/**
 * FAQ dùng chung cho trang chi tiết sản phẩm và bài blog.
 */
.product-faq-section {
	padding: clamp(48px, 6vw, 76px) 0;
	background: #f8fafc;
}

.product-faq-section__inner {
	display: grid;
	grid-template-columns: minmax(230px, .7fr) minmax(0, 1.3fr);
	gap: clamp(28px, 5vw, 64px);
	align-items: start;
}

.product-faq-section__eyebrow,
.post-faq-section__eyebrow {
	margin: 0 0 8px;
	color: var(--color-primary, #046ab5);
	font: 700 12px/1.4 var(--font-inter, sans-serif);
	letter-spacing: .09em;
	text-transform: uppercase;
}

.product-faq-section__title,
.post-faq-section__title {
	margin: 0;
	color: #131b2e;
	font-family: var(--font-hanken, sans-serif);
	font-size: clamp(25px, 3vw, 38px);
	font-weight: 700;
	line-height: 1.2;
}

.product-faq-section__subtitle {
	max-width: 420px;
	margin: 14px 0 0;
	color: #64748b;
	font: 400 15px/1.7 var(--font-inter, sans-serif);
}

.faq {
	display: grid;
	gap: 12px;
}

.faq__item {
	border: 1px solid #dce4ed;
	border-radius: 10px;
	background: #fff;
	overflow: clip;
	transition: border-color .2s ease, box-shadow .2s ease;
}

.faq__item[open] {
	border-color: rgba(4, 106, 181, .55);
	box-shadow: 0 8px 24px rgba(15, 49, 94, .07);
}

.faq__question {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 17px 19px;
	color: #172437;
	cursor: pointer;
	font: 700 16px/1.45 var(--font-hanken, sans-serif);
	list-style: none;
}

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

.faq__icon {
	display: inline-grid;
	width: 30px;
	height: 30px;
	flex: 0 0 30px;
	place-items: center;
	border-radius: 50%;
	background: #eef5fb;
	color: #046ab5;
	transition: transform .2s ease, color .2s ease, background .2s ease;
}

.faq__item[open] .faq__icon {
	transform: rotate(180deg);
	background: #046ab5;
	color: #fff;
}

.faq__answer {
	padding: 0 19px 18px;
	color: #526071;
	font: 400 15px/1.7 var(--font-inter, sans-serif);
}

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

.post-faq-section {
	margin-top: clamp(34px, 5vw, 52px);
	padding: clamp(22px, 4vw, 32px);
	border: 1px solid #e2e8f0;
	border-radius: 12px;
	background: #f8fafc;
}

.post-faq-section__title {
	margin-bottom: 22px;
	font-size: clamp(22px, 2.5vw, 30px);
}

@media (max-width: 767px) {
	.product-faq-section__inner { grid-template-columns: 1fr; }
	.product-faq-section__intro { text-align: center; }
	.product-faq-section__subtitle { margin-inline: auto; }
	.faq__question { padding: 15px; font-size: 15px; }
	.faq__answer { padding: 0 15px 15px; }
	.post-faq-section { padding: 18px 14px; }
}