/* ==========================================================================
   thesoftwarelens.com — base layer
   Variables and primitives the Lens article styles expect, plus the site's
   own header and footer. The article typography itself is the inline
   #lens-style block the builder writes into every page.
   ========================================================================== */
:root{
  --atx-brand:#104cba;--atx-brand-dk:#0b3688;--atx-brand-md:#2058bf;
  --atx-brand-lt:#e8effc;--atx-brand-lt2:#f2f6fd;
  --atx-ink:#0f1b2d;--atx-ink-2:#243449;--atx-body:#4a5a70;--atx-mute:#7c8ca3;
  --atx-line:#e2e8f2;--atx-line-2:#cddbf1;--atx-surface:#f6f8fc;--atx-white:#fff;
  --atx-radius:14px;
  --atx-shadow:0 1px 2px rgba(15,27,45,.04),0 8px 24px -12px rgba(15,27,45,.16);
  --atx-shadow-lg:0 2px 4px rgba(15,27,45,.04),0 24px 60px -24px rgba(15,27,45,.24);
  --tsl-navy:#0b1526;--tsl-navy-2:#121f33;--tsl-teal:#2fc4a8;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--atx-body);
  font-family:"Rubik",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.6}
h1,h2,h3,h4{font-family:"Nunito",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
img{max-width:100%;height:auto}
a{color:var(--atx-brand)}
main{display:block;min-height:60vh}

/* header */
.tsl-wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.tsl-head{background:var(--tsl-navy);color:#fff;position:sticky;top:0;z-index:50;
  box-shadow:0 1px 0 rgba(255,255,255,.06)}
.tsl-head .tsl-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:64px}
.tsl-brand{display:flex;align-items:baseline;gap:8px;text-decoration:none;color:#fff;
  font-family:"Nunito",sans-serif;line-height:1}
.tsl-the{font-size:13px;color:rgba(255,255,255,.7);font-weight:600}
.tsl-name{font-size:22px;font-weight:800;letter-spacing:-.01em;
  border-bottom:3px solid var(--tsl-teal);padding-bottom:3px}
.tsl-tag{font-size:12px;color:rgba(255,255,255,.6);margin-left:6px;font-family:"Rubik",sans-serif}
.tsl-nav{display:flex;gap:4px}
.tsl-nav a{color:rgba(255,255,255,.85);text-decoration:none;font-size:14px;font-weight:500;
  padding:8px 12px;border-radius:8px}
.tsl-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.tsl-nav a.tsl-yt{color:var(--tsl-teal)}
main .lens{padding-top:36px;padding-bottom:40px}

/* footer */
.tsl-foot{background:var(--tsl-navy);color:rgba(255,255,255,.78);padding:36px 0 28px;margin-top:40px;font-size:14px}
.tsl-foot p{margin:0 0 10px;max-width:720px}
.tsl-foot b{color:#fff}
.tsl-foot a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.35)}
.tsl-foot a:hover{border-bottom-color:var(--tsl-teal)}
.tsl-foot-links{display:flex;flex-wrap:wrap;gap:18px;margin-top:16px}
.tsl-foot-links a{border:0;font-weight:600}
.tsl-copy{color:rgba(255,255,255,.5);font-size:13px;margin-top:18px}

@media (max-width:767.98px){
  .tsl-head .tsl-wrap{flex-wrap:wrap;padding:10px 16px;min-height:0}
  .tsl-tag{display:none}
  .tsl-name{font-size:20px}
  .tsl-nav{width:100%;justify-content:flex-start;gap:0;overflow-x:auto;padding-bottom:6px}
  .tsl-nav a{padding:6px 10px;white-space:nowrap}
  .tsl-wrap{padding:0 16px}
  main .lens{padding-top:22px}
}
/* ==========================================================================
   19. Article reading shell — content column + sticky side panel
   Lens articles and episode pages used to be a single centred column with no
   way out of them. This gives them the same shape as /blog/: the article keeps
   a readable measure, and the panel carries the rest of the library.
   ========================================================================== */
.lens .lens-grid{max-width:1200px;margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:minmax(0,1fr) 306px;gap:56px;align-items:start}
/* the content column keeps its own measure and drops the centring it had when
   it was the only thing on the page */
.lens .lens-grid>.narrow.lens-main{max-width:none;margin:0;padding:0;min-width:0}
.lens-side{position:sticky;top:96px;align-self:start;
  max-height:calc(100vh - 120px);overflow-y:auto;overscroll-behavior:contain;
  font-size:14px;line-height:1.5;padding-bottom:8px}
.lens-side::-webkit-scrollbar{width:8px}
.lens-side::-webkit-scrollbar-thumb{background:#dbe4f2;border-radius:8px}
.lx-inner{border-left:1px solid var(--atx-line);padding-left:26px}
.lx-home{display:inline-block;font-size:13px;font-weight:700;color:var(--atx-brand);
  text-decoration:none;margin-bottom:22px}
.lx-home:hover{color:var(--atx-brand-dk)}
.lx-block{margin:0 0 26px;padding:0 0 22px;border-bottom:1px solid var(--atx-line)}
.lx-block:last-child{border-bottom:0;padding-bottom:0}
.lx-k{display:block;font-size:11px;font-weight:800;letter-spacing:.13em;
  text-transform:uppercase;color:var(--atx-mute);margin-bottom:12px}
.lx-here b{display:block;font-size:15px;font-weight:750;color:var(--atx-ink);
  letter-spacing:-.01em}
.lx-here .lx-sub{display:block;font-size:12.5px;color:var(--atx-mute);margin-top:3px}
.lx-list{list-style:none;margin:0;padding:0}
.lx-list li{margin:0;padding:0}
.lx-list li::before{display:none}
.lx-list li a{display:block;padding:7px 0;color:var(--atx-ink-2);text-decoration:none;
  font-size:13.5px;line-height:1.45;border-bottom:1px solid transparent}
.lx-list li a:hover{color:var(--atx-brand)}
.lx-list li.on a{color:var(--atx-brand);font-weight:700}
.lx-list li.on a::before{content:"";display:inline-block;width:3px;height:13px;
  background:var(--atx-brand);border-radius:2px;margin-right:8px;
  vertical-align:-2px}
.lx-more a{display:inline-block;font-size:13.5px;font-weight:700;
  color:var(--atx-brand);text-decoration:none}
.lx-more a:hover{color:var(--atx-brand-dk)}
/* Episodes on an article: the related ones, then the rest and the channel. */
.lx-watch .lx-links{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:8px}
.lx-watch .lx-links a{font-size:13px;font-weight:700;color:var(--atx-brand);
  text-decoration:none;white-space:nowrap}
.lx-watch .lx-links a:hover{color:var(--atx-brand-dk)}
.lx-chips{display:flex;flex-wrap:wrap;gap:7px}
.lx-chip{display:inline-block;padding:5px 11px;border-radius:999px;font-size:12.5px;
  font-weight:650;color:var(--atx-brand);background:var(--atx-brand-lt);
  text-decoration:none;border:1px solid transparent}
.lx-chip:hover{border-color:var(--atx-line-2);color:var(--atx-brand-dk)}
.lx-cta{background:var(--atx-brand-lt);border:1px solid var(--atx-line-2);
  border-radius:12px;padding:18px 18px 20px;border-bottom:1px solid var(--atx-line-2)}
.lx-cta b{display:block;font-size:14.5px;color:var(--atx-ink);letter-spacing:-.01em}
.lx-cta p{margin:6px 0 14px;font-size:13px;color:var(--atx-ink-2);line-height:1.5}
.lx-btn{display:block;text-align:center;background:var(--atx-brand);color:#fff;
  font-weight:700;font-size:13.5px;padding:10px 14px;border-radius:9px;
  text-decoration:none}
.lx-btn:hover{background:var(--atx-brand-dk);color:#fff}
@media(max-width:1080px){
.lens .lens-grid{grid-template-columns:minmax(0,1fr);gap:0;max-width:820px}
.lens-side{position:static;max-height:none;overflow:visible;
    margin-top:46px;padding-top:30px;border-top:1px solid var(--atx-line)}
.lx-inner{border-left:0;padding-left:0}
.lx-list{columns:2;column-gap:26px}
.lx-list li{break-inside:avoid}
}
@media(max-width:600px){
.lx-list{columns:1}
}
/* the four older WordPress posts keep their own sidebar column; only the
   widgets inside were replaced, so the panel needs the sticky behaviour the
   .lens-side wrapper would otherwise have given it */
.sidebar-sticky-area.lens-side-wp{position:sticky;top:96px;align-self:start;
  max-height:calc(100vh - 120px);overflow-y:auto;overscroll-behavior:contain;
  font-size:14px;line-height:1.5}
.sidebar-sticky-area.lens-side-wp::-webkit-scrollbar{width:8px}
.sidebar-sticky-area.lens-side-wp::-webkit-scrollbar-thumb{background:#dbe4f2;border-radius:8px}
@media(max-width:991px){
.sidebar-sticky-area.lens-side-wp{position:static;max-height:none;overflow:visible;
    margin-top:40px;padding-top:28px;border-top:1px solid var(--atx-line)}
.sidebar-sticky-area.lens-side-wp .lx-inner{border-left:0;padding-left:0}
}
/* Share row on the Lens articles - plain links, no third-party script */
.atx-share{display:flex;align-items:center;gap:12px;margin:0 0 26px}
.atx-share-k{font-size:11px;font-weight:800;letter-spacing:.13em;
  text-transform:uppercase;color:var(--atx-mute)}
.atx-share ul{display:flex;gap:8px;list-style:none;margin:0;padding:0}
.atx-share li{margin:0;padding:0}
.atx-share li::before{display:none}
.atx-share a{display:flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:50%;border:1px solid var(--atx-line-2);
  color:var(--atx-ink-2);font-size:13px;font-weight:700;text-decoration:none;
  transition:.15s ease}
.atx-share a:hover{background:var(--atx-brand);border-color:var(--atx-brand);color:#fff}
.lx-watch .lx-links a{display:inline-block;padding:4px 0}
.lx-inner a.lx-home{display:inline-block;padding:4px 0}
/* ==========================================================================
   20. Responsive figures inside Lens articles
   A figure written as HTML next to its PNG (figures/<name>.html) is inlined by
   build_lens.py in place of the <img>. The PNG stays as the social image and
   as the copy in the Word export. These reflow instead of shrinking, so the
   text inside stays readable on a phone.
   ========================================================================== */
.lens .lens-fig{margin:30px 0 34px;border:1px solid var(--atx-line);border-radius:16px;
  background:#fff;padding:22px 22px 18px;box-shadow:var(--atx-shadow);
  font-size:14px;line-height:1.45;color:var(--atx-ink-2)}
.lens .lens-fig *{box-sizing:border-box}
.lens .lens-fig p{margin:0;font-size:inherit;line-height:inherit;color:inherit}
.lens .lens-fig-title{font-family:inherit;font-size:17px;font-weight:800;color:var(--atx-ink);
  letter-spacing:-.01em;line-height:1.3;margin:0 0 18px}
.lens .lens-fig-cap{margin:16px 0 0;font-size:12.5px;color:var(--atx-mute);font-style:italic;
  text-align:center}
.lens .lens-fig-k{font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:var(--atx-mute);margin:0 0 10px}
.lens .lens-fig-k.is-brand{color:var(--atx-brand)}

/* ---- layered stack (architecture figures) ---- */
.lens .lens-fig-stack{display:grid;grid-template-columns:minmax(0,1fr) 168px;gap:14px;align-items:stretch}
.lens .lens-fig-layers{display:flex;flex-direction:column;gap:0;min-width:0}
.lens .lens-fig-layer{border:1px solid var(--atx-line-2);border-radius:12px;background:var(--atx-brand-lt2);
  padding:14px 16px 13px}
.lens .lens-fig-layer.is-base{background:var(--atx-surface);border-color:var(--atx-line)}
.lens .lens-fig-layer h4{margin:0 0 5px;font-size:15px;font-weight:800;color:var(--atx-brand);
  line-height:1.3}
.lens .lens-fig-layer h4 small{display:inline-block;margin-right:8px;font-size:11px;font-weight:800;
  letter-spacing:.1em;text-transform:uppercase;color:#fff;background:var(--atx-brand);
  padding:2px 7px;border-radius:6px;vertical-align:2px}
.lens .lens-fig-layer p{font-size:13.5px;line-height:1.5}
.lens .lens-fig-layer p b{color:var(--atx-ink);font-weight:700}
.lens .lens-fig-link{display:flex;align-items:center;justify-content:center;gap:8px;
  padding:6px 0;font-size:12px;font-weight:700;color:var(--atx-brand);line-height:1}
.lens .lens-fig-link::before{content:"";width:2px;height:16px;background:var(--atx-brand);
  border-radius:2px;opacity:.7}
.lens .lens-fig-link.is-up{color:var(--atx-mute)}
.lens .lens-fig-link.is-up::before{background:var(--atx-mute)}
.lens .lens-fig-parts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:10px}
.lens .lens-fig-part{border:1px solid var(--atx-line-2);border-radius:9px;background:#fff;padding:9px 11px}
.lens .lens-fig-part b{display:block;font-size:13px;color:var(--atx-ink);margin-bottom:2px}
.lens .lens-fig-part span{display:block;font-size:12px;line-height:1.4;color:var(--atx-body)}
.lens .lens-fig-part.is-hard{background:var(--atx-brand);border-color:var(--atx-brand)}
.lens .lens-fig-part.is-hard b,.lens .lens-fig-part.is-hard span{color:#fff}
.lens .lens-fig-side{border-radius:12px;background:var(--atx-brand-dk);color:#fff;padding:18px 16px;
  display:flex;flex-direction:column;gap:12px}
.lens .lens-fig-side .lens-fig-k{color:rgba(255,255,255,.75);margin:0}
.lens .lens-fig-side h4{margin:0;font-size:16px;font-weight:800;color:#fff;line-height:1.25}
.lens .lens-fig-side p{font-size:12.5px;line-height:1.5;color:rgba(255,255,255,.9)}

/* ---- two panels (before / after figures) ---- */
.lens .lens-fig-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:stretch}
.lens .lens-fig-panel{border:1px solid var(--atx-line);border-radius:12px;padding:14px 14px 12px;
  background:var(--atx-surface);min-width:0}
.lens .lens-fig-panel.is-after{background:var(--atx-brand-lt2);border-color:var(--atx-line-2)}
.lens .lens-fig-hub{border:1px solid var(--atx-line-2);border-radius:10px;background:#fff;padding:11px 13px;
  margin-bottom:10px}
.lens .lens-fig-hub b{display:block;font-size:14px;color:var(--atx-ink)}
.lens .lens-fig-hub span{display:block;font-size:12px;color:var(--atx-mute)}
.lens .lens-fig-hub i{display:block;font-size:12.5px;color:var(--atx-ink-2);margin-top:4px}
.lens .lens-fig-rows{list-style:none;margin:0;padding:0 0 0 12px;border-left:2px dashed var(--atx-line-2);
  display:flex;flex-direction:column;gap:7px}
.lens .lens-fig-row{position:relative;border:1px solid var(--atx-line);border-left:3px solid var(--c,var(--atx-mute));
  border-radius:8px;background:#fff;padding:8px 10px 8px 11px;font-size:12.5px;line-height:1.4}
.lens .lens-fig-row::before{content:"";position:absolute;left:-15px;top:14px;width:8px;height:8px;
  border-radius:50%;background:var(--c,var(--atx-mute))}
.lens .lens-fig-row b{color:var(--atx-ink);font-size:13.5px}
.lens .lens-fig-row em{float:right;font-style:normal;font-weight:800;color:var(--c,var(--atx-mute));
  font-size:12px;letter-spacing:.02em}
.lens .lens-fig-row span{display:block;color:var(--atx-mute);font-size:11.5px}
.lens .lens-fig-row i{display:block;font-style:normal;color:var(--c,var(--atx-mute))}
.lens .lens-fig-row.ok{--c:#1a8a4a}.lens .lens-fig-row.bad{--c:#c0392b}.lens .lens-fig-row.warn{--c:#b7791f}
.lens .lens-fig-foot{margin:10px 0 0;font-size:12px;color:var(--atx-mute);font-style:italic;text-align:center}
.lens .lens-fig-bar{border-radius:9px;background:var(--atx-brand);color:#fff;padding:10px 13px;
  font-size:13.5px;font-weight:800;text-align:center;line-height:1.35}
.lens .lens-fig-bar.is-dk{background:var(--atx-brand-dk);font-weight:700}
.lens .lens-fig-caps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;margin:10px 0 8px}
.lens .lens-fig-cap-box{border:1px solid var(--atx-line-2);border-radius:8px;background:#fff;padding:8px 6px;
  text-align:center;min-width:0}
.lens .lens-fig-cap-box code{display:block;font-size:11px;font-weight:700;color:var(--atx-ink);
  background:none;border:0;padding:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lens .lens-fig-cap-box span{display:block;font-size:11px;color:var(--atx-mute);line-height:1.35}
.lens .lens-fig-cap-box span+span{color:var(--atx-ink-2)}
.lens .lens-fig-note{font-size:12px;color:var(--atx-ink-2);font-style:italic;text-align:center;margin:0 0 10px}
.lens .lens-fig-agent{border:1.5px solid var(--atx-brand);border-radius:10px;background:#fff;padding:11px 13px}
.lens .lens-fig-agent b{display:block;font-size:14px;color:var(--atx-brand);margin-bottom:6px}
.lens .lens-fig-agent ol{margin:0;padding:0 0 0 18px;font-size:12.5px;line-height:1.45;color:var(--atx-ink-2)}
.lens .lens-fig-agent ol li{margin:0 0 4px}
.lens .lens-fig-agent i{display:block;font-style:normal;font-weight:800;color:var(--atx-brand);
  font-size:12.5px;margin-top:6px}
.lens .lens-fig-down{display:flex;justify-content:center;padding:4px 0;color:var(--atx-brand);font-size:16px;line-height:1}

@media (max-width:767.98px){
  .lens .lens-fig{padding:16px 14px 14px;font-size:13.5px}
  .lens .lens-fig-title{font-size:16px}
  .lens .lens-fig-stack{grid-template-columns:minmax(0,1fr)}
  .lens .lens-fig-parts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .lens .lens-fig-2{grid-template-columns:minmax(0,1fr)}
  .lens .lens-fig-row{display:flex;flex-wrap:wrap;align-items:baseline;column-gap:8px}
  .lens .lens-fig-row b{order:1}
  .lens .lens-fig-row em{float:none;order:2;margin-left:auto}
  .lens .lens-fig-row span,.lens .lens-fig-row i{order:3;flex:0 0 100%}
  .lens .lens-fig-cap-box code{white-space:normal;overflow:visible;font-size:10.5px}
}

/* ==========================================================================
   21. Knowledge Store figures (The Software Lens)
   Diagrams written as HTML so they reflow on a phone instead of shrinking.
   Three tier colours, used consistently across every figure in the article:
   vector = brand blue, graph = teal, structured (source of truth) = navy.
   ========================================================================== */
.lens .ks-fig{--ks-vec:#104cba;--ks-vec-lt:#eaf1fd;--ks-graph:#0b7a70;--ks-graph-lt:#e6f4f1;
  --ks-truth:#0b2a66;--ks-truth-lt:#eef1f8;--ks-ok:#1a7a46;--ks-no:#a8461f}
.lens .ks-fig p.lens-fig-title{margin:0 0 16px}
.lens .ks-fig p.lens-fig-cap{margin:14px 0 0}
.lens .ks-fig h4{margin:0;font-size:15px;line-height:1.3;color:var(--atx-ink);font-weight:800}

/* in-one-minute brief */
.lens .ks-brief{margin:28px 0 30px;border-radius:16px;padding:22px 24px;
  background:linear-gradient(135deg,#0b2a66 0%,#104cba 100%);color:#fff;box-shadow:var(--atx-shadow)}
.lens .ks-brief .ks-brief-k{display:block;font-size:11px;font-weight:800;letter-spacing:.14em;
  text-transform:uppercase;color:rgba(255,255,255,.72);margin-bottom:12px}
.lens .ks-brief ol{margin:0;padding:0;list-style:none;display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 22px;counter-reset:ks}
.lens .ks-brief li{position:relative;padding-left:34px;font-size:14.5px;line-height:1.5;
  color:rgba(255,255,255,.95);counter-increment:ks;margin:0}
.lens .ks-brief li::before{content:counter(ks);position:absolute;left:0;top:1px;width:24px;height:24px;
  border-radius:50%;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);
  font-size:12px;font-weight:800;line-height:22px;text-align:center}
.lens .ks-brief li b{color:#fff}

/* figure 1: the three tiers */
.lens .ks-tiers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.lens .ks-tier{border-radius:14px;padding:16px 18px 15px;border:1px solid var(--atx-line);
  background:#fff;position:relative;min-width:0}
.lens .ks-tier::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;
  border-radius:0 4px 4px 0;background:var(--ks-c)}
.lens .ks-t-vec{--ks-c:var(--ks-vec);background:linear-gradient(180deg,var(--ks-vec-lt),#fff 70%)}
.lens .ks-t-graph{--ks-c:var(--ks-graph);background:linear-gradient(180deg,var(--ks-graph-lt),#fff 70%)}
.lens .ks-t-struct{--ks-c:var(--ks-truth);grid-column:1/-1;background:var(--ks-truth);border-color:var(--ks-truth);color:#fff}
.lens .ks-t-struct::before{background:#7fb0ff}
.lens .ks-tier-h{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.lens .ks-ico{flex:0 0 38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--ks-c);color:#fff}
.lens .ks-t-struct .ks-ico{background:rgba(255,255,255,.14)}
.lens .ks-ico svg{width:22px;height:22px;display:block}
.lens .ks-tier-h > div{flex:1;min-width:0}
.lens .ks-tier-h > div b{display:block;font-size:15.5px;color:var(--atx-ink);line-height:1.25}
.lens .ks-tier-h > div span{display:block;font-size:12.5px;color:var(--atx-mute)}
.lens .ks-t-struct .ks-tier-h > div b{color:#fff}
.lens .ks-t-struct .ks-tier-h > div span{color:rgba(255,255,255,.72)}
.lens .ks-badge{flex:0 0 auto;font-style:normal;font-size:10.5px;font-weight:800;letter-spacing:.08em;
  text-transform:uppercase;padding:4px 9px;border-radius:999px;background:#fff;color:var(--ks-c);
  border:1px solid var(--ks-c)}
.lens .ks-t-struct .ks-badge{background:#ffd666;color:#3d2e00;border-color:#ffd666}
.lens .ks-q{font-size:15px !important;font-weight:700;color:var(--atx-ink) !important;line-height:1.4 !important;
  margin:0 0 6px !important}
.lens .ks-t-struct .ks-q{color:#fff !important}
.lens .ks-tier p.ks-what{font-size:13px;color:var(--atx-body);margin:0 0 10px}
.lens .ks-t-struct p.ks-what{color:rgba(255,255,255,.82)}
.lens .ks-chips{display:flex;flex-wrap:wrap;gap:6px}
.lens .ks-chips span{font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:7px;
  background:#fff;border:1px solid var(--atx-line-2);color:var(--atx-ink-2)}
.lens .ks-t-struct .ks-chips span{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.28);color:#fff}
.lens .ks-derive{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:-4px 0}
.lens .ks-derive span{display:flex;align-items:center;justify-content:center;gap:8px;font-size:11.5px;
  font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--atx-mute)}
.lens .ks-derive span::before{content:"";width:2px;height:22px;background:repeating-linear-gradient(
  to bottom,var(--atx-mute) 0 4px,transparent 4px 8px)}

/* figure 2: the read path */
.lens .ks-funnel{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;align-items:center;gap:8px}
.lens .ks-funnel li{width:100%;display:flex;align-items:center;gap:14px;border-radius:12px;padding:12px 16px;
  margin:0;color:#fff;background:var(--ks-c);box-sizing:border-box}
.lens .ks-funnel .ks-f1{--ks-c:var(--ks-vec)}
.lens .ks-funnel .ks-f2{--ks-c:var(--ks-graph);width:84%}
.lens .ks-funnel .ks-f3{--ks-c:var(--ks-truth);width:68%}
.lens .ks-step{flex:0 0 28px;height:28px;border-radius:50%;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.4);font-weight:800;font-size:13px;line-height:26px;text-align:center}
.lens .ks-funnel li > div{flex:1;min-width:0}
.lens .ks-funnel li b{display:block;font-size:14.5px;line-height:1.3}
.lens .ks-funnel li span:not(.ks-step){display:block;font-size:12.5px;line-height:1.4;color:rgba(255,255,255,.86)}
.lens .ks-funnel li em{flex:0 0 auto;font-style:normal;font-size:12px;font-weight:800;padding:4px 10px;
  border-radius:999px;background:rgba(255,255,255,.16);white-space:nowrap}
.lens .ks-answer{margin:10px auto 0;width:52%;text-align:center;border:2px dashed var(--ks-truth);border-radius:12px;
  padding:10px 12px;font-size:13.5px;font-weight:800;color:var(--ks-truth);background:var(--ks-truth-lt)}

/* figure 3: how the store changes its mind */
.lens .ks-life{display:grid;grid-template-columns:minmax(0,1fr) 26px minmax(0,1fr) 26px minmax(0,1.25fr);
  align-items:center;gap:6px}
.lens .ks-st{border-radius:12px;padding:12px 14px;border:1px solid var(--atx-line);background:#fff;min-width:0}
.lens .ks-st b{display:block;font-size:14px;color:var(--atx-ink);margin-bottom:3px}
.lens .ks-st span{display:block;font-size:12.5px;line-height:1.45;color:var(--atx-body)}
.lens .ks-st-p{background:var(--atx-surface)}
.lens .ks-st-v{background:var(--ks-graph-lt);border-color:#b9dfd7}
.lens .ks-st-v b{color:var(--ks-graph)}
.lens .ks-st-s{background:var(--ks-vec-lt);border-color:var(--atx-line-2)}
.lens .ks-st-s b{color:var(--ks-vec)}
.lens .ks-st-r{background:#fbefe9;border-color:#f0cdbd}
.lens .ks-st-r b{color:var(--ks-no)}
.lens .ks-branch{display:flex;flex-direction:column;gap:8px}
.lens .ks-arr{text-align:center;font-size:24px;font-weight:800;color:var(--ks-graph);line-height:1}

/* figure 4: the same tiers on each cloud */
.lens .ks-clouds{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.lens .ks-cloud{border-radius:14px;border:1px solid var(--atx-line);background:#fff;overflow:hidden;min-width:0}
.lens .ks-cloud h4{padding:12px 16px;background:var(--atx-ink);color:#fff !important;font-size:15px}
.lens .ks-cloud dl{margin:0;padding:6px 16px 12px}
.lens .ks-cloud dt{font-size:10.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;margin:10px 0 2px;
  display:flex;align-items:center;gap:6px;color:var(--atx-mute)}
.lens .ks-cloud dt::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--ks-c,var(--atx-mute))}
.lens .ks-cloud dt.ks-d-s{--ks-c:var(--ks-truth)}
.lens .ks-cloud dt.ks-d-v{--ks-c:var(--ks-vec)}
.lens .ks-cloud dt.ks-d-g{--ks-c:var(--ks-graph)}
.lens .ks-cloud dd{margin:0;font-size:13px;line-height:1.45;color:var(--atx-ink-2)}
.lens .ks-cloud dd.ks-yes{color:var(--ks-ok);font-weight:700}
.lens .ks-cloud dd.ks-no{color:var(--ks-no);font-weight:700}

/* questions to ask your team */
.lens .ks-ask{list-style:none;margin:18px 0 26px;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;
  counter-reset:ksq}
.lens .ks-ask li{margin:0;border:1px solid var(--atx-line);border-radius:14px;padding:16px 18px 14px 58px;position:relative;
  background:#fff;box-shadow:var(--atx-shadow);counter-increment:ksq}
.lens .ks-ask li::before{content:counter(ksq);position:absolute;left:16px;top:15px;width:30px;height:30px;border-radius:9px;
  background:#104cba;color:#fff;font-weight:800;font-size:14px;line-height:30px;text-align:center}
.lens .ks-ask li b{display:block;font-size:15px;line-height:1.35;color:var(--atx-ink);margin-bottom:4px}
.lens .ks-ask li span{display:block;font-size:13.5px;line-height:1.5;color:var(--atx-body)}

@media (max-width:767.98px){
  .lens .ks-brief{padding:18px 16px}
  .lens .ks-brief ol{grid-template-columns:minmax(0,1fr)}
  .lens .ks-tiers{grid-template-columns:minmax(0,1fr)}
  .lens .ks-derive{grid-template-columns:minmax(0,1fr)}
  .lens .ks-derive span+span{display:none}
  .lens .ks-tier-h{flex-wrap:wrap}
  .lens .ks-tier-h > div{min-width:150px}
  .lens .ks-funnel .ks-f2{width:96%}
  .lens .ks-funnel .ks-f3{width:92%}
  .lens .ks-funnel li{display:grid;grid-template-columns:28px minmax(0,1fr);column-gap:12px;row-gap:8px;
    align-items:start;padding:12px 14px}
  .lens .ks-funnel li em{grid-column:2;justify-self:start}
  .lens .ks-answer{width:92%}
  .lens .ks-life{grid-template-columns:minmax(0,1fr)}
  .lens .ks-arr{transform:rotate(90deg);padding:2px 0}
  .lens .ks-clouds{grid-template-columns:minmax(0,1fr)}
  .lens .ks-ask{grid-template-columns:minmax(0,1fr)}
}

/* ---- article furniture: context box, notes, related, tables ---- */
.lens .lens-cta{background:var(--atx-brand-lt);border:1px solid var(--atx-line-2);
  border-radius:14px;padding:24px 26px;margin:38px 0;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  flex-wrap:wrap}
.lens .lens-cta p{margin:0;font-size:15.5px;line-height:1.6;color:var(--atx-ink-2);
  max-width:62ch;font-style:normal}
.lens .lens-cta p b{color:var(--atx-ink);font-weight:700}
.lens .lens-cta-btn{flex:none;display:inline-block;background:var(--atx-brand);
  color:#fff!important;font-weight:700;font-size:14.5px;padding:12px 22px;
  border-radius:10px;text-decoration:none;white-space:nowrap;border:0}
.lens .lens-cta-btn:hover{background:var(--atx-brand-dk);color:#fff!important}
@media(max-width:640px){
.lens .lens-cta{flex-direction:column;align-items:flex-start;padding:20px}
.lens .lens-cta-btn{width:100%;text-align:center}
}
.lens .lens-note{background:var(--atx-brand-lt2);border-left:3px solid var(--atx-brand);
  border-radius:0 10px 10px 0;padding:16px 20px;margin:26px 0}
.lens .lens-note p{margin:0;font-size:14.5px;line-height:1.6;
  color:var(--atx-ink-2);font-style:normal}
.lens .lens-note p b{color:var(--atx-ink);font-weight:700}
.lens .lens-context{border:1px solid var(--atx-line);border-radius:12px;background:#fff;
  margin:6px 0 30px;overflow:hidden}
.lens .lens-about{margin:0;padding:16px 20px;font-size:14.5px;line-height:1.6;
  color:var(--atx-ink-2);background:var(--atx-brand-lt2);font-style:normal}
.lens .lens-about b{color:var(--atx-ink)}
.lens .lens-series{padding:16px 20px 18px}
.lens .lens-series-k{display:block;font-size:11px;font-weight:800;letter-spacing:.13em;
  text-transform:uppercase;color:var(--atx-brand);margin-bottom:8px}
.lens .lens-series>p{margin:0 0 12px;font-size:14.5px;line-height:1.6;color:var(--atx-ink-2)}
.lens .lens-series>p b{color:var(--atx-ink)}
.lens .lens-parts{list-style:none;margin:0 0 12px;padding:0;display:grid;gap:4px}
.lens .lens-parts li{margin:0;padding:6px 0 6px 0;font-size:14px;line-height:1.45;
  display:grid;grid-template-columns:52px 1fr;column-gap:10px;align-items:baseline;
  border-top:1px solid var(--atx-line)}
.lens .lens-parts li::before{display:none}
.lens .lens-parts li span{font-size:11px;font-weight:800;letter-spacing:.08em;
  text-transform:uppercase;color:var(--atx-mute)}
.lens .lens-parts li.on span{color:var(--atx-brand)}
.lens .lens-parts li.on b{color:var(--atx-ink)}
.lens .lens-parts li em{font-style:normal;font-size:12px;color:var(--atx-mute);margin-left:6px;
  white-space:nowrap}
.lens .lens-parts li.soon{color:var(--atx-mute)}
.lens .lens-prereq{margin:0;padding-top:12px;border-top:1px solid var(--atx-line);
  font-size:14.5px;line-height:1.6;color:var(--atx-ink-2)}
.lens .lens-prereq b{color:var(--atx-ink)}
@media(max-width:560px){
.lens .lens-parts li{grid-template-columns:1fr}
.lens .lens-parts li span{display:block}
}
.lens .lens-related{margin:44px 0 8px;padding-top:26px;border-top:1px solid var(--atx-line)}
.lens .lens-related-k{display:block;font-size:11px;font-weight:800;letter-spacing:.13em;
  text-transform:uppercase;color:var(--atx-mute);margin-bottom:14px}
.lens .lens-related ul{list-style:none;margin:0;padding:0;display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.lens .lens-related li{margin:0;padding:16px 18px;border:1px solid var(--atx-line);
  border-radius:12px;background:#fff}
.lens .lens-related li::before{display:none}
.lens .lens-related li a{display:block;font-weight:700;font-size:15px;line-height:1.35;
  color:var(--atx-brand);text-decoration:none;letter-spacing:-.01em}
.lens .lens-related li a:hover{color:var(--atx-brand-dk)}
.lens .lens-related li span{display:block;margin-top:6px;font-size:13.5px;
  color:var(--atx-ink-2);line-height:1.5}
@media(max-width:640px){
.lens .lens-related ul{grid-template-columns:1fr}
}
.lens .lens-related li a{display:block;padding:3px 0}