/**
 * SignalMind — Market insights and closing call to action
 *
 * An editorial block: search and category chips, one featured article beside a
 * column of compact cards, then a newsletter band and the closing CTA.
 * Loaded on the front page only.
 *
 * @package SignalMind
 */

/* ==========================================================================
   Section
   ========================================================================== */

.sm-insights {
	position: relative;
	isolation: isolate;
	overflow: hidden;
}

.sm-insights__bg {
	position: absolute;
	inset: 0;
	z-index: var(--sm-z-behind);
	pointer-events: none;
}

.sm-insights__orb {
	position: absolute;
	top: 4%;
	left: 50%;
	width: min(68rem, 130%);
	aspect-ratio: 2 / 1;
	transform: translateX(-50%);
	background: radial-gradient(ellipse at center, var(--sm-alpha-accent-8) 0%, transparent 68%);
}

.sm-insights__head {
	margin-bottom: var(--sm-space-10);
}

.sm-insights__dot {
	color: var(--sm-color-text-disabled);
}

/* ==========================================================================
   Search and categories
   ========================================================================== */

.sm-insights__filters {
	display: flex;
	flex-direction: column;
	gap: var(--sm-space-5);
	margin-bottom: var(--sm-space-10);
	padding-bottom: var(--sm-space-8);
	border-bottom: var(--sm-border-width) solid var(--sm-color-divider);
}

.sm-insights__search {
	position: relative;
	display: flex;
	align-items: stretch;
	gap: var(--sm-space-2);
	width: 100%;
	max-width: 34rem;
	margin-inline: auto;
}

.sm-insights__search-icon {
	position: absolute;
	top: 50%;
	left: var(--sm-space-4);
	transform: translateY(-50%);
	display: grid;
	place-items: center;
	color: var(--sm-color-text-subtle);
	pointer-events: none;
	z-index: var(--sm-z-raised);
}

/*
 * Scoped to the form so it outranks the component layer's
 * `input[type="search"]` selector, which is specificity 0-1-1 and would
 * otherwise keep its own padding and drop the icon onto the placeholder.
 */
.sm-insights__search .sm-insights__search-input {
	flex: 1 1 auto;
	min-width: 0;
	min-height: var(--sm-control-height-lg);
	padding-left: var(--sm-space-11);
	background-color: var(--sm-color-surface);
	border-radius: var(--sm-radius-pill);
	font-size: var(--sm-text-base);
}

.sm-insights__search-submit {
	flex: none;
	min-height: var(--sm-control-height-lg);
	border-radius: var(--sm-radius-pill);
	padding-inline: var(--sm-space-6);
}

.sm-insights__chips {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: var(--sm-space-2);
}

.sm-chip {
	display: inline-flex;
	align-items: center;
	gap: var(--sm-space-2);
	padding: var(--sm-space-2) var(--sm-space-4);
	border: var(--sm-border-width) solid var(--sm-color-border);
	border-radius: var(--sm-radius-pill);
	background-color: var(--sm-alpha-white-2);
	font-size: var(--sm-text-sm);
	font-weight: var(--sm-weight-medium);
	color: var(--sm-color-text-secondary);
	transition: var(--sm-transition-colors), var(--sm-transition-transform);
}

.sm-chip:hover {
	border-color: var(--sm-color-border-brand);
	background-color: var(--sm-color-primary-subtle);
	color: var(--sm-color-primary);
	transform: translateY(-1px);
}

.sm-chip__count {
	font-size: var(--sm-text-2xs);
	font-variant-numeric: tabular-nums;
	color: var(--sm-color-text-disabled);
}

.sm-chip:hover .sm-chip__count {
	color: var(--sm-color-primary);
}

/* ==========================================================================
   Article grid
   ========================================================================== */

.sm-insights__grid {
	display: grid;
	gap: var(--sm-grid-gap);
	grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 1024px) {
	.sm-insights__grid {
		grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
		gap: var(--sm-space-8);
	}

	/* The lead story is alone on the page — nothing to sit beside, so it takes
	   the full width rather than leaving a hole. */
	.sm-insights__grid--solo {
		grid-template-columns: minmax(0, 1fr);
	}
}

/* Shared glass shell. */
.sm-feature,
.sm-acard,
.sm-newsblock {
	position: relative;
	border-radius: var(--sm-radius-2xl);
	background-color: var(--sm-color-surface-glass);
	backdrop-filter: blur(var(--sm-blur-md));
	-webkit-backdrop-filter: blur(var(--sm-blur-md));
	box-shadow: var(--sm-shadow-lg);
	transition: transform var(--sm-duration-base) var(--sm-ease-out),
		box-shadow var(--sm-duration-base) var(--sm-ease-standard);
}

.sm-feature::before,
.sm-acard::before,
.sm-newsblock::before {
	content: "";
	position: absolute;
	inset: 0;
	padding: 1px;
	border-radius: inherit;
	background: linear-gradient(150deg, var(--sm-alpha-white-16), var(--sm-alpha-white-4) 42%, transparent 64%, var(--sm-alpha-primary-24));
	mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
	mask-composite: exclude;
	-webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
	-webkit-mask-composite: xor;
	pointer-events: none;
	z-index: var(--sm-z-raised);
}

/* ==========================================================================
   Featured article
   ========================================================================== */

.sm-feature {
	display: flex;
	flex-direction: column;
	overflow: hidden;
}

.sm-feature:hover {
	transform: translateY(-3px);
	box-shadow: var(--sm-shadow-xl), 0 0 44px -18px var(--sm-alpha-primary-40);
}

.sm-feature__media {
	position: relative;
	display: block;
	aspect-ratio: 16 / 9;
	overflow: hidden;
	background-color: var(--sm-color-surface-sunken);
}

.sm-feature__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	border-radius: 0;
	transition: transform var(--sm-duration-slower) var(--sm-ease-out);
}

.sm-feature:hover .sm-feature__media img {
	transform: scale(1.035);
}

.sm-feature__body {
	display: flex;
	flex-direction: column;
	gap: var(--sm-space-4);
	padding: var(--sm-space-7);
	flex: 1 1 auto;
}

/* With no image the card still stretches to the height of the card column
   beside it. Centring the whole block reads as deliberate; leaving the CTA
   pinned to the bottom just looks like a gap. */
.sm-feature--no-media .sm-feature__body {
	justify-content: center;
	padding-block: var(--sm-space-10);
}

.sm-feature--no-media .sm-feature__cta {
	margin-top: var(--sm-space-2);
}

.sm-feature__meta,
.sm-acard__meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--sm-space-2) var(--sm-space-3);
	font-size: var(--sm-text-xs);
	color: var(--sm-color-text-subtle);
}

/* Category pill, distinct from the filter chips above so the two never read as
   the same control. */
.sm-tagline {
	display: inline-flex;
	padding: var(--sm-space-1) var(--sm-space-2-5);
	border-radius: var(--sm-radius-sm);
	background-color: var(--sm-color-primary-subtle);
	font-size: var(--sm-text-2xs);
	font-weight: var(--sm-weight-bold);
	letter-spacing: var(--sm-tracking-wider);
	text-transform: uppercase;
	color: var(--sm-color-primary);
	transition: var(--sm-transition-colors);
}

.sm-tagline:hover {
	background-color: var(--sm-alpha-primary-24);
	color: var(--sm-color-primary-hover);
}

.sm-feature__title {
	font-size: var(--sm-text-h2);
	font-weight: var(--sm-weight-bold);
	line-height: var(--sm-leading-tight);
	letter-spacing: var(--sm-tracking-tight);
	color: var(--sm-color-text);
	text-wrap: balance;
}

.sm-feature__title a {
	color: inherit;
	transition: var(--sm-transition-colors);
}

/* The whole card is the target; the title is the one tab stop. */
.sm-feature__title a::after {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: inherit;
}

.sm-feature:hover .sm-feature__title a {
	color: var(--sm-color-primary);
}

.sm-feature__excerpt {
	font-size: var(--sm-text-md);
	line-height: var(--sm-leading-relaxed);
	color: var(--sm-color-text-muted);
	max-width: var(--sm-measure);
}

.sm-feature__cta {
	display: inline-flex;
	align-items: center;
	gap: var(--sm-space-2);
	margin-top: auto;
	padding-top: var(--sm-space-2);
	font-size: var(--sm-text-sm);
	font-weight: var(--sm-weight-semibold);
	color: var(--sm-color-primary);
}

.sm-feature__cta .sm-icon {
	transition: var(--sm-transition-transform);
}

.sm-feature:hover .sm-feature__cta .sm-icon {
	transform: translateX(4px);
}

/* ==========================================================================
   Article cards
   ========================================================================== */

.sm-insights__list {
	display: grid;
	gap: var(--sm-space-4);
	align-content: start;
}

@media (min-width: 560px) and (max-width: 1023px) {
	.sm-insights__list {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

.sm-acard {
	display: flex;
	align-items: stretch;
	gap: var(--sm-space-4);
	padding: var(--sm-space-4);
	overflow: hidden;
}

.sm-acard:hover {
	transform: translateY(-2px);
	box-shadow: var(--sm-shadow-xl), 0 0 30px -14px var(--sm-alpha-primary-40);
}

.sm-acard__media {
	flex: none;
	width: 110px;
	border-radius: var(--sm-radius-lg);
	overflow: hidden;
	background-color: var(--sm-color-surface-sunken);
}

.sm-acard__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	border-radius: 0;
	transition: transform var(--sm-duration-slower) var(--sm-ease-out);
}

.sm-acard:hover .sm-acard__media img {
	transform: scale(1.06);
}

.sm-acard__body {
	display: flex;
	flex-direction: column;
	gap: var(--sm-space-2);
	min-width: 0;
	flex: 1 1 auto;
	justify-content: center;
}

.sm-acard__cat {
	font-size: var(--sm-text-2xs);
	font-weight: var(--sm-weight-bold);
	letter-spacing: var(--sm-tracking-wider);
	text-transform: uppercase;
	color: var(--sm-color-primary);
}

.sm-acard__title {
	font-size: var(--sm-text-h5);
	font-weight: var(--sm-weight-semibold);
	line-height: var(--sm-leading-snug);
	letter-spacing: var(--sm-tracking-snug);
	color: var(--sm-color-text);
}

.sm-acard__link {
	color: inherit;
	transition: var(--sm-transition-colors);
}

.sm-acard__link::after {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: inherit;
}

.sm-acard:hover .sm-acard__link {
	color: var(--sm-color-primary);
}

.sm-acard__excerpt {
	font-size: var(--sm-text-xs);
	line-height: var(--sm-leading-normal);
	color: var(--sm-color-text-subtle);
}

.sm-acard__arrow {
	display: grid;
	place-items: center;
	flex: none;
	align-self: center;
	width: 30px;
	height: 30px;
	border-radius: var(--sm-radius-circle);
	border: var(--sm-border-width) solid var(--sm-color-border);
	color: var(--sm-color-text-subtle);
	transition: var(--sm-transition-colors), var(--sm-transition-transform);
}

.sm-acard:hover .sm-acard__arrow {
	border-color: var(--sm-color-border-brand);
	background-color: var(--sm-color-primary-subtle);
	color: var(--sm-color-primary);
	transform: translateX(3px);
}

/* ==========================================================================
   Newsletter band
   ========================================================================== */

.sm-newsblock {
	display: grid;
	gap: var(--sm-space-6);
	align-items: center;
	margin-top: var(--sm-space-12);
	padding: var(--sm-space-8);
	grid-template-columns: minmax(0, 1fr);
	background-image: var(--sm-gradient-brand-soft);
	scroll-margin-top: calc(var(--sm-header-height) + var(--sm-space-6));
}

@media (min-width: 900px) {
	.sm-newsblock {
		grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
		gap: var(--sm-space-10);
	}
}

.sm-newsblock__copy {
	display: flex;
	flex-direction: column;
	gap: var(--sm-space-2);
}

.sm-newsblock__title {
	font-size: var(--sm-text-h3);
	font-weight: var(--sm-weight-bold);
	line-height: var(--sm-leading-snug);
	letter-spacing: var(--sm-tracking-tight);
	color: var(--sm-color-text);
	text-wrap: balance;
}

.sm-newsblock__text {
	font-size: var(--sm-text-sm);
	line-height: var(--sm-leading-relaxed);
	color: var(--sm-color-text-muted);
	max-width: var(--sm-measure);
}

.sm-newsblock__form-wrap {
	display: flex;
	flex-direction: column;
	gap: var(--sm-space-3);
}

.sm-newsblock__form {
	display: flex;
	align-items: stretch;
	gap: var(--sm-space-2);
}

.sm-newsblock__form .sm-field {
	flex: 1 1 auto;
	min-width: 0;
}

.sm-newsblock__form .sm-input {
	min-height: var(--sm-control-height-lg);
	background-color: var(--sm-color-surface-sunken);
}

.sm-newsblock__form .sm-btn {
	flex: none;
	min-height: var(--sm-control-height-lg);
}

.sm-newsblock__trap {
	position: absolute;
	left: -9999px;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

/* ==========================================================================
   Closing call to action
   ========================================================================== */

.sm-cta {
	position: relative;
	isolation: isolate;
	overflow: hidden;
	padding-block: var(--sm-section-y);
	border-top: var(--sm-border-width) solid var(--sm-color-border);
	background-color: var(--sm-color-bg-alt);
	text-align: center;
}

.sm-cta__bg {
	position: absolute;
	inset: 0;
	z-index: var(--sm-z-behind);
	pointer-events: none;
}

.sm-cta__glow {
	position: absolute;
	bottom: -60%;
	left: 50%;
	width: min(70rem, 140%);
	aspect-ratio: 2 / 1;
	transform: translateX(-50%);
	background: radial-gradient(ellipse at center, var(--sm-alpha-primary-16) 0%, transparent 66%);
}

.sm-cta__grid {
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
		linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
	background-size: 60px 60px;
	mask-image: radial-gradient(80% 100% at 50% 100%, #000 0%, transparent 76%);
	-webkit-mask-image: radial-gradient(80% 100% at 50% 100%, #000 0%, transparent 76%);
}

.sm-cta__inner {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--sm-space-5);
}

.sm-cta__title {
	font-size: var(--sm-text-h1);
	font-weight: var(--sm-weight-extrabold);
	line-height: var(--sm-leading-tight);
	letter-spacing: var(--sm-tracking-tighter);
	color: var(--sm-color-text);
	text-wrap: balance;
}

.sm-cta__text {
	max-width: var(--sm-measure);
	font-size: var(--sm-text-md);
	line-height: var(--sm-leading-relaxed);
	color: var(--sm-color-text-muted);
}

.sm-cta__actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: center;
	gap: var(--sm-space-3) var(--sm-space-6);
	margin-top: var(--sm-space-2);
}

.sm-cta__link {
	display: inline-flex;
	align-items: center;
	gap: var(--sm-space-1-5);
	font-size: var(--sm-text-sm);
	font-weight: var(--sm-weight-semibold);
	color: var(--sm-color-text-secondary);
	transition: var(--sm-transition-colors);
}

.sm-cta__link:hover {
	color: var(--sm-color-primary);
}

.sm-cta__link .sm-icon {
	transition: var(--sm-transition-transform);
}

.sm-cta__link:hover .sm-icon {
	transform: translate(2px, -2px);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1023px) {
	.sm-insights__head {
		margin-bottom: var(--sm-space-8);
	}

	.sm-newsblock {
		margin-top: var(--sm-space-10);
	}
}

@media (max-width: 599px) {
	.sm-feature__body {
		padding: var(--sm-space-5);
	}

	.sm-newsblock {
		padding: var(--sm-space-5);
	}

	.sm-acard__media {
		width: 84px;
	}

	.sm-acard__excerpt,
	.sm-acard__arrow {
		display: none;
	}

	/* Search and submit stack rather than squeezing the field to nothing. */
	.sm-insights__search {
		flex-direction: column;
	}

	.sm-insights__search-submit {
		width: 100%;
	}

	.sm-newsblock__form {
		flex-direction: column;
	}

	.sm-newsblock__form .sm-btn {
		width: 100%;
	}
}