/* ============================================================
   THE AUDIT HUB, article.css
   Styles for individual insight article pages
   ============================================================ */

/* Article hero */
.article-hero {
  background: var(--navy);
  padding-block: clamp(48px, 6vw, 72px);
  position: relative;
  overflow: hidden;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 90% 50%, rgba(11,123,99,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.article-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
}
.article-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
  margin-bottom: 4px;
}
.article-back:hover { color: var(--white); }
.article-hero__title {
  color: var(--white);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  line-height: 1.2;
  margin-bottom: 20px;
}
.article-hero__meta {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}
.article-hero__date,
.article-hero__author {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}
.article-hero__author::before {
  content: '·';
  margin-right: 16px;
}

/* Article layout */
.article-body { padding-block: clamp(48px, 6vw, 72px); }
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 56px;
  align-items: start;
}

/* Article prose */
.prose-article { max-width: 680px; }
.article-lead {
  font-size: 1.12rem;
  color: var(--text-primary);
  line-height: 1.75;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
  font-weight: 400;
}
.prose-article h2 {
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  color: var(--navy);
  margin-top: 40px;
  margin-bottom: 14px;
  font-weight: 500;
}
.prose-article h2:first-child { margin-top: 0; }
.prose-article p {
  font-size: 0.975rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 18px;
}
.prose-article p strong {
  color: var(--text-primary);
  font-weight: 500;
}
.prose-article p:last-child { margin-bottom: 0; }
.prose-article ul {
  margin: 16px 0 20px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.prose-article li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}
.prose-article li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--teal);
  flex-shrink: 0;
  margin-top: 9px;
}

/* Sidebar */
.article-sidebar { position: sticky; top: 88px; }
.sidebar-block {
  background: var(--mist);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.sidebar-block__title {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 10px;
}
.sidebar-block__text {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Author bio */
.article-author {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 36px 0;
  margin-top: 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  max-width: 760px;
}
.author-name {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 3px;
}
.author-role {
  font-size: 0.85rem;
  color: var(--teal);
  font-weight: 500;
  margin-bottom: 10px;
}
.author-bio {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* Prev/next navigation */
.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-top: 36px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.article-nav__prev,
.article-nav__next {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--teal);
  max-width: 320px;
  line-height: 1.4;
  transition: color 0.2s;
}
.article-nav__prev:hover,
.article-nav__next:hover { color: var(--navy); }
.article-nav__next { text-align: right; margin-left: auto; }

/* Responsive */
@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .article-sidebar .sidebar-block:first-child { margin-top: 0; }
}
@media (max-width: 600px) {
  .article-sidebar { grid-template-columns: 1fr; }
  .article-author { flex-direction: column; gap: 20px; }
  .article-nav { flex-direction: column; }
  .article-nav__next { text-align: left; margin-left: 0; }
}