/* ============================================================
 * header.css — 헤더, 로고, 내비게이션, 드롭다운, 햄버거 메뉴
 * camel_theme_01 v1.0.0
 * ============================================================ */

/* ── 1. 헤더 기본 구조 ──────────────────────────────────── */

.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	height: var(--header-height);
	background-color: var(--header-bg);
	z-index: var(--z-header);
	transition: background-color var(--transition-normal),
	            box-shadow var(--transition-normal),
	            transform var(--transition-normal);
}

/* 스크롤 시 그림자 */
.site-header.is-scrolled {
	box-shadow: var(--shadow-sm);
}

/* 스크롤 다운 시 헤더 숨김 */
.site-header.is-hidden {
	transform: translateY(-100%);
}

/* 헤더 내부 레이아웃 */
.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 100%;
	gap: 1.5rem;
}

/* 헤더 높이만큼 본문 상단 여백 */
body {
	padding-top: var(--header-height);
}

/* ── 2. 로고 ──────────────────────────────────────────────── */

.site-logo {
	flex-shrink: 0;
}

.site-logo__link {
	display: flex;
	align-items: center;
}

.site-logo__img {
	width: var(--logo-width);
	height: var(--logo-height);
	max-height: calc(var(--header-height) - 16px);
	object-fit: contain;
}

.site-logo__link--text {
	font-size: 1.375rem;
	font-weight: 900;
	color: var(--nav-color);
	letter-spacing: -0.02em;
}

/* ── 3. 메인 내비게이션 ──────────────────────────────────── */

.main-navigation {
	flex: 1;
	display: flex;
	justify-content: center;
}

.nav-menu {
	display: flex;
	align-items: center;
	list-style: none;
	margin: 0;
	padding: 0;
	gap: var(--nav-item-spacing);
}

.nav-item {
	position: relative;
}

.nav-link {
	display: flex;
	align-items: center;
	gap: 0.25rem;
	font-size: var(--nav-font-size);
	font-family: var(--nav-font-family);
	font-weight: 600;
	color: var(--nav-color);
	letter-spacing: var(--nav-letter-spacing);
	padding: 0.5rem 0;
	white-space: nowrap;
	transition: color var(--transition-fast);
	border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-item.current-menu-item > .nav-link,
.nav-item.current-menu-ancestor > .nav-link {
	color: var(--nav-hover-color);
	border-bottom-color: var(--nav-hover-color);
}

.nav-arrow {
	font-size: 0.625rem;
	transition: transform var(--transition-fast);
}

.nav-item.has-children:hover > .nav-link .nav-arrow {
	transform: rotate(180deg);
}

/* ── 4. 드롭다운 서브메뉴 ────────────────────────────────── */

.sub-menu-wrap {
	position: absolute;
	top: 100%;
	left: 50%;
	transform: translateX(-50%);
	min-width: var(--sub-menu-width);
	background-color: var(--sub-menu-bg);
	border-radius: var(--radius-md);
	box-shadow: var(--sub-menu-shadow);
	padding: 0.5rem 0;
	z-index: var(--z-dropdown);

	/* GSAP로 제어 — 초기 상태 */
	visibility: hidden;
	opacity: 0;
}

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

.sub-nav-item {
	/* 세로 메뉴 아이템 */
}

.sub-nav-link {
	display: block;
	padding: 0.625rem 1.25rem;
	font-size: var(--sub-menu-font-size);
	color: var(--sub-menu-color);
	white-space: nowrap;
	transition: color var(--transition-fast), background-color var(--transition-fast);
}

.sub-nav-link:hover {
	color: var(--sub-menu-hover-color);
}

/* ── 5. 헤더 유틸리티 영역 ───────────────────────────────── */

.site-header__util {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	flex-shrink: 0;
}

/* 검색 버튼 */
.header-search-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	background: none;
	border: none;
	color: var(--nav-color);
	font-size: 1.125rem;
	border-radius: var(--radius-full);
	transition: color var(--transition-fast), background-color var(--transition-fast);
}

.header-search-btn:hover {
	color: var(--nav-hover-color);
	background-color: var(--color-bg-alt);
}

/* 로그인 버튼 */
.header-login-btn {
	display: inline-flex;
	align-items: center;
	gap: 0.375rem;
	padding: 0.375rem 1rem;
	border: 1.5px solid var(--color-primary);
	border-radius: var(--radius-full);
	font-size: 0.875rem;
	font-weight: 600;
	color: var(--color-primary);
	transition: background-color var(--transition-fast), color var(--transition-fast);
}

.header-login-btn:hover,
.header-login-btn--logged {
	background-color: var(--color-primary);
	color: var(--color-white);
}

/* ── 6. 햄버거 버튼 ──────────────────────────────────────── */

.hamburger-btn {
	display: flex;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 40px;
	height: 40px;
	padding: 8px;
	background: none;
	border: none;
	border-radius: var(--radius-sm);
	cursor: pointer;
	transition: background-color var(--transition-fast);
}

.hamburger-btn:hover {
	background-color: var(--color-bg-alt);
}

.hamburger-btn__line {
	display: block;
	width: 100%;
	height: 2px;
	background-color: var(--nav-color);
	border-radius: 2px;
	transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* 햄버거 열린 상태 */
.hamburger-btn.is-active .hamburger-btn__line:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}
.hamburger-btn.is-active .hamburger-btn__line:nth-child(2) {
	opacity: 0;
	transform: scaleX(0);
}
.hamburger-btn.is-active .hamburger-btn__line:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* ── 7. 전체화면 모달 메뉴 ────────────────────────────────── */

.fullscreen-nav {
	position: fixed;
	inset: 0;
	background-color: rgba(30, 58, 95, 0.97);
	display: none;               /* GSAP가 display:flex 로 변경 */
	flex-direction: column;
	align-items: center;
	justify-content: center;
	z-index: var(--z-hamburger);
	overflow-y: auto;
}

.nav-close-btn {
	position: absolute;
	top: 1.5rem;
	right: 1.5rem;
	width: 48px;
	height: 48px;
	background: none;
	border: 2px solid rgba(255, 255, 255, 0.4);
	border-radius: var(--radius-full);
	color: #fff;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.nav-close-btn:hover {
	border-color: #fff;
	background-color: rgba(255, 255, 255, 0.1);
}

.nav-close-btn__icon,
.nav-close-btn__icon::before,
.nav-close-btn__icon::after {
	position: relative;
	display: block;
	width: 18px;
	height: 2px;
	background-color: #fff;
}

.nav-close-btn__icon {
	background: transparent;
}

.nav-close-btn__icon::before,
.nav-close-btn__icon::after {
	content: '';
	position: absolute;
	left: 0;
}

.nav-close-btn__icon::before {
	transform: rotate(45deg);
}
.nav-close-btn__icon::after {
	transform: rotate(-45deg);
}

/* 전체 내비 내부 */
.fullscreen-nav__inner {
	width: 100%;
	max-width: 900px;
	padding: 4rem 2rem;
}

.fullscreen-nav__nav {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
	gap: 2rem;
}

.fullscreen-nav__item {
	/* visibility: hidden — GSAP가 제어 */
}

.fullscreen-nav__link {
	display: block;
	font-size: 1.5rem;
	font-weight: 900;
	color: #ffffff;
	margin-bottom: 1rem;
	transition: color var(--transition-fast);
}

.fullscreen-nav__link:hover {
	color: var(--color-accent);
}

.fullscreen-nav__sub {
	list-style: none;
	padding: 0;
	margin: 0;
	border-left: 2px solid rgba(255, 255, 255, 0.2);
	padding-left: 1rem;
}

.fullscreen-nav__sub-item {
	margin-bottom: 0.5rem;
}

.fullscreen-nav__sub-link {
	color: rgba(255, 255, 255, 0.7);
	font-size: 0.9375rem;
	transition: color var(--transition-fast);
}

.fullscreen-nav__sub-link:hover {
	color: #ffffff;
}

.fullscreen-nav__footer {
	margin-top: 3rem;
	padding-top: 2rem;
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	text-align: center;
}

.fullscreen-nav__home-link {
	color: rgba(255, 255, 255, 0.5);
	font-size: 0.875rem;
	transition: color var(--transition-fast);
}

.fullscreen-nav__home-link:hover {
	color: #ffffff;
}

.fullscreen-nav__empty {
	color: rgba(255, 255, 255, 0.5);
}

/* ── 8. 검색 오버레이 패널 ───────────────────────────────── */

.header-search-panel {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	display: flex;
	align-items: flex-start;
	justify-content: center;
	background-color: rgba(0, 0, 0, 0.55);
	z-index: calc(var(--z-header) + 10);
	padding-top: calc(var(--header-height) + 16px);
	opacity: 0;
	pointer-events: none;
	transition: opacity 0.25s ease;
}

.header-search-panel.is-open {
	opacity: 1;
	pointer-events: auto;
}

.header-search-panel__box {
	width: 100%;
	max-width: 700px;
	background-color: var(--header-bg, #fff);
	border-radius: var(--radius-md);
	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
	padding: 1.25rem 1.5rem;
	display: flex;
	align-items: center;
	gap: 0.75rem;
	transform: translateY(-12px);
	transition: transform 0.25s ease;
}

.header-search-panel.is-open .header-search-panel__box {
	transform: translateY(0);
}

.header-search-panel__form {
	flex: 1;
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.header-search-panel__input {
	flex: 1;
	border: none;
	outline: none;
	font-size: 1.125rem;
	color: var(--color-text, #222);
	background: transparent;
	padding: 0.25rem 0;
}

.header-search-panel__input::placeholder {
	color: var(--color-text-muted, #aaa);
}

.header-search-panel__submit {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	background-color: var(--color-primary, #1E3A5F);
	color: #fff;
	border: none;
	border-radius: var(--radius-full);
	font-size: 1rem;
	cursor: pointer;
	transition: background-color var(--transition-fast);
}

.header-search-panel__submit:hover {
	background-color: var(--color-accent, #2E86AB);
}

.header-search-panel__close {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 36px;
	height: 36px;
	background: none;
	border: 1.5px solid var(--color-border, #ddd);
	border-radius: var(--radius-full);
	color: var(--color-text, #222);
	font-size: 1.125rem;
	cursor: pointer;
	transition: border-color var(--transition-fast), color var(--transition-fast);
	flex-shrink: 0;
}

.header-search-panel__close:hover {
	border-color: var(--color-primary, #1E3A5F);
	color: var(--color-primary, #1E3A5F);
}