/* ═══════════════════════════════════════════
   NAV COMPONENT
═══════════════════════════════════════════ */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: var(--color-bg);
  border-bottom: var(--border-thin);
  display: flex;
  align-items: center;
}

.nav-inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--content-padding);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-2);
}

/* Left links */
.nav-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-link {
  font-family: var(--font-body);
  font-size: var(--size-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-primary);
  transition: color var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-text-secondary);
}

.nav-link.disabled {
  color: var(--color-text-muted);
  pointer-events: none;
}

/* Center logo */
.nav-logo {
  text-align: center;
  justify-self: center;
}

.nav-logo a {
  font-family: var(--font-body);
  font-size: var(--size-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-primary);
  white-space: nowrap;
}

/* Right icons */
.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  justify-content: flex-end;
}

.nav-icon-link {
  font-family: var(--font-body);
  font-size: var(--size-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-primary);
  transition: color var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}

.nav-icon-link:hover {
  color: var(--color-text-secondary);
}

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-text-primary);
  transition: transform var(--duration-normal) var(--ease-out),
              opacity var(--duration-normal) var(--ease-out);
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile nav bag icon */
.nav-bag-mobile {
  display: none;
}

/* Mobile menu drawer */
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 99;
  padding: var(--space-5) var(--content-padding);
  flex-direction: column;
  gap: var(--space-4);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--duration-normal) var(--ease-out),
              opacity var(--duration-normal) var(--ease-out);
}

.nav-mobile-menu.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.nav-mobile-link {
  font-family: var(--font-body);
  font-size: var(--size-md);
  font-weight: var(--weight-light);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-primary);
  padding: var(--space-2) 0;
  border-bottom: var(--border-light);
}

.nav-mobile-link.disabled {
  color: var(--color-text-muted);
}

/* ── Responsive ──────────────────────────── */
@media (max-width: 900px) {
  .nav-left,
  .nav-right {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .nav-bag-mobile {
    display: block;
  }

  .nav-inner {
    grid-template-columns: auto 1fr auto;
  }

  .nav-logo {
    justify-self: center;
  }
}