/* Practical AI Playbook layout (uses tokens from /landing.css) */
.pb{background:#faf9f5}
.pb-progress{position:fixed;top:0;left:0;right:0;height:4px;z-index:40;background:transparent}
.pb-progress span{display:block;height:100%;width:0;background:var(--gold);box-shadow:0 0 0 1px #10233f14}
.pb-header{position:relative}
.pb-layout{max-width:1240px;margin:0 auto;padding:40px 32px 80px;display:grid;grid-template-columns:260px minmax(0,1fr);gap:56px;align-items:start}
.pb-toc{position:sticky;top:28px;max-height:calc(100vh - 56px);overflow:auto;padding-right:6px}
.pb-toc-title{font:750 12px/1.4 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.pb-toc-list,.pb-toc-list ol{list-style:none;margin:0;padding:0}
.pb-toc-list>li{margin:0 0 4px}
.pb-toc-list a{display:block;text-decoration:none;font-size:14px;line-height:1.35;padding:6px 10px;border-left:2px solid var(--line);color:var(--text-2)}
.pb-toc-list a:hover{color:var(--navy);background:#fff}
.pb-toc-list a.is-active{border-left-color:var(--gold);color:var(--navy);font-weight:650;background:#fff}
.pb-toc-list ol a{padding-left:20px;font-size:13.5px}
.pb-toc-list ol a span{font:700 12px/1 var(--mono);color:var(--gold-text);margin-right:4px}
.pb-toc-mobile{display:none}
.pb-main{min-width:0;max-width:860px}
.pb-hero{padding:8px 0 28px}
.pb-hero h1{font-size:clamp(36px,4.6vw,56px);margin-bottom:14px}
.pb-sub{font-size:18px;font-weight:600;color:var(--navy);margin-bottom:8px}
.pb-aud{font-size:17px;color:var(--text-2)}
.pb-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.pb-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 32px;box-shadow:var(--shadow);margin:0 0 22px}
.pb-card h2,.pb-section h2{font-size:28px;letter-spacing:-.02em;margin:0 0 16px}
.pb-card p,.pb-card li,.pb-card dd{color:var(--text-2)}
.pb-start{border-left:4px solid var(--gold)}
.pb-start p{margin:0;font-size:17px}
.pb-section{margin:40px 0 22px}
.pb-section-head{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.pb-section-head h2{margin:0}
.pb-toggle{min-height:40px;padding:8px 16px;font-size:14px}
.pb-wf{margin:0 0 12px;scroll-margin-top:20px}
.pb-wf details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:0}
.pb-wf summary{display:flex;gap:18px;align-items:flex-start;padding:20px 24px;cursor:pointer;list-style:none}
.pb-wf summary::-webkit-details-marker{display:none}
.pb-wf summary::after{content:"+";margin-left:auto;font-size:24px;line-height:1;color:var(--muted);padding-top:6px}
.pb-wf details[open] summary::after{content:"\2212"}
.pb-wf details[open] summary{border-bottom:1px solid var(--line)}
.pb-wf-num{flex:0 0 44px;height:44px;border-radius:50%;background:var(--navy-deep);color:var(--gold);display:flex;align-items:center;justify-content:center;font:700 14px/1 var(--mono)}
.pb-wf-titles{display:block;min-width:0}
.pb-wf h3{font-size:20px;margin:2px 0 6px}
.pb-when{display:block;font-size:15px;line-height:1.5;color:var(--text-2)}
.pb-lbl{font:700 11px/1.4 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-right:6px}
.pb-wf-body{padding:22px 24px 26px 86px;display:grid;gap:18px}
.pb-wf h4,.pb-example h4,.pb-prompt h4{font:700 12px/1.4 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 6px}
.pb-row p,.pb-row ol{margin:0;color:var(--text-2);font-size:16px}
.pb-row ol{padding-left:22px}
.pb-prompts{display:grid;gap:10px}
.pb-prompt{background:var(--panel);border-radius:8px;padding:14px 16px}
.pb-prompt p{margin:0;color:var(--navy);font-size:15.5px}
.pb-example{background:#f8f9f3;border:1px solid #d5dfd1;border-left:4px solid var(--gold);border-radius:8px;padding:14px 16px}
.pb-example p{margin:0 0 6px;font-size:15.5px;color:var(--navy)}
.pb-example p:last-child{margin:0}
.pb-two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.pb-repair{margin:0;display:grid;gap:0}
.pb-repair>div{display:grid;grid-template-columns:200px 1fr;gap:16px;padding:12px 0;border-top:1px solid var(--line)}
.pb-repair>div:first-child{border-top:0}
.pb-repair dt{font-weight:700;color:var(--navy)}
.pb-repair dd{margin:0}
.pb-plan{list-style:none;margin:0;padding:0 0 0 18px;border-left:2px solid var(--line)}
.pb-plan li{position:relative;padding:8px 0 8px 14px}
.pb-plan li::before{content:"";position:absolute;left:-25px;top:16px;width:12px;height:12px;border-radius:50%;background:var(--gold);border:2px solid #fff;box-shadow:0 0 0 1px var(--line-2)}
.pb-days{font-weight:700;color:var(--navy)}
.pb-gate,.pb-kc{margin:0 0 14px;padding-left:24px}
.pb-gate li,.pb-kc li{padding:4px 0}
.pb-gate strong{color:var(--navy)}
.pb-callout{background:var(--cream-warm);color:#5c4f2d!important;border-radius:6px;padding:12px 14px;margin:0;font-weight:600}
.pb-answers{border:1px solid var(--line);border-radius:10px;padding:0;margin-top:8px}
.pb-answers summary{cursor:pointer;padding:12px 16px}
.pb-answers summary h3{display:inline;font-size:17px;margin:0}
.pb-answers ol{margin:0;padding:0 16px 14px 40px}
.pb-fill{list-style:none;margin:0;padding:0}
.pb-fill li{padding:14px 0 10px;border-bottom:1px dashed var(--line-2);color:var(--navy);font-weight:600}
footer.aff-foot{margin:40px 0 0;padding-top:18px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
footer.aff-foot a{color:var(--navy)}
/* Phase 2: long-form doc pages (Lesson 0, Where AI fits) and new workflow content */
.doc-sec{scroll-margin-top:20px}
.doc-sec h3{font-size:20px;margin:26px 0 10px}
.doc-sec ul,.doc-sec ol{padding-left:22px;margin:0 0 16px}
.doc-sec li{margin:4px 0}
.doc-sec blockquote{margin:18px 0;padding:14px 18px;border-left:4px solid var(--gold);background:var(--cream);border-radius:0 8px 8px 0}
.doc-sec blockquote p{margin:0 0 8px;color:var(--navy)}
.doc-sec blockquote cite{display:block;font-style:normal;font-size:14px;color:var(--muted)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:6px 0 16px}
.two-col .col{border:1px solid var(--line);border-radius:10px;padding:16px 18px;background:#fbfbf8}
.two-col .col.good{border-top:4px solid #1f5138}
.two-col .col.bad{border-top:4px solid #8a3b2a}
.two-col .col ul{margin:0}
.callout-line{background:var(--cream-warm);color:#5c4f2d!important;border-radius:6px;padding:12px 14px;font-weight:600}
.checklist{list-style:none;padding-left:0!important}
.checklist li.ck{position:relative;padding-left:30px}
.checklist li.ck::before{content:"";position:absolute;left:0;top:4px;width:16px;height:16px;border:2px solid var(--line-2);border-radius:4px;background:#fff}
.prompt-block{background:var(--panel);border-radius:8px;padding:14px 16px;margin:0 0 16px;white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere;font:14.5px/1.55 var(--mono);color:var(--navy)}
.prompt-block code{font:inherit;white-space:inherit}
.ill{background:#f8f9f3;border:1px solid #d5dfd1;border-left:4px solid var(--gold);border-radius:8px;padding:12px 14px;color:var(--navy)!important}
.human-check{border-top:1px dashed var(--line-2);padding-top:12px;font-size:15px}
.doc-figure{margin:22px 0}
.doc-figure img{display:block;width:100%;height:auto;border-radius:10px;border:1px solid var(--line)}
.fig-zoom{display:block;cursor:zoom-in}
.doc-video{margin:22px 0}
.doc-video video{display:block;width:100%;height:auto;aspect-ratio:16/9;border-radius:var(--radius);background:var(--navy-deep);box-shadow:var(--shadow)}
.doc-video figcaption{font-size:14.5px;line-height:1.5;color:var(--text-2);margin-top:10px}
.doc-video figcaption strong{color:var(--navy)}
.vid-label{display:block;font:700 11px/1.4 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.vid-note{color:var(--muted)}
.pb-wf-body .doc-video{margin:0}
.pb-wf-body .doc-figure{margin:0}
.doc-figure figcaption{font-size:14px;color:var(--muted);margin-top:8px}
.next-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:12px 0 4px}
.next-card{display:flex;flex-direction:column;gap:6px;padding:16px 18px;border:1px solid var(--line);border-radius:10px;background:#fbfbf8;text-decoration:none;color:var(--navy)}
.next-card:hover{border-color:var(--accent)}
.lesson-chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:12px 0 0}
.lesson-chips li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 12px;font-size:14px;color:var(--text-2)}
.pb-main .lesson-cta{margin:28px 0 0}
.pb-main .lesson-cta .actions{display:flex;flex-wrap:wrap;gap:12px}
.pb-wf-body .doc-table,.pb-wf-body .table-wrap{margin:0}
.anchor-alias{display:block;position:relative;top:-20px;visibility:hidden}
.pb-card .answers{margin-bottom:14px}
@media(max-width:720px){
  .two-col,.next-grid{grid-template-columns:1fr}
  .doc-table thead{display:none}
  .doc-table,.doc-table tbody,.doc-table tr,.doc-table td{display:block;width:100%}
  .doc-table tr{border-top:1px solid var(--line);padding:8px 0}
  .doc-table tr:first-child{border-top:0}
  .doc-table td{border-top:0;padding:4px 14px}
  .doc-table td[data-label]::before{content:attr(data-label);display:block;font:700 11px/1.4 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
  .pb-main .lesson-cta .btn{width:100%}
}
@media(max-width:960px){
  .pb-layout{grid-template-columns:1fr;gap:0;padding:28px 20px 60px}
  .pb-toc{display:none}
  .pb-toc-mobile{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;margin:0 0 22px}
  .pb-toc-mobile>summary{padding:14px 18px;font-weight:700;cursor:pointer}
  .pb-toc-mobile nav{padding:0 12px 14px}
}
@media(max-width:720px){
  .pb-card{padding:22px 20px}
  .pb-wf summary{padding:16px 16px;gap:12px}
  .pb-wf-num{flex-basis:36px;height:36px;font-size:12px}
  .pb-wf h3{font-size:18px}
  .pb-wf-body{padding:18px 16px 20px}
  .pb-two{grid-template-columns:1fr}
  .pb-repair>div{grid-template-columns:1fr;gap:4px}
}
@media print{
  .pb-progress,.pb-header,.pb-toc,.pb-toc-mobile,.pb-actions,.pb-toggle,button,footer.aff-foot,.skip{display:none!important}
  body.pb{background:#fff;color:#000;font-size:11pt}
  .pb-layout{display:block;padding:0;max-width:none}
  .pb-main{max-width:none}
  .pb-card,.pb-wf details{box-shadow:none;border:1px solid #bbb;break-inside:avoid}
  .pb-wf{break-inside:avoid}
  .pb-wf summary::after,.pb-wf details[open] summary::after{content:none}
  .pb-prompt,.pb-example{background:#fff;border:1px solid #ccc}
  .pb-wf-body{padding:14px 16px}
  a{text-decoration:none}
  .vslot,.lesson-cta{display:none!important}
  .doc-figure{break-inside:avoid}
  .doc-video video{display:none}
  .doc-table{display:table!important}
}

/* SITE-TRIM 2026-10-04: Lesson 0 PDF button + v1 note; playbook preview contents */
.pdf-download{margin:2px 0 20px}
.pdf-download .btn{white-space:normal}
.pdf-note{margin:8px 0 0;font-size:14px;line-height:1.45;color:var(--muted)}
.video-note{margin:-8px 0 22px;padding:9px 13px;font-size:14px;line-height:1.5;color:var(--text-2);background:var(--panel);border-left:3px solid var(--gold);border-radius:0 8px 8px 0}
.pb-clist{list-style:none;margin:8px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px 16px}
.pb-clist li{margin:0;padding:10px 12px;display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:10px;background:#fbfcfd;font-size:15px;line-height:1.35;color:var(--navy);scroll-margin-top:20px}
.pb-clist li>a{display:flex;align-items:center;gap:10px;width:100%;text-decoration:none;color:var(--navy)}
.pb-clist li:first-child{border-color:var(--gold);background:#fffaf0}
.pb-cnum{flex:none;font:700 12px/1 var(--mono);color:var(--gold-text)}
.pb-ctitle{flex:1;font-weight:600}
.pb-tag{flex:none;padding:4px 8px;border-radius:999px;font:700 10.5px/1.2 var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--muted);background:var(--panel)}
.pb-tag-free{color:var(--navy);background:var(--gold)}
.pb-more .in-bootcamp{margin:10px 0 0}
.pb-more h2{margin-bottom:6px}
@media (max-width:700px){.pb-clist{grid-template-columns:1fr}.pb-clist li{font-size:14.5px}}
@media print{.pdf-download{display:none}}