/* ============================================================
   ARTICLE PAGE — page-specific styles
   Layout: breadcrumb + article header + inline ToC + body +
   sticky ToC rail + author + prev/next + related articles.
   Shared by every article across all 4 resource categories.
   Kept separate from styles.css to avoid conflicts with
   parallel page conversions.
   ============================================================ */

/* ---------- BREADCRUMB (same pattern as category pages) ---------- */
.sec-art-breadcrumb{ padding: 24px var(--pad-desktop) 0; }
.breadcrumb{
  display:flex; align-items:center; gap:8px; flex-wrap:wrap;
  font-family: var(--font-body); font-size: 14px; color: var(--text);
}
.breadcrumb a{ color: var(--secondary); }
.breadcrumb a:hover{ text-decoration: underline; }
.breadcrumb .sep{ opacity:.5; }
.breadcrumb .current{ font-weight:600; }

/* ---------- TWO-COLUMN LAYOUT: article + sticky rail ---------- */
.sec-art-layout{
  padding: 20px var(--pad-desktop) var(--space-section);
  display:grid;
  grid-template-columns: 1fr 300px;
  gap: 56px;
  align-items:start;
  max-width: 1320px;
  margin: 0 auto;
}

/* ---------- ARTICLE HEAD ---------- */
.art-eyebrow{
  display:inline-block; font-family: var(--font-body); font-size:13px; font-weight:600;
  color: var(--secondary); text-transform:uppercase; letter-spacing:.05em; margin-bottom:14px;
}
.art-title{ margin-bottom:18px; }
.art-meta-row{
  display:flex; align-items:center; gap:12px; flex-wrap:wrap;
  font-family: var(--font-body); font-size:14px; color: var(--text); opacity:.8; margin-bottom:28px;
}
.art-avatar{ width:34px; height:34px; border-radius:50%; }
.art-meta-row .sep{ opacity:.6; }

.art-hero-photo{
  width:100%; aspect-ratio:16/8; object-fit:cover;
  border-radius:20px; margin-bottom:32px; display:block;
}

/* ---------- INLINE TOC ---------- */
.art-toc{
  background: var(--white); border:1px solid #CCCCCC; border-radius:16px;
  padding:22px 26px; margin-bottom:36px;
}
.art-toc-title{
  font-family: var(--font-display); font-size:14px; font-weight:700;
  text-transform:uppercase; letter-spacing:.06em; color: var(--text); margin:0 0 12px;
}
.art-toc ol{ margin:0; padding-left:20px; display:flex; flex-direction:column; gap:6px; }
.art-toc li{ font-family: var(--font-body); font-size:15px; }
.art-toc a{ color: var(--secondary); }
.art-toc a:hover{ text-decoration:underline; }

/* ---------- ARTICLE BODY TYPOGRAPHY ---------- */
.art-body{ max-width: 720px; }
.art-body h2{
  font-family: var(--font-display); font-size: clamp(22px,2vw,28px); font-weight:600;
  color: var(--text); margin: 40px 0 16px; scroll-margin-top: 24px;
}
.art-body p{
  font-family: var(--font-body); font-size: clamp(16px,1.2vw,18px); color: var(--text);
  line-height:1.7; margin: 0 0 16px;
}
.art-inline-img{
  width:100%; aspect-ratio:16/7; object-fit:cover; border-radius:16px; margin: 24px 0;
}
.art-quote{
  border-left:3px solid var(--secondary); padding: 4px 0 4px 22px; margin: 28px 0;
}
.art-quote p{
  font-family: var(--font-display); font-style:italic; font-size: clamp(19px,1.6vw,23px);
  color: var(--text); margin:0; line-height:1.45;
}
.internal-link{ color: var(--secondary); text-decoration: underline; }

/* ---------- AUTHOR BIO ---------- */
.art-author{
  display:flex; gap:18px; align-items:center; max-width:720px;
  background: var(--bg-cream); border:1px solid #CCCCCC; border-radius:20px;
  padding:22px 24px; margin: 44px 0 32px;
}
.art-author-avatar{ width:60px; height:60px; border-radius:50%; flex-shrink:0; }
.art-author-name{ font-family: var(--font-display); font-weight:700; font-size:16px; color: var(--text); margin:0 0 4px; }
.art-author-bio{ font-family: var(--font-body); font-size:14px; color: var(--text); opacity:.85; margin:0; }

/* ---------- PREV / NEXT ---------- */
.art-prevnext{
  display:grid; grid-template-columns:1fr 1fr; gap:20px; max-width:720px; margin-bottom:48px;
}
.art-pn-card{
  border:1px solid #CCCCCC; border-radius:16px; padding:18px 20px;
  display:flex; flex-direction:column; gap:6px; transition: border-color .2s;
}
.art-pn-card:hover{ border-color: var(--secondary); }
.art-pn-card.is-next{ text-align:right; align-items:flex-end; }
.art-pn-label{
  font-family: var(--font-body); font-size:12px; font-weight:600; color: var(--secondary);
  text-transform:uppercase; letter-spacing:.05em;
}
.art-pn-title{ font-family: var(--font-display); font-size:16px; font-weight:600; color: var(--text); }

/* ---------- RELATED ARTICLES ---------- */
.art-related{ max-width:1320px; margin:0 auto; padding: 0 var(--pad-desktop) var(--space-section); }
.art-related-title{ margin-bottom:20px; }
.art-related-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:24px; }
.art-related-card{ display:flex; flex-direction:column; height:100%; }
.art-related-photo{
  aspect-ratio:4/3; border-radius:16px 16px 0 0; background-size:cover; background-position:center;
  flex-shrink:0; overflow:hidden;
}
.art-related-body{
  background: var(--white); border:1px solid #CCCCCC; border-top:none;
  border-radius:0 0 16px 16px; padding:16px 18px;
  flex:1; /* fill the card so all three end at the same height */
}
.art-related-eyebrow{
  font-family: var(--font-body); font-size:12px; font-weight:600; color: var(--secondary);
  text-transform:uppercase; letter-spacing:.04em; margin-bottom:6px; display:block;
}
.art-related-body-title{ font-family: var(--font-display); font-size:17px; font-weight:600; color: var(--text); margin:0; }
.art-related-body-title a{ color:inherit; }
.art-related-body-title a:hover{ color: var(--secondary); }

/* ---------- STICKY RIGHT RAIL ---------- */
.art-rail{ position: sticky; top: var(--sticky-top); display:flex; flex-direction:column; gap:20px; }
.art-rail-card{
  background: var(--white); border:1px solid #CCCCCC; border-radius:16px; padding:20px 22px;
}
.art-rail-title{
  font-family: var(--font-display); font-size:13px; font-weight:700;
  text-transform:uppercase; letter-spacing:.06em; color: var(--text); margin:0 0 12px;
}
.art-rail-card ol{ margin:0; padding-left:18px; display:flex; flex-direction:column; gap:8px; }
.art-rail-card li{ font-family: var(--font-body); font-size:14px; }
.art-rail-card a:not(.btn){ color: var(--secondary); }
.art-rail-card a:not(.btn):hover{ text-decoration:underline; }
.art-rail-cta{ text-align:center; }
.art-rail-cta p{ font-family: var(--font-body); font-size:14px; color: var(--text); margin:0 0 14px; }
.art-rail-cta .btn{ width:100%; padding:12px 20px; border-radius:14px; font-size:15px; color: var(--white); }

/* ---------- RESPONSIVE ---------- */
/* Desktop: the sticky rail carries the ToC, so hide the inline copy.
   At <=1024px the rail drops below the article and hides its copy instead. */
@media (min-width: 1025px){
  .art-toc{ display:none; }
}
@media (max-width: 1024px){
  .sec-art-layout{ grid-template-columns:1fr; }
  .art-rail{ position:static; }
  .art-rail .art-rail-card:first-child{ display:none; } /* duplicate of the inline ToC */
  .art-related-grid{ grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 720px){
  .sec-art-breadcrumb{ padding: 20px var(--pad-mobile) 0; }
  .sec-art-layout{ padding: 16px var(--pad-mobile) 60px; gap:28px; }
  .art-prevnext{ grid-template-columns:1fr; }
  .art-pn-card.is-next{ text-align:left; align-items:flex-start; }
  .art-related{ padding: 0 var(--pad-mobile) 60px; }
  .art-related-grid{ grid-template-columns:1fr; }
  .art-author{ flex-direction:column; text-align:center; }
}