/* ==========================================================================
   [DPS MODULAR ARCHITECTURE] - Hero Banners CSS
   File: assets/css/hero-banners.css
   Mục đích: Thiết kế Grid Banner Trang Chủ: Facebook Cover (2048:780) + Square Promo (1:1)
   ========================================================================== */

/* Grid 2 cột: Cân bằng toán học để cả hai banner cao bằng nhau trên Desktop */
.ksf-bhx-banner-grid {
	display: grid;
	grid-template-columns: 2.6256fr 1fr;
	gap: 14px;
	margin-bottom: 16px;
	align-items: stretch;
	width: 100%;
	box-sizing: border-box;
}

/* Banner Slider Container */
.ksf-banner-slider {
	position: relative;
	width: 100%;
	overflow: hidden;
	border-radius: 12px;
	box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
	background: #f1f5f9;
}

/* Facebook Cover Slider: Tỉ lệ chuẩn 2048 x 780 (~2.6256 : 1) */
.ksf-cover-slider {
	aspect-ratio: 2048 / 780;
	border: 1px solid #e2e8f0;
}

/* Square Promo Slider: Tỉ lệ chuẩn 1440 x 1440 (1 : 1) */
.ksf-promo-slider {
	aspect-ratio: 1 / 1;
	border: 1px solid #e2e8f0;
}

.ksf-slider-track {
	position: relative;
	width: 100%;
	height: 100%;
}

.ksf-slide {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.6s;
	display: block;
	text-decoration: none;
	pointer-events: none;
}

.ksf-slide.is-active {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	z-index: 2;
}

.ksf-banner-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.4s ease;
}

.ksf-slide:hover .ksf-banner-img {
	transform: scale(1.02);
}

/* Indicator Dots */
.ksf-slider-dots {
	position: absolute;
	bottom: 10px;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	align-items: center;
	gap: 6px;
	z-index: 10;
	background: rgba(0, 0, 0, 0.35);
	backdrop-filter: blur(4px);
	padding: 4px 8px;
	border-radius: 12px;
}

.ksf-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.6);
	border: none;
	padding: 0;
	cursor: pointer;
	transition: all 0.25s ease;
}

.ksf-dot.is-active {
	background: #ffffff;
	width: 20px;
	border-radius: 4px;
}

/* Responsive: Tablet and Mobile */
@media (max-width: 1024px) {
	.ksf-bhx-banner-grid {
		gap: 10px;
		margin-bottom: 12px;
	}
}

@media (max-width: 768px) {
	.ksf-bhx-banner-grid {
		grid-template-columns: 1fr;
		gap: 10px;
		margin-bottom: 10px;
	}

	.ksf-cover-slider {
		border-radius: 8px;
		width: 100%;
	}

	.ksf-promo-slider {
		border-radius: 8px;
		width: 100%;
	}

	.ksf-slider-dots {
		bottom: 6px;
		padding: 3px 6px;
	}

	.ksf-dot {
		width: 6px;
		height: 6px;
	}

	.ksf-dot.is-active {
		width: 16px;
	}
}