/* ==========================================================================
   HEADER
   ========================================================================== */

.announcement-bar {
	background: var(--ink);
	color: var(--white);
}

.announcement-bar p {
	color: var(--white);
	text-align: center;
	font-family: var(--font-mono);
	font-size: var(--fs-xs);
	letter-spacing: 0.04em;
	padding-block: 0.55em;
}

.site-header {
	position: sticky;
	top: 0;
	z-index: var(--z-header);
	background: var(--paper);
	border-bottom: 1px solid var(--line-color);
	transition: padding var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
}

.site-header__inner {
	display: flex;
	align-items: center;
	gap: var(--space-md);
	padding-block: var(--space-sm);
	transition: padding var(--dur-base) var(--ease);
}

.site-header.is-stuck .site-header__inner {
	padding-block: var(--space-xs);
	box-shadow: 0 1px 0 var(--line-color);
}

.site-branding {
	margin-right: auto;
}

.site-logo {
	display: inline-flex;
	align-items: center;
}

.site-logo__img {
	width: 56px;
	height: 56px;
	object-fit: contain;
	transition: width var(--dur-base) var(--ease), height var(--dur-base) var(--ease);
}

.site-header.is-stuck .site-logo__img {
	width: 42px;
	height: 42px;
}

.site-logo__text {
	font-family: var(--font-display);
	font-weight: 800;
	font-size: var(--fs-md);
	letter-spacing: 0.02em;
}

.primary-nav {
	margin-inline: auto;
}

.site-header__actions {
	display: flex;
	align-items: center;
	gap: var(--space-xs);
	margin-left: auto;
}

.header-icon-btn {
	position: relative;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 38px;
	height: 38px;
	color: var(--ink);
	transition: opacity var(--dur-fast) var(--ease);
}

.header-icon-btn:hover {
	opacity: 0.6;
}

.badge-count {
	position: absolute;
	top: 0;
	right: 0;
	min-width: 16px;
	height: 16px;
	padding: 0 3px;
	border-radius: 50%;
	background: var(--ink);
	color: var(--white);
	font-family: var(--font-mono);
	font-size: 0.62rem;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	line-height: 1;
}

/* ---- Hamburger ---- */
.menu-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 32px;
	height: 32px;
}

.menu-toggle__bar {
	display: block;
	width: 100%;
	height: 1.5px;
	background: var(--ink);
	transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}

/* ---- Overlay de busca ---- */
.search-overlay {
	position: fixed;
	inset: 0;
	z-index: var(--z-overlay);
	background: var(--paper);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: var(--space-md);
	opacity: 0;
	visibility: hidden;
	transform: translateY(-8px);
	transition: opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease), visibility var(--dur-base);
}

.search-overlay.is-open {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.search-overlay__close {
	position: absolute;
	top: var(--space-md);
	right: var(--space-md);
	font-size: 2rem;
	line-height: 1;
}

.search-overlay__form {
	width: min(640px, 90vw);
	display: flex;
	align-items: center;
	border-bottom: 1px solid var(--ink);
	padding-bottom: var(--space-xs);
}

.search-overlay__input {
	border: 0;
	background: transparent;
	font-family: var(--font-display);
	font-size: var(--fs-xl);
	font-weight: 700;
	padding: 0;
}

.search-overlay__input:focus {
	border-color: transparent;
}

.search-overlay__submit {
	font-family: var(--font-mono);
	font-size: var(--fs-sm);
	text-transform: uppercase;
}

/* ---- Menu mobile ---- */
.mobile-menu {
	position: fixed;
	top: 0;
	left: 0;
	height: 100%;
	width: min(380px, 88vw);
	background: var(--ink);
	color: var(--white);
	z-index: var(--z-drawer);
	padding: var(--space-md);
	transform: translateX(-100%);
	transition: transform var(--dur-base) var(--ease);
	overflow-y: auto;
}

.mobile-menu.is-open {
	transform: translateX(0);
}

.mobile-menu__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: var(--space-md);
	padding-bottom: var(--space-sm);
	border-bottom: 1px solid var(--line-color-on-dark);
}

.mobile-menu__title {
	font-family: var(--font-mono);
	font-size: var(--fs-xs);
	text-transform: uppercase;
	letter-spacing: 0.1em;
	color: rgba(255, 255, 255, 0.6);
}

.mobile-menu__close {
	font-size: 1.8rem;
	color: var(--white);
	line-height: 1;
}

.mobile-menu__list > li {
	border-bottom: 1px solid var(--line-color-on-dark);
}

.mobile-menu__list > li > a {
	display: block;
	padding: var(--space-xs) 0;
	font-family: var(--font-display);
	font-weight: 700;
	font-size: var(--fs-md);
}

.mobile-menu__list .sub-menu {
	padding-bottom: var(--space-xs);
}

.mobile-menu__list .sub-menu a {
	display: block;
	padding: 0.4em 0;
	font-size: var(--fs-sm);
	color: rgba(255, 255, 255, 0.7);
}

.mobile-menu__social {
	margin-top: var(--space-md);
}

.overlay-backdrop {
	position: fixed;
	inset: 0;
	background: rgba(10, 10, 10, 0.45);
	z-index: calc(var(--z-drawer) - 1);
	opacity: 0;
	visibility: hidden;
	transition: opacity var(--dur-base) var(--ease), visibility var(--dur-base);
}

.overlay-backdrop.is-visible {
	opacity: 1;
	visibility: visible;
}

.social-icons {
	display: flex;
	gap: var(--space-xs);
}

.social-icons a {
	display: inline-flex;
	width: 32px;
	height: 32px;
	align-items: center;
	justify-content: center;
	border: 1px solid var(--line-color-on-dark);
	border-radius: 50%;
	transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.social-icons a:hover {
	background: rgba(255, 255, 255, 0.1);
}