.product-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--cyan, #00b0f0);
  background: rgba(255, 255, 255, 0.98);
}

.product-nav__inner {
  width: min(1160px, calc(100% - 48px));
  min-height: 72px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(24px, 4vw, 56px);
}

.product-nav__identity {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 16px;
}

.product-nav__brand {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  text-decoration: none;
}

.product-nav__brand img {
  display: block;
  width: auto;
  height: 32px;
}

.product-nav__product {
  padding-left: 16px;
  border-left: 1px solid var(--cyan, #00b0f0);
  color: var(--navy, #002060);
  font-size: 0.875rem;
  font-weight: 650;
  letter-spacing: -0.015em;
  line-height: 1;
  white-space: nowrap;
}

.product-nav__menu {
  min-width: 0;
}

.product-nav__menu > .product-nav__trigger {
  display: none;
}

.product-nav__links {
  display: flex !important;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 2.2vw, 28px);
}

.product-nav__links a {
  position: relative;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--blue, #0070c0);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}

.product-nav__links a::after {
  position: absolute;
  right: 0;
  bottom: 7px;
  left: 0;
  height: 1px;
  background: var(--cyan, #00b0f0);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease-out;
}

.product-nav__links a:hover,
.product-nav__links a:focus-visible {
  color: var(--navy, #002060);
}

.product-nav__links a:hover::after,
.product-nav__links a:focus-visible::after {
  transform: scaleX(1);
}

.product-nav__language,
.product-nav__menu {
  position: relative;
}

.product-nav summary {
  list-style: none;
}

.product-nav summary::-webkit-details-marker {
  display: none;
}

.product-nav__trigger {
  min-width: 60px;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid rgba(0, 112, 192, 0.45);
  border-radius: 5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  color: var(--navy, #002060);
  background: var(--white, #ffffff);
  cursor: pointer;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 650;
  line-height: 1;
  transition: border-color 160ms ease-out, background-color 160ms ease-out;
}

.product-nav__trigger:hover,
.product-nav details[open] > .product-nav__trigger,
.product-nav__menu[data-menu-open] > .product-nav__trigger {
  border-color: var(--blue, #0070c0);
  background: var(--pale-blue, #f3fbff);
}

.product-nav__chevron {
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 160ms ease-out;
}

.product-nav details[open] > .product-nav__trigger .product-nav__chevron {
  transform: translateY(2px) rotate(225deg);
}

.product-nav__language-list,
.product-nav__links {
  margin: 0;
}

.product-nav__language-list {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 196px;
  padding: 8px;
  border: 1px solid var(--cyan, #00b0f0);
  border-radius: 6px;
  display: grid;
  gap: 2px;
  background: var(--white, #ffffff);
  box-shadow: 0 16px 32px rgba(0, 32, 96, 0.1);
}

.product-nav__language-list button {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 0;
  border-radius: 4px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  color: var(--blue, #0070c0);
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-size: 0.875rem;
  text-align: left;
}

.product-nav__language-list button span:last-child {
  color: inherit;
  font-size: 0.75rem;
  font-weight: 650;
}

.product-nav__language-list button:hover,
.product-nav__language-list button:focus-visible,
.product-nav__language-list button.is-active {
  color: var(--navy, #002060);
  background: var(--pale-blue, #f3fbff);
}

.product-nav__language-list button.is-active {
  font-weight: 650;
}

.product-nav__menu-icon {
  width: 16px;
  display: grid;
  gap: 4px;
}

.product-nav__menu-icon::before,
.product-nav__menu-icon::after {
  width: 16px;
  height: 1.5px;
  display: block;
  background: currentColor;
  content: "";
}

.product-nav summary:focus-visible,
.product-nav a:focus-visible,
.product-nav button:focus-visible {
  outline: 3px solid var(--cyan, #00b0f0);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--white, #ffffff);
  background: var(--navy, #002060);
  transform: translateY(-180%);
  transition: transform 160ms ease-out;
}

.skip-link:focus {
  transform: translateY(0);
}

.product-nav ~ main section {
  scroll-margin-top: 88px;
}

@media (max-width: 840px) {
  .product-nav__inner {
    display: flex;
    gap: 10px;
  }

  .product-nav__identity {
    margin-right: auto;
  }

  .product-nav__menu {
    order: 3;
    flex: 0 0 auto;
  }

  .product-nav__language {
    order: 2;
    flex: 0 0 auto;
  }

  .product-nav__menu > .product-nav__trigger {
    display: inline-flex;
  }

  .product-nav__links {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: 224px;
    padding: 8px;
    border: 1px solid var(--cyan, #00b0f0);
    border-radius: 6px;
    display: none !important;
    align-items: stretch;
    gap: 2px;
    background: var(--white, #ffffff);
    box-shadow: 0 16px 32px rgba(0, 32, 96, 0.1);
  }

  .product-nav__menu[data-menu-open] > .product-nav__links {
    display: flex !important;
    flex-direction: column;
  }

  .product-nav__links a {
    width: 100%;
    min-height: 44px;
    padding-inline: 12px;
    border-radius: 4px;
  }

  .product-nav__links a::after {
    display: none;
  }

  .product-nav__links a:hover,
  .product-nav__links a:focus-visible {
    background: var(--pale-blue, #f3fbff);
  }
}

@media (max-width: 480px) {
  .product-nav__inner {
    width: calc(100% - 32px);
  }

  .product-nav__identity {
    gap: 12px;
  }

  .product-nav__brand img {
    height: 28px;
  }

  .product-nav__product {
    padding-left: 12px;
    font-size: 0.8125rem;
  }

  .product-nav__menu-label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .product-nav__menu > .product-nav__trigger {
    min-width: 44px;
    padding-inline: 10px;
  }
}

@media (max-width: 380px) {
  .product-nav__product {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .product-nav *,
  .skip-link {
    transition-duration: 0.01ms !important;
  }
}