/**
 * Timeline Builder by quuon — frontend styles.
 *
 * Everything is driven by custom properties declared on .qtb, so a preset,
 * an Elementor style control and a line of theme CSS all edit the same knobs
 * without fighting over specificity.
 */

.qtb {
	--qtb-accent: #2f5d50;
	--qtb-spine: rgba(20, 30, 28, 0.16);
	--qtb-spine-size: 2px;
	--qtb-marker-size: 34px;
	--qtb-marker-bg: #ffffff;
	--qtb-marker-fg: var(--qtb-accent);
	--qtb-marker-ring: var(--qtb-spine);
	--qtb-card-bg: transparent;
	--qtb-card-radius: 0px;
	--qtb-card-pad: 0px;
	--qtb-card-border: 0 solid transparent;
	--qtb-card-shadow: none;
	--qtb-muted: rgba(20, 30, 28, 0.62);
	--qtb-gap: 44px;
	--qtb-inset: 22px;
	--qtb-speed: 420ms;
	--qtb-spine-x: 50%;
	--qtb-date-w: 9em;

	position: relative;
	container-type: inline-size;
}

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

.qtb__viewport {
	position: relative;
}

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

.qtb__item {
	position: relative;
	margin: 0;
}

.qtb__item::marker {
	content: "";
}

/* ---------------------------------------------------------------- spine */

.qtb__spine {
	position: absolute;
	background: var(--qtb-spine);
	pointer-events: none;
	z-index: 0;
}

.qtb__spine-progress {
	display: block;
	background: var(--qtb-accent);
	transform-origin: top left;
}

.qtb--vertical .qtb__spine {
	top: 0;
	bottom: 0;
	width: var(--qtb-spine-size);
	border-radius: var(--qtb-spine-size);
}

.qtb--vertical .qtb__spine-progress {
	width: 100%;
	height: 0;
	border-radius: inherit;
	transition: height 120ms linear;
}

.qtb--vertical .qtb__spine {
	left: var(--qtb-spine-x);
	transform: translateX(-50%);
}

.qtb--vertical.qtb--layout-left {
	--qtb-spine-x: calc(var(--qtb-marker-size) / 2);
}

.qtb--vertical.qtb--layout-right {
	--qtb-spine-x: calc(100% - var(--qtb-marker-size) / 2);
}

.qtb--horizontal .qtb__spine {
	left: 0;
	right: 0;
	top: calc(var(--qtb-marker-size) / 2);
	height: var(--qtb-spine-size);
	transform: translateY(-50%);
	border-radius: var(--qtb-spine-size);
}

.qtb--horizontal .qtb__spine-progress {
	height: 100%;
	width: 0;
	border-radius: inherit;
	transition: width 120ms linear;
}

/* --------------------------------------------------------------- marker */

.qtb__marker {
	display: flex;
	align-items: center;
	justify-content: center;
	width: var(--qtb-marker-size);
	height: var(--qtb-marker-size);
	border-radius: 50%;
	background: var(--qtb-marker-bg);
	color: var(--qtb-marker-fg);
	box-shadow: 0 0 0 var(--qtb-spine-size) var(--qtb-marker-ring);
	overflow: hidden;
	z-index: 1;
	flex: none;
	font-size: calc(var(--qtb-marker-size) * 0.46);
	line-height: 1;
}

.qtb__marker svg,
.qtb__marker i {
	font-size: var(--qtb-icon-size, 100%);
}

.qtb__marker svg {
	width: 1.2em;
	height: 1.2em;
}

/* Solid glyphs inherit the marker colour; icons that declare their own fill
   (outline sets using fill="none" plus a stroke) are left alone. */
.qtb__marker svg:not([fill]) {
	fill: currentColor;
}

.qtb__dot {
	width: 0.42em;
	height: 0.42em;
	border-radius: 50%;
	background: currentColor;
}

.qtb__number {
	font-size: var(--qtb-label-size, 0.85em);
	font-weight: 600;
	font-variant-numeric: tabular-nums;
}

.qtb__label {
	white-space: nowrap;
	font-weight: 600;
	line-height: 1;
	letter-spacing: 0.01em;
	font-size: var(--qtb-label-size, 0.92em);
}

/* One or two characters stay a circle; longer labels grow into a pill. */
.qtb__marker--text {
	width: auto;
	min-width: var(--qtb-marker-size);
	padding: 0 0.55em;
	border-radius: 999px;
}

/* The column keeps its fixed width and the pill overflows it symmetrically,
   so every marker shares one centre line and the cards stay aligned. */
.qtb__marker--text {
	justify-self: center;
}


.qtb--marker-none .qtb__marker--bare {
	width: calc(var(--qtb-marker-size) / 3);
	height: calc(var(--qtb-marker-size) / 3);
	background: var(--qtb-accent);
	box-shadow: none;
}

/* ----------------------------------------------------------------- card */

.qtb__card {
	display: block;
	position: relative;
	background: var(--qtb-card-bg);
	border: var(--qtb-card-border);
	border-radius: var(--qtb-card-radius);
	box-shadow: var(--qtb-card-shadow);
	padding: var(--qtb-card-pad);
	color: inherit;
	text-decoration: none;
	min-width: 0;
}

.qtb__body {
	flex: 1 1 auto;
	min-width: 0;
}

/* Image inside the card, at its natural proportions. */
.qtb__media {
	margin: 0;
	border-radius: var(--qtb-media-radius, calc(var(--qtb-card-radius) * 0.6));
	overflow: hidden;
	line-height: 0;
}

.qtb__media img {
	display: block;
	width: 100%;
	height: auto;
}

.qtb__card--media {
	display: flex;
	gap: var(--qtb-media-gap, 1.1em);
}

.qtb--image-top .qtb__card--media {
	flex-direction: column;
}

.qtb--image-bottom .qtb__card--media {
	flex-direction: column-reverse;
}

.qtb--image-left .qtb__card--media {
	flex-direction: row;
	align-items: flex-start;
}

.qtb--image-right .qtb__card--media {
	flex-direction: row-reverse;
	align-items: flex-start;
}

.qtb--image-left .qtb__media,
.qtb--image-right .qtb__media {
	flex: 0 0 var(--qtb-media-w, 38%);
}

a.qtb__card:hover,
a.qtb__card:focus-visible {
	text-decoration: none;
}

.qtb__date {
	display: block;
	color: var(--qtb-muted);
	font-size: 0.86em;
	font-variant-numeric: tabular-nums;
	letter-spacing: 0.01em;
	margin-bottom: 0.35em;
}

.qtb__title {
	margin: 0 0 0.4em;
	font-size: 1.16em;
	line-height: 1.25;
}

.qtb__text {
	margin: 0;
	color: var(--qtb-muted);
	line-height: 1.6;
	max-width: 62ch;
}

.qtb__text p {
	margin: 0 0 0.6em;
}

.qtb__text p:last-child {
	margin-bottom: 0;
}

.qtb__more {
	display: inline-block;
	margin-top: 0.7em;
	color: var(--qtb-accent);
	font-weight: 600;
	text-decoration: underline;
	text-underline-offset: 0.2em;
}

/* ------------------------------------------------------ vertical layout */

.qtb--vertical .qtb__track {
	display: grid;
	row-gap: var(--qtb-gap);
}

.qtb--vertical .qtb__item {
	display: grid;
	align-items: start;
	column-gap: var(--qtb-inset);
}

.qtb--vertical.qtb--layout-center .qtb__item {
	grid-template-columns: 1fr var(--qtb-marker-col, var(--qtb-marker-size)) 1fr;
}

.qtb--vertical.qtb--layout-center .qtb__marker {
	grid-column: 2;
	grid-row: 1;
}

.qtb--vertical.qtb--layout-center .qtb__item--start .qtb__card {
	grid-column: 1;
	grid-row: 1;
	text-align: right;
}

.qtb--vertical.qtb--layout-center .qtb__item--start .qtb__text {
	margin-left: auto;
}

.qtb--vertical.qtb--layout-center .qtb__item--end .qtb__card {
	grid-column: 3;
	grid-row: 1;
}

.qtb--vertical.qtb--layout-center .qtb__item--start .qtb__date--outside {
	grid-column: 3;
	grid-row: 1;
	text-align: left;
}

.qtb--vertical.qtb--layout-center .qtb__item--end .qtb__date--outside {
	grid-column: 1;
	grid-row: 1;
	text-align: right;
}

.qtb--vertical.qtb--layout-left .qtb__item {
	grid-template-columns: var(--qtb-marker-col, var(--qtb-marker-size)) 1fr;
}

.qtb--vertical.qtb--layout-left .qtb__marker {
	grid-column: 1;
	grid-row: 1;
}

.qtb--vertical.qtb--layout-left .qtb__card,
.qtb--vertical.qtb--layout-left .qtb__date--outside {
	grid-column: 2;
}

.qtb--vertical.qtb--layout-right .qtb__item {
	grid-template-columns: 1fr var(--qtb-marker-col, var(--qtb-marker-size));
	text-align: right;
}

.qtb--vertical.qtb--layout-right .qtb__marker {
	grid-column: 2;
	grid-row: 1;
}

.qtb--vertical.qtb--layout-right .qtb__card,
.qtb--vertical.qtb--layout-right .qtb__date--outside {
	grid-column: 1;
}

.qtb--vertical.qtb--layout-right .qtb__text {
	margin-left: auto;
}

.qtb--vertical.qtb--layout-left.qtb--date-outside .qtb__item {
	grid-template-columns: var(--qtb-date-w) var(--qtb-marker-col, var(--qtb-marker-size)) 1fr;
}

.qtb--vertical.qtb--layout-left.qtb--date-outside .qtb__date--outside {
	grid-column: 1;
	grid-row: 1;
	text-align: right;
}

.qtb--vertical.qtb--layout-left.qtb--date-outside .qtb__marker {
	grid-column: 2;
}

.qtb--vertical.qtb--layout-left.qtb--date-outside .qtb__card {
	grid-column: 3;
}

.qtb--vertical.qtb--layout-right.qtb--date-outside .qtb__item {
	grid-template-columns: 1fr var(--qtb-marker-col, var(--qtb-marker-size)) var(--qtb-date-w);
}

.qtb--vertical.qtb--layout-right.qtb--date-outside .qtb__card {
	grid-column: 1;
}

.qtb--vertical.qtb--layout-right.qtb--date-outside .qtb__marker {
	grid-column: 2;
}

.qtb--vertical.qtb--layout-right.qtb--date-outside .qtb__date--outside {
	grid-column: 3;
	grid-row: 1;
	text-align: left;
}

.qtb__date--outside {
	align-self: start;
	margin-bottom: 0;
	padding-top: calc(var(--qtb-marker-size) / 4);
}

.qtb--date-outside .qtb__card > .qtb__date {
	display: none;
}

/* ---------------------------------------------------- horizontal layout */

.qtb--horizontal .qtb__track {
	display: flex;
	gap: var(--qtb-gap);
	overflow-x: auto;
	scroll-snap-type: x mandatory;
	scroll-behavior: smooth;
	scrollbar-width: none;
	padding-bottom: 4px;
}

.qtb--horizontal .qtb__track::-webkit-scrollbar {
	display: none;
}

.qtb--horizontal .qtb__item {
	flex: 0 0 calc(
		(100% - (var(--qtb-per-view, 3) - 1) * var(--qtb-gap)) / var(--qtb-per-view, 3)
	);
	scroll-snap-align: start;
	display: grid;
	grid-template-rows: var(--qtb-marker-col-h, var(--qtb-marker-size)) auto;
	row-gap: var(--qtb-inset);
	justify-items: start;
}

.qtb--horizontal .qtb__card {
	width: 100%;
}

.qtb--horizontal.is-dragging .qtb__track {
	scroll-snap-type: none;
	scroll-behavior: auto;
	cursor: grabbing;
	user-select: none;
}

.qtb--horizontal.is-draggable .qtb__track {
	cursor: grab;
}

.qtb--horizontal.is-scrollsync .qtb__track {
	scroll-behavior: auto;
	scroll-snap-type: none;
}

@container (max-width: 900px) {
	.qtb--horizontal .qtb__item {
		flex-basis: calc(
			(100% - (var(--qtb-per-view-tablet, 2) - 1) * var(--qtb-gap)) / var(--qtb-per-view-tablet, 2)
		);
	}
}

@container (max-width: 560px) {
	.qtb--horizontal .qtb__item {
		flex-basis: calc(
			(100% - (var(--qtb-per-view-mobile, 1) - 1) * var(--qtb-gap)) / var(--qtb-per-view-mobile, 1)
		);
	}
}

/* ---------------------------------------------------------- nav & dots */

.qtb__nav {
	display: flex;
	gap: 8px;
	margin-top: var(--qtb-inset);
}

.qtb__arrow {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 42px;
	height: 42px;
	padding: 0;
	border: var(--qtb-spine-size) solid var(--qtb-spine);
	border-radius: 50%;
	background: transparent;
	color: inherit;
	cursor: pointer;
	transition: border-color 160ms ease, color 160ms ease;
}

.qtb__arrow svg {
	width: 20px;
	height: 20px;
}

.qtb__arrow:hover:not([disabled]),
.qtb__arrow:focus-visible {
	border-color: var(--qtb-accent);
	color: var(--qtb-accent);
}

.qtb__arrow[disabled] {
	opacity: 0.35;
	cursor: default;
}

.qtb__dots {
	display: flex;
	gap: 8px;
	margin-top: var(--qtb-inset);
	flex-wrap: wrap;
}

.qtb__dots:empty {
	display: none;
}

.qtb__dot-btn {
	width: 26px;
	height: 4px;
	padding: 0;
	border: 0;
	border-radius: 2px;
	background: var(--qtb-spine);
	cursor: pointer;
	transition: background 160ms ease, width 160ms ease;
}

.qtb__dot-btn[aria-selected="true"] {
	background: var(--qtb-accent);
	width: 40px;
}

/* -------------------------------------------------------------- reveal */

/* Scoped to .qtb--js, added by the script itself: if the script never runs,
   the items stay visible instead of being hidden forever. */
.qtb--js.qtb--reveal .qtb__item {
	opacity: 0;
	transform: translateY(14px);
	transition: opacity var(--qtb-speed) ease, transform var(--qtb-speed) ease;
	transition-delay: calc(var(--qtb-i, 0) * 60ms);
}

.qtb--js.qtb--reveal .qtb__item.is-in {
	opacity: 1;
	transform: none;
}

.qtb--js.qtb--horizontal.qtb--reveal .qtb__item {
	transform: translateX(14px);
}

/* ------------------------------------------------------------- presets */

.qtb[data-qtb-preset="line"] {
	--qtb-card-pad: 0px;
	--qtb-card-bg: transparent;
}

.qtb[data-qtb-preset="card"] {
	--qtb-card-bg: #ffffff;
	--qtb-card-radius: 14px;
	--qtb-card-pad: 24px 26px;
	--qtb-card-shadow: 0 1px 2px rgba(16, 24, 32, 0.06), 0 10px 28px -14px rgba(16, 24, 32, 0.28);
	--qtb-marker-size: 40px;
}

.qtb[data-qtb-preset="stone"] {
	--qtb-accent: #14211d;
	--qtb-spine: #14211d;
	--qtb-spine-size: 3px;
	--qtb-card-bg: transparent;
	--qtb-card-radius: 0px;
	--qtb-card-pad: 20px 22px;
	--qtb-card-border: 3px solid #14211d;
	--qtb-marker-bg: #14211d;
	--qtb-marker-fg: #f7f5ef;
	--qtb-marker-ring: transparent;
	--qtb-muted: rgba(20, 33, 29, 0.75);
}

.qtb[data-qtb-preset="stone"] .qtb__title {
	font-weight: 700;
	letter-spacing: -0.01em;
}

.qtb[data-qtb-preset="ribbon"] {
	--qtb-spine-size: 6px;
	--qtb-spine: color-mix(in srgb, var(--qtb-accent) 22%, transparent);
	--qtb-marker-bg: var(--qtb-accent);
	--qtb-marker-fg: #ffffff;
	--qtb-marker-ring: transparent;
	--qtb-marker-size: 42px;
	--qtb-card-pad: 18px 22px;
	--qtb-card-radius: 4px;
}

.qtb[data-qtb-preset="ribbon"] .qtb__card {
	border-left: 3px solid var(--qtb-accent);
}

.qtb[data-qtb-preset="ribbon"].qtb--layout-center .qtb__item--start .qtb__card,
.qtb[data-qtb-preset="ribbon"].qtb--layout-right .qtb__card {
	border-left: 0;
	border-right: 3px solid var(--qtb-accent);
}

.qtb[data-qtb-preset="glass"] {
	--qtb-card-bg: rgba(255, 255, 255, 0.09);
	--qtb-card-radius: 18px;
	--qtb-card-pad: 24px 26px;
	--qtb-card-border: 1px solid rgba(255, 255, 255, 0.22);
	--qtb-spine: rgba(255, 255, 255, 0.24);
	--qtb-marker-bg: rgba(255, 255, 255, 0.16);
	--qtb-marker-fg: #ffffff;
	--qtb-marker-ring: rgba(255, 255, 255, 0.24);
	--qtb-muted: rgba(255, 255, 255, 0.76);
	color: #ffffff;
}

.qtb[data-qtb-preset="glass"] .qtb__card {
	backdrop-filter: blur(14px) saturate(140%);
	-webkit-backdrop-filter: blur(14px) saturate(140%);
}

/* -------------------------------------------------------------- notices */

.qtb-notice {
	padding: 14px 16px;
	margin-bottom: 16px;
	border: 1px dashed rgba(20, 30, 28, 0.3);
	border-radius: 6px;
	font-size: 14px;
	color: rgba(20, 30, 28, 0.8);
	background: rgba(20, 30, 28, 0.03);
}

.qtb-notice--pro {
	border-style: solid;
	border-color: var(--qtb-accent, #2f5d50);
}

/* ------------------------------------------------------ a11y & fallback */

.qtb .screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.qtb :focus-visible {
	outline: 2px solid var(--qtb-accent);
	outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
	.qtb--js.qtb--reveal .qtb__item {
		opacity: 1;
		transform: none;
		transition: none;
	}

	.qtb__track {
		scroll-behavior: auto;
	}
}

/* Browsers without container query support fall back to viewport widths. */
@supports not (container-type: inline-size) {
	@media (max-width: 900px) {
		.qtb--horizontal .qtb__item {
			flex-basis: calc(
				(100% - (var(--qtb-per-view-tablet, 2) - 1) * var(--qtb-gap)) / var(--qtb-per-view-tablet, 2)
			);
		}
	}

	@media (max-width: 560px) {
		.qtb--horizontal .qtb__item {
			flex-basis: calc(
				(100% - (var(--qtb-per-view-mobile, 1) - 1) * var(--qtb-gap)) / var(--qtb-per-view-mobile, 1)
			);
		}
	}
}

/* Narrow screens: a centred vertical timeline collapses to a left spine. */
@media (max-width: 640px) {
	.qtb--image-left .qtb__card--media,
	.qtb--image-right .qtb__card--media {
		flex-direction: column;
	}

	.qtb--image-left .qtb__media,
	.qtb--image-right .qtb__media {
		flex-basis: auto;
	}

	.qtb.qtb--vertical {
		--qtb-spine-x: calc(var(--qtb-marker-size) / 2);
	}

	.qtb.qtb--vertical .qtb__item,
	.qtb.qtb--vertical.qtb--date-outside .qtb__item {
		grid-template-columns: var(--qtb-marker-col, var(--qtb-marker-size)) 1fr;
		text-align: left;
	}


	.qtb.qtb--vertical .qtb__marker,
	.qtb.qtb--vertical.qtb--layout-center .qtb__item--start .qtb__marker,
	.qtb.qtb--vertical.qtb--layout-right .qtb__marker {
		grid-column: 1;
		grid-row: 1;
	}

	.qtb.qtb--vertical .qtb__card,
	.qtb.qtb--vertical.qtb--layout-center .qtb__item--start .qtb__card,
	.qtb.qtb--vertical.qtb--layout-center .qtb__item--end .qtb__card,
	.qtb.qtb--vertical.qtb--layout-right .qtb__card,
	.qtb.qtb--vertical.qtb--layout-left.qtb--date-outside .qtb__card,
	.qtb.qtb--vertical.qtb--layout-right.qtb--date-outside .qtb__card {
		grid-column: 2;
		text-align: left;
	}

	.qtb.qtb--vertical .qtb__text {
		margin-left: 0;
		margin-right: 0;
	}

	.qtb.qtb--vertical.qtb--date-outside .qtb__date--outside,
	.qtb.qtb--vertical.qtb--layout-center.qtb--date-outside .qtb__item--start .qtb__date--outside,
	.qtb.qtb--vertical.qtb--layout-center.qtb--date-outside .qtb__item--end .qtb__date--outside,
	.qtb.qtb--vertical.qtb--layout-left.qtb--date-outside .qtb__date--outside,
	.qtb.qtb--vertical.qtb--layout-right.qtb--date-outside .qtb__date--outside {
		grid-column: 2;
		grid-row: 1;
		text-align: left;
		padding-top: 0;
		margin-bottom: 0.35em;
	}

	.qtb.qtb--vertical.qtb--date-outside .qtb__card,
	.qtb.qtb--vertical.qtb--layout-center.qtb--date-outside .qtb__item--start .qtb__card,
	.qtb.qtb--vertical.qtb--layout-center.qtb--date-outside .qtb__item--end .qtb__card,
	.qtb.qtb--vertical.qtb--layout-left.qtb--date-outside .qtb__card,
	.qtb.qtb--vertical.qtb--layout-right.qtb--date-outside .qtb__card {
		grid-row: 2;
	}

	.qtb.qtb--vertical.qtb--date-outside .qtb__marker {
		grid-row: 1 / span 2;
	}
}