/* ==========================================================================
   Navbar — fixed, three-zone layout (hamburger | logo | cart)
   ========================================================================== */

.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(245, 243, 236, 0.86);
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  border-bottom: 1px solid var(--line-on-paper);
  transition: box-shadow var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.navbar.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.navbar__inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-4);
}

.navbar__left,
.navbar__right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.navbar__right { justify-content: flex-end; }

.navbar__menu-toggle {
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: var(--radius-sm);
}
.navbar__menu-toggle:hover { background: var(--paper-3); }
.navbar__menu-toggle span {
  width: 20px;
  height: 2px;
  background: var(--ink);
  transition: transform var(--dur-med) var(--ease), opacity var(--dur-med) var(--ease);
}
.navbar__menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.navbar__menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-left: var(--space-4);
}
.navbar__links a {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-on-paper);
  position: relative;
  padding-block: 4px;
}
.navbar__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--amber);
  transition: width var(--dur-fast) var(--ease);
}
.navbar__links a:hover::after,
.navbar__links a[aria-current="page"]::after { width: 100%; }

.navbar__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--ink);
  justify-self: center;
}
.navbar__logo svg { width: 30px; height: 30px; flex-shrink: 0; }
.navbar__wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-md);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.navbar__wordmark .dot { color: var(--amber); }

.navbar__search-toggle,
.navbar__account,
.navbar__cart { color: var(--ink); }

/* ---- Slide-out hamburger drawer ---- */
.nav-drawer {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  visibility: hidden;
}
.nav-drawer[data-open="true"] { visibility: visible; }

.nav-drawer__scrim {
  position: absolute;
  inset: 0;
  background: rgba(16, 32, 47, 0.5);
  opacity: 0;
  transition: opacity var(--dur-med) var(--ease);
}
.nav-drawer[data-open="true"] .nav-drawer__scrim { opacity: 1; }

.nav-drawer__panel {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: min(340px, 86vw);
  background: var(--ink);
  color: var(--text-on-ink);
  padding: var(--space-6) var(--space-5);
  transform: translateX(-100%);
  transition: transform var(--dur-med) var(--ease);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.nav-drawer[data-open="true"] .nav-drawer__panel { transform: translateX(0); }

.nav-drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}
.nav-drawer__close {
  background: transparent;
  border: 1px solid var(--line-on-ink);
  color: var(--text-on-ink);
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-drawer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.nav-drawer__links a {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line-on-ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-drawer__links a span.count {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-on-ink-mute);
}

.nav-drawer__categories {
  margin-top: var(--space-6);
}
.nav-drawer__categories .eyebrow { color: var(--text-on-ink-mute); }
.nav-drawer__categories .eyebrow::before { background: var(--cyan); }
.nav-drawer__cat-list {
  margin-top: var(--space-3);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.nav-drawer__cat-list a {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  border: 1px solid var(--line-on-ink);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-pill);
}
.nav-drawer__cat-list a:hover { border-color: var(--amber); color: var(--amber); }

.nav-drawer__footer {
  margin-top: auto;
  padding-top: var(--space-5);
  border-top: 1px solid var(--line-on-ink);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-on-ink-mute);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

@media (max-width: 900px) {
  .navbar__links { display: none; }
}

/* Compact search box beside the centered logo */
.navbar__center {
  display: flex;
  align-items: center;
}
.navbar__logo {
  display: inline-flex;
}
.navbar__search {
  position: relative;
  display: flex;
  align-items: center;
  margin-left: var(--space-4, 20px);
}
.navbar__search svg {
  position: absolute;
  left: 10px;
  width: 15px;
  height: 15px;
  color: var(--text-on-paper-mute);
  pointer-events: none;
}
.navbar__search input {
  width: 180px;
  padding: 7px 10px 7px 32px;
  border-radius: 999px;
  border: 1px solid var(--line-on-paper);
  background: var(--paper-2);
  font-size: var(--fs-sm);
  color: var(--text-on-paper);
}
.navbar__search input:focus { outline: none; border-color: var(--amber); width: 220px; transition: width 0.2s ease; }
@media (max-width: 900px) {
  .navbar__search { display: none; }
}