/* ==========================================================================
   Blok 10: Akordeon FAQ
   ========================================================================== */

.faq-section {
	background: var(--paper);
	padding: var(--section-y) 0;
}

/* Header */
.faq-head {
	margin-bottom: var(--space-6);
}

.faq-section .chapter {
	display: flex;
	align-items: center;
	gap: 10px;
	margin: 0 0 var(--space-2);
}

.faq-section .chapter__num {
	font-family: var(--display);
	font-style: italic;
	font-size: var(--text-eyebrow);
	color: var(--karmel);
	letter-spacing: 0.1em;
}

.faq-section .chapter__label {
	font-family: var(--body);
	font-size: var(--text-eyebrow);
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--espresso);
}

.faq-title {
	font-family: var(--display);
	font-weight: 350;
	font-variation-settings: "opsz" 144;
	font-size: var(--text-h2);
	line-height: 1;
	margin: 0 0 var(--space-3);
	letter-spacing: -0.02em;
	color: var(--ink);
}

.faq-title em {
	font-style: italic;
	color: var(--karmel);
	font-weight: 300;
}

.faq-intro {
	font-size: var(--text-body);
	line-height: 1.6;
	color: var(--espresso);
	max-width: 56ch;
	margin: 0;
}

/* Category filter buttons */
.faq-cats {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-1);
	margin-bottom: var(--space-5);
}

.filter-btn {
	background: transparent;
	border: var(--border-mid);
	padding: 8px 18px;
	font-size: 12px;
	font-family: var(--body);
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--ink);
	cursor: pointer;
	transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.filter-btn.active,
.filter-btn:hover {
	background: var(--ink);
	color: var(--cream-50);
	border-color: var(--ink);
}

/* List */
.faq-list {
	list-style: none;
	margin: 0;
	padding: 0;
	border-top: var(--border-subtle);
}

.faq-item {
	border-bottom: var(--border-subtle);
}

/* Trigger */
.faq-trigger {
	width: 100%;
	background: none;
	border: 0;
	padding: var(--space-4) 0;
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: var(--space-4);
	text-align: left;
	cursor: pointer;
	color: var(--ink);
	font-family: var(--display);
	font-style: italic;
	font-weight: 350;
	font-variation-settings: "opsz" 60;
	font-size: var(--text-h4);
	line-height: 1.2;
	letter-spacing: -0.01em;
	transition: color 0.25s ease;
}

.faq-trigger:hover {
	color: var(--karmel);
}

/* Plus/close icon */
.faq-trigger .icon {
	width: 24px;
	height: 24px;
	border-radius: 50%;
	border: var(--border-mid);
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	transition: transform 0.4s var(--ease-out-expo), background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
	color: var(--ink);
}

.faq-trigger .icon svg {
	width: 12px;
	height: 12px;
	stroke: currentColor;
	stroke-width: 2;
	fill: none;
	display: block;
}

/* Open state */
.faq-item.is-open .faq-trigger {
	color: var(--karmel);
}

.faq-item.is-open .faq-trigger .icon {
	background: var(--karmel);
	color: var(--cream-50);
	border-color: var(--karmel);
	transform: rotate(45deg);
}

/* Body */
.faq-body {
	padding: 0 var(--space-2) var(--space-4);
}

/* override hidden attribute — only shown when .is-open */
.faq-body[hidden] {
	display: none;
}

.faq-body.is-open {
	display: block;
}

.faq-body-inner p {
	margin: 0 0 16px;
	font-size: var(--text-body);
	line-height: 1.65;
	color: var(--espresso);
	max-width: 72ch;
}

.faq-body-inner p:last-child {
	margin-bottom: 0;
}

.faq-body-inner a {
	color: var(--karmel);
	text-decoration: underline;
}

.faq-body-inner a:hover {
	color: var(--espresso);
}

.faq-body-inner ul,
.faq-body-inner ol {
	padding-left: 20px;
	margin: 0 0 16px;
}

.faq-body-inner li {
	font-size: var(--text-body);
	line-height: 1.65;
	color: var(--espresso);
	margin-bottom: 6px;
}

/* Responsive */
@media (max-width: 640px) {
	.faq-trigger {
		font-size: clamp(18px, 4vw, 24px);
	}

	.faq-cats {
		gap: 8px;
	}
}

/* Reveal animation
 * UWAGA: globalne `.reveal` / `.reveal.in` (dl-system.css + dl-main.js)
 * obsługuje fade-in scroll triggera. Tutaj NIE duplikujemy logiki opacity
 * — wcześniejszy kod używał klasy `.is-visible` której JS nigdy nie dodaje,
 * więc sekcje zostawały na opacity:0 mimo dodania `.in`. Tylko transition-delay
 * dla bezpiecznej stagger animation.
 */
.faq-section .faq-cats.reveal {
	transition-delay: 0.1s;
}

.faq-section .faq-list.reveal {
	transition-delay: 0.18s;
}