/**
 * MTCLU Flip Grid – Grid Layout & Card Structure
 * Premium responsive grid with CSS custom properties
 */

/* ─── Base Grid ─────────────────────────────────────────── */
.mtclu-flip-grid {
	--mtclu-cols-desktop: 4;
	--mtclu-cols-laptop: 3;
	--mtclu-cols-tablet: 2;
	--mtclu-cols-mobile: 1;
	--mtclu-gap: 32px;
	--mtclu-radius: 40px;
	--mtclu-height: 520px;
	--mtclu-font: 'Inter', 'Segoe UI', system-ui, sans-serif;

	width: 100%;
	font-family: var(--mtclu-font);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

.mtclu-flip-grid__inner {
	display: grid;
	grid-template-columns: repeat(var(--mtclu-cols-desktop), minmax(0, 1fr));
	gap: var(--mtclu-gap);
	width: 100%;
	min-width: 0;
}

/* ─── Responsive Breakpoints ────────────────────────────── */
@media (max-width: 1280px) {
	.mtclu-flip-grid__inner {
		grid-template-columns: repeat(var(--mtclu-cols-laptop), minmax(0, 1fr));
	}
}

@media (max-width: 1024px) {
	.mtclu-flip-grid__inner {
		grid-template-columns: repeat(var(--mtclu-cols-tablet), minmax(0, 1fr));
	}
}

@media (max-width: 640px) {
	.mtclu-flip-grid__inner {
		grid-template-columns: repeat(var(--mtclu-cols-mobile), minmax(0, 1fr));
	}
}

/* ─── Card Container ────────────────────────────────────── */
.mtclu-flip-card {
	--mtclu-card-radius: var(--mtclu-radius, 40px);
	--mtclu-card-height: var(--mtclu-height, 520px);
	--mtclu-speed: 0.85;
	--mtclu-hover-scale: 1.02;
	--mtclu-hover-zoom: 1.08;
	--mtclu-overlay-opacity: 0.65;
	--mtclu-overlay-color: #000000;
	--mtclu-overlay-gradient: 180deg;
	--mtclu-shadow: 0 24px 60px rgba(10, 31, 68, 0.18);
	--mtclu-hover-shadow: 0 32px 80px rgba(10, 31, 68, 0.28);

	position: relative;
	width: 100%;
	min-width: 0;
	height: var(--mtclu-card-height);
	border-radius: var(--mtclu-card-radius);
	outline: none;
	cursor: pointer;
	transition: box-shadow calc(var(--mtclu-speed) * 1s) cubic-bezier(0.23, 1, 0.32, 1);
	box-shadow: var(--mtclu-shadow);
}

.mtclu-flip-card:focus-visible {
	outline: 2px solid #3b82f6;
	outline-offset: 4px;
}

.mtclu-flip-card:hover,
.mtclu-flip-card.is-flipped,
.mtclu-flip-card:focus-within {
	box-shadow: var(--mtclu-hover-shadow);
}

/* ─── 3D Scene ──────────────────────────────────────────── */
.mtclu-flip-card__scene {
	width: 100%;
	height: 100%;
	perspective: 1400px;
	perspective-origin: 50% 50%;
	border-radius: var(--mtclu-card-radius);
	transform-style: preserve-3d;
	-webkit-transform-style: preserve-3d;
	transition: transform calc(var(--mtclu-speed) * 1s) cubic-bezier(0.23, 1, 0.32, 1);
	will-change: transform;
}

.mtclu-flip-card:hover .mtclu-flip-card__scene,
.mtclu-flip-card.is-flipped .mtclu-flip-card__scene,
.mtclu-flip-card:focus-within .mtclu-flip-card__scene {
	transform: scale(var(--mtclu-hover-scale)) translate3d(0, -4px, 0);
}

.mtclu-flip-card__inner {
	position: relative;
	width: 100%;
	height: 100%;
	transform-style: preserve-3d;
	-webkit-transform-style: preserve-3d;
	transition: transform calc(var(--mtclu-speed) * 1s) cubic-bezier(0.23, 1, 0.32, 1);
	will-change: transform;
	border-radius: var(--mtclu-card-radius);
}

.mtclu-flip-card:hover .mtclu-flip-card__inner,
.mtclu-flip-card.is-flipped .mtclu-flip-card__inner,
.mtclu-flip-card:focus-within .mtclu-flip-card__inner {
	transform: rotateY(180deg);
}

/* ─── Faces ─────────────────────────────────────────────── */
.mtclu-flip-card__face {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	border-radius: var(--mtclu-card-radius);
	backface-visibility: hidden;
	-webkit-backface-visibility: hidden;
	overflow: hidden;
}

.mtclu-flip-card__face--front {
	transform: rotateY(0deg) translateZ(1px);
	-webkit-transform: rotateY(0deg) translateZ(1px);
	z-index: 2;
}

.mtclu-flip-card__face--back {
	transform: rotateY(180deg) translateZ(1px);
	-webkit-transform: rotateY(180deg) translateZ(1px);
	display: flex;
	flex-direction: column;
	z-index: 1;
}

/* ─── Front Media ───────────────────────────────────────── */
.mtclu-flip-card__media {
	position: absolute;
	inset: 0;
	overflow: hidden;
	border-radius: var(--mtclu-card-radius);
}

.mtclu-flip-card__image {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center;
	display: block;
	transform: scale(1) translate3d(0, 0, 0);
	transition: transform calc(var(--mtclu-speed) * 1.2s) cubic-bezier(0.23, 1, 0.32, 1);
	will-change: transform;
}

.mtclu-flip-card:hover .mtclu-flip-card__image,
.mtclu-flip-card.is-flipped .mtclu-flip-card__image {
	transform: scale(var(--mtclu-hover-zoom)) translate3d(0, 0, 0);
}

.mtclu-flip-card__placeholder {
	width: 100%;
	height: 100%;
	background: linear-gradient(135deg, #1e3a5f 0%, #0a1f44 50%, #162d5a 100%);
}

/* Cinematic gradient overlay (rgba fallback + color-mix progresivo) */
.mtclu-flip-card__overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(
		var(--mtclu-overlay-gradient),
		transparent 0%,
		transparent 35%,
		rgba(0, 0, 0, calc(var(--mtclu-overlay-opacity) * 0.4)) 60%,
		rgba(0, 0, 0, var(--mtclu-overlay-opacity)) 100%
	);
	pointer-events: none;
	z-index: 1;
}

@supports (background: color-mix(in srgb, #000 50%, transparent)) {
	.mtclu-flip-card__overlay {
		background: linear-gradient(
			var(--mtclu-overlay-gradient),
			transparent 0%,
			transparent 35%,
			color-mix(in srgb, var(--mtclu-overlay-color) calc(var(--mtclu-overlay-opacity) * 40%), transparent) 60%,
			color-mix(in srgb, var(--mtclu-overlay-color) calc(var(--mtclu-overlay-opacity) * 100%), transparent) 100%
		);
	}
}

/* ─── Front Content ─────────────────────────────────────── */
.mtclu-flip-card__front-content {
	position: absolute;
	inset: 0;
	z-index: 2;
	display: flex;
	flex-direction: column;
	justify-content: flex-end;
	padding: 32px 28px;
	pointer-events: none;
}

.mtclu-flip-card__front-content--left {
	align-items: flex-start;
	text-align: left;
}

.mtclu-flip-card__front-content--center {
	align-items: center;
	text-align: center;
}

.mtclu-flip-card__front-content--right {
	align-items: flex-end;
	text-align: right;
}

.mtclu-flip-card__title {
	margin: 0 0 8px;
	width: 100%;
	text-align: center;
	text-transform: var(--mtclu-title-transform, uppercase);
	line-height: 1.2;
	letter-spacing: 0.04em;
	text-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
}

.elementor .mtclu-flip-card__title,
.elementor-widget-shortcode .mtclu-flip-card__title {
	text-transform: var(--mtclu-title-transform, uppercase);
}

.mtclu-flip-card__subtitle {
	margin: 0;
	line-height: 1.5;
	text-shadow: 0 1px 12px rgba(0, 0, 0, 0.3);
}

/* ─── Back Content ──────────────────────────────────────── */
.mtclu-flip-card__face--back {
	justify-content: center;
}

.mtclu-flip-card__face--v-top {
	justify-content: flex-start;
}

.mtclu-flip-card__face--v-center {
	justify-content: center;
}

.mtclu-flip-card__face--v-bottom {
	justify-content: flex-end;
}

.mtclu-flip-card__back-content {
	display: flex;
	flex-direction: column;
	gap: 20px;
	width: 100%;
	opacity: 1;
	transform: translate3d(0, 10px, 0);
	transition: transform calc(var(--mtclu-speed) * 0.5s) cubic-bezier(0.23, 1, 0.32, 1) 0.2s;
}

.mtclu-flip-card:hover .mtclu-flip-card__back-content,
.mtclu-flip-card.is-flipped .mtclu-flip-card__back-content,
.mtclu-flip-card:focus-within .mtclu-flip-card__back-content {
	transform: translate3d(0, 0, 0);
}

.mtclu-flip-card__face--align-left .mtclu-flip-card__back-content {
	align-items: flex-start;
	text-align: left;
}

.mtclu-flip-card__face--align-center .mtclu-flip-card__back-content {
	align-items: center;
	text-align: center;
}

.mtclu-flip-card__face--align-right .mtclu-flip-card__back-content {
	align-items: flex-end;
	text-align: right;
}

.mtclu-flip-card__back-title {
	margin: 0;
	line-height: 1.25;
	letter-spacing: -0.02em;
}

.mtclu-flip-card__description {
	line-height: 1.65;
}

.mtclu-flip-card__description p {
	margin: 0 0 0.75em;
}

.mtclu-flip-card__description p:last-child {
	margin-bottom: 0;
}

/* ─── CTA Button ────────────────────────────────────────── */
.mtclu-flip-card__cta {
	--mtclu-btn-bg: #0a1f44;
	--mtclu-btn-hover: #162d5a;
	--mtclu-btn-color: #ffffff;
	--mtclu-btn-radius: 10px;
	--mtclu-btn-px: 28px;
	--mtclu-btn-py: 14px;
	--mtclu-btn-size: 15px;

	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: var(--mtclu-btn-py) var(--mtclu-btn-px);
	background: var(--mtclu-btn-bg);
	color: var(--mtclu-btn-color);
	font-size: var(--mtclu-btn-size);
	font-weight: 600;
	text-decoration: none;
	border-radius: var(--mtclu-btn-radius);
	border: none;
	cursor: pointer;
	pointer-events: auto;
	box-shadow: 0 4px 16px rgba(10, 31, 68, 0.25);
	transition:
		background 0.35s cubic-bezier(0.23, 1, 0.32, 1),
		transform 0.35s cubic-bezier(0.23, 1, 0.32, 1),
		box-shadow 0.35s cubic-bezier(0.23, 1, 0.32, 1);
	will-change: transform;
}

.mtclu-flip-card__cta:hover,
.mtclu-flip-card__cta:focus-visible {
	background: var(--mtclu-btn-hover);
	transform: translate3d(2px, -1px, 0);
	box-shadow: 0 8px 24px rgba(10, 31, 68, 0.35);
	color: var(--mtclu-btn-color);
	outline: none;
}

.mtclu-flip-card__cta-icon {
	transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1);
	flex-shrink: 0;
}

.mtclu-flip-card__cta:hover .mtclu-flip-card__cta-icon {
	transform: translate3d(4px, 0, 0);
}

/* ─── Empty State ───────────────────────────────────────── */
.mtclu-empty {
	padding: 2rem;
	text-align: center;
	color: #64748b;
	font-style: italic;
}

/* ─── Elementor & contenedores con transform ────────────── */
.mtclu-flip-grid-wrap {
	display: block;
	width: 100%;
	max-width: 100%;
	min-width: 0;
	box-sizing: border-box;
}

.elementor-widget-shortcode:has(.mtclu-flip-grid),
.elementor-element.elementor-widget-shortcode:has(.mtclu-flip-grid) {
	width: 100% !important;
	max-width: 100% !important;
	flex: 1 1 100% !important;
	align-self: stretch !important;
	min-width: 0 !important;
}

.elementor-widget-shortcode .elementor-shortcode,
.elementor-widget-mtclu_flip_grid .mtclu-flip-grid,
.elementor-element .mtclu-flip-grid {
	display: block;
	width: 100%;
	max-width: 100%;
	min-width: 0;
	position: relative;
	z-index: 1;
	box-sizing: border-box;
}

.mtclu-flip-grid-host,
.elementor-widget-shortcode:has(.mtclu-flip-grid),
.elementor-element:has(.mtclu-flip-grid) {
	overflow: visible !important;
}

/* En Elementor el 3D suele fallar: flip por opacidad sin esperar al JS */
.elementor .mtclu-flip-card .mtclu-flip-card__inner {
	transform: none !important;
	transform-style: flat;
}

.elementor .mtclu-flip-card .mtclu-flip-card__face {
	backface-visibility: visible;
	-webkit-backface-visibility: visible;
}

.elementor .mtclu-flip-card .mtclu-flip-card__face--front {
	transform: none;
	opacity: 1;
	visibility: visible;
}

.elementor .mtclu-flip-card .mtclu-flip-card__face--back {
	transform: none;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
}

.elementor .mtclu-flip-card:hover .mtclu-flip-card__face--front,
.elementor .mtclu-flip-card.is-flipped .mtclu-flip-card__face--front,
.elementor .mtclu-flip-card:focus-within .mtclu-flip-card__face--front {
	opacity: 0;
	visibility: hidden;
}

.elementor .mtclu-flip-card:hover .mtclu-flip-card__face--back,
.elementor .mtclu-flip-card.is-flipped .mtclu-flip-card__face--back,
.elementor .mtclu-flip-card:focus-within .mtclu-flip-card__face--back {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	z-index: 3;
}

.elementor .mtclu-flip-card:hover .mtclu-flip-card__inner,
.elementor .mtclu-flip-card.is-flipped .mtclu-flip-card__inner,
.elementor .mtclu-flip-card:focus-within .mtclu-flip-card__inner {
	transform: none !important;
}

.mtclu-flip-card--glow {
	isolation: isolate;
}

.mtclu-flip-card__scene {
	position: relative;
	z-index: 1;
}

/* Fallback sin 3D cuando Elementor aplana el contexto (caras en blanco) */
.mtclu-flip-card--flat .mtclu-flip-card__inner {
	transform: none !important;
	transform-style: flat;
}

.mtclu-flip-card--flat .mtclu-flip-card__face {
	backface-visibility: visible;
	-webkit-backface-visibility: visible;
	transition:
		opacity calc(var(--mtclu-speed) * 1s) cubic-bezier(0.23, 1, 0.32, 1),
		visibility calc(var(--mtclu-speed) * 1s) cubic-bezier(0.23, 1, 0.32, 1),
		transform calc(var(--mtclu-speed) * 1s) cubic-bezier(0.23, 1, 0.32, 1);
}

.mtclu-flip-card--flat .mtclu-flip-card__face--front {
	transform: none;
	opacity: 1;
	visibility: visible;
}

.mtclu-flip-card--flat .mtclu-flip-card__face--back {
	transform: none;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
}

.mtclu-flip-card--flat:hover .mtclu-flip-card__face--front,
.mtclu-flip-card--flat.is-flipped .mtclu-flip-card__face--front,
.mtclu-flip-card--flat:focus-within .mtclu-flip-card__face--front {
	opacity: 0;
	visibility: hidden;
}

.mtclu-flip-card--flat:hover .mtclu-flip-card__face--back,
.mtclu-flip-card--flat.is-flipped .mtclu-flip-card__face--back,
.mtclu-flip-card--flat:focus-within .mtclu-flip-card__face--back {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	z-index: 3;
}

.mtclu-flip-card--flat:hover .mtclu-flip-card__inner,
.mtclu-flip-card--flat.is-flipped .mtclu-flip-card__inner,
.mtclu-flip-card--flat:focus-within .mtclu-flip-card__inner {
	transform: none !important;
}

/* ─── Reduced Motion ────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
	.mtclu-flip-card,
	.mtclu-flip-card__inner,
	.mtclu-flip-card__image,
	.mtclu-flip-card__back-content,
	.mtclu-flip-card__cta {
		transition-duration: 0.01ms !important;
	}

	.mtclu-flip-card:hover .mtclu-flip-card__inner,
	.mtclu-flip-card.is-flipped .mtclu-flip-card__inner {
		transform: rotateY(180deg);
	}
}