/* ============================================================
   InkAndTonerBuyers.com — Blog Styles
   Extends styles.css for blog listing + article pages
   ============================================================ */

/* ── Breadcrumbs ── */
.breadcrumbs {
  padding: 16px 0;
  font-size: .85rem;
  color: var(--muted);
}
.breadcrumbs a {
  color: var(--navy);
  font-weight: 500;
  transition: color var(--transition);
}
.breadcrumbs a:hover {
  color: var(--sienna);
}
.breadcrumbs .sep {
  margin: 0 8px;
  color: var(--border);
}
.breadcrumbs .current {
  color: var(--muted);
}

/* ── Blog Hero (listing page) ── */
.blog-hero {
  background: linear-gradient(160deg, #0A3560 0%, #0D4278 60%, #0F3560 100%);
  padding: 60px 0 50px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(255,255,255,.03) 39px, rgba(255,255,255,.03) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(255,255,255,.03) 39px, rgba(255,255,255,.03) 40px);
  pointer-events: none;
}
.blog-hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.blog-hero p {
  color: rgba(255,255,255,.7);
  font-size: 1.1rem;
  max-width: 540px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ── Blog Card Grid ── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
  padding: 48px 0 64px;
}
.blog-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--sienna);
}
.blog-card-body {
  padding: 24px 28px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.blog-card-tag {
  display: inline-block;
  background: var(--sienna-pale);
  color: var(--sienna);
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 4px 10px;
  border-radius: 100px;
}
.blog-card-tag--info {
  background: rgba(10, 53, 96, .08);
  color: var(--navy);
}
.blog-card-read {
  font-size: .8rem;
  color: var(--muted);
}
.blog-card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.3;
  margin-bottom: 10px;
}
.blog-card-title a {
  color: inherit;
  transition: color var(--transition);
}
.blog-card-title a:hover {
  color: var(--sienna);
}
.blog-card-excerpt {
  font-size: .925rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex: 1;
}
.blog-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--sienna);
  font-weight: 600;
  font-size: .9rem;
  transition: gap var(--transition);
}
.blog-card-link:hover {
  gap: 10px;
}

/* ── Article Layout ── */
.article-header {
  background: linear-gradient(160deg, #0A3560 0%, #0D4278 60%, #0F3560 100%);
  padding: 60px 0 50px;
  position: relative;
  overflow: hidden;
}
.article-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(255,255,255,.03) 39px, rgba(255,255,255,.03) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(255,255,255,.03) 39px, rgba(255,255,255,.03) 40px);
  pointer-events: none;
}
.article-header .container {
  position: relative;
  z-index: 1;
  max-width: 820px;
}
.article-header .breadcrumbs {
  padding-bottom: 20px;
}
.article-header .breadcrumbs,
.article-header .breadcrumbs a {
  color: rgba(255,255,255,.6);
}
.article-header .breadcrumbs a:hover {
  color: #fff;
}
.article-header .breadcrumbs .sep {
  color: rgba(255,255,255,.3);
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.article-meta .blog-card-tag {
  font-size: .7rem;
}
.article-date {
  color: rgba(255,255,255,.5);
  font-size: .85rem;
}
.article-read-time {
  color: rgba(255,255,255,.5);
  font-size: .85rem;
}
.article-header h1 {
  color: #fff;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.2;
  max-width: 720px;
}

/* ── Article Content ── */
.article-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}
.article-content h2 {
  font-size: 1.6rem;
  margin-top: 40px;
  margin-bottom: 16px;
  padding-top: 8px;
}
.article-content h3 {
  font-size: 1.2rem;
  margin-top: 32px;
  margin-bottom: 12px;
}
.article-content p {
  margin-bottom: 18px;
  color: var(--ink);
  font-size: 1.05rem;
  line-height: 1.8;
}
.article-content ul,
.article-content ol {
  margin: 0 0 20px 24px;
  line-height: 1.8;
  font-size: 1.05rem;
  color: var(--ink);
}
.article-content ul {
  list-style: disc;
}
.article-content ol {
  list-style: decimal;
}
.article-content li {
  margin-bottom: 6px;
}
.article-content a {
  color: var(--sienna);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: rgba(232,106,26,.3);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition);
}
.article-content a:hover {
  text-decoration-color: var(--sienna);
}
.article-content strong {
  font-weight: 600;
  color: var(--navy);
}
.article-content blockquote {
  border-left: 4px solid var(--sienna);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--sienna-pale);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 1.05rem;
  color: var(--ink);
}

/* ── CTA Banner (inline in articles) ── */
.article-cta {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  text-align: center;
  margin: 36px 0;
}
.article-cta h3 {
  color: #fff;
  font-size: 1.4rem;
  margin-bottom: 10px;
  margin-top: 0;
}
.article-cta p {
  color: rgba(255,255,255,.7);
  font-size: .95rem;
  margin-bottom: 20px;
}
.article-cta .btn {
  display: inline-flex;
}

/* ── Related Articles ── */
.related-section {
  background: var(--warm-white);
  padding: 56px 0 64px;
  border-top: 1px solid var(--border);
}
.related-section h2 {
  text-align: center;
  margin-bottom: 32px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── FAQ in articles ── */
.article-content .faq-list {
  margin: 24px 0;
}
.article-content .faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}
.article-content .faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 16px 20px;
  background: var(--warm-white);
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  text-align: left;
  transition: background var(--transition);
}
.article-content .faq-question:hover {
  background: var(--sand);
}
.article-content .faq-chevron {
  font-size: 1.2rem;
  transition: transform var(--transition);
}
.article-content .faq-item.open .faq-chevron {
  transform: rotate(180deg);
}
.article-content .faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.article-content .faq-item.open .faq-answer {
  padding: 16px 20px;
  max-height: 500px;
}

/* ── Table of Contents ── */
.article-toc {
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 32px;
}
.article-toc h4 {
  font-size: .9rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  margin-bottom: 12px;
}
.article-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.article-toc li {
  margin-bottom: 8px;
}
.article-toc a {
  font-size: .95rem;
  color: var(--navy);
  font-weight: 500;
  text-decoration: none;
}
.article-toc a:hover {
  color: var(--sienna);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
    padding: 32px 0 48px;
  }
  .blog-hero {
    padding: 40px 0 36px;
  }
  .article-header {
    padding: 40px 0 36px;
  }
  .article-content {
    padding: 32px 20px 48px;
  }
  .article-cta {
    padding: 28px 20px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
}