/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 100;
	height: var(--header-height);
	background: transparent;
	border-bottom: 1px solid transparent;
	transition: background var(--transition), border-color var(--transition);
}

.site-header.is-scrolled,
body:not(.home) .site-header {
	background-color: #fff;
	border-bottom-color: rgba(0, 0, 0, 0.06);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	max-width: var(--container-max);
	height: 100%;
	margin: 0 auto;
	padding: 0 20px;
}

.site-header__logo-text {
	font-size: clamp(24px, 3vw, 40px);
	font-weight: 700;
	letter-spacing: -0.01em;
	color: var(--color-text);
	transition: color var(--transition);
}

.site-header.is-scrolled .site-header__logo-text,
body:not(.home) .site-header .site-header__logo-text {
	color: #1a1a1a;
}

body.home .site-header:not(.is-scrolled) .site-header__logo-text {
	color: #fff;
}

.site-header__logo-img {
	display: block;
	max-height: 48px;
	width: auto;
	transition: filter var(--transition);
}

body.home .site-header:not(.is-scrolled) .site-header__logo-img {
	filter: brightness(0) invert(1);
}

.site-header.is-scrolled .site-header__logo-img,
body:not(.home) .site-header .site-header__logo-img {
	filter: none;
}

.site-header__menu {
	display: flex;
	align-items: center;
	gap: 32px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.site-header__menu a {
	font-size: 20px;
	font-weight: 600;
	letter-spacing: -0.01em;
	color: #1a1a1a;
	padding: 10px;
	transition: color var(--transition);
}

.site-header.is-scrolled .site-header__menu a,
body:not(.home) .site-header .site-header__menu a {
	color: #1a1a1a;
}

body.home .site-header:not(.is-scrolled) .site-header__menu a {
	color: #fff;
}

.site-header__menu a:hover {
	color: var(--color-accent);
}

body.home .site-header:not(.is-scrolled) .site-header__menu a:hover {
	color: rgba(255, 255, 255, 0.75);
}

.site-header__toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 40px;
	height: 40px;
	padding: 0;
	border: none;
	background: transparent;
	cursor: pointer;
}

.site-header__toggle-bar {
	display: block;
	width: 24px;
	height: 2px;
	background: #1a1a1a;
	transition: transform var(--transition), opacity var(--transition), background var(--transition);
}

.site-header.is-scrolled .site-header__toggle-bar,
body:not(.home) .site-header .site-header__toggle-bar {
	background: #1a1a1a;
}

body.home .site-header:not(.is-scrolled) .site-header__toggle-bar {
	background: #fff;
}

@media (max-width: 768px) {
	.site-header__toggle {
		display: flex;
	}

	/* 모바일: 드롭다운 메뉴 링크는 항상 검정 */
	body.home .site-header .site-header__nav .site-header__menu a,
	.site-header .site-header__nav .site-header__menu a {
		color: #1a1a1a;
	}

	body.home .site-header .site-header__nav .site-header__menu a:hover,
	.site-header .site-header__nav .site-header__menu a:hover {
		color: var(--color-accent);
	}

	.site-header__nav {
		position: fixed;
		top: var(--header-height);
		left: 0;
		right: 0;
		background: var(--color-white);
		border-bottom: 1px solid rgba(0, 0, 0, 0.08);
		padding: 0;
		transform: translateY(-120%);
		opacity: 0;
		pointer-events: none;
		transition: transform var(--transition), opacity var(--transition);
	}

	/* 메뉴 열림: 헤더 바 흰 배경 + 검정 X 아이콘 */
	.site-header.is-open {
		background-color: #fff;
		border-bottom-color: rgba(0, 0, 0, 0.06);
	}

	body.home .site-header:not(.is-scrolled).is-open .site-header__logo-img {
		filter: none;
	}

	.site-header.is-open .site-header__nav {
		transform: translateY(0);
		opacity: 1;
		pointer-events: auto;
	}

	body.home .site-header:not(.is-scrolled).is-open .site-header__toggle-bar {
		background: #1a1a1a;
	}

	.site-header.is-open .site-header__toggle-bar:nth-child(1) {
		transform: translateY(7px) rotate(45deg);
	}

	.site-header.is-open .site-header__toggle-bar:nth-child(2) {
		opacity: 0;
	}

	.site-header.is-open .site-header__toggle-bar:nth-child(3) {
		transform: translateY(-7px) rotate(-45deg);
	}

	.site-header__nav .site-header__menu {
		flex-direction: column;
		align-items: stretch;
		gap: 0;
		width: 100%;
	}

	.site-header__nav .site-header__menu a {
		display: block;
		width: 100%;
		padding: 16px 20px;
		font-size: 18px;
		box-sizing: border-box;
	}
}