@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    min-height: auto;
    padding-top: 1.5rem;
    padding-bottom: 3rem;
  }

  .portrait {
    max-width: 320px;
    margin: 0 auto;
  }

  .hero-copy {
    text-align: center;
  }

  .hero h1,
  .hero-lead {
    margin-left: auto;
    margin-right: auto;
  }

  .cta-group {
    justify-content: center;
  }

  .brand-mark {
    font-size: clamp(2.8rem, 12vw, 4rem);
  }

  .offer-list {
    grid-template-columns: 1fr;
  }

  .offer-list li:nth-child(odd),
  .offer-list li:nth-child(even) {
    padding-left: 0;
    padding-right: 0;
    border-right: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .nav-links {
    gap: 1.1rem;
  }
}

@media (max-width: 480px) {
  .nav-links a:not(.nav-cta) {
    display: none;
  }

  .section-title {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}