.section-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 812px;
}
.section-header--center {
  align-items: center;
  text-align: center;
  margin-inline: auto;
}
.section-header__title {
  font: var(--type-h2);
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}
.section-header__title .accent { color: var(--color-text-subtle); }
.section-header__body {
  font: 500 20px/1.55 var(--font-sans);
  color: var(--color-text);
  max-width: 60ch;
}
.section-header--center .section-header__body { max-width: 534px; }

.challenge-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.challenge-list__item {
  position: relative;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  font: 400 20px/1.3 var(--font-sans);
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.challenge-list__item:last-child { border-bottom: 0; }