/* VentexR Insights: index, cards, single article, cover art.
   Loaded only on blog pages (home / archive / search / single post).
   Tokens come from theme.css (:root + .vx-light-canvas): the reading area
   runs on the fixed light canvas, so both sets of --vx-* values are real,
   not an OS-driven switch. Cards stay flat: no shadows. */

:root{
  --vx-h:rgba(255,255,255,.13);
  --vx-n:rgba(255,255,255,.32);
  --vx-b:rgba(243,243,243,.72);
  --vx-a-tint:rgba(239,91,12,.16);
  --vx-n-tint:rgba(255,255,255,.07);
  --vx-prose:rgba(243,243,243,.86);
  --vx-code-bg:rgba(255,255,255,.06);
  --vx-measure:700px;
}
.vx-light-canvas{
  --vx-h:rgba(17,17,17,.13);
  --vx-n:rgba(17,17,17,.34);
  --vx-b:rgba(17,17,17,.68);
  --vx-a-tint:rgba(194,65,12,.14);
  --vx-n-tint:rgba(17,17,17,.06);
  --vx-prose:#2b2b2b;
  --vx-code-bg:rgba(17,17,17,.06);
}

/* ---------- Cover art (inline SVG) ---------- */
.vx-cover-svg{display:block;width:100%;height:100%;background:var(--diagram-bg)}
.vx-cover-svg line,.vx-cover-svg circle,.vx-cover-svg rect{fill:none;stroke-linecap:round;vector-effect:non-scaling-stroke}
.vx-cover-svg .vx-h{stroke:var(--vx-h);stroke-width:1}
.vx-cover-svg .vx-n{stroke:var(--vx-n);stroke-width:1.25}
.vx-cover-svg .vx-a{stroke:var(--accent);stroke-width:1.75}
.vx-cover-svg .vx-b{stroke:var(--vx-b);stroke-width:1.5}
.vx-cover-svg .vx-a.vx-f1{fill:var(--vx-a-tint)}
.vx-cover-svg .vx-a.vx-f2{fill:var(--accent)}
.vx-cover-svg .vx-n.vx-f1{fill:var(--vx-n-tint)}
.vx-cover-svg .vx-b.vx-f2{fill:var(--vx-b)}
.vx-cover-img{display:block;width:100%;height:100%;object-fit:cover}

/* ---------- Insights index ---------- */
.vx-hero{padding:72px 0 36px;border-bottom:1px solid var(--border)}
.vx-hero-title{font-size:clamp(2rem,4.4vw,3rem);max-width:20ch;margin-bottom:16px}
.vx-hero-lead{max-width:58ch;color:var(--muted);font-size:1.05rem;line-height:1.65}
.vx-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.vx-chip{display:inline-flex;align-items:center;padding:7px 14px;border:1px solid var(--chip-border);border-radius:999px;background:var(--chip-bg);font-size:.82rem;font-weight:500;color:var(--muted);transition:border-color .18s,color .18s}
.vx-chip:hover{color:var(--text);border-color:rgba(239,91,12,.45)}
.vx-chip.is-on{color:var(--text);border-color:rgba(239,91,12,.7)}
.vx-list{padding:44px 0 72px}
.vx-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.vx-grid--three{grid-template-columns:repeat(3,minmax(0,1fr))}
.vx-empty{max-width:520px;padding:48px 0}
.vx-empty h2{font-size:1.5rem;margin-bottom:10px}
.vx-empty p{color:var(--muted);margin-bottom:16px}

/* ---------- Cards (flat) ---------- */
.vx-card{position:relative;display:flex;flex-direction:column;border:1px solid var(--border);border-radius:12px;background:var(--elevated,#1f1f1f);overflow:hidden;transition:border-color .2s}
.vx-card:hover,.vx-card:focus-within{border-color:rgba(239,91,12,.5)}
.vx-card-cover{display:block;aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--border)}
.vx-card-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;flex:1}
.vx-meta{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:.78rem;color:var(--muted);margin:0}
.vx-meta>*+*{position:relative}
.vx-card .vx-topic{flex-basis:100%}
.vx-topic{color:var(--accent);font-weight:600;letter-spacing:.06em;text-transform:uppercase;font-size:.7rem}
.vx-card-title{font-size:1.15rem;line-height:1.28;letter-spacing:-.02em}
.vx-card-title a::after{content:"";position:absolute;inset:0}
.vx-card-excerpt{color:var(--muted);font-size:.9rem;line-height:1.6;margin:0}
.vx-card:focus-within{outline:2px solid rgba(239,91,12,.45);outline-offset:3px}
.vx-card--feature{grid-column:1/-1;flex-direction:row;align-items:stretch}
.vx-card--feature .vx-card-cover{order:2;flex:0 0 46%;aspect-ratio:auto;min-height:280px;border-bottom:0;border-left:1px solid var(--border)}
.vx-card--feature .vx-card-body{order:1;justify-content:center;padding:36px 40px}
.vx-card--feature .vx-card-title{font-size:clamp(1.5rem,2.6vw,2rem);max-width:22ch}
.vx-card--feature .vx-card-excerpt{font-size:1rem;max-width:52ch}
.vx-card-more{margin-top:6px;font-size:.88rem;font-weight:600;color:var(--accent)}
.navigation.pagination{margin-top:40px}
.navigation.pagination .nav-links{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.navigation.pagination .page-numbers{padding:8px 14px;border:1px solid var(--border);border-radius:8px;font-size:.88rem;color:var(--muted)}
.navigation.pagination .page-numbers.current{color:var(--text);border-color:rgba(239,91,12,.7)}
.navigation.pagination a.page-numbers:hover{color:var(--text);border-color:rgba(239,91,12,.45)}

/* ---------- Single article: head ---------- */
.vx-wrap{max-width:1100px}
.vx-head{padding:40px 0 0}
.vx-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;font-size:.82rem;color:var(--muted);margin-bottom:28px}
.vx-crumbs a:hover{color:var(--text)}
.vx-crumbs [aria-current]{max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.vx-kicker{margin-bottom:12px}
.vx-title{font-size:clamp(2rem,4.4vw,3.1rem);line-height:1.1;max-width:20ch;margin-bottom:18px}
.vx-lead{max-width:56ch;color:var(--muted);font-size:1.15rem;line-height:1.6;margin-bottom:6px}
.vx-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 24px;margin-top:26px;padding:16px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.vx-bar .vx-meta{font-size:.86rem;gap:6px 18px}
.vx-bar .vx-meta>*+*{padding-left:18px;border-left:1px solid var(--border)}
.vx-cover-band{margin-top:32px;height:clamp(150px,22vw,260px);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.vx-cover-band>svg,.vx-cover-band>img{height:100%}

/* ---------- Share + AI pills ---------- */
.vx-share,.vx-ai{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.vx-share-label{font-size:.74rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-right:4px}
.vx-pill{display:inline-flex;align-items:center;padding:6px 13px;border:1px solid var(--chip-border);border-radius:999px;background:var(--chip-bg);font:500 .8rem "Sora",system-ui,sans-serif;color:var(--muted);cursor:pointer;transition:border-color .18s,color .18s}
.vx-pill:hover,.vx-pill:focus-visible{color:var(--text);border-color:rgba(239,91,12,.6)}
.vx-pill--ai:hover{border-color:var(--vx-ai,var(--accent))}
.vx-pill.is-done{color:var(--accent);border-color:rgba(239,91,12,.7)}

/* ---------- Layout + contents rail ---------- */
.vx-layout{display:grid;grid-template-columns:220px minmax(0,var(--vx-measure));gap:clamp(32px,5vw,64px);padding:44px 28px 80px;justify-content:start}
.vx-layout--solo{grid-template-columns:minmax(0,var(--vx-measure))}
.vx-toc{position:sticky;top:96px;align-self:start;font-size:.86rem}
.vx-toc-title{font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.vx-toc ol{position:relative;list-style:none;margin:0;padding:0 0 0 20px}
.vx-toc ol::before{content:"";position:absolute;left:3px;top:0;bottom:0;width:1px;background:var(--border)}
.vx-toc ol::after{content:"";position:absolute;left:2px;top:0;width:2px;height:var(--fill,0px);background:var(--accent);transition:height .12s linear}
.vx-toc-fill{--fill:0px}
.vx-toc li{position:relative;padding:5px 0;margin:0}
.vx-toc li::before{content:"";position:absolute;left:-20px;top:13px;width:7px;height:7px;border-radius:50%;background:var(--body);border:1px solid var(--vx-n)}
.vx-toc li.is-done::before,.vx-toc li.is-current::before{background:var(--accent);border-color:var(--accent)}
.vx-toc li.is-current::before{box-shadow:0 0 0 3px rgba(239,91,12,.22)}
.vx-toc a{display:block;line-height:1.4;color:var(--muted)}
.vx-toc a:hover,.vx-toc li.is-current a{color:var(--text)}
.vx-main{min-width:0}

/* ---------- Quick answer + takeaways ---------- */
.vx-answer{margin:0 0 2.2em;padding:18px 22px;border:1px solid var(--border);border-left:2px solid var(--accent);border-radius:0 12px 12px 0;background:var(--diagram-bg);scroll-margin-top:96px}
.vx-answer-label{font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.vx-answer p:last-child{margin:0;font-family:"Space Grotesk",system-ui,sans-serif;font-size:1.22rem;line-height:1.5;color:var(--text);letter-spacing:-.01em}
.vx-takeaways{margin:0 0 2.4em}
.vx-takeaways h2{font-family:"Sora",system-ui,sans-serif;font-size:.95rem;font-weight:600;letter-spacing:0;margin-bottom:10px}
.vx-takeaways ul{list-style:none;margin:0;padding:0;border-top:1px solid var(--border)}
.vx-takeaways li{position:relative;padding:12px 0 12px 26px;border-bottom:1px solid var(--border);line-height:1.55;color:var(--vx-prose)}
.vx-takeaways li::before{content:"";position:absolute;left:4px;top:1.32em;width:10px;height:2px;background:var(--accent)}

/* ---------- Prose ---------- */
.vx-prose{font-size:1.125rem;line-height:1.72;color:var(--vx-prose)}
.vx-prose>*:first-child{margin-top:0}
.vx-prose p{margin:0 0 1.3em}
.vx-prose h2{margin:2.4em 0 .6em;font-size:clamp(1.55rem,2.6vw,1.95rem);line-height:1.18;color:var(--text);scroll-margin-top:96px}
.vx-prose h3{margin:2em 0 .5em;font-size:1.3rem;line-height:1.25;color:var(--text);scroll-margin-top:96px}
.vx-prose h4{margin:1.6em 0 .4em;font-size:1.05rem;color:var(--text)}
.vx-prose a{color:var(--text);text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:1px;text-underline-offset:4px}
.vx-prose a:hover{color:var(--accent)}
.vx-prose strong{color:var(--text);font-weight:600}
.vx-prose ul,.vx-prose ol{margin:0 0 1.3em;padding-left:1.35em}
.vx-prose li{margin:.45em 0;padding-left:.2em}
.vx-prose li::marker{color:var(--accent)}
.vx-prose blockquote{margin:2em 0;padding:2px 0 2px 22px;border-left:2px solid var(--accent);font-family:"Space Grotesk",system-ui,sans-serif;font-size:1.35rem;line-height:1.4;color:var(--text)}
.vx-prose blockquote p{margin:0}
.vx-prose hr{height:1px;margin:2.4em 0;border:0;background:var(--border)}
.vx-prose code{padding:.12em .38em;border-radius:4px;background:var(--vx-code-bg);font-size:.88em}
.vx-prose pre{margin:1.8em 0;padding:16px 18px;overflow-x:auto;border:1px solid var(--border);border-radius:10px;background:var(--vx-code-bg);font-size:.9rem;line-height:1.6}
.vx-prose pre code{padding:0;background:none}
.vx-prose img{max-width:100%;height:auto;border-radius:10px}
.vx-prose figure{margin:2em 0}
.vx-prose figcaption{margin-top:10px;font-size:.84rem;line-height:1.5;color:var(--muted)}
.vx-prose table{display:block;width:100%;margin:1.8em 0;overflow-x:auto;border-collapse:collapse;font-size:.96rem;line-height:1.5}
.vx-prose th,.vx-prose td{padding:12px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--border)}
.vx-prose th{font-weight:600;color:var(--text);border-bottom-color:var(--ghost-border);white-space:nowrap}

/* In-article patterns (documented in docs/insights-content-contract.md) */
.vx-prose table.operator{display:table;border:1px solid var(--border);border-radius:12px;border-collapse:separate;border-spacing:0;overflow:hidden}
.vx-prose table.operator th,.vx-prose table.operator td{border-bottom:1px solid var(--border)}
.vx-prose table.operator tr:last-child td{border-bottom:0}
.vx-prose table.operator thead th{background:var(--diagram-bg)}
.vx-prose table.operator td:last-child,.vx-prose table.operator th:last-child{color:var(--accent);font-weight:600}
.vx-prose figure.vx-diagram{padding:20px;border:1px solid var(--border);border-radius:12px;background:var(--diagram-bg)}
.vx-prose figure.vx-diagram svg{display:block;width:100%;height:auto}
.vx-prose figure.vx-diagram figcaption{margin-top:14px;padding-top:12px;border-top:1px solid var(--border)}
.vx-prose .vx-stat{margin:2em 0;padding:18px 22px;border:1px solid var(--border);border-radius:12px}
.vx-prose .vx-stat strong{display:block;font-family:"Space Grotesk",system-ui,sans-serif;font-size:2.1rem;line-height:1.1;color:var(--accent);letter-spacing:-.03em}
.vx-prose .vx-stat span{color:var(--muted);font-size:.95rem}

/* Mid-article CTA */
.vx-mid-cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 24px;margin:2.6em 0;padding:18px 22px;border:1px solid var(--border);border-left:2px solid var(--accent);border-radius:0 12px 12px 0;background:var(--diagram-bg)}
.vx-mid-cta p{margin:0;font-family:"Space Grotesk",system-ui,sans-serif;font-size:1.15rem;font-weight:600;color:var(--text);letter-spacing:-.01em}
.vx-prose .vx-mid-cta a.btn{color:#fff;text-decoration:none}

/* ---------- FAQ / sources / end ---------- */
.vx-faq,.vx-sources{margin-top:3em;scroll-margin-top:96px}
.vx-faq h2,.vx-sources h2{font-size:1.5rem;margin-bottom:16px}
.vx-faq .faq-list{display:flex;flex-direction:column;gap:10px;max-width:none}
.vx-faq .faq-item p{font-size:.98rem}
.vx-sources{padding:22px 24px;border:1px solid var(--border);border-radius:12px;background:var(--diagram-bg)}
.vx-sources h2{font-size:1.1rem;margin-bottom:10px}
.vx-sources-body{font-size:.95rem;line-height:1.6;color:var(--vx-prose)}
.vx-sources-body ul,.vx-sources-body ol{margin:0;padding-left:1.2em}
.vx-sources-body li{margin:.5em 0}
.vx-sources-body li::marker{color:var(--accent)}
.vx-sources-body a{color:var(--text);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:3px}
.vx-src-domain{margin-left:8px;padding:1px 8px;border:1px solid var(--border);border-radius:999px;font-size:.74rem;color:var(--muted);white-space:nowrap}
.vx-distribute{display:grid;gap:14px;margin-top:3em;padding-top:22px;border-top:1px solid var(--border)}
.vx-end-cta{margin-top:3em;padding:32px;border:1px solid var(--border);border-radius:12px;background:var(--cta-band)}
.vx-end-cta h2{font-size:clamp(1.4rem,3vw,1.8rem);margin-bottom:10px}
.vx-end-cta p{color:var(--muted);max-width:52ch;margin:0 0 6px}
.vx-end-cta-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px !important}
.vx-more{padding:56px 0 80px;border-top:1px solid var(--border)}
.vx-more-title{font-size:1.5rem;margin-bottom:24px}

/* ---------- Responsive ---------- */
@media (max-width:1020px){
  .vx-grid,.vx-grid--three{grid-template-columns:repeat(2,minmax(0,1fr))}
  .vx-layout{grid-template-columns:minmax(0,var(--vx-measure));padding:32px 28px 64px}
  .vx-toc{position:static;padding:16px 18px;border:1px solid var(--border);border-radius:12px;background:var(--diagram-bg)}
  .vx-toc ol::after{display:none}
  .vx-toc ol::before{display:none}
  .vx-toc ol{padding-left:0}
  .vx-toc li::before{display:none}
  .vx-toc li{padding:4px 0}
}
@media (max-width:760px){
  .vx-card--feature{flex-direction:column}
  .vx-card--feature .vx-card-cover{order:0;flex:none;min-height:0;aspect-ratio:16/9;border-left:0;border-bottom:1px solid var(--border)}
  .vx-card--feature .vx-card-body{order:1;padding:22px}
}
@media (max-width:680px){
  .vx-grid,.vx-grid--three{grid-template-columns:1fr}
  .vx-hero{padding:48px 0 28px}
  .vx-prose{font-size:1.0625rem}
  .vx-answer p:last-child{font-size:1.1rem}
  .vx-bar .vx-meta>*+*{padding-left:0;border-left:0}
  .vx-end-cta{padding:24px 20px}
  .vx-mid-cta{padding:16px 18px}
}
@media (prefers-reduced-motion:reduce){
  .vx-toc ol::after{transition:none}
}

/* ---------- Phone fit: nothing in an article may be wider than the screen ---------- */
.vx-prose{overflow-wrap:break-word}
.vx-prose a,.vx-sources-body a,.vx-src-domain{overflow-wrap:anywhere}
@media (max-width:680px){
  /* "display:table" on the operator table stopped it scrolling and forced the whole page ~500px wide. */
  .vx-prose table.operator{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .vx-prose table.operator th,.vx-prose table.operator td{white-space:normal;padding:10px;font-size:.88rem}
  .vx-prose figure.vx-diagram{padding:12px}
}

/* ---------- Diagram figures (inline SVG inside articles) ---------- */
.vx-prose figure.vx-diagram svg text{font-family:"Sora",system-ui,sans-serif}
.vx-diagram .d-box{fill:none;stroke:var(--vx-n);stroke-width:1}
.vx-diagram .d-hot{fill:var(--vx-a-tint);stroke:var(--accent);stroke-width:1.25}
.vx-diagram .d-arrow{stroke:var(--vx-n);stroke-width:1.25;fill:none}
.vx-diagram .d-hot-line{stroke:var(--accent);stroke-width:1.5;fill:none}
.vx-diagram .d-txt{fill:var(--text);font-size:13px;font-weight:500}
.vx-diagram .d-sub{fill:var(--muted);font-size:11px;letter-spacing:.06em}