/**
 * Variant CSS: process--vertical-timeline
 * Layer 2 — Path B process role (2026-05-28).
 * Vertical timeline: a continuous rail on the left with a numbered dot per milestone.
 * Every selector scoped to .universal-process--vertical-timeline (no global leak).
 */

body.aibt-universal .universal-process--vertical-timeline {
	background: var(--background-alt);
	color: var(--text-primary);
	border-bottom: 1px solid var(--divider-primary);
}

body.aibt-universal .universal-process--vertical-timeline .universal-process__intro {
	margin-bottom: var(--space-2xl);
}

body.aibt-universal .universal-process--vertical-timeline .universal-process__kicker {
	font-family: var(--font-body) !important;
	font-size: var(--text-xs) !important;
	font-weight: 600 !important;
	letter-spacing: var(--tracking-widest) !important;
	text-transform: uppercase !important;
	color: var(--accent) !important;
	margin: 0 0 var(--space-sm) 0 !important;
}

body.aibt-universal .universal-process--vertical-timeline .universal-process__headline {
	font-family: var(--font-display) !important;
	color: var(--text-primary) !important;
	margin: 0 !important;
}

/* Timeline wrapper holds the milestones; the rail is drawn per-milestone so it
   tracks variable content height exactly. */
body.aibt-universal .universal-process--vertical-timeline .universal-process__timeline {
	display: flex !important;
	flex-direction: column !important;
	gap: 0 !important;
	max-width: 760px;
}

/* Each milestone: indented content, rail + dot drawn in the left gutter. */
body.aibt-universal .universal-process--vertical-timeline .universal-process__milestone {
	position: relative;
	padding: 0 0 var(--space-xl) 4rem !important;
}

body.aibt-universal .universal-process--vertical-timeline .universal-process__milestone--last {
	padding-bottom: 0 !important;
}

/* Vertical rail segment (drawn from each dot downward). */
body.aibt-universal .universal-process--vertical-timeline .universal-process__milestone::before {
	content: "";
	position: absolute;
	left: 1.05rem;
	top: 0.4rem;
	bottom: 0;
	width: 2px;
	background: var(--divider-accent, var(--divider-primary));
}

body.aibt-universal .universal-process--vertical-timeline .universal-process__milestone--last::before {
	display: none !important;
}

/* Dot marker on the rail. */
body.aibt-universal .universal-process--vertical-timeline .universal-process__milestone::after {
	content: "";
	position: absolute;
	left: 0.55rem;
	top: 0.3rem;
	width: 1rem;
	height: 1rem;
	border-radius: 50%;
	background: var(--accent);
	border: 3px solid var(--background-alt);
	box-shadow: 0 0 0 1px var(--divider-accent, var(--divider-primary));
	z-index: 1;
}

/* Numbers sit to the right of the dot as a quiet label. Uses --text-secondary
   (muted ink, not --accent) so the tiny 12px label stays AA-legible on every
   theme: the accent dot already carries the color signal, and mid-tone
   light-theme accents (e.g. burnt orange) fall below 4.5:1 for text this small. */
body.aibt-universal .universal-process--vertical-timeline .universal-process__num {
	font-family: var(--font-display) !important;
	font-weight: 700 !important;
	font-size: var(--text-xs) !important;
	letter-spacing: var(--tracking-wider) !important;
	color: var(--text-secondary) !important;
	margin: 0 0 var(--space-2xs) 0 !important;
	line-height: 1 !important;
	text-transform: uppercase;
}

body.aibt-universal .universal-process--vertical-timeline h3.universal-process__step-title,
body.aibt-universal .universal-process--vertical-timeline .universal-process__step-title {
	font-family: var(--font-display) !important;
	font-weight: 600 !important;
	font-size: var(--text-xl) !important;
	line-height: 1.2 !important;
	letter-spacing: -0.015em !important;
	color: var(--text-primary) !important;
	margin: 0 0 var(--space-xs) 0 !important;
}

body.aibt-universal .universal-process--vertical-timeline .universal-process__step-desc {
	font-family: var(--font-body) !important;
	font-size: var(--text-base) !important;
	line-height: var(--leading-relaxed) !important;
	color: var(--text-secondary) !important;
	margin: 0 !important;
	max-width: 56ch;
}

@media (max-width: 781px) {
	body.aibt-universal .universal-process--vertical-timeline .universal-process__milestone {
		padding-left: 3rem !important;
		padding-bottom: var(--space-lg) !important;
	}
	body.aibt-universal .universal-process--vertical-timeline .universal-process__step-title {
		font-size: var(--text-lg) !important;
	}
}

/* Drop the wide kicker tracking on narrow phones so the uppercase label never
   strains or wraps in the constrained intro column. */
@media (max-width: 640px) {
	body.aibt-universal .universal-process--vertical-timeline .universal-process__kicker {
		letter-spacing: 0 !important;
	}
}