/* ── Article Pages ── */
.article-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  max-width: 900px;
  margin: 0 auto;
}
.article-nav .nav-brand {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text);
  text-decoration: none;
}
.article-nav .nav-brand .dot { color: var(--accent); }
.article-nav .nav-back {
  font-size: .85rem;
  color: var(--text-dim);
  text-decoration: none;
}
.article-nav .nav-back:hover { color: var(--accent); }

.article-wrap {
  max-width: 740px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.breadcrumb {
  font-size: .8rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--text-dim); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 .4rem; }

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1rem;
  align-items: center;
}
.meta-tag {
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--accent);
  background: var(--accent-glow);
  padding: .25rem .6rem;
  border-radius: 4px;
}
.meta-date {
  font-size: .8rem;
  color: var(--text-muted);
}

.article-wrap h1 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  letter-spacing: -0.5px;
}

.article-lead {
  font-size: 1.1rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 2rem;
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
}

.article-wrap h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 2.5rem 0 1rem;
  color: var(--text);
}

.article-wrap h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1.5rem 0 .75rem;
  color: var(--text);
}

.article-wrap p {
  color: var(--text-dim);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.article-wrap ul, .article-wrap ol {
  color: var(--text-dim);
  line-height: 1.75;
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.article-wrap li {
  margin-bottom: .5rem;
}

.article-wrap strong {
  color: var(--text);
  font-weight: 600;
}

.article-wrap code {
  font-family: var(--mono);
  font-size: .85em;
  background: var(--bg-input);
  padding: .15rem .4rem;
  border-radius: 4px;
  color: var(--accent);
}

.article-wrap pre {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin-bottom: 1.25rem;
}

.article-wrap pre code {
  background: none;
  padding: 0;
  font-size: .85rem;
  color: var(--text);
}

.toc {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}
.toc-title {
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-muted);
  margin-bottom: .75rem;
}
.toc ol {
  list-style: decimal;
  padding-left: 1.25rem;
  margin: 0;
}
.toc li {
  margin-bottom: .35rem;
  font-size: .9rem;
}
.toc a {
  color: var(--text-dim);
  text-decoration: none;
}
.toc a:hover { color: var(--accent); }

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin-bottom: .75rem;
}
.info-card-title {
  font-weight: 600;
  color: var(--text);
  margin-bottom: .35rem;
}
.info-card-desc {
  font-size: .9rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.warning-box {
  background: var(--orange-dim);
  border: 1px solid rgba(249,115,22,.3);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}
.warning-label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--orange);
  margin-bottom: .35rem;
}

.insight-box {
  background: rgba(99,102,241,.08);
  border: 1px solid rgba(99,102,241,.2);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}
.insight-label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--accent);
  margin-bottom: .35rem;
}

.cta-box {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 2rem 0;
}
.cta-box p {
  color: var(--text);
  margin-bottom: 1rem;
}
.cta-btn {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  padding: .75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .95rem;
  text-decoration: none !important;
  transition: background var(--transition);
  margin: .25rem;
}
.cta-btn:hover { background: #4f46e5; }

.checklist {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}
.checklist-title {
  font-weight: 700;
  color: var(--text);
  margin-bottom: .75rem;
}
.checklist ul {
  list-style: none;
  padding: 0;
}
.checklist li {
  padding: .5rem 0;
  padding-left: 1.5rem;
  position: relative;
  border-bottom: 1px solid rgba(255,255,255,.04);
}
.checklist li:last-child { border-bottom: none; }
.checklist li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: .9rem;
}
.data-table th {
  text-align: left;
  padding: .75rem;
  border-bottom: 2px solid var(--border);
  color: var(--text);
  font-weight: 600;
}
.data-table td {
  padding: .6rem .75rem;
  border-bottom: 1px solid rgba(255,255,255,.04);
  color: var(--text-dim);
}
.td-mono { font-family: var(--mono); font-size: .8rem; color: var(--accent); }
.td-muted { color: var(--text-muted); font-size: .8rem; }

.article-footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.article-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.article-footer-links a {
  font-size: .85rem;
  color: var(--text-dim);
  text-decoration: none;
  padding: .5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.article-footer-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── FAQ Section (homepage) ── */
.faq-section, .articles-section {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}
.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1.5rem;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: .5rem;
  overflow: hidden;
}
.faq-q {
  padding: 1rem 1.25rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}
.faq-q:hover { background: var(--bg-card-hover); }
.faq-q .faq-icon {
  font-size: 1.2rem;
  color: var(--text-muted);
  transition: transform .2s ease;
  flex-shrink: 0;
  margin-left: 1rem;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-a-inner {
  padding: 0 1.25rem 1rem;
  color: var(--text-dim);
  line-height: 1.7;
  font-size: .9rem;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-decoration: none;
  transition: border-color var(--transition), transform var(--transition);
  display: block;
}
.article-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  text-decoration: none;
}
.article-card-tag {
  font-size: .65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--accent);
  margin-bottom: .5rem;
}
.article-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: .5rem;
  line-height: 1.3;
}
.article-card-desc {
  font-size: .85rem;
  color: var(--text-dim);
  line-height: 1.5;
}

@media (max-width: 600px) {
  .article-wrap h1 { font-size: 1.5rem; }
  .article-wrap h2 { font-size: 1.2rem; }
  .article-nav { padding: .75rem 1rem; }
  .articles-grid { grid-template-columns: 1fr; }
}