.site-nav {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 100;
}
.nav-toggle {
  background: var(--espresso);
  color: var(--latte);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(59, 36, 24, 0.18);
}
.nav-menu {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 54px;
  left: 0;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(59, 36, 24, 0.18);
  padding: 8px;
  min-width: 160px;
}
.nav-menu.open { display: flex; }
.nav-menu a {
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--espresso);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  white-space: nowrap;
}
.nav-menu a:hover { background: var(--latte); }