/* Article listing + reading pages. Loaded after style.css / center.css and
   reuses the site's colour tokens. Mobile first. */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.a-main{background:var(--paper);min-height:60vh;color:var(--ink)}
.a-wrap{width:min(1160px,100% - 32px);margin-inline:auto}
.a-wrap--narrow{width:min(780px,100% - 32px)}

/* breadcrumbs / chip */
.a-crumbs{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:14px;color:var(--sage);margin-bottom:14px}
.a-crumbs a{color:var(--pine);text-decoration:none}.a-crumbs a:hover{text-decoration:underline}
.a-chip{display:inline-block;background:var(--leaf-light);color:var(--pine);font-size:13px;font-weight:700;padding:4px 12px;border-radius:99px}

/* ---------- list page ---------- */
.a-hero{background:linear-gradient(135deg,var(--pine-dark),var(--pine) 60%,#2b7a5c);color:#fff;padding:40px 0 64px;position:relative}
.a-hero .a-crumbs,.a-hero .a-crumbs a{color:rgba(255,255,255,.8)}
.a-hero h1{font-size:clamp(26px,5vw,42px);font-weight:800;line-height:1.35;margin:0 0 10px}
.a-hero p{max-width:640px;margin:0;opacity:.92;line-height:1.9;font-size:16px}
.a-tools{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.a-search input{width:100%;max-width:420px;border:0;border-radius:99px;padding:13px 20px;font:inherit;background:#fff;color:var(--ink);box-shadow:var(--shadow-soft)}
.a-search input:focus{outline:3px solid var(--amber)}
.a-filters{display:flex;flex-wrap:wrap;gap:8px}
.a-filters button{font:inherit;font-size:14px;cursor:pointer;border:1px solid rgba(255,255,255,.35);background:transparent;color:#fff;border-radius:99px;padding:6px 16px;transition:.2s}
.a-filters button:hover{background:rgba(255,255,255,.15)}
.a-filters button.is-active{background:#fff;color:var(--pine);border-color:#fff;font-weight:700}
.a-listing{margin-top:-36px;padding-bottom:64px;position:relative}
.a-grid{display:grid;grid-template-columns:1fr;gap:22px}
.a-card{display:flex;flex-direction:column;background:#fff;border-radius:var(--radius-lg);overflow:hidden;color:inherit;text-decoration:none;box-shadow:var(--shadow-soft);transition:transform .25s,box-shadow .25s}
.a-card:hover,.a-card:focus-visible{transform:translateY(-5px);box-shadow:var(--shadow-lift)}
.a-card:focus-visible{outline:3px solid var(--amber)}
.a-card-media{display:block;aspect-ratio:1200/630;background:var(--leaf-light);overflow:hidden}
.a-card-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.a-card:hover .a-card-media img{transform:scale(1.04)}
.a-card-placeholder{display:block;width:100%;height:100%;background:linear-gradient(135deg,var(--pine),var(--leaf))}
.a-card-body{display:flex;flex-direction:column;gap:10px;padding:18px 20px 20px;flex:1}
.a-card-body h2{font-size:18px;line-height:1.6;margin:0;color:var(--pine-dark);font-weight:800}
.a-card-body p{margin:0;font-size:14.5px;line-height:1.9;color:#4b5a52;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.a-card-meta{margin-top:auto;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--sage);padding-top:6px;border-top:1px solid #edf0ea}
.a-more{color:var(--leaf);font-weight:700}
.a-card[hidden]{display:none}
.a-empty{text-align:center;color:var(--sage);padding:40px 0}
@media(min-width:640px){.a-grid{grid-template-columns:repeat(2,1fr)}.a-tools{flex-direction:row;align-items:center;justify-content:space-between}.a-search{flex:0 0 320px}}
@media(min-width:960px){
  .a-grid{grid-template-columns:repeat(3,1fr);gap:26px}
  .a-card--featured{grid-column:1/-1;flex-direction:row}
  .a-card--featured .a-card-media{flex:1.25;aspect-ratio:auto;min-height:340px}
  .a-card--featured .a-card-body{flex:1;justify-content:center;padding:32px 36px;gap:14px}
  .a-card--featured h2{font-size:26px}
  .a-card--featured p{font-size:16px;-webkit-line-clamp:5}
}

/* ---------- reading page ---------- */
.a-progress{position:fixed;top:0;inset-inline:0;height:3px;transform-origin:right;transform:scaleX(0);background:var(--leaf);z-index:100}
.a-head{background:#fff;padding:34px 0 28px;border-bottom:1px solid #e6eae2}
.a-head h1{font-size:clamp(24px,4.6vw,38px);line-height:1.55;font-weight:800;color:var(--pine-dark);margin:14px 0 12px}
.a-lead{font-size:17px;line-height:2;color:#4b5a52;margin:0 0 16px}
.a-byline{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--sage)}
.a-dot{opacity:.6}
.a-wrap--cover{margin-top:26px}
.a-cover{width:100%;height:auto;border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);display:block;aspect-ratio:1200/630;object-fit:cover}
.a-layout{display:block;padding:34px 0 20px}
.a-side{margin-bottom:22px}
.a-toc{background:#fff;border:1px solid #e3e8df;border-radius:var(--radius-md);padding:16px 20px}
.a-toc-title{margin:0 0 8px;font-weight:800;color:var(--pine)}
.a-toc ol{margin:0;padding-inline-start:20px;display:grid;gap:6px;font-size:14.5px;line-height:1.7}
.a-toc a{color:#3b4a42;text-decoration:none}.a-toc a:hover,.a-toc a.is-current{color:var(--leaf);font-weight:700}
.a-share{margin-top:12px}
.a-share button{font:inherit;font-size:14px;cursor:pointer;background:transparent;border:1px dashed var(--sage);color:var(--pine);border-radius:99px;padding:7px 16px}
.a-share button:hover{background:var(--leaf-light)}
.a-content{background:#fff;border-radius:var(--radius-lg);padding:26px 20px;box-shadow:var(--shadow-soft);font-size:17px;line-height:2.15;min-width:0}
.a-content>*:first-child{margin-top:0}
.a-content p{margin:0 0 1.15em}
.a-content h2{font-size:clamp(20px,3.4vw,25px);line-height:1.7;margin:1.9em 0 .6em;color:var(--pine-dark);font-weight:800;padding-inline-start:14px;border-inline-start:4px solid var(--leaf);scroll-margin-top:84px}
.a-content ul,.a-content ol{margin:0 0 1.2em;padding-inline-start:26px;display:grid;gap:.35em}
.a-content li::marker{color:var(--leaf);font-weight:700}
.a-content strong{color:var(--pine-dark)}
.a-content figure{margin:1.6em 0;text-align:center}
.a-content figure img{max-width:min(100%,520px);height:auto;border-radius:var(--radius-md);box-shadow:var(--shadow-soft)}
.a-content figcaption{font-size:14px;color:var(--sage);margin-top:8px;line-height:1.7}
.a-content p[dir=ltr]{text-align:left;line-height:1.85}
.a-video{width:100%;border-radius:var(--radius-md);margin-bottom:1.4em;background:#000}
.callout{background:var(--leaf-light);border:1px solid #cfe7d8;border-inline-start:5px solid var(--leaf);border-radius:var(--radius-md);padding:16px 20px;margin:1.6em 0;line-height:2}
.callout>*:last-child{margin-bottom:0}
.callout-title{font-weight:800;color:var(--pine);margin:0 0 .4em!important}
.a-cta{margin:2.4em 0 1em;padding:26px 24px;border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--pine),#2b7a5c);color:#fff}
.a-cta h2{color:#fff;border:0;padding:0;margin:0 0 8px;font-size:22px}
.a-cta p{color:rgba(255,255,255,.92);margin-bottom:16px}
.a-cta-actions{display:flex;flex-wrap:wrap;gap:10px}
.a-btn{display:inline-block;text-decoration:none;font-weight:700;font-size:15px;border-radius:99px;padding:10px 22px;border:2px solid #fff;color:#fff;transition:.2s}
.a-btn:hover{background:rgba(255,255,255,.15)}
.a-btn--solid{background:#fff;color:var(--pine)}.a-btn--solid:hover{background:var(--leaf-light)}
.a-disclaimer{font-size:13px;color:var(--sage);line-height:1.9;margin:1em 0 0!important}
.a-pn{display:grid;gap:12px;padding:10px 0 30px}
.a-pn-link{display:block;background:#fff;border-radius:var(--radius-md);padding:14px 18px;text-decoration:none;color:var(--pine-dark);box-shadow:var(--shadow-soft)}
.a-pn-link small{display:block;color:var(--sage);margin-bottom:4px}.a-pn-link span{font-weight:700;line-height:1.7}
.a-pn-link--next{text-align:start}
.a-pn-link:hover{box-shadow:var(--shadow-lift)}
.a-related{background:#fff;padding:40px 0 56px;border-top:1px solid #e6eae2}
.a-related h2{margin:0 0 22px;color:var(--pine-dark)}
@media(min-width:720px){.a-pn{grid-template-columns:1fr 1fr}.a-content{padding:38px 44px}}
@media(min-width:1020px){
  .a-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:30px;align-items:start}
  .a-side{position:sticky;top:90px;margin:0;order:0}
  .a-toc ol{max-height:60vh;overflow:auto}
}
@media(prefers-reduced-motion:reduce){.a-card,.a-card-media img{transition:none}.a-card:hover{transform:none}}
@media print{.site-nav,.site-footer,.a-side,.a-cta,.a-related,.a-pn,.a-progress,.a-hero .a-tools{display:none!important}.a-content{box-shadow:none;padding:0}}