/* ============================================================
   B2B Observer — single article (interview pillar + cluster).
   Extends landing.css tokens/chrome. Editorial reading column.
   ============================================================ */

.b2bo .article{padding:0 0 24px;}
.b2bo .article .col{max-width:748px; margin:0 auto;
  padding-left:max(var(--gutter), env(safe-area-inset-left));
  padding-right:max(var(--gutter), env(safe-area-inset-right));}

/* ---- Article header ---- */
.b2bo .article-head{padding-top:68px; margin-bottom:30px;}
.b2bo .article-head .kicker{margin-bottom:20px;}
.b2bo .article-head h1{font-size:clamp(33px,4.9vw,52px); line-height:1.08; letter-spacing:-0.02em; margin-bottom:22px; text-wrap:balance;}
.b2bo .article-head .standfirst{font-family:var(--display); font-weight:400; font-size:clamp(19px,2.3vw,24px); line-height:1.42; color:var(--dim); margin-bottom:0; max-width:40ch;}
.b2bo .article-byline{font-family:var(--body); font-size:13px; color:var(--dim); letter-spacing:.02em; margin-top:26px; padding-top:18px; border-top:1px solid var(--rule);}
.b2bo .article-byline .sep{margin:0 9px; color:var(--rule);}
.b2bo .article-byline strong{color:var(--fg); font-weight:600;}

/* ---- Video ---- */
.b2bo .article-video{max-width:912px; margin:2px auto 40px;
  padding-left:max(var(--gutter), env(safe-area-inset-left));
  padding-right:max(var(--gutter), env(safe-area-inset-right));}
.b2bo .video-frame{position:relative; aspect-ratio:16/9; background:#0B0B0B; border:1px solid var(--rule);}
.b2bo .video-frame iframe{position:absolute; inset:0; width:100%; height:100%; border:0; display:block;}
:root[data-theme="dark"] .b2bo .video-frame{border-color:var(--rule);}

/* ---- Body prose ---- */
.b2bo .article-body{font-size:17.5px; line-height:1.72;}
.b2bo .article-body p{margin:0 0 22px; color:var(--fg);}
.b2bo .article-body h2{font-family:var(--display); font-weight:600; font-size:clamp(23px,2.9vw,30px); line-height:1.2; letter-spacing:-0.01em; margin:46px 0 16px; font-variation-settings:'opsz' 40;}
.b2bo .article-body h3{font-family:var(--display); font-weight:600; font-size:21px; line-height:1.3; margin:32px 0 12px;}
.b2bo .article-body ul{margin:0 0 24px; padding:0; list-style:none;}
.b2bo .article-body ul li{position:relative; padding-left:22px; margin-bottom:11px; color:var(--fg);}
.b2bo .article-body ul li::before{content:''; position:absolute; left:0; top:13px; width:9px; height:1.5px; background:var(--accent);}
.b2bo .article-body a{color:var(--accent-text); text-decoration:underline; text-underline-offset:2px; text-decoration-thickness:1px;}
.b2bo .article-body strong{font-weight:600; color:var(--fg);}
.b2bo .article-body em{font-style:italic;}

/* ---- Key takeaways ---- */
.b2bo .takeaways{border-top:2px solid var(--fg); border-bottom:1px solid var(--rule); padding:22px 0 10px; margin:0 0 36px;}
.b2bo .takeaways .kicker{margin-bottom:16px;}
.b2bo .takeaways ul{margin:0; padding:0; list-style:none;}
.b2bo .takeaways li{position:relative; padding-left:22px; margin-bottom:12px; font-size:16.5px; line-height:1.5; color:var(--fg);}
.b2bo .takeaways li::before{content:''; position:absolute; left:0; top:12px; width:9px; height:1.5px; background:var(--accent);}

/* ---- Pull quote (red mark, breaks the measure) ---- */
.b2bo .pullquote{margin:44px 0; padding:0;}
.b2bo .pullquote::before{content:'\201C'; display:block; font-family:var(--display); font-weight:600; color:var(--accent-text); font-size:58px; line-height:0.7; margin-bottom:8px;}
.b2bo .pullquote p{font-family:var(--display); font-weight:600; font-size:clamp(23px,3vw,31px); line-height:1.26; letter-spacing:-0.01em; color:var(--fg); margin:0; max-width:none;}
.b2bo .pullquote cite{display:block; font-family:var(--body); font-style:normal; font-weight:600; font-size:12px; letter-spacing:.1em; text-transform:uppercase; color:var(--dim); margin-top:16px;}

/* ---- Nameplate (machine rating plate) ---- */
.b2bo .nameplate{border:1px solid var(--fg); margin:46px 0 8px;}
.b2bo .nameplate .np-title{font-family:var(--body); font-weight:600; font-size:10.5px; letter-spacing:.18em; text-transform:uppercase; color:var(--ground); background:var(--fg); padding:10px 18px;}
.b2bo .nameplate .np-body{padding:4px 18px 12px;}
.b2bo .np-row{display:grid; grid-template-columns:132px 1fr; gap:14px; padding:12px 0; border-bottom:1px solid var(--rule); font-size:14.5px;}
.b2bo .np-row:last-child{border-bottom:0;}
.b2bo .np-k{font-family:var(--body); font-weight:600; font-size:10.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--dim); padding-top:3px;}
.b2bo .np-v{color:var(--fg); line-height:1.45;}

/* ---- FAQ heading wrapper (reuses .faq-item from landing.css) ---- */
.b2bo .article-faq{margin-top:48px; padding-top:8px;}
.b2bo .article-faq h2{font-family:var(--display); font-weight:600; font-size:clamp(23px,2.9vw,30px); line-height:1.2; letter-spacing:-0.01em; margin-bottom:8px;}
.b2bo .article-faq .faq-wrap{max-width:none; margin-top:12px;}

/* ---- Series / cluster note ---- */
.b2bo .series-note{border-top:1px solid var(--rule); margin-top:44px; padding-top:26px;}
.b2bo .series-note .kicker{margin-bottom:14px;}
.b2bo .series-note p{color:var(--dim); font-size:16px; line-height:1.66; margin:0;}
.b2bo .series-note a{color:var(--accent-text); text-decoration:underline; text-underline-offset:2px;}

/* ---- End note (about) ---- */
.b2bo .article-about{border-top:1px solid var(--rule); margin-top:34px; padding-top:24px;}
.b2bo .article-about h4{font-family:var(--body); font-weight:600; font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--dim); margin-bottom:12px;}
.b2bo .article-about p{color:var(--dim); font-size:15px; line-height:1.62; margin:0;}

/* ---- Related: more from this sector ---- */
.b2bo .article-related{padding:64px 0 8px; margin-top:48px; border-top:1px solid var(--rule);}
.b2bo .article-related .section-head{margin-bottom:36px;}
.b2bo .article-related .card h3{font-size:20px;}

@media (max-width:640px){
  .b2bo .article-head{padding-top:48px;}
  .b2bo .np-row{grid-template-columns:1fr; gap:2px;}
  .b2bo .np-k{padding-top:0;}
}