/* Teckform Process / Timeline widget. Colors and sizes set in the Style tab override these defaults.
   Written mobile first: every layout starts as a vertical timeline and the
   horizontal and alternating layouts take over from tablet width up. */

.teckform-process {
	--teckform-process-marker: 48px;
	--teckform-process-icon-size: 20px;
	--teckform-process-gap-x: 32px;
	--teckform-process-gap-y: 40px;
	--teckform-process-content-gap: 20px;
	--teckform-process-line-color: var(--teckform-border);
	--teckform-process-line-style: solid;
	--teckform-process-line-width: 2px;
	--teckform-process-line-gap: 10px;
	display: grid;
	gap: var(--teckform-process-gap-y) var(--teckform-process-gap-x);
	margin: 0;
	padding: 0;
	color: var(--teckform-text);
	list-style: none;
}

.teckform-process--marker-dot {
	--teckform-process-marker: 18px;
	--teckform-process-line-gap: 8px;
}

/* Step: marker column, then the text. */
.teckform-process__step {
	position: relative;
	display: grid;
	grid-template-columns: var(--teckform-process-marker) minmax(0, 1fr);
	align-items: start;
	column-gap: var(--teckform-process-content-gap);
	margin: 0;
	padding: 0;
}

.teckform-process__head {
	position: relative;
	z-index: 1;
}

/* Marker */
.teckform-process__marker {
	display: flex;
	align-items: center;
	justify-content: center;
	width: var(--teckform-process-marker);
	height: var(--teckform-process-marker);
	border-radius: 50%;
	background: var(--teckform-accent);
	box-shadow: 0 0 0 6px color-mix(in srgb, var(--teckform-accent) 14%, transparent);
	color: var(--teckform-on-accent, #fff);
	font-size: 1.125rem;
	font-weight: 700;
	line-height: 1;
	font-variant-numeric: tabular-nums;
	transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.teckform-process--marker-dot .teckform-process__marker {
	box-shadow: 0 0 0 4px color-mix(in srgb, var(--teckform-accent) 18%, transparent);
}

.teckform-process__marker svg {
	width: var(--teckform-process-icon-size);
	height: var(--teckform-process-icon-size);
	fill: currentColor;
}

.teckform-process__marker i {
	font-size: var(--teckform-process-icon-size);
}

/* Text */
.teckform-process__content {
	min-width: 0;
	padding-top: max(0px, calc(var(--teckform-process-marker) / 2 - 0.9em));
	text-align: start;
	transition: background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.teckform-process__label {
	display: inline-block;
	margin-bottom: 6px;
	color: var(--teckform-accent);
	font-size: 0.8125rem;
	font-weight: 600;
	letter-spacing: 0.06em;
	line-height: 1.4;
	text-transform: uppercase;
}

.teckform-process__title {
	margin: 0 0 8px;
	color: var(--teckform-text);
	font-size: 1.25rem;
	font-weight: 700;
	line-height: 1.3;
	transition: color 0.2s ease;
}

.teckform-process__text {
	margin: 0;
	color: var(--teckform-muted);
	line-height: 1.7;
}

/* Line: vertical, from below this marker to above the next one. */
.teckform-process__line {
	position: absolute;
	top: calc(var(--teckform-process-marker) + var(--teckform-process-line-gap));
	bottom: calc(var(--teckform-process-line-gap) - var(--teckform-process-gap-y));
	inset-inline-start: calc(var(--teckform-process-marker) / 2 - var(--teckform-process-line-width) / 2);
	width: 0;
	height: auto;
	border: 0 var(--teckform-process-line-style) var(--teckform-process-line-color);
	border-inline-start-width: var(--teckform-process-line-width);
	pointer-events: none;
	transform-origin: center top;
	transition: transform 0.6s ease;
}

/* Scroll animation. JS adds .is-observing, so without JS everything stays visible. */
.teckform-process.is-observing .teckform-process__step {
	transition: opacity 0.6s ease var(--teckform-process-delay, 0s), transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1) var(--teckform-process-delay, 0s);
}

.teckform-process.is-observing .teckform-process__step:not(.is-visible) {
	opacity: 0;
	transform: translateY(24px);
}

.teckform-process.is-observing .teckform-process__line {
	transition-delay: calc(var(--teckform-process-delay, 0s) + 0.3s);
}

.teckform-process.is-observing .teckform-process__step:not(.is-visible) .teckform-process__line {
	transform: scaleY(0);
}

/* Tablet and up */
@media (min-width: 768px) {

	/* Horizontal steps */
	.teckform-process--horizontal {
		grid-auto-columns: minmax(0, 1fr);
		grid-auto-flow: column;
	}

	.teckform-process--horizontal .teckform-process__step {
		display: block;
	}

	.teckform-process--horizontal .teckform-process__head {
		display: flex;
		margin-bottom: var(--teckform-process-content-gap);
	}

	.teckform-process--horizontal .teckform-process__content {
		padding-top: 0;
	}

	.teckform-process--horizontal .teckform-process__line {
		top: calc(var(--teckform-process-marker) / 2 - var(--teckform-process-line-width) / 2);
		bottom: auto;
		inset-inline-start: calc(var(--teckform-process-marker) + var(--teckform-process-line-gap));
		inset-inline-end: calc(var(--teckform-process-line-gap) - var(--teckform-process-gap-x));
		width: auto;
		height: 0;
		border-inline-start-width: 0;
		border-top-width: var(--teckform-process-line-width);
		transform-origin: left center;
	}

	[dir="rtl"] .teckform-process--horizontal .teckform-process__line {
		transform-origin: right center;
	}

	.teckform-process--horizontal.is-observing .teckform-process__step:not(.is-visible) .teckform-process__line {
		transform: scaleX(0);
	}

	/* Centered steps: the line runs from the middle of one marker to the next. */
	.teckform-process--align-center .teckform-process__step {
		text-align: center;
	}

	.teckform-process--align-center .teckform-process__head {
		justify-content: center;
	}

	.teckform-process--align-center .teckform-process__content {
		text-align: center;
	}

	.teckform-process--align-center .teckform-process__text {
		margin-inline: auto;
	}

	.teckform-process--align-center .teckform-process__line {
		inset-inline-start: calc(50% + var(--teckform-process-marker) / 2 + var(--teckform-process-line-gap));
		inset-inline-end: calc(var(--teckform-process-marker) / 2 + var(--teckform-process-line-gap) - var(--teckform-process-gap-x) - 50%);
	}

	/* Alternating timeline: line in the middle, steps on both sides. */
	.teckform-process--alternating .teckform-process__step {
		grid-template-columns: minmax(0, 1fr) var(--teckform-process-marker) minmax(0, 1fr);
	}

	.teckform-process--alternating .teckform-process__head {
		grid-row: 1;
		grid-column: 2;
	}

	.teckform-process--alternating .teckform-process__content {
		grid-row: 1;
		grid-column: 3;
	}

	.teckform-process--alternating .teckform-process__step:nth-child(even) .teckform-process__content,
	.teckform-process--alternating.teckform-process--reverse .teckform-process__step:nth-child(odd) .teckform-process__content {
		grid-column: 1;
		text-align: end;
	}

	.teckform-process--alternating.teckform-process--reverse .teckform-process__step:nth-child(even) .teckform-process__content {
		grid-column: 3;
		text-align: start;
	}

	.teckform-process--alternating .teckform-process__step:nth-child(even) .teckform-process__text,
	.teckform-process--alternating.teckform-process--reverse .teckform-process__step:nth-child(odd) .teckform-process__text {
		margin-inline-start: auto;
	}

	.teckform-process--alternating.teckform-process--reverse .teckform-process__step:nth-child(even) .teckform-process__text {
		margin-inline-start: 0;
	}

	.teckform-process--alternating .teckform-process__line {
		inset-inline-start: calc(50% - var(--teckform-process-line-width) / 2);
	}
}

@media (prefers-reduced-motion: reduce) {
	.teckform-process *,
	.teckform-process *::before,
	.teckform-process *::after {
		animation: none !important;
		transition: none !important;
	}

	.teckform-process.is-observing .teckform-process__step:not(.is-visible),
	.teckform-process.is-observing .teckform-process__step:not(.is-visible) .teckform-process__line {
		opacity: 1;
		transform: none;
	}
}