/* ===================================================================
 * #features-list — uses global design tokens from assets/css/global.css
 * Mobile-first; major breakpoints at 768 / 1024 / 1440
 * =================================================================== */

#features-list {
	/* Local-only tokens (không có global tương ứng) */
	--fl-active-grad: linear-gradient(90deg, var(--color-1st-brd), var(--color-2nd-brd));
	--fl-tab-item-min-w: 86px;
	--fl-header-offset: 52px;
	/* sticky offset — mobile fixed header .header-r11 (~52px bar) + 4px buffer */

	position: relative;
	background-color: var(--color-1st-bg);
	color: var(--color-1st-fg);
	padding: var(--var-60) 0 72px;
	font-family: var(--font-body);
	overflow: clip;
}

/* Hide legacy bg attachments */
#features-list .bg-pc,
#features-list .bg-mb {
	display: none !important;
}

/* ============================================================
 * Layout shell
 * ============================================================ */
#features-list .features-list-layout {
	position: relative;
	z-index: 1;
	max-width: var(--container-max);
	margin: 0 auto;
	padding: 0 var(--section-horizontal-padding);
	display: flex;
	flex-direction: column;
	gap: var(--section-gap);
}

/* ============================================================
 * TAB NAVIGATION — horizontal sticky bar (Mobile / Tablet)
 * ============================================================ */
#features-list .features-list-sidebar {
	position: sticky;
	top: var(--fl-header-offset);
	z-index: 10;
	background-color: var(--color-1st-bg);
	margin: 0 calc(-1 * var(--section-horizontal-padding));
	padding: var(--var-20) var(--section-horizontal-padding);
}

#features-list .features-nav {
	display: flex;
	flex-direction: row;
	column-gap: var(--var-16);
	height: auto;
	align-items: flex-start;
	padding-bottom: 0;
	overflow-x: auto;
	overflow-y: hidden;
	-webkit-overflow-scrolling: touch;
	scrollbar-width: none;
}

#features-list .features-nav::-webkit-scrollbar {
	display: none;
}

#features-list .features-nav__link {
	position: relative;
	flex: 0 0 auto;
	min-width: var(--fl-tab-item-min-w);
	padding-top: var(--var-20);
	color: var(--color-1st-fg);
	font-size: var(--fs-label-lg);
	font-weight: 500;
	line-height: 1;
	letter-spacing: 0;
	text-transform: uppercase;
	text-decoration: none;
	background: transparent;
	transition: opacity 0.2s ease;
}

#features-list .features-nav__indicator {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 2px;
	background-color: var(--color-stroke);
	transition: background 0.3s ease;
}

#features-list .features-nav__link.is-active .features-nav__indicator,
#features-list .features-nav__link[aria-current="true"] .features-nav__indicator {
	background: var(--fl-active-grad);
}

#features-list .features-nav__link:hover {
	opacity: 0.7;
}

#features-list .features-nav__link:focus-visible {
	outline: 2px solid var(--color-1st-brd);
	outline-offset: 4px;
}

/* ============================================================
 * CONTENT — vertical stack of 6 feature-groups
 * ============================================================ */
#features-list .features-list-content {
	display: flex;
	flex-direction: column;
	gap: var(--var-60);
	min-width: 0;
}

#features-list .feature-group {
	scroll-margin-top: calc(var(--var-60) + var(--fl-header-offset) + var(--var-16));
}

#features-list .feature-group__header {
	display: flex;
	flex-direction: column;
	gap: var(--var-16);
	margin-bottom: var(--var-24);
}

#features-list .feature-group__title {
	margin: 0;
	font-size: var(--fs-h4);
	font-weight: 600;
	line-height: 1.15;
	color: var(--color-1st-fg);
}

#features-list .feature-group__desc {
	margin: 0;
	font-size: 16px;
	font-weight: 400;
	line-height: 1.4;
	color: var(--color-1st-fg);
}

#features-list .feature-group__grid {
	display: grid;
	grid-template-columns: 1fr;
	row-gap: var(--var-16);
	column-gap: var(--var-16);
}

/* ============================================================
 * FEATURE CARD
 * ============================================================ */
#features-list .feature-card {
	position: relative;
	background-color: var(--color-2nd-bg);
	padding: var(--var-20);
	display: flex;
	flex-direction: column;
	gap: var(--var-16);
	border: 1px solid transparent;
	transition: border-color 0.3s ease, background-color 0.3s ease;
	height: 100%;
	min-height: 180px;
}

#features-list .feature-card:hover {
	background-color: var(--color-3rd-bg);
}

#features-list .feature-card::after {
	content: '';
	position: absolute;
	right: var(--var-20);
	bottom: var(--var-20);
	width: var(--var-20);
	height: var(--var-20);
	background-color: #949494;
	-webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M12 5l7 7-7 7'/%3E%3C/svg%3E") no-repeat center / contain;
	mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M12 5l7 7-7 7'/%3E%3C/svg%3E") no-repeat center / contain;
	opacity: 0;
	transform: translateX(-8px);
	transition: opacity 0.3s ease, transform 0.3s ease;
	pointer-events: none;
}

#features-list .feature-card:hover::after {
	opacity: 1;
	transform: translateX(0);
}

#features-list .feature-card--no-link {
	cursor: default;
}

#features-list .feature-card--no-link:hover {
	background-color: var(--color-2nd-bg);
	border-color: transparent;
}

#features-list .feature-card--no-link::after,
#features-list .feature-card--no-link:hover::after {
	display: none;
}

#features-list .feature-card__additional {
	display: flex;
	gap: var(--var-16);
	align-items: center;
	width: 100%;
}

#features-list .feature-card__icon {
	width: var(--var-32);
	height: var(--var-32);
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	margin-right: auto;
}

#features-list .feature-card__chip {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	height: var(--var-16);
	padding: 0 var(--var-4);
	background: rgba(204, 106, 249, 0.04);
	color: var(--color-2nd-brd);
	font-size: 12px;
	font-weight: 500;
	line-height: 1;
	text-transform: uppercase;
	white-space: nowrap;
}

#features-list .feature-card__icon img {
	max-width: 100%;
	max-height: 100%;
	object-fit: contain;
}

#features-list .feature-card__content {
	display: flex;
	flex-direction: column;
	gap: var(--var-4);
}

#features-list .feature-card__link {
	text-decoration: none;
	color: inherit;
}

#features-list .feature-card__link::before {
	content: '';
	position: absolute;
	inset: 0;
	z-index: 1;
}

#features-list .feature-card__desc a {
	position: relative;
	z-index: 2;
}

#features-list .feature-card__title {
	margin: 0;
	font-size: var(--fs-h6);
	font-weight: 600;
	line-height: 1.15;
	color: var(--color-1st-fg);
}

#features-list .feature-card__desc {
	font-size: 16px;
	font-weight: 400;
	line-height: 1.4;
	color: var(--color-1st-fg);
}

#features-list .feature-card__desc p {
	margin: 0;
}

#features-list .feature-card__desc p + p {
	margin-top: var(--var-4);
}

/* "Coming soon" badge (e.g. Influencer discovery) */
#features-list .feature-card__badge {
	position: absolute;
	top: var(--var-16);
	right: var(--var-16);
	padding: var(--var-4) var(--var-8);
	font-size: 10px;
	font-weight: 600;
	letter-spacing: 0.5px;
	text-transform: uppercase;
	color: var(--color-2nd-brd);
	background: rgba(204, 106, 249, 0.08);
	border-radius: var(--radius-rounded-4px);
}

/* ============================================================
 * TABLET (≥ 768px) — Figma 834px
 * Topbar tab still horizontal; grid 2 columns
 * ============================================================ */
@media (min-width: 768px) {
	#features-list {
		--fl-tab-item-min-w: 110px;
	}

	#features-list .feature-group__grid {
		grid-template-columns: repeat(2, 1fr);
		row-gap: var(--var-20);
		column-gap: var(--var-20);
	}
}

/* ============================================================
 * LAPTOP (≥ 1024px) — Figma 1336px
 * Switch to sidebar layout; typography auto-scales via global --fs-*
 * ============================================================ */
@media (min-width: 1024px) {
	#features-list {
		--fl-header-offset: 80px;
		padding: 100px 0 var(--space-section-lg);
	}

	#features-list .features-list-layout {
		flex-direction: row;
		align-items: flex-start;
		gap: var(--section-gap);
	}

	/* Vertical sticky sidebar */
	#features-list .features-list-sidebar {
		flex: 0 0 250px;
		position: sticky;
		top: calc(var(--fl-header-offset) + var(--var-20));
		background: transparent;
		margin: 0;
		padding: 0;
		align-self: flex-start;
	}

	#features-list .features-nav {
		flex-direction: column;
		row-gap: var(--var-20);
		column-gap: 0;
		height: auto;
		overflow: visible;
		align-items: stretch;
		padding-bottom: 0;
	}

	#features-list .features-nav__link {
		min-width: 0;
		width: 100%;
		display: block;
		min-height: 38px;
		box-sizing: border-box;
	}

	#features-list .features-list-content {
		flex: 1 1 auto;
		min-width: 0;
		gap: var(--var-80);
	}

	#features-list .feature-group__header {
		margin-bottom: var(--var-36);
	}

	#features-list .feature-card {
		gap: var(--var-20);
	}

	#features-list .feature-group {
		scroll-margin-top: calc(var(--fl-header-offset) + var(--var-24));
	}
}

/* ============================================================
 * DESKTOP (≥ 1440px) — Figma 1920px
 * Content fits with auto-centering, no horizontal padding
 * ============================================================ */
@media (min-width: 1440px) {
	#features-list .features-list-layout {
		padding: 0;
	}

	#features-list .feature-group__grid {
		grid-template-columns: repeat(3, 1fr);
	}
}