/**
 * FAQ / Support — Phase 5.15 premium Support & Answers.
 * Scoped to .nds-faq-support / #nds-faq only.
 */

.nds-faq-support {
	--fsu-ink: #0a1a2a;
	--fsu-muted: #4d6272;
	--fsu-soft: #6a7f8c;
	--fsu-accent: #0d6570;
	--fsu-accent-soft: rgba(13, 101, 112, 0.1);
	--fsu-line: rgba(20, 60, 80, 0.1);
	--fsu-surface: #ffffff;
	--fsu-wash: #f4f8fa;
	--fsu-open: #eef6f7;
	--fsu-radius: 30px;
	--fsu-item-radius: 18px;
	--fsu-ease: cubic-bezier(0.22, 1, 0.36, 1);
	margin: 2.5rem 0 3.25rem;
	padding: 0;
	scroll-margin-top: calc(var(--nds-header-h, 5.25rem) + 0.75rem);
	overflow-x: clip;
}

.nds-faq-support .nds-fsu__panel {
	position: relative;
	isolation: isolate;
	overflow: hidden;
	border-radius: var(--fsu-radius);
	border: 1px solid rgba(140, 175, 190, 0.28);
	background:
		radial-gradient(ellipse 48% 42% at 12% 18%, rgba(90, 170, 185, 0.12), transparent 60%),
		radial-gradient(ellipse 40% 36% at 88% 8%, rgba(70, 150, 170, 0.08), transparent 55%),
		linear-gradient(165deg, #fbfcfd 0%, #f3f7f9 48%, #eef4f6 100%);
	box-shadow:
		0 24px 56px rgba(16, 48, 64, 0.07),
		inset 0 1px 0 rgba(255, 255, 255, 0.9);
	padding: clamp(1.75rem, 3.2vw, 2.85rem) clamp(1.35rem, 3vw, 2.65rem);
	color: var(--fsu-ink);
	max-width: 100%;
}

.nds-fsu__glow {
	position: absolute;
	inset: -10% auto auto -6%;
	width: min(420px, 48%);
	height: 280px;
	background: radial-gradient(circle, rgba(100, 185, 200, 0.18), transparent 70%);
	pointer-events: none;
	z-index: 0;
	filter: blur(8px);
}

.nds-fsu__layout {
	position: relative;
	z-index: 1;
	display: grid;
	grid-template-columns: minmax(0, 0.34fr) minmax(0, 0.66fr);
	gap: clamp(1.5rem, 3vw, 2.75rem);
	align-items: start;
	min-width: 0;
}

/* —— Left intro —— */
.nds-fsu__intro {
	position: relative;
	min-width: 0;
	padding: 0.35rem 0.25rem 0.25rem;
}

.nds-fsu__intro-dots {
	position: absolute;
	inset: -0.5rem -0.75rem auto -0.75rem;
	height: 11rem;
	opacity: 0.055;
	pointer-events: none;
	background-image: radial-gradient(rgba(20, 60, 80, 0.95) 0.7px, transparent 0.7px);
	background-size: 14px 14px;
	mask-image: linear-gradient(180deg, #000 30%, transparent 100%);
}

.nds-fsu__eyebrow {
	position: relative;
	margin: 0 0 0.7rem;
	font-family: var(--nds-font-body, "Figtree", sans-serif);
	font-size: 0.72rem;
	font-weight: 700;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--fsu-accent);
}

.nds-fsu__title {
	position: relative;
	margin: 0 0 0.95rem;
	font-family: var(--nds-font-display, "Source Serif 4", Georgia, serif);
	font-size: clamp(1.9rem, 3.2vw, 3.1rem);
	font-weight: 650;
	line-height: 1.12;
	letter-spacing: -0.03em;
	color: var(--fsu-ink);
	text-wrap: balance;
}

.nds-fsu__lede {
	position: relative;
	margin: 0 0 1.35rem;
	max-width: 28rem;
	font-family: var(--nds-font-body, "Figtree", sans-serif);
	font-size: 1.02rem;
	line-height: 1.62;
	color: var(--fsu-muted);
}

.nds-fsu__assurances {
	position: relative;
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
	margin: 0 0 1.6rem;
	padding: 0;
	list-style: none;
}

.nds-fsu__assurance {
	display: flex;
	align-items: center;
	gap: 0.7rem;
	padding: 0.55rem 0.5rem;
	border-radius: 12px;
	border: 1px solid transparent;
	font-family: var(--nds-font-body, "Figtree", sans-serif);
	font-size: 0.92rem;
	font-weight: 600;
	color: var(--fsu-ink);
	transition:
		background 220ms var(--fsu-ease),
		border-color 220ms var(--fsu-ease);
}

.nds-fsu__assurance:hover,
.nds-fsu__assurance:focus-within {
	background: rgba(255, 255, 255, 0.7);
	border-color: rgba(13, 101, 112, 0.12);
}

.nds-fsu__assurance-ico {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	width: 2rem;
	height: 2rem;
	border-radius: 9px;
	background: var(--fsu-accent-soft);
	border: 1px solid rgba(13, 101, 112, 0.14);
	color: var(--fsu-accent);
	transition: transform 220ms var(--fsu-ease);
}

.nds-fsu__assurance:hover .nds-fsu__assurance-ico {
	transform: translateY(-2px);
}

.nds-fsu__ico {
	width: 1rem;
	height: 1rem;
}

.nds-fsu__help {
	position: relative;
	padding: 1.1rem 1.05rem 1.05rem;
	border-radius: 18px;
	border: 1px solid rgba(140, 175, 190, 0.28);
	background: rgba(255, 255, 255, 0.78);
	box-shadow: 0 10px 28px rgba(16, 48, 64, 0.05);
}

.nds-fsu__help-label {
	margin: 0 0 0.45rem;
	font-family: var(--nds-font-body, "Figtree", sans-serif);
	font-size: 0.68rem;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--fsu-accent);
}

.nds-fsu__help-text {
	margin: 0 0 0.95rem;
	font-family: var(--nds-font-body, "Figtree", sans-serif);
	font-size: 0.9rem;
	line-height: 1.55;
	color: var(--fsu-muted);
}

.nds-fsu__help-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.55rem 0.65rem;
	margin-bottom: 0.85rem;
}

.nds-fsu__cta {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.35rem;
	min-height: 2.75rem;
	padding: 0.65rem 1.05rem;
	border-radius: 999px;
	font-family: var(--nds-font-body, "Figtree", sans-serif);
	font-size: 0.88rem;
	font-weight: 650;
	line-height: 1.2;
	text-decoration: none;
	transition:
		transform 220ms var(--fsu-ease),
		background 220ms var(--fsu-ease),
		border-color 220ms var(--fsu-ease),
		color 220ms var(--fsu-ease),
		box-shadow 220ms var(--fsu-ease);
}

.nds-fsu__cta:focus-visible,
.nds-fsu-item__summary:focus-visible,
.nds-fsu-item__body a:focus-visible,
.nds-fsu__contact a:focus-visible {
	outline: 2px solid var(--fsu-accent);
	outline-offset: 3px;
}

.nds-fsu__cta--primary {
	background: linear-gradient(145deg, #0d6570, #0a5560);
	color: #fff;
	box-shadow: 0 10px 22px rgba(13, 101, 112, 0.22);
}

.nds-fsu__cta--primary:hover,
.nds-fsu__cta--primary:focus-visible {
	background: #084850;
	color: #fff;
	transform: translateY(-1px);
}

.nds-fsu__cta--secondary {
	background: #fff;
	border: 1px solid rgba(20, 60, 80, 0.16);
	color: var(--fsu-ink);
}

.nds-fsu__cta--secondary:hover,
.nds-fsu__cta--secondary:focus-visible {
	border-color: rgba(13, 101, 112, 0.35);
	background: var(--fsu-wash);
}

.nds-fsu__cta-arrow {
	display: inline-block;
	transition: transform 220ms var(--fsu-ease);
}

.nds-fsu__cta:hover .nds-fsu__cta-arrow,
.nds-fsu__cta:focus-visible .nds-fsu__cta-arrow {
	transform: translateX(3px);
}

.nds-fsu__contact {
	margin: 0;
	font-family: var(--nds-font-body, "Figtree", sans-serif);
	font-size: 0.82rem;
	line-height: 1.45;
	color: var(--fsu-soft);
}

.nds-fsu__contact a {
	color: var(--fsu-accent);
	text-decoration: none;
	font-weight: 600;
}

.nds-fsu__contact a:hover,
.nds-fsu__contact a:focus-visible {
	text-decoration: underline;
}

.nds-fsu__contact-sep {
	margin: 0 0.35rem;
	opacity: 0.55;
}

/* —— FAQ list —— */
.nds-fsu__faq {
	min-width: 0;
}

.nds-fsu__list {
	display: flex;
	flex-direction: column;
	gap: 0.7rem;
	margin: 0;
	padding: 0;
}

.nds-fsu-item {
	margin: 0;
	border-radius: var(--fsu-item-radius);
	border: 1px solid rgba(20, 60, 80, 0.1);
	background: var(--fsu-surface);
	box-shadow: 0 1px 2px rgba(10, 26, 42, 0.03);
	overflow: clip;
	transition:
		border-color 220ms var(--fsu-ease),
		background 220ms var(--fsu-ease),
		box-shadow 220ms var(--fsu-ease);
}

.nds-fsu-item:hover {
	border-color: rgba(13, 101, 112, 0.22);
	box-shadow: 0 8px 22px rgba(16, 48, 64, 0.05);
}

.nds-fsu-item[open] {
	border-color: rgba(13, 101, 112, 0.28);
	background: var(--fsu-open);
	box-shadow: 0 10px 26px rgba(16, 48, 64, 0.06);
}

.nds-fsu-item__summary {
	display: grid;
	grid-template-columns: auto auto minmax(0, 1fr) auto;
	align-items: center;
	gap: 0.65rem 0.75rem;
	min-height: 3.35rem;
	padding: 0.95rem 1rem 0.95rem 1.05rem;
	cursor: pointer;
	list-style: none;
	font-family: var(--nds-font-body, "Figtree", sans-serif);
}

.nds-fsu-item__summary::-webkit-details-marker,
.nds-fsu-item__summary::marker {
	display: none;
	content: "";
}

.nds-fsu-item__num {
	font-size: 0.72rem;
	font-weight: 750;
	letter-spacing: 0.06em;
	color: var(--fsu-accent);
	min-width: 1.4rem;
}

.nds-fsu-item__ico {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 1.85rem;
	height: 1.85rem;
	border-radius: 8px;
	background: var(--fsu-accent-soft);
	color: var(--fsu-accent);
	flex-shrink: 0;
}

.nds-fsu-item__main {
	display: flex;
	flex-direction: column;
	gap: 0.18rem;
	min-width: 0;
}

.nds-fsu-item__cat {
	font-size: 0.62rem;
	font-weight: 700;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: rgba(13, 101, 112, 0.78);
}

.nds-fsu-item__q {
	font-family: var(--nds-font-display, "Source Serif 4", Georgia, serif);
	font-size: clamp(1.02rem, 1.35vw, 1.22rem);
	font-weight: 650;
	line-height: 1.3;
	color: var(--fsu-ink);
	transition: color 220ms var(--fsu-ease);
}

.nds-fsu-item:hover .nds-fsu-item__q,
.nds-fsu-item[open] .nds-fsu-item__q {
	color: #063840;
}

.nds-fsu-item__toggle {
	position: relative;
	width: 1.65rem;
	height: 1.65rem;
	border-radius: 999px;
	border: 1px solid rgba(13, 101, 112, 0.22);
	background: #fff;
	flex-shrink: 0;
	transition:
		background 220ms var(--fsu-ease),
		border-color 220ms var(--fsu-ease),
		transform 220ms var(--fsu-ease);
}

.nds-fsu-item__toggle::before,
.nds-fsu-item__toggle::after {
	content: "";
	position: absolute;
	top: 50%;
	left: 50%;
	background: var(--fsu-accent);
	border-radius: 1px;
	transition: transform 220ms var(--fsu-ease), opacity 220ms var(--fsu-ease);
}

.nds-fsu-item__toggle::before {
	width: 0.65rem;
	height: 1.5px;
	transform: translate(-50%, -50%);
}

.nds-fsu-item__toggle::after {
	width: 1.5px;
	height: 0.65rem;
	transform: translate(-50%, -50%);
}

.nds-fsu-item[open] .nds-fsu-item__toggle {
	background: var(--fsu-accent);
	border-color: var(--fsu-accent);
}

.nds-fsu-item[open] .nds-fsu-item__toggle::before,
.nds-fsu-item[open] .nds-fsu-item__toggle::after {
	background: #fff;
}

.nds-fsu-item[open] .nds-fsu-item__toggle::after {
	opacity: 0;
	transform: translate(-50%, -50%) rotate(90deg) scaleY(0.2);
}

.nds-fsu-item__body {
	padding: 0 1.1rem 1.1rem 3.55rem;
	border-top: 1px solid rgba(13, 101, 112, 0.12);
	margin-top: 0;
}

.nds-fsu-item__body p {
	margin: 0.85rem 0 0;
	font-family: var(--nds-font-body, "Figtree", sans-serif);
	font-size: 0.95rem;
	line-height: 1.65;
	color: var(--fsu-muted);
}

.nds-fsu-item__body p:first-child {
	margin-top: 0.9rem;
}

.nds-fsu-item__body a {
	font-weight: 650;
	color: var(--fsu-accent);
	text-decoration: none;
	border-bottom: 1px solid rgba(13, 101, 112, 0.25);
}

.nds-fsu-item__body a:hover,
.nds-fsu-item__body a:focus-visible {
	border-bottom-color: var(--fsu-accent);
}

/* Hide legacy FAQ styles if any leftover class leaks */
.nds-faq-support .nds-faq__list {
	display: none !important;
}

/* —— Responsive —— */
@media (max-width: 1024px) {
	.nds-fsu__layout {
		grid-template-columns: 1fr;
		gap: 1.5rem;
	}

	.nds-fsu__lede {
		max-width: none;
	}

	.nds-fsu-item__body {
		padding-left: 1.1rem;
	}
}

@media (max-width: 768px) {
	.nds-faq-support {
		margin: 2rem 0 2.5rem;
	}

	.nds-faq-support .nds-fsu__panel {
		padding: 1.45rem 1.1rem 1.35rem;
		border-radius: 24px;
	}

	.nds-fsu__title {
		font-size: clamp(1.75rem, 6.5vw, 2.25rem);
	}

	.nds-fsu__help-actions {
		flex-direction: column;
		align-items: stretch;
	}

	.nds-fsu__cta {
		width: 100%;
	}

	.nds-fsu__contact {
		display: flex;
		flex-direction: column;
		gap: 0.25rem;
	}

	.nds-fsu__contact-sep {
		display: none;
	}

	.nds-fsu-item__summary {
		grid-template-columns: auto minmax(0, 1fr) auto;
		gap: 0.55rem 0.65rem;
		padding: 0.9rem 0.85rem;
	}

	.nds-fsu-item__ico {
		display: none;
	}

	.nds-fsu-item__q {
		font-size: 1.05rem;
	}
}

@media (max-width: 400px) {
	.nds-fsu-item__num {
		font-size: 0.68rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	.nds-fsu__assurance,
	.nds-fsu__assurance-ico,
	.nds-fsu__cta,
	.nds-fsu__cta-arrow,
	.nds-fsu-item,
	.nds-fsu-item__q,
	.nds-fsu-item__toggle,
	.nds-fsu-item__toggle::before,
	.nds-fsu-item__toggle::after {
		transition: none;
	}

	.nds-fsu__assurance:hover .nds-fsu__assurance-ico,
	.nds-fsu__cta:hover,
	.nds-fsu__cta:focus-visible {
		transform: none;
	}

	.nds-fsu__cta:hover .nds-fsu__cta-arrow,
	.nds-fsu__cta:focus-visible .nds-fsu__cta-arrow {
		transform: none;
	}
}