.cts-ast {
  --cts-ast-line: #cbd5e1;
  --cts-ast-marker: #2563eb;
  --cts-ast-card: #ffffff;
  --cts-ast-border: #dbe3ec;
  --cts-ast-text: #172033;
  color: var(--cts-ast-text);
  margin-block: 2rem;
}

.cts-ast > h2 {
  margin-block: 0 1.5rem;
  text-align: center;
}

.cts-ast__intro {
  color: #475569;
  margin: -0.75rem auto 1.75rem;
  max-width: 48rem;
  text-align: center;
}

.cts-ast__events {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.cts-ast__events::before {
  background: var(--cts-ast-line);
  bottom: 0;
  content: "";
  left: 50%;
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  width: 2px;
}

.cts-ast__event {
  box-sizing: border-box;
  padding: 0 2rem 1.5rem 0;
  position: relative;
  width: 50%;
}

.cts-ast__event::before {
  background: var(--cts-ast-card);
  border: 4px solid var(--cts-ast-marker);
  border-radius: 50%;
  box-sizing: border-box;
  content: "";
  height: 1rem;
  position: absolute;
  right: -0.5rem;
  top: 1.25rem;
  width: 1rem;
  z-index: 1;
}

.cts-ast__event:nth-child(even) {
  margin-left: 50%;
  padding-left: 2rem;
  padding-right: 0;
}

.cts-ast__event:nth-child(even)::before {
  left: -0.5rem;
  right: auto;
}

.cts-ast__card {
  background: var(--cts-ast-card);
  border: 1px solid var(--cts-ast-border);
  border-radius: 0.75rem;
  box-shadow: 0 0.4rem 1rem rgba(15, 23, 42, 0.07);
  padding: 1.25rem;
}

.cts-ast__event--current .cts-ast__card {
  border-color: #2563eb;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12), 0 0.4rem 1rem rgba(15, 23, 42, 0.09);
}

.cts-ast__event--complete::before {
  background: #166534;
  border-color: #166534;
}

.cts-ast__event--current::before {
  background: #2563eb;
  border-color: #bfdbfe;
}

.cts-ast__event--upcoming::before {
  background: #ffffff;
  border-color: #64748b;
}

.cts-ast__status {
  background: #eff6ff;
  border-radius: 999px;
  color: #1d4ed8;
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin: 0 0 0.5rem;
  padding: 0.25rem 0.65rem;
  text-transform: uppercase;
}

.cts-ast__event--complete .cts-ast__status {
  background: #dcfce7;
  color: #166534;
}

.cts-ast__event--upcoming .cts-ast__status {
  background: #f1f5f9;
  color: #475569;
}

.cts-ast__card h3 {
  font-size: 1.25rem;
  margin-block: 0.25rem 0.75rem;
}

.cts-ast__date {
  color: #1d4ed8;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-block: 0;
}

.cts-ast__description p {
  margin-block: 0 0.75rem;
}

.cts-ast__link {
  font-weight: 700;
}

.cts-ast--left > h2 {
  text-align: left;
}

.cts-ast--left .cts-ast__intro {
  margin-left: 0;
  text-align: left;
}

.cts-ast--left .cts-ast__events::before {
  left: 0.5rem;
}

.cts-ast--left .cts-ast__event,
.cts-ast--left .cts-ast__event:nth-child(even) {
  margin-left: 0;
  padding: 0 0 1.5rem 2.5rem;
  width: 100%;
}

.cts-ast--left .cts-ast__event::before,
.cts-ast--left .cts-ast__event:nth-child(even)::before {
  left: 0;
  right: auto;
}

@media (max-width: 700px) {
  .cts-ast > h2 {
    text-align: left;
  }

  .cts-ast__intro {
    margin-left: 0;
    text-align: left;
  }

  .cts-ast__events::before {
    left: 0.5rem;
  }

  .cts-ast__event,
  .cts-ast__event:nth-child(even) {
    margin-left: 0;
    padding: 0 0 1.25rem 2.5rem;
    width: 100%;
  }

  .cts-ast__event::before,
  .cts-ast__event:nth-child(even)::before {
    left: 0;
    right: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cts-ast *,
  .cts-ast *::before,
  .cts-ast *::after {
    scroll-behavior: auto !important;
  }
}