/* YURIU canonical GNB — single source of truth for every page. */
:root {
  --gnb-surface: #ffffff;
  --gnb-ink: #111111;
  --gnb-line: rgba(17,17,17,.12);
  --gnb-gap: 54px;
  --gnb-pad-x: var(--y-layout-page-gutter);
  --gnb-pad-y: 40px;
  --gnb-height: 123px;
}

.nav_wrap {
  position: fixed;
  z-index: 5000;
  inset: 0 0 auto 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  width: 100vw;
  min-height: var(--gnb-height);
  margin: 0;
  padding: var(--gnb-pad-y) var(--gnb-pad-x);
  box-sizing: border-box;
  background: transparent;
  color: var(--gnb-ink);
  font-family: "Pretendard", sans-serif;
  transition: background-color 280ms ease, color 280ms ease, transform 420ms cubic-bezier(.16,1,.3,1);
}
.nav_wrap[data-nav-theme="dark"] { color: #fff; }
.nav_wrap[data-nav-theme="light"] { color: var(--gnb-ink); }
.nav_wrap.is_nav_hidden { transform: translate3d(0,-110%,0); }
.nav_wrap.is_about_open,
.nav_wrap.is_products_dropdown_open,
.nav_wrap.is_language_open,
.nav_wrap.is_menu_open {
  background: var(--gnb-surface);
  color: var(--gnb-ink);
}

/* Two-tone logo: YU is full-strength, RIU follows the inactive-language tone. */
.gnb_logo {
  grid-column: 1;
  justify-self: start;
  position: relative;
  display: block;
  flex: 0 0 92px;
  width: 92px;
  height: 43px;
  overflow: hidden;
  color: inherit;
}
.gnb_logo_layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.gnb_logo_layer > img {
  position: absolute;
  top: -55.51%;
  left: 0;
  width: 100%;
  height: 211.86%;
  max-width: none;
  filter: brightness(0);
}
.gnb_logo_yu { clip-path: inset(0 56.5% 0 0); }
.gnb_logo_riu { clip-path: inset(0 0 0 43.5%); opacity: .42; }
.nav_wrap[data-nav-theme="dark"]:not(.is_about_open):not(.is_products_dropdown_open):not(.is_language_open):not(.is_menu_open) .gnb_logo_layer > img {
  filter: brightness(0) invert(1);
}

.nav_wrap > .nav_menu {
  grid-column: 2;
  justify-self: center;
  position: static;
  z-index: 5002;
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: var(--gnb-gap);
  width: auto;
  margin: 0;
  padding: 0;
  color: inherit;
  font-family: "Pretendard", sans-serif;
  font-size: var(--type-body);
  font-weight: 300;
  line-height: 1.5;
  letter-spacing: -.01em;
  list-style: none;
  white-space: nowrap;
}
.nav_wrap > .nav_menu > li { position: relative; margin: 0; padding: 0; }
.nav_wrap > .nav_item_language { position:relative; z-index:5004; grid-column:3; justify-self:end; display:flex; align-items:center; font:300 var(--type-body)/1.5 "Pretendard",sans-serif; }
.nav_language_trigger {
  display:inline-flex;
  align-items:center;
  gap:5px;
  width:auto;
  height:auto;
  padding:0 0 3px;
  border:0;
  background:transparent;
  color:inherit;
  font:inherit;
  cursor:pointer;
  appearance:none;
}
.nav_language_trigger svg { flex:none; width:1.3em; height:1.3em; }
.nav_language_trigger .nav_language_chevron {
  display:block;
  width:12px;
  height:12px;
  margin:0;
  overflow:visible;
}
.nav_language_trigger .nav_language_chevron_up { display:none; }
.nav_language_trigger[aria-expanded="true"] .nav_language_chevron_down { display:none; }
.nav_language_trigger[aria-expanded="true"] .nav_language_chevron_up { display:inline; }
.nav_language_menu {
  position:absolute;
  top:calc(100% + 18px);
  right:0;
  left:auto;
  display:block;
  width:min(220px, calc(100vw - 48px));
  padding:20px 18px 18px;
  background:#fff;
  color:var(--gnb-ink);
  border:1px solid rgba(17,17,17,.12);
  box-shadow:0 10px 24px rgba(0,0,0,.09);
  transform:none;
}
.nav_language_menu::before {
  content:"";
  position:absolute;
  top:-7px;
  right:14px;
  left:auto;
  width:12px;
  height:12px;
  border-top:1px solid rgba(17,17,17,.12);
  border-left:1px solid rgba(17,17,17,.12);
  background:#fff;
  transform:rotate(45deg);
}
.nav_language_menu[hidden] { display:none; }
.nav_language_options { display:grid; gap:13px; }
.nav_language_option {
  padding:0;
  border:0;
  background:transparent;
  color:inherit;
  font:300 var(--type-body)/1.5 "Pretendard",sans-serif;
  text-align:left;
  opacity:.45;
  cursor:pointer;
}
.nav_language_option.is_active,
.nav_language_option:hover,
.nav_language_option:focus-visible { opacity:1; }
.nav_language_option.is_active { font-weight:400; }
.nav_wrap > .nav_menu a,
.nav_about_trigger,
.nav_products_toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin: 0;
  padding: 0 0 3px;
  border: 0;
  border-bottom: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  text-decoration: none;
  white-space: nowrap;
  appearance: none;
  transition: opacity 180ms ease;
}

.nav_wrap > .nav_menu > li > a::before,
.nav_wrap > .nav_menu > li > button::before {
  content: "";
  position: absolute;
  right: -6px;
  bottom: 0;
  left: -6px;
  height: 1px;
  background: currentColor;
  opacity: .42;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 240ms cubic-bezier(.22,1,.36,1), opacity 200ms ease;
  pointer-events: none;
}

.nav_item_shop > a {
  position: relative;
}
.nav_item_shop > a::after {
  content: "↗";
  position: absolute;
  top: 50%;
  left: calc(100% + 5px);
  border: 0;
  font-size: .72em;
  line-height: 1;
  opacity: 0;
  transform: translate3d(-3px,-50%,0);
  transition: opacity 180ms ease, transform 220ms cubic-bezier(.22,1,.36,1);
  pointer-events: none;
}
@media (hover:hover) and (pointer:fine) {
  .nav_item_shop:hover > a::after,
  .nav_item_shop > a:focus-visible::after {
    opacity: 1;
    transform: translate3d(0,-50%,0);
  }
}
.nav_wrap > .nav_menu > li:hover > a,
.nav_wrap > .nav_menu > li:hover > button,
.nav_wrap > .nav_menu a:focus-visible,
.nav_about_trigger:focus-visible,
.nav_products_toggle:focus-visible,
.nav_about_trigger[aria-expanded="true"],
.nav_products_toggle[aria-expanded="true"] {
  opacity: 1;
}
.nav_about_trigger.is_current,
.nav_products_toggle.is_current,
.nav_about_trigger.is_pinned,
.nav_products_toggle.is_pinned,
.nav_wrap > .nav_menu a.is_current {
  position: relative;
}
.nav_about_trigger.is_current::before,
.nav_products_toggle.is_current::before,
.nav_about_trigger.is_pinned::before,
.nav_products_toggle.is_pinned::before,
.nav_item_language.is_pinned > .nav_language_trigger::before,
.nav_wrap > .nav_menu a.is_current::before {
  opacity: .46;
  transform: scaleX(1);
}
.nav_wrap > .nav_menu > li:hover > a::before,
.nav_wrap > .nav_menu > li:hover > button::before,
.nav_wrap > .nav_menu > li > a:focus-visible::before,
.nav_wrap > .nav_menu > li > button:focus-visible::before,
.nav_about_trigger[aria-expanded="true"]::before,
.nav_products_toggle[aria-expanded="true"]::before {
  opacity: .5;
  transform: scaleX(1);
}

.nav_menu_trigger { display: none; }

@media (min-width: 1025px) {
  /* Any real top-tab hover uses one white-shell state. */
  .nav_wrap:has(.nav_about_dropdown:hover),
  .nav_wrap:has(.nav_products_dropdown:hover) {
    background: var(--gnb-surface);
    color: var(--gnb-ink);
  }
  .nav_wrap:has(.nav_about_dropdown:hover) .gnb_logo_layer > img,
  .nav_wrap:has(.nav_products_dropdown:hover) .gnb_logo_layer > img {
    filter: brightness(0);
  }

  .nav_about_dropdown,
  .nav_products_dropdown {
    position: fixed;
    z-index: 5001;
    top: var(--nav-panel-top, var(--gnb-height));
    right: 0;
    left: 0;
    width: 100vw;
    margin: 0;
    padding: 0;
    border: 0;
    border-top: 1px solid var(--gnb-line);
    background: #fff;
    color: var(--gnb-ink);
    box-shadow: 0 20px 38px rgba(0,0,0,.06);
    animation: gnb_submenu_in 220ms cubic-bezier(.16,1,.3,1) both;
  }
  .nav_about_dropdown[hidden],
  .nav_products_dropdown[hidden] { display:none; }

  .mega_menu_inner {
    display: grid;
    grid-template-columns: 260px 360px minmax(0,1fr);
    gap: 56px;
    width: 100%;
    max-width: 1920px;
    min-height: 300px;
    margin: 0 auto;
    padding: 42px var(--gnb-pad-x) 48px;
    box-sizing: border-box;
    background: #fff;
    color: #111;
  }
  .mega_menu_primary {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 9px;
    min-width: 0;
  }
  .mega_menu_eyebrow {
    margin: 0 0 12px;
    color: #111;
    font-family: "Pretendard",sans-serif;
    font-size: var(--type-meta);
    font-weight: 300;
    line-height: 1.35;
    letter-spacing: 0;
  }
  .nav_about_dropdown a,
  .nav_products_dropdown a {
    display: inline-flex;
    width: auto;
    min-height: 0;
    margin: 0;
    padding: 0 0 3px;
    border: 0;
    border-bottom: 1px solid transparent;
    border-radius: 0;
    background: transparent;
    color: #111;
    font-family: "Pretendard",sans-serif;
    font-size: var(--type-meta);
    font-weight: 300;
    line-height: 1.35;
    letter-spacing: 0;
    opacity: .62;
    text-decoration: none;
  }
  .nav_about_dropdown a:hover,
  .nav_about_dropdown a:focus-visible,
  .nav_products_dropdown a:hover,
  .nav_products_dropdown a:focus-visible {
    border-bottom-color: currentColor;
    opacity: 1;
  }
  .mega_menu_media {
    grid-column: 3;
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 18px;
    min-width: 0;
  }
  .mega_menu_card {
    position: relative;
    display: block;
    min-width: 0;
    overflow: hidden;
    opacity: 1 !important;
  }
  .mega_menu_card img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 500ms cubic-bezier(.16,1,.3,1);
  }
  .mega_menu_card span {
    position: absolute;
    right: 14px;
    bottom: 12px;
    left: 14px;
    color: #fff;
    font-size: 14px;
    line-height: 1.3;
    text-shadow: 0 1px 12px rgba(0,0,0,.22);
  }
  .mega_menu_card:hover img { transform: scale(1.025); }
}

@keyframes gnb_submenu_in {
  from { opacity:0; transform:translate3d(0,-8px,0); }
  to { opacity:1; transform:translate3d(0,0,0); }
}

@media (max-width: 1919px) and (min-width: 1025px) {
  :root {
    --gnb-pad-y: clamp(26px, calc(9.98px + 1.5631vw), 40px);
    --gnb-height: clamp(86px, calc(43.63px + 4.1339vw), 123px);
    --gnb-gap: clamp(24px, calc(-10.35px + 3.3519vw), 54px);
  }
  .gnb_logo {
    flex-basis: clamp(64px, calc(31.94px + 3.1285vw), 92px);
    width: clamp(64px, calc(31.94px + 3.1285vw), 92px);
    height: clamp(30px, calc(15.11px + 1.4525vw), 43px);
  }
  .nav_wrap > .nav_menu { font-size: var(--type-body); }
  .mega_menu_inner { grid-template-columns:210px 300px minmax(0,1fr); gap:36px; min-height:260px; padding-top:34px; padding-bottom:38px; }
}

/* Tablet/mobile */
@media (max-width: 1024px) {
  :root { --gnb-pad-y:26px; --gnb-height:86px; }
  .nav_wrap { display:flex; min-height:var(--gnb-height); }
  .gnb_logo { z-index:5003; order:1; flex-basis:64px; width:64px; height:30px; }
  .nav_menu_trigger {
    position: relative;
    z-index: 5003;
    display: block;
    order: 3;
    width:32px;
    height:32px;
    margin:0 0 0 20px;
    padding:0;
    border:0;
    background:transparent;
    color:inherit;
  }
  .nav_menu_trigger span {
    position:absolute;
    left:6.5px;
    width:19px;
    height:1.4px;
    background:currentColor;
    transition:top 220ms ease, transform 220ms ease, opacity 160ms ease;
  }
  .nav_menu_trigger span:nth-child(1) { top:10.8px; }
  .nav_menu_trigger span:nth-child(2) { top:15.3px; }
  .nav_menu_trigger span:nth-child(3) { top:19.8px; }

  .nav_wrap > .nav_menu {
    position:fixed;
    z-index:5002;
    inset:0;
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:25px;
    width:100%;
    height:100dvh;
    padding:132px var(--gnb-pad-x) 48px;
    overflow-y:auto;
    background:var(--y-color-surface-warm);
    color:#111;
    font-size:var(--type-body);
    font-weight:300;
    line-height:1.5;
    white-space:normal;
    text-align:center;
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transform:translate3d(-100%,0,0);
    transition:transform 420ms cubic-bezier(.16,1,.3,1), opacity 220ms ease, visibility 0s linear 420ms;
  }
  .nav_wrap.is_menu_open > .nav_menu {
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transform:translate3d(0,0,0);
    transition-delay:0s;
  }
  .nav_wrap.is_menu_open .nav_menu_trigger span:nth-child(1) { top:15.3px; transform:rotate(45deg); }
  .nav_wrap.is_menu_open .nav_menu_trigger span:nth-child(2) { opacity:0; }
  .nav_wrap.is_menu_open .nav_menu_trigger span:nth-child(3) { top:15.3px; transform:rotate(-45deg); }

  .nav_wrap > .nav_item_language { order:2; width:auto; margin-left:auto; }
  .nav_language_trigger { width:max-content; height:auto; font-size:inherit; }
  .nav_language_menu {
    position:absolute;
    top:calc(100% + 18px);
    right:0;
    left:auto;
    width:min(220px, calc(100vw - 48px));
    margin:0;
    transform:none;
  }
  .nav_language_menu::before { display:none; }

  .nav_about_dropdown,
  .nav_products_dropdown {
    position:static;
    display:flex;
    flex-direction:column;
    gap:8px;
    width:auto;
    min-width:0;
    margin:12px 0 2px;
    padding:0;
    border:0;
    background:transparent;
    box-shadow:none;
  }
  .nav_about_dropdown[hidden],
  .nav_products_dropdown[hidden] { display:none; }
  .mega_menu_inner { display:flex; flex-direction:column; gap:12px; }
  .mega_menu_primary { display:flex; flex-direction:column; gap:8px; align-items:center; }
  .mega_menu_eyebrow { display:none; }
  .nav_about_dropdown a,
  .nav_products_dropdown a { color:#111; font-size:var(--type-meta); font-weight:300; line-height:1.35; opacity:.66; }
  .mega_menu_media { display:none; }
  body.menu_open { overflow:hidden; }
}

@media (max-width:600px) {
  :root { --gnb-pad-y:22px; --gnb-height:76px; }
  .gnb_logo { flex-basis:60px; width:60px; height:28px; }
  .nav_wrap > .nav_menu { padding-top:116px; font-size:var(--type-body); }
}

@media (prefers-reduced-motion:reduce) {
  .nav_wrap,
  .nav_wrap > .nav_menu,
  .nav_about_dropdown,
  .nav_products_dropdown,
  .nav_menu_trigger span { transition:none; animation:none; }
  .nav_item_shop > a::after { transition:none; }
}
/* === GNB dropdown visual balance fix (2026-09-08) === */
@media (min-width: 1025px) {
  .nav_about_dropdown .mega_menu_media { grid-template-columns:minmax(0,1fr); }
  .mega_menu_media {
    width: min(100%, 460px);
    max-width: 460px;
    justify-self: end;
  }

  .mega_menu_card {
    height: 168px;
  }
}

@media (max-width: 1919px) and (min-width: 1025px) {
  .mega_menu_media {
    width: min(100%, 400px);
    max-width: 400px;
  }

  .mega_menu_card {
    height: 150px;
  }
}