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

.header {
	position: sticky;
	top: 0;
	z-index: 100;
	background-color: rgba(250, 248, 245, 0.92);
	backdrop-filter: blur(8px);
	border-bottom: 1px solid var(--color-border);
}

.header__inner {
	max-width: var(--container-width);
	margin: 0 auto;
	padding: 0 var(--space-md);
	height: var(--header-height);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-md);
}

.header__logo-link {
	display: flex;
	flex-direction: column;
	line-height: 1.3;
}

.header__logo-text {
	font-family: var(--font-serif);
	font-size: 22px;
	font-weight: 600;
	color: var(--color-bg-dark);
	letter-spacing: 0.08em;
}

.header__logo-sub {
	font-size: 10px;
	font-weight: 400;
	color: var(--color-text-light);
	letter-spacing: 0.15em;
	text-transform: uppercase;
}

.header__nav-list {
	display: flex;
	align-items: center;
	gap: var(--space-lg);
}

.header__nav-link {
	font-size: 13px;
	font-weight: 500;
	color: var(--color-text);
	letter-spacing: 0.1em;
	text-transform: uppercase;
}

.header__nav-link:hover {
	color: var(--color-accent);
}

.header__toggle {
	display: none;
}

.header__nav-close {
	display: none;
}

.header__cta {
	flex-shrink: 0;
	padding: 10px 28px;
	font-size: 13px;
	font-weight: 500;
	letter-spacing: 0.08em;
	color: var(--color-white);
	background-color: var(--color-accent);
	border: 1px solid var(--color-accent);
}

.header__cta:hover {
	background-color: transparent;
	color: var(--color-accent);
}

.header__cta--fixed {
	display: none;
}

@media (max-width: 768px) {
	.header__inner {
		padding: 0 var(--space-sm);
	}

	.header__nav {
		position: fixed;
		inset: 0;
		z-index: 99;
		display: flex;
		align-items: center;
		justify-content: center;
		background-color: rgba(35, 32, 28, 0.92);
		-webkit-backdrop-filter: blur(2px);
		backdrop-filter: blur(2px);
		opacity: 0;
		visibility: hidden;
		pointer-events: none;
		transition:
			opacity 0.3s ease,
			visibility 0.3s ease;
	}

	.header.is-nav-open .header__nav {
		opacity: 1;
		visibility: visible;
		pointer-events: auto;
		z-index: 101;
	}

	.header__nav-close {
		display: none;
	}

	.header.is-nav-open .header__nav-close {
		display: flex;
		align-items: center;
		justify-content: center;
		position: absolute;
		top: var(--space-sm);
		right: var(--space-sm);
		width: 44px;
		height: 44px;
		padding: 0;
		border: none;
		background: transparent;
		cursor: pointer;
	}

	.header__nav-close-icon {
		position: relative;
		display: block;
		width: 22px;
		height: 22px;
	}

	.header__nav-close-icon::before,
	.header__nav-close-icon::after {
		content: '';
		position: absolute;
		top: 50%;
		left: 50%;
		width: 22px;
		height: 1px;
		background-color: var(--color-white);
		transform-origin: center;
	}

	.header__nav-close-icon::before {
		transform: translate(-50%, -50%) rotate(45deg);
	}

	.header__nav-close-icon::after {
		transform: translate(-50%, -50%) rotate(-45deg);
	}

	.header__nav-list {
		flex-direction: column;
		gap: var(--space-lg);
	}

	.header__nav-link {
		font-family: var(--font-serif);
		font-size: 22px;
		color: var(--color-white);
		letter-spacing: 0.12em;
	}

	.header__nav-link:hover {
		color: var(--color-accent-light);
	}

	.header__toggle {
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: center;
		gap: 6px;
		width: 44px;
		height: 44px;
		padding: 0;
		border: none;
		background: transparent;
		cursor: pointer;
	}

	.header__toggle-bar {
		display: block;
		width: 22px;
		height: 1px;
		background-color: var(--color-bg-dark);
		transition:
			transform 0.3s ease,
			opacity 0.3s ease;
	}

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

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

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

	.header__inner > .header__cta {
		display: none;
	}

	.header__cta--fixed {
		display: flex;
		align-items: center;
		justify-content: center;
		position: fixed;
		right: var(--space-sm);
		bottom: calc(var(--space-sm) + env(safe-area-inset-bottom, 0px));
		z-index: 110;
		width: 68px;
		height: 68px;
		padding: 0;
		border-radius: 50%;
		font-size: 11px;
		line-height: 1.35;
		text-align: center;
		letter-spacing: 0.04em;
		box-shadow: 0 6px 20px rgba(61, 56, 50, 0.28);
	}

	.header__cta--fixed:hover {
		background-color: var(--color-accent);
		color: var(--color-white);
	}
}

@media (prefers-reduced-motion: reduce) {
	.header__nav,
	.header__toggle-bar {
		transition: none;
	}
}