@media (max-width: 1024px) {
  .cards-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid,
  .trainer-banner,
  .care-intro,
  .cta-section__inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .burger {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: rgba(11, 11, 11, 0.98);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
  }

  .nav__link {
    display: block;
    padding: 0.85rem 0.75rem;
    border-radius: 8px;
  }

  .nav__link:hover {
    background: var(--color-accent-soft);
  }

  .nav__dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    display: none;
    min-width: 0;
    box-shadow: none;
    margin: 0.25rem 0 0.5rem;
    background: var(--color-bg-elevated);
  }

  .nav__dropdown.is-open .nav__dropdown-menu {
    display: block;
    transform: none;
  }

  .cards-grid--3,
  .results-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .placeholder-photos {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero__title {
    font-size: clamp(2rem, 9vw, 2.8rem);
  }
}

@media (max-width: 480px) {
  .cards-grid--4 {
    grid-template-columns: 1fr;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .placeholder-photos {
    grid-template-columns: 1fr;
  }

  .ph {
    aspect-ratio: 16/10;
  }
}