/* Responsive Breakpoints & Mobile Optimization */

/* Mobile viewports (< 768px) */
@media (max-width: 768px) {
  .nav-links {
    gap: 1rem;
    font-size: 0.9rem;
  }

  .hero {
    flex-direction: column-reverse;
    text-align: center;
    padding-top: var(--spacing-lg);
    gap: 2rem;
  }

  .hero-bio {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-avatar {
    width: 200px;
    height: 200px;
    margin: 0 auto;
  }

  .timeline {
    padding-left: 1.5rem;
  }

  .timeline-item::before {
    left: calc(-1.5rem - 6px);
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
  }
}

/* Very Small Mobile (< 480px) */
@media (max-width: 480px) {
  .nav-container {
    padding: 0 1rem;
  }

  .logo {
    font-size: 1.1rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}

/* Widescreen (> 1200px) */
@media (min-width: 1200px) {
  .section {
    padding-top: calc(var(--spacing-xl) * 1.2);
    padding-bottom: calc(var(--spacing-xl) * 1.2);
  }
}