/**
 * TechBBQ Speakers Grid — responsive card grid using featured speaker card styles.
 *
 * Card visuals match widgets/speakers.css (.techbbq-speakers__* classes).
 * Breakpoints (mobile-first): 0–767 (base), 768–1023, 1024–1439, 1440+.
 */

.techbbq-speakers-grid {
	--techbbq-speakers-grid-gap: var(--techbbq-space-1);
	--techbbq-speakers-grid-section-gap: var(--techbbq-space-5);
	--techbbq-speakers-card-radius: 12px;
	--techbbq-speakers-photo-radius: 4px;
	--techbbq-speakers-photo-aspect: 306 / 306;
	--techbbq-speakers-card-gap: 20px;
	--techbbq-speakers-card-padding: 14px 14px 20px;
	--techbbq-speakers-name-size: 16px;
	--techbbq-speakers-name-line-height: 1.2;
	--techbbq-speakers-name-letter-spacing: 0;
	--techbbq-speakers-role-size: var(--techbbq-text-paragraph-s-size);
	--techbbq-speakers-role-letter-spacing: 0;
	--techbbq-speakers-card-hover-bg: url("../../images/speakers/card-hover.svg");

	box-sizing: border-box;
	width: 100%;
	color: var(--techbbq-content-primary);
	background-color: var(--techbbq-bg-main);
}

.techbbq-speakers-grid__inner {
	display: flex;
	flex-direction: column;
	gap: var(--techbbq-speakers-grid-section-gap);
	align-items: stretch;
}

/* ── Header ─────────────────────────────────────────────────── */

.techbbq-speakers-grid__header {
	display: flex;
	justify-content: center;
	width: 100%;
}

.techbbq-speakers-grid__headline {
	display: flex;
	flex-direction: column;
	gap: var(--techbbq-section-eyebrow-title-gap);
	align-items: center;
	width: 100%;
	text-align: center;
}

.techbbq-speakers-grid__title {
	margin: 0;
}

.techbbq-speakers-grid__description {
	max-width: 660px;
	margin: 0;
	color: var(--techbbq-content-secondary);
	text-align: center;
}

.techbbq-speakers-grid__empty {
	margin: 0;
	font-family: var(--techbbq-font-family-body);
	font-size: var(--techbbq-text-paragraph-m-size);
	text-align: center;
	color: var(--techbbq-content-secondary);
}

.techbbq-speakers-grid__search {
	width: 100%;
	max-width: 458px;
	margin: 0 auto;
}

.techbbq-speakers-grid__search-icon {
	flex-shrink: 0;
}

.techbbq-speakers-grid__no-results {
	margin: 0;
	font-family: var(--techbbq-font-family-body);
	font-size: var(--techbbq-text-paragraph-m-size);
	text-align: center;
	color: var(--techbbq-content-secondary);
}

.techbbq-speakers-grid--has-search .techbbq-speakers-grid__inner {
	gap: var(--techbbq-space-4);
}

/* ── Grid ───────────────────────────────────────────────────── */

.techbbq-speakers-grid__grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: var(--techbbq-speakers-grid-gap);
	width: 100%;
}

/* ── Card (shared featured speaker card classes) ────────────── */

.techbbq-speakers-grid .techbbq-speakers__card {
	position: relative;
	box-sizing: border-box;
	display: flex;
	flex-direction: column;
	gap: var(--techbbq-speakers-card-gap);
	width: 100%;
	height: 100%;
	padding: var(--techbbq-speakers-card-padding);
	overflow: hidden;
	border-radius: var(--techbbq-speakers-card-radius);
	background: var(--techbbq-bg-surface);
	isolation: isolate;
}

.techbbq-speakers-grid a.techbbq-speakers__card {
	color: inherit;
	text-decoration: none;
	cursor: pointer;
}

.techbbq-speakers-grid .techbbq-speakers__card::before {
	content: "";
	position: absolute;
	right: 0;
	bottom: 0;
	left: 0;
	z-index: 0;
	height: 55%;
	background-color: transparent;
	background-image: var(--techbbq-speakers-card-hover-bg);
	background-repeat: no-repeat;
	background-position: center bottom;
	background-size: 100% auto;
	opacity: 0;
	transition: opacity 0.3s ease;
	pointer-events: none;
}

.techbbq-speakers-grid .techbbq-speakers__photo {
	position: relative;
	z-index: 2;
	flex-shrink: 0;
	width: 100%;
	aspect-ratio: var(--techbbq-speakers-photo-aspect);
	overflow: hidden;
	border-radius: var(--techbbq-speakers-photo-radius);
	background:
		radial-gradient(
			120% 120% at 66% 0%,
			#5a5a5a 0%,
			#373737 32%,
			#262626 52%,
			#151515 72%
		);
}

.techbbq-speakers-grid .techbbq-speakers__photo-image {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center top;
}

.techbbq-speakers-grid .techbbq-speakers__meta {
	position: relative;
	z-index: 1;
	display: flex;
	flex-direction: column;
	gap: 6px;
}

.techbbq-speakers-grid .techbbq-speakers__name {
	margin: 0;
	font-family: var(--techbbq-font-family-heading);
	font-size: var(--techbbq-speakers-name-size);
	font-weight: var(--techbbq-text-h6-weight);
	line-height: var(--techbbq-speakers-name-line-height);
	letter-spacing: var(--techbbq-speakers-name-letter-spacing);
	color: var(--techbbq-content-primary);
}

.techbbq-speakers-grid .techbbq-speakers__role {
	margin: 0;
	font-family: var(--techbbq-font-family-body);
	font-size: var(--techbbq-speakers-role-size);
	font-weight: 400;
	line-height: var(--techbbq-text-paragraph-line-height);
	letter-spacing: var(--techbbq-speakers-role-letter-spacing);
	color: var(--techbbq-content-secondary);
}

.techbbq-speakers-grid .techbbq-speakers__card:hover::before,
.techbbq-speakers-grid .techbbq-speakers__card:focus-within::before {
	opacity: 1;
}

.techbbq-speakers-grid .techbbq-speakers__card[hidden] {
	display: none;
}

/* ── Footer (scroll top) ─────────────────────────────────────── */

.techbbq-speakers-grid__footer {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	gap: var(--techbbq-space-2);
	width: 100%;
}

.techbbq-speakers-grid__footer-spacer {
	display: block;
	flex: 1 1 auto;
	min-width: 0;
}

.techbbq-speakers-grid__scroll-top {
	flex-shrink: 0;
}

/* ── Tablet (768–1023) ──────────────────────────────────────── */
@media (min-width: 768px) {
	.techbbq-speakers-grid {
		--techbbq-speakers-grid-section-gap: 72px;
		--techbbq-speakers-card-padding: 20px;
		--techbbq-speakers-card-gap: var(--techbbq-space-3);
		--techbbq-speakers-name-size: 24px;
		--techbbq-speakers-name-line-height: 1.32;
		--techbbq-speakers-name-letter-spacing: -0.01em;
		--techbbq-speakers-role-size: var(--techbbq-text-paragraph-xs-size);
		--techbbq-speakers-role-letter-spacing: 0.02em;
	}

	.techbbq-speakers-grid__grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}
}

/* ── Desktop (1024–1439) ──────────────────────────────────────── */
@media (min-width: 1024px) {
	.techbbq-speakers-grid {
		--techbbq-speakers-grid-section-gap: var(--techbbq-space-10);
	}

	.techbbq-speakers-grid__grid {
		grid-template-columns: repeat(4, minmax(0, 1fr));
	}
}

/* ── Wide screen (1440+) ──────────────────────────────────────── */
@media (min-width: 1440px) {
	.techbbq-speakers-grid__grid {
		grid-template-columns: repeat(5, minmax(0, 1fr));
	}
}