/**
 * Shared FAQ accordion UI — used on service, city, industry, contact, etc.
 */

.sl-faq-ui {
	--sl-faq-accent: var(--sl-service-accent, hsl(var(--primary)));
	padding-top: clamp(2.5rem, 5vw, 4rem);
	padding-bottom: clamp(2.5rem, 5vw, 4rem);
	background:
		radial-gradient(circle at 8% 20%, color-mix(in srgb, var(--sl-faq-accent) 10%, transparent), transparent 42%),
		hsl(var(--background));
}

.sl-faq-ui__layout {
	display: grid;
	grid-template-columns: minmax(240px, 0.78fr) minmax(0, 1.22fr);
	gap: clamp(1.75rem, 4vw, 3.25rem);
	align-items: start;
}

.sl-faq-ui__intro {
	position: sticky;
	top: 6rem;
}

.sl-faq-ui__intro .softlance-section-label {
	display: inline-block;
	margin-bottom: .75rem;
}

.sl-faq-ui__intro .softlance-section-title {
	margin: 0 0 .85rem;
	text-align: left;
	max-width: 16ch;
	font-size: clamp(1.75rem, 3vw, 2.35rem);
	line-height: 1.15;
	letter-spacing: -0.02em;
}

.sl-faq-ui__lead {
	margin: 0 0 1.35rem;
	max-width: 36ch;
	color: hsl(var(--muted-foreground));
	font-size: .975rem;
	line-height: 1.7;
}

.sl-faq-ui__cta {
	display: inline-flex;
}

.sl-faq-ui__list {
	display: flex;
	flex-direction: column;
	gap: .7rem;
	margin: 0;
}

.sl-faq-ui__item {
	border-radius: 1rem;
	border: 1px solid hsl(var(--border));
	background: hsl(var(--card));
	overflow: hidden;
	transition: border-color .2s ease, box-shadow .2s ease, background .2s ease, transform .2s ease;
}

.sl-faq-ui__item:hover {
	border-color: color-mix(in srgb, var(--sl-faq-accent) 28%, hsl(var(--border)));
}

.sl-faq-ui__item[open] {
	border-color: color-mix(in srgb, var(--sl-faq-accent) 42%, hsl(var(--border)));
	box-shadow: 0 14px 34px rgba(15, 23, 42, .07);
	background: hsl(var(--card));
}

.sl-faq-ui__question {
	display: grid;
	grid-template-columns: auto 1fr auto;
	align-items: center;
	gap: .85rem;
	padding: 1.05rem 1.15rem;
	cursor: pointer;
	list-style: none;
	font-weight: 650;
	color: hsl(var(--foreground));
	font-size: .975rem;
	line-height: 1.4;
}

.sl-faq-ui__question::-webkit-details-marker { display: none; }
.sl-faq-ui__question::marker { content: ''; }

.sl-faq-ui__question:focus-visible {
	outline: 2px solid var(--sl-faq-accent);
	outline-offset: 2px;
}

.sl-faq-ui__index {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 2rem;
	height: 2rem;
	padding: 0 .35rem;
	border-radius: .55rem;
	background: color-mix(in srgb, var(--sl-faq-accent) 12%, transparent);
	color: var(--sl-faq-accent);
	font-size: .75rem;
	font-weight: 800;
	letter-spacing: .04em;
}

.sl-faq-ui__item[open] .sl-faq-ui__index {
	background: var(--sl-faq-accent);
	color: #fff;
}

.sl-faq-ui__question-text {
	min-width: 0;
}

.sl-faq-ui__icon {
	width: 1.75rem;
	height: 1.75rem;
	border-radius: .5rem;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	background: hsl(var(--muted));
	color: hsl(var(--foreground));
	transition: background .2s ease, color .2s ease, transform .2s ease;
	flex-shrink: 0;
}

.sl-faq-ui__icon::before {
	content: '+';
	font-size: 1.05rem;
	font-weight: 700;
	line-height: 1;
}

.sl-faq-ui__item[open] .sl-faq-ui__icon {
	background: var(--sl-faq-accent);
	color: #fff;
	transform: rotate(180deg);
}

.sl-faq-ui__item[open] .sl-faq-ui__icon::before {
	content: '−';
}

.sl-faq-ui__answer {
	padding: 0 1.15rem 1.15rem 3.95rem;
	animation: sl-faq-ui-reveal .22s ease;
}

.sl-faq-ui__answer p {
	margin: 0 0 .75rem;
	color: hsl(var(--muted-foreground));
	line-height: 1.75;
	font-size: .9375rem;
	max-width: 58ch;
}

.sl-faq-ui__answer p:last-child {
	margin-bottom: 0;
}

@keyframes sl-faq-ui-reveal {
	from { opacity: 0; transform: translateY(-4px); }
	to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
	.sl-faq-ui__answer,
	.sl-faq-ui__item,
	.sl-faq-ui__icon {
		animation: none !important;
		transition: none !important;
	}
}

@media (max-width: 960px) {
	.sl-faq-ui__layout {
		grid-template-columns: 1fr;
		gap: 1.5rem;
	}
	.sl-faq-ui__intro {
		position: static;
	}
	.sl-faq-ui__intro .softlance-section-title {
		max-width: 20ch;
	}
}

@media (max-width: 640px) {
	.sl-faq-ui__question {
		gap: .65rem;
		padding: .95rem 1rem;
	}
	.sl-faq-ui__answer {
		padding-left: 1rem;
	}
	.sl-faq-ui__cta {
		width: 100%;
		justify-content: center;
	}
}

/* Legacy class aliases (older markup / cached HTML) */
.sl-service-faq,
.sl-city-faq,
.sl-industry-faq,
.sl-city-service-faq {
	--sl-faq-accent: var(--sl-service-accent, hsl(var(--primary)));
}