/**
 * Cabecera fija con efecto glass + menú off-canvas para móvil.
 *
 * @package SilviaGarcia
 */

/* Cabecera --------------------------------------------------------------- */

.site-header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	z-index: 100;
	background-color: var(--sg-linen-70);

	/*
	 * Filete inferior permanente. Antes solo aparecía al hacer scroll, así que
	 * arriba del todo la cabecera flotaba sin cerrar contra el contenido.
	 * El color se refuerza con .is-scrolled, no se enciende de cero.
	 */
	border-bottom: var(--sg-hairline-light);
	transition: background-color var(--sg-transition), border-color var(--sg-transition),
		box-shadow var(--sg-transition);
}

@supports (backdrop-filter: blur(12px)) or (-webkit-backdrop-filter: blur(12px)) {

	.site-header {
		-webkit-backdrop-filter: blur(12px);
		backdrop-filter: blur(12px);
	}
}

@supports not ((backdrop-filter: blur(12px)) or (-webkit-backdrop-filter: blur(12px))) {

	.site-header {
		background-color: var(--sg-linen);
	}
}

/* Al hacer scroll el header gana contraste (clase añadida por navigation.js). */
.site-header.is-scrolled {
	background-color: var(--sg-linen);
	border-bottom-color: var(--sg-fir-10);
	box-shadow: 0 1px 24px -12px var(--sg-fir-25);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: calc(var(--sg-unit) * 3);
	height: var(--sg-header-height);
}

/* El contenido arranca por debajo de la cabecera fija. */
.site-content {
	padding-top: var(--sg-header-height);
}

/* Marca ------------------------------------------------------------------ */

.site-branding {
	display: flex;
	align-items: center;
	gap: calc(var(--sg-unit) * 2);
	min-width: 0;
}

.site-title {
	margin: 0;
	font-family: var(--sg-font-heading);
	font-size: clamp(1.125rem, 1rem + 0.6vw, var(--sg-headline-md));
	font-weight: var(--sg-heading-weight);
	line-height: 1.1;
	letter-spacing: -0.01em;
}

.site-title a {
	color: var(--sg-fir);
	text-decoration: none;
	transition: opacity var(--sg-transition);
}

.site-title a:hover,
.site-title a:focus {
	color: var(--sg-fir);
	opacity: 0.7;
}

.site-description {
	display: none;
}

.custom-logo-link img {
	max-height: calc(var(--sg-header-height) - 32px);
	width: auto;
}

/* Navegación de escritorio ------------------------------------------------ */

.primary-navigation {
	display: none;
}

.primary-navigation ul {
	display: flex;
	align-items: center;
	gap: calc(var(--sg-unit) * 4);
	list-style: none;
	margin: 0;
	padding: 0;
}

.primary-navigation li {
	position: relative;
	margin: 0;
}

.primary-navigation a {
	display: inline-block;
	padding-block: 4px;
	color: var(--sg-nav-link-color);
	font-size: var(--sg-label);
	font-weight: 600;
	letter-spacing: var(--sg-label-tracking);
	line-height: 1.3;
	text-transform: uppercase;
	text-decoration: none;
	border-bottom: 1px solid transparent;
	transition: color var(--sg-transition), border-color var(--sg-transition);
}

.primary-navigation a:hover,
.primary-navigation a:focus {
	color: var(--sg-nav-link-color-hover);
}

/* Página actual */
.primary-navigation .current-menu-item > a,
.primary-navigation .current_page_item > a,
.primary-navigation .current-menu-ancestor > a,
.primary-navigation .current_page_ancestor > a {
	color: var(--sg-nav-link-color);
	border-bottom-color: color-mix(in srgb, var(--sg-nav-link-color) 50%, transparent);
}

/* Submenús */
.primary-navigation ul ul {
	position: absolute;
	top: calc(100% + 12px);
	left: 0;
	z-index: 20;
	display: block;
	flex-direction: column;
	align-items: flex-start;
	gap: 0;
	min-width: 240px;
	padding: calc(var(--sg-unit) * 1.5) 0;
	background-color: var(--sg-linen);
	border: var(--sg-border);
	border-radius: var(--sg-radius-card);
	box-shadow: var(--sg-shadow-soft);
	opacity: 0;
	visibility: hidden;
	transform: translateY(6px);
	transition: opacity var(--sg-transition), transform var(--sg-transition), visibility var(--sg-transition);
}

.primary-navigation li:hover > ul,
.primary-navigation li:focus-within > ul {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.primary-navigation ul ul li {
	width: 100%;
}

.primary-navigation ul ul a {
	display: block;
	width: 100%;
	padding: calc(var(--sg-unit) * 1.25) calc(var(--sg-unit) * 2.5);
	border-bottom: 0;
}

.primary-navigation ul ul a:hover {
	background-color: var(--sg-sand);
}

.primary-navigation ul ul ul {
	top: 0;
	left: 100%;
}

/* CTA de cabecera --------------------------------------------------------- */

.site-header__cta {
	display: none;
}

.header-cta,
.header-cta:visited {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.75rem 1.75rem;
	background-color: var(--sg-header-cta-bg);
	border: 1px solid var(--sg-header-cta-bg);
	border-radius: var(--sg-radius-button);
	color: var(--sg-header-cta-text);
	font-size: var(--sg-button-size);
	font-weight: 500;
	line-height: 1.25;
	text-decoration: none;
	white-space: nowrap;
	transition: background-color var(--sg-transition), border-color var(--sg-transition),
		color var(--sg-transition), transform var(--sg-transition);
}

.header-cta:hover,
.header-cta:focus {
	background-color: var(--sg-header-cta-bg-hover);
	border-color: var(--sg-header-cta-bg-hover);
	color: var(--sg-header-cta-text-hover);
	transform: translateY(-2px);
}

/* Botón hamburguesa ------------------------------------------------------- */

.menu-toggle {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	padding: 0;
	background: none;
	border: 0;
	border-radius: var(--sg-radius);
	color: var(--sg-fir);
	cursor: pointer;
}

.menu-toggle:hover,
.menu-toggle:focus {
	background-color: var(--sg-fir-05);
	color: var(--sg-fir);
	transform: none;
}

.menu-toggle svg {
	width: 24px;
	height: 24px;
}

/* Menú off-canvas --------------------------------------------------------- */

.offcanvas {
	position: fixed;
	inset: 0;
	z-index: 200;
	visibility: hidden;
	pointer-events: none;
}

.offcanvas.is-open {
	visibility: visible;
	pointer-events: auto;
}

.offcanvas__overlay {
	position: absolute;
	inset: 0;
	background-color: var(--sg-fir-35);
	opacity: 0;
	transition: opacity var(--sg-transition);
}

.offcanvas.is-open .offcanvas__overlay {
	opacity: 1;
}

.offcanvas__panel {
	position: absolute;
	top: 0;
	right: 0;
	display: flex;
	flex-direction: column;
	width: min(88vw, 400px);
	height: 100%;
	padding: calc(var(--sg-unit) * 3) calc(var(--sg-unit) * 4) calc(var(--sg-unit) * 5);
	background-color: var(--sg-linen);
	box-shadow: -20px 0 60px -30px var(--sg-fir-50);
	overflow-y: auto;
	overscroll-behavior: contain;
	transform: translateX(100%);
	transition: transform var(--sg-transition);
}

.offcanvas.is-open .offcanvas__panel {
	transform: translateX(0);
}

.offcanvas__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: calc(var(--sg-header-height) - 24px);
	margin-bottom: calc(var(--sg-unit) * 3);
}

.offcanvas__title {
	font-family: var(--sg-font-heading);
	font-weight: var(--sg-heading-weight);
	font-size: 1.25rem;
	color: var(--sg-fir);
}

.offcanvas__close {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	padding: 0;
	background: none;
	border: 0;
	color: var(--sg-fir);
	cursor: pointer;
}

.offcanvas__close:hover,
.offcanvas__close:focus {
	background-color: var(--sg-fir-05);
	color: var(--sg-clay);
	transform: none;
}

.offcanvas__close svg {
	width: 24px;
	height: 24px;
}

.offcanvas__nav ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

.offcanvas__nav li {
	margin: 0;
	border-bottom: 1px solid var(--sg-fir-05);
}

.offcanvas__nav a {
	display: block;
	padding: calc(var(--sg-unit) * 2) 0;
	color: var(--sg-fir);
	font-family: var(--sg-font-heading);
	font-weight: var(--sg-heading-weight);
	font-size: 1.375rem;
	line-height: 1.3;
	text-decoration: none;
	transition: color var(--sg-transition), padding-left var(--sg-transition);
}

.offcanvas__nav a:hover,
.offcanvas__nav a:focus {
	color: var(--sg-clay);
	padding-left: calc(var(--sg-unit));
}

.offcanvas__nav .current-menu-item > a,
.offcanvas__nav .current_page_item > a {
	color: var(--sg-clay);
}

/* Submenús dentro del off-canvas: sangrados, siempre visibles. */
.offcanvas__nav ul ul {
	padding-left: calc(var(--sg-unit) * 2);
	padding-bottom: calc(var(--sg-unit));
}

.offcanvas__nav ul ul li {
	border-bottom: 0;
}

.offcanvas__nav ul ul a {
	padding-block: calc(var(--sg-unit));
	font-family: var(--sg-font-body);
	font-size: var(--sg-body-md);
	color: var(--sg-fir-70);
}

.offcanvas__footer {
	margin-top: auto;
	padding-top: calc(var(--sg-unit) * 4);
}

.offcanvas__footer .header-cta {
	width: 100%;
}

/* Bloqueo del scroll del documento mientras el panel está abierto. */
body.has-offcanvas-open {
	overflow: hidden;
}

/* Escritorio -------------------------------------------------------------- */

@media (min-width: 992px) {

	.primary-navigation,
	.site-header__cta {
		display: block;
	}

	.menu-toggle {
		display: none;
	}

	.offcanvas {
		display: none;
	}
}