/**
 * FURNOSTYLES — BLOG CSS
 * =============================
 * File: assets/css/blog.css
 * Purpose: Blog article page styling - hero, content, sidebar, FAQ, related articles
 *
 * Load order: After components.css
 * Class prefix: fns-blog-
 */

/* ============================================================
   BLOG HERO SECTION
============================================================ */

.fns-blog-hero {
  background: linear-gradient(135deg, var(--fns-petrol-dark) 0%, var(--fns-petrol-medium) 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.fns-blog-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 47, 58, 0.3);
  pointer-events: none;
}

.fns-blog-hero-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--fns-spacing-xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.fns-blog-hero-image {
  border-radius: var(--fns-radius-lg);
  overflow: hidden;
  box-shadow: var(--fns-shadow-lg);
  aspect-ratio: 16 / 10;
}

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

.fns-blog-hero-content {
  color: var(--fns-white);
}

.fns-blog-category {
  display: inline-block;
  background: var(--fns-gold-primary);
  color: var(--fns-petrol-dark);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--fns-spacing-md);
}

.fns-blog-title {
  font-size: 42px;
  line-height: 1.2;
  color: var(--fns-white);
  margin: 0 0 var(--fns-spacing-md);
  font-weight: 700;
}

.fns-blog-intro {
  font-size: 18px;
  line-height: 1.7;
  color: var(--fns-text-light);
  margin-bottom: var(--fns-spacing-lg);
}

.fns-blog-meta {
  display: flex;
  gap: var(--fns-spacing-md);
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--fns-text-light);
  font-weight: 600;
}

.fns-blog-author,
.fns-blog-reading-time,
.fns-blog-date {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ============================================================
   BLOG NAVIGATION
============================================================ */

.fns-blog-nav {
  display: flex;
  gap: var(--fns-spacing-md);
  flex-wrap: wrap;
  justify-content: center;
  padding: var(--fns-spacing-md) 0;
  border-bottom: 1px solid var(--fns-border);
}

.fns-blog-nav a {
  color: var(--fns-text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  padding: 8px 16px;
  border-radius: var(--fns-radius-md);
  transition: all var(--fns-transition-fast);
}

.fns-blog-nav a:hover {
  color: var(--fns-gold-primary);
  background: var(--fns-bg-light);
}

/* ============================================================
   TABLE OF CONTENTS
============================================================ */

.fns-blog-toc {
  background: var(--fns-bg-light);
  border-radius: var(--fns-radius-lg);
  padding: var(--fns-spacing-lg);
  border: 1px solid var(--fns-border);
}

.fns-blog-toc-title {
  font-size: 20px;
  color: var(--fns-grey-dark);
  margin: 0 0 var(--fns-spacing-md);
  font-weight: 700;
}

.fns-blog-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.fns-blog-toc-list li {
  margin-bottom: var(--fns-spacing-sm);
}

.fns-blog-toc-list a {
  color: var(--fns-text-muted);
  text-decoration: none;
  font-size: 15px;
  padding: 8px 0;
  display: block;
  border-left: 3px solid var(--fns-border);
  padding-left: var(--fns-spacing-md);
  transition: all var(--fns-transition-fast);
}

.fns-blog-toc-list a:hover {
  color: var(--fns-gold-primary);
  border-left-color: var(--fns-gold-primary);
  padding-left: var(--fns-spacing-lg);
}

.fns-toc-active {
  color: var(--fns-gold-primary) !important;
  border-left-color: var(--fns-gold-primary) !important;
  padding-left: var(--fns-spacing-lg) !important;
  font-weight: 700;
}

/* ============================================================
   BLOG LAYOUT (CONTENT + SIDEBAR)
============================================================ */

.fns-blog-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--fns-spacing-xl);
  align-items: start;
}

.fns-blog-layout--no-sidebar {
  grid-template-columns: 1fr;
  justify-items: center;
}

.fns-blog-layout--no-sidebar .fns-blog-content {
  max-width: 840px;
  width: 100%;
}

.fns-blog-content {
  background: var(--fns-white);
  border-radius: var(--fns-radius-lg);
  padding: var(--fns-spacing-xl);
  box-shadow: var(--fns-shadow-sm);
}

.fns-blog-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--fns-spacing-lg);
}

/* ============================================================
   BLOG CONTENT SECTIONS
============================================================ */

.fns-blog-section {
  margin-bottom: var(--fns-spacing-xl);
}

.fns-blog-pill {
  display: inline-block;
  background: var(--fns-gold-primary);
  color: var(--fns-petrol-dark);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--fns-spacing-md);
}

.fns-blog-heading {
  font-size: 28px;
  color: var(--fns-grey-dark);
  margin: 0 0 var(--fns-spacing-md);
  font-weight: 700;
  line-height: 1.3;
}

.fns-blog-content p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--fns-text-primary);
  margin-bottom: var(--fns-spacing-md);
}

.fns-blog-content a {
  color: var(--fns-gold-primary);
  text-decoration: none;
  font-weight: 700;
  border-bottom: 2px solid transparent;
  transition: all var(--fns-transition-fast);
}

.fns-blog-content a:hover {
  border-bottom-color: var(--fns-gold-primary);
}

.fns-blog-list {
  list-style: none;
  padding: 0;
  margin: var(--fns-spacing-md) 0;
}

.fns-blog-list li {
  padding: 12px 0;
  padding-left: 28px;
  position: relative;
  color: var(--fns-text-primary);
  line-height: 1.7;
}

.fns-blog-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--fns-gold-primary);
  font-weight: 700;
  font-size: 18px;
}

.fns-blog-quote {
  background: var(--fns-bg-light);
  border-left: 4px solid var(--fns-gold-primary);
  padding: var(--fns-spacing-lg);
  border-radius: var(--fns-radius-md);
  margin: var(--fns-spacing-lg) 0;
  color: var(--fns-grey-dark);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.6;
  font-style: italic;
}

.fns-blog-image {
  margin: var(--fns-spacing-lg) 0;
  border-radius: var(--fns-radius-lg);
  overflow: hidden;
  background: var(--fns-bg-medium);
}

.fns-blog-image img {
  width: 100%;
  height: auto;
  max-height: 450px;
  object-fit: cover;
  display: block;
}

.fns-blog-image figcaption {
  padding: var(--fns-spacing-sm) var(--fns-spacing-md);
  background: var(--fns-bg-light);
  font-size: 13px;
  color: var(--fns-text-muted);
  text-align: center;
}

/* ============================================================
   BLOG CTA SECTION
============================================================ */

.fns-blog-cta {
  background: linear-gradient(135deg, var(--fns-petrol-dark) 0%, var(--fns-petrol-medium) 100%);
  border-radius: var(--fns-radius-lg);
  padding: var(--fns-spacing-xl);
  margin: var(--fns-spacing-xl) 0;
  text-align: center;
  color: var(--fns-white);
}

.fns-blog-cta-title {
  font-size: 28px;
  color: var(--fns-white);
  margin: 0 0 var(--fns-spacing-sm);
  font-weight: 700;
}

.fns-blog-cta-description {
  font-size: 16px;
  color: var(--fns-text-light);
  margin-bottom: var(--fns-spacing-lg);
  line-height: 1.6;
}

.fns-blog-cta-actions {
  display: flex;
  gap: var(--fns-spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   BLOG FAQ SECTION
============================================================ */

.fns-blog-faq {
  margin-top: var(--fns-spacing-xl);
  padding-top: var(--fns-spacing-xl);
  border-top: 1px solid var(--fns-border);
}

.fns-faq-item {
  background: var(--fns-bg-light);
  border-radius: var(--fns-radius-md);
  margin-bottom: var(--fns-spacing-sm);
  overflow: hidden;
}

.fns-faq-summary {
  padding: var(--fns-spacing-md);
  cursor: pointer;
  font-weight: 700;
  color: var(--fns-grey-dark);
  list-style: none;
  position: relative;
  padding-right: 40px;
}

.fns-faq-summary::-webkit-details-marker {
  display: none;
}

.fns-faq-summary::after {
  content: '+';
  position: absolute;
  right: var(--fns-spacing-md);
  font-size: 20px;
  font-weight: 700;
  color: var(--fns-gold-primary);
  transition: transform var(--fns-transition-fast);
}

.fns-faq-item[open] .fns-faq-summary::after {
  transform: rotate(45deg);
}

.fns-faq-content {
  padding: 0 var(--fns-spacing-md) var(--fns-spacing-md);
  color: var(--fns-text-primary);
  line-height: 1.7;
  margin: 0;
}

/* ============================================================
   BLOG SIDEBAR
============================================================ */

.fns-blog-sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.fns-blog-sidebar-list li {
  margin-bottom: var(--fns-spacing-xs);
}

.fns-blog-sidebar-list a {
  display: block;
  color: var(--fns-text-muted);
  text-decoration: none;
  font-size: 14px;
  padding: 8px 0;
  border-bottom: 1px solid var(--fns-border);
  transition: all var(--fns-transition-fast);
}

.fns-blog-sidebar-list a:hover {
  color: var(--fns-gold-primary);
  padding-left: 8px;
}

.fns-blog-sidebar-list a:last-child {
  border-bottom: none;
}

.fns-card-highlight {
  background: linear-gradient(135deg, var(--fns-gold-primary) 0%, var(--fns-gold-medium) 100%);
  color: var(--fns-petrol-dark);
}

.fns-card-highlight .fns-card-title {
  color: var(--fns-petrol-dark);
}

.fns-card-highlight .fns-card-description {
  color: var(--fns-petrol-dark);
  opacity: 0.9;
}

.fns-card-highlight .fns-btn-primary {
  background: var(--fns-white);
  color: var(--fns-petrol-dark);
}

.fns-card-highlight .fns-btn-primary:hover {
  background: var(--fns-petrol-dark);
  color: var(--fns-white);
}

/* ============================================================
   RESPONSIVE DESIGN
============================================================ */

@media (max-width: 1024px) {
  .fns-blog-hero-layout {
    grid-template-columns: 1fr;
    gap: var(--fns-spacing-lg);
  }

  .fns-blog-layout,
  .fns-blog-layout--no-sidebar {
    grid-template-columns: 1fr;
  }

  .fns-blog-layout--no-sidebar .fns-blog-content {
    max-width: 100%;
  }

  .fns-blog-sidebar {
    order: 2;
  }
}

@media (max-width: 768px) {
  .fns-blog-hero {
    padding: 40px 0;
  }

  .fns-blog-title {
    font-size: 32px;
  }

  .fns-blog-intro {
    font-size: 16px;
  }

  .fns-blog-content {
    padding: var(--fns-spacing-lg);
  }

  .fns-blog-heading {
    font-size: 24px;
  }

  .fns-blog-cta-title {
    font-size: 24px;
  }

  .fns-blog-cta-actions {
    flex-direction: column;
  }

  .fns-blog-cta-actions .fns-btn {
    width: 100%;
  }

  .fns-blog-nav {
    flex-direction: column;
    align-items: center;
  }
}

/* ============================================================
   ARTICLE SEARCH & FILTERING
============================================================ */

.fns-article-search {
  display: flex;
  gap: var(--fns-spacing-sm);
  max-width: 600px;
  margin: 0 auto var(--fns-spacing-lg);
}

.fns-article-search input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--fns-border);
  border-radius: var(--fns-radius-md);
  font-size: 16px;
  background: var(--fns-white);
  color: var(--fns-text-primary);
}

.fns-article-search input:focus {
  outline: none;
  border-color: var(--fns-gold-primary);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
}

.fns-search-results {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--fns-spacing-lg);
}

/* ============================================================
   ARTICLE CARDS (CATEGORY / FEATURED)
============================================================ */

.fns-card-link-block {
  display: block;
  text-decoration: none;
  color: inherit;
}

.fns-card-meta {
  font-size: 13px;
  color: var(--fns-text-muted);
  margin-top: var(--fns-spacing-sm);
}

.fns-card-article {
  transition: transform var(--fns-transition-fast), box-shadow var(--fns-transition-fast);
}

.fns-card-article:hover {
  transform: translateY(-4px);
  box-shadow: var(--fns-shadow-lg);
}

.fns-card-featured {
  border: 2px solid var(--fns-gold-primary);
  position: relative;
}

.fns-card-featured::before {
  content: 'Featured';
  position: absolute;
  top: var(--fns-spacing-sm);
  right: var(--fns-spacing-sm);
  background: var(--fns-gold-primary);
  color: var(--fns-petrol-dark);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  z-index: 2;
}

/* ============================================================
   RELATED SERVICES (INLINE)
============================================================ */

.fns-blog-related-services {
  background: var(--fns-bg-light);
  border-radius: var(--fns-radius-md);
  padding: var(--fns-spacing-lg);
  margin: var(--fns-spacing-xl) 0;
}

.fns-blog-related-services h3 {
  font-size: 20px;
  color: var(--fns-grey-dark);
  margin: 0 0 var(--fns-spacing-md);
  font-weight: 700;
}

.fns-service-desc {
  display: block;
  font-size: 13px;
  color: var(--fns-text-muted);
  margin-top: 2px;
  font-weight: 400;
}

/* ============================================================
   SECTION DARK VARIANT
============================================================ */

.fns-section-dark {
  background: var(--fns-petrol-dark);
  color: var(--fns-white);
}

.fns-section-dark .fns-section-header h2 {
  color: var(--fns-white);
}

.fns-section-dark .fns-section-header p {
  color: var(--fns-text-light);
}

.fns-section-dark .fns-card {
  background: var(--fns-white);
}

/* ============================================================
   SCROLL PROGRESS BAR
============================================================ */

.fns-scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--fns-gold-primary);
  width: 0%;
  z-index: 9999;
  transition: width 0.1s linear;
}