/* Cross Subnav
   테마 어디에 얹어도 튀지 않도록 값은 전부 CSS 변수로 뺐습니다.
   프로젝트별 조정은 .csub 변수만 덮어쓰면 됩니다. */

.csub {
	--csub-bg: #111111;
	--csub-fg: #ffffff;
	--csub-accent: #f0a72a;
	--csub-panel-bg: #ffffff;
	--csub-panel-fg: #222222;
	--csub-panel-hover-bg: #f2f2f2;
	--csub-panel-hover-fg: #111111;
	--csub-shadow: 0 14px 30px rgba(0, 0, 0, .16);
	--csub-max: 1200px;
	--csub-h: 56px;
	--csub-radius: 0px;
	--csub-sticky-offset: 0px;
	--csub-divider: rgba(255, 255, 255, .16);

	position: relative;
	background: var(--csub-bg);
	color: var(--csub-fg);
	font-size: 15px;
	line-height: 1.4;
}

.csub--sticky {
	position: sticky;
	top: var(--csub-sticky-offset);
	z-index: 900;
}

.csub__inner {
	display: flex;
	flex-wrap: wrap;
	align-items: stretch;
	max-width: var(--csub-max);
	min-height: var(--csub-h);
	margin: 0 auto;
	padding: 0;
}

.csub__home {
	display: flex;
	align-items: center;
	padding-right: 18px;
	color: var(--csub-accent);
	text-decoration: none;
}

.csub__home:hover,
.csub__home:focus-visible {
	color: var(--csub-accent);
	opacity: .8;
}

.csub__seg {
	position: relative;
	display: flex;
	align-items: stretch;
	border-left: 1px solid var(--csub-divider);
}

.csub__seg:first-of-type {
	border-left: 0;
}

.csub__home + .csub__seg {
	border-left: 1px solid var(--csub-divider);
}

.csub__btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	min-height: var(--csub-h);
	margin: 0;
	padding: 0 20px;
	border: 0;
	border-radius: 0;
	background: none;
	color: inherit;
	font: inherit;
	line-height: 1.4;
	text-align: left;
	cursor: pointer;
	-webkit-appearance: none;
	appearance: none;
}

.csub__btn:hover {
	background: rgba(255, 255, 255, .06);
}

.csub__btn:focus-visible {
	outline: 2px solid var(--csub-accent);
	outline-offset: -2px;
}

.csub__label {
	max-width: 46vw;
	overflow: hidden;
	white-space: nowrap;
	text-overflow: ellipsis;
}

.csub__caret {
	flex: none;
	transition: transform .18s ease;
}

.csub__seg.is-open .csub__caret {
	transform: rotate(180deg);
}

@media (prefers-reduced-motion: reduce) {
	.csub__caret { transition: none; }
}

/* 드롭다운 패널 — 초기 HTML에 항상 존재하고 CSS로만 감춥니다 (크롤러가 읽습니다) */
.csub__list {
	position: absolute;
	top: 100%;
	left: -1px;
	z-index: 20;
	display: none;
	width: max-content;
	min-width: calc(100% + 2px);
	max-width: min(90vw, 360px);
	margin: 0;
	padding: 0;
	list-style: none;
	background: var(--csub-panel-bg);
	color: var(--csub-panel-fg);
	border-radius: 0 0 var(--csub-radius) var(--csub-radius);
	box-shadow: var(--csub-shadow);
}

.csub__seg.is-open > .csub__list {
	display: block;
}

/* JS가 없을 때도 버튼 포커스만으로 열립니다 */
.csub:not(.is-js) .csub__seg:focus-within > .csub__list {
	display: block;
}

.csub__item {
	margin: 0;
	padding: 0;
	list-style: none;
}

.csub__list a {
	display: block;
	padding: 11px 22px;
	color: inherit;
	text-decoration: none;
	white-space: nowrap;
}

.csub__list a:hover {
	background: var(--csub-panel-hover-bg);
	color: var(--csub-panel-hover-fg);
}

.csub__list a:focus-visible {
	outline: 2px solid var(--csub-accent);
	outline-offset: -2px;
}

.csub__item.is-current > a {
	font-weight: 700;
	background: var(--csub-panel-hover-bg);
	color: var(--csub-panel-hover-fg);
}

/* 콘텐츠 영역 안에 넣었지만 화면 전체 너비로 깔고 싶을 때: [subnav full="1"] */
.csub--full {
	width: 100vw;
	max-width: 100vw;
	margin-left: calc(50% - 50vw);
	margin-right: calc(50% - 50vw);
}

/* 단계별 훅 — 기본값은 없습니다. 프로젝트 CSS에서 필요할 때만 사용하세요.
   예) 첫 번째(주메뉴) 흐리게:  .csub__seg--main { opacity: .7; } */