#menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 40;
}

#site-menu {
  position: fixed;
  top: 0;
  right: 0;                 
  height: 100vh;
  width: 75%;
  max-width: 24rem;
  background: #f5efe6;  
  border-left: 1px solid rgba(0,0,0,0.1);
  padding: 1.5rem;
  box-shadow: -10px 0 30px rgba(0,0,0,0.15);
  z-index: 50;
  transform: translateX(100%);
  transition: transform 0.3s ease-in-out;
  overflow-y: auto;
}

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

.menu-open #menu-backdrop {
  opacity: 1;
  pointer-events: auto;
}

.menu-open {
  overflow: hidden;
}

#menu-close {
  background: none;
  border: none;
  font-size: 1.35rem;
  cursor: pointer;
  margin-bottom: 1rem;
  float: right;
}

#site-menu nav {
  margin-top: 6rem;          
  width: 100%;                   
  text-align: right;           
  font-family: var(--font-serif);
  list-style: none;
  padding: 0;
  display: block;
}

#site-menu nav a {
  text-decoration: none;
  color: inherit;
  font-size: 1.75rem;
  line-height: 2.8rem;
  text-align: right;
  display: block;
  font-weight: normal;
  margin-bottom: 0.5rem;
  transition: transform 0.3s ease;
}

#site-menu nav a:hover {
  transform: translateX(-12px);
}