/* ================================================================
   SERENO – HEADER.CSS
   Header fixo no topo, fundo navy, logo serif + menu sans-serif.
   ================================================================ */

/* ----------------------------------------------------------------
   ESTRUTURA DO HEADER
   ---------------------------------------------------------------- */
.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	height: var(--header-height);
	background-color: var(--color-navy);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 100%;
	gap: var(--space-md);
}

/* ----------------------------------------------------------------
   LOGO
   ---------------------------------------------------------------- */
.site-header__logo {
	display: inline-flex;
	align-items: center;
	flex-shrink: 0;
	text-decoration: none;
	transition: opacity var(--transition);
}

.site-header__logo:hover,
.site-header__logo:focus-visible {
	opacity: 0.80;
}

/* Imagem de logo customizada via WordPress */
.site-header__logo img {
	height: 40px;
	width: auto;
	max-width: 180px;
}

/* Texto do logo (fallback quando não há imagem) */
.site-header__logo-text {
	font-family: var(--font-serif);
	font-size: 1.375rem;
	font-weight: 300;
	letter-spacing: 0.28em;
	color: var(--color-white);
	line-height: 1;
}

.site-header__logo-text em {
	font-style: normal;
}

/* ----------------------------------------------------------------
   NAVEGAÇÃO
   ---------------------------------------------------------------- */
.site-header__nav {
	display: flex;
	align-items: center;
}

.site-header__menu {
	display: flex;
	align-items: center;
	gap: var(--space-md);
}

.site-header__menu a,
.site-header__menu li > a {
	font-family: var(--font-sans);
	font-size: 0.75rem;
	font-weight: 400;
	letter-spacing: 0.04em;
	color: var(--color-white);
	text-decoration: none;
	white-space: nowrap;
	transition: opacity var(--transition);
	display: block;
	padding: 4px 0;
}

.site-header__menu a:hover,
.site-header__menu li > a:hover,
.site-header__menu .current-menu-item > a {
	opacity: 0.65;
}

/* ----------------------------------------------------------------
   HAMBURGER (mobile – visível apenas via media query)
   ---------------------------------------------------------------- */
.site-header__hamburger {
	display: none;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	width: 40px;
	height: 40px;
	gap: 6px;
	flex-shrink: 0;
	padding: 6px;
	background: none;
	border: none;
	cursor: pointer;
	z-index: 1100;
}

.site-header__hamburger span {
	display: block;
	width: 22px;
	height: 1.5px;
	background-color: var(--color-white);
	border-radius: 2px;
	transition:
		transform var(--transition),
		opacity var(--transition),
		width var(--transition);
	transform-origin: center;
}

/* Estado: menu aberto */
.site-header__hamburger.is-open span:nth-child(1) {
	transform: translateY(7.5px) rotate(45deg);
}
.site-header__hamburger.is-open span:nth-child(2) {
	opacity: 0;
	transform: scaleX(0);
}
.site-header__hamburger.is-open span:nth-child(3) {
	transform: translateY(-7.5px) rotate(-45deg);
}

/* ----------------------------------------------------------------
   OVERLAY ESCURO por trás do menu mobile
   ---------------------------------------------------------------- */
.site-header__overlay {
	display: none;
	position: fixed;
	inset: 0;
	background: rgba(0, 0, 0, 0.55);
	z-index: 998;
	opacity: 0;
	transition: opacity var(--transition-md);
}

.site-header__overlay.is-visible {
	opacity: 1;
}