background:var(--s2);border:1px solid var(--br);border-radius:14px;overflow:hidden;margin:28px 0}
.cl-header{padding:18px 22px;border-bottom:1px solid var(--br);display:flex;align-items:center;justify-content:space-between}
.cl-title{font-family:var(--fh);font-size:15px;font-weight:800}
.cl-progress{font-family:var(--fb);font-size:14px;color:var(--cyan)}
.cl-item{display:flex;align-items:flex-start;gap:14px;padding:14px 22px;border-bottom:1px solid var(--br);cursor:pointer;transition:background .2s}
.cl-item:last-child{border-bottom:none}
.cl-item:hover{background:var(--s3)}
.cl-item.checked{background:rgba(0,212,255,.03)}
.cl-box{width:20px;height:20px;border-radius:6px;border:2px solid var(--br);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .25s;margin-top:2px}
.cl-item.checked .cl-box{background:var(--cyan);border-color:var(--cyan)}
.cl-item.checked .cl-box::after{content:'✓';font-size:14px;font-weight:800;color:var(--black)}
.cl-text{flex:1}
.cl-item-title{font-family:var(--fh);font-size:14px;font-weight:800;margin-bottom:3px;transition:color .2s}
.cl-item.checked .cl-item-title{color:var(--t3);text-decoration:line-through}
.cl-item-desc{font-family:var(--fb);font-size:14px;color:var(--t3);line-height:1.5}
.cl-impact{font-family:var(--fb);font-size:14px;font-weight:700;border-radius:100px;padding:2px 9px;flex-shrink:0;margin-top:3px;letter-spacing:.5px;text-transform:uppercase}
.impact-high{background:rgba(0,229,122,.12);color:var(--green);border:1px solid rgba(0,229,122,.25)}
.impact-med{background:var(--ca);color:var(--cyan);border:1px solid var(--cb)}
.impact-low{background:var(--s3);color:var(--t3);border:1px solid var(--br)}
/* Stat callout */
.stat-callout{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--br);border-radius:14px;overflow:hidden;margin:28px 0}
.sc-item{background:var(--s2);padding:24px 20px;text-align:center}
.sc-num{font-family:var(--fh);font-size:36px;font-weight:800;letter-spacing:-1.5px;line-height:1}
.sc-num em{color:var(--cyan);font-style:normal}
.sc-lbl{font-family:var(--fb);font-size:14px;color:var(--t2);margin-top:6px;line-height:1.4}
/* Code block */
.code-block{background:var(--s2);border:1px solid var(--br);border-radius:12px;overflow-x:auto;margin:24px 0}
.cb-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--br)}
.cb-lang{font-family:var(--fb);font-size:14px;color:var(--cyan);letter-spacing:1px;text-transform:uppercase;font-weight:700}
.cb-copy{font-family:var(--fb);font-size:14px;color:var(--t3);cursor:pointer;transition:color .2s}
.cb-copy:hover{color:var(--cyan)}
.cb-code{padding:20px;font-family:'Courier New',monospace;font-size:14px;color:var(--t1);line-height:1.7;overflow-x:auto;white-space:pre}
/* Pull quote */
.pull-quote{border-left:3px solid var(--cyan);padding:20px 28px;margin:32px 0;background:var(--ca);border-radius:0 12px 12px 0}
.pq-text{font-family:var(--fh);font-size:clamp(18px,2vw,24px);font-weight:800;letter-spacing:-.5px;line-height:1.25;margin-bottom:12px}
.pq-attr{font-family:var(--fb);font-size:14px;color:var(--t2)}
/* Inline CTA */
.inline-cta{background:linear-gradient(135deg,var(--s2) 0%,rgba(0,212,255,.05) 100%);border:1px solid var(--br2);border-radius:16px;padding:32px;margin:40px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.ic-left h3{font-family:var(--fh);font-size:20px;font-weight:800;letter-spacing:-.4px;margin-bottom:6px}
.ic-left p{font-family:var(--fb);font-size:14px;color:var(--t2);line-height:1.6}
.ic-btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--fh);font-size:14px;font-weight:800;text-transform:uppercase;letter-spacing:.8px;background:var(--cyan);color:var(--black);border:none;border-radius:8px;padding:14px 24px;cursor:pointer;transition:all .3s;text-decoration:none;white-space:nowrap}
.ic-btn:hover{opacity:.85;transform:translateY(-2px)}
/* Post tags */
.post-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:40px;padding-top:32px;border-top:1px solid var(--br)}
.post-tag{font-family:var(--fb);font-size:14px;color:var(--t2);background:var(--s2);border:1px solid var(--br);border-radius:100px;padding:5px 13px;transition:all .2s}
.post-tag:hover{border-color:var(--cyan);color:var(--cyan)}
/* Author bio */
.author-bio{background:var(--s2);border:1px solid var(--br);border-radius:16px;padding:28px;margin-top:48px;display:flex;gap:20px;align-items:flex-start}
.ab-av{width:64px;height:64px;border-radius:16px;background:var(--cyan);display:flex;align-items:center;justify-content:center;font-family:var(--fh);font-size:22px;font-weight:800;color:var(--black);flex-shrink:0}
.ab-name{font-family:var(--fh);font-size:17px;font-weight:800;margin-bottom:2px}
.ab-role{font-family:var(--fb);font-size:14px;color:var(--cyan);font-weight:600;letter-spacing:.5px;text-transform:uppercase;margin-bottom:10px}
.ab-bio{font-family:var(--fb);font-size:14px;color:var(--t1);line-height:1.7;margin-bottom:12px}
.ab-links{display:flex;gap:8px}
.ab-link{font-family:var(--fh);font-size:14px;font-weight:800;text-transform:uppercase;letter-spacing:.8px;color:var(--cyan);background:var(--ca);border:1px solid var(--cb);border-radius:8px;padding:7px 14px;text-decoration:none;transition:all .2s}
.ab-link:hover{background:var(--cyan);color:var(--black)}
/* Related posts */
.related-posts{background:var(--s1);border-top:1px solid var(--br);padding:72px 5%}
.rp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}
.rp-card{background:var(--s2);border:1px solid var(--br);border-radius:14px;overflow:hidden;text-decoration:none;color:var(--white);transition:border-color .35s,transform .35s cubic-bezier(.16,1,.3,1)}
.rp-card:hover{border-color:var(--br2);transform:translateY(-5px)}
.rp-img{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;font-family:var(--fh);font-size:32px;font-weight:800;letter-spacing:-1px;color:rgba(255,255,255,.06);position:relative}
.rp-cat{position:absolute;top:12px;left:12px;font-family:var(--fb);font-size:14px;font-weight:700;color:var(--black);background:var(--cyan);border-radius:100px;padding:3px 10px;letter-spacing:1px;text-transform:uppercase}
.rp-body{padding:18px}
.rp-date{font-family:var(--fb);font-size:14px;color:var(--t3);letter-spacing:1px;text-transform:uppercase;margin-bottom:8px}
.rp-title{font-family:var(--fh);font-size:15px;font-weight:800;letter-spacing:-.2px;line-height:1.25;margin-bottom:10px}
.rp-read{font-family:var(--fh);font-size:14px;font-weight:800;color:var(--cyan);display:flex;align-items:center;gap:4px;transition:gap .2s}
.rp-card:hover .rp-read{gap:7px}
@media(max-width:1000px){
  .article-layout{grid-template-columns:1fr}
  .toc{position:static;display:none}
}
@media(max-width:900px){
  .rp-grid{grid-template-columns:1fr 1fr}
  .stat-callout{grid-template-columns:1fr}
  .inline-cta{flex-direction:column}
  .author-bio{flex-direction:column}
  .post-hero{padding:80px 5% 40px}
  .article-wrap{padding:40px 5% 60px}
  .ph-h1,.cover-title,.article-body h2,.article-body h3,.pq-text,.ic-left h3,.rp-title,.sc-num{letter-spacing:0}
}
@media(max-width:600px){
  .rp-grid{grid-template-columns:1fr}
  .post-hero{padding:60px 5% 28px}
  .ph-h1{letter-spacing:0}
  .ph-excerpt{font-size:15px}
  .ph-author-row{flex-direction:column;align-items:flex-start}
  .article-wrap{padding:28px 5% 48px}
  .cover-title{letter-spacing:0}
  .cb-code{font-size:14px}
  .inline-cta{padding:22px}
  .stat-callout{grid-template-columns:1fr}
  .checklist,.callout,.pull-quote{margin:18px 0}
  .author-bio{padding:20px;gap:14px}
  .related-posts{padding:48px 5%}
}