/* FAQ: list, cards and two-column layouts; four presets. Built on <details>, no JavaScript. */

.vsk-faq__list {
	--vsk-gap: 0.75rem;
	display: grid;
	gap: var(--vsk-gap);
	align-items: start;
}

.vsk-faq--list .vsk-faq__list {
	--vsk-gap: 0;
}

.vsk-faq__item {
	border-radius: var(--vsk-radius-sm);
	background: transparent;
	transition: background-color var(--vsk-duration) var(--vsk-ease), border-color var(--vsk-duration) var(--vsk-ease), box-shadow var(--vsk-duration) var(--vsk-ease);
}

.vsk-faq__question {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--vsk-space-4);
	padding: var(--vsk-space-4) var(--vsk-space-5);
	cursor: pointer;
	list-style: none;
	font-family: var(--vsk-font-heading);
	font-weight: var(--vsk-weight-heading);
	font-size: 1.05rem;
	line-height: 1.4;
	color: var(--vsk-color-primary);
}

.vsk-faq__question::-webkit-details-marker {
	display: none;
}

.vsk-faq__question:focus-visible {
	outline: 2px solid var(--vsk-color-accent);
	outline-offset: 2px;
}

.vsk-faq__answer {
	padding: 0 var(--vsk-space-5) var(--vsk-space-5);
	line-height: 1.65;
	color: var(--vsk-color-text);
}

.vsk-faq__answer > :first-child {
	margin-top: 0;
}

.vsk-faq__answer > :last-child {
	margin-bottom: 0;
}

/* Icon: drawn with borders so it follows the text colour and needs no font. */
.vsk-faq__icon {
	position: relative;
	flex: none;
	width: 1.1rem;
	height: 1.1rem;
	color: var(--vsk-color-accent);
}

.vsk-faq--icon-plus .vsk-faq__icon::before,
.vsk-faq--icon-plus .vsk-faq__icon::after {
	content: "";
	position: absolute;
	inset-inline: 0;
	top: 50%;
	height: 2px;
	margin-top: -1px;
	border-radius: 2px;
	background: currentcolor;
	transition: transform var(--vsk-duration) var(--vsk-ease);
}

.vsk-faq--icon-plus .vsk-faq__icon::after {
	transform: rotate(90deg);
}

.vsk-faq--icon-plus details[open] > summary .vsk-faq__icon::after {
	transform: rotate(0deg);
}

.vsk-faq--icon-chevron .vsk-faq__icon::before {
	content: "";
	position: absolute;
	inset: 15% 20% 35%;
	border-right: 2px solid currentcolor;
	border-bottom: 2px solid currentcolor;
	transform: rotate(45deg);
	transition: transform var(--vsk-duration) var(--vsk-ease);
}

.vsk-faq--icon-chevron details[open] > summary .vsk-faq__icon::before {
	transform: rotate(-135deg) translate(-10%, -10%);
}

/* Layouts. */
.vsk-faq--list .vsk-faq__item {
	border-radius: 0;
	border-bottom: 1px solid var(--vsk-border);
}

.vsk-faq--list .vsk-faq__question,
.vsk-faq--list .vsk-faq__answer {
	padding-inline: 0;
}

.vsk-faq--cards .vsk-faq__item,
.vsk-faq--columns .vsk-faq__item {
	border: 1px solid var(--vsk-border);
	background: var(--vsk-surface);
	border-radius: var(--vsk-radius);
}

@media (min-width: 768px) {
	.vsk-faq--columns .vsk-faq__list {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

/* Presets. The list layout stays a divided list unless the preset adds a box. */
.vsk-faq.vsk-preset--outline .vsk-faq__item {
	border: 1px solid var(--vsk-border);
	border-radius: var(--vsk-radius);
}

.vsk-faq--list.vsk-preset--outline .vsk-faq__list {
	--vsk-gap: 0.75rem;
}

.vsk-faq--list.vsk-preset--outline .vsk-faq__question,
.vsk-faq--list.vsk-preset--outline .vsk-faq__answer,
.vsk-faq--list.vsk-preset--elevated .vsk-faq__question,
.vsk-faq--list.vsk-preset--elevated .vsk-faq__answer,
.vsk-faq--list.vsk-preset--tinted .vsk-faq__question,
.vsk-faq--list.vsk-preset--tinted .vsk-faq__answer {
	padding-inline: var(--vsk-space-5);
}

.vsk-faq.vsk-preset--elevated .vsk-faq__item {
	border: 0;
	border-radius: var(--vsk-radius);
	background: var(--vsk-surface);
	box-shadow: var(--vsk-shadow-sm);
}

.vsk-faq--list.vsk-preset--elevated .vsk-faq__list,
.vsk-faq--list.vsk-preset--tinted .vsk-faq__list {
	--vsk-gap: 0.75rem;
}

.vsk-faq.vsk-preset--elevated .vsk-faq__item[open] {
	box-shadow: var(--vsk-shadow-md);
}

.vsk-faq.vsk-preset--tinted .vsk-faq__item {
	border: 0;
	border-radius: var(--vsk-radius);
	background: var(--vsk-surface-muted);
}

/* Split: section header beside the questions. Stacks on phones. */
.vsk-faq__layout {
	display: block;
}

@media (min-width: 900px) {
	.vsk-faq--split .vsk-faq__layout {
		display: grid;
		grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
		gap: clamp(2rem, 6vw, 6rem);
		align-items: start;
	}

	.vsk-faq--split .vsk-sechead {
		margin-bottom: 0;
	}
}

.vsk-faq--split .vsk-faq__item,
.vsk-faq--split .vsk-faq__question,
.vsk-faq--split .vsk-faq__answer {
	/* same divided rows as the list layout */
	border-radius: 0;
}

.vsk-faq--split .vsk-faq__item {
	border-bottom: 1px solid var(--vsk-border);
}

.vsk-faq--split .vsk-faq__question,
.vsk-faq--split .vsk-faq__answer {
	padding-inline: 0;
}

.vsk-faq--split .vsk-faq__list {
	--vsk-gap: 0;
}

/* Editorial: divided rows in display type with a thin icon. */
.vsk-preset--editorial .vsk-faq__list {
	--vsk-gap: 0;
	border-top: 1px solid var(--vsk-border);
}

.vsk-preset--editorial .vsk-faq__item {
	border: 0;
	border-bottom: 1px solid var(--vsk-border);
	border-radius: 0;
	background: transparent;
}

.vsk-preset--editorial .vsk-faq__question {
	padding: 1.5rem 0;
	font-size: clamp(1.05rem, 0.95rem + 0.4vw, 1.25rem);
}

.vsk-preset--editorial .vsk-faq__answer {
	padding: 0 0 1.5rem;
	max-width: 46rem;
}

.vsk-preset--editorial .vsk-faq__icon {
	color: var(--vsk-color-primary);
}

.vsk-preset--editorial.vsk-faq--icon-plus .vsk-faq__icon::before,
.vsk-preset--editorial.vsk-faq--icon-plus .vsk-faq__icon::after {
	height: 1px;
}