.section {
  padding: 3rem 0;
}

.section-title {
  font-size: var(--title-size);
  text-align: center;
  position: relative;
  padding-bottom: 1rem;
  margin-bottom: 2rem;
  color: var(--accent-color);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4rem;
  height: 0.3rem;
  border-radius: 1rem;
  font-weight: bold;
  background: var(--accent-color);
  color: var(--accent-color);
}