/* Site header */

:root {
	--yaoshg-header-height: 88px;
}

.site-header {
	position: sticky;
	top: 0;
	z-index: 1000;
	background: rgba(255, 255, 255, 0.94);
	backdrop-filter: blur(14px);
	border-bottom: 1px solid var(--yaoshg-border);
	box-shadow: 0 8px 30px rgba(0, 42, 31, 0.04);
}

.site-header__bar {
	height: 3px;
	background: linear-gradient(90deg, var(--yaoshg-primary) 0%, var(--yaoshg-secondary) 55%, var(--yaoshg-primary) 100%);
}

.site-header .site-nav__item--mega {
	position: static;
}

.site-header__inner {
	display: grid;
	grid-template-columns: auto minmax(0, 1fr) auto;
	align-items: center;
	gap: 1rem 1.5rem;
	min-height: var(--yaoshg-header-height);
}

.site-header__brand {
	display: inline-flex;
	align-items: center;
	gap: 0.75rem;
	min-width: 0;
	color: var(--yaoshg-dark);
	text-decoration: none;
}

.site-header__brand:hover {
	color: var(--yaoshg-primary);
}

.site-header__logo {
	width: 52px;
	height: 52px;
	object-fit: contain;
	flex-shrink: 0;
}

.site-header__brand-text {
	display: grid;
	gap: 0.12rem;
	min-width: 0;
}

.site-header__name {
	font-size: 1.18rem;
	font-weight: 700;
	line-height: 1.1;
	color: var(--yaoshg-dark);
}

.site-header__tagline {
	font-size: 0.7rem;
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--yaoshg-gray);
}

.site-header__center {
	display: flex;
	justify-content: center;
	min-width: 0;
}

.site-nav {
	display: flex;
	align-items: center;
	width: 100%;
}

.site-nav__desktop {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
}

.site-nav__list {
	display: flex;
	align-items: center;
	justify-content: center;
	flex-wrap: wrap;
	gap: 0.15rem 1.1rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.site-nav__item > a,
.site-nav__mega-trigger {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	padding: 0.45rem 0.15rem;
	color: var(--yaoshg-dark);
	font-weight: 600;
	font-size: 0.94rem;
	border-radius: 6px;
}

.site-nav__item > a:hover,
.site-nav__mega-trigger:hover,
.site-nav__item--mega.is-open .site-nav__mega-trigger {
	color: var(--yaoshg-primary);
}

.site-header__tools {
	display: flex;
	align-items: center;
	gap: 0.65rem;
	flex-shrink: 0;
}

.site-header__search-desktop {
	width: min(100%, 280px);
}

.site-header__cta {
	padding: 0.5rem 0.95rem;
	font-size: 0.82rem;
	font-weight: 700;
	line-height: 1.2;
	border-width: 0;
	white-space: nowrap;
}

.site-header__cta:hover {
	transform: none;
}

.site-nav-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 44px;
	height: 44px;
	padding: 0;
	border: 1px solid var(--yaoshg-border);
	border-radius: 10px;
	background: var(--yaoshg-white);
	cursor: pointer;
}

.site-nav-toggle span {
	display: block;
	width: 18px;
	height: 2px;
	margin: 0 auto;
	background: var(--yaoshg-dark);
	transition: transform 0.2s ease, opacity 0.2s ease;
}

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

.site-header.is-nav-open .site-nav-toggle span:nth-child(2) {
	opacity: 0;
}

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

/* Global search */

.screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.site-search {
	position: relative;
}

.site-search__form {
	display: flex;
	align-items: center;
	gap: 0;
	min-height: 44px;
	padding: 0.2rem 0.2rem 0.2rem 0.85rem;
	border: 1px solid var(--yaoshg-border);
	border-radius: 999px;
	background: var(--yaoshg-light);
	transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.site-search.is-open .site-search__form,
.site-search__form:focus-within {
	border-color: rgba(0, 114, 83, 0.45);
	background: var(--yaoshg-white);
	box-shadow: 0 0 0 3px rgba(0, 114, 83, 0.1);
}

.site-search__icon {
	display: inline-flex;
	color: var(--yaoshg-gray);
	flex-shrink: 0;
}

.site-search__input {
	width: 100%;
	min-width: 0;
	padding: 0.45rem 0.55rem;
	border: 0;
	background: transparent;
	font: inherit;
	font-size: 0.9rem;
	color: var(--yaoshg-dark);
}

.site-search__input:focus {
	outline: none;
}

.site-search__input::placeholder {
	color: var(--yaoshg-gray);
}

.site-search__submit {
	flex-shrink: 0;
	padding: 0.55rem 1rem;
	border: 0;
	border-radius: 999px;
	background: var(--yaoshg-primary);
	color: var(--yaoshg-white);
	font-size: 0.82rem;
	font-weight: 700;
	cursor: pointer;
	transition: background 0.2s ease;
}

.site-search__submit:hover {
	background: var(--yaoshg-primary-dark);
}

.site-search__panel {
	position: absolute;
	top: calc(100% + 0.55rem);
	right: 0;
	z-index: 1005;
	width: min(92vw, 420px);
	padding: 0.65rem;
	border: 1px solid var(--yaoshg-border);
	border-radius: calc(var(--yaoshg-radius) + 2px);
	background: var(--yaoshg-white);
	box-shadow: 0 22px 50px rgba(0, 0, 0, 0.14);
}

.site-search__empty {
	margin: 0.35rem 0.5rem;
	font-size: 0.86rem;
	color: var(--yaoshg-gray);
}

.site-search__results {
	list-style: none;
	margin: 0;
	padding: 0;
	max-height: 360px;
	overflow-y: auto;
}

.site-search__result {
	display: grid;
	gap: 0.1rem;
	padding: 0.65rem 0.7rem;
	border-radius: 8px;
	color: inherit;
	text-decoration: none;
}

.site-search__result:hover,
.site-search__result.is-active {
	background: var(--yaoshg-light);
	color: inherit;
}

.site-search__result-type {
	font-size: 0.68rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--yaoshg-primary);
}

.site-search__result-title {
	font-size: 0.9rem;
	font-weight: 700;
	color: var(--yaoshg-dark);
}

.site-search__result-excerpt {
	font-size: 0.78rem;
	line-height: 1.4;
	color: var(--yaoshg-gray);
	display: -webkit-box;
	-webkit-line-clamp: 2;
	line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.site-search__all {
	display: block;
	margin-top: 0.35rem;
	padding: 0.65rem 0.7rem;
	border-top: 1px solid var(--yaoshg-border);
	font-size: 0.88rem;
	font-weight: 700;
	color: var(--yaoshg-primary);
	text-align: center;
}

.site-nav__mobile {
	display: none;
}

.site-nav__mobile > .site-search {
	margin-bottom: 0.5rem;
}

.site-nav__mobile > .site-search .site-search__form {
	border-radius: 12px;
}

.site-nav__mobile > .site-search .site-search__panel {
	position: static;
	width: 100%;
	margin-top: 0.35rem;
	box-shadow: none;
	border: 1px solid var(--yaoshg-border);
}

@media (max-width: 1200px) {
	.site-header__inner {
		grid-template-columns: auto 1fr auto;
		gap: 0.75rem 1rem;
	}

	.site-header__search-desktop {
		width: min(100%, 220px);
	}

	.site-nav__list {
		gap: 0.15rem 0.75rem;
	}
}

@media (max-width: 768px) {
	:root {
		--yaoshg-header-height: 76px;
	}

	.site-header__inner {
		grid-template-columns: 1fr auto;
		grid-template-areas:
			"brand tools"
			"nav nav";
		align-items: center;
		padding-block: 0.65rem;
		min-height: auto;
	}

	.site-header__brand {
		grid-area: brand;
	}

	.site-header__center {
		grid-area: nav;
		display: none;
	}

	.site-header.is-nav-open .site-header__center {
		display: block;
		max-height: calc(100svh - 4.5rem);
		overflow-y: auto;
		overscroll-behavior: contain;
		-webkit-overflow-scrolling: touch;
	}

	.site-header__tools {
		grid-area: tools;
		position: relative;
		z-index: 2;
	}

	.site-header__search-desktop {
		display: none;
	}

	.site-nav {
		flex-direction: column;
		align-items: stretch;
	}

	.site-nav__desktop {
		display: none;
	}

	.site-nav__mobile {
		display: block;
		width: 100%;
		padding-top: 0.5rem;
		border-top: 1px solid var(--yaoshg-border);
	}

	.site-nav-toggle {
		display: flex;
		position: relative;
		z-index: 3;
		touch-action: manipulation;
		-webkit-tap-highlight-color: transparent;
	}

	.site-header__cta {
		display: none;
	}

	.site-header.is-nav-open {
		box-shadow: 0 18px 40px rgba(0, 0, 0, 0.08);
	}
}