/* ─── ARTICLE PAGE STYLES ─────────────────────────────── */
/* Shared by all insight article pages                      */

/* Hero --------------------------------------------------- */
.article-hero {
  position: relative;
  height: 58vh;
  min-height: 380px;
  max-height: 640px;
  overflow: hidden;
  margin-top: var(--nav-h);
}

.article-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.article-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(9, 9, 11, 0.1) 0%,
    rgba(9, 9, 11, 0.25) 40%,
    rgba(9, 9, 11, 0.72) 80%,
    rgba(9, 9, 11, 0.88) 100%
  );
}

.article-hero-meta {
  position: absolute;
  bottom: 2.5rem;
  left: 0;
  right: 0;
}

.article-hero-meta .container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Breadcrumb --------------------------------------------- */
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 1rem;
}

.article-breadcrumb a {
  color: inherit;
  transition: color 0.2s;
}

.article-breadcrumb a:hover {
  color: var(--accent);
}

.article-breadcrumb .sep {
  font-size: 0.65rem;
  opacity: 0.5;
}

/* Article header ----------------------------------------- */
.article-header {
  padding: clamp(2.5rem, 5vw, 4rem) 0 2.5rem;
  border-bottom: 1px solid var(--border);
  max-width: 800px;
}

.article-header .insight-tag {
  position: static;
  display: inline-flex;
  margin-bottom: 1.25rem;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.article-header h1 {
  font-size: clamp(1.9rem, 4.5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.article-byline {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.byline-author {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.byline-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}

.byline-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.byline-role {
  font-size: 0.75rem;
  color: var(--text-2);
}

.byline-divider {
  width: 1px;
  height: 28px;
  background: var(--border);
  flex-shrink: 0;
}

.byline-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.78rem;
  color: var(--text-2);
}

.byline-meta span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.byline-meta .material-symbols-outlined {
  font-size: 0.95rem;
  color: var(--accent);
}

/* Two-column layout -------------------------------------- */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: clamp(3rem, 6vw, 5.5rem);
  padding: clamp(2.5rem, 5vw, 4rem) 0 clamp(3rem, 6vw, 6rem);
  align-items: start;
}

/* Prose -------------------------------------------------- */
.article-prose {
  min-width: 0;
}

.article-prose .lead {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 2rem;
  font-weight: 400;
}

.article-prose h2 {
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-top: 2.75rem;
  margin-bottom: 1rem;
  line-height: 1.22;
}

.article-prose h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.article-prose p {
  font-size: 0.97rem;
  color: var(--text-2);
  line-height: 1.88;
  margin-bottom: 1.35rem;
}

.article-prose p:last-child {
  margin-bottom: 0;
}

.article-prose ul,
.article-prose ol {
  padding-left: 1.5rem;
  margin-bottom: 1.35rem;
}

.article-prose li {
  font-size: 0.97rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 0.5rem;
}

/* Pull quote */
.article-prose blockquote {
  margin: 2.5rem 0;
  padding: 1.75rem 2rem;
  border-left: 3px solid var(--accent);
  background: var(--bg-alt);
  border-radius: 0 12px 12px 0;
}

.article-prose blockquote p {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  font-weight: 600;
  color: var(--text);
  line-height: 1.6;
  margin: 0;
  font-style: italic;
  letter-spacing: -0.01em;
}

.article-prose blockquote cite {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  font-style: normal;
  color: var(--accent);
  margin-top: 0.75rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* Inline figure */
.article-prose figure {
  margin: 2.5rem 0;
  border-radius: var(--radius);
  overflow: hidden;
}

.article-prose figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
}

.article-prose figcaption {
  font-size: 0.75rem;
  color: var(--text-2);
  margin-top: 0.65rem;
  line-height: 1.5;
  font-style: italic;
  padding-inline: 0.25rem;
}

/* Key takeaways box */
.key-highlights {
  margin: 2.5rem 0;
  padding: 1.75rem 2rem;
  border: 1px solid rgba(13, 195, 161, 0.2);
  border-radius: var(--radius);
  background: rgba(13, 195, 161, 0.04);
}

.key-highlights h4 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.key-highlights ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.key-highlights li {
  font-size: 0.88rem;
  color: var(--text);
  font-weight: 500;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  line-height: 1.55;
  margin: 0;
}

.key-highlights li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 0.42em;
}

/* Sidebar ------------------------------------------------ */
.article-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
}

.sidebar-card-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

/* Share buttons */
.share-btns {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.share-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.85rem;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-2);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  text-decoration: none;
}

.share-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(13, 195, 161, 0.04);
}

.share-btn .material-symbols-outlined {
  font-size: 1rem;
}

/* Sidebar meta */
.sidebar-meta-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sidebar-meta-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.8rem;
  gap: 0.5rem;
}

.sidebar-meta-item .meta-key {
  color: var(--text-2);
}

.sidebar-meta-item .meta-val {
  font-weight: 600;
  color: var(--text);
  text-align: right;
}

/* Sidebar mini related */
.sidebar-related-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sidebar-related-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  color: inherit;
  transition: opacity 0.2s;
}

.sidebar-related-item:hover {
  opacity: 0.75;
}

.sidebar-related-thumb {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.sidebar-related-info {
  flex: 1;
  min-width: 0;
}

.sidebar-related-info time {
  font-size: 0.7rem;
  color: var(--text-2);
}

.sidebar-related-info p {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Related articles section ------------------------------- */
.article-related {
  padding: clamp(3rem, 6vw, 5rem) 0;
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
}

.article-related-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
  flex-wrap: wrap;
}

.article-related-header h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

/* Responsive -------------------------------------------- */
@media (max-width: 900px) {
  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    position: static;
  }

  .article-hero {
    height: 45vh;
  }
}

@media (max-width: 640px) {
  .article-hero {
    height: 38vh;
    min-height: 260px;
  }

  .article-byline {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .byline-divider {
    display: none;
  }
}