/*
 * Componente: cabecera del sitio.
 * Transparente sobre el hero de portada; sólida al hacer scroll
 * (atributo data-scrolled gestionado por header-scroll.js).
 */

.header-sentinel {
	position: absolute;
	top: 0;
	height: 1px;
	width: 1px;
}

.site-header {
	position: fixed;
	inset-inline: 0;
	top: 0;
	z-index: var(--z-header);
	background-color: color-mix(in srgb, var(--color-black) 92%, transparent);
	border-bottom: 1px solid var(--color-line);
	transition:
		background-color var(--duration-base) var(--ease-out),
		border-color var(--duration-base) var(--ease-out);
}

.site-header--transparent:not([data-scrolled]) {
	background-color: transparent;
	border-bottom-color: transparent;
}

.site-header[data-scrolled] {
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-m);
	min-height: var(--header-height);
}

/* --- Marca --- */

.site-header__brand {
	display: inline-flex;
	align-items: center;
	flex-shrink: 0;
}

.site-header__logo--full {
	width: auto;
	height: 3.25rem;
}

.site-header__logo--compact {
	width: auto;
	height: 2.75rem;
	display: none;
}

@media (max-width: 419.98px) {
	.site-header__logo--full {
		display: none;
	}

	.site-header__logo--compact {
		display: block;
	}
}

/* --- Acciones --- */

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

.site-header__cart,
.site-header__toggle,
.site-nav__close {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	min-height: 44px;
	background: none;
	border: 1px solid transparent;
	border-radius: var(--radius-s);
	color: var(--color-ivory);
	cursor: pointer;
	text-decoration: none;
	transition: color var(--duration-fast) var(--ease-out);
}

.site-header__cart:hover,
.site-header__toggle:hover,
.site-nav__close:hover {
	color: var(--color-gold);
}

.site-header__cart {
	position: relative;
}

.site-header__cart-count {
	position: absolute;
	top: 4px;
	right: 2px;
	min-width: 1.15rem;
	height: 1.15rem;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding-inline: 0.25em;
	background-color: var(--color-gold);
	color: var(--color-black);
	font-size: 0.7rem;
	font-weight: 700;
	line-height: 1;
	border-radius: 999px;
}

/* --- Navegación: escritorio --- */

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

.site-nav__list {
	display: flex;
	align-items: center;
	gap: clamp(1rem, 2.5vw, 2.25rem);
	list-style: none;
	margin: 0;
	padding: 0;
}

.site-nav__list a {
	display: inline-block;
	padding: 0.5em 0.15em;
	font-size: var(--text-s);
	font-weight: 500;
	letter-spacing: var(--tracking-wide);
	text-transform: uppercase;
	text-decoration: none;
	color: var(--color-ivory);
}

.site-nav__list a:hover {
	color: var(--color-gold);
}

.site-nav__panel-head,
.site-nav__backdrop {
	display: none;
}

.site-header__toggle {
	display: none;
}

/* --- Navegación: móvil (panel lateral) --- */

@media (max-width: 899.98px) {
	.site-header__toggle {
		display: inline-flex;
	}

	.site-nav__panel {
		position: fixed;
		top: 0;
		right: 0;
		bottom: 0;
		z-index: var(--z-nav-panel);
		width: min(22rem, 88vw);
		padding: var(--space-m);
		background-color: var(--color-charcoal);
		border-left: 1px solid var(--color-line);
		transform: translateX(100%);
		visibility: hidden;
		transition:
			transform var(--duration-base) var(--ease-out),
			visibility 0s var(--duration-base);
		overflow-y: auto;
	}

	.site-nav__panel[data-open] {
		transform: translateX(0);
		visibility: visible;
		transition:
			transform var(--duration-base) var(--ease-out),
			visibility 0s;
	}

	.site-nav__panel-head {
		display: flex;
		align-items: center;
		justify-content: space-between;
		margin-bottom: var(--space-l);
	}

	.site-nav__panel-logo {
		width: auto;
		height: 2.5rem;
	}

	.site-nav__backdrop {
		display: block;
		position: fixed;
		inset: 0;
		z-index: calc(var(--z-nav-panel) - 1);
		background-color: var(--color-overlay);
		opacity: 0;
		pointer-events: none;
		transition: opacity var(--duration-base) var(--ease-out);
	}

	.site-nav__backdrop:not([hidden]) {
		opacity: 1;
		pointer-events: auto;
	}

	.site-nav__list {
		flex-direction: column;
		align-items: stretch;
		gap: 0;
	}

	.site-nav__list a {
		display: block;
		padding: 0.9em 0.25em;
		font-size: var(--text-m);
		border-bottom: 1px solid var(--color-line);
	}

	/* Evita el scroll de fondo con el panel abierto. */
	body.nav-open {
		overflow: hidden;
	}
}