.site-menu {
  position: relative;
  z-index: 10;
  margin-left: auto;
}

.site-menu > summary {
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  padding: 0;
  border-radius: 50%;
  cursor: pointer;
  list-style: none;
}

.site-menu > summary::-webkit-details-marker {
  display: none;
}

.site-menu > summary:hover {
  background: #f5f5f5;
}

.site-menu > summary:focus-visible {
  outline: 2px solid #b81216;
  outline-offset: 2px;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  width: 1.25rem;
  height: 2px;
  display: block;
  border-radius: 1px;
  background: #777;
  transition: transform 160ms ease, top 160ms ease, background 160ms ease;
}

.menu-icon {
  position: relative;
}

.menu-icon::before,
.menu-icon::after {
  position: absolute;
  left: 0;
  content: "";
}

.menu-icon::before {
  top: -6px;
}

.menu-icon::after {
  top: 6px;
}

.site-menu[open] .menu-icon {
  background: transparent;
}

.site-menu[open] .menu-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.site-menu[open] .menu-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.site-menu > nav {
  position: absolute;
  top: calc(100% + 0.45rem);
  right: 0;
  min-width: 9.5rem;
  display: grid;
  gap: 0.1rem;
  padding: 0.4rem;
  border: 1px solid #e5e5e5;
  border-radius: 0.5rem;
  background: #fff;
  box-shadow: 0 0.6rem 1.8rem rgb(0 0 0 / 12%);
  white-space: nowrap;
}

.site-menu > nav a {
  display: block;
  padding: 0.6rem 0.75rem;
  border-radius: 0.3rem;
  color: #666;
  text-decoration: none;
}

.site-menu > nav a:hover,
.site-menu > nav a:focus-visible {
  color: #b81216;
  background: #faf4f4;
  outline: none;
}

.site-menu > nav a[aria-current="page"] {
  color: #b81216;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}