/* SPECULA Insights: index and long-form article layouts. */

:root{
  --insights-orange:#F04600;
  --insights-pale:#F2F4FA;
  --insights-ink:#0A0C1E;
}

body.insights-page{background:#fff}

.insights-shell{position:relative;z-index:1}

/* Index hero: same editorial system used by Metodo, with the mark in particles. */
.insights-hero{min-height:90svh;margin:0;background:transparent;color:var(--text)}
.insights-hero .display{position:relative;z-index:2;font-size:94px;letter-spacing:0}
.insights-hero .hero-sub{position:relative;z-index:2;max-width:48ch;color:rgba(10,12,30,.62)}
.insights-hero .eyebrow,.insights-hero .hero-sub{text-shadow:0 0 20px rgba(255,255,255,.96)}
.insights-index-content{position:relative;background:rgba(255,255,255,.9)}
.insights-intro{align-items:start}
.insights-intro-copy{font-size:36px;line-height:1.16;letter-spacing:0;max-width:31ch}
.insights-articles-label{margin-top:100px;margin-bottom:24px}

.article-list{border-top:1px solid var(--line)}
.article-card{display:grid;grid-template-columns:72px minmax(0,1fr) 240px;gap:34px;
  align-items:start;padding:46px 0;border-bottom:1px solid var(--line);transition:color .25s}
.article-card-number{font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--brand)}
.article-card h2{font-size:36px;line-height:1.04;letter-spacing:0;max-width:22ch}
.article-card p{margin-top:15px;font-size:16px;line-height:1.55;color:rgba(10,12,30,.68);max-width:54ch}
.article-card-meta{display:flex;flex-direction:column;align-items:flex-end;gap:16px;
  font-size:10px;line-height:1.4;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.article-card-meta .read-arrow{width:46px;height:46px;border:1px solid var(--brand);border-radius:50%;
  display:grid;place-items:center;color:var(--brand);font-size:20px;transition:background .25s,color .25s,transform .25s}
.article-card:hover h2{color:var(--brand)}
.article-card:hover .read-arrow{background:var(--brand);color:#fff;transform:translateX(4px)}

.research-band{margin-top:120px;background:var(--insights-pale);padding:86px clamp(24px,6vw,140px)}
.research-band-inner{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}
.research-band h2{font-size:13px;line-height:1.3;letter-spacing:.22em;text-transform:uppercase;color:var(--brand)}
.research-map{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid rgba(0,28,171,.22)}
.research-map span{padding:20px 0;border-bottom:1px solid rgba(0,28,171,.22);font-size:19px;line-height:1.25}
.research-map span:nth-child(odd){padding-right:24px}
.research-map span:nth-child(even){padding-left:24px;border-left:1px solid rgba(0,28,171,.22)}

/* Article shell */
.reading-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:250;
  background:rgba(0,28,171,.12)}
.reading-progress span{display:block;width:100%;height:100%;background:var(--insights-orange);
  transform:scaleX(0);transform-origin:left center;will-change:transform}

.article-hero{padding:170px clamp(24px,6vw,140px) 90px;border-bottom:1px solid var(--line)}
.article-hero-inner{max-width:1400px;margin:0 auto}
.article-back{display:inline-flex;align-items:center;gap:9px;margin-bottom:64px;font-size:10px;
  font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--brand)}
.article-back span{font-size:16px;transition:transform .25s}
.article-back:hover span{transform:translateX(-4px)}
.article-kicker{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:22px;
  font-size:10px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--brand)}
.article-kicker .dot{width:4px;height:4px;border-radius:50%;background:var(--insights-orange)}
.article-title{font-size:72px;line-height:.96;letter-spacing:0;max-width:1120px}
.article-deck{margin-top:38px;font-size:24px;line-height:1.42;max-width:830px;color:rgba(10,12,30,.68)}
.article-byline{display:flex;gap:32px;flex-wrap:wrap;margin-top:50px;padding-top:18px;
  border-top:1px solid var(--line);font-size:11px;line-height:1.4;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.article-byline strong{color:var(--text)}

.article-layout{max-width:1400px;margin:0 auto;padding:100px clamp(24px,6vw,140px) 130px;
  display:grid;grid-template-columns:220px minmax(0,720px) minmax(80px,1fr);gap:70px;align-items:start}
.article-toc{position:sticky;top:116px}
.article-toc-label{font-size:10px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;
  color:var(--brand);margin-bottom:20px}
.article-toc ol{list-style:none;border-top:1px solid var(--line)}
.article-toc li{border-bottom:1px solid var(--line)}
.article-toc a{display:block;padding:12px 0;font-size:12px;line-height:1.35;color:var(--muted);
  transition:color .2s,padding-left .2s}
.article-toc a:hover,.article-toc a.is-active{color:var(--brand);padding-left:8px}

.article-body{min-width:0}
.article-body .lead{font-size:23px;line-height:1.56;color:var(--text)}
.article-body p{font-size:18px;line-height:1.78;color:rgba(10,12,30,.82)}
.article-body p+p{margin-top:1.45em}
.article-body h2{margin:92px 0 28px;font-size:38px;line-height:1.1;letter-spacing:0;scroll-margin-top:120px}
.article-body h3{margin:54px 0 18px;font-size:23px;line-height:1.2;letter-spacing:0;scroll-margin-top:120px}
.article-body ul,.article-body ol{margin:24px 0 28px 1.2em}
.article-body li{padding-left:8px;font-size:18px;line-height:1.65;color:rgba(10,12,30,.82)}
.article-body li+li{margin-top:12px}
.article-body strong{color:var(--text)}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(0,28,171,.35);transition:border-color .2s}
.article-body a:hover{border-bottom-color:var(--brand)}
.article-body .article-callout{margin:66px -56px;padding:48px 56px 44px;background:var(--brand);color:#fff}
.article-body .article-callout p{margin:0;font-size:28px;line-height:1.32;color:#fff}
.article-body .article-callout .callout-label{display:block;margin-bottom:16px;line-height:1;font-size:10px;
  font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.64)}
.article-body .sources{margin-top:100px;padding-top:34px;border-top:3px solid var(--text)}
.article-body .sources h2{margin:0 0 24px;font-size:25px}
.article-body .sources li{font-size:14px;line-height:1.5}

.article-rail{position:sticky;top:116px;justify-self:end;writing-mode:vertical-rl;
  font-size:10px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--faint)}

.related{border-top:1px solid var(--line);padding:90px clamp(24px,6vw,140px) 120px}
.related-inner{max-width:1400px;margin:0 auto}
.related h2{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--brand);margin-bottom:34px}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.related-link{background:#fff;padding:34px;min-height:210px;display:flex;flex-direction:column;justify-content:space-between}
.related-link span{font-size:10px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.related-link strong{font-size:25px;line-height:1.12;letter-spacing:0;max-width:20ch}
.related-link:hover strong{color:var(--brand)}

@media(max-width:1100px){
  .insights-hero .display{font-size:72px}
  .article-layout{grid-template-columns:180px minmax(0,1fr);gap:48px}
  .article-rail{display:none}
}

@media(max-width:820px){
  .insights-hero .display{font-size:58px}
  .insights-intro-copy{font-size:30px}
  .insights-articles-label{margin-top:76px}
  .article-card{grid-template-columns:48px minmax(0,1fr)}
  .article-card-meta{grid-column:2;align-items:flex-start;flex-direction:row;justify-content:space-between}
  .research-band-inner{grid-template-columns:1fr;gap:34px}
  .article-title{font-size:54px}
  .article-deck{font-size:21px}
  .article-layout{grid-template-columns:minmax(0,1fr);width:100%;padding-top:60px}
  .article-layout>*{min-width:0}
  .article-toc{position:relative;top:auto;overflow:hidden;border-bottom:1px solid var(--line);padding-bottom:20px}
  .article-toc ol{display:flex;gap:10px;overflow-x:auto;border-top:0;padding-bottom:8px;scrollbar-width:thin}
  .article-toc li{border:1px solid var(--line);flex:0 0 auto}
  .article-toc a{padding:10px 12px;max-width:220px}
  .article-toc a:hover,.article-toc a.is-active{padding-left:12px;background:var(--insights-pale)}
  .article-body .article-callout{margin:58px 0;padding:36px 34px 32px}
}

@media(max-width:600px){
  .insights-hero{min-height:82svh;padding-left:24px;padding-right:24px}
  .insights-hero .display{font-size:43px}
  .insights-hero .hero-sub{font-size:15px}
  .insights-intro-copy{font-size:25px}
  .insights-articles-label{margin-top:64px}
  .article-card{grid-template-columns:1fr;gap:14px;padding:34px 0}
  .article-card h2{font-size:29px}
  .article-card p{font-size:15px}
  .article-card-meta{grid-column:1}
  .research-band{margin-top:80px;padding-top:60px;padding-bottom:60px}
  .research-map{grid-template-columns:1fr}
  .research-map span:nth-child(odd),.research-map span:nth-child(even){padding:16px 0;border-left:0}
  .article-hero{padding:120px 24px 60px}
  .article-back{margin-bottom:44px}
  .article-title{font-size:39px;line-height:1}
  .article-deck{font-size:18px;line-height:1.5}
  .article-byline{gap:14px 24px}
  .article-layout{padding:46px 24px 84px;gap:42px}
  .article-body .lead{font-size:20px}
  .article-body p,.article-body li{font-size:16.5px}
  .article-body h2{margin-top:72px;font-size:30px}
  .article-body h3{margin-top:44px;font-size:21px}
  .article-body .article-callout{margin-left:-24px;margin-right:-24px;padding:34px 24px 30px}
  .article-body .article-callout p{font-size:23px}
  .related{padding:64px 24px 80px}
  .related-grid{grid-template-columns:1fr}
  .related-link{min-height:180px;padding:26px}
  .related-link strong{font-size:22px}
  .insights-page .footer{padding-left:24px;padding-right:24px}
}

@media(prefers-reduced-motion:reduce){
  .article-card,.article-card h2,.read-arrow,.article-toc a{transition:none}
}