/* ============================================================
   NAVIGATION.CSS
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--nav-height);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-md);
}

/* ---- Logo ---- */

.site-logo img {
  /* height: 44px; */
  height: 52px;
  width: auto;
}

.site-logo-text {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

/* ---- Main nav ---- */

.main-nav-list {
  display: flex;
  align-items: center;
  gap: 0;
}

.main-nav-list li {
  position: relative;
}

.main-nav-list a {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-ink-muted);
  transition: color var(--ease);
  white-space: nowrap;
}

.main-nav-list a:hover,
.main-nav-list .current-menu-item>a,
.main-nav-list .current-page-ancestor>a {
  color: var(--color-accent-dark);
}

/* Sub-menu */
.main-nav-list .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  min-width: 200px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity var(--ease), transform var(--ease);
  z-index: 100;
}

.main-nav-list li:hover>.sub-menu,
.main-nav-list li:focus-within>.sub-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.main-nav-list .sub-menu a {
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--color-border);
}

.main-nav-list .sub-menu li:last-child a {
  border-bottom: none;
}

/* ---- Header actions ---- */

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-ink-muted);
}

.header-phone:hover {
  color: var(--color-accent-dark);
}

.nav-cart-link {
  position: relative;
  display: flex;
  align-items: center;
  font-size: 1.1rem;
  color: var(--color-ink-muted);
  transition: color var(--ease);
}

.nav-cart-link:hover {
  color: var(--color-accent-dark);
}

.cart-count {
  position: absolute;
  top: -8px;
  right: -10px;
  background: var(--color-accent);
  color: #2d4000;
  font-size: 0.65rem;
  font-weight: 700;
  line-height: 1;
  padding: 2px 5px;
  border-radius: 999px;
  min-width: 18px;
  text-align: center;
}

/* ---- Mobile toggle ---- */

.nav-toggle {
  display: none;
  position: relative;
  z-index: 1001;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--color-ink);
  padding: 0.25rem;
}

.nav-toggle .fa-bars,
.nav-toggle .nav-toggle-close {
  display: none;
}

.nav-toggle[aria-expanded="false"] .fa-bars {
  display: block;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-close {
  display: block;
}

/* ---- Mobile nav ---- */

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .header-phone span {
    display: none;
  }

  .main-nav {
    position: fixed;
    top: var(--nav-height-mobile);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    z-index: 999;
    overflow-y: auto;
    padding: var(--space-md);
    transform: translateX(100%);
    transition: transform var(--ease-slow);
    visibility: hidden;
    height: 100vh;
  }

  .main-nav.is-open {
    transform: translateX(0);
    visibility: visible;
  }

  .main-nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .main-nav-list>li {
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }

  .main-nav-list a {
    padding: 1rem 0;
    font-size: 1rem;
  }

  .main-nav-list .sub-menu {
    position: static;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    box-shadow: none;
    border: none;
    border-left: 3px solid var(--color-accent);
    padding-left: var(--space-sm);
    margin-bottom: 0.5rem;
  }
}