.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: transparent;
  transition: background var(--t-med) var(--ease), border-color var(--t-med) var(--ease);
  padding-top: env(safe-area-inset-top, 0px);
}

.nav.scrolled {
  background: rgba(13, 15, 16, 0.92);
  border-bottom: 1px solid var(--ct-bd-1);
  backdrop-filter: blur(14px);
}

.nav__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--s-4);
  min-height: var(--nav-height);
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  color: var(--ct-tx-1);
  text-decoration: none;
  font-weight: 600;
}

.nav__brand img {
  width: 36px;
  height: 36px;
}

.nav__menu {
  display: none;
  gap: var(--s-5);
  justify-content: center;
  align-items: center;
}

.nav__menu a {
  color: var(--ct-tx-2);
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.nav__actions {
  display: none;
  gap: var(--s-3);
  align-items: center;
}

.nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--r-full);
  border: 1px solid var(--ct-bd-1);
  background: rgba(18, 21, 23, 0.8);
  color: var(--ct-tx-2);
  cursor: pointer;
}

.nav__toggle span {
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
}

.nav__toggle span::before,
.nav__toggle span::after,
.nav__toggle span i {
  content: "";
  width: 18px;
  height: 2px;
  background: currentColor;
  display: block;
}

.nav__toggle span i {
  border: 0;
}

.nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 10, 11, 0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-med) var(--ease);
  z-index: var(--z-modal-backdrop);
}

.nav__overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.nav__drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 85vw);
  background: var(--ct-bg-1);
  border-left: 1px solid var(--ct-bd-1);
  transform: translateX(100%);
  transition: transform var(--t-slow) var(--ease);
  z-index: var(--z-modal);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: calc(var(--s-6) + env(safe-area-inset-top, 0px)) var(--s-5) var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
}

.nav__drawer.open {
  transform: translateX(0);
}

.nav__drawer a {
  color: var(--ct-tx-1);
  text-decoration: none;
  font-size: var(--fs-md);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.nav__drawer-menu {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.nav__drawer-actions {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.nav__drawer-close {
  align-self: flex-end;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--r-full);
  border: 1px solid var(--ct-bd-1);
  background: transparent;
  color: var(--ct-tx-2);
  cursor: pointer;
}

@media (min-width: 1024px) {
  .nav__toggle,
  .nav__drawer,
  .nav__overlay {
    display: none;
  }

  .nav__menu {
    display: inline-flex;
  }

  .nav__actions {
    display: inline-flex;
  }
}