/**
 * Key Applications Section Styles
 * Section with background image, overlay, and glassmorphism cards
 *
 * @package Eryvium
 * @since Eryvium 1.0.0
 */

/* ============================================
   KEY APPLICATIONS SECTION
   ============================================ */

.key-applications-section {
	position: relative;
	padding: clamp(80px, 12vw, 160px) 0;
	overflow: hidden;
	min-height: 600px;
	display: flex;
	align-items: center;
}

/* Background */
.key-applications-bg {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 0;
	pointer-events: none;
}

.key-applications-bg-image {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transform: translate3d(0, 0, 0) scale(1.16);
	will-change: transform;
	backface-visibility: hidden;
}

/* Container */
.key-applications-container {
	position: relative;
	width: 100%;
	max-width: 1300px;
	margin: 0 auto;
	padding: 0 var(--container-padding);
	z-index: 1;
}

/* ============================================
   HEADER
   ============================================ */

.key-applications-header {
	display: flex;
	justify-content: space-between;
	align-items: flex-end;
	gap: 40px;
	margin-bottom: 60px;
}

.key-applications-header-left {
	flex: 1;
	max-width: 700px;
}

.key-applications-header-right {
	flex-shrink: 0;
}

.key-applications-title {
	font-family: var(--font-heading);
	font-size: var(--font-size-h2);
	font-weight: var(--font-weight-h2);
	line-height: var(--line-height-h2);
	color: var(--color-pure-white);
	margin: 0 0 24px 0;
}

.key-applications-description {
	font-family: var(--font-body);
	font-size: 16px;
	font-weight: 400;
	line-height: 24px;
	color: var(--color-pure-white);
	margin: 0;
}


/* ============================================
   CARDS
   ============================================ */

.key-applications-cards {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 24px;
	width: 100%;
}

.key-applications-card {
	position: relative;
	padding: 32px;
	background: rgba(255, 255, 255, 0.1);
	backdrop-filter: blur(20px);
	-webkit-backdrop-filter: blur(20px);
	border-radius: 20px;
	border: 1px solid rgba(255, 255, 255, 0.2);
	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
	transition: transform 0.3s ease, box-shadow 0.3s ease;
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.key-applications-card:hover {
	transform: translateY(-8px);
	box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
}

.key-applications-card__title {
	font-family: var(--font-heading);
	font-size: 20px;
	font-weight: 600;
	line-height: 1.5;
	color: #07b3f1;
	margin: 0;
	width: 100%;
}

.key-applications-card__description {
	font-family: var(--font-body);
	font-size: 16px;
	font-weight: 400;
	line-height: 1.5;
	color: rgba(255, 255, 255, 0.9);
	margin: 0;
}

/* Copper Ore page specific styles - exception with 70% width */
.copper-ore-page .key-applications-card__title {
	font-family: var(--font-heading);
	font-size: 20px;
	font-weight: 600;
	line-height: 1.5;
	color: #07b3f1;
	margin: 0;
	width: 70%;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
	.key-applications-cards {
		grid-template-columns: repeat(2, 1fr);
	}
	
	.key-applications-header {
		display: flex;
		justify-content: space-between;
		align-items: end;
		gap: 40px;
		margin-bottom: 60px;
	}
	
	.key-applications-header-right {
		/* width: 100%; */
	}
	
	.key-applications-header-right .btn {
		width: auto;
		max-width: 100%;
		align-self: flex-start;
		justify-content: space-between;
	}
}

@media (max-width: 768px) {
	.key-applications-container {
		position: relative;
		width: 100%;
		max-width: 1300px;
		margin: 0 auto;
		padding: 0;
		z-index: 1;
		max-width: var(--container-max-width);
	}
	
	.key-applications-section {
		padding: clamp(60px, 10vw, 120px) 0;
		min-height: auto;
	}
	
	.key-applications-cards {
		grid-template-columns: repeat(2, 1fr);
	}
	
	.key-applications-header {
		margin-bottom: 40px;
	}
	
	.key-applications-card {
		padding: 24px;
	}
}

@media (max-width: 456px) {
	.key-applications-header {
		display: flex;
		justify-content: space-between;
		align-items: flex-start;
		gap: 40px;
		margin-bottom: 60px;
		flex-direction: column;
	}
}

@media (max-width: 320px) {
	.key-applications-section {
		padding: 80px 16px;
		min-height: auto;
	}
	
	.key-applications-cards {
		grid-template-columns: repeat(1, 1fr);
	}
}