.nav-toggle {
  display: none;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: 0;
  padding: 6px;
  margin: -6px;
  cursor: pointer;
  color: var(--ink, #131313);
  line-height: 0;
  position: relative;
  z-index: 100;
}
.nav-toggle:focus-visible {
  outline: 1px solid var(--ink, #131313);
  outline-offset: 4px;
}
.nav-toggle .nt-bar {
  display: block;
  width: 22px;
  height: 1px;
  background: currentColor;
  transition: transform 280ms ease, opacity 200ms ease;
}
.nav-toggle .nt-bar + .nt-bar { margin-top: 6px; }

@media (max-width: 960px) {
  .nav-toggle {
    display: block;
  }
  
  .nav-items {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--paper);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 36px;
    z-index: 90;
    opacity: 0;
    pointer-events: none;
    transform: scale(1.02);
    transition: opacity 300ms var(--ease-out), transform 300ms var(--ease-out);
  }
  
  .nav.open .nav-items {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
  }
  
  .nav.open .nav-toggle .nt-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav.open .nav-toggle .nt-bar:nth-child(2) {
    opacity: 0;
  }
  .nav.open .nav-toggle .nt-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}