/* ============================================================
   AfroTools Blog — Stylesheet
   ============================================================ */

/* ── BLOG HERO ── */
.blog-hero {
  background: linear-gradient(160deg, #0d1117 0%, #0a1628 55%, #111827 100%);
  padding: 64px 0 52px;
  position: relative;
  overflow: hidden;
}
.blog-hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -60px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,122,255,.18) 0%, transparent 70%);
  pointer-events: none;
}
.blog-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1.5px 1.5px at 25% 25%, rgba(255,255,255,.06), transparent),
    radial-gradient(1px 1px at 75% 55%, rgba(255,255,255,.04), transparent),
    radial-gradient(1.5px 1.5px at 50% 80%, rgba(255,255,255,.05), transparent);
  pointer-events: none;
}
.blog-hero-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}
.blog-hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .67rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #60b5ff;
  background: rgba(0,122,255,.15);
  border: 1px solid rgba(0,122,255,.25);
  border-radius: 100px;
  padding: 4px 12px;
  margin-bottom: 14px;
}
.blog-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: #f0f6fc;
  letter-spacing: -.03em;
  line-height: 1.1;
  margin-bottom: 12px;
}
.blog-hero h1 em {
  color: #60b5ff;
  font-style: normal;
}
.blog-hero-sub {
  font-size: .95rem;
  color: rgba(255,255,255,.55);
  max-width: 580px;
  line-height: 1.65;
}

/* ── BREADCRUMB (hero / dark bg) ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .72rem;
  font-weight: 600;
  color: rgba(255,255,255,.4);
  margin-bottom: 14px;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
}
.breadcrumb a {
  color: rgba(255,255,255,.5);
  text-decoration: none;
  transition: color .15s;
}
.breadcrumb a:hover {
  color: #60b5ff;
}
.breadcrumb .sep {
  color: rgba(255,255,255,.25);
  font-size: .6rem;
}

/* ── CATEGORY FILTER TABS ── */
.blog-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.blog-filter-tab {
  padding: 7px 16px;
  border: 1.5px solid rgba(255,255,255,.15);
  border-radius: 100px;
  background: rgba(255,255,255,.05);
  font-size: .72rem;
  font-weight: 700;
  color: rgba(255,255,255,.6);
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
  text-decoration: none;
}
.blog-filter-tab:hover {
  border-color: rgba(0,122,255,.5);
  color: #60b5ff;
  background: rgba(0,122,255,.08);
}
.blog-filter-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ── BLOG GRID ── */
.blog-section {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* ── ARTICLE CARD ── */
.article-card {
  background: #fff;
  border: 1.5px solid #e5e7eb;
  border-radius: 14px;
  overflow: hidden;
  transition: border-color .15s, box-shadow .2s, transform .15s;
  display: flex;
  flex-direction: column;
}
.article-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 30px rgba(0,122,255,.1);
  transform: translateY(-3px);
}
.article-card-img {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, #0d1f3c 0%, #1a3a6b 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  position: relative;
}
.article-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.article-card-body .category-badge {
  margin-bottom: 10px;
}
.article-card-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.35;
  margin-bottom: 8px;
  text-transform: none;
  letter-spacing: -.01em;
}
.article-card-body h3 a {
  text-decoration: none;
  color: inherit;
  transition: color .15s;
}
.article-card-body h3 a:hover {
  color: var(--color-primary);
}
.article-card-excerpt {
  font-size: .85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .72rem;
  font-weight: 600;
  color: var(--color-text-subtle);
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 12px;
}
.article-card-meta .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-border-strong);
}

/* ── CATEGORY BADGES ── */
.category-badge {
  display: inline-block;
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 100px;
  line-height: 1.6;
}
.category-badge--tax {
  background: rgba(239,68,68,.08);
  color: #dc2626;
}
.category-badge--currency {
  background: rgba(16,185,129,.08);
  color: #059669;
}
.category-badge--business {
  background: rgba(139,92,246,.08);
  color: #7c3aed;
}
.category-badge--tools {
  background: rgba(0,122,255,.08);
  color: var(--color-primary);
}
.category-badge--data {
  background: rgba(245,158,11,.08);
  color: #d97706;
}

/* ============================================================
   ARTICLE PAGE LAYOUT
   ============================================================ */

/* ── ARTICLE HERO (single article) ── */
.article-hero {
  background: linear-gradient(160deg, #0d1117 0%, #0a1628 55%, #111827 100%);
  padding: 64px 0 48px;
  position: relative;
  overflow: hidden;
}
.article-hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -60px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,122,255,.18) 0%, transparent 70%);
  pointer-events: none;
}
.article-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1.5px 1.5px at 25% 25%, rgba(255,255,255,.06), transparent),
    radial-gradient(1px 1px at 75% 55%, rgba(255,255,255,.04), transparent);
  pointer-events: none;
}
.article-hero-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}
.article-hero h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: #f0f6fc;
  letter-spacing: -.02em;
  line-height: 1.15;
  margin-bottom: 16px;
  text-transform: none;
}
.article-hero .article-meta-hero {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: .8rem;
  font-weight: 600;
  color: rgba(255,255,255,.5);
}
.article-hero .article-meta-hero .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(255,255,255,.25);
}
.article-hero .category-badge { margin-bottom: 12px; }

/* ── ARTICLE LAYOUT ── */
.article-layout {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

/* ── ARTICLE META ── */
.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: .8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}
.article-meta .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-border-strong);
}

/* ── TABLE OF CONTENTS ── */
.article-toc {
  background: var(--color-bg-subtle, #f3f4f6);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: var(--radius-md, 10px);
  padding: 20px 24px;
  margin: 32px 0;
}
.article-toc-title {
  font-size: .75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--color-text);
  margin-bottom: 12px;
}
.article-toc ol {
  list-style: decimal;
  padding-left: 20px;
  margin: 0;
}
.article-toc li {
  margin-bottom: 6px;
}
.article-toc a {
  font-size: .88rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color .15s;
}
.article-toc a:hover {
  color: var(--color-primary);
}

/* ── ARTICLE BODY TYPOGRAPHY ── */
.article-body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
}
.article-body h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
  margin-top: 48px;
  margin-bottom: 16px;
  letter-spacing: -.02em;
  text-transform: none;
  line-height: 1.25;
}
.article-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin-top: 32px;
  margin-bottom: 12px;
  text-transform: none;
  letter-spacing: -.01em;
  line-height: 1.3;
}
.article-body p {
  margin-bottom: 20px;
  color: var(--color-text-muted);
}
.article-body ul,
.article-body ol {
  margin-bottom: 20px;
  padding-left: 24px;
  color: var(--color-text-muted);
}
.article-body li {
  margin-bottom: 8px;
  line-height: 1.7;
}
.article-body strong {
  color: var(--color-text);
  font-weight: 700;
}
.article-body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: rgba(0,122,255,.3);
  text-underline-offset: 2px;
  transition: text-decoration-color .15s;
}
.article-body a:hover {
  text-decoration-color: var(--color-primary);
}
.article-body blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 16px 20px;
  margin: 24px 0;
  background: rgba(0,122,255,.04);
  border-radius: 0 var(--radius-md, 10px) var(--radius-md, 10px) 0;
  font-style: italic;
  color: var(--color-text-muted);
}
.article-body code {
  background: var(--color-bg-subtle, #f3f4f6);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: .9em;
  font-family: var(--font-mono);
}
.article-body pre {
  background: #0a1628;
  color: #e2e8f0;
  padding: 20px;
  border-radius: var(--radius-md, 10px);
  overflow-x: auto;
  margin-bottom: 24px;
}
.article-body pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* ── TABLE ── */
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: .9rem;
}
.article-body thead th {
  background: #0a1628;
  color: #f0f6fc;
  padding: 12px 16px;
  text-align: left;
  font-weight: 700;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.article-body thead th:first-child { border-radius: 6px 0 0 0; }
.article-body thead th:last-child { border-radius: 0 6px 0 0; }
.article-body tbody td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--color-border, #e5e7eb);
  color: var(--color-text-muted);
}
.article-body tbody tr:last-child td { border-bottom: none; }
.article-body tbody tr:nth-child(even) { background: var(--color-bg-subtle, #f3f4f6); }
.table-wrapper { overflow-x: auto; margin: 24px 0; -webkit-overflow-scrolling: touch; }

/* ── ARTICLE CTA BOX ── */
.article-cta {
  background: linear-gradient(135deg, #0d1f3c 0%, #1a3a6b 100%);
  border-radius: 16px;
  padding: 32px;
  margin: 40px 0;
  text-align: center;
}
.article-cta h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: #f0f6fc;
  margin-bottom: 8px;
  text-transform: none;
  letter-spacing: -.01em;
}
.article-cta p {
  font-size: .9rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 20px;
  line-height: 1.6;
}
.article-cta .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: .85rem;
  font-weight: 700;
  text-decoration: none;
  transition: background .2s, transform .15s;
}
.article-cta .btn:hover {
  background: #0063d1;
  transform: translateY(-2px);
}

/* ── AUTHOR BOX ── */
.author-box {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--color-bg-subtle, #f3f4f6);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 10px;
  padding: 24px;
  margin: 40px 0;
}
.author-box-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0d1f3c, #1a3a6b);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #fff;
  font-weight: 800;
  flex-shrink: 0;
}
.author-box-info h4 {
  font-size: .9rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
  text-transform: none;
  letter-spacing: 0;
}
.author-box-info p {
  font-size: .82rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ── RELATED ARTICLES ── */
.related-articles {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border, #e5e7eb);
}
.related-articles-title {
  font-size: 1.1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-text);
  margin-bottom: 20px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.related-card {
  background: #fff;
  border: 1.5px solid #e5e7eb;
  border-radius: 12px;
  padding: 18px;
  transition: border-color .15s, box-shadow .2s, transform .15s;
  text-decoration: none;
  display: block;
}
.related-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(0,122,255,.1);
  transform: translateY(-2px);
}
.related-card .category-badge { margin-bottom: 8px; }
.related-card h3 {
  font-size: .88rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.35;
  margin-bottom: 6px;
  text-transform: none;
  letter-spacing: 0;
}
.related-card p {
  font-size: .78rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}

/* ── FAQ SECTION ── */
.faq-section {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border, #e5e7eb);
}
.faq-section-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 20px;
  text-transform: none;
  letter-spacing: -.01em;
}
.faq-item {
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 10px;
  margin-bottom: 10px;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: none;
  border: none;
  font-size: .92rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  text-align: left;
  transition: background .15s;
  font-family: var(--font-body);
}
.faq-question:hover {
  background: var(--color-bg-subtle, #f3f4f6);
}
.faq-chevron {
  transition: transform .2s;
  font-size: .8rem;
  color: var(--color-text-muted);
}
.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-item.open .faq-answer {
  max-height: 500px;
}
.faq-answer-inner {
  padding: 0 20px 16px;
}
.faq-answer-inner p {
  font-size: .88rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin: 0;
}

/* ── SIDEBAR ── */
.sidebar {
  position: sticky;
  top: calc(62px + 24px);
}
.sidebar-card {
  background: #fff;
  border: 1.5px solid #e5e7eb;
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 20px;
}
.sidebar-card h4 {
  font-size: .75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--color-text);
  margin-bottom: 14px;
}
.sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sidebar-list li { margin-bottom: 10px; }
.sidebar-list a {
  font-size: .85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color .15s;
}
.sidebar-list a:hover { color: var(--color-primary); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .blog-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; gap: 14px; }
  .author-box { flex-direction: column; text-align: center; align-items: center; }
  .article-card-img { height: 140px; }
  .blog-hero { padding: 48px 0 40px; }
  .article-hero { padding: 48px 0 36px; }
  .article-cta { padding: 24px 20px; }
}
@media (max-width: 480px) {
  .blog-section { padding: 24px 16px 60px; }
  .article-layout { padding: 0 16px 60px; }
  .blog-filters { gap: 6px; }
  .blog-filter-tab { font-size: .68rem; padding: 5px 12px; }
}