/* Shared live-page header: logo sizing and desktop refinements. */
.vf-header-reference .vfr-nav-logo .vfr-logo-light {
  width: auto;
  height: 28px;
}

@media (max-width: 831px) {
  .serim-shared-header.vf-header-reference .vfr-nav-logo {
    height: 26px;
  }

  .serim-shared-header.vf-header-reference .vfr-nav-logo :is(.vfr-logo-light, .vfr-logo-dark) {
    height: 26px;
  }

  .serim-shared-header.vf-header-reference .vfr-nav-logo .vfr-logo-light {
    margin-left: 4px;
  }
}

.serim-shared-header.vf-header-reference .vfr-nav-cta,
.serim-shared-header.vf-header-reference .thx-contact-cta {
  font-family: "UCity Pro", var(--vfr-font-sans, "VFR Pretendard Variable", Pretendard, "Apple SD Gothic Neo", Arial, sans-serif);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.375;
  letter-spacing: normal;
}

.serim-shared-header.vf-header-reference .vfr-nav-cta {
  font-size: 13px;
  background-color: #1c1c1c;
  filter: brightness(1);
  transition: color 150ms cubic-bezier(.4, 0, .2, 1), background-color 150ms cubic-bezier(.4, 0, .2, 1), border-color 150ms cubic-bezier(.4, 0, .2, 1), filter 150ms cubic-bezier(.4, 0, .2, 1), box-shadow 200ms ease;
}

.serim-shared-header.vf-header-reference .vfr-nav-cta:hover {
  filter: brightness(.9);
}

/* Shared language control. Popup visuals are shared with the R&D popover. */
.serim-shared-header.vf-header-reference .vfr-language-switcher {
  flex: none;
  width: fit-content;
  color: #18181b;
  font-family: var(--vfr-font-nav);
  font-size: 14px;
  font-weight: 450;
  line-height: 1.5;
}

.serim-shared-header.vf-header-reference .vfr-language-button {
  --vfr-language-primary: hsl(0 0% 4%);
  --vfr-language-card: hsl(40 18% 95%);
  --vfr-language-bg: color-mix(in srgb, var(--vfr-language-primary) 3%, var(--vfr-language-card));
  --vfr-language-hover: color-mix(in srgb, var(--vfr-language-primary) 7%, var(--vfr-language-card));
  isolation: isolate;
  flex-shrink: 0;
  justify-content: center;
  gap: 6px;
  height: 36px;
  padding: 8px 12px;
  border: 0;
  border-radius: 9999px;
  background-color: var(--vfr-language-bg);
  color: #474747;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  text-align: center;
  white-space: nowrap;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  outline: none;
  box-shadow: none;
  -webkit-tap-highlight-color: transparent;
  transition: color 150ms cubic-bezier(.4, 0, .2, 1), background-color 150ms cubic-bezier(.4, 0, .2, 1), border-color 150ms cubic-bezier(.4, 0, .2, 1), filter 150ms cubic-bezier(.4, 0, .2, 1);
}

.serim-shared-header.vf-header-reference .vfr-language-button:hover {
  background-color: var(--vfr-language-hover);
}

.serim-shared-header.vf-header-reference .vfr-language-button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px #fff, 0 0 0 4px hsl(0 0% 4% / 30%);
}

.serim-shared-header.vf-header-reference .vfr-language-button:disabled {
  pointer-events: none;
  opacity: .5;
}

.serim-shared-header.vf-header-reference .vfr-language-button::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: max(100%, 44px);
  height: max(100%, 44px);
  transform: translate(-50%, -50%);
}

.serim-shared-header.vf-header-reference .vfr-language-label {
  min-width: auto;
}

.serim-shared-header.vf-header-reference .vfr-language-globe {
  width: 20px;
  height: 20px;
  margin-inline: -2px;
}

.serim-shared-header.vf-header-reference .vfr-language-menu {
  top: calc(100% + 8px);
  right: 0;
  bottom: auto;
  left: auto;
  z-index: 10001;
  display: block;
  width: 144px;
  max-width: calc(100vw - 32px);
  padding: 8px;
  color: #0a0a0a;
  font-family: "VFR Pretendard Variable", Pretendard, "Apple SD Gothic Neo", sans-serif;
  transform: none;
  transform-origin: right top;
  transition: none;
}

.serim-shared-header.vf-header-reference .vfr-language-menu[hidden] {
  display: none;
}

.serim-shared-header.vf-header-reference .vfr-language-menu:not([hidden]) {
  animation: vfr-company-popover-in 200ms cubic-bezier(.16, 1, .3, 1) both;
}

.serim-shared-header.vf-header-reference .vfr-language-options {
  display: block;
}

.serim-shared-header.vf-header-reference .vfr-language-option {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 44px;
  padding: 12px 16px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #0a0a0a;
  font-family: inherit;
  text-align: left;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

.serim-shared-header.vf-header-reference .vfr-language-option-flag {
  position: relative;
  z-index: 1;
  display: block;
  flex: none;
  padding-top: 1px;
  font-size: 16px;
  line-height: 1;
}

.serim-shared-header.vf-header-reference .vfr-language-option-label {
  position: relative;
  z-index: 1;
}

.serim-shared-header.vf-header-reference .vfr-language-option:is(:hover, :focus-visible, .is-active) {
  background: transparent;
  color: inherit;
}

/* Match the R&D menu's inset, six-pixel hover highlight. */
.serim-shared-header.vf-header-reference .vfr-language-option::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 6px;
  background: rgb(10 10 10 / 4%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 100ms ease;
}

.serim-shared-header.vf-header-reference .vfr-language-option:is(:hover, :focus-visible)::before {
  opacity: 1;
}

.serim-shared-header.vf-header-reference .vfr-language-option:focus-visible {
  box-shadow: inset 0 0 0 2px rgb(10 10 10 / 28%);
}

@media (prefers-reduced-motion: reduce) {
  .serim-shared-header.vf-header-reference .vfr-language-menu:not([hidden]) {
    animation: none;
  }

  .serim-shared-header.vf-header-reference .vfr-language-option::before {
    transition: none;
  }
}

@media (min-width: 640px) {
  .serim-shared-header.vf-header-reference .vfr-language-globe {
    width: 16px;
    height: 16px;
  }
}

@media (pointer: fine) {
  .serim-shared-header.vf-header-reference .vfr-language-button::before {
    display: none;
  }
}

@media (min-width: 832px) {
  .vf-header-reference .vfr-nav-logo .vfr-logo-light {
    height: 26px;
  }

  .vf-header-reference .vfr-nav-link {
    gap: 2px;
    color: #6b6b6b;
  }
}

/* Shared flag variant uses the same appearance at every viewport width. */
.serim-shared-header.vf-header-reference .vfr-language-switcher--flag {
  font-family: "UCity Pro", var(--vfr-font-nav);
}

.serim-shared-header.vf-header-reference .vfr-language-switcher--flag .vfr-language-button {
  box-sizing: border-box;
  flex: none;
  justify-content: center;
  height: 36px;
  padding: 0 8px;
  border: 1px solid rgb(10 10 10 / 10%);
  background-color: transparent;
  color: #6b6b6b;
  font-size: 0.8125rem;
  line-height: 1.5;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.serim-shared-header.vf-header-reference .vfr-language-switcher--flag .vfr-language-button:hover {
  border-color: rgb(10 10 10 / 30%);
  color: #0a0a0a;
}

.serim-shared-header.vf-header-reference .vfr-language-switcher--flag .vfr-language-flag {
  display: inline-flex;
  flex: none;
  align-items: center;
  justify-content: center;
  inline-size: 20px;
  block-size: 18px;
  padding: 1px 0 0;
  font-size: 15px;
  line-height: 1;
}

.serim-shared-header.vf-header-reference .vfr-language-switcher--flag .vfr-language-label {
  text-transform: uppercase;
}