/* Insights (blog) styles — builds on site.css tokens and components */

.nav-links a.is-active{color:#fff}

/* Page hero (listing, category, post) — same dark gradient language as the landing hero */
.page-hero{position:relative;background:var(--navy-950);color:#fff;overflow:hidden;padding:150px 0 80px}
.page-hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(600px 400px at 85% 10%,rgba(124,92,255,.40),transparent 70%),
  radial-gradient(500px 360px at 70% 100%,rgba(20,184,166,.28),transparent 70%),
  radial-gradient(700px 480px at 0% 0%,rgba(67,83,255,.38),transparent 70%)}
.page-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%);pointer-events:none}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{color:#fff;font-size:clamp(34px,4.6vw,54px);font-weight:800;margin:20px 0 18px;max-width:880px}
.page-hero .lead{font-size:19px;color:rgba(224,231,255,.82);max-width:720px;font-weight:400}
.container--narrow{max-width:820px}

.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.55);margin-bottom:22px}
.breadcrumbs a{color:rgba(255,255,255,.75);transition:color .2s}
.breadcrumbs a:hover{color:#fff}
.breadcrumbs span[aria-hidden]{opacity:.5}

/* Category filter chips */
.insights-list{padding:64px 0 100px}
.cat-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px}
.chip{display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;font-family:var(--font-head);font-weight:600;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);transition:border-color .2s,color .2s,box-shadow .2s}
.chip:hover{border-color:var(--indigo);color:var(--indigo)}
.chip.is-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 22px rgba(67,83,255,.28)}
.chip-count{display:inline-grid;place-items:center;min-width:22px;height:22px;padding:0 6px;border-radius:999px;background:var(--bg-soft);color:var(--muted);font-size:12px;letter-spacing:0}
.chip.is-active .chip-count{background:rgba(255,255,255,.22);color:#fff}

/* Post grid & cards */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.post-card__media{display:grid;place-items:center;aspect-ratio:1200/630;background:var(--navy-900);overflow:hidden}
.post-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.post-card:hover .post-card__media img{transform:scale(1.03)}
.post-card__media--placeholder{position:relative;background:var(--navy-900)}
.post-card__media--placeholder::before{content:"";position:absolute;inset:0;background:radial-gradient(260px 180px at 15% 10%,rgba(67,83,255,.6),transparent 70%),radial-gradient(260px 180px at 90% 100%,rgba(20,184,166,.45),transparent 70%)}
.post-card__media--placeholder.cat-operational-excellence::before{background:radial-gradient(260px 180px at 85% 10%,rgba(124,92,255,.6),transparent 70%),radial-gradient(260px 180px at 10% 100%,rgba(20,184,166,.5),transparent 70%)}
.post-card__media--placeholder .icon{position:relative;width:44px;height:44px;color:#fff;opacity:.9}
.post-card__body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1}
.post-card h3{font-size:20px;font-weight:700;margin:14px 0 10px;line-height:1.3}
.post-card h3 a{transition:color .2s}
.post-card h3 a:hover{color:var(--indigo)}
.post-card p{font-size:15.5px;margin-bottom:18px}
.post-card .post-meta{margin-top:auto}

/* Featured (first) post on the main listing spans the full row */
.post-card--featured{grid-column:1 / -1;flex-direction:row}
.post-card--featured .post-card__media{flex:0 0 52%;aspect-ratio:auto;min-height:320px}
.post-card--featured .post-card__body{padding:40px;justify-content:center}
.post-card--featured h3{font-size:clamp(24px,2.6vw,32px)}
.post-card--featured p{font-size:17px}

.cat-tag{align-self:flex-start;display:inline-block;font-family:var(--font-head);font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:6px 12px;border-radius:999px;background:var(--grad-soft);color:var(--indigo);border:1px solid rgba(67,83,255,.16);transition:border-color .2s}
.cat-tag:hover{border-color:var(--indigo)}
.cat-tag.cat-operational-excellence{background:rgba(20,184,166,.10);color:#0d9488;border-color:rgba(20,184,166,.24)}
.cat-tag--dark,.cat-tag--dark.cat-operational-excellence{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#c7d2fe}
.cat-tag--dark.cat-operational-excellence{color:#5eead4}

.post-meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14px;color:var(--muted)}
.post-meta span{display:inline-flex;align-items:center;gap:6px}
.post-meta .icon{width:16px;height:16px}
.post-meta--dark{color:rgba(255,255,255,.62);margin-top:26px}
.post-meta--dark .icon{color:var(--teal)}

.empty{padding:40px;border:2px dashed #c7d2fe;border-radius:var(--radius);text-align:center;background:var(--bg-soft);color:var(--muted)}
.empty a{color:var(--indigo);text-decoration:underline}

/* Single post */
.post-hero{padding-bottom:70px}
.post-hero .cat-tag{margin-bottom:4px}
.post-body{padding:56px 0 90px}
.post-cover{margin:0 0 44px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.post-cover img{display:block;width:100%;height:auto}

.prose{font-size:18px;line-height:1.75;color:var(--body)}
.prose > * + *{margin-top:1.15em}
.prose h2{font-size:clamp(24px,2.6vw,30px);font-weight:800;margin-top:1.9em;scroll-margin-top:100px}
.prose h3{font-size:21px;font-weight:700;margin-top:1.6em}
.prose h2 + *,.prose h3 + *{margin-top:.6em}
.prose a{color:var(--indigo);text-decoration:underline;text-underline-offset:3px}
.prose strong{color:var(--ink)}
.prose ul,.prose ol{padding-left:1.4em}
.prose li + li{margin-top:.45em}
.prose ul li::marker{color:var(--violet)}
.prose ol li::marker{color:var(--indigo);font-weight:700}
.prose blockquote{padding:18px 22px;border-left:3px solid var(--violet);background:var(--grad-soft);border-radius:0 12px 12px 0;color:var(--ink);font-weight:500}
.prose img{max-width:100%;height:auto;border-radius:14px}
.prose hr{border:0;height:1px;background:var(--line);margin:2.2em 0}
.prose table{width:100%;border-collapse:collapse;font-size:16px}
.prose th,.prose td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
.prose th{color:var(--ink);font-family:var(--font-head)}
.prose code{font-size:.9em;background:var(--bg-soft);padding:2px 6px;border-radius:6px}

.post-cta{margin-top:56px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:28px 30px;border-radius:var(--radius);background:var(--grad-soft);border:1px solid rgba(67,83,255,.15)}
.post-cta h2{font-size:21px;margin-bottom:6px}
.post-cta p{font-size:15.5px}
.back-link{display:inline-flex;align-items:center;gap:8px;margin-top:36px;font-family:var(--font-head);font-weight:600;color:var(--indigo)}
.back-link .icon{width:18px;height:18px;transition:transform .2s}
.back-link:hover .icon{transform:translateX(-3px)}

.related .section-head{margin-bottom:36px}
.related + .final{padding-top:100px}
.insights-page .final{padding-bottom:100px}

/* Responsive */
@media (max-width:960px){
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .post-card--featured{flex-direction:column}
  .post-card--featured .post-card__media{flex:none;aspect-ratio:1200/630;min-height:0}
  .post-card--featured .post-card__body{padding:28px}
  .page-hero{padding:130px 0 64px}
}
@media (max-width:640px){
  .post-grid{grid-template-columns:1fr}
  .insights-list{padding:44px 0 72px}
  .prose{font-size:17px}
  .post-body{padding:40px 0 72px}
  .post-cta{padding:22px}
  .post-cta .btn{width:100%}
  .chip{padding:9px 14px;font-size:12px}
}