.puante-nav {
    position: fixed;
    z-index: 1000;
    top: 0;
    right: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 68px;
    padding: max(10px, env(safe-area-inset-top)) 18px 10px;
    color: #fff;
    background: transparent;
    border-bottom: 1px solid transparent;
    box-shadow: none;
    transition: background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
  }

  .puante-nav.is-scrolled {
    color: #312720;
    background: rgba(255, 250, 243, 0.94);
    border-bottom-color: rgba(239, 93, 26, 0.12);
    box-shadow: 0 8px 28px rgba(78, 47, 25, 0.08);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
  }

  [data-page="product-detail"] .puante-nav,
  [data-page="news-detail"] .puante-nav {
    position: sticky;
    color: #312720;
    background: rgba(255, 250, 243, 0.97);
    border-bottom-color: rgba(239, 93, 26, 0.12);
    box-shadow: 0 8px 28px rgba(78, 47, 25, 0.08);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
  }

  [data-page="product-detail"] .puante-nav .puante-nav__logo-image--light,
  [data-page="news-detail"] .puante-nav .puante-nav__logo-image--light {
    opacity: 0;
  }
  [data-page="product-detail"] .puante-nav .puante-nav__logo-image--brand { opacity: 1; }
  [data-page="news-detail"] .puante-nav .puante-nav__logo-image--brand { opacity: 1; }
  [data-page="product-detail"] .puante-nav .puante-nav__toggle,
  [data-page="news-detail"] .puante-nav .puante-nav__toggle {
    background: #fff0df;
    border-color: rgba(239, 93, 26, 0.24);
  }
  [data-page="product-detail"] .puante-nav .puante-nav__toggle span,
  [data-page="news-detail"] .puante-nav .puante-nav__toggle span {
    background: #ef5d1a;
  }

  .puante-nav .puante-nav__logo {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
  }

  .puante-nav .puante-nav__logo-stage {
    position: relative;
    display: block;
    width: 112px;
    height: 44px;
  }

  .puante-nav .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 .puante-nav__logo-image--light { opacity: 1; }
  .puante-nav .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 .puante-nav__toggle {
    display: inline-flex;
    flex: 0 0 44px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 44px;
    min-width: 44px;
    min-height: 44px;
    padding: 0;
    color: inherit;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.48);
    border-radius: 50%;
  }

  .puante-nav.is-scrolled .puante-nav__toggle {
    background: #fff0df;
    border-color: rgba(239, 93, 26, 0.24);
  }

  .puante-nav .puante-nav__toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: #fff;
    border-radius: 999px;
    transition: transform 180ms ease, opacity 180ms ease;
  }

  .puante-nav.is-scrolled .puante-nav__toggle span {
    background: #ef5d1a;
  }

  .puante-nav .puante-nav__toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .puante-nav .puante-nav__toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .puante-nav .puante-nav__toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .puante-nav .puante-nav__toggle:focus-visible,
  .puante-nav a:focus-visible {
    outline: 3px solid #3d76b8;
    outline-offset: 3px;
  }

  .puante-nav .puante-nav__panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 14px;
    left: 14px;
    display: grid;
    grid-template-columns: 1fr;
    max-height: min(72vh, 520px);
    overflow-y: auto;
    padding: 10px;
    background: rgba(255, 252, 247, 0.99);
    border: 1px solid rgba(239, 93, 26, 0.18);
    border-radius: 20px;
    box-shadow: 0 24px 60px rgba(78, 47, 25, 0.16);
  }

  .puante-nav .puante-nav__panel[hidden] {
    display: none;
  }

  .puante-nav .puante-nav__list,
  .puante-nav .puante-nav__submenu {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .puante-nav .puante-nav__category-children {
    margin: 0 0 7px 18px;
    padding: 0 0 0 8px;
    list-style: none;
    border-left: 2px solid rgba(239, 93, 26, 0.13);
  }

  .puante-nav .puante-nav__list {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .puante-nav .puante-nav__item + .puante-nav__item {
    border-top: 1px solid rgba(113, 82, 59, 0.09);
  }

  .puante-nav .puante-nav__panel a {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 10px 14px;
    color: #312720;
    font-size: 16px;
    line-height: 1.45;
    text-decoration: none;
    border-radius: 12px;
  }

  .puante-nav .puante-nav__group-label {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 10px 14px;
    color: #312720;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.45;
  }

  .puante-nav .puante-nav__submenu {
    margin: 0 0 7px 14px;
    padding-left: 8px;
    border-left: 2px solid rgba(239, 93, 26, 0.2);
  }

  .puante-nav .puante-nav__submenu a {
    min-height: 44px;
    padding-left: 18px;
    color: #6f5d51;
    font-size: 15px;
  }

  .puante-nav .puante-nav__item.is-active > a,
  .puante-nav .puante-nav__item.is-active > .puante-nav__group-label,
  .puante-nav .puante-nav__category.is-active > a,
  .puante-nav [aria-current="page"] {
    color: #ef5d1a;
    font-weight: 700;
    background: #fff0df;
  }

  .puante-nav .puante-nav__panel a:active {
    color: #ef5d1a;
    background: #fff0df;
  }

  @media (max-width: 360px) {
    .puante-nav {
      padding-right: 12px;
      padding-left: 12px;
    }

    .puante-nav .puante-nav__panel {
      right: 10px;
      left: 10px;
    }
  }

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