/* Article detail — editorial layout, desktop/tablet refinement */

body.article-page {
  overflow-x: hidden;
}

body.article-page .article-page-wrap {
  box-sizing: border-box;
  width: 100%;
  max-width: min(1080px, 100%);
  margin: 0 auto;
  padding: clamp(20px, 3vw, 36px) clamp(16px, 4vw, 28px) clamp(40px, 6vh, 72px);
  flex: 1;
  min-width: 0;
}

.article-breadcrumbs {
  margin: 0 0 clamp(16px, 2.5vh, 28px);
  font-size: 13px;
  color: #64748b;
  line-height: 1.4;
}

.article-breadcrumbs a {
  color: #0f766e;
  text-decoration: none;
}

.article-breadcrumbs a:hover {
  text-decoration: underline;
}

.article-breadcrumbs .sep {
  margin: 0 0.35em;
  color: #94a3b8;
}

.article-breadcrumbs .current {
  color: #475569;
}

/* Hero: title + deck + TOC | featured image */
.article-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 38%);
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
  margin: 0 0 clamp(28px, 4vh, 44px);
}

.article-hero--no-image {
  grid-template-columns: 1fr;
}

.article-hero-content {
  min-width: 0;
}

.article-title {
  margin: 0 0 10px;
  font-size: clamp(1.5rem, 2.2vw + 0.9rem, 2.125rem);
  line-height: 1.2;
  color: #0f172a;
  letter-spacing: -0.02em;
}

.article-deck {
  margin: 0 0 clamp(16px, 2vh, 22px);
  font-size: clamp(0.95rem, 0.5vw + 0.85rem, 1.0625rem);
  line-height: 1.55;
  color: #475569;
}

.article-byline {
  margin: 0 0 16px;
  font-size: 13px;
  color: #64748b;
}

.article-toc {
  margin: 0;
  padding: clamp(14px, 2vw, 18px) clamp(16px, 2.5vw, 20px);
  background: rgba(224, 242, 254, 0.55);
  border: 1px solid rgba(14, 116, 144, 0.12);
  border-radius: 10px;
}

.article-toc-title {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 600;
  color: #0f766e;
  text-transform: none;
  letter-spacing: 0;
}

.article-toc ol {
  margin: 0;
  padding: 0 0 0 1.15em;
  font-size: 14px;
  line-height: 1.5;
}

.article-toc li {
  margin: 0 0 6px;
}

.article-toc li:last-child {
  margin-bottom: 0;
}

.article-toc a {
  color: #0f766e;
  text-decoration: none;
}

.article-toc a:hover {
  text-decoration: underline;
}

.article-hero-media {
  margin: 0;
  min-width: 0;
  border-radius: 12px;
  overflow: hidden;
  background: #f1f5f9;
  align-self: start;
}

.article-hero-media img,
.article-featured-img {
  display: block;
  width: 100%;
  height: auto;
  max-height: min(36vh, 340px);
  object-fit: contain;
  object-position: center top;
  border-radius: 12px;
}

/* Reading column */
.article-body-wrap {
  max-width: min(720px, 100%);
}

.article-body.cms-body {
  line-height: 1.65;
  color: #334155;
  font-size: clamp(15px, 0.25vw + 14px, 17px);
}

.article-body.cms-body p {
  margin: 0 0 1em;
}

.article-body.cms-body h2 {
  font-size: clamp(1.1rem, 0.5vw + 1rem, 1.35rem);
  margin: 1.5em 0 0.5em;
  color: #0f172a;
  scroll-margin-top: 88px;
}

.article-body.cms-body h3 {
  font-size: 1.1rem;
  margin: 1.25em 0 0.4em;
  color: #0f172a;
}

.article-body.cms-body ul,
.article-body.cms-body ol {
  margin: 0 0 1em 1.25em;
}

.article-body.cms-body img,
.article-body.cms-body video,
.article-body.cms-body iframe {
  max-width: 100%;
  height: auto;
}

.article-body.cms-body table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.article-not-found {
  text-align: center;
  padding: 60px 20px;
  color: #64748b;
}

.article-not-found a {
  color: #0f766e;
}

#articleDetail.hidden,
#articleNotFound.hidden {
  display: none;
}

body.article-page .site-footer {
  margin-top: clamp(28px, 4vh, 48px);
}

/* Smaller laptops / short viewports */
@media (max-width: 1280px) {
  .article-hero-media img,
  .article-featured-img {
    max-height: min(32vh, 300px);
  }
}

@media (max-width: 1280px) and (min-width: 881px) {
  .article-hero {
    grid-template-columns: minmax(0, 1fr) minmax(200px, 34%);
    gap: clamp(16px, 2vw, 24px);
  }
}

@media (max-width: 880px) {
  .article-hero {
    grid-template-columns: 1fr;
    gap: clamp(18px, 2.5vh, 24px);
  }

  .article-hero-media {
    order: -1;
    max-width: 100%;
  }

  .article-hero-media img,
  .article-featured-img {
    max-height: min(32vh, 280px);
  }
}

@media (max-height: 768px) and (min-width: 769px) {
  body.article-page .article-page-wrap {
    padding-top: 16px;
    padding-bottom: 40px;
  }

  .article-breadcrumbs {
    margin-bottom: 12px;
  }

  .article-hero {
    margin-bottom: 24px;
    gap: 16px;
  }

  .article-title {
    font-size: clamp(1.35rem, 2vw + 0.75rem, 1.75rem);
  }

  .article-hero-media img,
  .article-featured-img {
    max-height: min(24vh, 220px);
  }

  .article-toc {
    padding: 12px 14px;
  }

  .article-toc ol {
    font-size: 13px;
  }
}

/* Tablet */
@media (max-width: 768px) {
  .article-hero-media {
    max-width: 100%;
  }

  .article-hero-media img,
  .article-featured-img {
    max-height: min(40vw, 240px);
  }

  .article-body-wrap {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .article-breadcrumbs {
    font-size: 12px;
  }

  .article-toc ol {
    font-size: 13px;
  }
}

/* Split-screen / narrow desktop width */
@media (max-width: 900px) and (min-width: 601px) {
  .article-hero-media img,
  .article-featured-img {
    max-height: min(26vh, 240px);
  }
}