.App {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

html {
  scroll-behavior: smooth;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  section {
    padding: 3.5rem 0;
  }

  .section-title {
    font-size: 2rem;
  }
}