/**
 * Archive Case Study
 *
 * Theo Figma node 780:11401:
 * hero nen anh luc giac gradient cam, luoi card 3 cot (dung chung phong cach
 * voi Application Notes), section newsletter trang bo goc tren-trai.
 * Anh hero truyen qua bien --teco-cstudy-hero, shapes newsletter qua
 * --teco-cstudy-shapes (inline tren .teco-cstudy).
 */

/* =====================================================
   HERO
   ===================================================== */
.teco-cstudy__hero {
	position: relative;
	overflow: hidden;
	display: flex;
	align-items: center;
	min-height: 600px;
	background-color: #191617;
	background-image: var(--teco-cstudy-hero);
	background-position: center;
	background-repeat: no-repeat;
	background-size: cover;
	padding: 64px 0;
}

.teco-cstudy__hero-inner {
	position: relative;
	z-index: 1;
	text-align: left;
}

.teco-cstudy__hero-title {
	max-width: 800px;
	margin: 0 0 48px;
	color: #fff;
	font-size: 64px;
	font-weight: 700;
	line-height: 1.125;
	letter-spacing: -1.28px;
}

.teco-cstudy__hero-accent {
	color: var(--teco-color-orange);
}

.teco-cstudy__hero-sub {
	max-width: 628px;
	margin: 0;
	color: #fff;
	font-size: 16px;
	font-weight: 500;
	line-height: 1.5;
}

/* =====================================================
   LUOI CARD
   ===================================================== */
.teco-cstudy__posts {
	padding: var(--teco-space-3xl) 0 var(--teco-space-2xl);
}

.teco-cstudy__grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 80px 32px;
}

.teco-cstudy__card {
	display: flex;
	flex-direction: column;
	background: #fff;
	border-radius: 16px;
	overflow: hidden;
	box-shadow: 0 4px 20px rgba(29, 29, 29, 0.10);
	transition: box-shadow 220ms var(--teco-ease-out-quart),
		transform 220ms var(--teco-ease-out-quart);
}

.teco-cstudy__card:hover {
	box-shadow: 0 12px 32px rgba(29, 29, 29, 0.16);
	transform: translateY(-3px);
}

/* Thumbnail: ti le 52.5%, zoom nhe + gradient khi hover */
.teco-cstudy__card-media {
	position: relative;
	display: block;
	padding-bottom: 52.5%;
	overflow: hidden;
}

.teco-cstudy__card-media::after {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, rgba(29, 29, 29, 0) 55%, rgba(29, 29, 29, 0.35) 100%);
	opacity: 0;
	transition: opacity 260ms var(--teco-ease-out-quart);
}

.teco-cstudy__card:hover .teco-cstudy__card-media::after {
	opacity: 1;
}

.teco-cstudy__card-img {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 320ms var(--teco-ease-out-quart);
}

.teco-cstudy__card:hover .teco-cstudy__card-img {
	transform: scale(1.05);
}

.teco-cstudy__card-body {
	display: flex;
	flex-direction: column;
	flex: 1 1 auto;
	padding: var(--teco-space-md) 20px 20px;
}

/* Title navy #114466, 20px w500 */
.teco-cstudy__card-title {
	margin: 0 0 10px;
	font-size: 20px;
	font-weight: 500;
	line-height: 1.4;
}

.teco-cstudy__card-title a {
	color: #114466;
	text-decoration: none;
	transition: color 200ms var(--teco-ease-out-quart);
}

.teco-cstudy__card-title a:hover {
	color: var(--teco-color-orange);
}

.teco-cstudy__card-more {
	margin-top: auto;
	align-self: flex-start;
	color: var(--teco-color-orange);
	font-weight: 500;
	font-size: var(--teco-text-body);
	text-decoration: underline;
	transition: color 200ms var(--teco-ease-out-quart);
}

.teco-cstudy__card-more:hover {
	color: #e68a00;
}

.teco-cstudy__empty {
	margin: 0;
	color: var(--teco-color-text-muted);
}

/* Page navigation: so trang tron, trang hien tai cam */
.teco-cstudy__posts .nav-pagination {
	margin-top: var(--teco-space-2xl);
}

.teco-cstudy__posts .nav-pagination > li > .page-number {
	border-color: var(--teco-color-grey-3);
	color: var(--teco-color-text);
	transition: border-color 180ms var(--teco-ease-out-quart),
		color 180ms var(--teco-ease-out-quart),
		background-color 180ms var(--teco-ease-out-quart);
}

.teco-cstudy__posts .nav-pagination > li > a.page-number:hover {
	border-color: var(--teco-color-orange);
	color: var(--teco-color-orange);
	background: none;
}

.teco-cstudy__posts .nav-pagination > li > .page-number.current {
	background: var(--teco-color-orange);
	border-color: var(--teco-color-orange);
	color: #fff;
}

/* ===== Tablet (<= 1024px) ===== */
@media (max-width: 1024px) {
	.teco-cstudy__hero {
		padding: 96px 0;
	}

	.teco-cstudy__hero-title {
		font-size: 44px;
		letter-spacing: -0.88px;
	}

	.teco-cstudy__grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 40px 24px;
	}

}

/* ===== Mobile (<= 767px) ===== */
@media (max-width: 767px) {
	.teco-cstudy__hero {
		padding: 64px 0;
	}

	.teco-cstudy__hero-title {
		font-size: 32px;
		letter-spacing: -0.64px;
	}

	.teco-cstudy__posts {
		padding: var(--teco-space-2xl) 0 var(--teco-space-xl);
	}

	.teco-cstudy__grid {
		grid-template-columns: minmax(0, 1fr);
		gap: 30px;
	}

}