/**
 * Vertical timeline: alternating cards + center rail (Vedic / Framer-style).
 */

.kadamba-timeline {
	--kadamba-timeline-line: var(--kdm-gold-deep);
	--kadamba-timeline-line-soft: rgba(212, 175, 55, 0.28);
	--kadamba-timeline-card: var(--kdm-cream-warm);
	--kadamba-timeline-card-text: var(--kdm-brown);
	--kadamba-timeline-cream: var(--kdm-ivory);

	position: relative;
	min-height: 100vh;
	min-height: 100svh;
	min-height: 100dvh;
	box-sizing: border-box;
	padding: clamp(3rem, 7vw, 5.5rem) clamp(1rem, 3vw, 2rem);
	background: var(--kadamba-timeline-cream);
	overflow: hidden;
}

.kadamba-timeline__intro {
	position: relative;
	z-index: 3;
	max-width: 760px;
	margin: 0 auto;
	margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
	text-align: center;
}

.kadamba-timeline__intro-tag {
	display: inline-block;
	margin: 0 0 0.75rem;
	padding: 0.35rem 0.9rem;
	border-radius: 999px;
	background: var(--kdm-gradient-gold);
	color: var(--kdm-brown);
	font-family: var(--kdm-font-sans);
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	line-height: 1.2;
}

.kadamba-timeline__intro-title {
	margin: 0.8rem 0 0.35rem;
	font-family: var(--kdm-font-serif);
	color: var(--kdm-brown);
	font-size: clamp(1.25rem, 3.2vw + 0.6rem, 3.1rem);
	line-height: 1.12;
	text-wrap: balance;
	overflow-wrap: anywhere;
	hyphens: auto;
}

.kadamba-timeline__intro-content {
	margin: 0;
	font-family: var(--kdm-font-sans);
	font-size: clamp(0.95rem, 1.7vw, 1.08rem);
	line-height: 1.6;
	color: var(--kdm-text-muted);
}

/* Cards + rail: line only runs here, not through the section intro heading */
.kadamba-timeline__track {
	position: relative;
	z-index: 2;
	max-width: 1100px;
	margin: 0 auto;
	padding-bottom: clamp(0.5rem, 2vw, 1.25rem);
}

/* Full-width rail behind rows (inside .kadamba-timeline__track only) */
.kadamba-timeline__line-bg {
	position: absolute;
	left: 50%;
	top: 0;
	bottom: 0;
	width: 2px;
	margin-left: -1px;
	background: var(--kadamba-timeline-line-soft);
	z-index: 0;
	pointer-events: none;
	border-radius: 2px;
}

.kadamba-timeline__line-fill {
	position: absolute;
	left: 50%;
	top: 0;
	width: 3px;
	margin-left: -1.5px;
	height: 100%;
	background: var(--kadamba-timeline-line);
	z-index: 1;
	pointer-events: none;
	border-radius: 2px;
	transform: scaleY(var(--kadamba-timeline-fill, 0));
	transform-origin: top center;
	will-change: transform;
	transition: transform 0.15s ease-out;
}

.kadamba-timeline__rows {
	position: relative;
	z-index: 2;
	display: flex;
	flex-direction: column;
	gap: clamp(2rem, 5vw, 3.5rem);
}

.kadamba-timeline__row {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 56px minmax(0, 1fr);
	align-items: center;
	gap: clamp(0.75rem, 2vw, 1.5rem);
	min-height: 0;
}

.kadamba-timeline__cell {
	min-width: 0;
}

.kadamba-timeline__cell--empty {
	visibility: hidden;
	pointer-events: none;
	min-height: 1px;
}

.kadamba-timeline__rail {
	display: flex;
	justify-content: center;
	align-items: center;
	position: relative;
	align-self: stretch;
}

.kadamba-timeline__marker {
	position: relative;
	z-index: 3;
	width: 32px;
	height: 32px;
	padding: 0;
	border: 2px solid var(--kadamba-timeline-line);
	border-radius: 50%;
	background: var(--kadamba-timeline-cream);
	cursor: default;
	display: flex;
	align-items: center;
	justify-content: center;
	transition:
		background 0.35s ease,
		border-color 0.35s ease,
		transform 0.35s ease;
}

.kadamba-timeline__marker:focus-visible {
	outline: 2px solid var(--kadamba-timeline-line);
	outline-offset: 3px;
}

.kadamba-timeline__marker-dot {
	width: 10px;
	height: 10px;
	border-radius: 50%;
	background: var(--kdm-brown);
	transition: opacity 0.3s ease, transform 0.3s ease;
}

.kadamba-timeline__marker.is-done {
	background: var(--kadamba-timeline-line);
	border-color: var(--kadamba-timeline-line);
	transform: scale(1.05);
}

.kadamba-timeline__marker.is-done .kadamba-timeline__marker-dot {
	opacity: 0;
	transform: scale(0);
}

.kadamba-timeline__marker-check {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	opacity: 0;
	transform: scale(0.5);
	transition: opacity 0.3s ease, transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
	pointer-events: none;
}

.kadamba-timeline__marker.is-done .kadamba-timeline__marker-check {
	opacity: 1;
	transform: scale(1);
}

.kadamba-timeline__marker-check svg {
	display: block;
	width: 16px;
	height: 16px;
}

.kadamba-timeline__marker.is-active .kadamba-timeline__marker-dot {
	background: var(--kadamba-timeline-line);
	transform: scale(1.15);
}

/* Card */
.kadamba-timeline__card {
	background: var(--kadamba-timeline-card);
	color: var(--kadamba-timeline-card-text);
	border-radius: clamp(14px, 2vw, 22px);
	padding: clamp(1.25rem, 3vw, 2rem);
	box-shadow: var(--kdm-shadow-soft);
	border: 1px solid var(--kdm-border-warm);
}

.kadamba-timeline__step {
	display: block;
	font-size: clamp(2rem, 4vw, 3rem);
	font-weight: 600;
	line-height: 1;
	margin-bottom: 0.65rem;
	opacity: 0.85;
	color: var(--kadamba-timeline-line);
}

.kadamba-timeline__title {
	margin: 0 0 1rem;
	font-family: ui-serif, Georgia, "Times New Roman", "Iowan Old Style", serif;
	font-size: clamp(1.15rem, 2.4vw, 1.45rem);
	font-weight: 700;
	line-height: 1.25;
	color: var(--kadamba-timeline-card-text);
}

.kadamba-timeline__body {
	font-size: clamp(0.95rem, 1.8vw, 1.05rem);
	line-height: 1.65;
	color: var(--kdm-text-muted);
}

.kadamba-timeline__body p {
	margin: 0 0 0.85em;
}

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

.kadamba-timeline__body ul,
.kadamba-timeline__body ol {
	margin: 0 0 0.85em 1.2em;
	padding: 0;
}

.kadamba-timeline__body li {
	margin-bottom: 0.35em;
}

.kadamba-timeline__body a {
	color: var(--kadamba-timeline-line);
	text-decoration: underline;
	text-underline-offset: 2px;
}

/* Editor */
.kadamba-timeline--editor .kadamba-timeline__line-bg,
.kadamba-timeline--editor .kadamba-timeline__line-fill {
	display: none;
}

.kadamba-timeline--editor .kadamba-timeline__marker {
	cursor: pointer;
}

.kadamba-timeline--editor .kadamba-timeline__rows {
	gap: 1.5rem;
}

@media (max-width: 700px) {
	.kadamba-timeline__intro {
		text-align: left;
		margin-bottom: clamp(1.75rem, 4.5vw, 2.75rem);
	}

	.kadamba-timeline__line-bg,
	.kadamba-timeline__line-fill {
		left: 1.35rem;
		margin-left: 0;
	}

	.kadamba-timeline__row {
		display: flex;
		flex-direction: row;
		flex-wrap: nowrap;
		align-items: flex-start;
		gap: 1rem;
	}

	.kadamba-timeline__cell--empty {
		display: none !important;
	}

	/*
	 * Desktop uses alternating columns; DOM order zig-zags (card | rail | empty vs empty | rail | card).
	 * On small screens we always want: rail (line) first, card second — same as items 1 & 3 on desktop-left flow.
	 */
	.kadamba-timeline__rail {
		order: 1;
		flex: 0 0 40px;
		align-self: stretch;
		min-height: 48px;
	}

	.kadamba-timeline__cell:not(.kadamba-timeline__cell--empty) {
		order: 2;
		flex: 1;
		min-width: 0;
	}
}

@media (prefers-reduced-motion: reduce) {
	.kadamba-timeline__line-fill,
	.kadamba-timeline__marker,
	.kadamba-timeline__marker-check,
	.kadamba-timeline__marker-dot {
		transition-duration: 0.01ms;
	}
}