:root {
  --color-brand: #000000;
  --color-cta: #FF5722;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.article-hero {
  position: relative;
  min-height: 450px;
  overflow: hidden;
  background: var(--color-brand);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0.5;
}

.hero-overlay {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px 24px;
  max-width: 800px;
}

.hero-overlay .hero-icon {
  margin-bottom: 16px;
  opacity: 0.9;
}

.hero-overlay h1 {
  font-family: var(--font-main);
  font-size: 2.2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.6;
  margin: 0 0 12px 0;
}

.hero-overlay p {
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.7);
  margin: 0 0 24px 0;
  line-height: 1.6;
}

.hero-overlay .btn-cta {
  display: inline-block;
  padding: 14px 32px;
  background: var(--color-cta);
  color: #fff;
  text-decoration: none;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 700;
  border-radius: 6px;
  transition: background-color 0.2s;
}

.hero-overlay .btn-cta:hover,
.hero-overlay .btn-cta:focus {
  background: #e64a19;
}

.article-disclaimer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
}

.article-disclaimer p {
  font-size: 0.85rem;
  color: #888;
  line-height: 1.6;
  font-weight: 400;
}

.article-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 32px 40px;
}

.article-section {
  margin-bottom: 48px;
}

.article-section h2 {
  font-family: var(--font-main);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--color-brand);
  line-height: 1.6;
  margin: 0 0 16px 0;
}

.article-section h3 {
  font-family: var(--font-main);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-brand);
  line-height: 1.6;
  margin: 24px 0 12px 0;
}

.article-section p {
  font-family: var(--font-main);
  font-size: 1.05rem;
  font-weight: 400;
  color: #333;
  line-height: 1.7;
  margin: 0 0 16px 0;
}

.article-section ul,
.article-section ol {
  font-family: var(--font-main);
  font-size: 1.05rem;
  font-weight: 400;
  color: #333;
  line-height: 1.7;
  margin: 0 0 16px 0;
  padding-left: 24px;
}

.article-section li {
  margin-bottom: 8px;
}

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 24px 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-main);
  font-size: 0.95rem;
}

.data-table thead {
  background: var(--color-brand);
}

.data-table thead th {
  padding: 14px 20px;
  text-align: left;
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
  border-bottom: 2px solid #222;
}

.data-table tbody tr {
  border-bottom: 1px solid #eee;
}

.data-table tbody tr:hover {
  background: #f5f5f5;
}

.data-table td {
  padding: 14px 20px;
  font-weight: 400;
  color: #333;
  line-height: 1.6;
}

.table-highlight {
  background: #f5f5f5;
  font-weight: 700;
  color: var(--color-brand);
}

.table-highlight td {
  font-weight: 700;
  color: var(--color-brand);
}

.timeline-container {
  margin: 32px 0;
}

.timeline {
  position: relative;
  padding-left: 36px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: #ddd;
}

.timeline-item {
  position: relative;
  margin-bottom: 28px;
  padding-left: 16px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -32px;
  top: 8px;
  width: 14px;
  height: 14px;
  background: var(--color-cta);
  border-radius: 50%;
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--color-cta);
}

.timeline-content {
  padding: 20px 24px;
  background: #fafafa;
  border-radius: 8px;
  border: 1px solid #eee;
  position: relative;
  transition: box-shadow 0.2s;
}

.timeline-content:hover {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.timeline-label {
  display: inline-block;
  font-family: var(--font-main);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-cta);
  margin-right: 12px;
  vertical-align: middle;
}

.timeline-date {
  display: inline-block;
  font-family: var(--font-main);
  font-size: 0.8rem;
  font-weight: 400;
  color: #999;
  vertical-align: middle;
}

.timeline-content h3 {
  font-family: var(--font-main);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-brand);
  line-height: 1.6;
  margin: 8px 0;
}

.timeline-content p {
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 400;
  color: #444;
  line-height: 1.6;
  margin: 0;
}

.timeline-tooltip {
  position: absolute;
  right: 20px;
  top: 16px;
  display: none;
  background: var(--color-brand);
  color: #fff;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 400;
  white-space: nowrap;
  z-index: 10;
}

.timeline-tooltip::after {
  content: '';
  position: absolute;
  left: -6px;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-right-color: var(--color-brand);
  border-left: 0;
}

.timeline-content:hover .timeline-tooltip {
  display: block;
}

.pros-cons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 24px 0;
}

.pros-list,
.cons-list {
  padding: 24px;
  border-radius: 8px;
  border: 1px solid #eee;
  background: #fafafa;
}

.pros-list h3 {
  font-family: var(--font-main);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-brand);
  line-height: 1.6;
  margin: 0 0 16px 0;
}

.cons-list h3 {
  font-family: var(--font-main);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-brand);
  line-height: 1.6;
  margin: 0 0 16px 0;
}

.pros-list ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.cons-list ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pros-list li {
  padding: 10px 0;
  border-bottom: 1px solid #eee;
  font-size: 0.95rem;
  font-weight: 400;
  color: #333;
  line-height: 1.6;
  padding-left: 0;
}

.cons-list li {
  padding: 10px 0;
  border-bottom: 1px solid #eee;
  font-size: 0.95rem;
  font-weight: 400;
  color: #333;
  line-height: 1.6;
  padding-left: 0;
}

.pros-list li:last-child,
.cons-list li:last-child {
  border-bottom: none;
}

.related-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin: 24px 0;
}

.related-card {
  background: #fafafa;
  border: 1px solid #eee;
  border-radius: 8px;
  padding: 20px;
  transition: box-shadow 0.2s;
}

.related-card:hover {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.related-card h4 {
  font-family: var(--font-main);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.6;
  margin: 0 0 8px 0;
}

.related-card h4 a {
  color: var(--color-brand);
  text-decoration: none;
}

.related-card h4 a:hover,
.related-card h4 a:focus {
  color: var(--color-cta);
}

.related-card p {
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 400;
  color: #666;
  line-height: 1.6;
  margin: 0;
}

.skip-to-content {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-cta);
  color: #fff;
  padding: 10px 18px;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 6px;
  z-index: 10001;
  text-decoration: none;
}

.skip-to-content:focus {
  top: 12px;
}

*:focus-visible {
  outline: 2px solid var(--color-cta);
  outline-offset: 2px;
}

@media (max-width: 768px) {
  .article-hero {
    min-height: 320px;
  }

  .hero-overlay h1 {
    font-size: 1.5rem;
  }

  .hero-overlay p {
    font-size: 0.85rem;
  }

  .hero-overlay .btn-cta {
    padding: 12px 24px;
    font-size: 0.9rem;
  }

  .article-content {
    padding: 16px 20px 32px;
  }

  .article-disclaimer {
    padding: 12px 20px;
  }

  .article-section h2 {
    font-size: 1.35rem;
  }

  .article-section h3 {
    font-size: 1.1rem;
  }

  .article-section p,
  .article-section ul,
  .article-section ol {
    font-size: 1rem;
  }

  .data-table {
    font-size: 0.85rem;
  }

  .data-table thead th,
  .data-table td {
    padding: 10px 12px;
  }

  .timeline-content {
    padding: 16px;
  }

  .timeline-content h3 {
    font-size: 1rem;
  }

  .timeline-content p {
    font-size: 0.9rem;
  }

  .timeline-tooltip {
    display: none !important;
  }

  .pros-cons {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .related-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .article-hero {
    min-height: 280px;
  }

  .hero-overlay {
    padding: 24px 16px;
  }

  .hero-overlay h1 {
    font-size: 1.3rem;
  }

  .article-section {
    margin-bottom: 32px;
  }

  .data-table {
    font-size: 0.8rem;
  }

  .data-table thead th,
  .data-table td {
    padding: 8px 10px;
  }

  .pros-list,
  .cons-list {
    padding: 16px;
  }

  .related-card {
    padding: 16px;
  }
}