.navigation-toggle {
  display: inline-grid;
  inline-size: 3rem;
  block-size: 3rem;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 28%);
  border-radius: 50%;
  background: transparent;
  color: var(--color-surface);
}

.navigation-toggle__line,
.navigation-toggle__line::before,
.navigation-toggle__line::after {
  display: block;
  inline-size: 1.2rem;
  block-size: 2px;
  border-radius: 2px;
  background: currentColor;
  content: '';
}

.navigation-toggle__line { position: relative; }
.navigation-toggle__line::before,
.navigation-toggle__line::after { position: absolute; inset-inline-start: 0; }
.navigation-toggle__line::before { inset-block-start: -0.38rem; }
.navigation-toggle__line::after { inset-block-start: 0.38rem; }

.primary-navigation {
  position: absolute;
  inset-block-start: calc(100% + var(--space-3));
  inset-inline: var(--space-4);
  z-index: 2;
  border: 1px solid rgb(255 255 255 / 15%);
  border-radius: var(--radius-md);
  background: rgb(22 21 23 / 97%);
  box-shadow: var(--shadow-dialog);
}

.primary-navigation[hidden] { display: none; }
.primary-navigation__list { display: grid; margin: 0; padding: var(--space-2); list-style: none; }

.primary-navigation a {
  display: block;
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  color: var(--color-surface);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
}

.primary-navigation a:hover { background: rgb(255 255 255 / 8%); }

@media (width >= 64rem) {
  .navigation-toggle { display: none; }
  .primary-navigation { position: static; display: block !important; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
  .primary-navigation__list { display: flex; gap: var(--space-2); padding: 0; }
  .primary-navigation a { padding: var(--space-2) var(--space-3); }
}