/* ============================================================
   Article Pages — Detailed Content Styles
   ============================================================ */

/* ---------- Article Header ---------- */
.article-header {
  text-align: center;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(123,94,167,0.2);
}

.article-badge {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  background: rgba(78,205,196,0.12);
  border: 1px solid rgba(78,205,196,0.3);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  margin-bottom: 1.2rem;
}

.article-title {
  font-family: var(--display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--ghost);
  margin: 0.8rem 0;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.article-subtitle {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--nebula);
  margin: 0.8rem 0;
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.meta-item {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--silver);
}

/* ---------- Article Content ---------- */
.article-content {
  max-width: 800px;
  margin: 0 auto;
}

.article-section {
  margin: 3rem 0;
}

.article-lead {
  font-family: var(--serif);
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--silver);
  margin: 0 0 2rem;
  font-style: italic;
}

.article-section p {
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--silver);
  margin: 1.2rem 0;
}

.article-section ul,
.article-section ol {
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--silver);
  margin: 1.2rem 0;
  padding-left: 2rem;
}

.article-section li {
  margin: 0.6rem 0;
}

.article-section strong {
  color: var(--teal);
  font-weight: 600;
}

.article-section em {
  color: var(--nebula);
  font-style: italic;
}

/* ---------- Section Titles ---------- */
.section-title {
  font-family: var(--display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ghost);
  margin: 2.5rem 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.section-icon {
  font-size: 1.6rem;
  filter: drop-shadow(0 2px 8px rgba(78,205,196,0.4));
}

/* ---------- Info Grid ---------- */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
  margin: 2rem 0;
}

.info-card {
  background: linear-gradient(135deg, rgba(20,20,34,0.5), rgba(15,15,26,0.7));
  border: 1px solid rgba(123,94,167,0.25);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.3s;
}

.info-card:hover {
  border-color: rgba(78,205,196,0.4);
  transform: translateY(-2px);
}

.info-card--highlight {
  background: linear-gradient(135deg, rgba(78,205,196,0.08), rgba(123,94,167,0.08));
  border-color: rgba(78,205,196,0.4);
}

.info-card__icon {
  font-size: 2rem;
  margin-bottom: 0.8rem;
  display: block;
}

.info-card h4 {
  font-family: var(--display);
  font-size: 1.2rem;
  color: var(--ghost);
  margin: 0 0 0.3rem;
}

.info-card__subtitle {
  font-family: var(--serif);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--nebula);
  display: block;
  margin-bottom: 0.8rem;
}

.info-card p {
  font-size: 0.95rem !important;
  line-height: 1.6 !important;
  margin: 0.6rem 0 !important;
}

.info-card__status {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(136,136,170,0.8);
  background: rgba(136,136,170,0.15);
  border-radius: 4px;
  padding: 0.3rem 0.6rem;
  margin-top: 0.8rem;
}

.info-card__status--active {
  color: var(--teal);
  background: rgba(78,205,196,0.15);
}

/* ---------- Quote Box ---------- */
.quote-box {
  background: linear-gradient(135deg, rgba(123,94,167,0.08), rgba(78,205,196,0.06));
  border-left: 4px solid var(--teal);
  border-radius: 8px;
  padding: 1.5rem 2rem;
  margin: 2rem 0;
}

.quote-text {
  font-family: var(--serif);
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--ghost);
  margin: 0 0 0.8rem !important;
  font-style: italic;
}

.quote-source {
  font-family: var(--display);
  font-size: 0.85rem;
  color: var(--teal);
  margin: 0.5rem 0 !important;
}

.quote-translation {
  font-family: var(--sans);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--nebula);
  margin: 0.8rem 0 0 !important;
}

/* ---------- Timeline ---------- */
.timeline {
  position: relative;
  padding: 2rem 0;
  margin: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--indigo), var(--teal));
}

.timeline-item {
  position: relative;
  padding-left: 60px;
  margin-bottom: 2.5rem;
}

.timeline-marker {
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--indigo), var(--teal));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ghost);
  box-shadow: 0 4px 12px rgba(78,205,196,0.3);
}

.timeline-content h4 {
  font-family: var(--display);
  font-size: 1.4rem;
  color: var(--ghost);
  margin: 0 0 0.3rem;
}

.timeline-era {
  font-family: var(--serif);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--teal);
  display: block;
  margin-bottom: 0.8rem;
}

.timeline-content p {
  font-size: 1rem !important;
  line-height: 1.7 !important;
  margin: 0.8rem 0 !important;
}

/* ---------- Dual Nature Cards ---------- */
.dual-nature {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.nature-card {
  background: linear-gradient(135deg, rgba(20,20,34,0.6), rgba(15,15,26,0.8));
  border: 1px solid rgba(123,94,167,0.3);
  border-radius: 14px;
  padding: 2rem;
  transition: all 0.3s;
}

.nature-card:hover {
  border-color: rgba(78,205,196,0.5);
  transform: translateY(-4px);
}

.nature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.nature-card h4 {
  font-family: var(--display);
  font-size: 1.3rem;
  color: var(--ghost);
  margin: 0 0 1rem;
}

.nature-card p {
  font-size: 1rem !important;
  line-height: 1.7 !important;
  margin: 0.8rem 0 !important;
}

.nature-card ul {
  list-style: none;
  padding: 0;
  margin: 1.2rem 0 0 !important;
}

.nature-card li {
  font-size: 0.95rem !important;
  padding-left: 1.5rem;
  position: relative;
  margin: 0.5rem 0 !important;
}

.nature-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 700;
}

/* ---------- Meaning Grid ---------- */
.meaning-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.meaning-card {
  background: linear-gradient(135deg, rgba(20,20,34,0.5), rgba(15,15,26,0.7));
  border: 1px solid rgba(123,94,167,0.25);
  border-radius: 12px;
  padding: 1.8rem;
  position: relative;
  overflow: hidden;
}

.meaning-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--indigo), var(--teal));
}

.meaning-number {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 32px;
  height: 32px;
  background: rgba(78,205,196,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--teal);
}

.meaning-card h4 {
  font-family: var(--display);
  font-size: 1.3rem;
  color: var(--ghost);
  margin: 0 0 0.3rem;
}

.meaning-subtitle {
  font-family: var(--serif);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--nebula);
  display: block;
  margin-bottom: 1rem;
}

.meaning-card p {
  font-size: 0.95rem !important;
  line-height: 1.7 !important;
  margin: 0.8rem 0 !important;
}

.meaning-example {
  background: rgba(78,205,196,0.08);
  border-left: 2px solid var(--teal);
  border-radius: 4px;
  padding: 0.8rem 1rem;
  margin-top: 1rem;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--silver);
}

.meaning-example strong {
  color: var(--teal);
}

/* ---------- Insight Box ---------- */
.insight-box {
  background: linear-gradient(135deg, rgba(78,205,196,0.1), rgba(123,94,167,0.1));
  border: 1px solid rgba(78,205,196,0.3);
  border-radius: 12px;
  padding: 1.5rem 2rem;
  margin: 2rem 0;
  font-size: 1.05rem !important;
  line-height: 1.8 !important;
  color: var(--silver) !important;
}

.insight-box strong {
  color: var(--teal);
  font-size: 1.1rem;
}

/* ---------- Book Grid ---------- */
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
  margin: 2rem 0;
}

.book-card {
  background: linear-gradient(135deg, rgba(20,20,34,0.4), rgba(15,15,26,0.6));
  border: 1px solid rgba(123,94,167,0.2);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.3s;
}

.book-card:hover {
  border-color: rgba(78,205,196,0.4);
  transform: translateY(-2px);
}

.book-level {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  background: rgba(78,205,196,0.15);
  border-radius: 4px;
  padding: 0.3rem 0.6rem;
  margin-bottom: 0.8rem;
}

.book-card h4 {
  font-family: var(--display);
  font-size: 1.1rem;
  color: var(--ghost);
  margin: 0 0 0.8rem;
}

.book-card p {
  font-size: 0.9rem !important;
  line-height: 1.6 !important;
  margin: 0 !important;
}

/* ---------- Related Articles ---------- */
.related-articles {
  margin: 3rem 0 2rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(123,94,167,0.2);
}

.related-articles__title {
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  margin: 0 0 1.5rem;
}

.related-articles__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.related-card {
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, rgba(20,20,34,0.5), rgba(15,15,26,0.7));
  border: 1px solid rgba(123,94,167,0.25);
  border-radius: 12px;
  padding: 1.2rem 1.4rem;
  text-decoration: none;
  transition: all 0.3s;
}

.related-card:hover {
  border-color: rgba(78,205,196,0.5);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(78,205,196,0.15);
}

.related-card__cluster {
  font-family: var(--sans);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.5rem;
}

.related-card__title {
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ghost);
  line-height: 1.3;
  margin-bottom: 0.4rem;
}

.related-card__desc {
  font-family: var(--sans);
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--silver);
  flex: 1;
}

@media (max-width: 560px) {
  .related-articles__grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Article Navigation ---------- */
.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 4rem 0 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(123,94,167,0.2);
}

.article-nav__btn {
  font-family: var(--display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ghost);
  background: linear-gradient(120deg, rgba(123,94,167,0.3), rgba(78,205,196,0.2));
  border: 1px solid rgba(78,205,196,0.4);
  border-radius: 10px;
  padding: 0.9rem 1.5rem;
  text-decoration: none;
  transition: all 0.3s;
  flex: 1;
  text-align: center;
}

.article-nav__btn:hover {
  background: linear-gradient(120deg, rgba(123,94,167,0.5), rgba(78,205,196,0.4));
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(78,205,196,0.2);
}

.article-nav__btn--back {
  text-align: left;
}

.article-nav__btn--next {
  text-align: right;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .article-title {
    font-size: 2rem;
  }
  
  .article-subtitle {
    font-size: 1.05rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .info-grid,
  .meaning-grid,
  .book-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline::before {
    left: 15px;
  }
  
  .timeline-item {
    padding-left: 50px;
  }
  
  .timeline-marker {
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
  }
  
  .article-nav {
    flex-direction: column;
  }
  
  .article-nav__btn--back,
  .article-nav__btn--next {
    text-align: center;
  }
}

@media (max-width: 560px) {
  .article-title {
    font-size: 1.7rem;
  }
  
  .article-lead {
    font-size: 1.1rem;
  }
  
  .article-section p {
    font-size: 1rem;
  }
  
  .quote-box {
    padding: 1.2rem 1.5rem;
  }
}