/*! KZMentor Header — app-style modern, responsive PC/tablet/mobile */

/* ==========================================================
   1. Tokens locales (heredan del crítico, con overrides)
   ========================================================== */
.kz-header {
	--kz-header-bg: var(--kz-header-bg, var(--kz-bg, #ffffff));
	--kz-header-text: var(--kz-header-text, var(--kz-text, #0a0a0a));
	--kz-header-muted: var(--kz-header-muted, var(--kz-muted, #666));
	--kz-header-border: var(--kz-header-border, var(--kz-border, #e5e7eb));
	--kz-header-accent: var(--kz-header-accent, var(--kze-accent, #6366f1));
	--kz-header-h: 4rem;
	--kz-header-h-shrink: 3.25rem;
	--kz-header-radius: 0.75rem;
	--kz-header-blur: 16px;
	--kz-header-shadow: 0 6px 24px rgba(0,0,0,.06);
	--kz-header-z: 1100;
	--kz-header-bg-alpha: 0.92;
}

@media (prefers-color-scheme: dark) {
	.kz-header {
		--kz-header-shadow: 0 6px 24px rgba(0,0,0,.32);
	}
}

/* ==========================================================
   2. Contenedor principal del header
   ========================================================== */
.kz-header {
	position: relative;
	z-index: var(--kz-header-z);
	color: var(--kz-header-text);
	background: color-mix(in srgb, var(--kz-header-bg) calc(var(--kz-header-bg-alpha) * 100%), transparent);
	-webkit-backdrop-filter: blur(var(--kz-header-blur)) saturate(160%);
	backdrop-filter: blur(var(--kz-header-blur)) saturate(160%);
	border-bottom: 1px solid var(--kz-header-border);
	transition: background .25s cubic-bezier(.4,0,.2,1),
				box-shadow .25s cubic-bezier(.4,0,.2,1);
	will-change: background;
}

.kz-header-sticky .kz-header {
	position: sticky;
	top: 0;
	min-height: var(--kz-header-h-shrink);
}

.kz-header-transparent .kz-header:not([data-kz-scrolled]) {
	background: transparent;
	border-bottom-color: transparent;
	-webkit-backdrop-filter: none;
	backdrop-filter: none;
}

.kz-header[data-kz-scrolled] {
	box-shadow: var(--kz-header-shadow);
}

/* ==========================================================
   Overlay — el header flota sobre la primera sección
   ========================================================== */
.kz-header-overlay .kz-header {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
}
.kz-header-overlay.kz-header-sticky .kz-header {
	position: fixed;
}
/* Compensa la admin bar de WordPress para usuarios logueados */
.admin-bar.kz-header-overlay .kz-header {
	top: 32px;
}
@media screen and (max-width: 782px) {
	.admin-bar.kz-header-overlay .kz-header {
		top: 46px;
	}
}

.kz-header-shrink .kz-header[data-kz-scrolled] .kz-header__inner {
	height: var(--kz-header-h-shrink);
}

.kz-header__inner {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	height: var(--kz-header-h);
	max-width: var(--kz-container, 1280px);
	margin-inline: auto;
	padding-inline: clamp(0.75rem, 2vw, 1.75rem);
	transition: height .25s cubic-bezier(.4,0,.2,1);
}
.kz-header__brand {
	flex: 0 1 auto;
	min-width: 0;
	margin-right: auto; /* empuja el resto al final */
}
.kz-header__nav { flex: 0 0 auto; }
.kz-header__actions { flex: 0 0 auto; margin-left: auto; }

/* ==========================================================
   3. Hamburger
   ========================================================== */
.kz-header__hamburger {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.5rem;
	height: 2.5rem;
	padding: 0;
	background: transparent;
	border: 0;
	border-radius: 0.625rem;
	color: inherit;
	cursor: pointer;
	-webkit-tap-highlight-color: transparent;
	transition: background .2s;
}
.kz-header__hamburger:hover { background: color-mix(in srgb, var(--kz-header-text) 8%, transparent); }
.kz-header__hamburger:focus-visible { outline: 2px solid var(--kz-header-accent); outline-offset: 2px; }

.kz-hamburger {
	display: inline-block;
	position: relative;
	width: 1.25rem;
	height: 0.875rem;
}
.kz-hamburger span {
	position: absolute;
	left: 0;
	width: 100%;
	height: 2px;
	background: currentColor;
	border-radius: 2px;
	transition: transform .3s cubic-bezier(.4,0,.2,1), opacity .2s, top .3s;
}
.kz-hamburger span:nth-child(1) { top: 0; }
.kz-hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.kz-hamburger span:nth-child(3) { top: 100%; transform: translateY(-100%); }

.kz-header__hamburger[aria-expanded="true"] .kz-hamburger span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.kz-header__hamburger[aria-expanded="true"] .kz-hamburger span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.kz-header__hamburger[aria-expanded="true"] .kz-hamburger span:nth-child(3) { top: 50%; transform: translateY(-50%) rotate(-45deg); }

/* ==========================================================
   4. Brand / logo
   ========================================================== */
.kz-header__brand {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	color: inherit;
	text-decoration: none !important;
	font-weight: 700;
	font-size: 1rem;
	min-width: 0;
}
.kz-header__brand .kz-header__logo,
.kz-header__brand img {
	max-height: 2.25rem;
	width: auto;
	display: block;
}
.kz-header__title {
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

/* ==========================================================
   5. Inline nav (desktop) — oculta en móvil
   ========================================================== */
.kz-header__nav {
	display: none;
	min-width: 0;
}
.kz-header__menu {
	display: flex;
	gap: 0.25rem;
	list-style: none;
	margin: 0;
	padding: 0;
	align-items: center;
}
.kz-header__menu > li { position: relative; }
.kz-header__menu a {
	display: inline-flex;
	align-items: center;
	padding: 0.5rem 0.875rem;
	color: var(--kz-header-text);
	text-decoration: none !important;
	font-size: 0.9375rem;
	font-weight: 500;
	border-radius: 0.625rem;
	transition: background .2s, color .2s;
	position: relative;
}
.kz-header__menu a::after {
	content: '';
	position: absolute;
	left: 0.875rem;
	right: 0.875rem;
	bottom: 0.25rem;
	height: 2px;
	border-radius: 2px;
	background: var(--kz-header-accent);
	transform: scaleX(0);
	transform-origin: center;
	transition: transform .25s cubic-bezier(.4,0,.2,1);
}
.kz-header__menu a:hover::after,
.kz-header__menu .current-menu-item > a::after,
.kz-header__menu .current-menu-ancestor > a::after {
	transform: scaleX(1);
}
.kz-header__menu a:hover { color: var(--kz-header-accent); }

/* dropdown lvl 2 */
.kz-header__menu .sub-menu {
	position: absolute;
	top: calc(100% + 0.5rem);
	left: 0;
	min-width: 14rem;
	padding: 0.5rem;
	margin: 0;
	list-style: none;
	background: var(--kz-header-bg);
	border: 1px solid var(--kz-header-border);
	border-radius: 0.875rem;
	box-shadow: var(--kz-header-shadow);
	display: flex;
	flex-direction: column;
	gap: 0.125rem;
	opacity: 0;
	visibility: hidden;
	transform: translateY(-4px);
	transition: opacity .2s, transform .2s, visibility .2s;
	z-index: 2;
}
.kz-header__menu li:hover > .sub-menu,
.kz-header__menu li:focus-within > .sub-menu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}
.kz-header__menu .sub-menu a {
	width: 100%;
	font-size: 0.875rem;
}
.kz-header__menu .sub-menu a::after { display: none; }

/* ==========================================================
   6. Actions cluster
   ========================================================== */
.kz-header__actions {
	display: inline-flex;
	align-items: center;
	gap: 0.25rem;
}
.kz-header__icon-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	position: relative;
	width: 2.5rem;
	height: 2.5rem;
	background: transparent;
	border: 0;
	border-radius: 0.625rem;
	color: inherit;
	cursor: pointer;
	-webkit-tap-highlight-color: transparent;
	transition: background .2s, transform .2s, box-shadow .2s;
}
.kz-header__icon-btn:hover {
	background: color-mix(in srgb, var(--kz-header-text) 8%, transparent);
	transform: translateY(-1px);
}
.kz-header__icon-btn:active { transform: translateY(0); }
.kz-header__icon-btn:focus-visible { outline: 2px solid var(--kz-header-accent); outline-offset: 2px; }

/* En modo transparente (header sobre hero), el carrito gana un chip de
   backdrop semi-transparente para legibilidad sobre cualquier imagen. */
.kz-header-transparent .kz-header:not([data-kz-scrolled]) .kz-header__cart {
	background: color-mix(in srgb, var(--kz-header-bg, #fff) 35%, transparent);
	-webkit-backdrop-filter: blur(10px) saturate(160%);
	backdrop-filter: blur(10px) saturate(160%);
	box-shadow: 0 2px 12px rgba(0,0,0,.12);
}
.kz-header-transparent .kz-header:not([data-kz-scrolled]) .kz-header__cart--loaded {
	background: var(--kz-header-accent);
	color: var(--kz-auto-on-accent, #fff);
	box-shadow: 0 4px 16px color-mix(in srgb, var(--kz-header-accent) 40%, transparent);
}

/* ----------------------------------------
   Cart icon + count animado (estilo zip ref)
   ---------------------------------------- */
.kz-header__cart {
	position: relative;
	overflow: visible;
}
.kz-header__cart-icon {
	position: relative;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 1.25rem;
	height: 1.25rem;
	font-size: 1.0625rem;
	transition: transform .35s cubic-bezier(.34,1.56,.64,1), color .25s ease;
}
.kz-header__cart-icon i { line-height: 1; }

/* Swap empty → loaded con bounce */
.kz-header__cart--loaded .kz-header__cart-icon {
	color: var(--kz-header-accent);
	animation: kz-cart-pop .55s cubic-bezier(.34,1.56,.64,1) both;
}
@keyframes kz-cart-pop {
	0%   { transform: scale(.4) rotate(-12deg); opacity: 0; }
	60%  { transform: scale(1.18) rotate(4deg); opacity: 1; }
	100% { transform: scale(1)    rotate(0); }
}

/* Badge contador — fixed positioning */
.kz-header__cart-count {
	position: absolute;
	top: -0.125rem;
	right: -0.125rem;
	min-width: 1.25rem;
	height: 1.25rem;
	padding: 0 0.375rem;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	background: var(--kze-accent, var(--kz-header-accent));
	color: var(--kz-auto-on-accent, #fff);
	font-size: 0.6875rem;
	font-weight: 800;
	letter-spacing: -0.02em;
	border-radius: 999px;
	box-shadow: 0 0 0 2px var(--kz-header-bg), 0 4px 10px color-mix(in srgb, var(--kze-accent) 40%, transparent);
	overflow: hidden;
	pointer-events: none;
	transition: transform .35s cubic-bezier(.34,1.56,.64,1), opacity .2s;
	transform-origin: center;
}
.kz-header__cart-count[hidden] {
	transform: scale(0);
	opacity: 0;
	pointer-events: none;
	display: inline-flex !important;
}

/* Sliding-line effect — el número se atraviesa por dos líneas que cruzan
 * y reaparece al actualizarse. Inspirado en el zip de referencia. */
.kz-header__cart-num {
	position: relative;
	display: inline-block;
	line-height: 1;
	transition: color .28s ease;
}
.kz-header__cart-num::before,
.kz-header__cart-num::after {
	content: '';
	position: absolute;
	left: -50%;
	right: -50%;
	height: 2px;
	background: currentColor;
	opacity: 0;
	pointer-events: none;
}
.kz-header__cart-num::before { top: -2px; }
.kz-header__cart-num::after  { bottom: -2px; }

/* Animación al actualizar — clase añadida brevemente por JS */
.kz-header__cart-count.is-updating .kz-header__cart-num::before,
.kz-header__cart-count.is-updating .kz-header__cart-num::after {
	animation: kz-line-swipe .65s cubic-bezier(.65,.05,.35,1) both;
}
.kz-header__cart-count.is-updating .kz-header__cart-num::after { animation-direction: reverse; }
@keyframes kz-line-swipe {
	0%   { transform: translateY(8px);  opacity: 0; }
	35%  { transform: translateY(0);    opacity: 1; }
	65%  { transform: translateY(0);    opacity: 1; }
	100% { transform: translateY(-8px); opacity: 0; }
}

/* El número en sí hace flip vertical */
.kz-header__cart-count.is-updating .kz-header__cart-num {
	animation: kz-num-flip .65s cubic-bezier(.65,.05,.35,1) both;
}
@keyframes kz-num-flip {
	0%   { transform: translateY(0)    rotateX(0); }
	48%  { transform: translateY(-110%) rotateX(90deg); opacity: 0; }
	52%  { transform: translateY(110%)  rotateX(-90deg); opacity: 0; }
	100% { transform: translateY(0)    rotateX(0); opacity: 1; }
}

/* Pulse del fondo del badge cuando se incrementa */
.kz-header__cart-count.is-updating {
	animation: kz-badge-pulse .65s cubic-bezier(.34,1.56,.64,1) both;
}
@keyframes kz-badge-pulse {
	0%   { transform: scale(1); }
	40%  { transform: scale(1.35); box-shadow: 0 0 0 4px color-mix(in srgb, var(--kze-accent) 30%, transparent), 0 0 0 2px var(--kz-header-bg); }
	100% { transform: scale(1); }
}

.kz-header__cta {
	display: none;
	align-items: center;
	padding: 0.5rem 1rem;
	background: var(--kz-header-accent);
	color: var(--kz-auto-on-accent, #fff) !important;
	font-size: 0.875rem;
	font-weight: 700;
	border-radius: 0.625rem;
	text-decoration: none !important;
	white-space: nowrap;
	transition: filter .2s, transform .2s;
	margin-left: 0.25rem;
}
.kz-header__cta:hover { filter: brightness(1.08); transform: translateY(-1px); }

/* ==========================================================
   7. Search dropdown
   ========================================================== */
.kz-header__search {
	overflow: hidden;
	max-height: 0;
	border-top: 1px solid transparent;
	transition: max-height .3s cubic-bezier(.4,0,.2,1), border-color .2s;
}
.kz-header__search[data-kz-open] {
	max-height: 4.5rem;
	border-top-color: var(--kz-header-border);
}
.kz-header__search form {
	display: flex;
	gap: 0.5rem;
	align-items: center;
	max-width: var(--kz-container, 1280px);
	margin-inline: auto;
	padding: 0.625rem clamp(0.875rem, 2vw, 1.75rem);
}
.kz-header__search input {
	flex: 1;
	min-width: 0;
	padding: 0.625rem 0.875rem;
	border: 1.5px solid var(--kz-header-border);
	border-radius: 0.625rem;
	background: transparent;
	color: var(--kz-header-text);
	font: inherit;
	font-size: 1rem;
	-webkit-appearance: none;
	appearance: none;
}
.kz-header__search input:focus {
	outline: none;
	border-color: var(--kz-header-accent);
	box-shadow: 0 0 0 3px color-mix(in srgb, var(--kz-header-accent) 18%, transparent);
}
.kz-header__search button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.5rem;
	height: 2.5rem;
	background: var(--kz-header-accent);
	color: var(--kz-auto-on-accent, #fff);
	border: 0;
	border-radius: 0.625rem;
	cursor: pointer;
}

/* ==========================================================
   8. Mobile drawer
   ========================================================== */
.kz-drawer-overlay {
	position: fixed;
	inset: 0;
	background: rgba(10,10,16,.5);
	-webkit-backdrop-filter: blur(4px);
	backdrop-filter: blur(4px);
	opacity: 0;
	transition: opacity .3s cubic-bezier(.4,0,.2,1);
	z-index: 1199;
}
.kz-drawer-overlay[data-kz-open] { opacity: 1; }

.kz-header-drawer {
	position: fixed;
	top: 0;
	left: 0;
	bottom: 0;
	width: min(85vw, 22rem);
	z-index: 1200;
	display: flex;
	flex-direction: column;
	background: var(--kz-header-bg);
	color: var(--kz-header-text);
	transform: translateX(-100%);
	transition: transform .35s cubic-bezier(.4,0,.2,1);
	padding-bottom: env(safe-area-inset-bottom, 0);
	box-shadow: 4px 0 32px rgba(0,0,0,.18);
}
.kz-header-drawer[data-kz-open] { transform: translateX(0); }

.kz-header-drawer__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 1rem 1.25rem;
	border-bottom: 1px solid var(--kz-header-border);
	flex-shrink: 0;
}
.kz-header-drawer__brand {
	color: inherit;
	text-decoration: none;
	font-weight: 800;
	font-size: 1.125rem;
}
.kz-header-drawer__close {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.25rem;
	height: 2.25rem;
	background: transparent;
	border: 0;
	border-radius: 0.5rem;
	color: inherit;
	cursor: pointer;
	-webkit-tap-highlight-color: transparent;
}
.kz-header-drawer__close:hover { background: color-mix(in srgb, var(--kz-header-text) 8%, transparent); }

.kz-header-drawer__nav {
	flex: 1;
	overflow-y: auto;
	overscroll-behavior-y: contain;
	-webkit-overflow-scrolling: touch;
	padding: 0.75rem 0.75rem 1.25rem;
}
.kz-header-drawer__menu {
	list-style: none;
	padding: 0;
	margin: 0;
	display: flex;
	flex-direction: column;
	gap: 0.125rem;
}
.kz-header-drawer__menu a {
	display: flex;
	align-items: center;
	padding: 0.875rem 1rem;
	color: var(--kz-header-text);
	text-decoration: none !important;
	font-size: 1rem;
	font-weight: 500;
	border-radius: 0.625rem;
	transition: background .2s, color .2s, transform .2s;
	opacity: 0;
	transform: translateX(-12px);
}
.kz-header-drawer[data-kz-open] .kz-header-drawer__menu a {
	opacity: 1;
	transform: translateX(0);
	transition-delay: calc(var(--kz-i, 0) * 40ms + 80ms);
}
.kz-header-drawer__menu a:hover,
.kz-header-drawer__menu .current-menu-item > a {
	background: color-mix(in srgb, var(--kz-header-accent) 12%, transparent);
	color: var(--kz-header-accent);
}
.kz-header-drawer__menu .sub-menu {
	list-style: none;
	margin: 0.25rem 0 0.5rem 0.75rem;
	padding: 0 0 0 0.75rem;
	border-left: 1.5px solid var(--kz-header-border);
	display: flex;
	flex-direction: column;
	gap: 0.125rem;
}
.kz-header-drawer__menu .sub-menu a { font-size: 0.9375rem; padding: 0.625rem 0.75rem; }
.kz-header-drawer__cta {
	margin: 0 1.25rem 1.25rem;
	padding: 0.875rem;
	text-align: center;
	background: var(--kz-header-accent);
	color: var(--kz-auto-on-accent, #fff) !important;
	font-weight: 700;
	border-radius: 0.75rem;
	text-decoration: none !important;
}

/* ==========================================================
   9. Centered layout variant
   ========================================================== */
.kz-header--centered .kz-header__brand {
	margin-inline: auto;
}
.kz-header--centered .kz-header__nav { display: none; }

/* ==========================================================
   10. Classic layout variant — sin drawer en desktop
   ========================================================== */
.kz-header--classic .kz-header__hamburger { display: none; }

@media (max-width: 959px) {
	.kz-header--classic .kz-header__hamburger { display: inline-flex; }
}

/* ==========================================================
   11. Tablet (≥600px) — añade nav inline parcial
   ========================================================== */
@media (min-width: 600px) {
	.kz-header__inner { gap: 1rem; }
	.kz-header__cta { display: inline-flex; }
}

/* ==========================================================
   12. Desktop (≥960px) — esconde hamburger, muestra nav inline
   ========================================================== */
@media (min-width: 960px) {
	.kz-header { --kz-header-h: 4.5rem; }
	.kz-header--app .kz-header__hamburger,
	.kz-header--centered .kz-header__hamburger {
		display: none;
	}
	.kz-header__nav { display: block; }
	.kz-header-drawer,
	.kz-drawer-overlay { display: none !important; }
}

/* ==========================================================
   13. Reduced motion
   ========================================================== */
@media (prefers-reduced-motion: reduce) {
	.kz-header,
	.kz-header__inner,
	.kz-header-drawer,
	.kz-drawer-overlay,
	.kz-header__menu a::after,
	.kz-header-drawer__menu a {
		transition-duration: 0.01ms !important;
	}
	.kz-header-drawer__menu a {
		opacity: 1 !important;
		transform: none !important;
	}
}