@media (max-width: 480px) {
  :root {
    --font-md: 14px;
    --font-lg: 16px;
    --font-xl: 18px;
    --font-xxl: 24px;
    --space-lg: 16px;
    --space-xl: 24px;
  }
  body.no-scroll {
    overflow: hidden;
  }

  .nav-links {
    display: none;
  }
  .nav-toggle {
    display: block;
  }

  .overview-title {
    .overview-title {
      font-size: 20px;
    }
    .overview-cards {
      grid-template-columns: 1fr;
    }
  }
  .problem-title {
    font-size: 20px;
  }
  .problem-subtitle {
    font-size: 14px;
  }
  .problem-box p {
    font-size: 14px;
  }

  .process-title {
    font-size: 20px;
  }
  .process-cards {
    grid-template-columns: 1fr;
  }

  .research-title {
    font-size: 20px;
  }
  .research-summary p {
    font-size: 14px;
  }
  .question-card {
    font-size: 14px;
  }

  .persona-info {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }
  .personas-title {
    font-size: 20px;
  }
  .persona-insights p {
    font-size: 14px;
  }
  .wireframes-title {
    font-size: 20px;
  }
  .wireframe-impact h3 {
    font-size: 18px;
  }
  .wireframe-impact p {
    font-size: 14px;
  }
  .mid-title {
    font-size: 20px;
  }
  .mid-impact h3 {
    font-size: 18px;
  }
  .mid-impact p {
    font-size: 14px;
  }
  .high-title {
    font-size: 20px;
  }
  .high-impact h3 {
    font-size: 18px;
  }
  .high-impact p {
    font-size: 14px;
  }
  .high-card img {
    height: 220px;
  }
  .feedback-title {
    font-size: 20px;
  }
  .feedback-impact h3 {
    font-size: 18px;
  }
  .feedback-impact p {
    font-size: 14px;
  }
  .final-title {
    font-size: 20px;
  }
  .prototype-cta h3 {
    font-size: 18px;
  }
  body section {
    padding: 3rem 0.8rem !important;
  }
}