/* White navigation bands and grouped links use the site's ZEISS type and palette. */
.navigation {
  gap: clamp(15px, 1.25vw, 24px);
  font-size: 14px;
}
.navigation > a:not(.button),
.nav-trigger {
  white-space: nowrap;
}
.navigation > .button {
  font-size: 14px;
  gap: 12px;
  padding: 13px 16px;
}
.nav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 14px 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--body);
  font-size: inherit;
  line-height: 1.4;
  cursor: pointer;
}
.nav-chevron {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  transition: transform 0.2s;
}
.nav-trigger:hover,
.nav-trigger[aria-expanded="true"],
.nav-current > .nav-trigger {
  color: var(--blue);
}
.nav-current > .nav-trigger {
  text-decoration: underline;
  text-underline-offset: 8px;
}
.nav-trigger[aria-expanded="true"] .nav-chevron {
  transform: rotate(180deg);
}
.nav-fallback-link {
  display: none;
}
.nav-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  width: 100%;
  background: white;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  max-height: calc(100dvh - var(--header-height));
  overflow: auto;
}
.nav-panel[hidden] {
  display: none;
}
.nav-panel-inner {
  display: grid;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin: auto;
  padding: 30px var(--gutter) 32px;
  gap: 48px;
}
.nav-lenses-layout {
  grid-template-columns: 1fr 1.12fr 0.9fr;
}
.nav-group-title {
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
  line-height: 1.4;
}
.nav-link-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav-link-group li > a,
.nav-overview > a {
  display: flex;
  align-items: center;
  min-height: 44px;
  width: fit-content;
  font-size: 16px;
  line-height: 1.45;
}
.nav-panel a:hover,
.footer-nav-group a:hover {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 5px;
}
.nav-technology {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.nav-link-group .nav-detail-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--blue);
  font-size: 13px;
}
.nav-panel .icon {
  width: 1.2em;
  height: 1.2em;
  flex: 0 0 1.2em;
}
.nav-overview > p:not(.nav-group-title) {
  max-width: 310px;
  margin: 0 0 17px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}
.nav-overview > a {
  gap: 12px;
  color: var(--blue);
}
.nav-care-layout {
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding-block: 36px 40px;
}
.nav-care-link {
  display: block;
}
.nav-care-title {
  display: flex;
  align-items: start;
  gap: 12px;
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 17px;
  line-height: 1.45;
}
.nav-care-title .icon {
  margin-top: 0.13em;
}
.nav-care-description {
  display: block;
  max-width: 260px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}
.nav-care-link:hover .nav-care-description {
  text-decoration: none;
}
.site-footer {
  padding-block: 45px 26px;
}
.site-footer .footer-top {
  display: grid;
  grid-template-columns: 0.85fr 2.35fr auto;
  align-items: start;
  gap: 32px;
}
.site-footer .footer-top .brand {
  margin-top: -20px;
}
.site-footer .footer-top nav {
  display: grid;
  grid-template-columns: 1fr 0.95fr 1.4fr;
  gap: 28px;
}
.footer-nav-group {
  min-width: 0;
}
.footer-nav-group > p {
  margin: 0 0 11px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
}
.site-footer .footer-nav-group > a {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding-block: 9px;
  font-size: 14px;
  line-height: 1.45;
}
.site-footer .back-top {
  white-space: nowrap;
}
.site-footer .footer-bottom {
  align-items: center;
  font-size: 12px;
  padding-top: 25px;
  margin-top: 32px;
}
.site-footer .footer-bottom > a {
  font-size: 14px;
  flex-shrink: 0;
}
.site-footer .footer-bottom > a .icon {
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
}
@media (max-width: 1200px) {
  .nav-panel-inner {
    gap: 32px;
    padding-inline: var(--gutter);
  }
  .site-footer .footer-top {
    grid-template-columns: 1fr auto;
    gap: 20px 32px;
  }
  .site-footer .footer-top nav {
    grid-column: 1 / -1;
    grid-row: 2;
    gap: 32px;
  }
  .site-footer .footer-top .back-top {
    justify-self: end;
  }
}
@media (max-width: 1100px) {
  .navigation {
    display: none;
    padding: 14px var(--gutter) 26px;
    box-shadow: none;
    gap: 0;
    font-size: 16px;
    overscroll-behavior: contain;
  }
  .navigation.is-open {
    display: flex;
  }
  .navigation > a:not(.button) {
    min-height: 52px;
    padding-block: 15px;
  }
  .nav-disclosure {
    width: 100%;
  }
  .nav-trigger {
    width: 100%;
    justify-content: space-between;
    min-height: 52px;
    padding-block: 15px;
    font-size: 16px;
  }
  .nav-current > .nav-trigger {
    text-underline-offset: 5px;
  }
  .nav-panel {
    position: static;
    max-height: none;
    overflow: visible;
    border: 0;
  }
  .nav-panel-inner {
    padding: 10px 0 24px;
    gap: 28px 36px;
    max-width: none;
  }
  .nav-lenses-layout {
    grid-template-columns: 1fr 1.15fr;
  }
  .nav-overview {
    grid-column: 1 / -1;
    border-top: 1px solid var(--line);
    padding-top: 22px;
  }
  .nav-overview > p:not(.nav-group-title) {
    display: none;
  }
  .nav-overview > .nav-group-title {
    display: none;
  }
  .nav-overview > a {
    display: inline-flex;
    margin-right: 30px;
  }
  .nav-care-layout {
    grid-template-columns: 1fr 1fr;
  }
  .nav-care-link {
    min-height: 68px;
  }
  .nav-care-title {
    margin-bottom: 7px;
    font-size: 16px;
  }
  .navigation > .button {
    font-size: 14px;
    margin-top: 16px;
    align-self: start;
  }
}
@media (max-width: 700px) {
  .nav-panel-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .nav-link-group li > a {
    min-height: 46px;
  }
  .nav-group-title {
    margin-bottom: 5px;
  }
  .nav-link-group .nav-detail-link {
    font-size: 14px;
  }
  .nav-overview > a {
    display: flex;
    margin-right: 0;
  }
  .nav-care-title {
    margin-bottom: 6px;
  }
  .nav-care-description {
    max-width: 310px;
  }
  .site-footer {
    padding-block: 35px 25px;
  }
  .site-footer .footer-top {
    gap: 20px 10px;
  }
  .site-footer .footer-top .brand img {
    width: 72px;
    height: 72px;
    margin-left: -17px;
  }
  .site-footer .footer-top .brand-name {
    font-size: 14px;
  }
  .site-footer .footer-top .brand-name > span {
    font-size: 10px;
  }
  .site-footer .footer-top .brand {
    margin-top: -10px;
  }
  .site-footer .back-top {
    font-size: 12px;
    gap: 7px;
  }
  .site-footer .back-top .icon {
    width: 15px;
    height: 15px;
  }
  .site-footer .footer-top nav {
    grid-template-columns: 1fr 1fr;
    gap: 28px 22px;
  }
  .footer-nav-group:last-child {
    grid-column: 1 / -1;
  }
  .site-footer .footer-nav-group > a {
    min-height: 44px;
    padding-block: 10px;
  }
  .site-footer .footer-bottom {
    align-items: start;
    flex-direction: column;
    gap: 14px;
    margin-top: 28px;
  }
}
/* Native collapsed navigation preserves the opening when scripts are unavailable. */
html.interactive-ready .navigation-native {
  display: none;
}
html:not(.interactive-ready) .site-header {
  position: relative;
}
html:not(.interactive-ready) .header-inner {
  height: var(--header-height);
  min-height: var(--header-height);
  flex-wrap: nowrap;
  padding-bottom: 0;
}
html:not(.interactive-ready) .menu-toggle,
html:not(.interactive-ready) .nav-trigger {
  display: none;
}
html:not(.interactive-ready) .navigation {
  display: none;
}
html:not(.interactive-ready) .navigation-native > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 0 10px 14px;
  color: var(--blue);
  font-size: 14px;
  list-style: none;
  cursor: pointer;
}
html:not(.interactive-ready)
  .navigation-native
  > summary::-webkit-details-marker {
  display: none;
}
html:not(.interactive-ready) .navigation-native > summary .nav-chevron {
  width: 18px;
  height: 18px;
}
html:not(.interactive-ready) .navigation-native[open] > summary .nav-chevron {
  transform: rotate(180deg);
}
html:not(.interactive-ready) .navigation-native[open] .navigation-static {
  display: flex;
  position: absolute;
  top: 100%;
  left: 0;
  flex-wrap: nowrap;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  max-height: calc(100svh - var(--header-height));
  padding: 20px var(--gutter) 28px;
  overflow: auto;
  background: #fff;
  border-block: 1px solid var(--line);
  gap: 12px;
}
html:not(.interactive-ready) .nav-disclosure {
  flex: 1 1 100%;
}
html:not(.interactive-ready) .nav-fallback-link {
  display: block;
  color: var(--blue);
  font-size: 17px;
  margin-bottom: 10px;
}
html:not(.interactive-ready) .nav-panel {
  position: static;
  max-height: none;
  width: 100%;
  border: 0;
}
html:not(.interactive-ready) .nav-panel-inner {
  padding: 10px 0 20px;
}
@media (prefers-reduced-motion: reduce) {
  .nav-chevron {
    transition: none;
  }
}