/* ============================================================
   PYEK FINANCIAL — Insights Styles
   Article reading layout, hub listing, topic filters
   Version: 1.0
   ============================================================ */

/* ============================================================
   INSIGHTS HUB — Article Listing Page
   ============================================================ */
.insights-hub__header {
  margin-bottom: var(--space-2xl);
}
.insights-hub__header h1 {
  margin-bottom: var(--space-sm);
}
.insights-hub__header .lead {
  margin-bottom: var(--space-xl);
}

/* Topic Filter Tabs */
.topic-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border-light);
  padding-bottom: var(--space-md);
}
.topic-filter {
  font-family: var(--font-heading);
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: none;
  border: none;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.topic-filter:hover {
  color: var(--color-navy);
  background-color: var(--color-surface);
}
.topic-filter.is-active {
  color: var(--color-blue);
  background-color: rgba(0, 129, 185, 0.08);
  font-weight: 600;
}

/* Insights Filter Bar */
.insights-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}
.filter-btn {
  background: none;
  border: 1.5px solid var(--color-border);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.filter-btn:hover {
  color: var(--color-navy);
  border-color: var(--color-navy);
}
.filter-btn.is-active {
  color: var(--color-white);
  background-color: var(--color-blue);
  border-color: var(--color-blue);
}

/* Article Grid */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--gutter);
}

/* Featured Article (larger, first in grid) */
.article-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  padding: var(--space-xl);
}
.article-card--featured .article-card__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.article-card--featured .article-card__title {
  font-size: var(--text-h3);
}
.article-card--featured .article-card__excerpt {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  margin-top: var(--space-sm);
}

@media (max-width: 768px) {
  .article-card--featured {
    grid-template-columns: 1fr;
  }
}


/* ============================================================
   ARTICLE PAGE — Reading Layout
   ============================================================ */
.article-layout {
  display: grid;
  grid-template-columns: 1fr min(720px, 100%) 1fr;
  padding: var(--space-3xl) var(--gutter);
}
.article-layout > * {
  grid-column: 2;
}

/* Article Header */
.article-header {
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border-light);
}
.article-header .overline {
  margin-bottom: var(--space-md);
}
.article-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
  max-width: 640px;
  margin-bottom: var(--space-md);
}
.article-header .lead {
  max-width: 600px;
}

/* Article Meta (author, date, reading time) */
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
.article-meta__item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-small);
  color: var(--color-text-muted);
}
.article-meta__divider {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--color-border);
}

/* Article Body — optimized reading typography */
.article-body {
  font-size: var(--text-body-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
}
.article-body h2 {
  font-size: var(--text-h2);
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-md);
}
.article-body h3 {
  font-size: var(--text-h3);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}
.article-body p {
  margin-bottom: var(--space-lg);
}
.article-body ul,
.article-body ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-lg);
}
.article-body ul {
  list-style: disc;
}
.article-body ol {
  list-style: decimal;
}
.article-body li {
  margin-bottom: var(--space-sm);
  line-height: var(--leading-normal);
}
.article-body a {
  color: var(--color-link);
  text-decoration: underline;
  text-decoration-color: rgba(0, 129, 185, 0.3);
  text-underline-offset: 2px;
  transition: text-decoration-color var(--transition-fast);
}
.article-body a:hover {
  text-decoration-color: var(--color-link);
}

/* Callout Box — "Pyek Perspective" or key takeaways */
.callout {
  background-color: var(--color-surface);
  border-left: 3px solid var(--color-blue);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-lg) var(--space-xl);
  margin: var(--space-xl) 0;
}
.callout__label {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: var(--space-sm);
}
.callout p {
  margin-bottom: var(--space-sm);
  font-size: var(--text-body);
}
.callout p:last-child {
  margin-bottom: 0;
}

/* Key Takeaways Box */
.takeaways {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin: var(--space-xl) 0;
}
.takeaways__title {
  font-family: var(--font-heading);
  font-size: var(--text-body);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-md);
  margin-top: 0;
}
.takeaways ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.takeaways li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  font-size: var(--text-body);
  line-height: var(--leading-normal);
}
.takeaways li::before {
  content: '\2713';  /* checkmark */
  color: var(--color-blue);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}


/* ============================================================
   ARTICLE FOOTER — CTA + Related Articles
   ============================================================ */
.article-footer {
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border-light);
}

/* Article CTA */
.article-cta {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  margin-bottom: var(--space-3xl);
}
.article-cta h3 {
  margin-top: 0;
  margin-bottom: var(--space-sm);
}
.article-cta p {
  color: var(--color-text-secondary);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-lg);
}

/* Related Articles in article footer */
.article-related {
  margin-top: var(--space-2xl);
}
.article-related__heading {
  font-family: var(--font-heading);
  font-size: var(--text-h4);
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-lg);
  margin-top: 0;
}


/* ============================================================
   ARTICLE FAQ SECTION
   ============================================================ */
.article-faq {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border-light);
}
.article-faq h2 {
  margin-top: 0;
}


/* ============================================================
   BREADCRUMB NAVIGATION
   ============================================================ */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
  font-size: var(--text-small);
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}
.breadcrumb a {
  color: var(--color-text-secondary);
}
.breadcrumb a:hover {
  color: var(--color-blue);
}
.breadcrumb__sep {
  color: var(--color-border);
}


/* ============================================================
   READING PROGRESS BAR (optional enhancement)
   ============================================================ */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background-color: var(--color-blue);
  z-index: 1000;
  transition: width 100ms linear;
}


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .article-layout {
    padding: var(--space-2xl) var(--gutter);
  }

  .insights-grid {
    grid-template-columns: 1fr;
  }

  .topic-filters {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-sm);
  }
  .topic-filter {
    white-space: nowrap;
  }
}

@media (max-width: 480px) {
  .article-body {
    font-size: var(--text-body);
  }

  .callout {
    padding: var(--space-md);
  }

  .article-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
  .article-meta__divider {
    display: none;
  }
}