/* =========================================================
   Maqueteo Timeline · maqueteo.com
   Línea de tiempo editorial, responsive y accesible.
   ========================================================= */

.mqt-timeline {
	--mqt-accent: #5b3a8c;
	--mqt-ink: #1b1b22;
	--mqt-paper: #faf7f2;
	--mqt-muted: color-mix(in srgb, var(--mqt-ink) 55%, transparent);
	--mqt-hairline: color-mix(in srgb, var(--mqt-ink) 12%, transparent);
	--mqt-card-bg: #ffffff;
	--mqt-axis-w: 2px;
	--mqt-font-display: "Fraunces", "Iowan Old Style", Georgia, "Times New Roman", serif;
	--mqt-font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

	position: relative;
	max-width: 1100px;
	margin: 0 auto;
	padding: 8px 16px 48px;
	color: var(--mqt-ink);
	background: var(--mqt-paper);
	font-family: var(--mqt-font-body);
	-webkit-font-smoothing: antialiased;
	line-height: 1.6;
	box-sizing: border-box;
}

.mqt-timeline *,
.mqt-timeline *::before,
.mqt-timeline *::after {
	box-sizing: border-box;
}

/* ---------- Navegación / filtros por año ---------- */

.mqt-filters {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	justify-content: center;
	position: sticky;
	top: 0;
	z-index: 6;
	padding: 16px 0;
	margin-bottom: 8px;
	background: linear-gradient(var(--mqt-paper) 70%, transparent);
}

.mqt-filter {
	appearance: none;
	border: 1px solid var(--mqt-hairline);
	background: transparent;
	color: var(--mqt-muted);
	font-family: var(--mqt-font-body);
	font-size: 13px;
	font-weight: 500;
	letter-spacing: 0.04em;
	padding: 7px 16px;
	border-radius: 999px;
	cursor: pointer;
	transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.mqt-filter:hover {
	color: var(--mqt-ink);
	border-color: var(--mqt-accent);
}

.mqt-filter.is-active {
	color: #fff;
	background: var(--mqt-accent);
	border-color: var(--mqt-accent);
}

.mqt-filter:focus-visible {
	outline: 2px solid var(--mqt-accent);
	outline-offset: 2px;
}

/* ---------- Eje y pista ---------- */

.mqt-track {
	position: relative;
	padding: 24px 0;
}

.mqt-axis {
	position: absolute;
	top: 0;
	bottom: 0;
	left: 50%;
	width: var(--mqt-axis-w);
	transform: translateX(-50%);
	background: linear-gradient(
		to bottom,
		transparent 0,
		var(--mqt-hairline) 6%,
		var(--mqt-hairline) 94%,
		transparent 100%
	);
}

/* ---------- Marcador de año (elemento distintivo) ---------- */

.mqt-year-marker {
	position: relative;
	z-index: 3;
	display: flex;
	justify-content: center;
	margin: 8px 0 26px;
}

.mqt-year-num {
	font-family: var(--mqt-font-display);
	font-weight: 600;
	font-size: clamp(1.7rem, 4vw, 2.6rem);
	line-height: 1;
	letter-spacing: -0.01em;
	color: var(--mqt-ink);
	background: var(--mqt-paper);
	padding: 4px 22px;
	position: relative;
}

.mqt-year-num::before,
.mqt-year-num::after {
	content: "";
	position: absolute;
	top: 50%;
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: var(--mqt-accent);
	transform: translateY(-50%);
}

.mqt-year-num::before { left: -3px; }
.mqt-year-num::after  { right: -3px; }

.mqt-year-group:first-of-type .mqt-year-marker {
	margin-top: 0;
}

/* ---------- Hito ---------- */

.mqt-item {
	position: relative;
	width: 50%;
	padding: 0 44px;
	margin: 0 0 40px auto; /* impares a la derecha por defecto en alterno */
}

/* nodo sobre el eje */
.mqt-node {
	position: absolute;
	top: 26px;
	width: 15px;
	height: 15px;
	border-radius: 50%;
	background: var(--mqt-paper);
	border: var(--mqt-axis-w) solid var(--mqt-accent);
	z-index: 4;
}

/* ----- LAYOUT ALTERNO (escritorio) ----- */

.mqt-layout-alterno .mqt-item:nth-of-type(odd) {
	margin-left: 0;
	margin-right: auto;
	text-align: right;
}
.mqt-layout-alterno .mqt-item:nth-of-type(odd) .mqt-node {
	right: calc(-7.5px - var(--mqt-axis-w) / 2);
}
.mqt-layout-alterno .mqt-item:nth-of-type(odd) .mqt-card {
	text-align: left;
}
.mqt-layout-alterno .mqt-item:nth-of-type(even) {
	margin-left: auto;
	margin-right: 0;
}
.mqt-layout-alterno .mqt-item:nth-of-type(even) .mqt-node {
	left: calc(-7.5px - var(--mqt-axis-w) / 2);
}

/* ----- LAYOUT IZQUIERDA ----- */

.mqt-layout-izquierda .mqt-axis { left: 22px; }
.mqt-layout-izquierda .mqt-year-marker { justify-content: flex-start; padding-left: 0; }
.mqt-layout-izquierda .mqt-item {
	width: 100%;
	margin: 0 0 36px 0;
	padding: 0 0 0 64px;
}
.mqt-layout-izquierda .mqt-node { left: 15.5px; }

/* ---------- Tarjeta ---------- */

.mqt-card {
	background: var(--mqt-card-bg);
	border: 1px solid var(--mqt-hairline);
	border-radius: 6px;
	overflow: hidden;
	box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 12px 28px -18px rgba(0, 0, 0, 0.25);
	transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.mqt-card:hover {
	transform: translateY(-3px);
	box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 22px 40px -20px rgba(0, 0, 0, 0.32);
}

/* ---------- Media ---------- */

.mqt-media {
	position: relative;
	margin: 0;
	aspect-ratio: 16 / 10;
	background: color-mix(in srgb, var(--mqt-ink) 6%, var(--mqt-paper));
	overflow: hidden;
}

.mqt-media img,
.mqt-media iframe,
.mqt-media video {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	border: 0;
}

.mqt-video { cursor: pointer; }

.mqt-poster {
	transition: transform 0.6s ease, filter 0.4s ease;
}

.mqt-video:hover .mqt-poster {
	transform: scale(1.04);
	filter: brightness(0.92);
}

.mqt-play {
	position: absolute;
	inset: 0;
	margin: auto;
	width: 64px;
	height: 64px;
	border-radius: 50%;
	border: none;
	display: grid;
	place-items: center;
	color: #fff;
	background: color-mix(in srgb, var(--mqt-accent) 92%, black);
	box-shadow: 0 8px 24px -6px rgba(0, 0, 0, 0.5);
	cursor: pointer;
	transition: transform 0.25s ease, background 0.25s ease;
}

.mqt-play svg { margin-left: 3px; }

.mqt-video:hover .mqt-play {
	transform: scale(1.08);
	background: var(--mqt-accent);
}

.mqt-play:focus-visible {
	outline: 3px solid #fff;
	outline-offset: 2px;
}

/* ---------- Cuerpo de la tarjeta ---------- */

.mqt-body {
	padding: 20px 22px 24px;
}

.mqt-date {
	margin: 0 0 8px;
	display: flex;
	flex-direction: column;
	gap: 2px;
}

.mqt-month {
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--mqt-accent);
}

.mqt-fulldate {
	font-size: 12px;
	color: var(--mqt-muted);
	letter-spacing: 0.02em;
}

.mqt-title {
	font-family: var(--mqt-font-display);
	font-weight: 600;
	font-size: clamp(1.15rem, 2.4vw, 1.5rem);
	line-height: 1.2;
	letter-spacing: -0.01em;
	margin: 0 0 10px;
	color: var(--mqt-ink);
}

.mqt-text {
	font-size: 15px;
	color: color-mix(in srgb, var(--mqt-ink) 80%, transparent);
}

.mqt-text p { margin: 0 0 0.7em; }
.mqt-text p:last-child { margin-bottom: 0; }

/* ---------- Crédito y vacío ---------- */

.mqt-credit {
	text-align: center;
	font-size: 12px;
	letter-spacing: 0.04em;
	color: var(--mqt-muted);
	margin: 32px 0 0;
}

.mqt-credit a {
	color: var(--mqt-accent);
	text-decoration: none;
	font-weight: 600;
}
.mqt-credit a:hover { text-decoration: underline; }

.mqt-empty {
	text-align: center;
	color: #777;
	padding: 40px 0;
	font-style: italic;
}

/* ---------- Animación de aparición ---------- */

.mqt-item {
	opacity: 0;
	transform: translateY(26px);
	transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.mqt-layout-alterno .mqt-item:nth-of-type(odd) { transform: translateY(26px) translateX(-18px); }
.mqt-layout-alterno .mqt-item:nth-of-type(even) { transform: translateY(26px) translateX(18px); }

.mqt-item.is-visible {
	opacity: 1;
	transform: translateY(0) translateX(0);
}

.mqt-item.is-filtered-out { display: none; }
.mqt-year-group.is-filtered-out { display: none; }

/* ---------- Responsive ---------- */

@media (max-width: 782px) {
	.mqt-axis { left: 20px; }

	.mqt-year-marker { justify-content: flex-start; }
	.mqt-year-num { padding-left: 4px; }
	.mqt-year-num::before { display: none; }
	.mqt-year-num::after { display: none; }

	.mqt-item,
	.mqt-layout-alterno .mqt-item:nth-of-type(odd),
	.mqt-layout-alterno .mqt-item:nth-of-type(even) {
		width: 100%;
		margin: 0 0 30px 0;
		padding: 0 0 0 58px;
		text-align: left;
	}

	.mqt-layout-alterno .mqt-item:nth-of-type(odd) .mqt-node,
	.mqt-layout-alterno .mqt-item:nth-of-type(even) .mqt-node,
	.mqt-node {
		left: 13.5px;
		right: auto;
	}

	.mqt-layout-alterno .mqt-item:nth-of-type(odd) { transform: translateY(22px); }
	.mqt-layout-alterno .mqt-item:nth-of-type(even) { transform: translateY(22px); }
}

@media (max-width: 480px) {
	.mqt-timeline { padding: 4px 10px 36px; }
	.mqt-body { padding: 16px 16px 18px; }
}

/* ---------- Accesibilidad: movimiento reducido ---------- */

@media (prefers-reduced-motion: reduce) {
	.mqt-item,
	.mqt-card,
	.mqt-poster,
	.mqt-play {
		transition: none !important;
	}
	.mqt-item {
		opacity: 1 !important;
		transform: none !important;
	}
}