@media (max-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .emoji-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .review-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  section {
    padding: 4.5rem 0;
  }
}

@media (max-width: 767px) {
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-main-soft);
    box-shadow: var(--shadow-md);
    flex-direction: column;
    padding: 1.2rem 1.5rem 1.8rem;
    gap: 1.1rem;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--dur-mid) var(--ease-soft), opacity var(--dur-mid) var(--ease-soft);
    z-index: 999;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
  }

  .menu-toggle {
    display: block;
  }

  .enter-btn.header-enter {
    display: none;
  }

  .hero {
    padding: 5rem 0 3rem;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero-banner {
    height: 160px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .emoji-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .role-grid {
    grid-template-columns: 1fr;
  }

  .hero-buttons,
  .hero-stats {
    gap: 1rem;
  }

  section {
    padding: 3.5rem 0;
  }

  .mobile-sticky-enter {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.9rem 1.1rem calc(0.9rem + env(safe-area-inset-bottom));
    background: var(--bg-main-soft);
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.3);
    z-index: 950;
  }

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

  main {
    padding-bottom: 76px;
  }
}

@media (min-width: 768px) {
  .mobile-sticky-enter {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}