/* -------------------------------- 
1. Base & Reset (Scoped)
-------------------------------- */
.carbon_content-wrapper *, 
.carbon_content-wrapper *::before, 
.carbon_content-wrapper *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.carbon_content-wrapper {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: #f8fafc;
  color: #334155;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100vw;
  margin: 0 auto;
  padding: 40px 20px;
  margin-left: calc(-20px);
}

/* -------------------------------- 
2. Header Banner 
-------------------------------- */
.carbon_content-wrapper .timeline-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 50px auto;
}

.carbon_content-wrapper .timeline-header h1 {
  font-size: 2.25rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
  line-height: 1.25;
}

.carbon_content-wrapper .timeline-header p {
  font-size: 1.1rem;
  color: #64748b;
}

/* -------------------------------- 
3. Timeline Layout 
-------------------------------- */
.carbon_content-wrapper #cd-timeline {
  position: relative;
  padding: 2rem 0;
  max-width: 1170px;
  margin: 0 auto;
}

.carbon_content-wrapper #cd-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  left: 23px;
  height: 100%;
  width: 4px;
  background: linear-gradient(180deg, #cbd5e1 0%, #0284c7 50%, #cbd5e1 100%);
  border-radius: 2px;
}

@media only screen and (min-width: 1024px) {
  .carbon_content-wrapper #cd-timeline::before {
    left: 50%;
    margin-left: -2px;
  }
}

.carbon_content-wrapper .cd-timeline-block {
  position: relative;
  margin: 3rem 0;
}

.carbon_content-wrapper .cd-timeline-block:first-child { margin-top: 0; }
.carbon_content-wrapper .cd-timeline-block:last-child { margin-bottom: 0; }

.carbon_content-wrapper .cd-timeline-block::after {
  content: "";
  display: table;
  clear: both;
}

/* -------------------------------- 
4. Node Icons 
-------------------------------- */
.carbon_content-wrapper .cd-timeline-img {
  position: absolute;
  top: 6px;
  left: 0;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #0284c7;
  color: #ffffff;
  box-shadow: 0 0 0 4px #ffffff, 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.carbon_content-wrapper .cd-timeline-img svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

@media only screen and (min-width: 1024px) {
  .carbon_content-wrapper .cd-timeline-img {
    width: 56px;
    height: 56px;
    left: 50%;
    margin-left: -28px;
  }
}

/* -------------------------------- 
5. Content Cards 
-------------------------------- */
.carbon_content-wrapper .cd-timeline-content {
  position: relative;
  margin-left: 70px;
  background: #ffffff;
  border-radius: 16px;
  padding: 28px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.carbon_content-wrapper .cd-timeline-content:hover {
  box-shadow: 0 12px 30px -4px rgba(15, 23, 42, 0.08);
}

.carbon_content-wrapper .cd-date-badge {
  display: inline-block;
  padding: 6px 14px;
  background: #e0f2fe;
  color: #0369a1;
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.carbon_content-wrapper .cd-timeline-content h2 {
  font-size: 1.45rem;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: -0.015em;
  line-height: 1.3;
  margin-bottom: 16px;
}

.carbon_content-wrapper .cd-timeline-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: #1e293b;
  margin: 24px 0 12px 0;
  padding-bottom: 6px;
  border-bottom: 2px solid #f1f5f9;
}

.carbon_content-wrapper .cd-timeline-content p {
  font-size: 1rem;
  color: #475569;
  line-height: 1.7;
  margin-bottom: 14px;
}

/* -------------------------------- 
6. Media Containers (Videos & Images)
-------------------------------- */
.carbon_content-wrapper .cd-video-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 12px;
  overflow: hidden;
  margin: 18px 0 22px 0;
  background: #0f172a;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.carbon_content-wrapper .cd-video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.carbon_content-wrapper .cd-image-container {
  width: 100%;
  margin: 20px 0;
  border-radius: 12px;
  overflow: hidden;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.carbon_content-wrapper .cd-image-wrapper {
  width: 100%;
  overflow: hidden;
  position: relative;
  aspect-ratio: 16/9;
  background-color: #e2e8f0;
}

.carbon_content-wrapper .cd-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.carbon_content-wrapper .cd-image-container:hover img {
  transform: scale(1.03);
}

.carbon_content-wrapper .na__timeline-caption {
  font-size: 0.825rem;
  color: #64748b;
  background: #f8fafc;
  padding: 10px 14px;
  border-top: 1px solid #e2e8f0;
  line-height: 1.4;
}

.carbon_content-wrapper .highlight-list {
  list-style: none;
  margin: 16px 0;
}

.carbon_content-wrapper .highlight-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  font-size: 0.975rem;
  color: #334155;
}

.carbon_content-wrapper .highlight-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #0284c7;
}

.carbon_content-wrapper .timeline-quote {
  font-family: 'Merriweather', Georgia, serif;
  font-style: italic;
  background: #f8fafc;
  border-left: 4px solid #0284c7;
  padding: 16px 20px;
  margin: 20px 0;
  border-radius: 0 12px 12px 0;
  color: #334155;
}

.carbon_content-wrapper .timeline-quote cite {
  display: block;
  margin-top: 8px;
  font-family: 'Inter', sans-serif;
  font-style: normal;
  font-size: 0.85rem;
  font-weight: 600;
  color: #64748b;
}

.carbon_content-wrapper .article-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-left: 4px solid #0ea5e9;
  padding: 12px 16px;
  border-radius: 8px;
  margin: 18px 0;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.carbon_content-wrapper .article-card:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
}

.carbon_content-wrapper .article-card-info {
  display: flex;
  flex-direction: column;
}

.carbon_content-wrapper .article-card-domain {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #0284c7;
  letter-spacing: 0.05em;
}

.carbon_content-wrapper .article-card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #0f172a;
  margin-top: 2px;
}

.carbon_content-wrapper .article-card-icon {
  color: #94a3b8;
  font-size: 1.2rem;
  margin-left: 10px;
}

.carbon_content-wrapper .badge-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 18px 0;
}

.carbon_content-wrapper .badge-chip {
  background: #f1f5f9;
  color: #475569;
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 0.825rem;
  font-weight: 500;
  border: 1px solid #e2e8f0;
}

@media only screen and (min-width: 1024px) {
  .carbon_content-wrapper .cd-timeline-content {
    margin-left: 0;
    padding: 32px;
    width: 44%;
  }

  .carbon_content-wrapper .cd-timeline-block:nth-child(even) .cd-timeline-content {
    float: right;
  }

  .carbon_content-wrapper .cd-timeline-block:nth-child(odd) .cd-timeline-content {
    float: left;
  }
}

/* -------------------------------- 
7. Scroll Animations (IntersectionObserver)
-------------------------------- */
.carbon_content-wrapper .cd-timeline-img,
.carbon_content-wrapper .cd-timeline-content {
  opacity: 0;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.carbon_content-wrapper .cd-timeline-img {
  transform: scale(0.4);
}

.carbon_content-wrapper .cd-timeline-img.is-visible {
  opacity: 1;
  transform: scale(1);
}

.carbon_content-wrapper .cd-timeline-content {
  transform: translateY(40px);
}

.carbon_content-wrapper .cd-timeline-content.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media only screen and (min-width: 1024px) {
  .carbon_content-wrapper .cd-timeline-block:nth-child(odd) .cd-timeline-content {
    transform: translateX(-60px) translateY(0);
  }
  
  .carbon_content-wrapper .cd-timeline-block:nth-child(even) .cd-timeline-content {
    transform: translateX(60px) translateY(0);
  }

  .carbon_content-wrapper .cd-timeline-block:nth-child(odd) .cd-timeline-content.is-visible,
  .carbon_content-wrapper .cd-timeline-block:nth-child(even) .cd-timeline-content.is-visible {
    opacity: 1;
    transform: translateX(0) translateY(0);
  }
}