/* ============================================
   COMPONENT: Free AI Tools
   Tool cards, grid, category groups, filter bar.
   ============================================ */

/* ── Tool card grid ── */
.tools-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 1.25rem;
	margin-top: 2rem;
}

/* ── Tool card ── */
.tool-card {
	background: var(--white);
	border: 1px solid var(--gray-200);
	padding: 1.25rem;
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
	transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.tool-card:hover {
	border-color: var(--gray-300);
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

/* Top row: category + status */
.tool-card__top {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.5rem;
	flex-wrap: wrap;
}

.tool-card__category {
	font-family: var(--font-display);
	font-size: 0.65rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--white);
	background: var(--gray-900);
	padding: 0.2em 0.5em;
	display: inline-block;
}

/* Title */
.tool-card__title {
	font-family: var(--font-display);
	font-size: 1rem;
	font-weight: 700;
	color: var(--gray-900);
	margin: 0;
	line-height: 1.3;
}

/* Use case */
.tool-card__use-case {
	font-size: 0.85rem;
	color: var(--gray-500);
	margin: 0;
	line-height: 1.5;
}

/* Features list */
.tool-card__features {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 0.3rem;
	flex: 1;
}

.tool-card__features li {
	font-size: 0.82rem;
	color: var(--gray-700);
	padding-left: 1em;
	position: relative;
	line-height: 1.4;
}

.tool-card__features li::before {
	content: '·';
	position: absolute;
	left: 0;
	color: var(--green-600);
	font-weight: 700;
}

.tool-card__features-more {
	font-size: 0.78rem;
	color: var(--gray-400);
	font-style: italic;
}

.tool-card__features-more::before {
	display: none;
}

/* Visit link */
.tool-card__link {
	display: inline-flex;
	align-items: center;
	gap: 0.3rem;
	margin-top: auto;
	padding-top: 0.75rem;
	border-top: 1px solid var(--gray-100);
	font-family: var(--font-display);
	font-size: 0.8rem;
	font-weight: 700;
	letter-spacing: 0.03em;
	color: var(--green-600);
	text-decoration: none;
	transition: color 0.15s ease;
}

.tool-card__link:hover {
	color: var(--green-700);
}

/* ── Front page section CTA ── */
.tools-section__cta {
	margin-top: 2rem;
}

/* ── See more reveal button ── */
.tools-reveal-wrapper {
	text-align: center;
	margin-top: 1.5rem;
}

.tools-reveal-btn {
	display: inline-flex;
	align-items: center;
	padding: 0.6rem 1.25rem;
	font-family: var(--font-display);
	font-size: 0.85rem;
	font-weight: 600;
	color: var(--gray-700);
	background: var(--white);
	border: 1px solid var(--gray-300);
	cursor: pointer;
	transition: var(--transition);
}

.tools-reveal-btn:hover {
	color: var(--gray-900);
	border-color: var(--gray-400);
	background: var(--gray-50);
}

.tools-reveal-btn.active {
	color: var(--white);
	background: var(--gray-900);
	border-color: var(--gray-900);
}

/* Hidden card on mobile */
.tool-card--hidden {
	display: none;
}

@media (max-width: 600px) {
	.tools-reveal-btn.active + .tool-card--hidden,
	.tool-card--hidden:not(.tool-card--hidden[data-tool-index="3"]) {
		display: block;
	}
}

/* ── Archive page hero ── */
.tools-archive__hero {
	padding: clamp(3rem, 6vw, 5rem) 0 2rem;
	border-bottom: 1px solid var(--gray-200);
}

.tools-archive__title {
	font-family: var(--font-display);
	font-size: clamp(1.75rem, 4vw, 2.75rem);
	font-weight: 700;
	letter-spacing: -0.02em;
	line-height: 1.15;
	color: var(--gray-900);
	margin: 0.25rem 0 0.5rem;
}

.tools-archive__desc {
	font-size: 1.05rem;
	color: var(--gray-600);
	margin: 0 0 1.5rem;
	max-width: 560px;
}

/* ── Category filter bar ── */
.tools-filter {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.tools-filter__btn {
	display: inline-flex;
	align-items: center;
	padding: 0.4rem 0.75rem;
	font-family: var(--font-display);
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--gray-600);
	background: var(--white);
	border: 1px solid var(--gray-300);
	text-decoration: none;
	transition: var(--transition);
}

.tools-filter__btn:hover {
	color: var(--gray-900);
	border-color: var(--gray-400);
	background: var(--gray-50);
}

.tools-filter__btn--active {
	color: var(--white);
	background: var(--gray-900);
	border-color: var(--gray-900);
}

/* ── Archive body ── */
.tools-archive__body {
	padding-top: 3rem;
	padding-bottom: 4rem;
}

/* ── Back to Homepage link ── */
.tools-archive__footer {
	text-align: center;
	padding: 2rem 0 3rem;
}

.tools-archive__back-home {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.75rem 1.5rem;
	font-family: var(--font-display);
	font-size: 0.9rem;
	font-weight: 600;
	color: var(--gray-700);
	background: var(--gray-100);
	border: 1px solid var(--gray-300);
	border-radius: 0.5rem;
	text-decoration: none;
	transition: all 0.2s ease;
}

.tools-archive__back-home:hover,
.tools-archive__back-home:focus-visible {
	color: var(--white);
	background: var(--gray-900);
	border-color: var(--gray-900);
	outline: 2px solid var(--gray-900);
	outline-offset: 2px;
}

/* ── Category group ── */
.tools-group {
	margin-bottom: 3.5rem;
}

.tools-group:last-child {
	margin-bottom: 0;
}

.tools-group__header {
	display: flex;
	align-items: baseline;
	gap: 0.75rem;
	margin-bottom: 0;
	padding-bottom: 0.75rem;
	border-bottom: 2px solid var(--gray-900);
}

.tools-group__title {
	font-family: var(--font-display);
	font-size: 1.1rem;
	font-weight: 700;
	color: var(--gray-900);
	margin: 0;
}

.tools-group__count {
	font-family: var(--font-display);
	font-size: 0.72rem;
	font-weight: 600;
	letter-spacing: 0.05em;
	text-transform: uppercase;
	color: var(--green-600);
}

/* ── Tablet ── */
@media (max-width: 900px) {
	.tools-grid {
		grid-template-columns: repeat( 2, 1fr );
	}
}

/* ── Mobile ── */
@media (max-width: 600px) {
	.tools-grid {
		grid-template-columns: repeat( 2, 1fr );
		gap: 0.5rem;
	}

	.tool-card {
		padding: 0.5rem 0.4rem;
		gap: 0.3rem;
	}

	.tool-card__category {
		font-size: 0.45rem;
	}

	.tool-card__title {
		font-size: 0.6rem;
		line-height: 1.2;
	}

	.tool-card__use-case {
		font-size: 0.55rem;
		line-height: 1.3;
	}

	.tool-card__features {
		gap: 0.2rem;
	}

	.tool-card__features li {
		font-size: 0.55rem;
		line-height: 1.3;
	}

	.tool-card__link {
		font-size: 0.55rem;
		padding-top: 0.4rem;
	}

	.tools-filter {
		flex-wrap: nowrap;
		overflow-x: auto;
		-webkit-overflow-scrolling: touch;
		scrollbar-width: none;
		padding-bottom: 0.25rem;
	}

	.tools-filter::-webkit-scrollbar {
		display: none;
	}

	.tools-filter__btn {
		flex-shrink: 0;
	}
}

@media (max-width: 480px) {
	.tool-card {
		padding: 0.4rem 0.35rem;
	}

	.tool-card__title {
		font-size: 0.55rem;
	}

	.tool-card__use-case {
		font-size: 0.5rem;
	}

	.tool-card__features li {
		font-size: 0.5rem;
	}

	.tool-card__link {
		font-size: 0.5rem;
	}
}