.puante-nav {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  color: #fff;
  background: transparent;
  transition: background-color 0.25s ease, box-shadow 0.25s ease;
}

.puante-nav.is-scrolled {
  color: #32281f;
  background: rgba(255, 248, 237, 0.92);
  box-shadow: 0 8px 30px rgba(68, 49, 31, 0.1);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

[data-page="product-detail"] .puante-nav,
[data-page="news-detail"] .puante-nav,
[data-page="knowledge-detail"] .puante-nav,
[data-page="symptom-detail"] .puante-nav {
  color: #32281f;
  background: rgba(255, 248, 237, 0.96);
  box-shadow: 0 8px 30px rgba(68, 49, 31, 0.1);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

[data-page="product-detail"] .puante-nav .puante-nav__logo-image--light,
[data-page="news-detail"] .puante-nav .puante-nav__logo-image--light,
[data-page="knowledge-detail"] .puante-nav .puante-nav__logo-image--light,
[data-page="symptom-detail"] .puante-nav .puante-nav__logo-image--light {
  opacity: 0;
}

[data-page="product-detail"] .puante-nav .puante-nav__logo-image--brand,
[data-page="news-detail"] .puante-nav .puante-nav__logo-image--brand,
[data-page="knowledge-detail"] .puante-nav .puante-nav__logo-image--brand,
[data-page="symptom-detail"] .puante-nav .puante-nav__logo-image--brand {
  opacity: 1;
}

.puante-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 64px), 1180px);
  min-height: 72px;
  margin: 0 auto;
}

.puante-nav__logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.puante-nav__logo-stage {
  position: relative;
  display: block;
  width: 132px;
  height: 50px;
}

.puante-nav__logo-image {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
  transition: opacity 180ms ease;
}

.puante-nav__logo-image--light {
  opacity: 1;
}

.puante-nav__logo-image--brand {
  opacity: 0;
}

.puante-nav.is-scrolled .puante-nav__logo-image--light {
  opacity: 0;
}

.puante-nav.is-scrolled .puante-nav__logo-image--brand {
  opacity: 1;
}

.puante-nav__menu {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.35vw, 24px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.puante-nav__item {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 0;
}

.puante-nav a {
  color: #ffffff;
  text-decoration: none;
}

.puante-nav__item>a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 16px;
  line-height: 1.2;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.puante-nav.is-scrolled .puante-nav__item>a {
  text-shadow: none;
  color: #000;
}

.puante-nav__item>a:hover,
.puante-nav__item:focus-within>a,
.puante-nav__item.is-active>a {
  color: #db7b25;
}

.puante-nav a:focus-visible {
  outline: 3px solid #db7b25;
  outline-offset: 3px;
}

.puante-nav__submenu {
  position: absolute;
  top: calc(100% - 4px);
  left: -14px;
  display: none;
  min-width: 180px;
  margin: 0;
  padding: 8px;
  list-style: none;
  color: #32281f;
  background: rgba(255, 248, 237, 0.98);
  border: 1px solid rgba(219, 123, 37, 0.14);
  border-radius: 12px;
  box-shadow: 0 12px 28px rgba(68, 49, 31, 0.14);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.puante-nav__item:hover .puante-nav__submenu,
.puante-nav__item:focus-within .puante-nav__submenu {
  display: block;
}

.puante-nav__submenu a {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding: 9px 12px;
  font-size: 14px;
  line-height: 1.4;
  border-radius: 8px;
  color: #000000;
}

.puante-nav__submenu a:hover,
.puante-nav__submenu a:focus-visible {
  color: #db7b25;
  background: rgba(255, 232, 202, 0.5);
}

.puante-nav__product-menu {
  position: absolute;
  z-index: 1;
  top: calc(100% - 4px);
  left: 0;
  display: none;
  width: min(390px, calc(100vw - 40px));
  height: min(232px, calc(100vh - 92px));
  grid-template-columns: 48% minmax(0, 1fr);
  overflow: hidden;
  color: #32281f;
  background: #fff9f3;
  border: 1px solid rgba(142, 107, 79, 0.14);
  border-radius: 12px;
  box-shadow: 0 10px 24px rgba(68, 49, 31, 0.18);
}

.puante-nav__item--products:hover .puante-nav__product-menu,
.puante-nav__item--products:focus-within .puante-nav__product-menu {
  display: grid;
}

.puante-nav__product-parents {
  display: block;
  min-height: 0;
  margin: 0;
  padding: 7px 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: rgba(219, 123, 37, 0.42) transparent;
  list-style: none;
  border-right: 1px solid rgba(142, 107, 79, 0.16);
}

.puante-nav__product-parents>li {
  min-width: 0;
}

.puante-nav__product-parents>li>a {
  min-height: 36px;
  padding: 7px 16px 7px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #32281f;
  font-size: 14px;
  letter-spacing: 0;
}

.puante-nav__product-parents>li>a::after {
  width: 6px;
  height: 6px;
  margin-left: 10px;
  content: '';
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: rotate(45deg);
}

.puante-nav__product-parents>li>a:hover,
.puante-nav__product-parents>li>a:focus-visible,
.puante-nav__product-parents>li.is-active>a,
.puante-nav__product-parents>li>a[aria-selected='true'] {
  color: #ff6b00;
  background: rgba(255, 107, 0, 0.06);
}

.puante-nav__product-children {
  min-width: 0;
  min-height: 0;
  padding: 7px 20px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: rgba(219, 123, 37, 0.32) transparent;
}

.puante-nav__product-panel {
  display: none;
}

.puante-nav__product-panel.is-active {
  display: block;
}

.puante-nav__product-leaf,
.puante-nav__category-children a {
  min-height: 36px;
  padding: 7px 0;
  display: flex;
  align-items: center;
  color: #4b4743;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0;
}

.puante-nav__product-leaf:hover,
.puante-nav__product-leaf:focus-visible,
.puante-nav__category-children a:hover,
.puante-nav__category-children a:focus-visible,
.puante-nav__category-children a[aria-current='page'] {
  color: #ff6b00;
  background: transparent;
}

.puante-nav__category-children {
  margin: 0;
  padding: 0;
  list-style: none;
}

.puante-nav__product-parents::-webkit-scrollbar,
.puante-nav__product-children::-webkit-scrollbar {
  width: 5px;
}

.puante-nav__product-parents::-webkit-scrollbar-thumb,
.puante-nav__product-children::-webkit-scrollbar-thumb {
  background: rgba(219, 123, 37, 0.38);
  border-radius: 5px;
}

.puante-nav__product-parents::-webkit-scrollbar-track,
.puante-nav__product-children::-webkit-scrollbar-track {
  background: transparent;
}

@media (max-width: 900px) {
  .puante-nav__product-menu {
    left: 50%;
    transform: translateX(-50%);
  }
}

[data-page="product-detail"] .puante-nav .puante-nav__item>a,
[data-page="news-detail"] .puante-nav .puante-nav__item>a,
[data-page="knowledge-detail"] .puante-nav .puante-nav__item>a,
[data-page="symptom-detail"] .puante-nav .puante-nav__item>a {
  color: #000;
}

@media (prefers-reduced-motion: reduce) {
  .puante-nav__logo-image {
    transition: none;
  }
}