.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 0;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  z-index: 102;
  position: relative;
}

.mobile-menu-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #fff;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
  transform-origin: center;
}

.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 99;
  border: 0;
  padding: 0;
  cursor: pointer;
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .site-header__nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 80vw;
    max-width: 320px;
    background-color: var(--color-secondary);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 80px var(--space-lg) var(--space-lg);
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.4);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 100;
    overflow-y: auto;
  }

  .site-header__nav .nav__list {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }

  .site-header__nav a {
    display: block;
    padding: var(--space-md);
    font-size: var(--fs-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .site.menu-open .site-header__nav {
    transform: translateX(0);
  }

  .site.menu-open .mobile-menu-overlay {
    display: block;
  }

  .site.menu-open .mobile-menu-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .site.menu-open .mobile-menu-toggle__bar:nth-child(2) {
    opacity: 0;
  }
  .site.menu-open .mobile-menu-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site.menu-open {
    overflow: hidden;
  }
}