/* ==========================================================================
   Plan Comparison Matrix & Trust Row (IC2 Chunk D2)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Plan Comparison Matrix (.iv-plan-compare)
   -------------------------------------------------------------------------- */

.iv-plan-compare {
	background: var(--color-surface-light, #ffffff);
	border: 1px solid var(--color-border-light, #e2e8f0);
	border-radius: var(--radius-md, 12px);
	box-shadow: var(--shadow-light, 0 10px 30px -10px rgba(0, 0, 0, 0.1));
	margin-top: var(--space-md, 1.25rem);
	overflow: hidden;
}

.iv-plan-compare[open] {
	box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
}

/* Details summary toggle (>= 44px touch target) */
.iv-plan-compare__summary {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 48px;
	padding: 1rem 1.5rem;
	cursor: pointer;
	list-style: none;
	font-family: var(--font-display, inherit);
	font-size: var(--step-0, 1.05rem);
	font-weight: 700;
	color: var(--color-ink, #101e42);
	user-select: none;
	transition: background-color var(--duration-fast, 160ms) ease, color var(--duration-fast, 160ms) ease;
}

.iv-plan-compare__summary::-webkit-details-marker {
	display: none;
}

.iv-plan-compare__summary:hover {
	color: var(--color-action, #ad5208);
	background-color: rgba(173, 82, 8, 0.03);
}

.iv-plan-compare__summary:focus-visible {
	outline: var(--focus-ring, 2px solid var(--color-action));
	outline-offset: -2px;
}

.iv-plan-compare[open] > .iv-plan-compare__summary {
	border-bottom: 1px solid var(--color-border-light, #e2e8f0);
}

.iv-plan-compare__chevron {
	flex-shrink: 0;
	width: 20px;
	height: 20px;
	color: var(--color-action, #ad5208);
	transition: transform var(--duration-base, 240ms) var(--ease-out, ease);
}

.iv-plan-compare[open] .iv-plan-compare__chevron {
	transform: rotate(180deg);
}

/* Expanded body */
.iv-plan-compare__body {
	padding: 1.5rem;
}

.iv-plan-compare__heading {
	margin: 0 0 var(--space-sm, 1rem) 0;
	color: var(--color-ink, #101e42);
}

/* Accessible horizontal scroller container */
.iv-plan-compare__scroll {
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
	width: 100%;
}

.iv-plan-compare__scroll:focus-visible {
	outline: var(--focus-ring, 2px solid var(--color-action));
	outline-offset: -2px;
}

/* Comparison table */
.iv-plan-compare__table {
	width: 100%;
	border-collapse: separate;
	border-spacing: 0;
	text-align: left;
	font-size: var(--step--1, 0.875rem);
	line-height: 1.4;
}

.iv-plan-compare__table thead th {
	font-family: var(--font-display, inherit);
	font-size: 0.9375rem;
	font-weight: 700;
	color: var(--color-ink, #101e42);
	padding: 0.875rem 1rem;
	background-color: var(--color-surface-light, #ffffff);
	border-bottom: 2px solid var(--color-border-light, #e2e8f0);
}

.iv-plan-compare__th-plan {
	text-align: center;
	min-width: 100px;
}

/* Sticky first column (corner and feature header) */
.iv-plan-compare__corner-cell,
.iv-plan-compare__feature-cell {
	position: sticky;
	left: 0;
	z-index: 2;
	text-align: left;
	border-right: 1px solid var(--color-border-light, #e2e8f0);
}

.iv-plan-compare__corner-cell {
	z-index: 3;
	background-color: var(--color-surface-light, #ffffff);
}

.iv-plan-compare__feature-cell {
	font-weight: 500;
	color: var(--color-text-light, #1e293b);
	padding: 0.75rem 1rem;
	min-width: 150px;
}

/* Group header row */
.iv-plan-compare__group-row {
	background-color: #f1f5f9;
}

.iv-plan-compare__group-cell {
	position: sticky;
	left: 0;
	z-index: 2;
	background-color: #f1f5f9;
	color: var(--color-ink, #101e42);
	font-family: var(--font-display, inherit);
	font-size: 0.8125rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	padding: 0.75rem 1rem;
	text-align: left;
	border-top: 1px solid var(--color-border-light, #e2e8f0);
	border-bottom: 1px solid var(--color-border-light, #e2e8f0);
}

/* Zebra row striping with opaque sticky column backgrounds */
.iv-plan-compare__table tbody tr:not(.iv-plan-compare__group-row):nth-child(even) {
	background-color: var(--color-bg-light, #f8fafc);
}

.iv-plan-compare__table tbody tr:not(.iv-plan-compare__group-row):nth-child(even) .iv-plan-compare__feature-cell {
	background-color: var(--color-bg-light, #f8fafc);
}

.iv-plan-compare__table tbody tr:not(.iv-plan-compare__group-row):nth-child(odd) {
	background-color: var(--color-surface-light, #ffffff);
}

.iv-plan-compare__table tbody tr:not(.iv-plan-compare__group-row):nth-child(odd) .iv-plan-compare__feature-cell {
	background-color: var(--color-surface-light, #ffffff);
}

.iv-plan-compare__table tbody tr td,
.iv-plan-compare__table tbody tr th {
	border-bottom: 1px solid var(--color-border-light, #e2e8f0);
}

/* Matrix cells */
.iv-plan-compare__cell {
	text-align: center;
	vertical-align: middle;
	padding: 0.75rem 0.5rem;
	min-width: 80px;
}

.iv-plan-compare__icon--check {
	color: var(--color-action, #ad5208);
	display: inline-block;
	vertical-align: middle;
}

.iv-plan-compare__dash {
	color: var(--color-text-light-muted, #475569);
	font-size: 1.25rem;
	font-weight: 400;
	line-height: 1;
	display: inline-block;
	vertical-align: middle;
}

/* Row hover on desktop */
@media (hover: hover) {
	.iv-plan-compare__table tbody tr:not(.iv-plan-compare__group-row):hover {
		background-color: rgba(173, 82, 8, 0.04);
	}

	.iv-plan-compare__table tbody tr:not(.iv-plan-compare__group-row):hover .iv-plan-compare__feature-cell {
		background-color: #faf7f5;
	}
}

/* Mobile viewport adjustments (< 600px) */
@media (max-width: 599px) {
	.iv-plan-compare__summary {
		padding: 0.875rem 1rem;
		min-height: 44px;
	}

	.iv-plan-compare__body {
		padding: 1rem 0 0.5rem 0;
	}

	.iv-plan-compare__heading {
		padding: 0 1rem;
	}

	.iv-plan-compare__table {
		min-width: 440px;
	}

	.iv-plan-compare__corner-cell,
	.iv-plan-compare__feature-cell {
		width: 140px;
		min-width: 130px;
		max-width: 180px;
		font-size: 0.8125rem;
		padding: 0.625rem 0.75rem;
	}

	.iv-plan-compare__th-plan {
		min-width: 72px;
		font-size: 0.8125rem;
		padding: 0.625rem 0.25rem;
	}

	.iv-plan-compare__cell {
		min-width: 72px;
		padding: 0.625rem 0.25rem;
	}
}


/* --------------------------------------------------------------------------
   2. Trust Row (.iv-trust-row)
   -------------------------------------------------------------------------- */

.iv-trust-row {
	width: 100%;
	margin-top: 0;
	padding-top: 0;
	border-top: none;
}

.iv-trust-row--dark {
	border-top: none;
}

/* Compact strip when trust row sits in its own section (Fix 4) */
.iv-section:has(.iv-trust-row) {
	padding-top: var(--space-lg);
	padding-bottom: var(--space-lg);
	border-top: none;
}

.iv-trust-row__heading {
	margin: 0 0 var(--space-sm, 1rem) 0;
	color: var(--color-ink, #101e42);
}

.iv-trust-row--dark .iv-trust-row__heading {
	color: var(--color-text-dark, #f8fafc);
}

/* Responsive grid: 1 col < 600px, 2 cols < 900px, horizontal strip >= 900px */
.iv-trust-row__list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	grid-template-columns: 1fr;
	gap: 1rem;
}

@media (min-width: 600px) {
	.iv-trust-row__list {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 1.25rem 1.5rem;
	}
}

@media (min-width: 900px) {
	.iv-trust-row__list {
		grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
		gap: 1.5rem;
	}
}

.iv-trust-row__item {
	display: flex;
	align-items: flex-start;
	gap: 0.75rem;
	min-width: 0;
}

.iv-trust-row__icon {
	flex-shrink: 0;
	width: 20px;
	height: 20px;
	margin-top: 0.125rem;
	color: var(--color-green-text, #3d7a33);
}

.iv-trust-row--dark .iv-trust-row__icon {
	color: #4ade80; /* High contrast green on dark */
}

.iv-trust-row__body {
	display: flex;
	flex-direction: column;
	gap: 0.2rem;
	min-width: 0;
}

.iv-trust-row__title {
	font-size: 0.9375rem;
	font-weight: 700;
	line-height: 1.3;
	color: var(--color-ink, #101e42);
}

.iv-trust-row--dark .iv-trust-row__title {
	color: var(--color-text-dark, #f8fafc);
}

.iv-trust-row__text {
	font-size: 0.8125rem;
	line-height: 1.4;
	color: var(--color-text-light-muted, #475569);
}

.iv-trust-row--dark .iv-trust-row__text {
	color: var(--color-text-dark-muted, #94a3b8);
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
	.iv-plan-compare__summary,
	.iv-plan-compare__chevron {
		transition: none !important;
	}
}