/* =============================================
   BLOG PAGE STYLES
   ============================================= */

/* ---- BREADCRUMBS ---- */
.breadcrumb {
  padding-top: calc(var(--nav-height) + 1.5rem);
  background: var(--color-bg);
}

.breadcrumb__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

.breadcrumb__list li + li::before {
  content: '/';
  margin-right: 0.5rem;
  color: var(--color-border-strong);
}

.breadcrumb__list a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* ---- BLOG HEADER ---- */
.blog-header {
  padding: 3rem 0 2rem;
  background: var(--color-bg);
  text-align: center;
}

.blog-header__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.blog-header__title {
  font-size: var(--fs-h2);
  font-weight: 900;
  color: var(--color-text-heading);
  margin-bottom: 0.75rem;
}

.blog-header__desc {
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  color: var(--color-text-secondary);
  max-width: 550px;
  margin: 0 auto;
}

/* ---- BLOG INDEX ---- */
.blog-index {
  padding: 2rem 0 var(--section-padding);
  background: var(--color-bg);
  min-height: 50vh;
}

.blog-index__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Filters */
.blog-index__filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.blog-index__filter {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: var(--fs-small);
  font-weight: 600;
  font-family: var(--font-primary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
}

.blog-index__filter:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.blog-index__filter--active {
  background: var(--gradient-accent);
  color: #fff;
  border-color: transparent;
}

/* Card Grid */
.blog-index__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* Blog Card */
.blog-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(26, 111, 224, 0.2);
}

.blog-card--hidden { display: none; }

.blog-card__link {
  text-decoration: none;
  display: block;
}

.blog-card__image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-surface);
}

.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.blog-card:hover .blog-card__image img {
  transform: scale(1.03);
}

.blog-card__content {
  padding: 1.5rem;
}

.blog-card__category {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.blog-card__title {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.blog-card__excerpt {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
  max-width: none;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.blog-card__dot { font-size: 0.5rem; }

/* Empty state */
.blog-index__empty {
  grid-column: 1 / -1;
  padding: 5rem 2rem;
  text-align: center;
}

.blog-index__empty i {
  font-size: 3rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  display: block;
}

.blog-index__empty h3 {
  font-size: var(--fs-h3);
  color: var(--color-text-heading);
  margin-bottom: 0.75rem;
}

.blog-index__empty p {
  color: var(--color-text-secondary);
  max-width: 400px;
  margin: 0 auto 2rem;
}

/* ---- BLOG CTA ---- */
.blog-cta {
  padding: var(--section-padding) 0;
  background: var(--color-bg-surface);
  text-align: center;
}

.blog-cta__container {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.blog-cta__container h2 {
  font-size: var(--fs-h2);
  font-weight: 800;
  color: var(--color-text-heading);
  margin-bottom: 0.75rem;
}

.blog-cta__container p {
  color: var(--color-text-secondary);
  margin: 0 auto 2rem;
  max-width: 500px;
}

/* ---- BLOG POST ARTICLE STYLES ---- */
.blog-post {
  padding: 2rem 0 var(--section-padding);
  background: var(--color-bg);
}

.blog-post__container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.blog-post__hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 2.5rem;
  aspect-ratio: 16 / 9;
  background: var(--color-bg-surface);
}

.blog-post__hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-post__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.blog-post__category-tag {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  font-size: var(--fs-xs);
}

.blog-post__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  color: var(--color-text-heading);
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

/* TL;DR box — targets AI/LLM answer extraction + position zero */
.blog-post__tldr {
  background: var(--color-accent-subtle);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.5rem 2rem;
  margin-bottom: 2.5rem;
}

.blog-post__tldr-label {
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  display: block;
}

.blog-post__tldr p {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.7;
  max-width: none;
  margin: 0;
}

/* Table of Contents */
.blog-post__toc {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  margin-bottom: 2.5rem;
}

.blog-post__toc-title {
  font-size: var(--fs-small);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

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

.blog-post__toc-list li {
  margin-bottom: 0.5rem;
}

.blog-post__toc-list a {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.blog-post__toc-list a:hover {
  color: var(--color-accent);
}

.blog-post__toc-list .toc-h3 {
  padding-left: 1rem;
}

/* Article body */
.blog-post__body h2 {
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  font-weight: 800;
  color: var(--color-text-heading);
  margin: 2.5rem 0 1rem;
  line-height: 1.2;
}

.blog-post__body h3 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 700;
  color: var(--color-text-heading);
  margin: 2rem 0 0.75rem;
}

.blog-post__body p {
  font-size: 1.05rem;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  max-width: none;
}

.blog-post__body ul,
.blog-post__body ol {
  margin: 0 0 1.5rem 1.25rem;
  line-height: 1.8;
  color: var(--color-text);
}

.blog-post__body li {
  margin-bottom: 0.5rem;
}

.blog-post__body blockquote {
  border-left: 4px solid var(--color-accent);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--color-accent-subtle);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.blog-post__body img {
  max-width: 100%;
  border-radius: var(--radius);
  margin: 1.5rem 0;
}

/* FAQ Section within posts (with FAQPage schema) */
.blog-post__faq {
  margin: 3rem 0;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.blog-post__faq h2 {
  margin-top: 0;
}

.blog-post__faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem 0;
}

.blog-post__faq-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.blog-post__faq-question {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 0.5rem;
}

.blog-post__faq-answer {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.blog-post__faq-answer p {
  font-size: var(--fs-small);
  margin-bottom: 0;
}

/* Author box */
.blog-post__author {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin: 3rem 0;
}

.blog-post__author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.blog-post__author-name {
  font-weight: 700;
  color: var(--color-text-heading);
  font-size: var(--fs-small);
}

.blog-post__author-role {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

/* Related Posts */
.blog-post__related {
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-border);
}

.blog-post__related h3 {
  font-size: var(--fs-h3);
  font-weight: 800;
  color: var(--color-text-heading);
  margin-bottom: 1.5rem;
  text-align: center;
}

.blog-post__related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

/* Mid-article CTA */
.blog-post__inline-cta {
  background: var(--color-bg-surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  margin: 2.5rem 0;
}

.blog-post__inline-cta h3 {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  color: var(--color-text-heading);
}

.blog-post__inline-cta p {
  font-size: var(--fs-small);
  margin-bottom: 1rem;
  color: var(--color-text-secondary);
}

/* Share buttons */
.blog-post__share {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 2rem 0;
}

.blog-post__share-label {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-text-muted);
}

.blog-post__share-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: all var(--transition-base);
}

.blog-post__share-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .breadcrumb__list {
    flex-wrap: wrap;
    font-size: 0.75rem;
    gap: 0.25rem;
    line-height: 1.4;
  }

  .breadcrumb__list li + li::before {
    margin-right: 0.25rem;
  }

  .breadcrumb__list li:last-child {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .blog-index__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .blog-post__related-grid {
    grid-template-columns: 1fr;
  }

  .blog-post__title {
    font-size: clamp(1.75rem, 6vw, 2.25rem);
  }

  .blog-post__author {
    flex-direction: column;
    text-align: center;
  }

  .blog-post__inline-cta {
    padding: 1.5rem;
  }

  .blog-post__share {
    justify-content: center;
  }
}

@media (max-width: 1024px) {
  .blog-index__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}