/*--------------------------------------------------------------
Homepage — Our White Papers (F1 series)
List cards set the height; feature image stretches to match.
--------------------------------------------------------------*/
.f1-band {
	overflow-x: hidden;
}

.f1-band .container {
	position: relative;
	z-index: 2;
	max-width: 100%;
}

.f1-head {
	margin-bottom: 48px;
}

.f1-title {
	margin: 0;
	font-family: 'Oswald', sans-serif;
	text-transform: uppercase;
	font-weight: 600;
	font-size: clamp(28px, 3vw, 40px);
	line-height: 1.06;
	letter-spacing: -0.5px;
	color: #fff;
}

.f1-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 20px;
	align-items: stretch;
	width: 100%;
	max-width: 100%;
	min-width: 0;
}

/* ---- Feature (left): fills row height from papers list ---- */
.f1-feature {
	position: relative;
	display: block;
	overflow: hidden;
	background: #111517;
	min-height: 100%;
	text-decoration: none;
	color: inherit;
}

.f1-band .f1-img {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	max-width: 100%;
	object-fit: cover;
	object-position: center;
	transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.f1-feature::after {
	content: '';
	position: absolute;
	inset: 0;
	z-index: 1;
	pointer-events: none;
	background: linear-gradient(
		120deg,
		rgba(0, 47, 58, 0.62) 0%,
		rgba(27, 42, 47, 0.28) 48%,
		rgba(72, 42, 7, 0.42) 100%
	);
}

.f1-feature:hover .f1-img {
	transform: scale(1.04);
}

.f1-feature-body {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 2;
	padding: 44px 40px;
	max-width: 34em;
	color: #fff;
}

.f1-feature-body.fade-anim-box {
	display: block;
}

.f1-tag {
	font-family: 'Oswald', sans-serif;
	text-transform: uppercase;
	font-weight: 600;
	font-size: 12px;
	letter-spacing: 2px;
	color: var(--brand-orange);
	margin: 0 0 14px;
}

.f1-h2 {
	font-family: 'Oswald', sans-serif;
	text-transform: uppercase;
	font-weight: 600;
	font-size: clamp(26px, 2.5vw, 34px);
	line-height: 1.05;
	letter-spacing: -0.5px;
	color: #fff;
	margin: 0 0 14px;
}

.f1-lead {
	font-family: 'Open Sans', sans-serif;
	font-size: 15px;
	line-height: 1.55;
	color: rgba(255, 255, 255, 0.86);
	margin: 0 0 22px;
}

.f1-hub {
	font-family: 'Oswald', sans-serif;
	text-transform: uppercase;
	font-weight: 600;
	font-size: 12px;
	letter-spacing: 1.6px;
	color: #fff;
	display: inline-flex;
	align-items: center;
	gap: 10px;
}

.f1-hub::after {
	content: '\2192';
	transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.f1-feature:hover .f1-hub::after {
	transform: translateX(6px);
}

/* ---- Papers list (right): defines overall block height ---- */
.f1-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 20px;
	width: 100%;
	max-width: 100%;
	min-width: 0;
}

.f1-list > li,
.f1-list > li.fade-anim-box {
	display: block;
	max-width: 100%;
	min-width: 0;
}

.f1-paper {
	display: flex;
	align-items: center;
	gap: 28px;
	width: 100%;
	max-width: 100%;
	min-width: 0;
	box-sizing: border-box;
	padding: 36px 40px;
	background: #fff;
	text-decoration: none;
	color: inherit;
	transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s;
}

.f1-paper:hover {
	transform: translateX(4px);
	box-shadow: 0 20px 40px -30px rgba(0, 0, 0, 0.5);
}

.f1-paper-n {
	flex: 0 0 auto;
	font-family: 'Oswald', sans-serif;
	font-weight: 600;
	font-size: 48px;
	letter-spacing: -1.5px;
	line-height: 1;
	color: var(--brand-orange);
}

.f1-paper-body {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	min-width: 0;
	flex: 1 1 auto;
	overflow-wrap: break-word;
	word-wrap: break-word;
}

.f1-paper-t {
	font-family: 'Oswald', sans-serif;
	text-transform: uppercase;
	font-weight: 600;
	font-size: 16px;
	letter-spacing: 0.2px;
	color: var(--ink);
	line-height: 1.2;
	margin: 0 0 8px;
	max-width: 100%;
}

.f1-paper-d {
	font-family: 'Open Sans', sans-serif;
	font-size: 14px;
	line-height: 1.45;
	color: #555;
	margin: 0 0 16px;
	max-width: 100%;
}

.f1-paper-cta {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-family: 'Oswald', sans-serif;
	text-transform: uppercase;
	font-weight: 600;
	font-size: 11px;
	letter-spacing: 1.6px;
	color: var(--brand-orange);
}

.f1-paper-cta::after {
	content: '\2192';
	transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
	display: inline-block;
}

.f1-paper:hover .f1-paper-cta::after {
	transform: translateX(6px);
}

@media only screen and (max-width: 900px) {
	.f1-grid {
		grid-template-columns: minmax(0, 1fr);
		gap: 20px;
	}

	.f1-feature {
		min-height: 320px;
		max-width: 100%;
	}

	.f1-feature-body {
		position: absolute;
		max-width: none;
	}

	.f1-paper:hover {
		transform: none;
	}
}

@media only screen and (max-width: 520px) {
	.f1-head {
		margin-bottom: 32px;
	}

	.f1-feature {
		min-height: 280px;
	}

	.f1-feature-body {
		padding: 28px 20px;
	}

	.f1-list {
		gap: 14px;
	}

	.f1-paper {
		gap: 14px;
		padding: 22px 18px;
	}

	.f1-paper-n {
		font-size: 32px;
	}

	.f1-paper-t {
		font-size: 14px;
		margin-bottom: 6px;
	}

	.f1-paper-d {
		font-size: 13px;
		margin-bottom: 12px;
	}
}