.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: 0.4s;
  z-index: 40;
}

.nav-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

.site-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 26rem;
  max-width: 100%;
  height: 100%;
  background: var(--butter);
  color: var(--ink);
  padding: 1.5rem;
  overflow: hidden;
  visibility: hidden;
  transition: right 0.4s, visibility 0.4s;
  z-index: 50;
}

.site-nav.is-open {
  right: 0;
  visibility: visible;
  box-shadow: 0 0 2rem rgba(0, 0, 0, 0.4);
}

.nav-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--sage-line);
}

.nav-brand {
  font-family: Georgia, serif;
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--forest);
}

.nav-close {
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: 1px solid var(--forest);
  border-radius: 50%;
  cursor: pointer;
}

.nav-close span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1rem;
  height: 2px;
  margin-left: -0.5rem;
  background: var(--forest);
}

.nav-close span:first-child {
  transform: rotate(45deg);
}

.nav-close span:last-child {
  transform: rotate(-45deg);
}

.nav-list {
  list-style: none;
  margin: 1.5rem 0 0 0;
  padding: 0;
  counter-reset: szamlalo;
}

.nav-list li {
  counter-increment: szamlalo;
  border-bottom: 1px solid var(--moss);
}

.nav-list a {
  display: block;
  padding: 1rem 0;
  font-family: Georgia, serif;
  font-size: 1.6rem;
  color: var(--forest);
}

.nav-list a::before {
  content: counter(szamlalo, decimal-leading-zero);
  margin-right: 1rem;
  font-family: Arial, sans-serif;
  font-size: 0.7rem;
  color: var(--gold);
}

.nav-list a:hover {
  color: var(--gold);
}

.nav-foliage {
  position: absolute;
  right: -3rem;
  bottom: 2rem;
  width: 12rem;
  height: 12rem;
  z-index: -1;
}