/* =========================================================================
   Classic Corporate — Features (Tabbed)   [section: features]
   Stacked-cards layout, max-w-4xl, min-height 60vh, single column.
   Mesh-gradient background on dark ink + radial-dark overlay vignette,
   sm shadow, full radius on chips/CTA. 3xl heading (weight 600,
   tracking -0.03em), RIGHT aligned, 2xl subheading.
   Entrance: scale-in (300ms, 100ms stagger) + zoom-on-scroll reveal;
   card hover = color-shift, CTA hover = fill-sweep.
   All values come from design-tokens.css — no hard-coded hex.
   ========================================================================= */

.cc-features {
	--cc-max: 56rem; /* max-w-4xl */
	--cc-dur: var(--duration-normal); /* 300ms */
	--cc-stagger: 100ms;
	position: relative;
	isolation: isolate;
	overflow: hidden;
	min-height: 60vh;
	padding-block: var(--space-section);
	background-color: var(--color-surface-dark);
	color: var(--color-on-dark);
	font-family: var(--font-body);
}

/* ---- Mesh-gradient background ------------------------------------------- */
.cc-features__bg {
	position: absolute;
	inset: 0;
	z-index: -2;
	pointer-events: none;
	background:
		radial-gradient(45% 55% at 82% 8%, rgba(var(--color-primary-rgb), 0.42), transparent 60%),
		radial-gradient(40% 55% at 12% 20%, rgba(var(--color-accent-rgb), 0.24), transparent 62%),
		radial-gradient(55% 60% at 90% 92%, rgba(var(--color-primary-rgb), 0.30), transparent 60%),
		radial-gradient(45% 55% at 8% 96%, rgba(var(--color-accent-rgb), 0.16), transparent 60%),
		var(--color-surface-dark);
}

/* ---- Radial-dark overlay (vignette keeps type legible) ----------------- */
.cc-features__overlay {
	position: absolute;
	inset: 0;
	z-index: -1;
	pointer-events: none;
	background: radial-gradient(120% 90% at 50% 40%, transparent 30%, rgba(11, 13, 16, 0.72) 100%);
}

/* ---- Inner container --------------------------------------------------- */
.cc-features__inner {
	width: 100%;
	max-width: var(--cc-max);
	margin-inline: auto;
	padding-inline: var(--container-padding);
}

/* ---- Header (right aligned) -------------------------------------------- */
.cc-features__head {
	margin-bottom: var(--space-10);
	text-align: right;
	margin-left: auto;
	max-width: 42rem;
}

.cc-features__eyebrow {
	display: inline-block;
	margin: 0 0 var(--space-4);
	font-family: var(--font-heading);
	font-size: var(--text-sm);
	font-weight: var(--weight-semibold);
	letter-spacing: var(--letter-wide);
	text-transform: uppercase;
	color: var(--color-primary-300);
}

.cc-features__title {
	margin: 0 0 var(--space-4);
	font-family: var(--font-heading);
	font-size: var(--text-3xl); /* 3xl */
	font-weight: var(--weight-semibold); /* 600 */
	line-height: var(--leading-tight);
	letter-spacing: var(--letter-tight); /* -0.03em */
	color: var(--color-on-dark);
	text-wrap: balance;
}

.cc-features__subtitle {
	margin: 0 0 0 auto;
	max-width: 40rem;
	font-size: var(--text-2xl); /* 2xl subheading */
	line-height: var(--leading-snug);
	color: rgba(255, 255, 255, 0.74);
}

/* ---- Tabbed interface -------------------------------------------------- */
.cc-features__tabs {
	display: grid;
	grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
	gap: var(--space-8);
	align-items: start;
}

/* ---- Tablist (aside) --------------------------------------------------- */
.cc-features__tablist {
	display: flex;
	flex-direction: column;
	gap: var(--space-2);
}

.cc-features__tab {
	display: flex;
	align-items: center;
	gap: var(--space-3);
	width: 100%;
	padding: var(--space-3) var(--space-4);
	font-family: var(--font-heading);
	font-size: var(--text-base);
	font-weight: var(--weight-medium);
	text-align: left;
	color: rgba(255, 255, 255, 0.72);
	background: rgba(255, 255, 255, 0.05);
	border: 1px solid rgba(255, 255, 255, 0.10);
	border-radius: var(--radius-full); /* full radius */
	box-shadow: var(--shadow-sm); /* sm shadow */
	cursor: pointer;
	/* Card hover = color-shift */
	transition:
		color var(--cc-dur) var(--ease-default),
		background-color var(--cc-dur) var(--ease-default),
		border-color var(--cc-dur) var(--ease-default);
}

.cc-features__tab:hover {
	color: var(--color-on-dark);
	background: rgba(var(--color-primary-rgb), 0.22);
	border-color: rgba(var(--color-primary-rgb), 0.55);
}

.cc-features__tab.is-active {
	color: var(--color-on-dark);
	background: var(--color-primary-500);
	border-color: var(--color-primary-400);
}

.cc-features__tab-icon {
	display: inline-grid;
	place-items: center;
	flex: 0 0 auto;
	color: currentColor;
}

.cc-features__tab-label {
	min-width: 0;
}

/* ---- Panels ------------------------------------------------------------ */
.cc-features__panels {
	position: relative;
	min-width: 0;
}

.cc-features__panel {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	overflow: hidden;
	background: var(--color-surface-dark-elev);
	border: 1px solid rgba(255, 255, 255, 0.08);
	border-radius: var(--radius-2xl); /* full-feel radius on the card */
	box-shadow: var(--shadow-sm); /* sm shadow */
}

.cc-features__panel[hidden] {
	display: none;
}

/* Scale-in / zoom-on-scroll — the active panel eases up from a slight zoom. */
.cc-features__panel.is-active {
	animation: cc-features-zoom-in var(--duration-slow) var(--ease-out) both;
}

@keyframes cc-features-zoom-in {
	from {
		opacity: 0;
		transform: scale(0.96);
	}
	to {
		opacity: 1;
		transform: scale(1);
	}
}

.cc-features__media {
	aspect-ratio: 16 / 9;
	overflow: hidden;
	background: var(--color-surface-strong);
}

.cc-features__img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transform: scale(1.04);
	transition: transform var(--duration-slower) var(--ease-out);
}

.cc-features__panel.is-active .cc-features__img {
	transform: scale(1);
}

.cc-features__body {
	padding: var(--space-8) var(--space-8) var(--space-8);
}

.cc-features__panel-icon {
	display: inline-grid;
	place-items: center;
	width: 3rem;
	height: 3rem;
	margin-bottom: var(--space-4);
	color: var(--color-on-primary);
	background: var(--color-primary-500);
	border-radius: var(--radius-full);
	box-shadow: var(--shadow-glow);
}

.cc-features__panel-title {
	margin: 0 0 var(--space-3);
	font-family: var(--font-heading);
	font-size: var(--text-xl);
	font-weight: var(--weight-semibold);
	letter-spacing: var(--letter-snug);
	color: var(--color-on-dark);
}

.cc-features__panel-text {
	margin: 0;
	font-size: var(--text-base);
	line-height: var(--leading-normal);
	color: rgba(255, 255, 255, 0.74);
	max-width: 60ch;
}

/* ---- CTA (fill-sweep on hover) ----------------------------------------- */
.cc-features__cta-group {
	margin-top: var(--space-10);
	text-align: right;
}

.cc-features__cta {
	position: relative;
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
	padding: 16px 26px;
	overflow: hidden;
	font-family: var(--font-heading);
	font-weight: var(--weight-semibold);
	font-size: var(--text-base);
	color: var(--color-on-dark);
	background: var(--color-cta);
	border-radius: var(--radius-full); /* full radius */
	text-decoration: none;
	isolation: isolate;
	transition:
		color var(--cc-dur) var(--ease-default),
		box-shadow var(--cc-dur) var(--ease-default);
}

/* Fill-sweep: amber fill wipes across from the left on hover. */
.cc-features__cta::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	background: var(--color-accent-500);
	transform: scaleX(0);
	transform-origin: left center;
	transition: transform var(--cc-dur) var(--ease-default);
}

.cc-features__cta:hover,
.cc-features__cta:focus-visible {
	color: var(--color-ink);
	box-shadow: var(--shadow-md);
}

.cc-features__cta:hover::before,
.cc-features__cta:focus-visible::before {
	transform: scaleX(1);
}

.cc-features__cta-arrow {
	transition: transform var(--cc-dur) var(--ease-default);
}

.cc-features__cta:hover .cc-features__cta-arrow,
.cc-features__cta:focus-visible .cc-features__cta-arrow {
	transform: translateX(5px);
}

/* ---- Focus-visible ----------------------------------------------------- */
.cc-features__tab:focus-visible,
.cc-features__cta:focus-visible {
	outline: 2px solid var(--color-primary-300);
	outline-offset: 2px;
}

/* ---- Entrance: scale-in with stagger ----------------------------------- */
[data-cc-anim] {
	opacity: 0;
	transform: scale(0.94);
}

.cc-features.is-visible [data-cc-anim] {
	opacity: 1;
	transform: none;
	transition:
		opacity var(--cc-dur) var(--ease-out),
		transform var(--cc-dur) var(--ease-out);
	transition-delay: calc(var(--cc-delay, 0) * var(--cc-stagger));
}

/* ---- Responsive: tablet = single-col ----------------------------------- */
@media (max-width: 900px) {
	.cc-features__tabs {
		grid-template-columns: minmax(0, 1fr);
		gap: var(--space-6);
	}

	.cc-features__tablist {
		flex-direction: row;
		flex-wrap: wrap;
	}

	.cc-features__tab {
		width: auto;
	}
}

/* ---- Responsive: mobile = hidden-aside (stacked cards, no tabs) -------- */
@media (max-width: 600px) {
	.cc-features__head {
		text-align: left;
		margin-left: 0;
	}

	.cc-features__cta-group {
		text-align: left;
	}

	.cc-features__tablist {
		display: none; /* hidden-aside */
	}

	.cc-features__panels {
		display: flex;
		flex-direction: column;
		gap: var(--space-5);
	}

	/* Every panel becomes a visible stacked card. */
	.cc-features__panel,
	.cc-features__panel[hidden] {
		display: grid;
		animation: none;
	}

	.cc-features__img {
		transform: none;
	}
}

/* ---- Reduced motion ---------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
	[data-cc-anim],
	.cc-features.is-visible [data-cc-anim] {
		opacity: 1;
		transform: none;
		transition: none;
	}

	.cc-features__panel.is-active {
		animation: none;
	}

	.cc-features__img,
	.cc-features__panel.is-active .cc-features__img {
		transform: none;
		transition: none;
	}
}