.series-navigation {
  margin: 4rem 0;
  padding: 2rem 0;
  border-top: 1px solid #eee;
}

.series-navigation__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
}

.series-nav {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: #333;
  padding: 1rem;
  border-radius: 8px;
  transition: all 0.2s ease;
  max-width: 45%;
}

.series-nav:hover {
  background-color: #f5f5f5;
  color: #000;
}

.series-nav__text {
  display: flex;
  flex-direction: column;
}

.series-nav__arrow {
  font-size: 1.5rem;
  line-height: 1;
  margin: 0 1rem;
}

.series-nav__label {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #666;
  margin-bottom: 0.25rem;
}

.series-nav__title {
  font-weight: 500;
  line-height: 1.3;
}

.series-nav--prev {
  margin-right: auto;
}

.series-nav--next {
  margin-left: auto;
  text-align: right;
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .series-navigation__inner {
    flex-direction: column;
    gap: 1rem;
  }

  .series-nav {
    max-width: 100%;
  }

  .series-nav--prev,
  .series-nav--next {
    margin: 0;
  }
}