/* ==========================================================================
   An Insights article (/blog/<slug>, type post) — "the reading room". Loaded after brand/hub.css, tech/kit.css,
   blocks.css and blog.css. Desktop (≥1181px): a sticky rail (contents, minutes left, share) beside the text, which
   runs at a reading measure; wide figures, galleries, figures rows and embeds extend into the free column on the
   right. Below that the contents fold above the text and the blocks keep their centred breakouts.
   core.css tokens only.
   ========================================================================== */
.bla{--bla-measure:720px;--bla-rail:224px}

/* reading progress (drawn by article.js; hidden without it) */
.bla-progress{position:fixed;top:0;left:0;right:0;z-index:95;height:3px;pointer-events:none}
.bla-progress__bar{display:block;width:100%;height:100%;background:var(--blue);transform:scaleX(0);transform-origin:0 50%;will-change:transform}

/* ---------- hero ---------------------------------------------------------- */
.bla-hero{padding-top:var(--bdh-hero-t);padding-bottom:clamp(36px,4vw,56px)}
.bla-hero__grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--bdh-gap);row-gap:40px;align-items:end}
.bla-hero__text{grid-column:1 / span 10;display:flex;flex-direction:column;align-items:flex-start;gap:22px;min-width:0}
.bla-hero--split .bla-hero__grid{align-items:center}
.bla-hero--split .bla-hero__text{grid-column:1 / span 7}
.bla-hero--split .bla-cover--split{grid-column:8 / 13}
.bla-hero--type .bla-hero__text{grid-column:1 / span 8}
.bla-hero--type .bla-card{grid-column:10 / 13}
.bla-hero__crumb{margin-bottom:6px}
.bla-hero__kicker{display:flex;flex-wrap:wrap;align-items:center;gap:6px 18px;font-family:var(--f);font-size:var(--t-lbl);font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);line-height:1.5}
.bla-hero__fmt{display:inline-flex;align-items:center;gap:.6em;color:var(--blue-d)}
.bla-hero__fmt::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue)}
.bla-hero__t{max-width:21ch;font-family:var(--f-h);font-size:clamp(2rem,4.2vw,3.6rem);font-weight:500;line-height:1.04;letter-spacing:-.032em;color:var(--ink);text-wrap:balance}
.bla-hero--type .bla-hero__t{max-width:17ch;font-size:var(--t-d1);line-height:1.02;letter-spacing:-.035em}
.bla-hero__dek{max-width:58ch;font-size:clamp(1.02rem,1.3vw,1.2rem);line-height:1.62;color:var(--muted)}
.bla-by{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;padding-top:4px}
.bla-by__tile{background:var(--ink);color:var(--on-ink)}
.bla-by__who{display:flex;flex-direction:column;gap:2px}
.bla-by__n{font-size:var(--t-sm);font-weight:500;color:var(--ink)}
.bla-by__r{font-size:var(--t-xs);color:var(--muted)}
.bla-by__when{display:flex;flex-wrap:wrap;gap:4px 18px;padding-left:18px;border-left:1px solid var(--line-3);font-family:var(--f);font-size:var(--t-lbl);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.bla-by__when time{color:var(--ink)}

/* covers */
.bla-cover{margin-block:0}
.bla-cover--split{margin:0}
.bla-cover--wide{margin-top:clamp(36px,4vw,60px)}
.bla-cover__box{position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--paper-3)}
.bla-cover--wide .bla-cover__box{aspect-ratio:2 / 1}
.bla-cover--split .bla-cover__box{aspect-ratio:4 / 5}
.bla-cover__box picture{display:contents}
.bla-cover__img{display:block;width:100%;height:100%;object-fit:cover}
.bla-cover__cap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 24px;margin-top:12px;font-size:var(--t-xs);line-height:1.55;color:var(--muted)}
.bla-cover__credit{color:var(--faint)}
.bla-cover__credit a{color:inherit;text-decoration:underline;text-decoration-color:var(--line-3);text-underline-offset:3px}
.bla-cover__credit a:hover{color:var(--ink)}

/* the index card of a type-only hero */
.bla-card{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));overflow:hidden;border:1px solid var(--line-3);border-radius:var(--r-lg);background:var(--paper);box-shadow:var(--sh-1)}
.bla-card div{display:flex;flex-direction:column;gap:8px;padding:16px 18px;border-bottom:1px solid var(--line)}
.bla-card div:nth-child(odd){border-right:1px solid var(--line)}
.bla-card div:nth-last-child(-n+2){border-bottom:0}
.bla-card dt{font-family:var(--f);font-size:var(--t-lbl);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.bla-card dd{font-family:var(--f-h);font-size:1.3rem;font-weight:500;line-height:1.15;color:var(--ink)}

/* ---------- the body: rail + text ---------------------------------------- */
.bla-body{padding-block:clamp(40px,4.4vw,72px) clamp(64px,7vw,112px)}
.bla-layout{display:grid;grid-template-columns:var(--bla-rail) minmax(0,1fr);column-gap:clamp(40px,5vw,80px);align-items:start}
.bla-layout--solo{grid-template-columns:minmax(0,1fr)}
.bla-main{min-width:0}
.bla-layout--solo .bla-main{width:100%;max-width:var(--bla-measure);margin-inline:auto}

.bla-rail{position:sticky;top:calc(var(--nav-h) + 44px);display:flex;flex-direction:column;gap:30px;min-width:0;max-height:calc(100vh - var(--nav-h) - 72px);overflow-y:auto;overscroll-behavior:contain;padding:2px 2px 8px 0;scrollbar-width:thin}
.bla-toc__d{min-width:0}
.bla-toc__s{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--ink);list-style:none;cursor:default}
.bla-toc__s::-webkit-details-marker{display:none}
.bla-toc__s::marker{content:""}
.bla-toc__h{font-family:var(--f);font-size:var(--t-lbl);font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--ink)}
.bla-toc__meta{font-family:var(--f);font-size:var(--t-lbl);letter-spacing:.06em;color:var(--muted);white-space:nowrap}
.bla-toc__list{display:flex;flex-direction:column;padding-top:10px}
.bla-toc__a{position:relative;display:block;padding:7px 0 7px 15px;border-left:1px solid var(--line);font-size:var(--t-xs);line-height:1.45;color:var(--muted);transition:color var(--d1) var(--e-io),border-color var(--d1) var(--e-io),box-shadow var(--d1) var(--e-io)}
.bla-toc__i--3 .bla-toc__a{padding-left:28px;color:var(--faint)}
.bla-toc__i--end .bla-toc__a{margin-top:8px;font-family:var(--f);font-size:var(--t-lbl);letter-spacing:.12em;text-transform:uppercase}
.bla-toc__i--next .bla-toc__a{margin-top:0}
.bla-toc__a:hover{color:var(--ink)}
.bla-toc__a.is-on{border-left-color:var(--blue);box-shadow:inset 1px 0 0 var(--blue);color:var(--ink);font-weight:500}
.bla-toc__left{margin-top:16px;font-family:var(--f);font-size:var(--t-lbl);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.bla-toc__left span{color:var(--ink)}
.bla-rail__lbl{margin-bottom:10px;font-family:var(--f);font-size:var(--t-lbl);font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.bla-rail__share .blg-share{gap:6px}

/* desktop: the text keeps its measure; wide things use the free column to its right */
@media (min-width:1181px){
  .bla-layout:not(.bla-layout--solo) .bla-prose{display:grid;grid-template-columns:minmax(0,var(--bla-measure)) minmax(0,1fr);max-width:none;margin:0}
  .bla-layout:not(.bla-layout--solo) .bla-prose > *{grid-column:1}
  .bla-layout:not(.bla-layout--solo) .bla-prose > :is(.xb-img--wide,.xb-img--full,.xb-gal,.xb-cols,.xb-stats,.xb-embed,.xb-video){grid-column:1 / -1;width:auto;margin-inline:0}
  .bla-layout:not(.bla-layout--solo) :is(.bla-short,.bla-note,.bla-dates,.bla-sources,.bla-log,.bla-end){max-width:var(--bla-measure)}
}

/* ---------- "In short" and the disclaimer -------------------------------- */
.bla-short{margin-bottom:clamp(30px,3vw,44px);padding:clamp(20px,2.2vw,28px);border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper-2)}
.bla-short__h{display:flex;align-items:center;gap:.6em;font-family:var(--f);font-size:var(--t-lbl);font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--ink)}
.bla-short__h::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue)}
.bla-short__list{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.bla-short__list li{display:grid;grid-template-columns:30px minmax(0,1fr);gap:8px;font-size:var(--t-body);line-height:1.62;color:var(--ink)}
.bla-short__n{padding-top:3px;font-family:var(--f);font-size:var(--t-xs);color:var(--blue-d)}
.bla-short code{font-family:var(--f);font-size:.88em;padding:.1em .35em;border-radius:var(--r-xs);background:var(--paper-4)}
.bla-note{margin-bottom:clamp(28px,3vw,40px);padding:16px 20px;border-radius:0 var(--r-sm) var(--r-sm) 0;background:var(--paper-3);box-shadow:inset 2px 0 0 var(--ink)}
.bla-note__h{font-family:var(--f);font-size:var(--t-lbl);font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--ink)}
.bla-note__x{margin-top:6px;font-size:var(--t-sm);line-height:1.6;color:var(--txt)}

/* ---------- the blocks, set for reading ---------------------------------- */
.bla-prose{--xb-measure:var(--bla-measure)}
.bla-prose .xb-p,.bla-prose .xb-list,.bla-prose .xb-md > .xb-p{font-size:clamp(1.0625rem,1.1vw,1.125rem);line-height:1.78;color:var(--txt)}
.bla-prose > .xb-p:first-child{font-size:clamp(1.12rem,1.25vw,1.22rem);line-height:1.72;color:var(--ink)}
.bla-prose .xb-h2{margin-top:2.2em;padding-top:1.05em;border-top:1px solid var(--line);font-size:clamp(1.5rem,2.25vw,2rem);line-height:1.14;letter-spacing:-.024em}
.bla-prose > .xb-h2:first-child{margin-top:0;padding-top:0;border-top:0}
.bla-prose > :is(.xb-stats,.xb-img,.xb-gal,.xb-embed,.xb-video,.xb-code,.xb-cols) + .xb-h2{margin-top:1.4em}
.bla-prose .xb-h3{margin-top:1.7em;font-size:clamp(1.15rem,1.45vw,1.32rem)}
.bla-prose .xb-h2 + .xb-h3{margin-top:.9em}
.bla-prose .xb-hr + .xb-h2,.bla-prose .xb-hr + .xb-md > .xb-h2:first-child{margin-top:1.2em;padding-top:0;border-top:0}   /* a divider already draws the rule */
.bla-prose .xb-img--inline img{width:auto;max-width:100%;max-height:min(82vh,760px);margin-inline:auto}
.bla-prose .xb-list{gap:.6em}

/* pull quote */
.bla-prose .xb-quote{margin-block:2.4em;padding:clamp(24px,2.6vw,34px) 0;border-left:0;border-block:1px solid var(--ink)}
.bla-prose .xb-quote__q::before{content:"\201C";display:block;height:.5em;margin-bottom:.15em;font-family:var(--f-h);font-size:4.4rem;line-height:1;color:var(--blue)}
.bla-prose .xb-quote__q p{font-size:clamp(1.4rem,2.4vw,2rem);line-height:1.22;letter-spacing:-.022em;color:var(--ink);text-wrap:balance}
.bla-prose .xb-quote__cite{margin-top:18px}

/* callouts (the accent-barred tones keep a straight left edge so the bar reads as a bar) */
.bla-prose .xb-call{padding:clamp(18px,2vw,24px) clamp(20px,2.2vw,28px);border-radius:var(--r-lg)}
.bla-prose .xb-call--warn,.bla-prose .xb-call--success{border-radius:0 var(--r-lg) var(--r-lg) 0}
.bla-prose .xb-call__t{font-size:clamp(1rem,1.2vw,1.1rem);line-height:1.3}
.bla-prose .xb-call__x{font-size:var(--t-body);line-height:1.7}

/* figures */
.bla-prose .xb-img{margin-block:2.4em}
.bla-prose .xb-img img,.bla-prose .xb-gal img{border-radius:var(--r-lg)}
.bla-prose .xb-img--wide img,.bla-prose .xb-img--full img{max-height:min(78vh,720px);object-fit:cover}
.bla-prose .xb-cap{display:flex;flex-wrap:wrap;gap:4px 14px;margin-top:12px;font-size:var(--t-xs);line-height:1.55;color:var(--muted)}
.bla-prose .xb-cap__credit{color:var(--faint)}
.bla-prose .xb-cap__credit a{color:inherit}

/* figures row */
.bla-prose .xb-stats{margin-block:2.4em;padding:clamp(20px,2.4vw,30px);border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper-2)}
.bla-prose .xb-stats__list{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:clamp(18px,2.6vw,36px)}
.bla-prose .xb-stat{padding-top:14px;border-top:2px solid var(--ink)}
.bla-prose .xb-stat__v{font-size:clamp(1.9rem,3.2vw,2.7rem)}
.bla-prose .xb-stat__l{margin-top:10px;font-weight:500;color:var(--ink)}
.bla-prose .xb-stats__note{margin-top:18px;padding-top:12px;border-top:1px solid var(--line)}

/* code */
.bla-prose .xb-code{margin-block:2.2em;overflow:hidden;border-radius:var(--r-lg);background:var(--ink)}
.bla-prose .xb-code__lang{position:static;display:flex;align-items:center;height:42px;padding:0 18px;border-bottom:1px solid var(--on-ink-line);color:var(--on-ink-3)}
.bla-prose .xb-code__pre{border-radius:0;padding:20px 22px;font-size:var(--t-sm);line-height:1.7}
.bla-prose .xb-code .xb-cap{margin:0;padding:12px 18px;border-top:1px solid var(--on-ink-line);color:var(--on-ink-3);background:var(--ink)}
.bla-copy{position:absolute;top:6px;right:8px;display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 10px;border:1px solid var(--on-ink-line);border-radius:var(--r-pill);background:var(--on-ink-card);color:var(--on-ink-2);font-family:var(--f);font-size:var(--t-lbl);letter-spacing:.1em;text-transform:uppercase;transition:color var(--d1) var(--e-io),border-color var(--d1) var(--e-io)}
.bla-prose .xb-code.has-copy .xb-code__pre{padding-top:48px}
.bla-copy:hover,.bla-copy.is-done{color:var(--on-ink);border-color:var(--on-ink-3)}

/* embeds and video */
.bla-prose .xb-embed__box,.bla-prose .xb-video__v{border-radius:var(--r-lg)}

/* footnote markers */
.bla-fn{line-height:0;vertical-align:baseline}
.bla-fn a{position:relative;top:-.62em;display:inline-block;min-width:1.5em;margin-left:2px;padding:.22em .32em;border-radius:5px;background:var(--blue-wash);color:var(--blue-d);font-family:var(--f);font-size:max(.66em,var(--t-lbl));font-weight:500;line-height:1;text-align:center;text-decoration:none;transition:background var(--d1) var(--e-io),color var(--d1) var(--e-io)}
.bla-fn a::after{content:"";position:absolute;inset:-14px -7px}               /* a larger hit area, same look */
.bla-fn a:hover,.bla-fn a:focus-visible{background:var(--blue);color:var(--on-ink)}
.bla-fn a:target,.bla-fn a.is-back{box-shadow:0 0 0 3px var(--blue-wash-2)}
.bla-fnpop{position:absolute;z-index:40;max-width:min(340px,calc(100vw - 32px));padding:14px 16px;border:1px solid var(--line-3);border-radius:var(--r);background:var(--paper);box-shadow:var(--sh-2);font-size:var(--t-xs);line-height:1.55;color:var(--txt)}
.bla-fnpop[hidden]{display:none}
.bla-fnpop__n{display:block;margin-bottom:6px;font-family:var(--f);font-size:var(--t-lbl);letter-spacing:.14em;text-transform:uppercase;color:var(--blue-d)}
.bla-fnpop__t{display:block;font-weight:500;color:var(--ink)}
.bla-fnpop__m{display:block;margin-top:4px;color:var(--muted)}

/* ---------- the dates this article tracks (its rows of the standards ledger on /blog) ------------- */
.bla-dates{margin-top:clamp(56px,6vw,88px);padding-top:28px;border-top:1px solid var(--ink)}
.bla-dates__head{display:flex;flex-direction:column;gap:10px;margin-bottom:22px}
.bla-dates__t{font-family:var(--f-h);font-size:clamp(1.45rem,2.1vw,1.85rem);font-weight:500;line-height:1.15;letter-spacing:-.022em;color:var(--ink)}
.bla-dates__lead{font-size:var(--t-sm);line-height:1.6;color:var(--muted)}
.bla-dates__all{color:var(--ink);font-weight:500;text-decoration:underline;text-decoration-color:var(--blue-line);text-underline-offset:3px}
.bla-dates__all:hover{color:var(--blue-d)}
.bla-dates__list{position:relative;display:flex;flex-direction:column}
.bla-dates__it{position:relative;display:grid;grid-template-columns:28px minmax(0,1fr);column-gap:10px;padding:0 0 22px}
.bla-dates__it::before{content:"";position:absolute;left:6px;top:8px;bottom:-8px;border-left:1px solid var(--line-3)}
.bla-dates__it:last-child::before{display:none}
.bla-dates__it.is-next::before{border-left-style:dashed;border-left-color:var(--blue-line)}
.bla-dates__dot{position:relative;z-index:1;grid-row:1 / span 4;width:13px;height:13px;margin-top:4px;border-radius:50%;background:var(--ink);box-shadow:0 0 0 4px var(--paper)}
.bla-dates__it.is-next .bla-dates__dot{background:var(--paper);border:2px solid var(--blue)}
.bla-dates__when{grid-column:2;display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;font-family:var(--f);font-size:var(--t-sm);font-weight:500;color:var(--ink);font-variant-numeric:tabular-nums}
.bla-dates__tag{display:inline-flex;align-items:center;min-height:22px;padding:0 8px;border-radius:var(--r-pill);background:var(--blue-wash);color:var(--blue-d);font-size:var(--t-lbl);letter-spacing:.08em;text-transform:uppercase}
.bla-dates__what{grid-column:2;margin-top:6px;font-family:var(--f-h);font-size:clamp(1.05rem,1.3vw,1.18rem);font-weight:500;line-height:1.3;color:var(--ink)}
.bla-dates__note{grid-column:2;margin-top:4px;font-size:var(--t-sm);line-height:1.6;color:var(--txt)}
.bla-dates__src{grid-column:2;display:flex;flex-wrap:wrap;align-items:center;gap:2px 10px;margin-top:6px;font-size:var(--t-xs);color:var(--muted)}
.bla-dates__src a{font-family:var(--f);font-size:var(--t-lbl);letter-spacing:.1em;text-transform:uppercase;color:var(--blue-d);text-decoration:underline;text-decoration-color:var(--blue-line);text-underline-offset:3px}
.bla-dates__now{position:relative;display:flex;align-items:center;min-height:30px;margin:-6px 0 16px;padding-left:38px}
.bla-dates__now::before{content:"";position:absolute;left:0;right:0;top:50%;border-top:1px solid var(--blue)}
.bla-dates__now span{position:relative;padding:3px 10px;border-radius:var(--r-pill);background:var(--paper);box-shadow:inset 0 0 0 1px var(--blue-line);font-family:var(--f);font-size:var(--t-lbl);font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--blue-d)}

/* ---------- sources ------------------------------------------------------ */
.bla-sources{margin-top:clamp(56px,6vw,88px);padding-top:28px;border-top:1px solid var(--ink)}
.bla-sources__t{font-family:var(--f-h);font-size:clamp(1.45rem,2.1vw,1.85rem);font-weight:500;line-height:1.15;letter-spacing:-.022em;color:var(--ink)}
.bla-sources__lead{margin-top:10px;font-size:var(--t-sm);line-height:1.6;color:var(--muted)}
.bla-sources__list{display:flex;flex-direction:column;margin-top:22px}
.bla-src{display:grid;grid-template-columns:42px minmax(0,1fr);gap:14px;padding:16px 12px 16px 0;border-bottom:1px solid var(--line);scroll-margin-top:calc(var(--nav-h) + 40px);transition:background var(--d3) var(--e)}
.bla-src:target{background:var(--blue-wash)}
.bla-src__n{display:grid;place-items:center;width:30px;height:30px;border:1px solid var(--line-3);border-radius:50%;font-family:var(--f);font-size:var(--t-xs);color:var(--ink);background:var(--paper)}
.bla-src__b{min-width:0}
.bla-src__t{font-size:var(--t-body);font-weight:500;line-height:1.45;color:var(--ink);overflow-wrap:anywhere}
.bla-src__t a{text-decoration:underline;text-decoration-color:var(--blue-line);text-underline-offset:3px}
.bla-src__t a:hover{color:var(--blue-d);text-decoration-color:var(--blue)}
.bla-src__m{margin-top:5px;font-family:var(--f);font-size:var(--t-lbl);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.bla-src__x{margin-top:6px;font-size:var(--t-sm);line-height:1.55;color:var(--txt)}
.bla-src__back{display:flex;flex-wrap:wrap;align-items:center;gap:2px 8px;margin-top:8px;font-size:var(--t-xs);color:var(--muted)}
.bla-src__bk{font-family:var(--f);color:var(--blue-d)}
.bla-src__back a{display:inline-flex;align-items:center;min-height:32px;font-weight:500;color:var(--blue-d);text-decoration:underline;text-decoration-color:var(--blue-line);text-underline-offset:3px}
.bla-src__back a.bla-src__bn{justify-content:center;min-width:32px;border:1px solid var(--blue-line);border-radius:var(--r-pill);text-decoration:none;font-family:var(--f)}
.bla-src__back a:hover{color:var(--ink)}
.bla-src__back a.bla-src__bn:hover{background:var(--blue-wash)}

/* ---------- the review log ---------------------------------------------- */
.bla-log{margin-top:clamp(40px,4.4vw,60px);padding:clamp(20px,2.2vw,28px);border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper-2)}
.bla-log__t{display:flex;align-items:center;gap:.6em;font-family:var(--f-h);font-size:clamp(1.1rem,1.4vw,1.25rem);font-weight:500;line-height:1.2;color:var(--ink)}
.bla-log__t::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue)}
.bla-log__lead{margin-top:6px;font-size:var(--t-xs);line-height:1.6;color:var(--muted)}
.bla-log__list{display:flex;flex-direction:column;margin-top:14px;border-top:1px solid var(--line-3)}
.bla-log__it{display:grid;grid-template-columns:minmax(0,9.5em) minmax(0,1fr);gap:6px 18px;padding:12px 0;border-bottom:1px solid var(--line)}
.bla-log__it:last-child{border-bottom:0;padding-bottom:0}
.bla-log__d{padding-top:1px;font-family:var(--f);font-size:var(--t-xs);font-weight:500;color:var(--ink);font-variant-numeric:tabular-nums;white-space:nowrap}
.bla-log__x{font-size:var(--t-sm);line-height:1.6;color:var(--txt)}

/* ---------- end of the article ------------------------------------------- */
.bla-end{display:flex;flex-direction:column;gap:20px;margin-top:clamp(44px,5vw,64px);padding-top:24px;border-top:1px solid var(--line-3)}
.bla-end__row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px}
.bla-end__lbl{min-width:92px;font-family:var(--f);font-size:var(--t-lbl);font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.bla-end__tags{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- related and the sign-up -------------------------------------- */
.bla-signup__in{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--bdh-gap);row-gap:28px;align-items:end;padding:clamp(26px,3.4vw,52px);border:1px solid var(--line);border-radius:var(--r-xl);background:var(--paper-2)}
.bla-signup__copy{grid-column:1 / span 6;display:flex;flex-direction:column;align-items:flex-start;gap:16px}
.bla-signup__copy .h2{max-width:18ch}
.bla-signup__line{max-width:46ch;font-size:var(--t-sm);line-height:1.6;color:var(--muted)}
.bla-signup__form{grid-column:8 / 13}

/* ---------- smaller screens ---------------------------------------------- */
@media (max-width:1180px){
  .bla-layout{grid-template-columns:minmax(0,1fr)}
  .bla-rail{position:static;width:100%;max-width:var(--bla-measure);max-height:none;margin:0 auto clamp(28px,4vw,44px);overflow:visible;padding:0}
  .bla-rail__share{display:none}
  .bla-toc__d{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper-2);padding:0 18px}
  .bla-toc__s{min-height:52px;align-items:center;padding:0;border-bottom:0;cursor:pointer}
  .bla-toc__s::after{content:"";flex:none;width:8px;height:8px;margin-left:auto;border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:translateY(-2px) rotate(45deg);transition:transform var(--d2) var(--e)}
  .bla-toc__d[open] .bla-toc__s::after{transform:translateY(2px) rotate(-135deg)}
  .bla-toc__d[open] .bla-toc__s{border-bottom:1px solid var(--line-3)}
  .bla-toc__list{padding:6px 0 14px}
  .bla-toc__left{display:none}
  .bla-main{width:100%;max-width:var(--bla-measure);margin-inline:auto}
}
@media (max-width:1100px){
  .bla-hero__text,.bla-hero--split .bla-hero__text{grid-column:1 / span 11}
  .bla-hero--split .bla-hero__text{grid-column:1 / span 7}
}
@media (max-width:860px){
  .bla-hero__text,.bla-hero--split .bla-hero__text,.bla-hero--type .bla-hero__text{grid-column:1 / -1}
  .bla-hero--split .bla-cover--split,.bla-hero--type .bla-card{grid-column:1 / -1}
  .bla-hero--split .bla-cover--split .bla-cover__box{aspect-ratio:4 / 3}
  .bla-cover--wide .bla-cover__box{aspect-ratio:3 / 2}
  .bla-signup__copy,.bla-signup__form{grid-column:1 / -1}
}
@media (max-width:680px){
  .bla-by__when{padding-left:0;border-left:0;flex-basis:100%}
  .bla-toc__a{min-height:44px;display:flex;align-items:center}
  .bla-src__back a{min-height:44px}
  .bla-src__back a.bla-src__bn{min-width:44px}
  .bla-src__t a,.bla-dates__src a,.bla-dates__all{display:inline-flex;align-items:center;min-height:44px}
  .bla-prose .xb-quote__q::before{font-size:3.4rem}
  .bla-copy{height:44px;min-width:56px;justify-content:center;top:4px;right:4px}
  .bla-prose .xb-code.has-copy .xb-code__pre{padding-top:56px}
  .bla-prose .xb-code__lang{height:52px;padding-right:72px}
  .bla-log__it{grid-template-columns:minmax(0,1fr);gap:2px}
}
@media (max-width:480px){
  .bla-hero__t{letter-spacing:-.026em}
  .bla-card dd{font-size:1.1rem}
}
@media (prefers-reduced-motion:reduce){
  .bla-src,.bla-toc__a{transition:none}
}

/* touch screens (phones and tablets): 44px tap targets (integrator, responsive pass) */
@media (pointer:coarse){
  .bla-src__back a,.bla-copy{min-height:44px}
  .bla-src__back a.bla-src__bn{min-width:44px}
  .bla-fn a{min-width:24px}     /* side-by-side source marks each keep a 24px-wide target */
  .bla-src__t a,.bla-dates__src a{display:inline-flex;align-items:center;min-height:44px}
}