/**
 * Header — Estilos do cabecalho fixo, navegacao, toggle de tema e menu mobile.
 *
 * Inclui estados scrolled (com backdrop-filter), suporte a light/dark mode,
 * navegacao desktop com underline animado, CTA, toggle de tema,
 * hamburger animado e menu mobile fullscreen.
 *
 * @package mb-theme
 * @since 1.0.0
 */

/* Skip link — acessibilidade: visivel apenas com foco via teclado */
.skip-link {
	position: absolute;
	top: -100%;
	left: var(--sp-4);
	background: var(--accent);
	color: white;
	padding: var(--sp-2) var(--sp-4);
	border-radius: var(--radius-sm);
	z-index: 10000;
	font-family: var(--mono);
	font-size: var(--text-sm);
	transition: top 0.2s;
}

.skip-link:focus {
	top: var(--sp-4);
}

/* Header fixo */
.header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	padding: var(--sp-5) 0;
	transition: all 0.4s var(--ease-out);
	background: transparent;
}

/* Compensar admin bar do WordPress */
.admin-bar .header {
	top: 32px;
}

@media (max-width: 782px) {
	.admin-bar .header {
		top: 46px;
	}
}

.header.scrolled {
	padding: var(--sp-3) 0;
	background: rgba(26, 25, 23, 0.85);
	backdrop-filter: blur(20px) saturate(180%);
	-webkit-backdrop-filter: blur(20px) saturate(180%);
	border-bottom: 1px solid rgba(99, 96, 89, 0.15);
}

/* Light mode scrolled */
[data-theme="light"] .header.scrolled {
	background: rgba(248, 247, 245, 0.85);
	border-bottom: 1px solid rgba(99, 96, 89, 0.1);
}

.header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
}

/* Logo */
.header__logo {
	display: flex;
	align-items: center;
	gap: var(--sp-3);
	font-family: var(--sans);
	font-weight: 600;
	font-size: var(--text-base);
	color: var(--text-primary);
	z-index: 1001;
}

.header__logo img {
	width: 28px;
	height: 28px;
}

[data-theme="light"] .header__logo img {
	filter: invert(1);
}

/* Nav desktop */
.header__nav {
	display: flex;
	align-items: center;
	gap: var(--sp-8);
}

.header__link {
	font-family: var(--mono);
	font-size: var(--text-xs);
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--text-subtle);
	transition: color 0.3s var(--ease-out);
	position: relative;
	padding: var(--sp-2) 0;
}

.header__link::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 0;
	height: 1px;
	background: var(--accent);
	transition: width 0.3s var(--ease-out);
}

.header__link:hover {
	color: var(--text-secondary);
}

.header__link:hover::after {
	width: 100%;
}

.header__link--active,
.current-menu-item > a {
	color: var(--text-secondary);
}

.header__link--active::after,
.current-menu-item > a::after {
	width: 100%;
}

/* Itens de menu gerados pelo wp_nav_menu */
.header__nav .menu-item {
	list-style: none;
}

.header__nav .menu-item a {
	font-family: var(--mono);
	font-size: var(--text-xs);
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--text-subtle);
	transition: color 0.3s var(--ease-out);
	position: relative;
	padding: var(--sp-2) 0;
}

.header__nav .menu-item a::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 0;
	height: 1px;
	background: var(--accent);
	transition: width 0.3s var(--ease-out);
}

.header__nav .menu-item a:hover {
	color: var(--text-secondary);
}

.header__nav .menu-item a:hover::after {
	width: 100%;
}

.header__nav .current-menu-item a {
	color: var(--text-secondary);
}

.header__nav .current-menu-item a::after {
	width: 100%;
}

/* Itens de menu no mobile */
.header__mobile-menu .menu-item {
	list-style: none;
}

.header__mobile-menu .menu-item a {
	font-family: var(--mono);
	font-size: var(--text-2xl);
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--text-subtle);
	transition: color 0.3s var(--ease-out);
}

.header__mobile-menu .menu-item a:hover {
	color: var(--text-secondary);
}

/* CTA */
.header__cta {
	font-family: var(--mono);
	font-size: var(--text-xs);
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: white;
	background: var(--accent);
	padding: var(--sp-2) var(--sp-5);
	border-radius: var(--radius-sm);
	transition: all 0.3s var(--ease-out);
}

.header__cta:hover {
	background: var(--accent-hover);
	transform: translateY(-1px);
}

/* Theme toggle — botao de alternancia claro/escuro */
.header__theme-toggle {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 32px;
	height: 32px;
	border-radius: var(--radius-sm);
	color: var(--text-subtle);
	transition: color 0.3s var(--ease-out);
	cursor: pointer;
	background: none;
	border: none;
	padding: 0;
}

.header__theme-toggle:hover {
	color: var(--text-secondary);
}

.header__theme-toggle-icon::before {
	content: '\263E';
	font-size: var(--text-lg);
}

[data-theme="light"] .header__theme-toggle-icon::before {
	content: '\2600';
}

/* Toggle mobile (hamburger) — oculto no desktop, visivel em mobile */
.header__toggle {
	display: none;
	flex-direction: column;
	gap: 5px;
	z-index: 1001;
	padding: var(--sp-2);
	cursor: pointer;
	background: none;
	border: none;
}

.header__toggle span {
	display: block;
	width: 20px;
	height: 1.5px;
	background: var(--text-primary);
	transition: all 0.3s var(--ease-out);
}

.header__toggle.is-active span:nth-child(1) {
	transform: rotate(45deg) translate(5px, 5px);
}

.header__toggle.is-active span:nth-child(2) {
	opacity: 0;
}

.header__toggle.is-active span:nth-child(3) {
	transform: rotate(-45deg) translate(5px, -5px);
}

/* Menu mobile fullscreen */
.header__mobile-menu {
	position: fixed;
	inset: 0;
	z-index: 999;
	background: var(--bg-primary);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: var(--sp-8);
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.4s var(--ease-out), visibility 0.4s;
}

.header__mobile-menu.is-open {
	opacity: 1;
	visibility: visible;
}

/* Compensar admin bar no menu mobile */
.admin-bar .header__mobile-menu {
	top: 32px;
}

@media (max-width: 782px) {
	.admin-bar .header__mobile-menu {
		top: 46px;
	}
}

.header__mobile-menu nav {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--sp-6);
}

.header__mobile-menu .header__link {
	font-size: var(--text-2xl);
}

.header__mobile-menu .header__cta {
	font-size: var(--text-sm);
	padding: var(--sp-3) var(--sp-8);
	margin-top: var(--sp-4);
}

/* Remover efeito scrolled quando menu mobile esta aberto */
.header:has(.header__mobile-menu.is-open).scrolled {
	background: transparent;
	backdrop-filter: none;
	-webkit-backdrop-filter: none;
	border-bottom: none;
}

/* Responsivo — breakpoint mobile */
@media (max-width: 1024px) {
	.header__nav {
		display: none;
	}

	.header__toggle {
		display: flex;
	}
}