/**
 * Partners marquee. Hai group giống nhau nằm liền nhau; track dịch đúng một nửa
 * tổng chiều rộng để điểm cuối và điểm đầu của animation trùng khít.
 */

.partners {
	--partners-marquee-gap: 24px;
	--partners-card-width: 190px;
	--partners-logo-height: 105px;
	--partners-edge-fade: 72px;
	overflow: hidden;
	padding-block: 70px;
	background-color: var(--partners-bg, #ffffff);
}

.partners__inner {
	max-width: var(--container-max-width);
	margin-inline: auto;
	padding-inline: var(--container-padding);
}

.partners__title {
	margin: 0 0 16px;
	font-size: clamp(30px, calc(85 * var(--fig1px)), 85px);
	font-weight: 900;
	line-height: 1.21;
	letter-spacing: -0.02em;
	text-align: center;
}

.partners__title-first {
	color: var(--partners-title-first-color, #E31F2B);
}

.partners__title-second {
	color: var(--partners-title-second-color, #046AB5);
}

.partners__title-first:not(:last-child)::after {
	content: " ";
}

.partners__description {
	max-width: 820px;
	margin: 0 auto 86px;
	color: #464646;
	/* Đồng bộ với hệ description của toàn site (clamp 16→20px fluid). */
	font-size: clamp(16px, calc(20 * var(--fig1px)), 20px);
	line-height: 1.5;
	text-align: center;
}

.partners__viewport {
	position: relative;
	overflow: hidden;
	margin-inline: calc(-1 * var(--container-padding));
	padding-block: 8px 12px;
	-webkit-mask-image: linear-gradient(to right,
			transparent 0,
			#000 var(--partners-edge-fade),
			#000 calc(100% - var(--partners-edge-fade)),
			transparent 100%);
	mask-image: linear-gradient(to right,
			transparent 0,
			#000 var(--partners-edge-fade),
			#000 calc(100% - var(--partners-edge-fade)),
			transparent 100%);
}

/* Fallback cạnh mờ cho trình duyệt không hỗ trợ mask-image. */
@supports not ((mask-image: linear-gradient(#000, transparent)) or (-webkit-mask-image: linear-gradient(#000, transparent))) {

	.partners__viewport::before,
	.partners__viewport::after {
		content: "";
		position: absolute;
		inset-block: 0;
		z-index: 2;
		width: var(--partners-edge-fade);
		pointer-events: none;
	}

	.partners__viewport::before {
		left: 0;
		background: linear-gradient(to right, var(--partners-bg, #ffffff), transparent);
	}

	.partners__viewport::after {
		right: 0;
		background: linear-gradient(to left, var(--partners-bg, #ffffff), transparent);
	}
}

.partners__track {
	display: flex;
	width: max-content;
	will-change: transform;
	animation: tmnp-partners-scroll 32s linear infinite;
}

.partners__viewport:hover .partners__track,
.partners__viewport:focus-within .partners__track {
	animation-play-state: paused;
}

.partners__group {
	display: flex;
	flex: none;
	gap: var(--partners-marquee-gap);
	margin: 0;
	padding: 0;
	list-style: none;
}

/* Spacer cuối group tạo khoảng cách bằng các card khác tại điểm nối 6 → 1.
   Spacer nằm trong cả hai group nên translateX(-50%) vẫn khớp tuyệt đối. */
.partners__group::after {
	content: "";
	flex: 0 0 0;
	width: 0;
}

.partners__item {
	flex: 0 0 var(--partners-card-width);
	width: var(--partners-card-width);
	list-style: none;
}

.partners__link {
	display: block;
	color: inherit;
	text-decoration: none;
}

.partners__figure {
	display: grid;
	gap: 10px;
	margin: 0;
	text-align: center;
}

.partners__logo-card {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	height: var(--partners-logo-height);
	overflow: hidden;
	border: 1px solid rgba(4, 106, 181, 0.14);
	border-radius: 10px;
	background: #ffffff;
	box-shadow: 0 5px 18px rgba(15, 23, 42, 0.07);
	transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.partners__logo {
	width: auto;
	height: auto;
	max-width: 75%;
	max-height: 58px;
	object-fit: contain;
	filter: grayscale(25%);
	transition: filter 0.3s ease, transform 0.3s ease;
}

.partners__name {
	overflow: hidden;
	color: #64748B;
	font-size: 14px;
	line-height: 1.4;
	text-overflow: ellipsis;
	white-space: nowrap;
	transition: color 0.3s ease;
}

.partners__item:hover .partners__logo-card,
.partners__link:focus-visible .partners__logo-card {
	border-color: #046AB5;
	box-shadow: 0 14px 32px rgba(4, 106, 181, 0.16);
	transform: translateY(-6px);
}

.partners__item:hover .partners__logo,
.partners__link:focus-visible .partners__logo {
	filter: grayscale(0%);
	transform: scale(1.04);
}

.partners__item:hover .partners__name,
.partners__link:focus-visible .partners__name {
	color: #046AB5;
}

.partners__link:focus-visible {
	border-radius: 10px;
	outline: 2px solid #046AB5;
	outline-offset: 3px;
}

@keyframes tmnp-partners-scroll {
	from {
		transform: translateX(0);
	}

	to {
		transform: translateX(-50%);
	}
}

@media (max-width: 991px) {
	.partners {
		--partners-marquee-gap: 18px;
		--partners-edge-fade: 48px;
		padding-block: var(--partners-padding-tablet, 48px);
	}
}

@media (max-width: 767px) {
	.partners {
		--partners-marquee-gap: 14px;
		--partners-card-width: 145px;
		--partners-logo-height: 85px;
		--partners-edge-fade: 28px;
		padding-block: var(--partners-padding-mobile, 32px);
	}

	.partners__inner {
		padding-inline: max(16px, var(--container-padding));
	}

	.partners__description {
		margin-bottom: 32px;
		padding-inline: 4px;
		font-size: 14px;
		line-height: 1.6;
	}

	.partners__viewport {
		margin-inline: calc(-1 * max(16px, var(--container-padding)));
	}

	.partners__track {
		animation-duration: 24s;
	}

	.partners__logo {
		max-height: 48px;
	}
}

@media (prefers-reduced-motion: reduce) {
	.partners__viewport {
		overflow-x: auto;
		-webkit-mask-image: none;
		mask-image: none;
		scrollbar-width: thin;
	}

	.partners__track {
		animation: none;
		transform: none;
		will-change: auto;
	}

	.partners__group[aria-hidden="true"] {
		display: none;
	}
}