/* ==== KORVION 헤더 + 공용 토큰 (모든 화면에서 불린다) ==== */
:root {
	/* 색 — 로고의 남색 · 파란 점이 전부다. 파랑은 점 · 현재 위치 · 주 버튼에만 쓴다 */
	--kv-ink: #0E1A3D;
	--kv-ink-2: #091230;
	--kv-signal: #2E6BFF;
	--kv-signal-2: #1F55DB;
	--kv-paper: #FFFFFF;
	--kv-haze: #F2F4F8;
	--kv-slate: #5A6377;
	--kv-line: #DCE1EA;

	--kv-font: 'Pretendard', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
	--kv-font-num: 'Outfit', 'Pretendard', sans-serif;
	--kv-ease: cubic-bezier(.22, .8, .24, 1);

	--kv-wrap: clamp(1200px, 72vw, 1680px);   /* 넓은 모니터(2560)에서도 가운데가 비어 보이지 않게 */
	--kv-gutter: 40px;

	--header-height: 76px;
	--mo-header-top-height: 76px;
}
@media (max-width: 768px) {
	:root { --kv-gutter: 20px; --header-height: 64px; --mo-header-top-height: 64px; }
}

.kv-wrap {
	width: 100%;
	max-width: calc(var(--kv-wrap) + var(--kv-gutter) * 2);
	margin: 0 auto;
	padding: 0 var(--kv-gutter);
	box-sizing: border-box;
}

body.kv-locked { overflow: hidden; }

/* 키보드 초점 — 모든 화면 공통 */
:where(#header, .kv-mo, #Footer, #Home) :focus-visible {
	outline: 2px solid var(--kv-signal);
	outline-offset: 3px;
	border-radius: 4px;
}

/* ---- 헤더 ---- */
#header.kv-header {
	position: fixed;
	inset: 0 0 auto 0;
	z-index: 100;
	height: var(--header-height);
	background: rgba(255, 255, 255, .92);
	backdrop-filter: saturate(160%) blur(14px);
	-webkit-backdrop-filter: saturate(160%) blur(14px);
	box-shadow: 0 1px 0 var(--kv-line);
	font-family: var(--kv-font);
	color: var(--kv-ink);
	transition: transform .45s var(--kv-ease), background-color .3s, box-shadow .3s;
}
/* 메인 첫 화면 위 — 바탕 없이 시작, 내려가면 깔린다 */
#header.kv-header.is-home:not(.is-scrolled) {
	background: transparent;
	backdrop-filter: none;
	-webkit-backdrop-filter: none;
	box-shadow: none;
}
/* 내려가면 숨기고, 올리면 다시 — 메뉴를 열어 둔 동안은 숨기지 않는다 */
#header.kv-header.is-hidden { transform: translateY(-100%); }

#headBlank { height: var(--header-height); }

.kv-header__in {
	height: 100%;
	display: flex;
	align-items: center;
	gap: 40px;
}
.kv-header__logo { flex: none; display: block; line-height: 0; }
.kv-header__logo img { height: 22px; width: auto; }

/* PC 메뉴 */
.kv-gnb { position: relative; margin-left: auto; height: 100%; }
.kv-gnb__list { display: flex; height: 100%; margin: 0; padding: 0; list-style: none; }
.kv-gnb__item { position: relative; display: flex; align-items: center; }
.kv-gnb__link {
	display: flex;
	align-items: center;
	height: 100%;
	padding: 0 20px;
	font-size: 15px;
	font-weight: 600;
	letter-spacing: -.01em;
	color: var(--kv-ink);
	transition: color .2s;
}
.kv-gnb__item:hover > .kv-gnb__link,
.kv-gnb__item:focus-within > .kv-gnb__link { color: var(--kv-signal); }

/* 1차 메뉴 아래 점 — header.js 가 left 를 옮긴다 */
.kv-gnb__dot {
	position: absolute;
	bottom: 16px;
	left: 0;
	width: 6px;
	height: 6px;
	margin-left: -3px;
	border-radius: 50%;
	background: var(--kv-signal);
	opacity: 0;
	transform: scale(.4);
	transition: left .45s var(--kv-ease), opacity .25s, transform .35s var(--kv-ease);
	pointer-events: none;
}
.kv-gnb__dot.is-show { opacity: 1; transform: scale(1); }

/* 2차 메뉴 판 */
.kv-gnb__panel {
	position: absolute;
	top: calc(100% - 10px);
	left: 50%;
	min-width: 200px;
	padding: 10px;
	background: var(--kv-paper);
	border: 1px solid var(--kv-line);
	border-radius: 14px;
	box-shadow: 0 18px 40px -18px rgba(14, 26, 61, .28);
	opacity: 0;
	visibility: hidden;
	transform: translate(-50%, 6px);
	transition: opacity .22s, transform .3s var(--kv-ease), visibility 0s .3s;
}
.kv-gnb__item:hover > .kv-gnb__panel,
.kv-gnb__item:focus-within > .kv-gnb__panel {
	opacity: 1;
	visibility: visible;
	transform: translate(-50%, 0);
	transition: opacity .22s, transform .3s var(--kv-ease), visibility 0s;
}
.kv-gnb__panel ul { margin: 0; padding: 0; list-style: none; }
.kv-gnb__panel a {
	display: block;
	padding: 10px 14px;
	border-radius: 9px;
	font-size: 14px;
	font-weight: 500;
	color: var(--kv-slate);
	white-space: nowrap;
	transition: background-color .18s, color .18s;
}
.kv-gnb__panel a:hover,
.kv-gnb__panel a:focus-visible { background: var(--kv-haze); color: var(--kv-ink); }
.kv-gnb__panel a.is-on { color: var(--kv-signal); font-weight: 600; }

/* 오른쪽 */
.kv-header__right { display: flex; align-items: center; gap: 8px; flex: none; }

.kv-lang { position: relative; }
.kv-lang__btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	height: 36px;
	padding: 0 14px;
	border: 1px solid var(--kv-line);
	border-radius: 999px;
	background: transparent;
	font-family: var(--kv-font-num);
	font-size: 13px;
	font-weight: 600;
	color: var(--kv-ink);
	transition: border-color .2s;
}
.kv-lang__btn:hover { border-color: var(--kv-ink); }
.kv-lang__btn svg { transition: transform .3s var(--kv-ease); }
.kv-lang.is-open .kv-lang__btn svg { transform: rotate(180deg); }
.kv-lang__list {
	position: absolute;
	top: calc(100% + 8px);
	right: 0;
	min-width: 168px;
	margin: 0;
	padding: 6px;
	list-style: none;
	background: var(--kv-paper);
	border: 1px solid var(--kv-line);
	border-radius: 12px;
	box-shadow: 0 18px 40px -18px rgba(14, 26, 61, .28);
	opacity: 0;
	visibility: hidden;
	transform: translateY(-4px);
	transition: opacity .2s, transform .25s var(--kv-ease), visibility 0s .25s;
}
.kv-lang.is-open .kv-lang__list { opacity: 1; visibility: visible; transform: none; transition: opacity .2s, transform .25s var(--kv-ease), visibility 0s; }
.kv-lang__list a {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 9px 12px;
	border-radius: 8px;
	font-size: 14px;
	color: var(--kv-slate);
}
.kv-lang__list a b { font-family: var(--kv-font-num); font-size: 12px; width: 20px; color: var(--kv-ink); }
.kv-lang__list a:hover { background: var(--kv-haze); color: var(--kv-ink); }
.kv-lang__list a.is-on { color: var(--kv-signal); }
.kv-lang__list a.is-on b { color: var(--kv-signal); }

/* 모바일 메뉴 버튼 — 두 줄이 X 로 */
.kv-burger {
	display: none;
	position: relative;
	width: 40px;
	height: 40px;
	padding: 0;
	background: transparent;
	border-radius: 50%;
}
.kv-burger span {
	position: absolute;
	left: 11px;
	right: 11px;
	height: 2px;
	border-radius: 2px;
	background: var(--kv-ink);
	transition: transform .4s var(--kv-ease), top .4s var(--kv-ease);
}
.kv-burger span:nth-child(1) { top: 15px; }
.kv-burger span:nth-child(2) { top: 23px; }
.kv-burger[aria-expanded="true"] span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.kv-burger[aria-expanded="true"] span:nth-child(2) { top: 19px; transform: rotate(-45deg); }

/* ---- 모바일 전체 화면 메뉴 ---- */
.kv-mo {
	position: fixed;
	inset: var(--header-height) 0 0 0;
	z-index: 99;
	overflow-y: auto;
	background: var(--kv-paper);
	font-family: var(--kv-font);
	clip-path: inset(0 0 100% 0);
	transition: clip-path .5s var(--kv-ease);
}
.kv-mo.is-open { clip-path: inset(0 0 0 0); }
.kv-mo__nav { padding-top: 16px; padding-bottom: 48px; }
.kv-mo__nav > ul { margin: 0; padding: 0; list-style: none; }
.kv-mo__item {
	border-bottom: 1px solid var(--kv-line);
	opacity: 0;
	transform: translateY(12px);
	transition: opacity .4s, transform .5s var(--kv-ease);
	transition-delay: calc(var(--i) * 50ms + 120ms);
}
.kv-mo.is-open .kv-mo__item { opacity: 1; transform: none; }
.kv-mo__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: 100%;
	padding: 22px 0;
	background: none;
	font-family: var(--kv-font);
	font-size: 24px;
	font-weight: 700;
	letter-spacing: -.02em;
	text-align: left;
	color: var(--kv-ink);
}
.kv-mo__head svg { transition: transform .35s var(--kv-ease); color: var(--kv-slate); }
.kv-mo__item.is-open .kv-mo__head svg { transform: rotate(45deg); color: var(--kv-signal); }
/* 펼침 — 0fr → 1fr 로 높이를 몰라도 부드럽게 연다 */
.kv-mo__sub {
	display: grid;
	grid-template-rows: 0fr;
	transition: grid-template-rows .4s var(--kv-ease);
}
.kv-mo__sub > ul { overflow: hidden; min-height: 0; margin: 0; padding: 0; list-style: none; }
.kv-mo__item.is-open .kv-mo__sub { grid-template-rows: 1fr; }
.kv-mo__sub li:last-child { padding-bottom: 16px; }
.kv-mo__sub a { display: block; padding: 8px 0; font-size: 16px; color: var(--kv-slate); }
.kv-mo__lang { display: flex; gap: 8px; margin-top: 32px; }
.kv-mo__lang a {
	padding: 10px 16px;
	border: 1px solid var(--kv-line);
	border-radius: 999px;
	font-size: 14px;
	color: var(--kv-slate);
}
.kv-mo__lang a.is-on { border-color: var(--kv-ink); color: var(--kv-ink); font-weight: 600; }

@media (max-width: 1024px) {
	.kv-gnb { display: none; }
	.kv-burger { display: block; }
	.kv-header__right { margin-left: auto; }
}
@media (max-width: 768px) {
	.kv-header__logo img { height: 18px; }
	.kv-lang__btn { height: 34px; padding: 0 12px; }
}

@media (prefers-reduced-motion: reduce) {
	#header.kv-header, .kv-gnb__dot, .kv-gnb__panel, .kv-mo, .kv-mo__item, .kv-mo__sub { transition: none !important; }
}